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-rw-r--r--.gitignore2
-rw-r--r--Makefile.am3
-rw-r--r--lib/edi/ETIDecoder.cpp40
-rw-r--r--lib/edi/ETIDecoder.hpp88
-rw-r--r--lib/edi/ETIWriter.cpp286
-rw-r--r--lib/edi/ETIWriter.hpp119
-rw-r--r--src/Buffer.cpp20
-rw-r--r--src/Buffer.h10
-rw-r--r--src/DabMod.cpp209
-rw-r--r--src/DabModulator.cpp26
-rw-r--r--src/DabModulator.h12
-rw-r--r--src/EtiReader.cpp268
-rw-r--r--src/EtiReader.h116
-rw-r--r--src/FicSource.cpp6
-rw-r--r--src/FicSource.h2
-rw-r--r--src/FrameMultiplexer.cpp24
-rw-r--r--src/FrameMultiplexer.h13
-rw-r--r--src/InputReader.h23
-rw-r--r--src/OutputUHD.cpp10
-rw-r--r--src/OutputUHD.h4
-rw-r--r--src/SubchannelSource.cpp18
-rw-r--r--src/SubchannelSource.h6
22 files changed, 679 insertions, 626 deletions
diff --git a/.gitignore b/.gitignore
index 999c71d..7fac4b1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,6 @@
autom4te.cache
-src/*.o
+*.o
stamp-h1
.deps
.dirstamp
diff --git a/Makefile.am b/Makefile.am
index 793710d..c0dbe46 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -80,7 +80,6 @@ odr_dabmod_SOURCES = src/DabMod.cpp \
src/OutputUHD.h \
src/InputMemory.cpp \
src/InputMemory.h \
- src/InputEdiReader.cpp \
src/InputFileReader.cpp \
src/InputTcpReader.cpp \
src/InputZeroMQReader.cpp \
@@ -140,8 +139,6 @@ odr_dabmod_SOURCES = src/DabMod.cpp \
lib/edi/ETIDecoder.cpp \
lib/edi/ETIDecoder.hpp \
lib/edi/eti.hpp \
- lib/edi/ETIWriter.cpp \
- lib/edi/ETIWriter.hpp \
lib/edi/PFT.cpp \
lib/edi/PFT.hpp \
lib/fec/char.h \
diff --git a/lib/edi/ETIDecoder.cpp b/lib/edi/ETIDecoder.cpp
index c79054b..baede11 100644
--- a/lib/edi/ETIDecoder.cpp
+++ b/lib/edi/ETIDecoder.cpp
@@ -1,5 +1,5 @@
/*
- Copyright (C) 2016
+ Copyright (C) 2017
Matthias P. Braendli, matthias.braendli@mpb.li
http://opendigitalradio.org
@@ -30,8 +30,9 @@ namespace EdiDecoder {
using namespace std;
-ETIDecoder::ETIDecoder(ETIWriter& eti_writer) :
- m_eti_writer(eti_writer)
+ETIDecoder::ETIDecoder(DataCollector& data_collector) :
+ m_data_collector(data_collector),
+ m_last_seq(0)
{
}
@@ -41,7 +42,7 @@ void ETIDecoder::push_bytes(const vector<uint8_t> &buf)
while (m_input_data.size() > 2) {
if (m_input_data[0] == 'A' and m_input_data[1] == 'F') {
- decode_state_t st = decode_afpacket(m_input_data);
+ 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
@@ -57,7 +58,7 @@ void ETIDecoder::push_bytes(const vector<uint8_t> &buf)
}
if (st.complete) {
- m_eti_writer.assemble();
+ m_data_collector.assemble();
}
}
@@ -85,7 +86,7 @@ void ETIDecoder::push_bytes(const vector<uint8_t> &buf)
decode_state_t st = decode_afpacket(af);
if (st.complete) {
- m_eti_writer.assemble();
+ m_data_collector.assemble();
}
}
@@ -107,7 +108,7 @@ void ETIDecoder::push_packet(const vector<uint8_t> &buf)
const decode_state_t st = decode_afpacket(buf);
if (st.complete) {
- m_eti_writer.assemble();
+ m_data_collector.assemble();
}
}
@@ -121,10 +122,10 @@ void ETIDecoder::push_packet(const vector<uint8_t> &buf)
auto af = m_pft.getNextAFPacket();
if (not af.empty()) {
- decode_state_t st = decode_afpacket(af);
+ const decode_state_t st = decode_afpacket(af);
