59 files changed, 4118 insertions, 1706 deletions

diff --git a/Makefile.am b/Makefile.am
index 2f06879..e426f74 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -69,6 +69,8 @@ odr_dabmux_SOURCES  =src/DabMux.cpp \
 					 src/input/File.h \
 					 src/input/Udp.cpp \
 					 src/input/Udp.h \
+					 src/input/Edi.cpp \
+					 src/input/Edi.h \
 					 src/dabOutput/dabOutput.h \
 					 src/dabOutput/dabOutputFile.cpp \
 					 src/dabOutput/dabOutputFifo.cpp \
@@ -79,47 +81,17 @@ odr_dabmux_SOURCES  =src/DabMux.cpp \
 					 src/dabOutput/dabOutputZMQ.cpp \
 					 src/dabOutput/metadata.h \
 					 src/dabOutput/metadata.cpp \
-					 src/dabOutput/edi/AFPacket.cpp \
-					 src/dabOutput/edi/AFPacket.h \
-					 src/dabOutput/edi/Config.h \
-					 src/dabOutput/edi/Interleaver.cpp \
-					 src/dabOutput/edi/Interleaver.h \
-					 src/dabOutput/edi/PFT.cpp \
-					 src/dabOutput/edi/PFT.h \
-					 src/dabOutput/edi/TagItems.cpp \
-					 src/dabOutput/edi/TagItems.h \
-					 src/dabOutput/edi/TagPacket.cpp \
-					 src/dabOutput/edi/TagPacket.h \
-					 src/dabOutput/edi/Transport.cpp \
-					 src/dabOutput/edi/Transport.h \
-					 src/ClockTAI.h \
-					 src/ClockTAI.cpp \
 					 src/ConfigParser.cpp \
 					 src/ConfigParser.h \
 					 src/Eti.h \
 					 src/Eti.cpp \
-					 src/InetAddress.h \
-					 src/InetAddress.cpp \
 					 src/Interleaver.h \
 					 src/Interleaver.cpp \
-					 src/Log.h \
-					 src/Log.cpp \
 					 src/ManagementServer.h \
 					 src/ManagementServer.cpp \
 					 src/MuxElements.cpp \
 					 src/MuxElements.h \
 					 src/PcDebug.h \
-					 src/ReedSolomon.h \
-					 src/ReedSolomon.cpp \
-					 src/RemoteControl.cpp \
-					 src/RemoteControl.h \
-					 src/TcpSocket.h \
-					 src/TcpSocket.cpp \
-					 src/UdpSocket.h \
-					 src/UdpSocket.cpp \
-					 src/ThreadsafeQueue.h \
-					 src/crc.h \
-					 src/crc.c \
 					 src/fig/FIG.h \
 					 src/fig/FIG.cpp \
 					 src/fig/FIG0.h \
@@ -167,6 +139,41 @@ odr_dabmux_SOURCES  =src/DabMux.cpp \
 					 src/PrbsGenerator.h \
 					 src/utils.cpp \
 					 src/utils.h \
+					 lib/crc.h \
+					 lib/crc.c \
+					 lib/ClockTAI.h \
+					 lib/ClockTAI.cpp \
+					 lib/Log.h \
+					 lib/Log.cpp \
+					 lib/RemoteControl.cpp \
+					 lib/RemoteControl.h \
+					 lib/edi/STIDecoder.cpp \
+					 lib/edi/STIDecoder.h \
+					 lib/edi/STIWriter.cpp \
+					 lib/edi/STIWriter.h \
+					 lib/edi/PFT.cpp \
+					 lib/edi/PFT.h \
+					 lib/edi/common.cpp \
+					 lib/edi/common.h \
+					 lib/edi/buffer_unpack.hpp \
+					 lib/edioutput/AFPacket.cpp \
+					 lib/edioutput/AFPacket.h \
+					 lib/edioutput/Config.h \
+					 lib/edioutput/Interleaver.cpp \
+					 lib/edioutput/Interleaver.h \
+					 lib/edioutput/PFT.cpp \
+					 lib/edioutput/PFT.h \
+					 lib/edioutput/TagItems.cpp \
+					 lib/edioutput/TagItems.h \
+					 lib/edioutput/TagPacket.cpp \
+					 lib/edioutput/TagPacket.h \
+					 lib/edioutput/Transport.cpp \
+					 lib/edioutput/Transport.h \
+					 lib/ReedSolomon.h \
+					 lib/ReedSolomon.cpp \
+					 lib/Socket.h \
+					 lib/Socket.cpp \
+					 lib/ThreadsafeQueue.h \
 					 lib/zmq.hpp \
 					 $(lib_fec_sources) \
 					 $(lib_charset_sources)
@@ -178,8 +185,8 @@ zmqinput_keygen_CFLAGS   = -Wall $(GITVERSION_FLAGS) $(ZMQ_CPPFLAGS)
 odr_zmq2farsync_SOURCES  = src/zmq2farsync/zmq2farsync.cpp \
 						   src/dabOutput/dabOutput.h \
 						   src/dabOutput/dabOutputRaw.cpp \
-						   src/Log.h \
-						   src/Log.cpp \
+						   lib/Log.h \
+						   lib/Log.cpp \
 						   lib/zmq.hpp
 
 odr_zmq2farsync_LDADD    = $(ZMQ_LIBS)
@@ -192,31 +199,28 @@ odr_zmq2edi_SOURCES  = src/zmq2edi/zmq2edi.cpp \
 					   src/dabOutput/dabOutput.h \
 					   src/dabOutput/metadata.h \
 					   src/dabOutput/metadata.cpp \
-					   src/dabOutput/edi/AFPacket.cpp \
-					   src/dabOutput/edi/AFPacket.h \
-					   src/dabOutput/edi/Config.h \
-					   src/dabOutput/edi/Interleaver.cpp \
-					   src/dabOutput/edi/Interleaver.h \
-					   src/dabOutput/edi/PFT.cpp \
-					   src/dabOutput/edi/PFT.h \
-					   src/dabOutput/edi/TagItems.cpp \
-					   src/dabOutput/edi/TagItems.h \
-					   src/dabOutput/edi/TagPacket.cpp \
-					   src/dabOutput/edi/TagPacket.h \
-					   src/dabOutput/edi/Transport.cpp \
-					   src/dabOutput/edi/Transport.h \
-					   src/InetAddress.h \
-					   src/InetAddress.cpp \
-					   src/TcpSocket.h \
-					   src/TcpSocket.cpp \
-					   src/UdpSocket.h \
-					   src/UdpSocket.cpp \
-					   src/ReedSolomon.h \
-					   src/ReedSolomon.cpp \
-					   src/Log.h \
-					   src/Log.cpp \
-					   src/crc.h \
-					   src/crc.c \
+					   lib/edioutput/AFPacket.cpp \
+					   lib/edioutput/AFPacket.h \
+					   lib/edioutput/Config.h \
+					   lib/edioutput/Interleaver.cpp \
+					   lib/edioutput/Interleaver.h \
+					   lib/edioutput/PFT.cpp \
+					   lib/edioutput/PFT.h \
+					   lib/edioutput/TagItems.cpp \
+					   lib/edioutput/TagItems.h \
+					   lib/edioutput/TagPacket.cpp \
+					   lib/edioutput/TagPacket.h \
+					   lib/edioutput/Transport.cpp \
+					   lib/edioutput/Transport.h \
+					   lib/Log.h \
+					   lib/Log.cpp \
+					   lib/crc.h \
+					   lib/crc.c \
+					   lib/ReedSolomon.h \
+					   lib/ReedSolomon.cpp \
+					   lib/Socket.h \
+					   lib/Socket.cpp \
+					   lib/ThreadsafeQueue.h \
 					   lib/zmq.hpp \
 					   $(lib_fec_sources)
 
diff --git a/configure.ac b/configure.ac
index 50623a2..196780c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -40,7 +40,6 @@ AX_CXX_COMPILE_STDCXX_11(noext,mandatory)
 AX_PTHREAD([], AC_MSG_ERROR([requires pthread]))
 AX_BOOST_BASE([1.48.0], [], AC_MSG_ERROR([BOOST 1.48 or later is required]))
 AX_BOOST_SYSTEM
-AX_BOOST_ASIO
 
 # Checks for header files.
 AC_HEADER_STDC
@@ -128,7 +127,7 @@ AX_ZMQ([4.0.0], [], AC_MSG_ERROR(ZeroMQ 4.0.0 is required))
 
 AC_DEFINE([HAVE_INPUT_ZEROMQ], [1], [Define if ZeroMQ input is enabled])
 AC_DEFINE([HAVE_OUTPUT_ZEROMQ], [1], [Define if ZeroMQ output is enabled])
-AC_DEFINE([HAVE_RC_ZEROMQ], [1], [Define if ZeroMQ enabled for rc])
+AC_DEFINE([HAVE_ZEROMQ], [1], [Define if ZeroMQ enabled for rc])
 
 # Do not build odr-zmq2farsync if no RAW output
 AM_CONDITIONAL([HAVE_OUTPUT_RAW_TEST],
diff --git a/doc/advanced.mux b/doc/advanced.mux
index fb67b82..b9cec05 100644
--- a/doc/advanced.mux
+++ b/doc/advanced.mux
@@ -163,7 +163,8 @@ subchannels {
     sub-fu {
         type audio
         ; example file input
-        inputfile "funk.mp2"
+        inputproto zmq
+        inputuri "funk.mp2"
         nonblock false
         bitrate 128
         id 10
@@ -188,7 +189,8 @@ subchannels {
         ; Receive STI-D(LI) carried in STI(PI, X) inside RTP using UDP.
         ; This is intended to be compatible with AVT audio encoders.
         ; EXPERIMENTAL!
-        inputfile "sti-rtp://127.0.0.1:32010"
+        inputproto sti
+        inputuri "rtp://127.0.0.1:32010"
         bitrate 96
         id 3
         protection 3
@@ -196,11 +198,12 @@ subchannels {
     sub-ri {
         type dabplus
         ; example file input
-        ;inputfile "rick.dabp"
+        ;inputuri "rick.dabp"
         ; example zmq input:
         ; Accepts connections to port 9000 from any interface.
         ; Use ODR-AudioEnc as encoder
-        inputfile "tcp://*:9000"
+        inputproto zmq
+        inputuri "tcp://*:9000"
         bitrate 96
         id 1
         protection 1
@@ -256,7 +259,8 @@ subchannels {
         ; for audio types, you can use the ZeroMQ input (if compiled in)
         ; with the following configuration in combination with
         ; Toolame-DAB
-        inputfile "tcp://*:9001"
+        inputproto zmq
+        inputuri "tcp://*:9001"
         bitrate 96
         id 1
         protection 1
@@ -273,7 +277,8 @@ subchannels {
        type data
 
        ; Use the default PRBS polynomial.
-       inputfile "prbs://"
+       inputproto prbs
+       inputuri "prbs://"
 
        ; To use another polynomial, set it in the url as hexadecimal
        ; The default polynomial is G(x) = x^20 + x^17 + 1, represented as
diff --git a/doc/example.mux b/doc/example.mux
index 6c2bc18..31e072d 100644
--- a/doc/example.mux
+++ b/doc/example.mux
@@ -171,7 +171,8 @@ subchannels {
         type dabplus
         ; Accepts connections to port 9000 from any interface.
         ; Use ODR-AudioEnc as encoder
-        inputfile "tcp://*:9000"
+        inputproto zmq
+        inputuri "tcp://*:9000"
         bitrate 96
         id 1
         protection 3
diff --git a/src/ClockTAI.cpp b/lib/ClockTAI.cpp
index c376c07..2656345 100644
--- a/src/ClockTAI.cpp
+++ b/lib/ClockTAI.cpp
@@ -9,27 +9,27 @@
     http://www.opendigitalradio.org
    */
 /*
-   This file is part of ODR-DabMux.
+   This file is part of the ODR-mmbTools.
 
-   ODR-DabMux is free software: you can redistribute it and/or modify
+   This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as
    published by the Free Software Foundation, either version 3 of the
    License, or (at your option) any later version.
 
-   ODR-DabMux is distributed in the hope that it will be useful,
+   This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with ODR-DabMux.  If not, see <http://www.gnu.org/licenses/>.
-*/
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
 
 /* This file downloads the TAI-UTC bulletins from the from IETF and parses them
  * so that correct time can be communicated in EDI timestamps.
  *
  * This file contains self-test code that can be executed by running
- *  g++ -g -Wall -DTEST -DHAVE_CURL -std=c++11 -lcurl -pthread \
+ *  g++ -g -Wall -DTAI_TEST -DHAVE_CURL -std=c++11 -lcurl -pthread \
  *  ClockTAI.cpp Log.cpp RemoteControl.cpp -lboost_system -o taitest && ./taitest
  */
 
@@ -40,9 +40,9 @@
 #include "ClockTAI.h"
 #include "Log.h"
 
-#include <time.h>
-#include <stdio.h>
-#include <errno.h>
+#include <ctime>
+#include <cstdio>
+#include <cerrno>
 #if SUPPORT_SETTING_CLOCK_TAI
 #  include <sys/timex.h>
 #endif
@@ -54,10 +54,13 @@
 #include <iostream>
 #include <algorithm>
 #include <regex>
+#include <unistd.h>
+#include <sys/stat.h>
+#include <fcntl.h>
 
 using namespace std;
 
-#ifdef TEST
+#ifdef DOWNLOADED_IN_THE_PAST_TEST
 static bool wait_longer = true;
 #endif
 
@@ -76,7 +79,7 @@ static array<const char*, 2> default_tai_urls = {
 
 // According to the Filesystem Hierarchy Standard, the data in
 // /var/tmp "must not be deleted when the system is booted."
-static const char *tai_cache_location = "/var/tmp/odr-dabmux-leap-seconds.cache";
+static const char *tai_cache_location = "/var/tmp/odr-leap-seconds.cache";
 
 // read TAI offset from a valid bulletin in IETF format
 static int parse_ietf_bulletin(const std::string& bulletin)
@@ -127,7 +130,7 @@ static int parse_ietf_bulletin(const std::string& bulletin)
                 tai_utc_offset = offset;
                 tai_utc_offset_valid = true;
             }
-#if TEST
+#if TAI_TEST
             else {
                 cerr << "IETF Ignoring offset " << bulletin_offset <<
                     " at TS " << bulletin_ntp_timestamp <<
@@ -183,7 +186,7 @@ static bulletin_state parse_bulletin(const string& bulletin)
             const int64_t expiry_unix =
                 std::atoll(expiry_data_str.c_str()) - ntp_unix_offset;
 
-#ifdef TEST
+#ifdef TAI_TEST
             etiLog.level(info) << "Bulletin expires in " << expiry_unix - now;
 #endif
             ret.expiry = expiry_unix - now;
@@ -246,17 +249,46 @@ static string download_tai_utc_bulletin(const char* url)
 
 static string load_bulletin_from_file(const char* cache_filename)
 {
-    // Clear the bulletin
-    ifstream f(cache_filename);
-    if (not f.good()) {
-        return {};
+    int fd = open(cache_filename, O_RDWR); // lockf requires O_RDWR
+    if (fd == -1) {
+        etiLog.level(error) << "TAI-UTC bulletin open cache for reading: " <<
+            strerror(errno);
+        return "";
     }
 
-    stringstream ss;
-    ss << f.rdbuf();
-    f.close();
+    lseek(fd, 0, SEEK_SET);
+
+    vector<char> buf(1024);
+    vector<char> new_bulletin_data;
+
+    ssize_t ret = lockf(fd, F_LOCK, 0);
+    if (ret == 0) {
+        // exclusive lock acquired
+
+        do {
+            ret = read(fd, buf.data(), buf.size());
+
+            if (ret == -1) {
+                close(fd);
+                etiLog.level(error) << "TAI-UTC bulletin read cache: " <<
+                        strerror(errno);
+                return "";
+            }
+
+            copy(buf.data(), buf.data() + ret, back_inserter(new_bulletin_data));
+        } while (ret > 0);
+
+        close(fd);
 
-    return ss.str();
+        return string{new_bulletin_data.data(), new_bulletin_data.size()};
+    }
+    else {
+        etiLog.level(error) <<
+            "TAI-UTC bulletin acquire cache lock for reading: " <<
+            strerror(errno);
+        close(fd);
+    }
+    return "";
 }
 
 ClockTAI::ClockTAI(const std::vector<std::string>& bulletin_urls) :
@@ -289,7 +321,7 @@ int ClockTAI::get_valid_offset()
 
     const auto state = parse_bulletin(m_bulletin);
     if (state.usable()) {
-#if TEST
+#if TAI_TEST
         etiLog.level(info) << "Bulletin already valid";
 #endif
         offset = state.offset;
@@ -297,20 +329,25 @@ int ClockTAI::get_valid_offset()
     }
     else {
         const auto cache_bulletin = load_bulletin_from_file(tai_cache_location);
+#if TAI_TEST
+        etiLog.level(info) << "Loaded cache bulletin with " <<
+            std::count_if(cache_bulletin.cbegin(), cache_bulletin.cend(),
+                    [](const char c){ return c == '\n'; }) << " lines";
+#endif
         const auto cache_state = parse_bulletin(cache_bulletin);
 
         if (cache_state.usable()) {
             m_bulletin = cache_bulletin;
             offset = cache_state.offset;
             offset_valid = true;
-#if TEST
+#if TAI_TEST
             etiLog.level(info) << "Bulletin from cache valid with offset=" << offset;
 #endif
         }
         else {
             for (const auto url : m_bulletin_urls) {
                 try {
-#if TEST
+#if TAI_TEST
                     etiLog.level(info) << "Load bulletin from " << url;
 #endif
                     const auto new_bulletin = download_tai_utc_bulletin(url.c_str());
@@ -368,7 +405,7 @@ int ClockTAI::get_offset()
     std::unique_lock<std::mutex> lock(m_data_mutex);
 
     if (not m_offset_valid) {
-#ifdef TEST
+#ifdef DOWNLOADED_IN_THE_PAST_TEST
         // Assume we've downloaded it in the past:
 
         m_offset = 37; // Valid in early 2017
@@ -418,7 +455,7 @@ int ClockTAI::get_offset()
 
                         m_bulletin_download_time += hours(download_retry_interval_hours);
                     }
-#ifdef TEST
+#ifdef DOWNLOADED_IN_THE_PAST_TEST
                     wait_longer = false;
 #endif
                     break;
@@ -426,14 +463,14 @@ int ClockTAI::get_offset()
                 case future_status::deferred:
                 case future_status::timeout:
                     // Not ready yet
-#ifdef TEST
+#ifdef TAI_TEST
                     etiLog.level(debug) << "  async not ready yet";
 #endif
                     break;
             }
         }
         else {
-#ifdef TEST
+#ifdef TAI_TEST
             etiLog.level(debug) << " Launch async";
 #endif
             m_offset_future = async(launch::async, &ClockTAI::get_valid_offset, this);
@@ -463,13 +500,45 @@ int ClockTAI::update_local_tai_clock(int offset)
 
 void ClockTAI::update_cache(const char* cache_filename)
 {
-    ofstream f(cache_filename);
-    if (not f.good()) {
-        throw runtime_error("TAI-UTC bulletin open cache for writing");
+    int fd = open(cache_filename, O_RDWR | O_CREAT, 00664);
+    if (fd == -1) {
+        etiLog.level(error) <<
+            "TAI-UTC bulletin open cache for writing: " <<
+            strerror(errno);
+        return;
     }
 
-    f << m_bulletin;
-    f.close();
+    lseek(fd, 0, SEEK_SET);
+
+    ssize_t ret = lockf(fd, F_LOCK, 0);
+    if (ret == 0) {
+        // exclusive lock acquired
+        const char *data = m_bulletin.data();
+        size_t remaining = m_bulletin.size();
+
+        while (remaining > 0) {
+            ret = write(fd, data, remaining);
+            if (ret == -1) {
+                close(fd);
+                etiLog.level(error) <<
+                    "TAI-UTC bulletin write cache: " <<
+                    strerror(errno);
+                return;
+            }
+
+            remaining -= ret;
+            data += ret;
+        }
+        etiLog.level(debug) << "TAI-UTC bulletin cache updated";
+        close(fd);
+    }
+    else {
+        close(fd);
+        etiLog.level(error) <<
+            "TAI-UTC bulletin acquire cache lock for writing: " <<
+            strerror(errno);
+        return;
+    }
 }
 
 
@@ -477,7 +546,7 @@ void ClockTAI::set_parameter(const string& parameter, const string& value)
 {
     if (parameter == "expiry") {
         throw ParameterError("Parameter '" + parameter +
-            "' is not read-only in controllable " + get_rc_name());
+            "' is read-only in controllable " + get_rc_name());
     }
     else {
         throw ParameterError("Parameter '" + parameter +
@@ -536,27 +605,3 @@ void debug_tai_clk()
 }
 #endif
 
-#if TEST
-int main(int argc, char **argv)
-{
-    using namespace std;
-
-    ClockTAI tai({});
-
-    while (wait_longer) {
-        try {
-            etiLog.level(info) <<
-                "Offset is " << tai.get_offset();
-        }
-        catch (const exception &e) {
-            etiLog.level(error) <<
-                "Exception " << e.what();
-        }
-
-        this_thread::sleep_for(chrono::seconds(2));
-    }
-
-    return 0;
-}
-#endif
-
diff --git a/src/ClockTAI.h b/lib/ClockTAI.h
index 4b3c2ff..50a6323 100644
--- a/src/ClockTAI.h
+++ b/lib/ClockTAI.h
@@ -9,21 +9,21 @@
     http://www.opendigitalradio.org
    */
 /*
-   This file is part of ODR-DabMux.
+   This file is part of the ODR-mmbTools.
 
-   ODR-DabMux is free software: you can redistribute it and/or modify
+   This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as
    published by the Free Software Foundation, either version 3 of the
    License, or (at your option) any later version.
 
-   ODR-DabMux is distributed in the hope that it will be useful,
+   This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with ODR-DabMux.  If not, see <http://www.gnu.org/licenses/>.
-*/
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
 
 /* The EDI output needs TAI clock, according to ETSI TS 102 693 Annex F
  * "EDI Timestamps". This module can set the local CLOCK_TAI clock by
@@ -34,8 +34,8 @@
 
 #pragma once
 
-#include <stdint.h>
-#include <stdlib.h>
+#include <cstdint>
+#include <cstdlib>
 #include <sstream>
 #include <chrono>
 #include <future>
diff --git a/src/Log.cpp b/lib/Log.cpp
index 6b78fe0..2417f3a 100644
--- a/src/Log.cpp
+++ b/lib/Log.cpp
@@ -9,31 +9,32 @@
     http://www.opendigitalradio.org
  */
 /*
-   This file is part of ODR-DabMux.
+   This file is part of the ODR-mmbTools.
 
-   ODR-DabMux is free software: you can redistribute it and/or modify
+   This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as
    published by the Free Software Foundation, either version 3 of the
    License, or (at your option) any later version.
 
-   ODR-DabMux is distributed in the hope that it will be useful,
+   This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with ODR-DabMux.  If not, see <http://www.gnu.org/licenses/>.
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include <list>
 #include <cstdarg>
+#include <cinttypes>
 #include <chrono>
 
 #include "Log.h"
 
 using namespace std;
 
-/* etiLog is a singleton used in all parts of ODR-DabMod to output log messages.
+/* etiLog is a singleton used in all parts of the program to output log messages.
  */
 Logger etiLog;
 
@@ -74,22 +75,40 @@ void Logger::logstr(log_level_t level, std::string&& message)
 {
     if (level == discard) {
         return;
-    }
+	}
 
-    /* Remove a potential trailing newline.
-     * It doesn't look good in syslog
-     */
-    if (message[message.length()-1] == '\n') {
-        message.resize(message.length()-1);
-    }
+    log_message_t m(level, move(message));
+    m_message_queue.push(move(m));
+}
 
-    for (auto &backend : backends) {
-        backend->log(level, message);
-    }
+void Logger::io_process()
+{
+    while (1) {
+        log_message_t m;
+        try {
+            m_message_queue.wait_and_pop(m);
+        }
+        catch (const ThreadsafeQueueWakeup&) {
+            break;
+        }
+
+        auto message = m.message;
+
+        /* Remove a potential trailing newline.
+         * It doesn't look good in syslog
+         */
+        if (message[message.length()-1] == '\n') {
+            message.resize(message.length()-1);
+        }
+
+        for (auto &backend : backends) {
+            backend->log(m.level, message);
+        }
 
-    {
-        std::lock_guard<std::mutex> guard(m_cerr_mutex);
-        std::cerr << levels_as_str[level] << " " << message << std::endl;
+        if (m.level != log_level_t::trace) {
+            std::lock_guard<std::mutex> guard(m_cerr_mutex);
+            std::cerr << levels_as_str[m.level] << " " << message << std::endl;
+        }
     }
 }
 
@@ -112,7 +131,7 @@ LogToFile::LogToFile(const std::string& filename) : name("FILE")
 
 void LogToFile::log(log_level_t level, const std::string& message)
 {
-    if (level != log_level_t::discard) {
+    if (not (level == log_level_t::trace or level == log_level_t::discard)) {
         const char* log_level_text[] = {
             "DEBUG", "INFO", "WARN", "ERROR", "ALERT", "EMERG"};
 
@@ -125,7 +144,7 @@ void LogToFile::log(log_level_t level, const std::string& message)
 
 void LogToSyslog::log(log_level_t level, const std::string& message)
 {
-    if (level != log_level_t::discard) {
+    if (not (level == log_level_t::trace or level == log_level_t::discard)) {
         int syslog_level = LOG_EMERG;
         switch (level) {
             case debug: syslog_level = LOG_DEBUG; break;
@@ -141,3 +160,35 @@ void LogToSyslog::log(log_level_t level, const std::string& message)
         syslog(syslog_level, SYSLOG_IDENT " %s", message.c_str());
     }
 }
+
+LogTracer::LogTracer(const string& trace_filename) : name("TRACE")
+{
+    etiLog.level(info) << "Setting up TRACE to " << trace_filename;
+
+    FILE* fd = fopen(trace_filename.c_str(), "a");
+    if (fd == nullptr) {
+        fprintf(stderr, "Cannot open trace file !");
+        throw std::runtime_error("Cannot open trace file !");
+    }
+    m_trace_file.reset(fd);
+
+    using namespace std::chrono;
+    auto now = steady_clock::now().time_since_epoch();
+    m_trace_micros_startup = duration_cast<microseconds>(now).count();
+
+    fprintf(m_trace_file.get(),
+            "0,TRACER,startup at %" PRIu64 "\n", m_trace_micros_startup);
+}
+
+void LogTracer::log(log_level_t level, const std::string& message)
+{
+    if (level == log_level_t::trace) {
+        using namespace std::chrono;
+        const auto now = steady_clock::now().time_since_epoch();
+        const auto micros = duration_cast<microseconds>(now).count();
+
+        fprintf(m_trace_file.get(), "%" PRIu64 ",%s\n",
+                micros - m_trace_micros_startup,
+                message.c_str());
+    }
+}
diff --git a/src/Log.h b/lib/Log.h
index 18f8c99..d5c39e0 100644
--- a/src/Log.h
+++ b/lib/Log.h
@@ -9,20 +9,20 @@
     http://www.opendigitalradio.org
  */
 /*
-   This file is part of ODR-DabMux.
+   This file is part of the ODR-mmbTools.
 
-   ODR-DabMux is free software: you can redistribute it and/or modify
+   This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as
    published by the Free Software Foundation, either version 3 of the
    License, or (at your option) any later version.
 