if (st.complete) {
- m_eti_writer.assemble();
+ m_data_collector.assemble();
}
}
}
@@ -144,7 +145,7 @@ void ETIDecoder::setMaxDelay(int num_af_packets)
#define AFPACKET_HEADER_LEN 10 // includes SYNC
-decode_state_t ETIDecoder::decode_afpacket(
+ETIDecoder::decode_state_t ETIDecoder::decode_afpacket(
const std::vector<uint8_t> &input_data)
{
if (input_data.size() < AFPACKET_HEADER_LEN) {
@@ -276,7 +277,7 @@ bool ETIDecoder::decode_starptr(const vector<uint8_t> &value)
uint16_t major = read_16b(value.begin() + 4);
uint16_t minor = read_16b(value.begin() + 6);
- m_eti_writer.update_protocol(protocol, major, minor);
+ m_data_collector.update_protocol(protocol, major, minor);
return true;
}
@@ -330,8 +331,9 @@ bool ETIDecoder::decode_deti(const vector<uint8_t> &value)
to_string(expected_length));
}
- m_eti_writer.update_err(stat);
- m_eti_writer.update_mnsc(mnsc);
+ etiLog.level(debug) << "EDI DETI";
+ m_data_collector.update_err(stat);
+ m_data_collector.update_mnsc(mnsc);
size_t i = 2 + 4;
@@ -342,7 +344,7 @@ bool ETIDecoder::decode_deti(const vector<uint8_t> &value)
uint32_t seconds = read_32b(value.begin() + i);
i += 4;
- m_eti_writer.update_edi_time(utco, seconds);
+ m_data_collector.update_edi_time(utco, seconds);
fc.tsta = read_24b(value.begin() + i);
i += 3;
@@ -360,7 +362,7 @@ bool ETIDecoder::decode_deti(const vector<uint8_t> &value)
fic.begin());
i += fic_length;
- m_eti_writer.update_fic(fic);
+ m_data_collector.update_fic(fic);
}
if (rfudf) {
@@ -368,7 +370,7 @@ bool ETIDecoder::decode_deti(const vector<uint8_t> &value)
// high 16 bits: RFU in LIDATA EOH
// low 8 bits: RFU in TIST (not supported)
- m_eti_writer.update_rfu(rfud >> 8);
+ m_data_collector.update_rfu(rfud >> 8);
if ((rfud & 0xFF) != 0xFF) {
etiLog.level(warn) << "EDI: RFU in TIST not supported";
}
@@ -376,7 +378,7 @@ bool ETIDecoder::decode_deti(const vector<uint8_t> &value)
i += 3;
}
- m_eti_writer.update_fc_data(fc);
+ m_data_collector.update_fc_data(fc);
return true;
}
@@ -387,6 +389,7 @@ bool ETIDecoder::decode_estn(const vector<uint8_t> &value, uint8_t n)
eti_stc_data stc;
+ stc.stream_index = n - 1; // n is 1-indexed
stc.scid = (sstc >> 18) & 0x3F;
stc.sad = (sstc >> 8) & 0x3FF;
stc.tpl = (sstc >> 2) & 0x3F;
@@ -399,7 +402,8 @@ bool ETIDecoder::decode_estn(const vector<uint8_t> &value, uint8_t n)
value.end(),
back_inserter(stc.mst));
- m_eti_writer.add_subchannel(stc);
+ etiLog.level(debug) << "EDI ESTn " << (int)stc.stream_index;
+ m_data_collector.add_subchannel(stc);
return true;
}
diff --git a/lib/edi/ETIDecoder.hpp b/lib/edi/ETIDecoder.hpp
index cec284f..9624c48 100644
--- a/lib/edi/ETIDecoder.hpp
+++ b/lib/edi/ETIDecoder.hpp
@@ -1,5 +1,5 @@
/*
- Copyright (C) 2016
+ Copyright (C) 2017
Matthias P. Braendli, matthias.braendli@mpb.li
http://opendigitalradio.org
@@ -24,21 +24,84 @@
#include <deque>
#include <string>
#include <vector>
-#include "ETIWriter.hpp"
#include "PFT.hpp"
+#include "eti.hpp"
namespace EdiDecoder {
-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;
+// Information for Frame Characterisation available in
+// EDI.
+//
+// Number of streams is given separately, and frame length
+// is calculated in the DataCollector
+struct eti_fc_data {
+ bool atstf;
+ uint32_t tsta;
+ bool ficf;
+ uint16_t dflc;
+ uint8_t mid;
+ uint8_t fp;
+
+ uint8_t fct(void) const { return dflc % 250; }
};
+// Information for a subchannel available in EDI
+struct eti_stc_data {
+ uint8_t stream_index;
+ uint8_t scid;
+ uint8_t sad;
+ uint8_t tpl;
+ std::vector<uint8_t> mst;
+
+ // Return the length of the MST in multiples of 64 bits
+ uint16_t stl(void) const { return mst.size() / 8; }
+};
+
+/* A class that receives multiplex data must implement the interface described
+ * in the DataCollector. This can be e.g. a converter to ETI, or something that
+ * prepares data structures for a modulator.
+ */
+class DataCollector {
+ 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;
+
+ // Update the data for the frame characterisation
+ virtual void update_fc_data(const eti_fc_data& fc_data) = 0;
+
+ virtual void update_fic(const std::vector<uint8_t>& fic) = 0;
+
+ virtual void update_err(uint8_t err) = 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_mnsc(uint16_t mnsc) = 0;
+
+ virtual void update_rfu(uint16_t rfu) = 0;
+
+ virtual void add_subchannel(const eti_stc_data& stc) = 0;
+
+ // Tell the ETIWriter that the AFPacket is complete
+ virtual void assemble(void) = 0;
+};
+
+/* The ETIDecoder 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 ETIDecoder {
public:
- ETIDecoder(ETIWriter& eti_writer);
+ ETIDecoder(DataCollector& data_collector);
/* Push bytes into the decoder. The buf can contain more
* than a single packet. This is useful when reading from streams
@@ -57,6 +120,13 @@ class ETIDecoder {
void setMaxDelay(int num_af_packets);
private:
+ 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;
+ };
+
decode_state_t decode_afpacket(const std::vector<uint8_t> &input_data);
bool decode_tagpacket(const std::vector<uint8_t> &payload);
bool decode_starptr(const std::vector<uint8_t> &value);
@@ -64,7 +134,7 @@ class ETIDecoder {
bool decode_estn(const std::vector<uint8_t> &value, uint8_t n);
bool decode_stardmy(const std::vector<uint8_t> &value);
- ETIWriter& m_eti_writer;
+ DataCollector& m_data_collector;
PFT::PFT m_pft;
diff --git a/lib/edi/ETIWriter.cpp b/lib/edi/ETIWriter.cpp
deleted file mode 100644
index bd051dd..0000000
--- a/lib/edi/ETIWriter.cpp
+++ /dev/null
@@ -1,286 +0,0 @@
-/*
- 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.
- */
-#include "ETIWriter.hpp"
-#include "crc.h"
-#include "Log.h"
-#include <stdio.h>
-#include <cassert>
-#include <stdexcept>
-#include <sstream>
-
-namespace EdiDecoder {
-
-using namespace std;
-
-void ETIWriter::update_protocol(
- const std::string& proto,
- uint16_t major,
- uint16_t minor)
-{
- m_proto_valid = (proto == "DETI" and major == 0 and minor == 0);
-
- if (not m_proto_valid) {
- throw std::invalid_argument("Wrong EDI protocol");
- }
-}
-
-void ETIWriter::reinit()
-{
- m_proto_valid = false;
- m_fc_valid = false;
- m_fic.clear();
- m_etiFrame.clear();
- m_subchannels.clear();
-}
-
-void ETIWriter::update_err(uint8_t err)
-{
- if (not m_proto_valid) {
- throw std::logic_error("Cannot update ERR before protocol");
- }
- m_err = err;
-}
-
-void ETIWriter::update_fc_data(const eti_fc_data& fc_data)
-{
- if (not m_proto_valid) {
- throw std::logic_error("Cannot update FC before protocol");
- }
-
- m_fc_valid = false;
- m_fc = fc_data;
-
- if (not m_fc.ficf) {