-   ODR-DabMux is distributed in the hope that it will be useful,
+   This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with ODR-DabMux.  If not, see <http://www.gnu.org/licenses/>.
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #pragma once
@@ -40,16 +40,19 @@
 #include <list>
 #include <stdexcept>
 #include <string>
+#include <map>
 #include <mutex>
 #include <memory>
+#include <thread>
+#include "ThreadsafeQueue.h"
 
-#define SYSLOG_IDENT "ODR-DabMux"
+#define SYSLOG_IDENT PACKAGE_NAME
 #define SYSLOG_FACILITY LOG_LOCAL0
 
-enum log_level_t {debug = 0, info, warn, error, alert, emerg, discard};
+enum log_level_t {debug = 0, info, warn, error, alert, emerg, trace, discard};
 
 static const std::string levels_as_str[] =
-    { "     ", "     ", "WARN ", "ERROR", "ALERT", "EMERG", "-----"} ;
+    { "     ", "     ", "WARN ", "ERROR", "ALERT", "EMERG", "TRACE", "-----"} ;
 
 /** Abstract class all backends must inherit from */
 class LogBackend {
@@ -97,10 +100,50 @@ class LogToFile : public LogBackend {
         const LogToFile& operator=(const LogToFile& other) = delete;
 };
 
+class LogTracer : public LogBackend {
+    public:
+        LogTracer(const std::string& filename);
+        void log(log_level_t level, const std::string& message);
+        std::string get_name() const { return name; }
+    private:
+        std::string name;
+        uint64_t m_trace_micros_startup = 0;
+
+        struct FILEDeleter{ void operator()(FILE* fd){ if(fd) fclose(fd);}};
+        std::unique_ptr<FILE, FILEDeleter> m_trace_file;
+
+        LogTracer(const LogTracer& other) = delete;
+        const LogTracer& operator=(const LogTracer& other) = delete;
+};
+
 class LogLine;
 
+struct log_message_t {
+    log_message_t(log_level_t _level, std::string&& _message) :
+        level(_level),
+        message(move(_message)) {}
+
+    log_message_t() :
+        level(debug),
+        message("") {}
+
+    log_level_t level;
+    std::string message;
+};
+
 class Logger {
     public:
+        Logger() {
+            m_io_thread = std::thread(&Logger::io_process, this);
+        }
+
+        Logger(const Logger& other) = delete;
+        const Logger& operator=(const Logger& other) = delete;
+        ~Logger() {
+            m_message_queue.trigger_wakeup();
+            m_io_thread.join();
+        }
+
         void register_backend(std::shared_ptr<LogBackend> backend);
 
         /* Log the message to all backends */
@@ -108,6 +151,9 @@ class Logger {
 
         void logstr(log_level_t level, std::string&& message);
 
+        /* All logging IO is done in another thread */
+        void io_process(void);
+
         /* Return a LogLine for the given level
          * so that you can write etiLog.level(info) << "stuff = " << 21 */
         LogLine level(log_level_t level);
@@ -115,6 +161,8 @@ class Logger {
     private:
         std::list<std::shared_ptr<LogBackend> > backends;
 
+        ThreadsafeQueue<log_message_t> m_message_queue;
+        std::thread m_io_thread;
         std::mutex m_cerr_mutex;
 };
 
@@ -154,4 +202,3 @@ class LogLine {
         Logger* logger_;
 };
 
-
diff --git a/src/ReedSolomon.cpp b/lib/ReedSolomon.cpp
index 38d8ea8..1bf0b24 100644
--- a/src/ReedSolomon.cpp
+++ b/lib/ReedSolomon.cpp
@@ -64,7 +64,9 @@ ReedSolomon::ReedSolomon(int N, int K, bool reverse, int gfpoly, int firstRoot,
 
 ReedSolomon::~ReedSolomon()
 {
-    free_rs_char(rsData);
+    if (rsData != nullptr) {
+        free_rs_char(rsData);
+    }
 }
 
 
diff --git a/src/ReedSolomon.h b/lib/ReedSolomon.h
index abcef62..abcef62 100644
--- a/src/ReedSolomon.h
+++ b/lib/ReedSolomon.h
diff --git a/src/RemoteControl.cpp b/lib/RemoteControl.cpp
index b32c21a..878af59 100644
--- a/src/RemoteControl.cpp
+++ b/lib/RemoteControl.cpp
@@ -9,31 +9,27 @@
     http://www.opendigitalradio.org
  */
 /*
-   This file is part of ODR-DabMux.
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
 
-   ODR-DabMux is free software: you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as
-   published by the Free Software Foundation, either version 3 of the
-   License, or (at your option) any later version.
-
-   ODR-DabMux is distributed in the hope that it will be useful,
+   This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with ODR-DabMux.  If not, see <http://www.gnu.org/licenses/>.
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 #include <list>
 #include <string>
 #include <iostream>
 #include <string>
-#include <boost/asio.hpp>
-#include <boost/thread.hpp>
+#include <algorithm>
 
 #include "RemoteControl.h"
 
-using boost::asio::ip::tcp;
 using namespace std;
 
 RemoteControllers rcs;
@@ -41,7 +37,6 @@ RemoteControllers rcs;
 RemoteControllerTelnet::~RemoteControllerTelnet()
 {
     m_active = false;
-    m_io_service.stop();
 
     if (m_restarter_thread.joinable()) {
         m_restarter_thread.join();
@@ -158,7 +153,6 @@ void RemoteControllers::set_param(
 void RemoteControllerTelnet::restart_thread(long)
 {
     m_active = false;
-    m_io_service.stop();
 
     if (m_child_thread.joinable()) {
         m_child_thread.join();
@@ -167,52 +161,56 @@ void RemoteControllerTelnet::restart_thread(long)
     m_child_thread = std::thread(&RemoteControllerTelnet::process, this, 0);
 }
 
-void RemoteControllerTelnet::handle_accept(
-        const boost::system::error_code& boost_error,
-        boost::shared_ptr< boost::asio::ip::tcp::socket > socket,
-        boost::asio::ip::tcp::acceptor& acceptor)
+void RemoteControllerTelnet::handle_accept(Socket::TCPSocket&& socket)
 {
-
-    const std::string welcome = "ODR-DabMux Remote Control CLI\n"
+    const std::string welcome = PACKAGE_NAME " Remote Control CLI\n"
                                 "Write 'help' for help.\n"
                                 "**********\n";
     const std::string prompt = "> ";
 
     std::string in_message;
-    size_t length;
-
-    if (boost_error) {
-        etiLog.level(error) << "RC: Error accepting connection";
-        return;
-    }
 
     try {
         etiLog.level(info) << "RC: Accepted";
 
-        boost::system::error_code ignored_error;
+        socket.sendall(welcome.data(), welcome.size());
 
-        boost::asio::write(*socket, boost::asio::buffer(welcome),
-                boost::asio::transfer_all(),
-                ignored_error);
+        while (m_active and in_message != "quit") {
+            socket.sendall(prompt.data(), prompt.size());
 
-        while (m_active && in_message != "quit") {
-            boost::asio::write(*socket, boost::asio::buffer(prompt),
-                    boost::asio::transfer_all(),
-                    ignored_error);
+            stringstream in_message_stream;
 
-            in_message = "";
-
-            boost::asio::streambuf buffer;
-            length = boost::asio::read_until(*socket, buffer, "\n", ignored_error);
+            char last_char = '\0';
+            try {
+                while (last_char != '\n') {
+                    try {
+                        auto ret = socket.recv(&last_char, 1, 0, 1000);
+                        if (ret == 1) {
+                            in_message_stream << last_char;
+                        }
+                        else {
+                            break;
+                        }
+                    }
+                    catch (const Socket::TCPSocket::Timeout&) {
+                        if (not m_active) {
+                            break;
+                        }
+                    }
+                }
+            }
+            catch (const Socket::TCPSocket::Interrupted&) {
+                in_message_stream.clear();
+            }
 
-            std::istream str(&buffer);
-            std::getline(str, in_message);
 
-            if (length == 0) {
+            if (in_message_stream.str().size() == 0) {
                 etiLog.level(info) << "RC: Connection terminated";
                 break;
             }
 
+            std::getline(in_message_stream, in_message);
+
             while (in_message.length() > 0 &&
                     (in_message[in_message.length()-1] == '\r' ||
                      in_message[in_message.length()-1] == '\n')) {
@@ -225,44 +223,35 @@ void RemoteControllerTelnet::handle_accept(
 
             etiLog.level(info) << "RC: Got message '" << in_message << "'";
 
-            dispatch_command(*socket, in_message);
+            dispatch_command(socket, in_message);
         }
         etiLog.level(info) << "RC: Closing socket";
-        socket->close();
+        socket.close();
     }
-    catch (const std::exception& e)
-    {
+    catch (const std::exception& e) {
         etiLog.level(error) << "Remote control caught exception: " << e.what();
     }
 }
 
 void RemoteControllerTelnet::process(long)
 {
-    m_active = true;
-
-    while (m_active) {
-        m_io_service.reset();
-
-        tcp::acceptor acceptor(m_io_service, tcp::endpoint(
-                    boost::asio::ip::address::from_string("127.0.0.1"), m_port) );
-
+    try {
+        m_active = true;
 
-        // Add a job to start accepting connections.
-        boost::shared_ptr<tcp::socket> socket(
-                new tcp::socket(acceptor.get_io_service()));
+        m_socket.listen(m_port, "localhost");
 
-        // Add an accept call to the service.  This will prevent io_service::run()
-        // from returning.
         etiLog.level(info) << "RC: Waiting for connection on port " << m_port;
-        acceptor.async_accept(*socket,
-                boost::bind(&RemoteControllerTelnet::handle_accept,
-                    this,
-                    boost::asio::placeholders::error,
-                    socket,
-                    boost::ref(acceptor)));
-
-        // Process event loop.
-        m_io_service.run();
+        while (m_active) {
+            auto sock = m_socket.accept(1000);
+
+            if (sock.valid()) {
+                handle_accept(move(sock));
+                etiLog.level(info) << "RC: Connection closed. Waiting for connection on port " << m_port;
+            }
+        }
+    }
+    catch (const runtime_error& e) {
+        etiLog.level(warn) << "RC: Encountered error: " << e.what();
     }
 
     etiLog.level(info) << "RC: Leaving";
@@ -281,7 +270,7 @@ static std::vector<std::string> tokenise(const std::string& message) {
 }
 
 
-void RemoteControllerTelnet::dispatch_command(tcp::socket& socket, string command)
+void RemoteControllerTelnet::dispatch_command(Socket::TCPSocket& socket, string command)
 {
     vector<string> cmd = tokenise(command);
 
@@ -386,18 +375,15 @@ void RemoteControllerTelnet::dispatch_command(tcp::socket& socket, string comman
     }
 }
 
-void RemoteControllerTelnet::reply(tcp::socket& socket, string message)
+void RemoteControllerTelnet::reply(Socket::TCPSocket& socket, string message)
 {
-    boost::system::error_code ignored_error;
     stringstream ss;
     ss << message << "\r\n";
-    boost::asio::write(socket, boost::asio::buffer(ss.str()),
-            boost::asio::transfer_all(),
-            ignored_error);
+    socket.sendall(message.data(), message.size());
 }
 
 
-#if defined(HAVE_RC_ZEROMQ)
+#if defined(HAVE_ZEROMQ)
 
 RemoteControllerZmq::~RemoteControllerZmq() {
     m_active = false;
diff --git a/src/RemoteControl.h b/lib/RemoteControl.h
index 0726b28..bd88f82 100644
--- a/src/RemoteControl.h
+++ b/lib/RemoteControl.h
@@ -8,23 +8,21 @@
 
     http://www.opendigitalradio.org
 
-   This module adds remote-control capability to some of the dabmux modules.
+   This module adds remote-control capability to some of the dabmux/dabmod modules.
  */
 /*
-   This file is part of ODR-DabMux.
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
 
-   ODR-DabMux is free software: you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as
-   published by the Free Software Foundation, either version 3 of the
-   License, or (at your option) any later version.
-
-   ODR-DabMux is distributed in the hope that it will be useful,
+   This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with ODR-DabMux.  If not, see <http://www.gnu.org/licenses/>.
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 #pragma once
@@ -33,7 +31,7 @@
 #  include "config.h"
 #endif
 
-#if defined(HAVE_RC_ZEROMQ)
+#if defined(HAVE_ZEROMQ)
 #  include "zmq.hpp"
 #endif
 
@@ -43,14 +41,11 @@
 #include <string>
 #include <atomic>
 #include <iostream>
-#include <boost/bind.hpp>
-#include <boost/asio.hpp>
-#include <boost/foreach.hpp>
-#include <boost/tokenizer.hpp>
 #include <thread>
 #include <stdexcept>
 
 #include "Log.h"
+#include "Socket.h"
 
 #define RC_ADD_PARAMETER(p, desc) {   \
   std::vector<std::string> p; \
@@ -78,7 +73,7 @@ class RemoteControllable;
 class BaseRemoteController {
     public:
         /* When this returns one, the remote controller cannot be
-         * used anymore, and must be restarted by dabmux
+         * used anymore, and must be restarted
          */
         virtual bool fault_detected() = 0;
 
@@ -163,13 +158,11 @@ class RemoteControllerTelnet : public BaseRemoteController {
     public:
         RemoteControllerTelnet()
             : m_active(false),
-            m_io_service(),
             m_fault(false),
             m_port(0) { }
 
         RemoteControllerTelnet(int port)
             : m_active(port > 0),
-            m_io_service(),
             m_fault(false),
             m_port(port)
         {
@@ -191,31 +184,24 @@ class RemoteControllerTelnet : public BaseRemoteController {
 
         void process(long);
 
-        void dispatch_command(boost::asio::ip::tcp::socket& socket,
-                std::string command);
-
-        void reply(boost::asio::ip::tcp::socket& socket, std::string message);
-
-        void handle_accept(
-                const boost::system::error_code& boost_error,
-                boost::shared_ptr< boost::asio::ip::tcp::socket > socket,
-                boost::asio::ip::tcp::acceptor& acceptor);
+        void dispatch_command(Socket::TCPSocket& socket, std::string command);
+        void reply(Socket::TCPSocket& socket, std::string message);
+        void handle_accept(Socket::TCPSocket&& socket);
 
         std::atomic<bool> m_active;
 
-        boost::asio::io_service m_io_service;
-
         /* This is set to true if a fault occurred */
         std::atomic<bool> m_fault;
         std::thread m_restarter_thread;
 
         std::thread m_child_thread;
 
+        Socket::TCPSocket m_socket;
         int m_port;
 };
 