- throw std::invalid_argument("FIC must be present");
- }
-
- if (m_fc.mid > 4) {
- throw std::invalid_argument("Invalid MID");
- }
-
- if (m_fc.fp > 7) {
- throw std::invalid_argument("Invalid FP");
- }
-
- m_fc_valid = true;
-}
-
-void ETIWriter::update_fic(const std::vector<uint8_t>& fic)
-{
- if (not m_proto_valid) {
- throw std::logic_error("Cannot update FIC before protocol");
- }
-
- m_fic = fic;
-}
-
-void ETIWriter::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 ETIWriter::update_mnsc(uint16_t mnsc)
-{
- if (not m_proto_valid) {
- throw std::logic_error("Cannot update MNSC before protocol");
- }
-
- m_mnsc = mnsc;
-}
-
-void ETIWriter::update_rfu(uint16_t rfu)
-{
- if (not m_proto_valid) {
- throw std::logic_error("Cannot update RFU before protocol");
- }
-
- m_rfu = rfu;
-}
-
-void ETIWriter::add_subchannel(const eti_stc_data& stc)
-{
- if (not m_proto_valid) {
- throw std::logic_error("Cannot add subchannel before protocol");
- }
-
- m_subchannels.push_back(stc);
-
- if (m_subchannels.size() > 64) {
- throw std::invalid_argument("Too many subchannels");
- }
-
-}
-
-void ETIWriter::assemble()
-{
- if (not m_proto_valid) {
- throw std::logic_error("Cannot assemble ETI before protocol");
- }
-
- if (not m_fc_valid) {
- throw std::logic_error("Cannot assemble ETI without FC");
- }
-
- if (m_fic.empty()) {
- throw std::logic_error("Cannot assemble ETI without FIC data");
- }
-
- // Accept zero subchannels, because of an edge-case that can happen
- // during reconfiguration. See ETS 300 799 Clause 5.3.3
-
- // TODO check time validity
-
- // ETS 300 799 Clause 5.3.2, but we don't support not having
- // a FIC
- if ( (m_fc.mid == 3 and m_fic.size() != 32 * 4) or
- (m_fc.mid != 3 and m_fic.size() != 24 * 4) ) {
- stringstream ss;
- ss << "Invalid FIC length " << m_fic.size() <<
- " for MID " << m_fc.mid;
- throw std::invalid_argument(ss.str());
- }
-
-
- std::vector<uint8_t> eti;
- eti.reserve(6144);
-
- eti.push_back(m_err);
-
- // FSYNC
- if (m_fc.fct() % 2 == 1) {
- eti.push_back(0xf8);
- eti.push_back(0xc5);
- eti.push_back(0x49);
- }
- else {
- eti.push_back(0x07);
- eti.push_back(0x3a);
- eti.push_back(0xb6);
- }
-
- // LIDATA
- // FC
- eti.push_back(m_fc.fct());
-
- const uint8_t NST = m_subchannels.size();
-
- eti.push_back((m_fc.ficf << 7) | NST);
-
- // We need to pack:
- // FP 3 bits
- // MID 2 bits
- // FL 11 bits
-
- // FL: EN 300 799 5.3.6
- uint16_t FL = NST + 1 + m_fic.size();
- for (const auto& subch : m_subchannels) {
- FL += subch.mst.size();
- }
-
- const uint16_t fp_mid_fl = (m_fc.fp << 13) | (m_fc.mid << 11) | FL;
-
- eti.push_back(fp_mid_fl >> 8);
- eti.push_back(fp_mid_fl & 0xFF);
-
- // STC
- for (const auto& subch : m_subchannels) {
- eti.push_back( (subch.scid << 2) | (subch.sad & 0x300) );
- eti.push_back( subch.sad & 0xff );
- eti.push_back( (subch.tpl << 2) | ((subch.stl() & 0x300) >> 8) );
- eti.push_back( subch.stl() & 0xff );
- }
-
- // EOH
- // MNSC
- eti.push_back(m_mnsc >> 8);
- eti.push_back(m_mnsc & 0xFF);
-
- // CRC
- // Calculate CRC from eti[4] to current position
- uint16_t eti_crc = 0xFFFF;
- eti_crc = crc16(eti_crc, &eti[4], eti.size() - 4);
- eti_crc ^= 0xffff;
- eti.push_back(eti_crc >> 8);
- eti.push_back(eti_crc & 0xFF);
-
- const size_t mst_start = eti.size();
- // MST
- // FIC data
- copy(m_fic.begin(), m_fic.end(), back_inserter(eti));
-
- // Data stream
- for (const auto& subch : m_subchannels) {
- copy(subch.mst.begin(), subch.mst.end(), back_inserter(eti));
- }
-
- // EOF
- // CRC
- uint16_t mst_crc = 0xFFFF;
- mst_crc = crc16(mst_crc, &eti[mst_start], eti.size() - mst_start);
- mst_crc ^= 0xffff;
- eti.push_back(mst_crc >> 8);
- eti.push_back(mst_crc & 0xFF);
-
- // RFU
- eti.push_back(m_rfu >> 8);
- eti.push_back(m_rfu);
-
- // TIST
- eti.push_back(m_fc.tsta >> 24);
- eti.push_back((m_fc.tsta >> 16) & 0xFF);
- eti.push_back((m_fc.tsta >> 8) & 0xFF);
- eti.push_back(m_fc.tsta & 0xFF);
-
- if (eti.size() > 6144) {
- throw std::logic_error("ETI frame cannot be longer than 6144");
- }
-
- eti.resize(6144, 0x55);
-
- m_etiFrame = eti;
-
-}
-
-std::vector<uint8_t> ETIWriter::getEtiFrame()
-{
- if (m_etiFrame.empty()) {
- return {};
- }
-
- vector<uint8_t> eti(move(m_etiFrame));
- reinit();
-
- return eti;
-}
-
-}
-
diff --git a/lib/edi/ETIWriter.hpp b/lib/edi/ETIWriter.hpp
deleted file mode 100644
index aa907fc..0000000
--- a/lib/edi/ETIWriter.hpp
+++ /dev/null
@@ -1,119 +0,0 @@
-/*
- 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>
-#include <string>
-#include <vector>
-#include <list>
-#include "eti.hpp"
-
-namespace EdiDecoder {
-
-// Information for Frame Characterisation available in
-// EDI.
-//
-// Number of streams is given separately, and frame length
-// is calculeted in the ETIWriter
-struct eti_fc_data {
- bool atstf;
- uint32_t tsta;
- bool ficf;
- uint16_t dflc;
- uint8_t mid;
- uint8_t fp;
-
- uint8_t fct(void) const { return dflc % 250; }
-};
-
-// Information for a subchannel available in EDI
-struct eti_stc_data {
- uint8_t scid;
- uint8_t sad;
- uint8_t tpl;
- std::vector<uint8_t> mst;
-
- // Return the length of the MST in multiples of 64 bits
- uint16_t stl(void) const { return mst.size() / 8; }
-};
-
-class ETIWriter {
- public:
- // Tell the ETIWriter what EDI protocol we receive in *ptr.
- // This is not part of the ETI data, but is used as check
- void update_protocol(
- const std::string& proto,
- uint16_t major,
- uint16_t minor);
-
- // Update the data for the frame characterisation
- void update_fc_data(const eti_fc_data& fc_data);
-
- void update_fic(const std::vector<uint8_t>& fic);
-
- void update_err(uint8_t err);
-
- // In addition to TSTA in ETI, EDI also transports more time
- // stamp information.
- void update_edi_time(
- uint32_t utco,
- uint32_t seconds);
-
- void update_mnsc(uint16_t mnsc);
-
- void update_rfu(uint16_t rfu);
-
- void add_subchannel(const eti_stc_data& stc);
-
- // Tell the ETIWriter that the AFPacket is complete
- void assemble(void);
-
- // Return the assembled ETI frame or an empty frame if not ready
- std::vector<uint8_t> getEtiFrame(void);
-
- private:
- void reinit(void);
-
- bool m_proto_valid = false;
-
- uint8_t m_err;
-
- bool m_fc_valid = false;
- eti_fc_data m_fc;
-
- // m_fic is valid if non-empty
- std::vector<uint8_t> m_fic;
-
- std::vector<uint8_t> m_etiFrame;
-
- std::list<eti_stc_data> m_subchannels;
-
- bool m_time_valid = false;
- uint32_t m_utco;
- uint32_t m_seconds;
-
- uint16_t m_mnsc = 0xffff;
-
- // 16 bits: RFU field in EOH
- uint16_t m_rfu = 0xffff;
-};
-
-}
diff --git a/src/Buffer.cpp b/src/Buffer.cpp
index fa7f52f..8631c42 100644
--- a/src/Buffer.cpp
+++ b/src/Buffer.cpp
@@ -2,6 +2,11 @@
Copyright (C) 2011
Her Majesty the Queen in Right of Canada (Communications Research
Center Canada)
+
+ Copyright (C) 2016
+ Matthias P. Braendli, matthias.braendli@mpb.li
+
+ http://opendigitalradio.org
*/
/*
This file is part of ODR-DabMod.