-#if defined(HAVE_RC_ZEROMQ)
-/* Implements a Remote controller using zmq transportlayer
+#if defined(HAVE_ZEROMQ)
+/* Implements a Remote controller using ZMQ transportlayer
  * that listens on localhost
  */
 class RemoteControllerZmq : public BaseRemoteController {
diff --git a/lib/Socket.cpp b/lib/Socket.cpp
new file mode 100644
index 0000000..cd70a8e
--- /dev/null
+++ b/lib/Socket.cpp
@@ -0,0 +1,898 @@
+/*
+   Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Her Majesty the
+   Queen in Right of Canada (Communications Research Center Canada)
+
+   Copyright (C) 2019
+   Matthias P. Braendli, matthias.braendli@mpb.li
+
+    http://www.opendigitalradio.org
+   */
+/*
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+#include "Socket.h"
+
+#include <iostream>
+#include <cstdio>
+#include <cstring>
+#include <cerrno>
+#include <fcntl.h>
+#include <poll.h>
+
+namespace Socket {
+
+using namespace std;
+
+void InetAddress::resolveUdpDestination(const std::string& destination, int port)
+{
+    char service[NI_MAXSERV];
+    snprintf(service, NI_MAXSERV-1, "%d", port);
+
+    struct addrinfo hints;
+    memset(&hints, 0, sizeof(struct addrinfo));
+    hints.ai_family = AF_INET;
+    hints.ai_socktype = SOCK_DGRAM; /* Datagram socket */
+    hints.ai_flags = 0;
+    hints.ai_protocol = 0;
+
+    struct addrinfo *result, *rp;
+    int s = getaddrinfo(destination.c_str(), service, &hints, &result);
+    if (s != 0) {
+        throw runtime_error(string("getaddrinfo failed: ") + gai_strerror(s));
+    }
+
+    for (rp = result; rp != nullptr; rp = rp->ai_next) {
+        // Take the first result
+        memcpy(&addr, rp->ai_addr, rp->ai_addrlen);
+        break;
+    }
+
+    freeaddrinfo(result);
+
+    if (rp == nullptr) {
+        throw runtime_error("Could not resolve");
+    }
+}
+
+UDPPacket::UDPPacket() { }
+
+UDPPacket::UDPPacket(size_t initSize) :
+    buffer(initSize)
+{ }
+
+
+UDPSocket::UDPSocket() :
+    m_sock(INVALID_SOCKET)
+{
+    reinit(0, "");
+}
+
+UDPSocket::UDPSocket(int port) :
+    m_sock(INVALID_SOCKET)
+{
+    reinit(port, "");
+}
+
+UDPSocket::UDPSocket(int port, const std::string& name) :
+    m_sock(INVALID_SOCKET)
+{
+    reinit(port, name);
+}
+
+
+void UDPSocket::setBlocking(bool block)
+{
+    int res = fcntl(m_sock, F_SETFL, block ? 0 : O_NONBLOCK);
+    if (res == -1) {
+        throw runtime_error(string("Can't change blocking state of socket: ") + strerror(errno));
+    }
+}
+
+void UDPSocket::reinit(int port)
+{
+    return reinit(port, "");
+}
+
+void UDPSocket::reinit(int port, const std::string& name)
+{
+    if (m_sock != INVALID_SOCKET) {
+        ::close(m_sock);
+    }
+
+    if (port == 0) {
+        // No need to bind to a given port, creating the
+        // socket is enough
+        m_sock = ::socket(AF_INET, SOCK_DGRAM, 0);
+        return;
+    }
+
+    char service[NI_MAXSERV];
+    snprintf(service, NI_MAXSERV-1, "%d", port);
+
+    struct addrinfo hints;
+    memset(&hints, 0, sizeof(struct addrinfo));
+    hints.ai_family = AF_INET;
+    hints.ai_socktype = SOCK_DGRAM; /* Datagram socket */
+    hints.ai_flags = AI_PASSIVE;    /* For wildcard IP address */
+    hints.ai_protocol = 0;          /* Any protocol */
+    hints.ai_canonname = nullptr;
+    hints.ai_addr = nullptr;
+    hints.ai_next = nullptr;
+
+    struct addrinfo *result, *rp;
+    int s = getaddrinfo(name.empty() ? nullptr : name.c_str(),
+            port == 0 ? nullptr : service,
+            &hints, &result);
+    if (s != 0) {
+        throw runtime_error(string("getaddrinfo failed: ") + gai_strerror(s));
+    }
+
+    /* getaddrinfo() returns a list of address structures.
+       Try each address until we successfully bind(2).
+       If socket(2) (or bind(2)) fails, we (close the socket
+       and) try the next address. */
+    for (rp = result; rp != nullptr; rp = rp->ai_next) {
+        int sfd = ::socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol);
+        if (sfd == -1) {
+            continue;
+        }
+
+        if (::bind(sfd, rp->ai_addr, rp->ai_addrlen) == 0) {
+            m_sock = sfd;
+            break;
+        }
+
+        ::close(sfd);
+    }
+
+    freeaddrinfo(result);
+
+    if (rp == nullptr) {
+        throw runtime_error("Could not bind");
+    }
+}
+
+void UDPSocket::close()
+{
+    if (m_sock != INVALID_SOCKET) {
+        ::close(m_sock);
+    }
+
+    m_sock = INVALID_SOCKET;
+}
+
+UDPSocket::~UDPSocket()
+{
+    if (m_sock != INVALID_SOCKET) {
+        ::close(m_sock);
+    }
+}
+
+
+UDPPacket UDPSocket::receive(size_t max_size)
+{
+    UDPPacket packet(max_size);
+    socklen_t addrSize;
+    addrSize = sizeof(*packet.address.as_sockaddr());
+    ssize_t ret = recvfrom(m_sock,
+            packet.buffer.data(),
+            packet.buffer.size(),
+            0,
+            packet.address.as_sockaddr(),
+            &addrSize);
+
+    if (ret == SOCKET_ERROR) {
+        packet.buffer.resize(0);
+
+        // This suppresses the -Wlogical-op warning
+#if EAGAIN == EWOULDBLOCK
+        if (errno == EAGAIN) {
+#else
+        if (errno == EAGAIN or errno == EWOULDBLOCK) {
+#endif
+            return 0;
+        }
+        throw runtime_error(string("Can't receive data: ") + strerror(errno));
+    }
+
+    packet.buffer.resize(ret);
+    return packet;
+}
+
+void UDPSocket::send(UDPPacket& packet)
+{
+    const int ret = sendto(m_sock, packet.buffer.data(), packet.buffer.size(), 0,
+            packet.address.as_sockaddr(), sizeof(*packet.address.as_sockaddr()));
+    if (ret == SOCKET_ERROR && errno != ECONNREFUSED) {
+        throw runtime_error(string("Can't send UDP packet: ") + strerror(errno));
+    }
+}
+
+
+void UDPSocket::send(const std::vector<uint8_t>& data, InetAddress destination)
+{
+    const int ret = sendto(m_sock, data.data(), data.size(), 0,
+            destination.as_sockaddr(), sizeof(*destination.as_sockaddr()));
+    if (ret == SOCKET_ERROR && errno != ECONNREFUSED) {
+        throw runtime_error(string("Can't send UDP packet: ") + strerror(errno));
+    }
+}
+
+void UDPSocket::joinGroup(const char* groupname, const char* if_addr)
+{
+    ip_mreqn group;
+    if ((group.imr_multiaddr.s_addr = inet_addr(groupname)) == INADDR_NONE) {
+        throw runtime_error("Cannot convert multicast group name");
+    }
+    if (!IN_MULTICAST(ntohl(group.imr_multiaddr.s_addr))) {
+        throw runtime_error("Group name is not a multicast address");
+    }
+
+    if (if_addr) {
+        group.imr_address.s_addr = inet_addr(if_addr);
+    }
+    else {
+        group.imr_address.s_addr = htons(INADDR_ANY);
+    }
+    group.imr_ifindex = 0;
+    if (setsockopt(m_sock, IPPROTO_IP, IP_ADD_MEMBERSHIP, &group, sizeof(group))
+            == SOCKET_ERROR) {
+        throw runtime_error(string("Can't join multicast group") + strerror(errno));
+    }
+}
+
+void UDPSocket::setMulticastSource(const char* source_addr)
+{
+    struct in_addr addr;
+    if (inet_aton(source_addr, &addr) == 0) {
+        throw runtime_error(string("Can't parse source address") + strerror(errno));
+    }
+
+    if (setsockopt(m_sock, IPPROTO_IP, IP_MULTICAST_IF, &addr, sizeof(addr))
+            == SOCKET_ERROR) {
+        throw runtime_error(string("Can't set source address") + strerror(errno));
+    }
+}
+
+void UDPSocket::setMulticastTTL(int ttl)
+{
+    if (setsockopt(m_sock, IPPROTO_IP, IP_MULTICAST_TTL, &ttl, sizeof(ttl))
+            == SOCKET_ERROR) {
+        throw runtime_error(string("Can't set multicast ttl") + strerror(errno));
+    }
+}
+
+UDPReceiver::UDPReceiver() { }
+
+UDPReceiver::~UDPReceiver() {
+    m_stop = true;
+    m_sock.close();
+    if (m_thread.joinable()) {
+        m_thread.join();
+    }
+}
+
+void UDPReceiver::start(int port, const string& bindto, const string& mcastaddr, size_t max_packets_queued) {
+    m_port = port;
+    m_bindto = bindto;
+    m_mcastaddr = mcastaddr;
+    m_max_packets_queued = max_packets_queued;
+    m_thread = std::thread(&UDPReceiver::m_run, this);
+}
+
+std::vector<uint8_t> UDPReceiver::get_packet_buffer()
+{
+    if (m_stop) {
+        throw runtime_error("UDP Receiver not running");
+    }
+
+    UDPPacket p;
+    m_packets.wait_and_pop(p);
+
+    return p.buffer;
+}
+
+void UDPReceiver::m_run()
+{
+    // Ensure that stop is set to true in case of exception or return
+    struct SetStopOnDestruct {
+        SetStopOnDestruct(atomic<bool>& stop) : m_stop(stop) {}
+        ~SetStopOnDestruct() { m_stop = true; }
+        private: atomic<bool>& m_stop;
+    } autoSetStop(m_stop);
+
+    if (IN_MULTICAST(ntohl(inet_addr(m_mcastaddr.c_str())))) {
+        m_sock.reinit(m_port, m_mcastaddr);
+        m_sock.setMulticastSource(m_bindto.c_str());
+        m_sock.joinGroup(m_mcastaddr.c_str(), m_bindto.c_str());
+    }
+    else {
+        m_sock.reinit(m_port, m_bindto);
+    }
+
+    while (not m_stop) {
+        constexpr size_t packsize = 8192;
+        try {
+            auto packet = m_sock.receive(packsize);
+            if (packet.buffer.size() == packsize) {
+                // TODO replace fprintf
+                fprintf(stderr, "Warning, possible UDP truncation\n");
+            }
+
+            // If this blocks, the UDP socket will lose incoming packets
+            m_packets.push_wait_if_full(packet, m_max_packets_queued);
+        }
+        catch (const std::runtime_error& e) {
+            // TODO replace fprintf
+            // TODO handle intr
+            fprintf(stderr, "Socket error: %s\n", e.what());
+            m_stop = true;
+        }
+    }
+}
+
+
+TCPSocket::TCPSocket()
+{
+}
+
+TCPSocket::~TCPSocket()
+{
+    if (m_sock != -1) {
+        ::close(m_sock);
+    }
+}
+
+TCPSocket::TCPSocket(TCPSocket&& other) :
+    m_sock(other.m_sock),
+    m_remote_address(move(other.m_remote_address))
+{
+    if (other.m_sock != -1) {
+        other.m_sock = -1;
+    }
+}
+
+TCPSocket& TCPSocket::operator=(TCPSocket&& other)
+{
+    swap(m_remote_address, other.m_remote_address);
+
+    m_sock = other.m_sock;
+    if (other.m_sock != -1) {
+        other.m_sock = -1;
+    }
+
+    return *this;
+}
+
+bool TCPSocket::valid() const
+{
+    return m_sock != -1;
+}
+
+void TCPSocket::connect(const std::string& hostname, int port)
+{
+    if (m_sock != INVALID_SOCKET) {
+        throw std::logic_error("You may only connect an invalid TCPSocket");
+    }
+
+    char service[NI_MAXSERV];
+    snprintf(service, NI_MAXSERV-1, "%d", port);
+
+    /* Obtain address(es) matching host/port */
+    struct addrinfo hints;
+    memset(&hints, 0, sizeof(struct addrinfo));
+    hints.ai_family = AF_INET;
+    hints.ai_socktype = SOCK_STREAM;
+    hints.ai_flags = 0;
+    hints.ai_protocol = 0;
+
+    struct addrinfo *result, *rp;
+    int s = getaddrinfo(hostname.c_str(), service, &hints, &result);
+    if (s != 0) {
+        throw runtime_error(string("getaddrinfo failed: ") + gai_strerror(s));
+    }
+
+    /* getaddrinfo() returns a list of address structures.
+       Try each address until we successfully connect(2).
+       If socket(2) (or connect(2)) fails, we (close the socket
+       and) try the next address. */
+
+    for (rp = result; rp != nullptr; rp = rp->ai_next) {
+        int sfd = ::socket(rp->ai_family, rp->ai_socktype,
+                rp->ai_protocol);
+        if (sfd == -1)
+            continue;
+
+        int ret = ::connect(sfd, rp->ai_addr, rp->ai_addrlen);
+        if (ret != -1 or (ret == -1 and errno == EINPROGRESS)) {
+            // As the TCPClient could set the socket to nonblocking, we
+            // must handle EINPROGRESS here
+            m_sock = sfd;
+            break;
+        }
+
+        ::close(sfd);
+    }
+
+    if (m_sock != INVALID_SOCKET) {
+#if defined(HAVE_SO_NOSIGPIPE)
+        int val = 1;
+        if (setsockopt(m_sock, SOL_SOCKET, SO_NOSIGPIPE, &val, sizeof(val))
+                == SOCKET_ERROR) {
+            throw std::runtime_error("Can't set SO_NOSIGPIPE");
+        }
+#endif
+    }
+
+    freeaddrinfo(result);           /* No longer needed */
+
+    if (rp == nullptr) {
+        throw runtime_error("Could not connect");
+    }
+
+}
+
+void TCPSocket::listen(int port, const string& name)
+{
+    if (m_sock != INVALID_SOCKET) {
+        throw std::logic_error("You may only listen with an invalid TCPSocket");
+    }
+
+    char service[NI_MAXSERV];
+    snprintf(service, NI_MAXSERV-1, "%d", port);
+
+    struct addrinfo hints;
+    memset(&hints, 0, sizeof(struct addrinfo));
+    hints.ai_family = AF_INET;
+    hints.ai_socktype = SOCK_STREAM;
+    hints.ai_flags = AI_PASSIVE;    /* For wildcard IP address */
+    hints.ai_protocol = 0;
+    hints.ai_canonname = nullptr;
+    hints.ai_addr = nullptr;
+    hints.ai_next = nullptr;
+
+    struct addrinfo *result, *rp;
+    int s = getaddrinfo(name.empty() ? nullptr : name.c_str(), service, &hints, &result);
+    if (s != 0) {
+        throw runtime_error(string("getaddrinfo failed: ") + gai_strerror(s));
+    }
+
+    /* getaddrinfo() returns a list of address structures.
+       Try each address until we successfully bind(2).
+       If socket(2) (or bind(2)) fails, we (close the socket
+       and) try the next address. */
+    for (rp = result; rp != nullptr; rp = rp->ai_next) {
+        int sfd = ::socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol);
+        if (sfd == -1) {
+            continue;
+        }
+
+        if (::bind(sfd, rp->ai_addr, rp->ai_addrlen) == 0) {
+            m_sock = sfd;
+            break;
+        }
+
+        ::close(sfd);
+    }
+
+    freeaddrinfo(result);
+
+    if (m_sock != INVALID_SOCKET) {
+#if defined(HAVE_SO_NOSIGPIPE)
+        int val = 1;
+        if (setsockopt(m_sock, SOL_SOCKET, SO_NOSIGPIPE,
+                    &val, sizeof(val)) < 0) {
+            throw std::runtime_error("Can't set SO_NOSIGPIPE");
+        }
+#endif
+
+        int ret = ::listen(m_sock, 0);
+        if (ret == -1) {
+            throw std::runtime_error(string("Could not listen: ") + strerror(errno));
+        }
+    }
+
+    if (rp == nullptr) {
+        throw runtime_error("Could not bind");
+    }
+}
+
+void TCPSocket::close()
+{
+    ::close(m_sock);
+    m_sock = -1;
+}
+
+TCPSocket TCPSocket::accept(int timeout_ms)
+{
+    if (timeout_ms == 0) {
+        InetAddress remote_addr;
+        socklen_t client_len = sizeof(remote_addr.addr);
+        int sockfd = ::accept(m_sock, remote_addr.as_sockaddr(), &client_len);
+        TCPSocket s(sockfd, remote_addr);
+        return s;
+    }
+    else {
+        struct pollfd fds[1];
+        fds[0].fd = m_sock;
+        fds[0].events = POLLIN;
+
+        int retval = poll(fds, 1, timeout_ms);
+
+        if (retval == -1) {
+            std::string errstr(strerror(errno));
+            throw std::runtime_error("TCP Socket accept error: " + errstr);
+        }
+        else if (retval > 0) {
+            InetAddress remote_addr;
+            socklen_t client_len = sizeof(remote_addr.addr);
+            int sockfd = ::accept(m_sock, remote_addr.as_sockaddr(), &client_len);
+            TCPSocket s(sockfd, remote_addr);
+            return s;
+        }
+        else {
+            TCPSocket s(-1);
+            return s;
+        }
+    }
+}
+
+ssize_t TCPSocket::sendall(const void *buffer, size_t buflen)
+{
+    uint8_t *buf = (uint8_t*)buffer;
+    while (buflen > 0) {
+        /* On Linux, the MSG_NOSIGNAL flag ensures that the process
+         * would not receive a SIGPIPE and die.
+         * Other systems have SO_NOSIGPIPE set on the socket for the
+         * same effect. */
+#if defined(HAVE_MSG_NOSIGNAL)
+        const int flags = MSG_NOSIGNAL;
+#else
+        const int flags = 0;
+#endif
+        ssize_t sent = ::send(m_sock, buf, buflen, flags);
+        if (sent < 0) {
+            return -1;
+        }
+        else {
+            buf += sent;
+            buflen -= sent;
+        }
+    }
+    return buflen;
+}
+
+ssize_t TCPSocket::send(const void* data, size_t size, int timeout_ms)
+{
+    if (timeout_ms) {
+        struct pollfd fds[1];
+        fds[0].fd = m_sock;
+        fds[0].events = POLLOUT;
+
+        const int retval = poll(fds, 1, timeout_ms);
+
+        if (retval == -1) {
+            throw std::runtime_error(string("TCP Socket send error on poll(): ") + strerror(errno));
+        }
+        else if (retval == 0) {
+            // Timed out
+            return 0;
+        }
+    }
+
+    /* On Linux, the MSG_NOSIGNAL flag ensures that the process would not
+     * receive a SIGPIPE and die.
+     * Other systems have SO_NOSIGPIPE set on the socket for the same effect. */
+#if defined(HAVE_MSG_NOSIGNAL)
+    const int flags = MSG_NOSIGNAL;
+#else
+    const int flags = 0;
+#endif
+    const ssize_t ret = ::send(m_sock, (const char*)data, size, flags);
+
+    if (ret == SOCKET_ERROR) {
+            throw std::runtime_error(string("TCP Socket send error: ") + strerror(errno));
+    }
+    return ret;
+}
+
+ssize_t TCPSocket::recv(void *buffer, size_t length, int flags)
+{
+    ssize_t ret = ::recv(m_sock, buffer, length, flags);
+    if (ret == -1) {
+        std::string errstr(strerror(errno));
+        throw std::runtime_error("TCP receive error: " + errstr);
+    }
+    return ret;
+}
+
+ssize_t TCPSocket::recv(void *buffer, size_t length, int flags, int timeout_ms)
+{
+    struct pollfd fds[1];
+    fds[0].fd = m_sock;
+    fds[0].events = POLLIN;
+
+    int retval = poll(fds, 1, timeout_ms);
+
+    if (retval == -1 and errno == EINTR) {
+        throw Interrupted();
+    }
+    else if (retval == -1) {
+        std::string errstr(strerror(errno));
+        throw std::runtime_error("TCP receive with poll() error: " + errstr);
+    }
+    else if (retval > 0 and (fds[0].revents | POLLIN)) {
+        ssize_t ret = ::recv(m_sock, buffer, length, flags);
+        if (ret == -1) {
+            if (errno == ECONNREFUSED) {
+                return 0;
+            }
+            std::string errstr(strerror(errno));
+            throw std::runtime_error("TCP receive after poll() error: " + errstr);
+        }
+        return ret;
+    }
+    else {
+        throw Timeout();
+    }
+}
+
+TCPSocket::TCPSocket(int sockfd) :
+    m_sock(sockfd),
+    m_remote_address()
+{ }
+
+TCPSocket::TCPSocket(int sockfd, InetAddress remote_address) :
+    m_sock(sockfd),
+    m_remote_address(remote_address)
+{ }
+
+void TCPClient::connect(const std::string& hostname, int port)
+{
+    m_hostname = hostname;
+    m_port = port;
+    reconnect();
+}
+
+ssize_t TCPClient::recv(void *buffer, size_t length, int flags, int timeout_ms)
+{
+    try {
+        ssize_t ret = m_sock.recv(buffer, length, flags, timeout_ms);
+
+        if (ret == 0) {
+            m_sock.close();
+
+            TCPSocket newsock;
+            m_sock = std::move(newsock);
+            reconnect();
+        }
+
+        return ret;
+    }
+    catch (const TCPSocket::Interrupted&) {
+        return -1;
+    }
+    catch (const TCPSocket::Timeout&) {
+        return 0;
+    }
+
+    return 0;
+}
+
+void TCPClient::reconnect()
+{
+    int flags = fcntl(m_sock.m_sock, F_GETFL);
+    if (fcntl(m_sock.m_sock, F_SETFL, flags | O_NONBLOCK) == -1) {
+        std::string errstr(strerror(errno));
+        throw std::runtime_error("TCP: Could not set O_NONBLOCK: " + errstr);
+    }
+
+    m_sock.connect(m_hostname, m_port);
+}
+
+TCPConnection::TCPConnection(TCPSocket&& sock) :
+            queue(),
+            m_running(true),
+            m_sender_thread(),
+            m_sock(move(sock))
+{
+#if MISSING_OWN_ADDR
+    auto own_addr = m_sock.getOwnAddress();
+    auto addr = m_sock.getRemoteAddress();
+    etiLog.level(debug) << "New TCP Connection on port " <<
+        own_addr.getPort() << " from " <<
+        addr.getHostAddress() << ":" << addr.getPort();
+#endif
+    m_sender_thread = std::thread(&TCPConnection::process, this);
+}
+
+TCPConnection::~TCPConnection()
+{
+    m_running = false;
+    vector<uint8_t> termination_marker;
+    queue.push(termination_marker);
+    m_sender_thread.join();
+}
+
+void TCPConnection::process()
+{
+    while (m_running) {
+        vector<uint8_t> data;
+        queue.wait_and_pop(data);
+
+        if (data.empty()) {
+            // empty vector is the termination marker
+            m_running = false;
+            break;
+        }
+
+        try {
+            ssize_t remaining = data.size();
+            const uint8_t *buf = reinterpret_cast<const uint8_t*>(data.data());
+            const int timeout_ms = 10; // Less than one ETI frame
+
+            while (m_running and remaining > 0) {
+                const ssize_t sent = m_sock.send(buf, remaining, timeout_ms);
+                if (sent < 0 or sent > remaining) {
+                    throw std::logic_error("Invalid TCPSocket::send() return value");
+                }
+                remaining -= sent;
+                buf += sent;
+            }
+        }
+        catch (const std::runtime_error& e) {
+            m_running = false;
+        }
+    }
+
+#if MISSING_OWN_ADDR
+    auto own_addr = m_sock.getOwnAddress();
+    auto addr = m_sock.getRemoteAddress();
+    etiLog.level(debug) << "Dropping TCP Connection on port " <<
+        own_addr.getPort() << " from " <<
+        addr.getHostAddress() << ":" << addr.getPort();
+#endif
+}
+
+
+TCPDataDispatcher::TCPDataDispatcher(size_t max_queue_size) :
+    m_max_queue_size(max_queue_size)
+{
+}
+
+TCPDataDispatcher::~TCPDataDispatcher()
+{
+    m_running = false;
+    m_connections.clear();
+    m_listener_socket.close();
+    if (m_listener_thread.joinable()) {
+        m_listener_thread.join();
+    }
+}
+
+void TCPDataDispatcher::start(int port, const string& address)
+{
+    m_listener_socket.listen(port, address);
+
+    m_running = true;
+    m_listener_thread = std::thread(&TCPDataDispatcher::process, this);
+}
+
+void TCPDataDispatcher::write(const vector<uint8_t>& data)
+{
+    if (not m_running) {
+        throw runtime_error(m_exception_data);
+    }
+
+    for (auto& connection : m_connections) {
+        connection.queue.push(data);
+    }
+
+    m_connections.remove_if(
+            [&](const TCPConnection& conn){ return conn.queue.size() > m_max_queue_size; });
+}
+
+void TCPDataDispatcher::process()
+{
+    try {
+        const int timeout_ms = 1000;
+
+        while (m_running) {
+            // Add a new TCPConnection to the list, constructing it from the client socket
+            auto sock = m_listener_socket.accept(timeout_ms);
+            if (sock.valid()) {
+                m_connections.emplace(m_connections.begin(), move(sock));
+            }
+        }
+    }
+    catch (const std::runtime_error& e) {
+        m_exception_data = string("TCPDataDispatcher error: ") + e.what();
+        m_running = false;
+    }
+}
+
+TCPReceiveServer::TCPReceiveServer(size_t blocksize) :
+    m_blocksize(blocksize)
+{
+}
+
+void TCPReceiveServer::start(int listen_port, const std::string& address)
+{
+    m_listener_socket.listen(listen_port, address);
+
+    m_running = true;
+    m_listener_thread = std::thread(&TCPReceiveServer::process, this);
+}
+
+TCPReceiveServer::~TCPReceiveServer()
+{
+    m_running = false;
+    if (m_listener_thread.joinable()) {
+        m_listener_thread.join();
+    }
+}
+
+vector<uint8_t> TCPReceiveServer::receive()
+{
+    vector<uint8_t> buffer;
+    m_queue.try_pop(buffer);
+
+    // we can ignore try_pop()'s return value, because
+    // if it is unsuccessful the buffer is not touched.
+    return buffer;
+}
+
+void TCPReceiveServer::process()
+{
+    constexpr int timeout_ms = 1000;
+    constexpr int disconnect_timeout_ms = 10000;
+    constexpr int max_num_timeouts = disconnect_timeout_ms / timeout_ms;
+
+    while (m_running) {
+        auto sock = m_listener_socket.accept(timeout_ms);
+
+        int num_timeouts = 0;
+
+        while (m_running and sock.valid()) {
+            try {
+                vector<uint8_t> buf(m_blocksize);
+                ssize_t r = sock.recv(buf.data(), buf.size(), 0, timeout_ms);
+                if (r < 0) {
+                    throw logic_error("Invalid recv return value");
+                }
+                else if (r == 0) {
+                    sock.close();
+                    break;
+                }
+                else {
+                    buf.resize(r);
+                    m_queue.push(move(buf));
+                }
+            }
+            catch (const TCPSocket::Interrupted&) {
+                break;
+            }
+            catch (const TCPSocket::Timeout&) {
+                num_timeouts++;
+            }
+
+            if (num_timeouts > max_num_timeouts) {
+                sock.close();
+            }
+        }
+    }
+}
+
+}
diff --git a/lib/Socket.h b/lib/Socket.h
new file mode 100644
index 0000000..8bb7fe1
--- /dev/null
+++ b/lib/Socket.h
@@ -0,0 +1,294 @@
+/*
+   Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Her Majesty the
+   Queen in Right of Canada (Communications Research Center Canada)
+
+   Copyright (C) 2019
+   Matthias P. Braendli, matthias.braendli@mpb.li
+
+    http://www.opendigitalradio.org
+   */
+/*
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+#pragma once
+
+#ifdef HAVE_CONFIG_H
+#   include "config.h"
+#endif
+
+#include "ThreadsafeQueue.h"
+#include <cstdlib>
+#include <iostream>
+#include <vector>
+#include <atomic>
+#include <thread>
+#include <list>
+
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <unistd.h>
+#include <netdb.h>
+#include <arpa/inet.h>
+#include <pthread.h>
+#define SOCKET           int
+#define INVALID_SOCKET   -1
+#define SOCKET_ERROR     -1
+
+
+namespace Socket {
+
+struct InetAddress {
+    struct sockaddr_storage addr;
+
+    struct sockaddr *as_sockaddr() { return reinterpret_cast<sockaddr*>(&addr); };
+
+    void resolveUdpDestination(const std::string& destination, int port);
+};
+
+/** This class represents a UDP packet.
+ *
+ *  A UDP packet contains a payload (sequence of bytes) and an address. For
+ *  outgoing packets, the address is the destination address. For incoming
+ *  packets, the address tells the user from what source the packet arrived from.
+ */
+class UDPPacket
+{
+    public:
+        UDPPacket();
+        UDPPacket(size_t initSize);
+
+        std::vector<uint8_t> buffer;
+        InetAddress address;
+};
+
+/**
+ *  This class represents a socket for sending and receiving UDP packets.
+ *
+ *  A UDP socket is the sending or receiving point for a packet delivery service.
+ *  Each packet sent or received on a datagram socket is individually
+ *  addressed and routed. Multiple packets sent from one machine to another may
+ *  be routed differently, and may arrive in any order.
+ */
+class UDPSocket
+{
+    public:
+        /** Create a new socket that will not be bound to any port. To be used
+         * for data output.
+         */
+        UDPSocket();
+        /** Create a new socket.
+         *  @param port The port number on which the socket will be bound
+         */
+        UDPSocket(int port);
+        /** Create a new socket.
+         *  @param port The port number on which the socket will be bound
+         *  @param name The IP address on which the socket will be bound.
+         *              It is used to bind the socket on a specific interface if
+         *              the computer have many NICs.
+         */
+        UDPSocket(int port, const std::string& name);
+        ~UDPSocket();
+        UDPSocket(const UDPSocket& other) = delete;
+        const UDPSocket& operator=(const UDPSocket& other) = delete;
+
+        /** Close the already open socket, and create a new one. Throws a runtime_error on error.  */
+        void reinit(int port);
+        void reinit(int port, const std::string& name);
+
+        void close(void);
+        void send(UDPPacket& packet);
+        void send(const std::vector<uint8_t>& data, InetAddress destination);
+        UDPPacket receive(size_t max_size);
+        void joinGroup(const char* groupname, const char* if_addr = nullptr);
+        void setMulticastSource(const char* source_addr);
+        void setMulticastTTL(int ttl);
+
+        /** Set blocking mode. By default, the socket is blocking.
+         * throws a runtime_error on error.
+         */
+        void setBlocking(bool block);
+
+    protected:
+        SOCKET m_sock;
+};
+
+/* Threaded UDP receiver */
+class UDPReceiver {
+    public:
+        UDPReceiver();
+        ~UDPReceiver();
+        UDPReceiver(const UDPReceiver&) = delete;
+        UDPReceiver operator=(const UDPReceiver&) = delete;
+
+        // Start the receiver in a separate thread
+        void start(int port, const std::string& bindto, const std::string& mcastaddr, size_t max_packets_queued);
+
+        // Get the data contained in a UDP packet, blocks if none available
+        // In case of error, throws a runtime_error
+        std::vector<uint8_t> get_packet_buffer(void);
+
+    private:
+        void m_run(void);
+
+        int m_port = 0;
+        std::string m_bindto;
+        std::string m_mcastaddr;
+        size_t m_max_packets_queued = 1;
+        std::thread m_thread;
+        std::atomic<bool> m_stop = ATOMIC_VAR_INIT(false);
+        ThreadsafeQueue<UDPPacket> m_packets;
+        UDPSocket m_sock;
+};
+
+class TCPSocket {
+    public:
+        TCPSocket();
+        ~TCPSocket();
+        TCPSocket(const TCPSocket& other) = delete;
+        TCPSocket& operator=(const TCPSocket& other) = delete;
+        TCPSocket(TCPSocket&& other);
+        TCPSocket& operator=(TCPSocket&& other);
+
+        bool valid(void) const;
+        void connect(const std::string& hostname, int port);
+        void listen(int port, const std::string& name);
+        void close(void);
+
+        /* throws a runtime_error on failure, an invalid socket on timeout */
+        TCPSocket accept(int timeout_ms);
+
+        /* returns -1 on error, doesn't work on nonblocking sockets */
+        ssize_t sendall(const void *buffer, size_t buflen);
+
+        /** Send data over the TCP connection.
+         *  @param data The buffer that will be sent.
+         *  @param size Number of bytes to send.
+         *  @param timeout_ms number of milliseconds before timeout, or 0 for infinite timeout
+         *  return number of bytes sent, 0 on timeout, or throws runtime_error.
+         */
+        ssize_t send(const void* data, size_t size, int timeout_ms=0);
+
+        /* Returns number of bytes read, 0 on disconnect. Throws a
+         * runtime_error on error */
+        ssize_t recv(void *buffer, size_t length, int flags);
+
+        class Timeout {};
+        class Interrupted {};
+        /* Returns number of bytes read, 0 on disconnect or refused connection.
+         * Throws a Timeout on timeout, Interrupted on EINTR, a runtime_error
+         * on error
+         */
+        ssize_t recv(void *buffer, size_t length, int flags, int timeout_ms);
+
+    private:
+        explicit TCPSocket(int sockfd);
+        explicit TCPSocket(int sockfd, InetAddress remote_address);
+        SOCKET m_sock = -1;
+
+        InetAddress m_remote_address;
+
+        friend class TCPClient;
+};
+
+/* Implements a TCP receiver that auto-reconnects on errors */
+class TCPClient {
+    public:
+        void connect(const std::string& hostname, int port);
+
+        /* Returns numer of bytes read, 0 on auto-reconnect, -1
+         * on interruption.
+         * Throws a runtime_error on error */
+        ssize_t recv(void *buffer, size_t length, int flags, int timeout_ms);
+
+    private:
+        void reconnect(void);
+        TCPSocket m_sock;
+        std::string m_hostname;
+        int m_port;
+};
+
+/* Helper class for TCPDataDispatcher, contains a queue of pending data and
+ * a sender thread. */
+class TCPConnection
+{
+    public:
+        TCPConnection(TCPSocket&& sock);
+        TCPConnection(const TCPConnection&) = delete;
+        TCPConnection& operator=(const TCPConnection&) = delete;
+        ~TCPConnection();
+
+        ThreadsafeQueue<std::vector<uint8_t> > queue;
+
+    private:
+        std::atomic<bool> m_running;
+        std::thread m_sender_thread;
+        TCPSocket m_sock;
+
+        void process(void);
+};
+
+/* Send a TCP stream to several destinations, and automatically disconnect destinations
+ * whose buffer overflows.
+ */
+class TCPDataDispatcher
+{
+    public:
+        TCPDataDispatcher(size_t max_queue_size);
+        ~TCPDataDispatcher();
+        TCPDataDispatcher(const TCPDataDispatcher&) = delete;
+        TCPDataDispatcher& operator=(const TCPDataDispatcher&) = delete;
+
+        void start(int port, const std::string& address);
+        void write(const std::vector<uint8_t>& data);
+
+    private:
+        void process();
+
+        size_t m_max_queue_size;
+
+        std::atomic<bool> m_running;
+        std::string m_exception_data;
+        std::thread m_listener_thread;
+        TCPSocket m_listener_socket;
+        std::list<TCPConnection> m_connections;
+};
+
+/* A TCP Server to receive data, which abstracts the handling of connects and disconnects.
+ */
+class TCPReceiveServer {
+    public:
+        TCPReceiveServer(size_t blocksize);
+        ~TCPReceiveServer();
+        TCPReceiveServer(const TCPReceiveServer&) = delete;
+        TCPReceiveServer& operator=(const TCPReceiveServer&) = delete;
+
+        void start(int listen_port, const std::string& address);
+
+        // Return a vector that contains up to blocksize bytes of data, or
+        // and empty vector if no data is available.
+        std::vector<uint8_t> receive();
+
+    private:
+        void process();
+
+        size_t m_blocksize = 0;
+        ThreadsafeQueue<std::vector<uint8_t> > m_queue;
+        std::atomic<bool> m_running;
+        std::string m_exception_data;
+        std::thread m_listener_thread;
+        TCPSocket m_listener_socket;
+};
+
+}
diff --git a/src/ThreadsafeQueue.h b/lib/ThreadsafeQueue.h
index ab287b2..62f4c96 100644
--- a/src/ThreadsafeQueue.h
+++ b/lib/ThreadsafeQueue.h
@@ -12,20 +12,18 @@
    element out.
  */
 /*
-   This file is part of ODR-DabMux.
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
 
-   ODR-DabMux is free software: you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as
-   published by the Free Software Foundation, either version 3 of the
-   License, or (at your option) any later version.
-
-   ODR-DabMux is distributed in the hope that it will be useful,
+   This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with ODR-DabMux.  If not, see <http://www.gnu.org/licenses/>.
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 #pragma once
diff --git a/src/crc.c b/lib/crc.c
index cc02473..cc02473 100644
--- a/src/crc.c
+++ b/lib/crc.c
diff --git a/src/crc.h b/lib/crc.h
index b1785a1..b1785a1 100644
--- a/src/crc.h
+++ b/lib/crc.h
diff --git a/lib/edi/PFT.cpp b/lib/edi/PFT.cpp
new file mode 100644
index 0000000..aff7929
--- /dev/null
+++ b/lib/edi/PFT.cpp
@@ -0,0 +1,574 @@
+/* ------------------------------------------------------------------
+ * Copyright (C) 2017 AVT GmbH - Fabien Vercasson
+ * Copyright (C) 2017 Matthias P. Braendli
+ *                    matthias.braendli@mpb.li
+ *
+ * http://opendigitalradio.org
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
+ * express or implied.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ * -------------------------------------------------------------------
+ */
+
+#include <stdio.h>
+#include <cassert>
+#include <cstring>
+#include <sstream>
+#include <stdexcept>
+#include <algorithm>
+#include "crc.h"
+#include "PFT.hpp"
+#include "Log.h"
+#include "buffer_unpack.hpp"
+extern "C" {
+#include "fec/fec.h"
+}
+
+namespace EdiDecoder {
+namespace PFT {
+
+using namespace std;
+
+const findex_t NUM_AFBUILDERS_TO_KEEP = 10;
+
+static bool checkCRC(const uint8_t *buf, size_t size)
+{
+    const uint16_t crc_from_packet = read_16b(buf + size - 2);
+    uint16_t crc_calc = 0xffff;
+    crc_calc = crc16(crc_calc, buf, size - 2);
+    crc_calc ^= 0xffff;
+
+    return crc_from_packet == crc_calc;
+}
+
+class FECDecoder {
+    public:
+        FECDecoder() {
+            m_rs_handler = init_rs_char(
+                    symsize, gfPoly, firstRoot, primElem, nroots, pad);
+        }
+        FECDecoder(const FECDecoder& other) = delete;
+        FECDecoder& operator=(const FECDecoder& other) = delete;
+        ~FECDecoder() {
+            free_rs_char(m_rs_handler);
+        }
+
+        // return -1 in case of failure, non-negative value if errors
+        // were corrected.
+        // Known positions of erasures should be given in eras_pos to
+        // improve decoding probability. After calling this function
+        // eras_pos will contain the positions of the corrected errors.
+        int decode(vector<uint8_t> &data, vector<int> &eras_pos) {
+            assert(data.size() == N);
+            const size_t no_eras = eras_pos.size();
+
+            eras_pos.resize(nroots);
+            int num_err = decode_rs_char(m_rs_handler, data.data(),
+                    eras_pos.data(), no_eras);
+            if (num_err > 0) {
+                eras_pos.resize(num_err);
+            }
+            return num_err;
+        }
+
+        // return -1 in case of failure, non-negative value if errors
+        // were corrected. No known erasures.
+        int decode(vector<uint8_t> &data) {
+            assert(data.size() == N);
+            int num_err = decode_rs_char(m_rs_handler, data.data(), nullptr, 0);
+            return num_err;
+        }
+
+    private:
+        void* m_rs_handler;
+
+        const int firstRoot = 1; // Discovered by analysing EDI dump
+        const int gfPoly = 0x11d;
+
+        // The encoding has to be 255, 207 always, because the chunk has to
+        // be padded at the end, and not at the beginning as libfec would
+        // do
+        const size_t N = 255;
+        const size_t K = 207;
+        const int primElem = 1;
+        const int symsize = 8;
+        const size_t nroots = N - K; // For EDI PFT, this must be 48
+        const size_t pad = ((1 << symsize) - 1) - N; // is 255-N
+
+};
+
+size_t Fragment::loadData(const std::vector<uint8_t> &buf)
+{
+    const size_t header_len = 14;
+    if (buf.size() < header_len) {
+        return 0;
+    }
+
+    size_t index = 0;
+
+    // Parse PFT Fragment Header (ETSI TS 102 821 V1.4.1 ch7.1)
+    if (not (buf[0] == 'P' and buf[1] == 'F') ) {
+        throw invalid_argument("Invalid PFT SYNC bytes");
+    }
+    index += 2; // Psync
+
+    _Pseq = read_16b(buf.begin()+index); index += 2;
+    _Findex = read_24b(buf.begin()+index); index += 3;
+    _Fcount = read_24b(buf.begin()+index); index += 3;
+    _FEC = unpack1bit(buf[index], 0);
+    _Addr = unpack1bit(buf[index], 1);
+    _Plen = read_16b(buf.begin()+index) & 0x3FFF; index += 2;
+
+    const size_t required_len = header_len +
+        (_FEC ? 1 : 0) +
+        (_Addr ? 2 : 0) +
+        2; // CRC
+    if (buf.size() < required_len) {
+        return 0;
+    }
+
+    // Optional RS Header
+    _RSk = 0;
+    _RSz = 0;
+    if (_FEC) {
+        _RSk = buf[index]; index += 1;
+        _RSz = buf[index]; index += 1;
+    }
+
+    // Optional transport header
+    _Source = 0;
+    _Dest = 0;
+    if (_Addr) {
+        _Source = read_16b(buf.begin()+index); index += 2;
+        _Dest = read_16b(buf.begin()+index); index += 2;
+    }
+
+    index += 2;
+    const bool crc_valid = checkCRC(buf.data(), index);
+    const bool buf_has_enough_data = (buf.size() >= index + _Plen);
+
+    if (not buf_has_enough_data) {
+        return 0;
+    }
+
+    _valid = ((not _FEC) or crc_valid) and buf_has_enough_data;
+
+#if 0
+    if (!_valid) {
+        stringstream ss;
+        ss << "Invalid PF fragment: ";
+        if (_FEC) {
+            ss << " RSk=" << (uint32_t)_RSk << " RSz=" << (uint32_t)_RSz;
+        }
+
+        if (_Addr) {
+            ss << " Source=" << _Source << " Dest=" << _Dest;
+        }
+        etiLog.log(debug, "%s\n", ss.str().c_str());
+    }
+#endif
+
+    _payload.clear();
+    if (_valid) {
+        copy( buf.begin()+index,
+                buf.begin()+index+_Plen,
+                back_inserter(_payload));
+        index += _Plen;
+    }
+
+    return index;
+}
+
+
+AFBuilder::AFBuilder(pseq_t Pseq, findex_t Fcount, size_t lifetime)
+{
+    _Pseq = Pseq;
+    _Fcount = Fcount;
+    assert(lifetime > 0);
+    lifeTime = lifetime;
+}
+
+void AFBuilder::pushPFTFrag(const Fragment &frag)
+{
+    if (_Pseq != frag.Pseq() or _Fcount != frag.Fcount()) {
+        throw invalid_argument("Invalid PFT fragment Pseq or Fcount");
+    }
+    const auto Findex = frag.Findex();
+    const bool fragment_already_received = _fragments.count(Findex);
+
+    if (not fragment_already_received)
+    {
+        _fragments[Findex] = frag;
+    }
+}
+
+bool Fragment::checkConsistency(const Fragment& other) const
+{
+    /* Consistency check, TS 102 821 Clause 7.3.2.
+     *
+     * Every PFT Fragment produced from a single AF or RS Packet shall have
+     * the same values in all of the PFT Header fields except for the Findex,
+     * Plen and HCRC fields.
+     */
+
+    return other._Fcount == _Fcount and
+        other._FEC == _FEC and
+        other._RSk == _RSk and
+        other._RSz == _RSz and
+        other._Addr == _Addr and
+        other._Source == _Source and
+        other._Dest == _Dest and
+
+        /* The Plen field of all fragments shall be the s for the initial f-1
+         * fragments and s - (L%f) for the final fragment.
+         * Note that when Reed Solomon has been used, all fragments will be of
+         * length s.
+         */
+        (_FEC ? other._Plen == _Plen : true);
+}
+
+
+AFBuilder::decode_attempt_result_t AFBuilder::canAttemptToDecode() const
+{
+    if (_fragments.empty()) {
+        return AFBuilder::decode_attempt_result_t::no;
+    }
+
+    if (_fragments.size() == _Fcount) {
+        return AFBuilder::decode_attempt_result_t::yes;
+    }
+
+    /* Check that all fragments are consistent */
+    const Fragment& first = _fragments.begin()->second;
+    if (not std::all_of(_fragments.begin(), _fragments.end(),
+            [&](const pair<int, Fragment>& pair) {
+                const Fragment& frag = pair.second;
+                return first.checkConsistency(frag) and _Pseq == frag.Pseq();
+            }) ) {
+        throw invalid_argument("Inconsistent PFT fragments");
+    }
+
+    // Calculate the minimum number of fragments necessary to apply FEC.
+    // This can't be done with the last fragment that may have a
+    // smaller size
+    // ETSI TS 102 821 V1.4.1 ch 7.4.4
+    auto frag_it = _fragments.begin();
+    if (frag_it->second.Fcount() == _Fcount - 1) {
+        frag_it++;
+
+        if (frag_it == _fragments.end()) {
+            return AFBuilder::decode_attempt_result_t::no;
+        }
+    }
+
+    const Fragment& frag = frag_it->second;
+
+    if ( frag.FEC() )
+    {
+        const uint16_t _Plen = frag.Plen();
+
+        /* max number of RS chunks that may have been sent */
+        const uint32_t _cmax = (_Fcount*_Plen) / (frag.RSk()+48);
+        assert(_cmax > 0);
+
+        /* Receiving _rxmin fragments does not guarantee that decoding
+         * will succeed! */
+        const uint32_t _rxmin = _Fcount - (_cmax*48)/_Plen;
+
+        if (_fragments.size() >= _rxmin) {
+            return AFBuilder::decode_attempt_result_t::maybe;
+        }
+    }
+
+    return AFBuilder::decode_attempt_result_t::no;
+}
+
+std::vector<uint8_t> AFBuilder::extractAF() const
+{
+    if (not _af_packet.empty()) {
+        return _af_packet;
+    }
+
+    bool ok = false;
+
+    if (canAttemptToDecode() != AFBuilder::decode_attempt_result_t::no) {
+
+        auto frag_it = _fragments.begin();
+        if (frag_it->second.Fcount() == _Fcount - 1) {
+            frag_it++;
+
+            if (frag_it == _fragments.end()) {
+                throw std::runtime_error("Invalid attempt at extracting AF");
+            }
+        }
+
+        const Fragment& ref_frag = frag_it->second;
+        const auto RSk = ref_frag.RSk();
+        const auto RSz = ref_frag.RSz();
+        const auto Plen = ref_frag.Plen();
+
+        if ( ref_frag.FEC() )
+        {
+            const uint32_t cmax = (_Fcount*Plen) / (RSk+48);
+
+            // Keep track of erasures (missing fragments) for
+            // every chunk
+            map<int, vector<int> > erasures;
+
+
+            // Assemble fragments into a RS block, immediately
+            // deinterleaving it.
+            vector<uint8_t> rs_block(Plen * _Fcount);
+            for (size_t j = 0; j < _Fcount; j++) {
+                const bool fragment_present = _fragments.count(j);
+                if (fragment_present) {
+                    const auto& fragment = _fragments.at(j).payload();
+
+                    if (j != _Fcount - 1 and fragment.size() != Plen) {
+                        throw runtime_error("Incorrect fragment length " +
+                                to_string(fragment.size()) + " " +
+                                to_string(Plen));
+                    }
+
+                    if (j == _Fcount - 1 and fragment.size() > Plen) {
+                        throw runtime_error("Incorrect last fragment length " +
+                                to_string(fragment.size()) + " " +
+                                to_string(Plen));
+                    }
+
+                    size_t k = 0;
+                    for (; k < fragment.size(); k++) {
+                        rs_block[k * _Fcount + j] = fragment[k];
+                    }
+
+                    for (; k < Plen; k++) {
+                        rs_block[k * _Fcount + j] = 0x00;
+                    }
+                }
+                else {
+                    // fill with zeros if fragment is missing
+                    for (size_t k = 0; k < Plen; k++) {
+                        rs_block[k * _Fcount + j] = 0x00;
+
+                        const size_t chunk_ix = (k * _Fcount + j) / (RSk + 48);
+                        const size_t chunk_offset = (k * _Fcount + j) % (RSk + 48);
+                        erasures[chunk_ix].push_back(chunk_offset);
+                    }
+                }
+            }
+
+            // The RS block is a concatenation of chunks of RSk bytes + 48 parity
+            // followed by RSz padding
+
+            FECDecoder fec;
+            for (size_t i = 0; i < cmax; i++) {
+                // We need to pad the chunk ourself
+                vector<uint8_t> chunk(255);
+                const auto& block_begin = rs_block.begin() + (RSk + 48) * i;
+                copy(block_begin, block_begin + RSk, chunk.begin());
+                // bytes between RSk and 207 are 0x00 already
+                copy(block_begin + RSk, block_begin + RSk + 48,
+                        chunk.begin() + 207);
+
+                int errors_corrected = -1;
+                if (erasures.count(i)) {
+                    errors_corrected = fec.decode(chunk, erasures[i]);
+                }
+                else {
+                    errors_corrected = fec.decode(chunk);
+                }
+
+                if (errors_corrected == -1) {
+                    _af_packet.clear();
+                    return {};
+                }
+
+#if 0
+                if (errors_corrected > 0) {
+                    etiLog.log(debug, "Corrected %d errors at ", errors_corrected);
+                    for (const auto &index : erasures[i]) {
+                        etiLog.log(debug, " %d", index);
+                    }
+                    etiLog.log(debug, "\n");
+                }
+#endif
+
+                _af_packet.insert(_af_packet.end(), chunk.begin(), chunk.begin() + RSk);
+            }
+
+            _af_packet.resize(_af_packet.size() - RSz);
+        }
+        else {
+            // No FEC: just assemble fragments
+
+            for (size_t j = 0; j < _Fcount; ++j) {
+                const bool fragment_present = _fragments.count(j);
+                if (fragment_present)
+                {
+                    const auto& fragment = _fragments.at(j);
+
+                    _af_packet.insert(_af_packet.end(),
+                       fragment.payload().begin(),
+                       fragment.payload().end());
+                }
+                else {
+                    throw logic_error("Missing fragment");
+                }
+            }
+        }
+
+        // EDI specific, must have a CRC.
+        if( _af_packet.size() >= 12 ) {
+            ok = checkCRC(_af_packet.data(), _af_packet.size());
+
+            if (not ok) {
+                etiLog.log(debug, "Too many errors to reconstruct AF from %zu/%u"
+                        " PFT fragments\n", _fragments.size(), _Fcount);
+            }
+        }
+    }
+
+    if (not ok) {
+        _af_packet.clear();
+    }
+
+    return _af_packet;
+}
+
+std::string AFBuilder::visualise() const
+{
+    stringstream ss;
+    ss << "|";
+    for (size_t i = 0; i < _Fcount; i++) {
+        if (_fragments.count(i)) {
+            ss << ".";
+        }
+        else {
+            ss << " ";
+        }
+    }
+    ss << "| " << AFBuilder::dar_to_string(canAttemptToDecode()) << " " << lifeTime;
+    return ss.str();
+}
+
+void PFT::pushPFTFrag(const Fragment &fragment)
+{
+    // Start decoding the first pseq we receive. In normal
+    // operation without interruptions, the map should
+    // never become empty
+    if (m_afbuilders.empty()) {
+        m_next_pseq = fragment.Pseq();
+        etiLog.log(debug,"Initialise next_pseq to %u\n", m_next_pseq);
+    }
+
+    if (m_afbuilders.count(fragment.Pseq()) == 0) {
+        // The AFBuilder wants to know the lifetime in number of fragments,
+        // we know the delay in number of AF packets. Every AF packet
+        // is cut into Fcount fragments.
+        const size_t lifetime = fragment.Fcount() * m_max_delay;
+
+        // Build the afbuilder in the map in-place
+        m_afbuilders.emplace(std::piecewise_construct,
+                /* key */
+                std::forward_as_tuple(fragment.Pseq()),
+                /* builder */
+                std::forward_as_tuple(fragment.Pseq(), fragment.Fcount(), lifetime));
+    }
+
+    auto& p = m_afbuilders.at(fragment.Pseq());
+    p.pushPFTFrag(fragment);
+
+    if (m_verbose) {
+        etiLog.log(debug, "Got frag %u:%u, afbuilders: ",
+                fragment.Pseq(), fragment.Findex());
+        for (const auto &k : m_afbuilders) {
+            const bool isNextPseq = (m_next_pseq == k.first);
+            etiLog.level(debug) << (isNextPseq ? "->" : "  ") <<
+                k.first << " " << k.second.visualise();
+        }
+    }
+}
+
+
+std::vector<uint8_t> PFT::getNextAFPacket()
+{
+    if (m_afbuilders.count(m_next_pseq) == 0) {
+        if (m_afbuilders.size() > m_max_delay) {
+            m_afbuilders.clear();
+            etiLog.level(debug) << " Reinit";
+        }
+
+        return {};
+    }
+
+    auto &builder = m_afbuilders.at(m_next_pseq);
+
+    using dar_t = AFBuilder::decode_attempt_result_t;
+
+    if (builder.canAttemptToDecode() == dar_t::yes) {
+        auto afpacket = builder.extractAF();
+        assert(not afpacket.empty());
+        incrementNextPseq();
+        return afpacket;
+    }
+    else if (builder.canAttemptToDecode() == dar_t::maybe) {
+        if (builder.lifeTime > 0) {
+            builder.lifeTime--;
+        }
+
+        if (builder.lifeTime == 0) {
+            // Attempt Reed-Solomon decoding
+            auto afpacket = builder.extractAF();
+
+            if (afpacket.empty()) {
+                etiLog.log(debug,"pseq %d timed out after RS", m_next_pseq);
+            }
+            incrementNextPseq();
+            return afpacket;
+        }
+    }
+    else {
+        if (builder.lifeTime > 0) {
+            builder.lifeTime--;
+        }
+
+        if (builder.lifeTime == 0) {
+            etiLog.log(debug, "pseq %d timed out\n", m_next_pseq);
+            incrementNextPseq();
+        }
+    }
+
+    return {};
+}
+
+void PFT::setMaxDelay(size_t num_af_packets)
+{
+    m_max_delay = num_af_packets;
+}
+
+void PFT::setVerbose(bool enable)
+{
+    m_verbose = enable;
+}
+
+void PFT::incrementNextPseq()
+{
+    if (m_afbuilders.count(m_next_pseq - NUM_AFBUILDERS_TO_KEEP) > 0) {
+        m_afbuilders.erase(m_next_pseq - NUM_AFBUILDERS_TO_KEEP);
+    }
+
+    m_next_pseq++;
+}
+
+}
+}
diff --git a/lib/edi/PFT.hpp b/lib/edi/PFT.hpp
new file mode 100644
index 0000000..779509b
--- /dev/null
+++ b/lib/edi/PFT.hpp
@@ -0,0 +1,166 @@
+/* ------------------------------------------------------------------
+ * Copyright (C) 2017 AVT GmbH - Fabien Vercasson
+ * Copyright (C) 2017 Matthias P. Braendli
+ *                    matthias.braendli@mpb.li
+ *
+ * http://opendigitalradio.org
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
+ * express or implied.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ * -------------------------------------------------------------------
+ */
+
+#pragma once
+#include <stdio.h>
+#include <vector>
+#include <map>
+#include <stdint.h>
+
+namespace EdiDecoder {
+namespace PFT {
+
+using pseq_t = uint16_t;
+using findex_t = uint32_t; // findex is a 24-bit value
+
+class Fragment
+{
+    public:
+        // Load the data for one fragment from buf into
+        // the Fragment.
+        // \returns the number of bytes of useful data found in buf
+        // A non-zero return value doesn't imply a valid fragment
+        // the isValid() method must be used to verify this.
+        size_t loadData(const std::vector<uint8_t> &buf);
+
+        bool isValid() const { return _valid; }
+        pseq_t Pseq() const { return _Pseq; }
+        findex_t Findex() const { return _Findex; }
+        findex_t Fcount() const { return _Fcount; }
+        bool FEC() const { return _FEC; }
+        uint16_t Plen() const { return _Plen; }
+        uint8_t RSk() const { return _RSk; }
+        uint8_t RSz() const { return _RSz; }
+        const std::vector<uint8_t>& payload() const
+            { return _payload; }
+
+        bool checkConsistency(const Fragment& other) const;
+
+    private:
+        std::vector<uint8_t> _payload;
+
+        pseq_t _Pseq = 0;
+        findex_t _Findex = 0;
+        findex_t _Fcount = 0;
+        bool _FEC = false;
+        bool _Addr = false;
+        uint16_t _Plen = 0;
+        uint8_t _RSk = 0;
+        uint8_t _RSz = 0;
+        uint16_t _Source = 0;
+        uint16_t _Dest = 0;
+        bool _valid = false;
+};
+
+/* The AFBuilder collects Fragments and builds an Application Frame
+ * out of them. It does error correction if necessary
+ */
+class AFBuilder
+{
+    public:
+        enum class decode_attempt_result_t {
+            yes,   // The AF packet can be build because all fragments are present
+            maybe, // RS decoding may correctly decode the AF packet
+            no,    // Not enough fragments present to permit RS
+        };
+
+        static std::string dar_to_string(decode_attempt_result_t dar) {
+            switch (dar) {
+                case decode_attempt_result_t::yes: return "y";
+                case decode_attempt_result_t::no: return "n";
+                case decode_attempt_result_t::maybe: return "m";
+            }
+            return "?";
+        }
+
+        AFBuilder(pseq_t Pseq, findex_t Fcount, size_t lifetime);
+
+        void pushPFTFrag(const Fragment &frag);
+
+        /* Assess if it may be possible to decode this AF packet */
+        decode_attempt_result_t canAttemptToDecode() const;
+
+        /* Try to build the AF with received fragments.
+         * Apply error correction if necessary (missing packets/CRC errors)
+         * \return an empty vector if building the AF is not possible
+         */
+        std::vector<uint8_t> extractAF(void) const;
+
+        std::pair<findex_t, findex_t>
+            numberOfFragments(void) const {
+                return {_fragments.size(), _Fcount};
+            }
+
+        std::string visualise(void) const;
+
+        /* The user of this instance can keep track of the lifetime of this
+         * builder
+         */
+        size_t lifeTime;
+
+    private:
+
+        // A map from fragment index to fragment
+        std::map<findex_t, Fragment> _fragments;
+
+        // cached version of decoded AF packet
+        mutable std::vector<uint8_t> _af_packet;
+
+        pseq_t _Pseq;
+        findex_t _Fcount;
+};
+
+class PFT
+{
+    public:
+        void pushPFTFrag(const Fragment &fragment);
+
+        /* Try to build the AF packet for the next pseq. This might
+         * skip one or more pseq according to the maximum delay setting.
+         *
+         * \return an empty vector if building the AF is not possible
+         */
+        std::vector<uint8_t> getNextAFPacket(void);
+
+        /* Set the maximum delay in number of AF Packets before we
+         * abandon decoding a given pseq.
+         */
+        void setMaxDelay(size_t num_af_packets);
+
+        /* Enable verbose fprintf */
+        void setVerbose(bool enable);
+
+    private:
+        void incrementNextPseq(void);
+
+        pseq_t m_next_pseq;
+        size_t m_max_delay = 10; // in AF packets
+
+        // Keep one AFBuilder for each Pseq
+        std::map<pseq_t, AFBuilder> m_afbuilders;
+
+        bool m_verbose = 0;
+};
+
+}
+
+}
diff --git a/lib/edi/STIDecoder.cpp b/lib/edi/STIDecoder.cpp
new file mode 100644
index 0000000..ca8cead
--- /dev/null
+++ b/lib/edi/STIDecoder.cpp
@@ -0,0 +1,191 @@
+/*
+   Copyright (C) 2019
+   Matthias P. Braendli, matthias.braendli@mpb.li
+
+   http://opendigitalradio.org
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#include "STIDecoder.hpp"
+#include "buffer_unpack.hpp"
+#include "crc.h"
+#include "Log.h"
+#include <stdio.h>
+#include <cassert>
+#include <sstream>
+
+namespace EdiDecoder {
+
+using namespace std;
+
+STIDecoder::STIDecoder(STIDataCollector& data_collector, bool verbose) :
+    m_data_collector(data_collector),
+    m_dispatcher(std::bind(&STIDecoder::packet_completed, this), verbose)
+{
+    using std::placeholders::_1;
+    using std::placeholders::_2;
+    m_dispatcher.register_tag("*ptr",
+            std::bind(&STIDecoder::decode_starptr, this, _1, _2));
+    m_dispatcher.register_tag("dsti",
+            std::bind(&STIDecoder::decode_dsti, this, _1, _2));
+    m_dispatcher.register_tag("ss",
+            std::bind(&STIDecoder::decode_ssn, this, _1, _2));
+    m_dispatcher.register_tag("*dmy",
+            std::bind(&STIDecoder::decode_stardmy, this, _1, _2));
+}
+
+void STIDecoder::push_bytes(const vector<uint8_t> &buf)
+{
+    m_dispatcher.push_bytes(buf);
+}
+
+void STIDecoder::push_packet(const vector<uint8_t> &buf)
+{
+    m_dispatcher.push_packet(buf);
+}
+
+void STIDecoder::setMaxDelay(int num_af_packets)
+{
+    m_dispatcher.setMaxDelay(num_af_packets);
+}
+
+#define AFPACKET_HEADER_LEN 10 // includes SYNC
+
+bool STIDecoder::decode_starptr(const vector<uint8_t> &value, uint16_t)
+{
+    if (value.size() != 0x40 / 8) {
+        etiLog.log(warn, "Incorrect length %02lx for *PTR", value.size());
+        return false;
+    }
+
+    char protocol_sz[5];
+    protocol_sz[4] = '\0';
+    copy(value.begin(), value.begin() + 4, protocol_sz);
+    string protocol(protocol_sz);
+
+    uint16_t major = read_16b(value.begin() + 4);
+    uint16_t minor = read_16b(value.begin() + 6);
+
+    m_data_collector.update_protocol(protocol, major, minor);
+
+    return true;
+}
+
+bool STIDecoder::decode_dsti(const vector<uint8_t> &value, uint16_t)
+{
+    size_t offset = 0;
+
+    const uint16_t dstiHeader = read_16b(value.begin() + offset);
+    offset += 2;
+
+    sti_management_data md;
+
+    md.stihf = (dstiHeader >> 15) & 0x1;
+    md.atstf = (dstiHeader >> 14) & 0x1;
+    md.rfadf = (dstiHeader >> 13) & 0x1;
+    uint8_t dfcth = (dstiHeader >> 8) & 0x1F;
+    uint8_t dfctl = dstiHeader & 0xFF;
+
+    md.dflc = dfcth * 250 + dfctl; // modulo 5000 counter
+
+    const size_t expected_length = 2 +
+        (md.stihf ? 3 : 0) +
+        (md.atstf ? 1 + 4 + 3 : 0) +
+        (md.rfadf ? 9 : 0);
+
+    if (value.size() != expected_length) {
+        throw std::logic_error("EDI dsti: Assertion error:"
+                "value.size() != expected_length: " +
+               to_string(value.size()) + " " +
+               to_string(expected_length));
+    }
+
+    if (md.stihf) {
+        const uint8_t stat = value[offset++];
+        const uint16_t spid = read_16b(value.begin() + offset);
+        m_data_collector.update_stat(stat, spid);
+        offset += 2;
+    }
+
+    if (md.atstf) {
+        uint8_t utco = value[offset];
+        offset++;
+
+        uint32_t seconds = read_32b(value.begin() + offset);
+        offset += 4;
+
+        m_data_collector.update_edi_time(utco, seconds);
+
+        md.tsta = read_24b(value.begin() + offset);
+        offset += 3;
+    }
+    else {
+        // Null timestamp, ETSI ETS 300 799, C.2.2
+        md.tsta = 0xFFFFFF;
+    }
+
+
+    if (md.rfadf) {
+        std::array<uint8_t, 9> rfad;
+        copy(value.cbegin() + offset,
+             value.cbegin() + offset + 9,
+             rfad.begin());
+        offset += 9;
+
+        m_data_collector.update_rfad(rfad);
+    }
+
+    m_data_collector.update_sti_management(md);
+
+    return true;
+}
+
+bool STIDecoder::decode_ssn(const vector<uint8_t> &value, uint16_t n)
+{
+    sti_payload_data sti;
+
+    sti.stream_index = n - 1; // n is 1-indexed
+    sti.rfa = value[0] >> 3;
+    sti.tid = value[0] & 0x07;
+
+    uint16_t istc = read_24b(value.begin() + 1);
+    sti.tidext = istc >> 13;
+    sti.crcstf = (istc >> 12) & 0x1;
+    sti.stid = istc & 0xFFF;
+
+    if (sti.rfa != 0) {
+        etiLog.level(warn) << "EDI: rfa field in SSnn tag non-null";
+    }
+
+    copy(   value.cbegin() + 3,
+            value.cend(),
+            back_inserter(sti.istd));
+
+    m_data_collector.add_payload(move(sti));
+
+    return true;
+}
+
+bool STIDecoder::decode_stardmy(const vector<uint8_t>& /*value*/, uint16_t)
+{
+    return true;
+}
+
+void STIDecoder::packet_completed()
+{
+    m_data_collector.assemble();
+}
+
+}
diff --git a/lib/edi/STIDecoder.hpp b/lib/edi/STIDecoder.hpp
new file mode 100644
index 0000000..201a176
--- /dev/null
+++ b/lib/edi/STIDecoder.hpp
@@ -0,0 +1,122 @@
+/*
+   Copyright (C) 2019
+   Matthias P. Braendli, matthias.braendli@mpb.li
+
+   http://opendigitalradio.org
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#pragma once
+
+#include "common.hpp"
+#include <cstdint>
+#include <deque>
+#include <string>
+#include <vector>
+
+namespace EdiDecoder {
+
+// Information for STI-D Management
+struct sti_management_data {
+    bool stihf;
+    bool atstf;
+    bool rfadf;
+    uint16_t dflc;
+
+    uint32_t tsta;
+};
+
+// Information for a subchannel available in EDI
+struct sti_payload_data {
+    uint16_t stream_index;
+    uint8_t rfa;
+    uint8_t tid;
+    uint8_t tidext;
+    bool crcstf;
+    uint16_t stid;
+    std::vector<uint8_t> istd;
+
+    // Return the length of ISTD in bytes
+    uint16_t stl(void) const { return istd.size(); }
+};
+
+/* A class that receives STI data must implement the interface described
+ * in the STIDataCollector. This can be e.g. a converter to ETI, or something that
+ * prepares data structures for a modulator.
+ */
+class STIDataCollector {
+    public:
+        // Tell the ETIWriter what EDI protocol we receive in *ptr.
+        // This is not part of the ETI data, but is used as check
+        virtual void update_protocol(
+                const std::string& proto,
+                uint16_t major,
+                uint16_t minor) = 0;
+
+        // STAT error field and service provider ID
+        virtual void update_stat(uint8_t stat, uint16_t spid) = 0;
+
+        // In addition to TSTA in ETI, EDI also transports more time
+        // stamp information.
+        virtual void update_edi_time(uint32_t utco, uint32_t seconds) = 0;
+
+        virtual void update_rfad(std::array<uint8_t, 9> rfad) = 0;
+        virtual void update_sti_management(const sti_management_data& data) = 0;
+
+        virtual void add_payload(sti_payload_data&& payload) = 0;
+
+        virtual void assemble() = 0;
+};
+
+/* The STIDecoder takes care of decoding the EDI TAGs related to the transport
+ * of ETI(NI) data inside AF and PF packets.
+ *
+ * PF packets are handed over to the PFT decoder, which will in turn return
+ * AF packets. AF packets are directly handled (TAG extraction) here.
+ */
+class STIDecoder {
+    public:
+        STIDecoder(STIDataCollector& data_collector, bool verbose);
+
+        /* Push bytes into the decoder. The buf can contain more
+         * than a single packet. This is useful when reading from streams
+         * (files, TCP)
+         */
+        void push_bytes(const std::vector<uint8_t> &buf);
+
+        /* Push a complete packet into the decoder. Useful for UDP and other
+         * datagram-oriented protocols.
+         */
+        void push_packet(const std::vector<uint8_t> &buf);
+
+        /* Set the maximum delay in number of AF Packets before we
+         * abandon decoding a given pseq.
+         */
+        void setMaxDelay(int num_af_packets);
+
+    private:
+        bool decode_starptr(const std::vector<uint8_t> &value, uint16_t);
+        bool decode_dsti(const std::vector<uint8_t> &value, uint16_t);
+        bool decode_ssn(const std::vector<uint8_t> &value, uint16_t n);
+        bool decode_stardmy(const std::vector<uint8_t> &value, uint16_t);
+
+        void packet_completed();
+
+        STIDataCollector& m_data_collector;
+        TagDispatcher m_dispatcher;
+
+};
+
+}
diff --git a/lib/edi/STIWriter.cpp b/lib/edi/STIWriter.cpp
new file mode 100644
index 0000000..399922a
--- /dev/null
+++ b/lib/edi/STIWriter.cpp
@@ -0,0 +1,139 @@
+/*
+   Copyright (C) 2019
+   Matthias P. Braendli, matthias.braendli@mpb.li
+
+   http://opendigitalradio.org
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#include "STIWriter.hpp"
+#include "crc.h"
+#include "Log.h"
+#include <cstdio>
+#include <cassert>
+#include <stdexcept>
+#include <sstream>
+#include <ctime>
+#include <iostream>
+#include <iomanip>
+#include <sstream>
+
+namespace EdiDecoder {
+
+using namespace std;
+
+void STIWriter::update_protocol(
+        const std::string& proto,
+        uint16_t major,
+        uint16_t minor)
+{
+    m_proto_valid = (proto == "DSTI" and major == 0 and minor == 0);
+
+    if (not m_proto_valid) {
+        throw std::invalid_argument("Wrong EDI protocol");
+    }
+}
+
+void STIWriter::reinit()
+{
+    m_proto_valid = false;
+    m_management_data_valid = false;
+    m_stat_valid = false;
+    m_time_valid = false;
+    m_payload_valid = false;
+    m_stiFrame.frame.clear();
+}
+
+void STIWriter::update_stat(uint8_t stat, uint16_t spid)
+{
+    m_stat = stat;
+    m_spid = spid;
+    m_stat_valid = true;
+
+    if (m_stat != 0xFF) {
+        etiLog.log(warn, "STI errorlevel %02x", m_stat);
+    }
+}
+
+void STIWriter::update_rfad(std::array<uint8_t, 9> rfad)
+{
+    (void)rfad;
+}
+
+void STIWriter::update_sti_management(const sti_management_data& data)
+{
+    m_management_data = data;
+    m_management_data_valid = true;
+}
+
+void STIWriter::add_payload(sti_payload_data&& payload)
+{
+    m_payload = move(payload);
+    m_payload_valid = true;
+}
+
+void STIWriter::update_edi_time(
+        uint32_t utco,
+        uint32_t seconds)
+{
+    if (not m_proto_valid) {
+        throw std::logic_error("Cannot update time before protocol");
+    }
+
+    m_utco = utco;
+    m_seconds = seconds;
+
+    // TODO check validity
+    m_time_valid = true;
+}
+
+
+void STIWriter::assemble()
+{
+    if (not m_proto_valid) {
+        throw std::logic_error("Cannot assemble STI before protocol");
+    }
+
+    if (not m_management_data_valid) {
+        throw std::logic_error("Cannot assemble STI before management data");
+    }
+
+    if (not m_payload_valid) {
+        throw std::logic_error("Cannot assemble STI without frame data");
+    }
+
+    // TODO check time validity
+
+    // Do copies so as to preserve existing payload data
+    m_stiFrame.frame = m_payload.istd;
+    m_stiFrame.timestamp.seconds = m_seconds;
+    m_stiFrame.timestamp.utco = m_utco;
+    m_stiFrame.timestamp.tsta = m_management_data.tsta;
+}
+
+sti_frame_t STIWriter::getFrame()
+{
+    if (m_stiFrame.frame.empty()) {
+        return {};
+    }
+
+    sti_frame_t sti;
+    swap(sti, m_stiFrame);
+    reinit();
+    return sti;
+}
+
+}
+
diff --git a/lib/edi/STIWriter.hpp b/lib/edi/STIWriter.hpp
new file mode 100644
index 0000000..a75cb69
--- /dev/null
+++ b/lib/edi/STIWriter.hpp
@@ -0,0 +1,84 @@
+/*
+   Copyright (C) 2019
+   Matthias P. Braendli, matthias.braendli@mpb.li
+
+   http://opendigitalradio.org
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#pragma once
+
+#include "common.hpp"
+#include "STIDecoder.hpp"
+#include <cstdint>
+#include <string>
+#include <vector>
+#include <list>
+
+namespace EdiDecoder {
+
+struct sti_frame_t {
+    std::vector<uint8_t> frame;
+    frame_timestamp_t timestamp;
+};
+
+class STIWriter : public STIDataCollector {
+    public:
+        // Tell the ETIWriter what EDI protocol we receive in *ptr.
+        // This is not part of the ETI data, but is used as check
+        virtual void update_protocol(
+                const std::string& proto,
+                uint16_t major,
+                uint16_t minor);
+
+        virtual void update_stat(uint8_t stat, uint16_t spid);
+
+        virtual void update_edi_time(
+                uint32_t utco,
+                uint32_t seconds);
+
+        virtual void update_rfad(std::array<uint8_t, 9> rfad);
+        virtual void update_sti_management(const sti_management_data& data);
+        virtual void add_payload(sti_payload_data&& payload);
+
+        virtual void assemble(void);
+
+        // Return the assembled frame or an empty frame if not ready
+        sti_frame_t getFrame();
+
+    private:
+        void reinit(void);
+
+        bool m_proto_valid = false;
+
+        bool m_management_data_valid = false;
+        sti_management_data m_management_data;
+
+        bool m_stat_valid = false;
+        uint8_t m_stat = 0;
+        uint16_t m_spid = 0;
+
+        bool m_time_valid = false;
+        uint32_t m_utco = 0;
+        uint32_t m_seconds = 0;
+
+        bool m_payload_valid = false;
+        sti_payload_data m_payload;
+
+        sti_frame_t m_stiFrame;
+};
+
+}
+
diff --git a/lib/edi/buffer_unpack.hpp b/lib/edi/buffer_unpack.hpp
new file mode 100644
index 0000000..05a1534
--- /dev/null
+++ b/lib/edi/buffer_unpack.hpp
@@ -0,0 +1,62 @@
+/*
+   Copyright (C) 2016
+   Matthias P. Braendli, matthias.braendli@mpb.li
+
+   http://opendigitalradio.org
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#pragma once
+#include <stdint.h>
+
+namespace EdiDecoder {
+
+template<class T>
+uint16_t read_16b(T buf)
+{
+    uint16_t value = 0;
+    value = (uint16_t)(buf[0]) << 8;
+    value |= (uint16_t)(buf[1]);
+    return value;
+}
+
+template<class T>
+uint32_t read_24b(T buf)
+{
+    uint32_t value = 0;
+    value = (uint32_t)(buf[0]) << 16;
+    value |= (uint32_t)(buf[1]) << 8;
+    value |= (uint32_t)(buf[2]);
+    return value;
+}
+
+template<class T>
+uint32_t read_32b(T buf)
+{
+    uint32_t value = 0;
+    value = (uint32_t)(buf[0]) << 24;
+    value |= (uint32_t)(buf[1]) << 16;
+    value |= (uint32_t)(buf[2]) << 8;
+    value |= (uint32_t)(buf[3]);
+    return value;
+}
+
+inline uint32_t unpack1bit(uint8_t byte, int bitpos)
+{
+    return (byte & 1 << (7-bitpos)) > (7-bitpos);
+}
+
+}
diff --git a/lib/edi/common.cpp b/lib/edi/common.cpp
new file mode 100644
index 0000000..b4b0c79
--- /dev/null
+++ b/lib/edi/common.cpp
@@ -0,0 +1,323 @@
+/*
+   Copyright (C) 2019
+   Matthias P. Braendli, matthias.braendli@mpb.li
+
+   http://opendigitalradio.org
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#include "common.hpp"
+#include "buffer_unpack.hpp"
+#include "Log.h"
+#include "crc.h"
+#include <iomanip>
+#include <sstream>
+#include <cassert>
+#include <cmath>
+#include <cstdio>
+
+namespace EdiDecoder {
+
+using namespace std;
+
+bool frame_timestamp_t::valid() const
+{
+    return tsta != 0xFFFFFF;
+}
+
+string frame_timestamp_t::to_string() const
+{
+    const time_t seconds_in_unix_epoch = to_unix_epoch();
+
+    stringstream ss;
+    if (valid()) {
+        ss << "Timestamp: ";
+    }
+    else {
+        ss << "Timestamp not valid: ";
+    }
+    ss << std::put_time(std::gmtime(&seconds_in_unix_epoch), "%c %Z") <<
+        " + " << ((double)tsta / 16384000.0);
+    return ss.str();
+}
+
+time_t frame_timestamp_t::to_unix_epoch() const
+{
+    // EDI epoch: 2000-01-01T00:00:00Z
+    // Convert using
+    // TZ=UTC python -c 'import datetime; print(datetime.datetime(2000,1,1,0,0,0,0).strftime("%s"))'
+    return 946684800 + seconds - utco;
+}
+
+std::chrono::system_clock::time_point frame_timestamp_t::to_system_clock() const
+{
+    auto ts = chrono::system_clock::from_time_t(to_unix_epoch());
+
+    // PPS offset in seconds = tsta / 16384000
+    ts += chrono::nanoseconds(std::lrint(tsta / 0.016384));
+
+    return ts;
+}
+
+
+TagDispatcher::TagDispatcher(
+        std::function<void()>&& af_packet_completed, bool verbose) :
+    m_af_packet_completed(move(af_packet_completed))
+{
+    m_pft.setVerbose(verbose);
+}
+
+void TagDispatcher::push_bytes(const vector<uint8_t> &buf)
+{
+    copy(buf.begin(), buf.end(), back_inserter(m_input_data));
+
+    while (m_input_data.size() > 2) {
+        if (m_input_data[0] == 'A' and m_input_data[1] == 'F') {
+            const decode_state_t st = decode_afpacket(m_input_data);
+
+            if (st.num_bytes_consumed == 0 and not st.complete) {
+                // We need to refill our buffer
+                break;
+            }
+
+            if (st.num_bytes_consumed) {
+                vector<uint8_t> remaining_data;
+                copy(m_input_data.begin() + st.num_bytes_consumed,
+                        m_input_data.end(),
+                        back_inserter(remaining_data));
+                m_input_data = remaining_data;
+            }
+
+            if (st.complete) {
+                m_af_packet_completed();
+            }
+        }
+        else if (m_input_data[0] == 'P' and m_input_data[1] == 'F') {
+            PFT::Fragment fragment;
+            const size_t fragment_bytes = fragment.loadData(m_input_data);
+
+            if (fragment_bytes == 0) {
+                // We need to refill our buffer
+                break;
+            }
+
+            vector<uint8_t> remaining_data;
+            copy(m_input_data.begin() + fragment_bytes,
+                    m_input_data.end(),
+                    back_inserter(remaining_data));
+            m_input_data = remaining_data;
+
+            if (fragment.isValid()) {
+                m_pft.pushPFTFrag(fragment);
+            }
+
+            auto af = m_pft.getNextAFPacket();
+            if (not af.empty()) {
+                decode_state_t st = decode_afpacket(af);
+
+                if (st.complete) {
+                    m_af_packet_completed();
+                }
+            }
+        }
+        else {
+            etiLog.log(warn,"Unknown %c!", *m_input_data.data());
+            m_input_data.erase(m_input_data.begin());
+        }
+    }
+}
+
+void TagDispatcher::push_packet(const vector<uint8_t> &buf)
+{
+    if (buf.size() < 2) {
+        throw std::invalid_argument("Not enough bytes to read EDI packet header");
+    }
+
+    if (buf[0] == 'A' and buf[1] == 'F') {
+        const decode_state_t st = decode_afpacket(buf);
+
+        if (st.complete) {
+            m_af_packet_completed();
+        }
+
+    }
+    else if (buf[0] == 'P' and buf[1] == 'F') {
+        PFT::Fragment fragment;
+        fragment.loadData(buf);
+
+        if (fragment.isValid()) {
+            m_pft.pushPFTFrag(fragment);
+        }
+
+        auto af = m_pft.getNextAFPacket();
+        if (not af.empty()) {
+            const decode_state_t st = decode_afpacket(af);
+
+            if (st.complete) {
+                m_af_packet_completed();
+            }
+        }
+    }
+    else {
+        const char packettype[3] = {(char)buf[0], (char)buf[1], '\0'};
+        std::stringstream ss;
+        ss << "Unknown EDI packet ";
+        ss << packettype;
+        throw std::invalid_argument(ss.str());
+    }
+}
+
+void TagDispatcher::setMaxDelay(int num_af_packets)
+{
+    m_pft.setMaxDelay(num_af_packets);
+}
+
+
+#define AFPACKET_HEADER_LEN 10 // includes SYNC
+decode_state_t TagDispatcher::decode_afpacket(
+        const std::vector<uint8_t> &input_data)
+{
+    if (input_data.size() < AFPACKET_HEADER_LEN) {
+        return {false, 0};
+    }
+
+    // read length from packet
+    uint32_t taglength = read_32b(input_data.begin() + 2);
+    uint16_t seq = read_16b(input_data.begin() + 6);
+
+    const size_t crclength = 2;
+    if (input_data.size() < AFPACKET_HEADER_LEN + taglength + crclength) {
+        return {false, 0};
+    }
+
+    if (m_last_seq + 1 != seq) {
+        etiLog.level(warn) << "EDI AF Packet sequence error, " << seq;
+    }
+    m_last_seq = seq;
+
+    bool has_crc = (input_data[8] & 0x80) ? true : false;
+    uint8_t major_revision = (input_data[8] & 0x70) >> 4;
+    uint8_t minor_revision = input_data[8] & 0x0F;
+    if (major_revision != 1 or minor_revision != 0) {
+        throw invalid_argument("EDI AF Packet has wrong revision " +
+                to_string(major_revision) + "." + to_string(minor_revision));
+    }
+    uint8_t pt = input_data[9];
+    if (pt != 'T') {
+        // only support Tag
+        return {false, 0};
+    }
+
+
+    if (not has_crc) {
+        throw invalid_argument("AF packet not supported, has no CRC");
+    }
+
+    uint16_t crc = 0xffff;
+    for (size_t i = 0; i < AFPACKET_HEADER_LEN + taglength; i++) {
+        crc = crc16(crc, &input_data[i], 1);
+    }
+    crc ^= 0xffff;
+
+    uint16_t packet_crc = read_16b(input_data.begin() + AFPACKET_HEADER_LEN + taglength);
+
+    if (packet_crc != crc) {
+        throw invalid_argument(
+                "AF Packet crc wrong");
+    }
+    else {
+        vector<uint8_t> payload(taglength);
+        copy(input_data.begin() + AFPACKET_HEADER_LEN,
+                input_data.begin() + AFPACKET_HEADER_LEN + taglength,
+                payload.begin());
+
+        return {decode_tagpacket(payload),
+            AFPACKET_HEADER_LEN + taglength + 2};
+    }
+}
+
+void TagDispatcher::register_tag(const std::string& tag, tag_handler&& h)
+{
+    m_handlers[tag] = move(h);
+}
+
+
+bool TagDispatcher::decode_tagpacket(const vector<uint8_t> &payload)
+{
+    size_t length = 0;
+
+    bool success = true;
+
+    for (size_t i = 0; i + 8 < payload.size(); i += 8 + length) {
+        char tag_sz[5];
+        tag_sz[4] = '\0';
+        copy(payload.begin() + i, payload.begin() + i + 4, tag_sz);
+
+        string tag(tag_sz);
+
+        uint32_t taglength = read_32b(payload.begin() + i + 4);
+
+        if (taglength % 8 != 0) {
+            etiLog.log(warn, "Invalid tag length!");
+            break;
+        }
+        taglength /= 8;
+
+        length = taglength;
+
+        vector<uint8_t> tag_value(taglength);
+        copy(   payload.begin() + i+8,
+                payload.begin() + i+8+taglength,
+                tag_value.begin());
+
+        bool tagsuccess = false;
+        bool found = false;
+        for (auto tag_handler : m_handlers) {
+            if (tag_handler.first.size() == 4 and tag_handler.first == tag) {
+                found = true;
+                tagsuccess = tag_handler.second(tag_value, 0);
+            }
+            else if (tag_handler.first.size() == 3 and
+                    tag.substr(0, 3) == tag_handler.first) {
+                found = true;
+                uint8_t n = tag_sz[3];
+                tagsuccess = tag_handler.second(tag_value, n);
+            }
+            else if (tag_handler.first.size() == 2 and
+                    tag.substr(0, 2) == tag_handler.first) {
+                found = true;
+                uint16_t n = 0;
+                n = (uint16_t)(tag_sz[2]) << 8;
+                n |= (uint16_t)(tag_sz[3]);
+                tagsuccess = tag_handler.second(tag_value, n);
+            }
+        }
+
+        if (not found) {
+            etiLog.log(warn, "Ignoring unknown TAG %s", tag.c_str());
+            break;
+        }
+
+        if (not tagsuccess) {
+            etiLog.log(warn, "Error decoding TAG %s", tag.c_str());
+            success = tagsuccess;
+            break;
+        }
+    }
+
+    return success;
+}
+
+}
diff --git a/lib/edi/common.hpp b/lib/edi/common.hpp
new file mode 100644
index 0000000..887bc3d
--- /dev/null
+++ b/lib/edi/common.hpp
@@ -0,0 +1,92 @@
+/*
+   Copyright (C) 2019
+   Matthias P. Braendli, matthias.braendli@mpb.li
+
+   http://opendigitalradio.org
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#pragma once
+
+#include "PFT.hpp"
+#include <functional>
+#include <map>
+#include <chrono>
+#include <string>
+#include <vector>
+#include <cstddef>
+#include <ctime>
+
+namespace EdiDecoder {
+
+struct frame_timestamp_t {
+    uint32_t seconds = 0;
+    uint32_t utco = 0;
+    uint32_t tsta = 0; // According to EN 300 797 Annex B
+
+    bool valid() const;
+    std::string to_string() const;
+    time_t to_unix_epoch() const;
+    std::chrono::system_clock::time_point to_system_clock() const;
+};
+
+struct decode_state_t {
+    decode_state_t(bool _complete, size_t _num_bytes_consumed) :
+        complete(_complete), num_bytes_consumed(_num_bytes_consumed) {}
+    bool complete;
+    size_t num_bytes_consumed;
+};
+
+/* The TagDispatcher takes care of decoding EDI, with or without PFT, and
+ * will call functions when TAGs are encountered.
+ *
+ * PF packets are handed over to the PFT decoder, which will in turn return
+ * AF packets. AF packets are directly dispatched to the TAG functions.
+ */
+class TagDispatcher {
+    public:
+        TagDispatcher(std::function<void()>&& af_packet_completed, bool verbose);
+
+        /* Push bytes into the decoder. The buf can contain more
+         * than a single packet. This is useful when reading from streams
+         * (files, TCP)
+         */
+        void push_bytes(const std::vector<uint8_t> &buf);
+
+        /* Push a complete packet into the decoder. Useful for UDP and other
+         * datagram-oriented protocols.
+         */
+        void push_packet(const std::vector<uint8_t> &buf);
+
+        /* Set the maximum delay in number of AF Packets before we
+         * abandon decoding a given pseq.
+         */
+        void setMaxDelay(int num_af_packets);
+
+        using tag_handler = std::function<bool(std::vector<uint8_t>, uint16_t)>;
+        void register_tag(const std::string& tag, tag_handler&& h);
+
+    private:
+        decode_state_t decode_afpacket(const std::vector<uint8_t> &input_data);
+        bool decode_tagpacket(const std::vector<uint8_t> &payload);
+
+        PFT::PFT m_pft;
+        uint16_t m_last_seq = 0;
+        std::vector<uint8_t> m_input_data;
+        std::map<std::string, tag_handler> m_handlers;
+        std::function<void()> m_af_packet_completed;
+};
+
+}
diff --git a/src/dabOutput/edi/AFPacket.cpp b/lib/edioutput/AFPacket.cpp
index a58a980..b38c38b 100644
--- a/src/dabOutput/edi/AFPacket.cpp
+++ b/lib/edioutput/AFPacket.cpp
@@ -10,21 +10,21 @@
 