@@ -44,6 +49,16 @@ Buffer::Buffer(size_t len, const void *data)
setData(data, len);
}
+Buffer::Buffer(const std::vector<uint8_t> &vec)
+{
+ PDEBUG("Buffer::Buffer(vector [%zu])\n", vec.size());
+
+ this->len = 0;
+ this->size = 0;
+ this->data = NULL;
+ setData(vec.data(), vec.size());
+}
+
Buffer::~Buffer()
{
@@ -58,6 +73,11 @@ Buffer &Buffer::operator=(const Buffer &copy)
return *this;
}
+Buffer &Buffer::operator=(const std::vector<uint8_t> &copy)
+{
+ setData(copy.data(), copy.size());
+ return *this;
+}
Buffer &Buffer::operator+=(const Buffer &copy)
{
diff --git a/src/Buffer.h b/src/Buffer.h
index c4c73ce..8c5c768 100644
--- a/src/Buffer.h
+++ b/src/Buffer.h
@@ -2,6 +2,11 @@
Copyright (C) 2011
Her Majesty the Queen in Right of Canada (Communications Research
Center Canada)
+
+ Copyright (C) 2016
+ Matthias P. Braendli, matthias.braendli@mpb.li
+
+ http://opendigitalradio.org
*/
/*
This file is part of ODR-DabMod.
@@ -27,6 +32,7 @@
#endif
#include <unistd.h>
+#include <vector>
#include <memory>
/* Buffer is a container for a byte array, that is memcpy'ed
@@ -50,7 +56,8 @@ class Buffer {
public:
using sptr = std::shared_ptr<Buffer>;
- Buffer(const Buffer& copy);
+ Buffer(const Buffer& copy) = default;
+ Buffer(const std::vector<uint8_t> &vec);
Buffer(size_t len = 0, const void *data = NULL);
~Buffer();
@@ -62,6 +69,7 @@ class Buffer {
*/
void setData(const void *data, size_t len);
Buffer &operator=(const Buffer &copy);
+ Buffer &operator=(const std::vector<uint8_t> &copy);
/* Concatenate the current data with the new data given.
* Reallocates memory if needed.
diff --git a/src/DabMod.cpp b/src/DabMod.cpp
index 2dea12e..e48e748 100644
--- a/src/DabMod.cpp
+++ b/src/DabMod.cpp
@@ -187,7 +187,6 @@ int launch_modulator(int argc, char* argv[])
auto inputZeroMQReader = make_shared<InputZeroMQReader>();
#endif
- auto inputEdiReader = make_shared<InputEdiReader>();
auto inputTcpReader = make_shared<InputTcpReader>();
struct sigaction sa;
@@ -691,6 +690,12 @@ int launch_modulator(int argc, char* argv[])
fprintf(stderr, "%zu Hz\n", outputRate);
}
+
+ EtiReader etiReader(tist_offset_s, tist_delay_stages);
+ EdiReader ediReader;
+ EdiDecoder::ETIDecoder ediInput(ediReader);
+ EdiUdpInput ediUdpInput(ediInput);
+
if (inputTransport == "file") {
// Opening ETI input file
if (inputFileReader.Open(inputName, loop) == -1) {
@@ -717,8 +722,7 @@ int launch_modulator(int argc, char* argv[])
m.inputReader = inputTcpReader.get();
}
else if (inputTransport == "edi") {
- inputEdiReader->Open(inputName);
- m.inputReader = inputEdiReader.get();
+ ediUdpInput.Open(inputName);
}
else
{
@@ -772,94 +776,139 @@ int launch_modulator(int argc, char* argv[])
}
set_thread_name("modulator");
- while (run_again) {
- Flowgraph flowgraph;
+ if (ediUdpInput.isEnabled()) {
+ while (run_again) {
+ Flowgraph flowgraph;
- m.flowgraph = &flowgraph;
- m.data.setLength(6144);
+ etiLog.level(debug) << "Build mod";
+ auto modulator = make_shared<DabModulator>(
+ ediReader, tiiConfig, outputRate, clockRate,
+ dabMode, gainMode, digitalgain, normalise,
+ filterTapsFilename);
- auto input = make_shared<InputMemory>(&m.data);
- auto modulator = make_shared<DabModulator>(
- tist_offset_s, tist_delay_stages,
- tiiConfig, outputRate, clockRate, dabMode, gainMode,
- digitalgain, normalise, filterTapsFilename);
+ etiLog.level(debug) << "Connect";
+ if (format_converter) {
+ flowgraph.connect(modulator, format_converter);
+ flowgraph.connect(format_converter, output);
+ }
+ else {
+ flowgraph.connect(modulator, output);
+ }
- flowgraph.connect(input, modulator);
- if (format_converter) {