    */
 /*
-   This file is part of ODR-DabMux.
+   This file is part of the ODR-mmbTools.
 
-   ODR-DabMux is free software: you can redistribute it and/or modify
+   This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as
    published by the Free Software Foundation, either version 3 of the
    License, or (at your option) any later version.
 
-   ODR-DabMux is distributed in the hope that it will be useful,
+   This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with ODR-DabMux.  If not, see <http://www.gnu.org/licenses/>.
-   */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
 #include "config.h"
 #include "crc.h"
 #include "AFPacket.h"
@@ -34,7 +34,7 @@
 #include <string>
 #include <iostream>
 #include <cstdio>
-#include <stdint.h>
+#include <cstdint>
 #include <arpa/inet.h>
 
 namespace edi {
diff --git a/src/dabOutput/edi/AFPacket.h b/lib/edioutput/AFPacket.h
index b4ccef1..f2c4e35 100644
--- a/src/dabOutput/edi/AFPacket.h
+++ b/lib/edioutput/AFPacket.h
@@ -10,27 +10,27 @@
 
    */
 /*
-   This file is part of ODR-DabMux.
+   This file is part of the ODR-mmbTools.
 
-   ODR-DabMux is free software: you can redistribute it and/or modify
+   This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as
    published by the Free Software Foundation, either version 3 of the
    License, or (at your option) any later version.
 
-   ODR-DabMux is distributed in the hope that it will be useful,
+   This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with ODR-DabMux.  If not, see <http://www.gnu.org/licenses/>.
-   */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
 
 #pragma once
 
 #include "config.h"
 #include <vector>
-#include <stdint.h>
+#include <cstdint>
 #include "TagItems.h"
 #include "TagPacket.h"
 
diff --git a/src/dabOutput/edi/Config.h b/lib/edioutput/Config.h
index 55d5f0f..ca76322 100644
--- a/src/dabOutput/edi/Config.h
+++ b/lib/edioutput/Config.h
@@ -9,21 +9,21 @@
 
    */
 /*
-   This file is part of ODR-DabMux.
+   This file is part of the ODR-mmbTools.
 
-   ODR-DabMux is free software: you can redistribute it and/or modify
+   This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as
    published by the Free Software Foundation, either version 3 of the
    License, or (at your option) any later version.
 
-   ODR-DabMux is distributed in the hope that it will be useful,
+   This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with ODR-DabMux.  If not, see <http://www.gnu.org/licenses/>.
-   */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
 
 #pragma once
 
@@ -50,11 +50,18 @@ struct udp_destination_t : public destination_t {
 };
 
 // TCP server that can accept multiple connections
-struct tcp_destination_t : public destination_t {
+struct tcp_server_t : public destination_t {
     unsigned int listen_port = 0;
     size_t max_frames_queued = 1024;
 };
 
+// TCP client that connects to one endpoint
+struct tcp_client_t : public destination_t {
+    std::string dest_addr;
+    unsigned int dest_port = 0;
+    size_t max_frames_queued = 1024;
+};
+
 struct configuration_t {
     unsigned chunk_len = 207;        // RSk, data length of each chunk
     unsigned fec       = 0;          // number of fragments that can be recovered
diff --git a/src/dabOutput/edi/Interleaver.cpp b/lib/edioutput/Interleaver.cpp
index f26a50e..f26a50e 100644
--- a/src/dabOutput/edi/Interleaver.cpp
+++ b/lib/edioutput/Interleaver.cpp
diff --git a/src/dabOutput/edi/Interleaver.h b/lib/edioutput/Interleaver.h
index f1cff30..3029d5d 100644
--- a/src/dabOutput/edi/Interleaver.h
+++ b/lib/edioutput/Interleaver.h
@@ -13,21 +13,21 @@
 
    */
 /*
-   This file is part of ODR-DabMux.
+   This file is part of the ODR-mmbTools.
 
-   ODR-DabMux is free software: you can redistribute it and/or modify
+   This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as
    published by the Free Software Foundation, either version 3 of the
    License, or (at your option) any later version.
 
-   ODR-DabMux is distributed in the hope that it will be useful,
+   This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with ODR-DabMux.  If not, see <http://www.gnu.org/licenses/>.
-   */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
 
 #pragma once
 
@@ -35,7 +35,7 @@
 #include <vector>
 #include <deque>
 #include <stdexcept>
-#include <stdint.h>
+#include <cstdint>
 #include "Log.h"
 #include "PFT.h"
 
diff --git a/src/dabOutput/edi/PFT.cpp b/lib/edioutput/PFT.cpp
index 5b93016..371d36f 100644
--- a/src/dabOutput/edi/PFT.cpp
+++ b/lib/edioutput/PFT.cpp
@@ -14,28 +14,28 @@
 
    */
 /*
-   This file is part of ODR-DabMux.
+   This file is part of the ODR-mmbTools.
 
-   ODR-DabMux is free software: you can redistribute it and/or modify
+   This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as
    published by the Free Software Foundation, either version 3 of the
    License, or (at your option) any later version.
 
-   ODR-DabMux is distributed in the hope that it will be useful,
+   This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with ODR-DabMux.  If not, see <http://www.gnu.org/licenses/>.
-   */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
 
 #include "config.h"
 #include <vector>
 #include <list>
 #include <cstdio>
 #include <cstring>
-#include <stdint.h>
+#include <cstdint>
 #include <arpa/inet.h>
 #include <stdexcept>
 #include <sstream>
@@ -314,7 +314,7 @@ std::vector< PFTFragment > PFT::Assemble(AFPacket af_packet)
 
 #if 0
         fprintf(stderr, "* PFT pseq %d, findex %d, fcount %d, plen %d\n",
-                m_pseq, findex, fcount, plen & ~0x8000);
+                m_pseq, findex, fcount, plen & ~0xC000);
 #endif
     }
 
diff --git a/src/dabOutput/edi/PFT.h b/lib/edioutput/PFT.h
index 4076bf3..0ff4839 100644
--- a/src/dabOutput/edi/PFT.h
+++ b/lib/edioutput/PFT.h
@@ -14,21 +14,21 @@
 
    */
 /*
-   This file is part of ODR-DabMux.
+   This file is part of the ODR-mmbTools.
 
-   ODR-DabMux is free software: you can redistribute it and/or modify
+   This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as
    published by the Free Software Foundation, either version 3 of the
    License, or (at your option) any later version.
 
-   ODR-DabMux is distributed in the hope that it will be useful,
+   This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with ODR-DabMux.  If not, see <http://www.gnu.org/licenses/>.
-   */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
 
 #pragma once
 
@@ -36,11 +36,11 @@
 #include <vector>
 #include <list>
 #include <stdexcept>
-#include <stdint.h>
+#include <cstdint>
 #include "AFPacket.h"
 #include "Log.h"
 #include "ReedSolomon.h"
-#include "dabOutput/edi/Config.h"
+#include "Config.h"
 
 namespace edi {
 
diff --git a/src/dabOutput/edi/TagItems.cpp b/lib/edioutput/TagItems.cpp
index dfb4934..35a6852 100644
--- a/src/dabOutput/edi/TagItems.cpp
+++ b/lib/edioutput/TagItems.cpp
@@ -10,32 +10,40 @@
 
    */
 /*
-   This file is part of ODR-DabMux.
+   This file is part of the ODR-mmbTools.
 
-   ODR-DabMux is free software: you can redistribute it and/or modify
+   This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as
    published by the Free Software Foundation, either version 3 of the
    License, or (at your option) any later version.
 
-   ODR-DabMux is distributed in the hope that it will be useful,
+   This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with ODR-DabMux.  If not, see <http://www.gnu.org/licenses/>.
-   */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
 
 #include "config.h"
 #include "TagItems.h"
 #include <vector>
 #include <iostream>
 #include <string>
-#include <stdint.h>
+#include <cstdint>
 #include <stdexcept>
 
 namespace edi {
 
+TagStarPTR::TagStarPTR(const std::string& protocol)
+    : m_protocol(protocol)
+{
+    if (m_protocol.size() != 4) {
+        throw std::runtime_error("TagStarPTR protocol invalid length");
+    }
+}
+
 std::vector<uint8_t> TagStarPTR::Assemble()
 {
     //std::cerr << "TagItem *ptr" << std::endl;
@@ -47,8 +55,7 @@ std::vector<uint8_t> TagStarPTR::Assemble()
     packet.push_back(0);
     packet.push_back(0x40);
 
-    std::string protocol("DETI");
-    packet.insert(packet.end(), protocol.begin(), protocol.end());
+    packet.insert(packet.end(), m_protocol.begin(), m_protocol.end());
 
     // Major
     packet.push_back(0);
@@ -193,6 +200,166 @@ std::vector<uint8_t> TagESTn::Assemble()
     return packet;
 }
 
+std::vector<uint8_t> TagDSTI::Assemble()
+{
+    std::string pack_data("dsti");
+    std::vector<uint8_t> packet(pack_data.begin(), pack_data.end());
+    packet.reserve(256);
+
+    // Placeholder for length
+    packet.push_back(0);
+    packet.push_back(0);
+    packet.push_back(0);
+    packet.push_back(0);
+
+    uint8_t dfctl = dflc % 250;
+    uint8_t dfcth = dflc / 250;
+
+
+    uint16_t dstiHeader = dfctl | (dfcth << 8) | (rfadf << 13) | (atstf << 14) | (stihf << 15);
+    packet.push_back(dstiHeader >> 8);
+    packet.push_back(dstiHeader & 0xFF);
+
+    if (stihf) {
+        packet.push_back(stat);
+        packet.push_back((spid >> 8) & 0xFF);
+        packet.push_back(spid & 0xFF);
+    }
+
+    if (atstf) {
+        packet.push_back(utco);
+
+        packet.push_back((seconds >> 24) & 0xFF);
+        packet.push_back((seconds >> 16) & 0xFF);
+        packet.push_back((seconds >> 8) & 0xFF);
+        packet.push_back(seconds & 0xFF);
+
+        packet.push_back((tsta >> 16) & 0xFF);
+        packet.push_back((tsta >> 8) & 0xFF);
+        packet.push_back(tsta & 0xFF);
+    }
+
+    if (rfadf) {
+        for (size_t i = 0; i < rfad.size(); i++) {
+            packet.push_back(rfad[i]);
+        }
+    }
+    // calculate and update size
+    // remove TAG name and TAG length fields and convert to bits
+    uint32_t taglength = (packet.size() - 8) * 8;
+
+    // write length into packet
+    packet[4] = (taglength >> 24) & 0xFF;
+    packet[5] = (taglength >> 16) & 0xFF;
+    packet[6] = (taglength >> 8) & 0xFF;
+    packet[7] = taglength & 0xFF;
+
+    dflc = (dflc+1) % 5000;
+
+    /*
+    std::cerr << "TagItem dsti, packet.size " << packet.size() << std::endl;
+    std::cerr << "              length " << taglength / 8 << std::endl;
+    */
+    return packet;
+}
+
+void TagDSTI::set_edi_time(const std::time_t t, int tai_utc_offset)
+{
+    utco = tai_utc_offset - 32;
+
+    const std::time_t posix_timestamp_1_jan_2000 = 946684800;
+
+    seconds = t - posix_timestamp_1_jan_2000 + utco;
+}
+
+#if 0
+/* Update the EDI time. t is in UTC, TAI offset is requested from adjtimex */
+void TagDSTI::set_edi_time(const std::time_t t)
+{
+    if (tai_offset_cache_updated_at == 0 or tai_offset_cache_updated_at + 3600 < t) {
+        struct timex timex_request;
+        timex_request.modes = 0;
+
+        int err = adjtimex(&timex_request);
+        if (err == -1) {
+            throw std::runtime_error("adjtimex failed");
+        }
+
+        if (timex_request.tai == 0) {
+            throw std::runtime_error("CLOCK_TAI is not properly set up");
+        }
+        tai_offset_cache = timex_request.tai;
+        tai_offset_cache_updated_at = t;
+
+        fprintf(stderr, "adjtimex: %d, tai %d\n", err, timex_request.tai);
+    }
+
+    utco = tai_offset_cache - 32;
+
+    const std::time_t posix_timestamp_1_jan_2000 = 946684800;
+
+    seconds = t - posix_timestamp_1_jan_2000 + utco;
+}
+#endif
+
+std::vector<uint8_t> TagSSm::Assemble()
+{
+    std::string pack_data("ss");
+    std::vector<uint8_t> packet(pack_data.begin(), pack_data.end());
+    packet.reserve(istd_length + 16);
+
+    packet.push_back((id >> 8) & 0xFF);
+    packet.push_back(id & 0xFF);
+
+    // Placeholder for length
+    packet.push_back(0);
+    packet.push_back(0);
+    packet.push_back(0);
+    packet.push_back(0);
+
+    if (rfa > 0x1F) {
+        throw std::runtime_error("TagSSm: invalid RFA value");
+    }
+
+    if (tid > 0x7) {
+        throw std::runtime_error("TagSSm: invalid tid value");
+    }
+
+    if (tidext > 0x7) {
+        throw std::runtime_error("TagSSm: invalid tidext value");
+    }
+
+    if (stid > 0x0FFF) {
+        throw std::runtime_error("TagSSm: invalid stid value");
+    }
+
+    uint32_t istc = (rfa << 19) | (tid << 16) | (tidext << 13) | ((crcstf ? 1 : 0) << 12) | stid;
+    packet.push_back((istc >> 16) & 0xFF);
+    packet.push_back((istc >> 8) & 0xFF);
+    packet.push_back(istc & 0xFF);
+
+    for (size_t i = 0; i < istd_length; i++) {
+        packet.push_back(istd_data[i]);
+    }
+
+    // calculate and update size
+    // remove TAG name and TAG length fields and convert to bits
+    uint32_t taglength = (packet.size() - 8) * 8;
+
+    // write length into packet
+    packet[4] = (taglength >> 24) & 0xFF;
+    packet[5] = (taglength >> 16) & 0xFF;
+    packet[6] = (taglength >> 8) & 0xFF;
+    packet[7] = taglength & 0xFF;
+
+    /*
+    std::cerr << "TagItem SSm, length " << packet.size() << std::endl;
+    std::cerr << "             istd_length " << istd_length << std::endl;
+    */
+    return packet;
+}
+
+
 std::vector<uint8_t> TagStarDMY::Assemble()
 {
     std::string pack_data("*dmy");
diff --git a/src/dabOutput/edi/TagItems.h b/lib/edioutput/TagItems.h
index b29a142..25daa14 100644
--- a/src/dabOutput/edi/TagItems.h
+++ b/lib/edioutput/TagItems.h
@@ -10,30 +10,30 @@
 
    */
 /*
-   This file is part of ODR-DabMux.
+   This file is part of the ODR-mmbTools.
 
-   ODR-DabMux is free software: you can redistribute it and/or modify
+   This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as
    published by the Free Software Foundation, either version 3 of the
    License, or (at your option) any later version.
 
-   ODR-DabMux is distributed in the hope that it will be useful,
+   This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with ODR-DabMux.  If not, see <http://www.gnu.org/licenses/>.
-   */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
 
 #pragma once
 
 #include "config.h"
-#include "Eti.h"
 #include <vector>
+#include <array>
 #include <chrono>
 #include <string>
-#include <stdint.h>
+#include <cstdint>
 
 namespace edi {
 
@@ -47,7 +47,11 @@ class TagItem
 class TagStarPTR : public TagItem
 {
     public:
+        TagStarPTR(const std::string& protocol);
         std::vector<uint8_t> Assemble();
+
+    private:
+        std::string m_protocol = "";
 };
 
 // ETSI TS 102 693, 5.1.3 DAB ETI(LI) Management (deti)
@@ -133,6 +137,82 @@ class TagESTn : public TagItem
         uint8_t id;
 };
 
+// ETSI TS 102 693, 5.1.2 DAB STI-D(LI) Management
+class TagDSTI : public TagItem
+{
+    public:
+        std::vector<uint8_t> Assemble();
+
+        // dsti Header
+        bool stihf = false;
+        bool atstf = false; // presence of atst data
+        bool rfadf = false;
+        uint16_t dflc = 0; // modulo 5000 frame counter
+
+        // STI Header (optional)
+        uint8_t stat = 0;
+        uint16_t spid = 0;
+
+        /* UTCO: Offset (in seconds) between UTC and the Seconds value. The
+         * value is expressed as an unsigned 8-bit quantity. As of February
+         * 2009, the value shall be 2 and shall change as a result of each
+         * modification of the number of leap seconds, as proscribed by
+         * International Earth Rotation and Reference Systems Service (IERS).
+         *
+         * According to Annex F
+         *  EDI = TAI - 32s (constant)
+         *  EDI = UTC + UTCO
+         * we derive
+         *  UTCO = TAI-UTC - 32
+         * where the TAI-UTC offset is given by the USNO bulletin using
+         * the ClockTAI module.
+         */
+        uint8_t utco = 0;
+
+        /* Update the EDI time. t is in UTC */
+        void set_edi_time(const std::time_t t, int tai_utc_offset);
+
+        /* The number of SI seconds since 2000-01-01 T 00:00:00 UTC as an
+         * unsigned 32-bit quantity. Contrary to POSIX, this value also
+         * counts leap seconds.
+         */
+        uint32_t seconds = 0;
+
+        /* TSTA: Shall be the 24 least significant bits of the Time Stamp
+         * (TIST) field from the STI-D(LI) Frame. The full definition for the
+         * STI TIST can be found in annex B of EN 300 797 [4]. The most
+         * significant 8 bits of the TIST field of the incoming STI-D(LI)
+         * frame, if required, may be carried in the RFAD field.
+         */
+        uint32_t tsta = 0xFFFFFF;
+
+        std::array<uint8_t, 9> rfad;
+
+    private:
+        int tai_offset_cache = 0;
+        std::time_t tai_offset_cache_updated_at = 0;
+};
+
+// ETSI TS 102 693, 5.1.4 STI-D Payload Stream <m>
+class TagSSm : public TagItem
+{
+    public:
+        std::vector<uint8_t> Assemble();
+
+        // SSTCn
+        uint8_t rfa = 0;
+        uint8_t tid = 0; // See EN 300 797, 5.4.1.1. Value 0 means "MSC sub-channel"
+        uint8_t tidext = 0; // EN 300 797, 5.4.1.3, Value 0 means "MSC audio stream"
+        bool crcstf = false;
+        uint16_t stid = 0;
+
+        // Pointer to ISTDm data
+        const uint8_t *istd_data;
+        size_t istd_length; // bytes
+
+        uint16_t id = 0;
+};
+
 // ETSI TS 102 821, 5.2.2.2 Dummy padding
 class TagStarDMY : public TagItem
 {
diff --git a/src/dabOutput/edi/TagPacket.cpp b/lib/edioutput/TagPacket.cpp
index b16dc33..b0bf9a1 100644
--- a/src/dabOutput/edi/TagPacket.cpp
+++ b/lib/edioutput/TagPacket.cpp
@@ -8,31 +8,30 @@
     This defines a TAG Packet.
    */
 /*
-   This file is part of ODR-DabMux.
+   This file is part of the ODR-mmbTools.
 
-   ODR-DabMux is free software: you can redistribute it and/or modify
+   This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as
    published by the Free Software Foundation, either version 3 of the
    License, or (at your option) any later version.
 
-   ODR-DabMux is distributed in the hope that it will be useful,
+   This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with ODR-DabMux.  If not, see <http://www.gnu.org/licenses/>.
-   */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
 
 #include "config.h"
-#include "Eti.h"
 #include "TagPacket.h"
 #include "TagItems.h"
 #include <vector>
 #include <iostream>
 #include <string>
 #include <list>
-#include <stdint.h>
+#include <cstdint>
 #include <cassert>
 
 namespace edi {
diff --git a/src/dabOutput/edi/TagPacket.h b/lib/edioutput/TagPacket.h
index a861cbb..1e40ce7 100644
--- a/src/dabOutput/edi/TagPacket.h
+++ b/lib/edioutput/TagPacket.h
@@ -8,21 +8,21 @@
     This defines a TAG Packet.
    */
 /*
-   This file is part of ODR-DabMux.
+   This file is part of the ODR-mmbTools.
 
-   ODR-DabMux is free software: you can redistribute it and/or modify
+   This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as
    published by the Free Software Foundation, either version 3 of the
    License, or (at your option) any later version.
 
-   ODR-DabMux is distributed in the hope that it will be useful,
+   This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with ODR-DabMux.  If not, see <http://www.gnu.org/licenses/>.
-   */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
 
 #pragma once
 
@@ -31,7 +31,7 @@
 #include <vector>
 #include <string>
 #include <list>
-#include <stdint.h>
+#include <cstdint>
 
 namespace edi {
 
diff --git a/src/dabOutput/edi/Transport.cpp b/lib/edioutput/Transport.cpp
index d99e987..0d5c237 100644
--- a/src/dabOutput/edi/Transport.cpp
+++ b/lib/edioutput/Transport.cpp
@@ -9,22 +9,21 @@
 
    */
 /*
-   This file is part of ODR-DabMux.
+   This file is part of the ODR-mmbTools.
 
-   ODR-DabMux is free software: you can redistribute it and/or modify
+   This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as
    published by the Free Software Foundation, either version 3 of the
    License, or (at your option) any later version.
 
-   ODR-DabMux is distributed in the hope that it will be useful,
+   This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with ODR-DabMux.  If not, see <http://www.gnu.org/licenses/>.
-   */
-
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
 #include "Transport.h"
 #include <iterator>
 
@@ -45,12 +44,16 @@ void configuration_t::print() const
             }
             etiLog.level(info) << "  source port " << udp_dest->source_port;
         }
-        else if (auto tcp_dest = dynamic_pointer_cast<edi::tcp_destination_t>(edi_dest)) {
+        else if (auto tcp_dest = dynamic_pointer_cast<edi::tcp_server_t>(edi_dest)) {
             etiLog.level(info) << " TCP listening on port " << tcp_dest->listen_port;
             etiLog.level(info) << "  max frames queued    " << tcp_dest->max_frames_queued;
         }
+        else if (auto tcp_dest = dynamic_pointer_cast<edi::tcp_client_t>(edi_dest)) {
+            etiLog.level(info) << " TCP client connecting to " << tcp_dest->dest_addr << ":" << tcp_dest->dest_port;
+            etiLog.level(info) << "  max frames queued    " << tcp_dest->max_frames_queued;
+        }
         else {
-            throw std::logic_error("EDI destination not implemented");
+            throw logic_error("EDI destination not implemented");
         }
     }
     if (interleaver_enabled()) {
@@ -69,28 +72,27 @@ Sender::Sender(const configuration_t& conf) :
 
     for (const auto& edi_dest : m_conf.destinations) {
         if (const auto udp_dest = dynamic_pointer_cast<edi::udp_destination_t>(edi_dest)) {
-            auto udp_socket = std::make_shared<UdpSocket>(udp_dest->source_port);
+            auto udp_socket = std::make_shared<Socket::UDPSocket>(udp_dest->source_port);
 
             if (not udp_dest->source_addr.empty()) {
-                int err = udp_socket->setMulticastSource(udp_dest->source_addr.c_str());
-                if (err) {
-                    throw runtime_error("EDI socket set source failed!");
-                }
-                err = udp_socket->setMulticastTTL(udp_dest->ttl);
-                if (err) {
-                    throw runtime_error("EDI socket set TTL failed!");
-                }
+                udp_socket->setMulticastSource(udp_dest->source_addr.c_str());
+                udp_socket->setMulticastTTL(udp_dest->ttl);
             }
 
             udp_sockets.emplace(udp_dest.get(), udp_socket);
         }
-        else if (auto tcp_dest = dynamic_pointer_cast<edi::tcp_destination_t>(edi_dest)) {
-            auto dispatcher = make_shared<TCPDataDispatcher>(tcp_dest->max_frames_queued);
+        else if (auto tcp_dest = dynamic_pointer_cast<edi::tcp_server_t>(edi_dest)) {
+            auto dispatcher = make_shared<Socket::TCPDataDispatcher>(tcp_dest->max_frames_queued);
             dispatcher->start(tcp_dest->listen_port, "0.0.0.0");
             tcp_dispatchers.emplace(tcp_dest.get(), dispatcher);
         }
+        else if (auto tcp_dest = dynamic_pointer_cast<edi::tcp_client_t>(edi_dest)) {
+            auto tcp_socket = make_shared<Socket::TCPSocket>();
+            tcp_socket->connect(tcp_dest->dest_addr, tcp_dest->dest_port);
+            tcp_senders.emplace(tcp_dest.get(), tcp_socket);
+        }
         else {
-            throw std::logic_error("EDI destination not implemented");
+            throw logic_error("EDI destination not implemented");
         }
     }
 
@@ -117,7 +119,7 @@ void Sender::write(const TagPacket& tagpacket)
         vector<edi::PFTFragment> edi_fragments = edi_pft.Assemble(af_packet);
 
         if (m_conf.verbose) {
-            fprintf(stderr, "EDI number of PFT fragment before interleaver %zu",
+            fprintf(stderr, "EDI number of PFT fragment before interleaver %zu\n",
                     edi_fragments.size());
         }
 
@@ -129,28 +131,30 @@ void Sender::write(const TagPacket& tagpacket)
         for (const auto& edi_frag : edi_fragments) {
             for (auto& dest : m_conf.destinations) {
                 if (const auto& udp_dest = dynamic_pointer_cast<edi::udp_destination_t>(dest)) {
-                    InetAddress addr;
-                    addr.setAddress(udp_dest->dest_addr.c_str());
-                    addr.setPort(m_conf.dest_port);
+                    Socket::InetAddress addr;
+                    addr.resolveUdpDestination(udp_dest->dest_addr, m_conf.dest_port);
 
                     udp_sockets.at(udp_dest.get())->send(edi_frag, addr);
                 }
-                else if (auto tcp_dest = dynamic_pointer_cast<edi::tcp_destination_t>(dest)) {
+                else if (auto tcp_dest = dynamic_pointer_cast<edi::tcp_server_t>(dest)) {
                     tcp_dispatchers.at(tcp_dest.get())->write(edi_frag);
                 }
+                else if (auto tcp_dest = dynamic_pointer_cast<edi::tcp_client_t>(dest)) {
+                    tcp_senders.at(tcp_dest.get())->sendall(edi_frag.data(), edi_frag.size());
+                }
                 else {
-                    throw std::logic_error("EDI destination not implemented");
+                    throw logic_error("EDI destination not implemented");
                 }
             }
 
             if (m_conf.dump) {
-                std::ostream_iterator<uint8_t> debug_iterator(edi_debug_file);
-                std::copy(edi_frag.begin(), edi_frag.end(), debug_iterator);
+                ostream_iterator<uint8_t> debug_iterator(edi_debug_file);
+                copy(edi_frag.begin(), edi_frag.end(), debug_iterator);
             }
         }
 
         if (m_conf.verbose) {
-            fprintf(stderr, "EDI number of PFT fragments %zu",
+            fprintf(stderr, "EDI number of PFT fragments %zu\n",
                     edi_fragments.size());
         }
     }
@@ -158,23 +162,25 @@ void Sender::write(const TagPacket& tagpacket)
         // Send over ethernet
         for (auto& dest : m_conf.destinations) {
             if (const auto& udp_dest = dynamic_pointer_cast<edi::udp_destination_t>(dest)) {
-                InetAddress addr;
-                addr.setAddress(udp_dest->dest_addr.c_str());
-                addr.setPort(m_conf.dest_port);
+                Socket::InetAddress addr;
+                addr.resolveUdpDestination(udp_dest->dest_addr, m_conf.dest_port);
 
                 udp_sockets.at(udp_dest.get())->send(af_packet, addr);
             }
-            else if (auto tcp_dest = dynamic_pointer_cast<edi::tcp_destination_t>(dest)) {
+            else if (auto tcp_dest = dynamic_pointer_cast<edi::tcp_server_t>(dest)) {
                 tcp_dispatchers.at(tcp_dest.get())->write(af_packet);
             }
+            else if (auto tcp_dest = dynamic_pointer_cast<edi::tcp_client_t>(dest)) {
+                tcp_senders.at(tcp_dest.get())->sendall(af_packet.data(), af_packet.size());
+            }
             else {
-                throw std::logic_error("EDI destination not implemented");
+                throw logic_error("EDI destination not implemented");
             }
         }
 
         if (m_conf.dump) {
-            std::ostream_iterator<uint8_t> debug_iterator(edi_debug_file);
-            std::copy(af_packet.begin(), af_packet.end(), debug_iterator);
+            ostream_iterator<uint8_t> debug_iterator(edi_debug_file);
+            copy(af_packet.begin(), af_packet.end(), debug_iterator);
         }
     }
 }
diff --git a/src/dabOutput/edi/Transport.h b/lib/edioutput/Transport.h
index 7b0a0db..325acf8 100644
--- a/src/dabOutput/edi/Transport.h
+++ b/lib/edioutput/Transport.h
@@ -9,34 +9,35 @@
 
    */
 /*
-   This file is part of ODR-DabMux.
+   This file is part of the ODR-mmbTools.
 
-   ODR-DabMux is free software: you can redistribute it and/or modify
+   This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as
    published by the Free Software Foundation, either version 3 of the
    License, or (at your option) any later version.
 
-   ODR-DabMux is distributed in the hope that it will be useful,
+   This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with ODR-DabMux.  If not, see <http://www.gnu.org/licenses/>.
-   */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
 
 #pragma once
 
 #include "config.h"
-#include "dabOutput/edi/Config.h"
+#include "Config.h"
 #include "AFPacket.h"
 #include "PFT.h"
 #include "Interleaver.h"
+#include "Socket.h"
 #include <vector>
 #include <unordered_map>
 #include <stdexcept>
+#include <fstream>
 #include <cstdint>
-#include "dabOutput/dabOutput.h"
 
 namespace edi {
 
@@ -61,8 +62,9 @@ class Sender {
         // To mitigate for burst packet loss, PFT fragments can be sent out-of-order
         edi::Interleaver edi_interleaver;
 
-        std::unordered_map<udp_destination_t*, std::shared_ptr<UdpSocket>> udp_sockets;
-        std::unordered_map<tcp_destination_t*, std::shared_ptr<TCPDataDispatcher>> tcp_dispatchers;
+        std::unordered_map<udp_destination_t*, std::shared_ptr<Socket::UDPSocket>> udp_sockets;
+        std::unordered_map<tcp_server_t*, std::shared_ptr<Socket::TCPDataDispatcher>> tcp_dispatchers;
+        std::unordered_map<tcp_client_t*, std::shared_ptr<Socket::TCPSocket>> tcp_senders;
 };
 
 }
diff --git a/src/ConfigParser.cpp b/src/ConfigParser.cpp
index fb49efc..3142bb3 100644
--- a/src/ConfigParser.cpp
+++ b/src/ConfigParser.cpp
@@ -40,6 +40,7 @@
 #include "utils.h"
 #include "DabMux.h"
 #include "ManagementServer.h"
+#include "input/Edi.h"
 #include "input/Prbs.h"
 #include "input/Zmq.h"
 #include "input/File.h"
@@ -876,34 +877,46 @@ static void setup_subchannel_from_ptree(shared_ptr<DabSubchannel>& subchan,
         type = pt.get<string>("type");
     }
     catch (const ptree_error &e) {
-        stringstream ss;
-        ss << "Subchannel with uid " << subchanuid << " has no type defined!";
-        throw runtime_error(ss.str());
+        throw runtime_error("Subchannel with uid " + subchanuid + " has no type defined!");
     }
 
-    /* Both inputfile and inputuri are supported, and are equivalent.
-     * inputuri has precedence
+    /* Up to v2.3.1, both inputfile and inputuri are supported, and are
+     * equivalent.  inputuri has precedence.
+     *
+     * After that, either inputfile or the (inputproto, inputuri) pair must be given, but not both.
      */
     string inputUri = pt.get<string>("inputuri", "");
+    string proto = pt.get<string>("inputproto", "");
 
-    if (inputUri == "") {
+    if (inputUri.empty() and proto.empty()) {
         try {
+            /* Old approach, derives proto from scheme used in the URL.
+             * This makes it impossible to distinguish between ZMQ tcp:// and
+             * EDI tcp://
+             */
             inputUri = pt.get<string>("inputfile");
+            size_t protopos = inputUri.find("://");
+
+            if (protopos == string::npos) {
+                proto = "file";
+            }
+            else {
+                proto = inputUri.substr(0, protopos);
+
+                if (proto == "tcp" or proto == "epgm" or proto == "ipc") {
+                    proto = "zmq";
+                }
+                else if (proto == "sti-rtp") {
+                    proto = "sti";
+                }
+            }
         }
         catch (const ptree_error &e) {
-            stringstream ss;
-            ss << "Subchannel with uid " << subchanuid << " has no inputUri defined!";
-            throw runtime_error(ss.str());
+            throw runtime_error("Subchannel with uid " + subchanuid + " has no input defined!");
         }
     }
-
-    string proto;
-    size_t protopos = inputUri.find("://");
-    if (protopos == string::npos) {
-        proto = "file";
-    }
-    else {
-        proto = inputUri.substr(0, protopos);
+    else if (inputUri.empty() or proto.empty()) {
+        throw runtime_error("Must define both inputuri and inputproto for uid " + subchanuid);
     }
 
     subchan->inputUri = inputUri;
@@ -928,7 +941,7 @@ static void setup_subchannel_from_ptree(shared_ptr<DabSubchannel>& subchan,
                 throw logic_error("Incomplete handling of file input");
             }
         }
-        else if (proto == "tcp"  or proto == "epgm" or proto == "ipc") {
+        else if (proto == "zmq") {
             auto zmqconfig = setup_zmq_input(pt, subchanuid);
 
             if (type == "audio") {
@@ -941,15 +954,11 @@ static void setup_subchannel_from_ptree(shared_ptr<DabSubchannel>& subchan,
                 rcs.enrol(inzmq.get());
                 subchan->input = inzmq;
             }
-
-            if (proto == "epgm") {
-                etiLog.level(warn) << "Using untested epgm:// zeromq input";
-            }
-            else if (proto == "ipc") {
-                etiLog.level(warn) << "Using untested ipc:// zeromq input";
-            }
         }
-        else if (proto == "sti-rtp") {
+        else if (proto == "edi") {
+            subchan->input = make_shared<Inputs::Edi>();
+        }
+        else if (proto == "stp") {
             subchan->input = make_shared<Inputs::Sti_d_Rtp>();
         }
         else {
diff --git a/src/DabMultiplexer.cpp b/src/DabMultiplexer.cpp
index 489787f..0d68ac2 100644
--- a/src/DabMultiplexer.cpp
+++ b/src/DabMultiplexer.cpp
@@ -376,7 +376,7 @@ void DabMultiplexer::mux_frame(std::vector<std::shared_ptr<DabOutput> >& outputs
 
     // For EDI, save ETI(LI) Management data into a TAG Item DETI
     edi::TagDETI edi_tagDETI;
-    edi::TagStarPTR edi_tagStarPtr;
+    edi::TagStarPTR edi_tagStarPtr("DETI");
     map<DabSubchannel*, edi::TagESTn> edi_subchannelToTag;
 
     // The above Tag Items will be assembled into a TAG Packet
diff --git a/src/DabMultiplexer.h b/src/DabMultiplexer.h
index 386c23c..56a8dde 100644
--- a/src/DabMultiplexer.h
+++ b/src/DabMultiplexer.h
@@ -30,15 +30,14 @@
 #endif
 
 #include "dabOutput/dabOutput.h"
-#include "dabOutput/edi/TagItems.h"
-#include "dabOutput/edi/TagPacket.h"
-#include "dabOutput/edi/AFPacket.h"
-#include "dabOutput/edi/Transport.h"
+#include "edioutput/TagItems.h"
+#include "edioutput/TagPacket.h"
+#include "edioutput/AFPacket.h"
+#include "edioutput/Transport.h"
 #include "fig/FIGCarousel.h"
 #include "crc.h"
 #include "utils.h"
-#include "UdpSocket.h"
-#include "InetAddress.h"
+#include "Socket.h"
 #include "PcDebug.h"
 #include "MuxElements.h"
 #include "RemoteControl.h"
diff --git a/src/DabMux.cpp b/src/DabMux.cpp
index 51f0310..578fc63 100644
--- a/src/DabMux.cpp
+++ b/src/DabMux.cpp
@@ -99,8 +99,7 @@ typedef DWORD32 uint32_t;
 