- flowgraph.connect(modulator, format_converter);
- flowgraph.connect(format_converter, output);
- }
- else {
- flowgraph.connect(modulator, output);
- }
+ etiLog.level(debug) << "SetETISource";
#if defined(HAVE_OUTPUT_UHD)
- if (useUHDOutput) {
- ((OutputUHD*)output.get())->setETIReader(modulator->getEtiReader());
+ if (useUHDOutput) {
+ ((OutputUHD*)output.get())->setETISource(modulator->getEtiSource());
+ }
+#endif
+
+ etiLog.level(debug) << "Loop";
+ size_t framecount = 0;
+ while (true) {
+ while (not ediReader.isFrameReady()) {
+ ediUdpInput.rxPacket();
+ }
+ etiLog.level(debug) << "Frame Ready";
+ framecount++;
+ flowgraph.run();
+ etiLog.level(debug) << "now clear";
+ ediReader.clearFrame();
+
+ /* Check every once in a while if the remote control
+ * is still working */
+ if ((framecount % 250) == 0) {
+ rcs.check_faults();
+ }
+ }
+
}
+ }
+ else {
+ while (run_again) {
+ Flowgraph flowgraph;
+
+ m.flowgraph = &flowgraph;
+ m.data.setLength(6144);
+
+ auto input = make_shared<InputMemory>(&m.data);
+ auto modulator = make_shared<DabModulator>(
+ etiReader, tiiConfig, outputRate, clockRate,
+ dabMode, gainMode, digitalgain, normalise,
+ filterTapsFilename);
+
+ if (format_converter) {
+ flowgraph.connect(modulator, format_converter);
+ flowgraph.connect(format_converter, output);
+ }
+ else {
+ flowgraph.connect(modulator, output);
+ }
+
+#if defined(HAVE_OUTPUT_UHD)
+ if (useUHDOutput) {
+ ((OutputUHD*)output.get())->setETISource(modulator->getEtiSource());
+ }
#endif
- m.inputReader->PrintInfo();
-
- run_modulator_state_t st = run_modulator(m);
- etiLog.log(trace, "DABMOD,run_modulator() = %d", st);
-
- switch (st) {
- case run_modulator_state_t::failure:
- etiLog.level(error) << "Modulator failure.";
- run_again = false;
- ret = 1;
- break;
- case run_modulator_state_t::again:
- etiLog.level(warn) << "Restart modulator.";
- run_again = false;
- if (inputTransport == "file") {
- if (inputFileReader.Open(inputName, loop) == -1) {
- etiLog.level(error) << "Unable to open input file!";
- ret = 1;
+ m.inputReader->PrintInfo();
+
+ run_modulator_state_t st = run_modulator(m);
+ etiLog.log(trace, "DABMOD,run_modulator() = %d", st);
+
+ switch (st) {
+ case run_modulator_state_t::failure:
+ etiLog.level(error) << "Modulator failure.";
+ run_again = false;
+ ret = 1;
+ break;
+ case run_modulator_state_t::again:
+ etiLog.level(warn) << "Restart modulator.";
+ run_again = false;
+ if (inputTransport == "file") {
+ if (inputFileReader.Open(inputName, loop) == -1) {
+ etiLog.level(error) << "Unable to open input file!";
+ ret = 1;
+ }
+ else {
+ run_again = true;
+ }
}
- else {
+ else if (inputTransport == "zeromq") {
+#if defined(HAVE_ZEROMQ)
run_again = true;
+ // Create a new input reader
+ inputZeroMQReader = make_shared<InputZeroMQReader>();
+ inputZeroMQReader->Open(inputName, inputMaxFramesQueued);
+ m.inputReader = inputZeroMQReader.get();
+#endif
}
- }
- else if (inputTransport == "zeromq") {
-#if defined(HAVE_ZEROMQ)
+ else if (inputTransport == "tcp") {
+ inputTcpReader = make_shared<InputTcpReader>();
+ inputTcpReader->Open(inputName);
+ m.inputReader = inputTcpReader.get();
+ }
+ break;
+ case run_modulator_state_t::reconfigure:
+ etiLog.level(warn) << "Detected change in ensemble configuration.";
+ /* We can keep the input in this care */
run_again = true;
- // Create a new input reader
- inputZeroMQReader = make_shared<InputZeroMQReader>();
- inputZeroMQReader->Open(inputName, inputMaxFramesQueued);
- m.inputReader = inputZeroMQReader.get();
-#endif
- }
- else if (inputTransport == "tcp") {