 #include "dabOutput/dabOutput.h"
 #include "crc.h"
-#include "UdpSocket.h"
-#include "InetAddress.h"
+#include "Socket.h"
 #include "PcDebug.h"
 #include "DabMux.h"
 #include "MuxElements.h"
@@ -305,7 +304,7 @@ int main(int argc, char *argv[])
                         edi_conf.destinations.push_back(dest);
                     }
                     else if (proto == "tcp") {
-                        auto dest = make_shared<edi::tcp_destination_t>();
+                        auto dest = make_shared<edi::tcp_server_t>();
                         dest->listen_port = pt_edi_dest.second.get<unsigned int>("listenport");
                         dest->max_frames_queued = pt_edi_dest.second.get<size_t>("max_frames_queued", 500);
                         edi_conf.destinations.push_back(dest);
diff --git a/src/InetAddress.cpp b/src/InetAddress.cpp
deleted file mode 100644
index 7660263..0000000
--- a/src/InetAddress.cpp
+++ /dev/null
@@ -1,155 +0,0 @@
-/*
-   Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Her Majesty the
-   Queen in Right of Canada (Communications Research Center Canada)
-
-   Copyright (C) 2016
-   Matthias P. Braendli, matthias.braendli@mpb.li
-
-    http://www.opendigitalradio.org
-   */
-/*
-   This file is part of ODR-DabMux.
-
-   ODR-DabMux is free software: you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as
-   published by the Free Software Foundation, either version 3 of the
-   License, or (at your option) any later version.
-
-   ODR-DabMux is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with ODR-DabMux.  If not, see <http://www.gnu.org/licenses/>.
-   */
-
-#include "InetAddress.h"
-#include <iostream>
-#include <stdio.h>
-#include <errno.h>
-#include <string.h>
-
-#ifdef TRACE_ON
-# ifndef TRACE_CLASS
-#  define TRACE_CLASS(clas, func) cout <<"-" <<(clas) <<"\t(" <<this <<")::" <<(func) <<endl
-#  define TRACE_STATIC(clas, func) cout <<"-" <<(clas) <<"\t(static)::" <<(func) <<endl
-# endif
-#else
-# ifndef TRACE_CLASS
-#  define TRACE_CLASS(clas, func)
-#  define TRACE_STATIC(clas, func)
-# endif
-#endif
-
-
-int inetErrNo = 0;
-const char *inetErrMsg = nullptr;
-const char *inetErrDesc = nullptr;
-
-
-/**
- *  Constructs an IP address.
- *  @param port The port of this address
- *  @param name The name of this address
- */
-InetAddress::InetAddress(int port, const char* name) {
-    TRACE_CLASS("InetAddress", "InetAddress(int, char)");
-    addr.sin_family = PF_INET;
-    addr.sin_addr.s_addr = htons(INADDR_ANY);
-    addr.sin_port = htons(port);
-    if (name)
-        setAddress(name);
-}
-
-
-/// Returns the raw IP address of this InetAddress object.
-sockaddr *InetAddress::getAddress() {
-    TRACE_CLASS("InetAddress", "getAddress()");
-    return (sockaddr *)&addr;
-}
-
-
-/// Return the port of this address.
-int InetAddress::getPort()
-{
-    TRACE_CLASS("InetAddress", "getPort()");
-    return ntohs(addr.sin_port);
-}
-
-
-/**
- *  Returns the IP address string "%d.%d.%d.%d".
- *  @return IP address
- */
-const char *InetAddress::getHostAddress() {
-    TRACE_CLASS("InetAddress", "getHostAddress()");
-    return inet_ntoa(addr.sin_addr);
-}
-
-
-/// Returns true if this address is multicast
-bool InetAddress::isMulticastAddress() {
-    TRACE_CLASS("InetAddress", "isMulticastAddress()");
-    return IN_MULTICAST(ntohl(addr.sin_addr.s_addr));		// a modifier
-}
-
-
-/**
- *  Set the port number
- *  @param port The new port number
- */
-void InetAddress::setPort(int port)
-{
-    TRACE_CLASS("InetAddress", "setPort(int)");
-    addr.sin_port = htons(port);
-}
-
-
-/**
- *  Set the address
- *  @param name The new address name
- *  @return 0  if ok
- *          -1 if error
- */
-int InetAddress::setAddress(const std::string& name)
-{
-    TRACE_CLASS("InetAddress", "setAddress(string)");
-    if (!name.empty()) {
-        if (atoi(name.c_str())) {   // If it start with a number
-            if ((addr.sin_addr.s_addr = inet_addr(name.c_str())) == INADDR_NONE) {
-                addr.sin_addr.s_addr = htons(INADDR_ANY);
-                inetErrNo = 0;
-                inetErrMsg = "Invalid address";
-                inetErrDesc = name.c_str();
-                return -1;
-            }
-        }
-        else {            // Assume it's a real name
-            hostent *host = gethostbyname(name.c_str());
-            if (host) {
-                addr.sin_addr = *(in_addr *)(host->h_addr);
-            } else {
-                addr.sin_addr.s_addr = htons(INADDR_ANY);
-                inetErrNo = 0;
-                inetErrMsg = "Could not find address";
-                inetErrDesc = name.c_str();
-                return -1;
-            }
-        }
-    }
-    else {
-        addr.sin_addr.s_addr = INADDR_ANY;
-    }
-    return 0;
-}
-
-
-void setInetError(const char* description)
-{
-    inetErrNo = 0;
-    inetErrNo = errno;
-    inetErrMsg = strerror(inetErrNo);
-    inetErrDesc = description;
-}
-
diff --git a/src/InetAddress.h b/src/InetAddress.h
deleted file mode 100644
index e246d4c..0000000
--- a/src/InetAddress.h
+++ /dev/null
@@ -1,78 +0,0 @@
-/*
-   Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Her Majesty the
-   Queen in Right of Canada (Communications Research Center Canada)
-
-   Copyright (C) 2016
-   Matthias P. Braendli, matthias.braendli@mpb.li
-
-    http://www.opendigitalradio.org
-   */
-/*
-   This file is part of ODR-DabMux.
-
-   ODR-DabMux is free software: you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as
-   published by the Free Software Foundation, either version 3 of the
-   License, or (at your option) any later version.
-
-   ODR-DabMux is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with ODR-DabMux.  If not, see <http://www.gnu.org/licenses/>.
-   */
-
-#ifndef _InetAddress
-#define _InetAddress
-
-#ifdef HAVE_CONFIG_H
-#   include "config.h"
-#endif
-
-#include <stdlib.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <unistd.h>
-#include <netdb.h>
-#include <arpa/inet.h>
-#include <pthread.h>
-#include <string>
-
-#define SOCKET                  int
-#define INVALID_SOCKET          -1
-#define INVALID_PORT            -1
-
-
-/// The last error number
-extern int inetErrNo;
-/// The last error message
-extern const char *inetErrMsg;
-/// The description of the last error
-extern const char *inetErrDesc;
-/// Set the number, message and description of the last error
-void setInetError(const char* description);
-
-
-/**
- *  This class represents an Internet Protocol (IP) address.
- *  @author Pascal Charest pascal.charest@crc.ca
- */
-class InetAddress {
- public:
-  InetAddress(int port = 0, const char* name = NULL);
-
-  sockaddr *getAddress();
-  const char *getHostAddress();
-  int getPort();
-  int setAddress(const std::string& name);
-  void setPort(int port);
-  bool isMulticastAddress();
-
- private:
-  sockaddr_in addr;
-};
-
-
-#endif
diff --git a/src/TcpSocket.cpp b/src/TcpSocket.cpp
deleted file mode 100644
index 3ebe73c..0000000
--- a/src/TcpSocket.cpp
+++ /dev/null
@@ -1,359 +0,0 @@
-/*
-   Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Her Majesty the Queen in
-   Right of Canada (Communications Research Center Canada)
-
-   Copyright (C) 2019
-   Matthias P. Braendli, matthias.braendli@mpb.li
-
-    http://www.opendigitalradio.org
-   */
-/*
-   This file is part of ODR-DabMux.
-
-   ODR-DabMux is free software: you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as
-   published by the Free Software Foundation, either version 3 of the
-   License, or (at your option) any later version.
-
-   ODR-DabMux is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with ODR-DabMux.  If not, see <http://www.gnu.org/licenses/>.
-   */
-
-#include "TcpSocket.h"
-#include "Log.h"
-#include <iostream>
-#include <cstdio>
-#include <cstring>
-#include <cstdint>
-#include <signal.h>
-#include <errno.h>
-#include <poll.h>
-#include <thread>
-
-using namespace std;
-
-using vec_u8 = std::vector<uint8_t>;
-
-
-TcpSocket::TcpSocket() :
-    m_sock(INVALID_SOCKET)
-{
-}
-
-TcpSocket::TcpSocket(int port, const string& name) :
-    m_sock(INVALID_SOCKET)
-{
-    if (port) {
-        if ((m_sock = socket(PF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET) {
-            throw std::runtime_error("Can't create socket");
-        }
-
-        reuseopt_t reuse = 1;
-        if (setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &reuse, sizeof(reuse))
-                == SOCKET_ERROR) {
-            throw std::runtime_error("Can't reuse address");
-        }
-
-#if defined(HAVE_SO_NOSIGPIPE)
-        int val = 1;
-        if (setsockopt(m_sock, SOL_SOCKET, SO_NOSIGPIPE, &val, sizeof(val))
-                == SOCKET_ERROR) {
-            throw std::runtime_error("Can't set SO_NOSIGPIPE");
-        }
-#endif
-
-        m_own_address.setAddress(name);
-        m_own_address.setPort(port);
-
-        if (::bind(m_sock, m_own_address.getAddress(), sizeof(sockaddr_in)) == SOCKET_ERROR) {
-            ::close(m_sock);
-            m_sock = INVALID_SOCKET;
-            throw std::runtime_error("Can't bind socket");
-        }
-    }
-}
-
-TcpSocket::TcpSocket(SOCKET sock, InetAddress own, InetAddress remote) :
-    m_own_address(own),
-    m_remote_address(remote),
-    m_sock(sock) { }
-
-// The move constructors must ensure the moved-from
-// TcpSocket won't destroy our socket handle
-TcpSocket::TcpSocket(TcpSocket&& other)
-{
-    m_sock = other.m_sock;
-    other.m_sock = INVALID_SOCKET;
-
-    m_own_address = other.m_own_address;
-    m_remote_address = other.m_remote_address;
-}
-
-TcpSocket& TcpSocket::operator=(TcpSocket&& other)
-{
-    m_sock = other.m_sock;
-    other.m_sock = INVALID_SOCKET;
-
-    m_own_address = other.m_own_address;
-    m_remote_address = other.m_remote_address;
-    return *this;
-}
-
-/**
- *  Close the underlying socket.
- *  @return 0  if ok
- *          -1 if error
- */
-int TcpSocket::close()
-{
-    if (m_sock != INVALID_SOCKET) {
-        int res = ::close(m_sock);
-        if (res != 0) {
-            setInetError("Can't close socket");
-            return -1;
-        }
-        m_sock = INVALID_SOCKET;
-    }
-    return 0;
-}
-
-TcpSocket::~TcpSocket()
-{
-    close();
-}
-
-bool TcpSocket::isValid()
-{
-    return m_sock != INVALID_SOCKET;
-}
-
-ssize_t TcpSocket::recv(void* data, size_t size)
-{
-    ssize_t ret = ::recv(m_sock, (char*)data, size, 0);
-    if (ret == SOCKET_ERROR) {
-        stringstream ss;
-        ss << "TCP Socket recv error: " << strerror(errno);
-        throw std::runtime_error(ss.str());
-    }
-    return ret;
-}
-
-
-ssize_t TcpSocket::send(const void* data, size_t size, int timeout_ms)
-{
-    if (timeout_ms) {
-        struct pollfd fds[1];
-        fds[0].fd = m_sock;
-        fds[0].events = POLLOUT;
-
-        const int retval = poll(fds, 1, timeout_ms);
-
-        if (retval == -1) {
-            stringstream ss;
-            ss << "TCP Socket send error on poll(): " << strerror(errno);
-            throw std::runtime_error(ss.str());
-        }
-        else if (retval == 0) {
-            // Timed out
-            return 0;
-        }
-    }
-
-    /* On Linux, the MSG_NOSIGNAL flag ensures that the process would not
-     * receive a SIGPIPE and die.
-     * Other systems have SO_NOSIGPIPE set on the socket for the same effect. */
-#if defined(HAVE_MSG_NOSIGNAL)
-    const int flags = MSG_NOSIGNAL;
-#else
-    const int flags = 0;
-#endif
-    const ssize_t ret = ::send(m_sock, (const char*)data, size, flags);
-
-    if (ret == SOCKET_ERROR) {
-        stringstream ss;
-        ss << "TCP Socket send error: " << strerror(errno);
-        throw std::runtime_error(ss.str());
-    }
-    return ret;
-}
-
-void TcpSocket::listen()
-{
-    if (::listen(m_sock, 1) == SOCKET_ERROR) {
-        stringstream ss;
-        ss << "TCP Socket listen error: " << strerror(errno);
-        throw std::runtime_error(ss.str());
-    }
-}
-
-TcpSocket TcpSocket::accept()
-{
-    InetAddress remote_addr;
-    socklen_t addrLen = sizeof(sockaddr_in);
-
-    SOCKET socket = ::accept(m_sock, remote_addr.getAddress(), &addrLen);
-    if (socket == SOCKET_ERROR) {
-        stringstream ss;
-        ss << "TCP Socket accept error: " << strerror(errno);
-        throw std::runtime_error(ss.str());
-    }
-    else {
-        TcpSocket client(socket, m_own_address, remote_addr);
-        return client;
-    }
-}
-
-TcpSocket TcpSocket::accept(int timeout_ms)
-{
-    struct pollfd fds[1];
-    fds[0].fd = m_sock;
-    fds[0].events = POLLIN | POLLOUT;
-
-    int retval = poll(fds, 1, timeout_ms);
-
-    if (retval == -1) {
-        stringstream ss;
-        ss << "TCP Socket accept error: " << strerror(errno);
-        throw std::runtime_error(ss.str());
-    }
-    else if (retval) {
-        return accept();
-    }
-    else {
-        TcpSocket invalidsock(0, "");
-        return invalidsock;
-    }
-}
-
-
-InetAddress TcpSocket::getOwnAddress() const
-{
-    return m_own_address;
-}
-
-InetAddress TcpSocket::getRemoteAddress() const
-{
-    return m_remote_address;
-}
-
-
-TCPConnection::TCPConnection(TcpSocket&& sock) :
-            queue(),
-            m_running(true),
-            m_sender_thread(),
-            m_sock(move(sock))
-{
-    auto own_addr = m_sock.getOwnAddress();
-    auto addr = m_sock.getRemoteAddress();
-    etiLog.level(debug) << "New TCP Connection on port " <<
-        own_addr.getPort() << " from " <<
-        addr.getHostAddress() << ":" << addr.getPort();
-    m_sender_thread = std::thread(&TCPConnection::process, this);
-}
-
-TCPConnection::~TCPConnection()
-{
-    m_running = false;
-    vec_u8 termination_marker;
-    queue.push(termination_marker);
-    m_sender_thread.join();
-}
-
-void TCPConnection::process()
-{
-    while (m_running) {
-        vec_u8 data;
-        queue.wait_and_pop(data);
-
-        if (data.empty()) {
-            // empty vector is the termination marker
-            m_running = false;
-            break;
-        }
-
-        try {
-            ssize_t remaining = data.size();
-            const uint8_t *buf = reinterpret_cast<const uint8_t*>(data.data());
-            const int timeout_ms = 10; // Less than one ETI frame
-
-            while (m_running and remaining > 0) {
-                const ssize_t sent = m_sock.send(buf, remaining, timeout_ms);
-                if (sent < 0 or sent > remaining) {
-                    throw std::logic_error("Invalid TcpSocket::send() return value");
-                }
-                remaining -= sent;
-                buf += sent;
-            }
-        }
-        catch (const std::runtime_error& e) {
-            m_running = false;
-        }
-    }
-
-
-    auto own_addr = m_sock.getOwnAddress();
-    auto addr = m_sock.getRemoteAddress();
-    etiLog.level(debug) << "Dropping TCP Connection on port " <<
-        own_addr.getPort() << " from " <<
-        addr.getHostAddress() << ":" << addr.getPort();
-}
-
-
-TCPDataDispatcher::TCPDataDispatcher(size_t max_queue_size) :
-    m_max_queue_size(max_queue_size)
-{
-}
-
-TCPDataDispatcher::~TCPDataDispatcher()
-{
-    m_running = false;
-    m_connections.clear();
-    m_listener_socket.close();
-    m_listener_thread.join();
-}
-
-void TCPDataDispatcher::start(int port, const string& address)
-{
-    TcpSocket sock(port, address);
-    m_listener_socket = move(sock);
-
-    m_running = true;
-    m_listener_thread = std::thread(&TCPDataDispatcher::process, this);
-}
-
-void TCPDataDispatcher::write(const vec_u8& data)
-{
-    for (auto& connection : m_connections) {
-        connection.queue.push(data);
-    }
-
-    m_connections.remove_if(
-            [&](const TCPConnection& conn){ return conn.queue.size() > m_max_queue_size; });
-}
-
-void TCPDataDispatcher::process()
-{
-    try {
-        m_listener_socket.listen();
-
-        const int timeout_ms = 1000;
-
-        while (m_running) {
-            // Add a new TCPConnection to the list, constructing it from the client socket
-            auto sock = m_listener_socket.accept(timeout_ms);
-            if (sock.isValid()) {
-                m_connections.emplace(m_connections.begin(), move(sock));
-            }
-        }
-    }
-    catch (const std::runtime_error& e) {
-        etiLog.level(error) << "TCPDataDispatcher caught runtime error: " << e.what();
-        m_running = false;
-    }
-}
-
diff --git a/src/TcpSocket.h b/src/TcpSocket.h
deleted file mode 100644
index ec7afd3..0000000
--- a/src/TcpSocket.h
+++ /dev/null
@@ -1,164 +0,0 @@
-/*
-   Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Her Majesty the Queen in
-   Right of Canada (Communications Research Center Canada)
-
-   Copyright (C) 2019
-   Matthias P. Braendli, matthias.braendli@mpb.li
-
-    http://www.opendigitalradio.org
-   */
-/*
-   This file is part of ODR-DabMux.
-
-   ODR-DabMux is free software: you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as
-   published by the Free Software Foundation, either version 3 of the
-   License, or (at your option) any later version.
-
-   ODR-DabMux is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with ODR-DabMux.  If not, see <http://www.gnu.org/licenses/>.
-   */
-
-#ifndef _TCPSOCKET
-#define _TCPSOCKET
-
-#ifdef HAVE_CONFIG_H
-#   include "config.h"
-#endif
-
-#include "InetAddress.h"
-#include "ThreadsafeQueue.h"
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <unistd.h>
-#include <netdb.h>
-#include <arpa/inet.h>
-#include <pthread.h>
-#define SOCKET           int
-#define INVALID_SOCKET   -1
-#define SOCKET_ERROR     -1
-#define reuseopt_t       int
-
-#include <iostream>
-#include <string>
-#include <vector>
-#include <memory>
-#include <atomic>
-#include <thread>
-#include <list>
-
-/**
- *  This class represents a TCP socket.
- */
-class TcpSocket
-{
-    public:
-        /** Create a new socket that does nothing */
-        TcpSocket();
-
-        /** Create a new socket listening for incoming connections.
-         *  @param port The port number on which the socket will listen.
-         *  @param name The IP address on which the socket will be bound.
-         *              It is used to bind the socket on a specific interface if
-         *              the computer have many NICs.
-         */
-        TcpSocket(int port, const std::string& name);
-        ~TcpSocket();
-        TcpSocket(TcpSocket&& other);
-        TcpSocket& operator=(TcpSocket&& other);
-        TcpSocket(const TcpSocket& other) = delete;
-        TcpSocket& operator=(const TcpSocket& other) = delete;
-
-        bool isValid(void);
-
-        int close(void);
-
-        /** Send data over the TCP connection.
-         *  @param data The buffer that will be sent.
-         *  @param size Number of bytes to send.
-         *  @param timeout_ms number of milliseconds before timeout, or 0 for infinite timeout
-         *  return number of bytes sent, 0 on timeout, or throws runtime_error.
-         */
-        ssize_t send(const void* data, size_t size, int timeout_ms=0);
-
-        /** Receive data from the socket.
-         *  @param data The buffer that will receive data.
-         *  @param size The buffer size.
-         *  @return number of bytes received or -1 (SOCKET_ERROR) if error
-         */
-        ssize_t recv(void* data, size_t size);
-
-        void listen(void);
-        TcpSocket accept(void);
-
-        /* Returns either valid socket if a connection was
-         * accepted before the timeout expired, or an invalid
-         * socket otherwise.
-         */
-        TcpSocket accept(int timeout_ms);
-
-        /** Retrieve address this socket is bound to */
-        InetAddress getOwnAddress() const;
-        InetAddress getRemoteAddress() const;
-
-    private:
-        TcpSocket(SOCKET sock, InetAddress own, InetAddress remote);
-
-        /// The address on which the socket is bound.
-        InetAddress m_own_address;
-        InetAddress m_remote_address;
-        /// The low-level socket used by system functions.
-        SOCKET m_sock;
-};
-
-/* Helper class for TCPDataDispatcher, contains a queue of pending data and
- * a sender thread. */
-class TCPConnection
-{
-    public:
-        TCPConnection(TcpSocket&& sock);
-        TCPConnection(const TCPConnection&) = delete;
-        TCPConnection& operator=(const TCPConnection&) = delete;
-        ~TCPConnection();
-
-        ThreadsafeQueue<std::vector<uint8_t> > queue;
-
-    private:
-        std::atomic<bool> m_running;
-        std::thread m_sender_thread;
-        TcpSocket m_sock;
-
-        void process(void);
-};
-
-/* Send a TCP stream to several destinations, and automatically disconnect destinations
- * whose buffer overflows.
- */
-class TCPDataDispatcher
-{
-    public:
-        TCPDataDispatcher(size_t max_queue_size);
-        ~TCPDataDispatcher();
-        TCPDataDispatcher(const TCPDataDispatcher&) = delete;
-        TCPDataDispatcher& operator=(const TCPDataDispatcher&) = delete;
-
-        void start(int port, const std::string& address);
-        void write(const std::vector<uint8_t>& data);
-
-    private:
-        void process(void);
-
-        size_t m_max_queue_size;
-
-        std::atomic<bool> m_running;
-        std::thread m_listener_thread;
-        TcpSocket m_listener_socket;
-        std::list<TCPConnection> m_connections;
-};
-
-#endif // _TCPSOCKET
diff --git a/src/UdpSocket.cpp b/src/UdpSocket.cpp
deleted file mode 100644
index 3d015ec..0000000
--- a/src/UdpSocket.cpp
+++ /dev/null
@@ -1,256 +0,0 @@
-/*
-   Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Her Majesty the
-   Queen in Right of Canada (Communications Research Center Canada)
-
-   Copyright (C) 2017
-   Matthias P. Braendli, matthias.braendli@mpb.li
-
-    http://www.opendigitalradio.org
-   */
-/*
-   This file is part of ODR-DabMux.
-
-   ODR-DabMux is free software: you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as
-   published by the Free Software Foundation, either version 3 of the
-   License, or (at your option) any later version.
-
-   ODR-DabMux is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with ODR-DabMux.  If not, see <http://www.gnu.org/licenses/>.
-   */
-
-#include "UdpSocket.h"
-
-#include <iostream>
-#include <stdio.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <string.h>
-
-using namespace std;
-
-UdpSocket::UdpSocket() :
-    listenSocket(INVALID_SOCKET)
-{
-    reinit(0, "");
-}
-
-UdpSocket::UdpSocket(int port) :
-    listenSocket(INVALID_SOCKET)
-{
-    reinit(port, "");
-}
-
-UdpSocket::UdpSocket(int port, const std::string& name) :
-    listenSocket(INVALID_SOCKET)
-{
-    reinit(port, name);
-}
-
-
-int UdpSocket::setBlocking(bool block)
-{
-    int res;
-    if (block)
-        res = fcntl(listenSocket, F_SETFL, 0);
-    else
-        res = fcntl(listenSocket, F_SETFL, O_NONBLOCK);
-    if (res == SOCKET_ERROR) {
-        setInetError("Can't change blocking state of socket");
-        return -1;
-    }
-    return 0;
-}
-
-int UdpSocket::reinit(int port, const std::string& name)
-{
-    if (listenSocket != INVALID_SOCKET) {
-        ::close(listenSocket);
-    }
-
-    if ((listenSocket = socket(PF_INET, SOCK_DGRAM, 0)) == INVALID_SOCKET) {
-        setInetError("Can't create socket");
-        return -1;
-    }
-    reuseopt_t reuse = 1;
-    if (setsockopt(listenSocket, SOL_SOCKET, SO_REUSEADDR, &reuse, sizeof(reuse))
-            == SOCKET_ERROR) {
-        setInetError("Can't reuse address");
-        return -1;
-    }
-
-    if (port) {
-        address.setAddress(name);
-        address.setPort(port);
-
-        if (::bind(listenSocket, address.getAddress(), sizeof(sockaddr_in)) == SOCKET_ERROR) {
-            setInetError("Can't bind socket");
-            ::close(listenSocket);
-            listenSocket = INVALID_SOCKET;
-            return -1;
-        }
-    }
-    return 0;
-}
-
-int UdpSocket::close()
-{
-    if (listenSocket != INVALID_SOCKET) {
-        ::close(listenSocket);
-    }
-
-    listenSocket = INVALID_SOCKET;
-
-    return 0;
-}
-
-UdpSocket::~UdpSocket()
-{
-    if (listenSocket != INVALID_SOCKET) {
-        ::close(listenSocket);
-    }
-}
-
-
-int UdpSocket::receive(UdpPacket& packet)
-{
-    socklen_t addrSize;
-    addrSize = sizeof(*packet.getAddress().getAddress());
-    ssize_t ret = recvfrom(listenSocket,
-            packet.getData(),
-            packet.getSize(),
-            0,
-            packet.getAddress().getAddress(),
-            &addrSize);
-
-    if (ret == SOCKET_ERROR) {
-        packet.setSize(0);
-        if (errno == EAGAIN) {
-            return 0;
-        }
-        setInetError("Can't receive UDP packet");
-        return -1;
-    }
-
-    packet.setSize(ret);
-    return 0;
-}
-
-int UdpSocket::send(UdpPacket& packet)
-{
-    int ret = sendto(listenSocket, packet.getData(), packet.getSize(), 0,
-            packet.getAddress().getAddress(), sizeof(*packet.getAddress().getAddress()));
-    if (ret == SOCKET_ERROR && errno != ECONNREFUSED) {
-        setInetError("Can't send UDP packet");
-        return -1;
-    }
-    return 0;
-}
-
-
-int UdpSocket::send(const std::vector<uint8_t>& data, InetAddress destination)
-{
-    int ret = sendto(listenSocket, &data[0], data.size(), 0,
-            destination.getAddress(), sizeof(*destination.getAddress()));
-    if (ret == SOCKET_ERROR && errno != ECONNREFUSED) {
-        setInetError("Can't send UDP packet");
-        return -1;
-    }
-    return 0;
-}
-
-
-/**
- *  Must be called to receive data on a multicast address.
- *  @param groupname The multica
-st address to join.
- *  @return 0 if ok, -1 if error
- */
-int UdpSocket::joinGroup(char* groupname)
-{
-    ip_mreqn group;
-    if ((group.imr_multiaddr.s_addr = inet_addr(groupname)) == INADDR_NONE) {
-        setInetError(groupname);
-        return -1;
-    }
-    if (!IN_MULTICAST(ntohl(group.imr_multiaddr.s_addr))) {
-        setInetError("Not a multicast address");
-        return -1;
-    }
-    group.imr_address.s_addr = htons(INADDR_ANY);;
-    group.imr_ifindex = 0;
-    if (setsockopt(listenSocket, IPPROTO_IP, IP_ADD_MEMBERSHIP, &group, sizeof(group))
-            == SOCKET_ERROR) {
-        setInetError("Can't join multicast group");
-    }
-    return 0;
-}
-
-int UdpSocket::setMulticastTTL(int ttl)
-{
-    if (setsockopt(listenSocket, IPPROTO_IP, IP_MULTICAST_TTL, &ttl, sizeof(ttl))
-            == SOCKET_ERROR) {
-        setInetError("Can't set ttl");
-        return -1;
-    }
-
-    return 0;
-}
-
-int UdpSocket::setMulticastSource(const char* source_addr)
-{
-    struct in_addr addr;
-    if (inet_aton(source_addr, &addr) == 0) {
-        setInetError("Can't parse source address");
-        return -1;
-    }
-
-    if (setsockopt(listenSocket, IPPROTO_IP, IP_MULTICAST_IF, &addr, sizeof(addr))
-            == SOCKET_ERROR) {
-        setInetError("Can't set source address");
-        return -1;
-    }
-
-    return 0;
-}
-
-UdpPacket::UdpPacket() { }
-
-UdpPacket::UdpPacket(size_t initSize) :
-    m_buffer(initSize)
-{ }
-
-
-void UdpPacket::setSize(size_t newSize)
-{
-    m_buffer.resize(newSize);
-}
-
-
-uint8_t* UdpPacket::getData()
-{
-    return &m_buffer[0];
-}
-
-
-void UdpPacket::addData(const void *data, size_t size)
-{
-    uint8_t *d = (uint8_t*)data;
-    std::copy(d, d + size, std::back_inserter(m_buffer));
-}
-
-size_t UdpPacket::getSize()
-{
-    return m_buffer.size();
-}
-
-InetAddress UdpPacket::getAddress()
-{
-    return address;
-}
-
diff --git a/src/UdpSocket.h b/src/UdpSocket.h
deleted file mode 100644
index f51e87c..0000000
--- a/src/UdpSocket.h
+++ /dev/null
@@ -1,174 +0,0 @@
-/*
-   Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Her Majesty the
-   Queen in Right of Canada (Communications Research Center Canada)
-
-   Copyright (C) 2017
-   Matthias P. Braendli, matthias.braendli@mpb.li
-
-    http://www.opendigitalradio.org
-   */
-/*
-   This file is part of ODR-DabMux.
-
-   ODR-DabMux is free software: you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as
-   published by the Free Software Foundation, either version 3 of the
-   License, or (at your option) any later version.
-
-   ODR-DabMux is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with ODR-DabMux.  If not, see <http://www.gnu.org/licenses/>.
-   */
-
-#pragma once
-
-#ifdef HAVE_CONFIG_H
-#   include "config.h"
-#endif
-
-#include "InetAddress.h"
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <unistd.h>
-#include <netdb.h>
-#include <arpa/inet.h>
-#include <pthread.h>
-#define SOCKET           int
-#define INVALID_SOCKET   -1
-#define SOCKET_ERROR     -1
-#define reuseopt_t       int
-
-#include <stdlib.h>
-#include <iostream>
-#include <vector>
-
-class UdpPacket;
-
-
-/**
- *  This class represents a socket for sending and receiving UDP packets.
- *
- *  A UDP socket is the sending or receiving point for a packet delivery service.
- *  Each packet sent or received on a datagram socket is individually
- *  addressed and routed. Multiple packets sent from one machine to another may
- *  be routed differently, and may arrive in any order.
- */
-class UdpSocket
-{
-    public:
-        /** Create a new socket that will not be bound to any port. To be used
-         * for data output.
-         */
-        UdpSocket();
-        /** Create a new socket.
-         *  @param port The port number on which the socket will be bound
-         */
-        UdpSocket(int port);
-        /** Create a new socket.
-         *  @param port The port number on which the socket will be bound
-         *  @param name The IP address on which the socket will be bound.
-         *              It is used to bind the socket on a specific interface if
-         *              the computer have many NICs.
-         */
-        UdpSocket(int port, const std::string& name);
-        ~UdpSocket();
-        UdpSocket(const UdpSocket& other) = delete;
-        const UdpSocket& operator=(const UdpSocket& other) = delete;
-
-        /** reinitialise socket. Close the already open socket, and
-         * create a new one
-         */
-        int reinit(int port, const std::string& name);
-
-        /** Close the socket
-         */
-        int close(void);
-
-        /** Send an UDP packet.
-         *  @param packet The UDP packet to be sent. It includes the data and the
-         *                destination address
-         *  return 0 if ok, -1 if error
-         */
-        int send(UdpPacket& packet);
-
-        /** Send an UDP packet
-         *
-         *  return 0 if ok, -1 if error
-         */
-        int send(const std::vector<uint8_t>& data, InetAddress destination);
-
-        /** Receive an UDP packet.
-         *  @param packet The packet that will receive the data. The address will be set
-         *                to the source address.
-         *  @return 0 if ok, -1 if error
-         */
-        int receive(UdpPacket& packet);
-
-        int joinGroup(char* groupname);
-        int setMulticastSource(const char* source_addr);
-        int setMulticastTTL(int ttl);
-
-        /** Set blocking mode. By default, the socket is blocking.
-         *  @return 0  if ok
-         *          -1 if error
-         */
-        int setBlocking(bool block);
-
-    protected:
-
-        /// The address on which the socket is bound.
-        InetAddress address;
-        /// The low-level socket used by system functions.
-        SOCKET listenSocket;
-};
-
-/** This class represents a UDP packet.
- *
- *  A UDP packet contains a payload (sequence of bytes) and an address. For
- *  outgoing packets, the address is the destination address. For incoming
- *  packets, the address tells the user from what source the packet arrived from.
- */
-class UdpPacket
-{
-    public:
-        /** Construct an empty UDP packet.
-         */
-        UdpPacket();
-        UdpPacket(size_t initSize);
-
-        /** Give the pointer to data.
-         *  @return The pointer
-         */
-        uint8_t* getData(void);
-
-        /** Append some data at the end of data buffer and adjust size.
-         *  @param data Pointer to the data to add
-         *  @param size Size in bytes of new data
-         */
-        void addData(const void *data, size_t size);
-
-        size_t getSize(void);
-
-        /** Changes size of the data buffer size. Keeps data intact unless
-         *  truncated.
-         */
-        void setSize(size_t newSize);
-
-        /** Returns the UDP address of the packet.
-         */
-        InetAddress getAddress(void);
-
-        const std::vector<uint8_t>& getBuffer(void) const {
-            return m_buffer;
-        }
-
-
-    private:
-        std::vector<uint8_t> m_buffer;
-        InetAddress address;
-};
-
diff --git a/src/dabOutput/dabOutput.h b/src/dabOutput/dabOutput.h
index 9cc18d7..c7e570b 100644
--- a/src/dabOutput/dabOutput.h
+++ b/src/dabOutput/dabOutput.h
@@ -28,8 +28,7 @@
 
 #pragma once
 
-#include "UdpSocket.h"
-#include "TcpSocket.h"
+#include "Socket.h"
 #include "Log.h"
 #include "string.h"
 #include <stdexcept>
@@ -57,6 +56,8 @@ class DabOutput
         {
             return Open(name.c_str());
         }
+
+        // Return -1 on failure
         virtual int Write(void* buffer, int size) = 0;
         virtual int Close() = 0;
 
@@ -145,15 +146,7 @@ class DabOutputRaw : public DabOutput
 class DabOutputUdp : public DabOutput
 {
     public:
-        DabOutputUdp() {
-            packet_ = new UdpPacket(6144);
-            socket_ = new UdpSocket();
-        }
-
-        virtual ~DabOutputUdp() {
-            delete socket_;
-            delete packet_;
-        }
+        DabOutputUdp();
 
         int Open(const char* name);
         int Write(void* buffer, int size);
@@ -171,8 +164,8 @@ class DabOutputUdp : public DabOutput
         DabOutputUdp operator=(const DabOutputUdp& other) = delete;
 
         std::string uri_;
-        UdpSocket* socket_;
-        UdpPacket* packet_;
+        Socket::UDPSocket socket_;
+        Socket::UDPPacket packet_;
 };
 
 // -------------- TCP ------------------
@@ -190,7 +183,7 @@ class DabOutputTcp : public DabOutput
     private:
         std::string uri_;
 
-        std::shared_ptr<TCPDataDispatcher> dispatcher_;
+        std::shared_ptr<Socket::TCPDataDispatcher> dispatcher_;
 };
 
 // -------------- Simul ------------------
diff --git a/src/dabOutput/dabOutputTcp.cpp b/src/dabOutput/dabOutputTcp.cpp
index 87dbfd5..4dc3538 100644
--- a/src/dabOutput/dabOutputTcp.cpp
+++ b/src/dabOutput/dabOutputTcp.cpp
@@ -94,7 +94,7 @@ int DabOutputTcp::Open(const char* name)
     uri_ = name;
 
     if (success) {
-        dispatcher_ = make_shared<TCPDataDispatcher>(MAX_QUEUED_ETI_FRAMES);
+        dispatcher_ = make_shared<Socket::TCPDataDispatcher>(MAX_QUEUED_ETI_FRAMES);
         dispatcher_->start(port, address);
     }
     else {
diff --git a/src/dabOutput/dabOutputUdp.cpp b/src/dabOutput/dabOutputUdp.cpp
index c129569..b9c22db 100644
--- a/src/dabOutput/dabOutputUdp.cpp
+++ b/src/dabOutput/dabOutputUdp.cpp
@@ -38,18 +38,12 @@
 #include <cstdio>
 #include <limits.h>
 #include "dabOutput.h"
-#include "UdpSocket.h"
-
-#ifdef _WIN32
-#   include <fscfg.h>
-#   include <sdci.h>
-#else
-#   include <netinet/in.h>
-#   include <sys/types.h>
-#   include <sys/socket.h>
-#   include <sys/ioctl.h>
-#   include <net/if_arp.h>
-#endif
+#include "Socket.h"
+
+DabOutputUdp::DabOutputUdp() :
+    socket_(),
+    packet_(6144)
+{ }
 
 int DabOutputUdp::Open(const char* name)
 {
@@ -64,12 +58,6 @@ int DabOutputUdp::Open(const char* name)
                 regex_constants::match_default)) {
         string address = what[1];
 
-        if (this->packet_->getAddress().setAddress(address.c_str()) == -1) {
-            etiLog.level(error) << "can't set address " <<
-               address <<  "(" << inetErrDesc << ": " << inetErrMsg << ")";
-            return -1;
-        }
-
         string port_str = what[2];
         long port = std::strtol(port_str.c_str(), nullptr, 0);
 
@@ -79,7 +67,7 @@ int DabOutputUdp::Open(const char* name)
             return -1;
         }
 
-        this->packet_->getAddress().setPort(port);
+        packet_.address.resolveUdpDestination(address, port);
 
         string query_params = what[3];
         smatch query_what;
@@ -87,28 +75,25 @@ int DabOutputUdp::Open(const char* name)
                     regex_constants::match_default)) {
             string src = query_what[1];
 
-            int err = socket_->setMulticastSource(src.c_str());
-            if (err) {
-                etiLog.level(error) << "UDP output socket set source failed!";
-                return -1;
-            }
+            try {
+                socket_.setMulticastSource(src.c_str());
 
-            string ttl_str = query_what[2];
+                string ttl_str = query_what[2];
 
-            if (not ttl_str.empty()) {
-                long ttl = std::strtol(ttl_str.c_str(), nullptr, 0);
-                if ((ttl <= 0) || (ttl >= 255)) {
-                    etiLog.level(error) << "Invalid TTL setting in " <<
-                        uri_without_proto;
-                    return -1;
-                }
+                if (not ttl_str.empty()) {
+                    long ttl = std::strtol(ttl_str.c_str(), nullptr, 0);
+                    if ((ttl <= 0) || (ttl >= 255)) {
+                        etiLog.level(error) << "Invalid TTL setting in " <<
+                            uri_without_proto;
+                        return -1;
+                    }
 
-                err = socket_->setMulticastTTL(ttl);
-                if (err) {
-                    etiLog.level(error) << "UDP output socket set TTL failed!";
-                    return -1;
+                    socket_.setMulticastTTL(ttl);
                 }
             }
+            catch (const std::runtime_error& e) {
+                etiLog.level(error) << "Failed to set UDP output settings" << e.what();
+            }
         }
         else if (not query_params.empty()) {
             etiLog.level(error) << "UDP output: could not parse parameters " <<
@@ -129,9 +114,11 @@ int DabOutputUdp::Open(const char* name)
 
 int DabOutputUdp::Write(void* buffer, int size)
 {
-    this->packet_->setSize(0);
-    this->packet_->addData(buffer, size);
-    return this->socket_->send(*this->packet_);
+    const uint8_t *buf = reinterpret_cast<uint8_t*>(buffer);
+    packet_.buffer.resize(0);
+    std::copy(buf, buf + size, std::back_inserter(packet_.buffer));
+    socket_.send(packet_);
+    return 0;
 }
 #endif // defined(HAVE_OUTPUT_UDP)
 
diff --git a/src/input/Edi.cpp b/src/input/Edi.cpp
new file mode 100644
index 0000000..765a355
--- /dev/null
+++ b/src/input/Edi.cpp
@@ -0,0 +1,221 @@
+/*
+   Copyright (C) 2009 Her Majesty the Queen in Right of Canada (Communications
+   Research Center Canada)
+
+   Copyright (C) 2019
+   Matthias P. Braendli, matthias.braendli@mpb.li
+
+    http://www.opendigitalradio.org
+   */
+/*
+   This file is part of ODR-DabMux.
+
+   ODR-DabMux is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the
+   License, or (at your option) any later version.
+
+   ODR-DabMux is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with ODR-DabMux.  If not, see <http://www.gnu.org/licenses/>.
+   */
+
+#include "input/Edi.h"
+
+#include <regex>
+#include <chrono>
+#include <stdexcept>
+#include <sstream>
+#include <cstring>
+#include <cstdlib>
+#include <cerrno>
+#include <climits>
+#include "utils.h"
+
+using namespace std;
+
+namespace Inputs {
+
+constexpr bool VERBOSE = false;
+constexpr size_t TCP_BLOCKSIZE = 2048;
+constexpr size_t MAX_FRAMES_QUEUED = 1000;
+
+Edi::Edi() :
+    m_tcp_receive_server(TCP_BLOCKSIZE),
+    m_sti_writer(),
+    m_sti_decoder(m_sti_writer, VERBOSE)
+{ }
+
+Edi::~Edi() {
+    m_running = false;
+    if (m_thread.joinable()) {
+        m_thread.join();
+    }
+}
+
+int Edi::open(const std::string& name)
+{
+    const std::regex re_udp("udp://:([0-9]+)");
+    const std::regex re_tcp("tcp://(.*):([0-9]+)");
+
+    lock_guard<mutex> lock(m_mutex);
+
+    m_running = false;
+    if (m_thread.joinable()) {
+        m_thread.join();
+    }
+
+    std::smatch m;
+    if (std::regex_match(name, m, re_udp)) {
+        const int udp_port = std::stoi(m[1].str());
+        m_input_used = InputUsed::UDP;
+        m_udp_sock.reinit(udp_port);
+        m_udp_sock.setBlocking(false);
+        // TODO multicast
+    }
+    else if (std::regex_match(name, m, re_tcp)) {
+        m_input_used = InputUsed::TCP;
+        const string addr = m[1].str();
+        const int tcp_port = std::stoi(m[2].str());
+        m_tcp_receive_server.start(tcp_port, addr);
+    }
+    else {
+        throw runtime_error("Cannot parse EDI input URI");
+    }
+
+    m_name = name;
+
+    m_running = true;
+    m_thread = std::thread(&Edi::m_run, this);
+
+    return 0;
+}
+
+int Edi::readFrame(uint8_t* buffer, size_t size)
+{
+    if (m_pending_sti_frame.frame.empty()) {
+        m_frames.try_pop(m_pending_sti_frame);
+    }
+
+    if (not m_pending_sti_frame.frame.empty()) {
+        if (m_pending_sti_frame.frame.size() != size) {
+            etiLog.level(debug) << "EDI input " << m_name << " size mismatch: " <<
+                m_pending_sti_frame.frame.size() << " received, " << size << " requested";
+            memset(buffer, 0, size * sizeof(*buffer));
+        }
+        else {
+            const auto now = chrono::system_clock::now();
+
+            if (m_pending_sti_frame.timestamp.to_system_clock() <= now) {
+                etiLog.level(debug) << "EDI input take frame with TS " <<
+                    m_pending_sti_frame.timestamp.to_string() << " queue size " << m_frames.size();
+
+                std::copy(m_pending_sti_frame.frame.cbegin(), m_pending_sti_frame.frame.cend(), buffer);
+                m_pending_sti_frame.frame.clear();
+            }
+            else {
+                etiLog.level(debug) << "EDI input skip frame with TS " <<
+                    m_pending_sti_frame.timestamp.to_string() << " queue size " << m_frames.size();
+            }
+        }
+    }
+
+    return size;
+
+#if 0
+    EdiDecoder::sti_frame_t sti;
+    if (m_is_prebuffering) {
+        m_is_prebuffering = m_frames.size() < 10;
+        if (not m_is_prebuffering) {
+            etiLog.level(info) << "EDI input " << m_name << " pre-buffering complete.";
+        }
+    }
+    else if (m_frames.try_pop(sti)) {
+        if (sti.frame.size() == 0) {
+            etiLog.level(debug) << "EDI input " << m_name << " empty frame";
+            return 0;
+        }
+        else if (sti.frame.size() == size) {
+            std::copy(sti.frame.cbegin(), sti.frame.cend(), buffer);
+        }
+        else {
+            etiLog.level(debug) << "EDI input " << m_name << " size mismatch: " << sti.frame.size() <<
+                " received, " << size << " requested";
+            memset(buffer, 0, size * sizeof(*buffer));
+        }
+    }
+    else {
+        memset(buffer, 0, size * sizeof(*buffer));
+        m_is_prebuffering = true;
+        etiLog.level(info) << "EDI input " << m_name << " re-enabling pre-buffering";
+    }
+    return size;
+#endif
+}
+
+void Edi::m_run()
+{
+    while (m_running) {
+        bool work_done = false;
+
+        switch (m_input_used) {
+            case InputUsed::UDP:
+                {
+                    constexpr size_t packsize = 2048;
+                    const auto packet = m_udp_sock.receive(packsize);
+                    if (packet.buffer.size() == packsize) {
+                        fprintf(stderr, "Warning, possible UDP truncation\n");
+                    }
+                    if (not packet.buffer.empty()) {
+                        m_sti_decoder.push_packet(packet.buffer);
+                        work_done = true;
+                    }
+                }
+                break;
+            case InputUsed::TCP:
+                {
+                    auto packet = m_tcp_receive_server.receive();
+                    if (not packet.empty()) {
+                        m_sti_decoder.push_bytes(packet);
+                        work_done = true;
+                    }
+                }
+                break;
+            default:
+                throw logic_error("unimplemented input");
+        }
+
+        const auto sti = m_sti_writer.getFrame();
+        if (not sti.frame.empty()) {
+            m_frames.push_wait_if_full(move(sti), MAX_FRAMES_QUEUED);
+            work_done = true;
+        }
+
+        if (not work_done) {
+            // Avoid fast loop
+            this_thread::sleep_for(chrono::milliseconds(12));
+        }
+    }
+}
+
+int Edi::setBitrate(int bitrate)
+{
+    if (bitrate <= 0) {
+        etiLog.level(error) << "Invalid bitrate (" << bitrate << ") for " << m_name;
+        return -1;
+    }
+
+    return bitrate;
+}
+
+int Edi::close()
+{
+    m_udp_sock.close();
+    return 0;
+}
+
+}
diff --git a/src/input/Edi.h b/src/input/Edi.h
new file mode 100644
index 0000000..66ff682
--- /dev/null
+++ b/src/input/Edi.h
@@ -0,0 +1,83 @@
+/*
+   Copyright (C) 2009 Her Majesty the Queen in Right of Canada (Communications
+   Research Center Canada)
+
+   Copyright (C) 2019
+   Matthias P. Braendli, matthias.braendli@mpb.li
+
+    http://www.opendigitalradio.org
+   */
+/*
+   This file is part of ODR-DabMux.
+
+   ODR-DabMux is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the
+   License, or (at your option) any later version.
+
+   ODR-DabMux is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with ODR-DabMux.  If not, see <http://www.gnu.org/licenses/>.
+   */
+
+#pragma once
+
+#include <string>
+#include <vector>
+#include <deque>
+#include <thread>
+#include <mutex>
+#include "Socket.h"
+#include "input/inputs.h"
+#include "edi/STIDecoder.hpp"
+#include "edi/STIWriter.hpp"
+#include "ThreadsafeQueue.h"
+
+namespace Inputs {
+
+/*
+ * Receives EDI from UDP or TCP in a separate thread and pushes that data
+ * into the STIDecoder. Complete frames are then put into a queue for the consumer.
+ *
+ * This way, the EDI decoding happens in a separate thread.
+ */
+class Edi : public InputBase {
+    public:
+        Edi();
+        Edi(const Edi&) = delete;
+        Edi& operator=(const Edi&) = delete;
+        ~Edi();
+
+        virtual int open(const std::string& name);
+        virtual int readFrame(uint8_t* buffer, size_t size);
+        virtual int setBitrate(int bitrate);
+        virtual int close();
+
+    protected:
+        void m_run();
+
+        std::mutex m_mutex;
+
+        enum class InputUsed { Invalid, UDP, TCP };
+        InputUsed m_input_used = InputUsed::Invalid;
+        Socket::UDPSocket m_udp_sock;
+        Socket::TCPReceiveServer m_tcp_receive_server;
+
+        EdiDecoder::STIWriter m_sti_writer;
+        EdiDecoder::STIDecoder m_sti_decoder;
+        std::thread m_thread;
+        std::atomic<bool> m_running = ATOMIC_VAR_INIT(false);
+        ThreadsafeQueue<EdiDecoder::sti_frame_t> m_frames;
+        EdiDecoder::sti_frame_t m_pending_sti_frame;
+
+        bool m_is_prebuffering = true;
+
+        std::string m_name;
+};
+
+};
+
diff --git a/src/input/Udp.cpp b/src/input/Udp.cpp
index 2cb49e7..5d4f964 100644
--- a/src/input/Udp.cpp
+++ b/src/input/Udp.cpp
@@ -82,17 +82,8 @@ void Udp::openUdpSocket(const std::string& endpoint)
         throw out_of_range("can't use port number 0 in udp address");
     }
 
-    if (m_sock.reinit(port, address) == -1) {
-        stringstream ss;
-        ss << "Could not init UDP socket: " << inetErrMsg;
-        throw runtime_error(ss.str());
-    }
-
-    if (m_sock.setBlocking(false) == -1) {
-        stringstream ss;
-        ss << "Could not set non-blocking UDP socket: " << inetErrMsg;
-        throw runtime_error(ss.str());
-    }
+    m_sock.reinit(port, address);
+    m_sock.setBlocking(false);
 
     etiLog.level(info) << "Opened UDP port " << address << ":" << port;
 }
@@ -100,17 +91,9 @@ void Udp::openUdpSocket(const std::string& endpoint)
 int Udp::readFrame(uint8_t* buffer, size_t size)
 {
     // Regardless of buffer contents, try receiving data.
-    UdpPacket packet(32768);
-    int ret = m_sock.receive(packet);
-
-    if (ret == -1) {
-        stringstream ss;
-        ss << "Could not read from UDP socket: " << inetErrMsg;
-        throw runtime_error(ss.str());
-    }
+    auto packet = m_sock.receive(32768);
 
-    std::copy(packet.getData(), packet.getData() + packet.getSize(),
-            back_inserter(m_buffer));
+    std::copy(packet.buffer.cbegin(), packet.buffer.cend(), back_inserter(m_buffer));
 
     // Take data from the buffer if it contains enough data,
     // in any case write the buffer
@@ -136,7 +119,8 @@ int Udp::setBitrate(int bitrate)
 
 int Udp::close()
 {
-    return m_sock.close();
+    m_sock.close();
+    return 0;
 }
 
 
@@ -167,8 +151,8 @@ static uint16_t unpack2(const uint8_t *buf)
 
 int Sti_d_Rtp::open(const std::string& name)
 {
-    // Skip the sti-rtp:// part if it is present
-    const string endpoint = (name.substr(0, 10) == "sti-rtp://") ?
+    // Skip the rtp:// part if it is present
+    const string endpoint = (name.substr(0, 10) == "rtp://") ?
         name.substr(10) : name;
 
     // The endpoint should be address:port
@@ -176,8 +160,8 @@ int Sti_d_Rtp::open(const std::string& name)
     if (colon_pos == string::npos) {
         stringstream ss;
         ss << "'" << name <<
-                " is an invalid format for sti-rtp address: "
-                "expected [sti-rtp://]address:port";
+                " is an invalid format for rtp address: "
+                "expected [rtp://]address:port";
         throw invalid_argument(ss.str());
     }
 
@@ -190,29 +174,22 @@ int Sti_d_Rtp::open(const std::string& name)
 
 void Sti_d_Rtp::receive_packet()
 {
-    UdpPacket packet(32768);
-    int ret = m_sock.receive(packet);
-
-    if (ret == -1) {
-        stringstream ss;
-        ss << "Could not read from UDP socket: " << inetErrMsg;
-        throw runtime_error(ss.str());
-    }
+    auto packet = m_sock.receive(32768);
 
-    if (packet.getSize() == 0) {
+    if (packet.buffer.empty()) {
         // No packet was received
         return;
     }
 
     const size_t STI_FC_LEN = 8;
 
-    if (packet.getSize() < RTP_HEADER_LEN + STI_SYNC_LEN + STI_FC_LEN) {
+    if (packet.buffer.size() < RTP_HEADER_LEN + STI_SYNC_LEN + STI_FC_LEN) {
         etiLog.level(info) << "Received too small RTP packet for " <<
             m_name;
         return;
     }
 
-    if (not rtpHeaderValid(packet.getData())) {
+    if (not rtpHeaderValid(packet.buffer.data())) {
         etiLog.level(info) << "Received invalid RTP header for " <<
             m_name;
         return;
@@ -220,7 +197,7 @@ void Sti_d_Rtp::receive_packet()
 
     //  STI(PI, X)
     size_t index = RTP_HEADER_LEN;
-    const uint8_t *buf = packet.getData();
+    const uint8_t *buf = packet.buffer.data();
 
     //   SYNC
     index++; // Advance over STAT
@@ -242,7 +219,7 @@ void Sti_d_Rtp::receive_packet()
             m_name;
         return;
     }
-    if (packet.getSize() < index + DFS) {
+    if (packet.buffer.size() < index + DFS) {
         etiLog.level(info) << "Received STI too small for given DFS for " <<
             m_name;
         return;
@@ -270,9 +247,9 @@ void Sti_d_Rtp::receive_packet()
     uint16_t NST   = unpack2(buf+index) & 0x7FF; // 11 bits
     index += 2;
 
-    if (packet.getSize() < index + 4*NST) {
+    if (packet.buffer.size() < index + 4*NST) {
         etiLog.level(info) << "Received STI too small to contain NST for " <<
-            m_name << " packet: " << packet.getSize() << " need " <<
+            m_name << " packet: " << packet.buffer.size() << " need " <<
             index + 4*NST;
         return;
     }
diff --git a/src/input/Udp.h b/src/input/Udp.h
index dc01486..dd637c6 100644
--- a/src/input/Udp.h
+++ b/src/input/Udp.h
@@ -31,7 +31,7 @@
 #include <deque>
 #include <boost/thread.hpp>
 #include "input/inputs.h"
-#include "UdpSocket.h"
+#include "Socket.h"
 
 namespace Inputs {
 
@@ -46,7 +46,7 @@ class Udp : public InputBase {
         virtual int close();
 
     protected:
-        UdpSocket m_sock;
+        Socket::UDPSocket m_sock;
         std::string m_name;
 
         void openUdpSocket(const std::string& endpoint);
diff --git a/src/utils.cpp b/src/utils.cpp
index 721c145..3e3e86e 100644
--- a/src/utils.cpp
+++ b/src/utils.cpp
@@ -328,7 +328,7 @@ void printSubchannels(const vec_sp_subchannel& subchannels)
         etiLog.level(info) << "   URI:     " << subchannel->inputUri;
         switch (subchannel->type) {
             case subchannel_type_t::DABAudio:
-                etiLog.log(info, " type:       DAbAudio");
+                etiLog.log(info, " type:       DABAudio");
                 break;
             case subchannel_type_t::DABPlusAudio:
                 etiLog.log(info, " type:       DABPlusAudio");
diff --git a/src/zmq2edi/EDISender.cpp b/src/zmq2edi/EDISender.cpp
index 2128abf..2188f8a 100644
--- a/src/zmq2edi/EDISender.cpp
+++ b/src/zmq2edi/EDISender.cpp
@@ -79,7 +79,7 @@ void EDISender::print_configuration()
 void EDISender::send_eti_frame(uint8_t* p, metadata_t metadata)
 {
     edi::TagDETI edi_tagDETI;
-    edi::TagStarPTR edi_tagStarPtr;
+    edi::TagStarPTR edi_tagStarPtr("DETI");
     map<int, edi::TagESTn> edi_subchannelToTag;
     // The above Tag Items will be assembled into a TAG Packet
     edi::TagPacket edi_tagpacket(edi_conf.tagpacket_alignment);
diff --git a/src/zmq2edi/EDISender.h b/src/zmq2edi/EDISender.h
index bb9c8bc..3525b4b 100644
--- a/src/zmq2edi/EDISender.h
+++ b/src/zmq2edi/EDISender.h
@@ -34,9 +34,9 @@
 #include <atomic>
 #include "ThreadsafeQueue.h"
 #include "dabOutput/dabOutput.h"
-#include "dabOutput/edi/TagItems.h"
-#include "dabOutput/edi/TagPacket.h"
-#include "dabOutput/edi/Transport.h"
+#include "edioutput/TagItems.h"
+#include "edioutput/TagPacket.h"
+#include "edioutput/Transport.h"
 
 // This metadata gets transmitted in the zmq stream
 struct metadata_t {