- inputTcpReader = make_shared<InputTcpReader>();
- inputTcpReader->Open(inputName);
- m.inputReader = inputTcpReader.get();
- }
- break;
- case run_modulator_state_t::reconfigure:
- etiLog.level(warn) << "Detected change in ensemble configuration.";
- /* We can keep the input in this care */
- run_again = true;
- break;
- case run_modulator_state_t::normal_end:
- default:
- etiLog.level(info) << "modulator stopped.";
- ret = 0;
- run_again = false;
- break;
- }
-
- fprintf(stderr, "\n\n");
- etiLog.level(info) << m.framecount << " DAB frames encoded";
- etiLog.level(info) << ((float)m.framecount * 0.024f) << " seconds encoded";
-
- m.data.setLength(0);
- }
+ break;
+ case run_modulator_state_t::normal_end:
+ default:
+ etiLog.level(info) << "modulator stopped.";
+ ret = 0;
+ run_again = false;
+ break;
+ }
+
+ fprintf(stderr, "\n\n");
+ etiLog.level(info) << m.framecount << " DAB frames encoded";
+ etiLog.level(info) << ((float)m.framecount * 0.024f) << " seconds encoded";
- ////////////////////////////////////////////////////////////////////////
- // Cleaning things
- ////////////////////////////////////////////////////////////////////////
+ m.data.setLength(0);
+ }
+ }
etiLog.level(info) << "Terminating";
return ret;
@@ -867,6 +916,7 @@ int launch_modulator(int argc, char* argv[])
run_modulator_state_t run_modulator(modulator_data& m)
{
+
auto ret = run_modulator_state_t::failure;
try {
while (running) {
@@ -887,9 +937,6 @@ run_modulator_state_t run_modulator(modulator_data& m)
PDEBUG("* Read frame %lu\n", m.framecount);
PDEBUG("*****************************************\n");
- ////////////////////////////////////////////////////////////////
- // Processing data
- ////////////////////////////////////////////////////////////////
m.flowgraph->run();
/* Check every once in a while if the remote control
diff --git a/src/DabModulator.cpp b/src/DabModulator.cpp
index 6c28a2e..cbe8f07 100644
--- a/src/DabModulator.cpp
+++ b/src/DabModulator.cpp
@@ -3,7 +3,7 @@
Her Majesty the Queen in Right of Canada (Communications Research
Center Canada)
- Copyright (C) 2015
+ Copyright (C) 2016
Matthias P. Braendli, matthias.braendli@mpb.li
http://opendigitalradio.org
@@ -55,21 +55,21 @@
#include "Log.h"
DabModulator::DabModulator(
- double& tist_offset_s, unsigned tist_delay_stages,
+ EtiSource& etiSource,
tii_config_t& tiiConfig,
unsigned outputRate, unsigned clockRate,
unsigned dabMode, GainMode gainMode,
float& digGain, float normalise,
const std::string& filterTapsFilename
) :
- ModCodec(),
+ ModInput(),
myOutputRate(outputRate),
myClockRate(clockRate),
myDabMode(dabMode),
myGainMode(gainMode),
myDigGain(digGain),
myNormalise(normalise),
- myEtiReader(tist_offset_s, tist_delay_stages),
+ myEtiSource(etiSource),
myFlowgraph(NULL),
myFilterTapsFilename(filterTapsFilename),
myTiiConfig(tiiConfig)
@@ -134,16 +134,14 @@ void DabModulator::setMode(unsigned mode)
}
-int DabModulator::process(Buffer* const dataIn, Buffer* dataOut)
+int DabModulator::process(Buffer* dataOut)
{
using namespace std;
- PDEBUG("DabModulator::process(dataIn: %p, dataOut: %p)\n",
- dataIn, dataOut);
+ PDEBUG("DabModulator::process(dataOut: %p)\n", dataOut);
- myEtiReader.process(dataIn);
if (myFlowgraph == NULL) {
- unsigned mode = myEtiReader.getMode();
+ unsigned mode = myEtiSource.getMode();
if (myDabMode != 0) {
mode = myDabMode;
} else if (mode == 0) {
@@ -156,10 +154,8 @@ int DabModulator::process(Buffer* const dataIn, Buffer* dataOut)
// CIF data initialisation
////////////////////////////////////////////////////////////////
auto cifPrbs = make_shared<PrbsGenerator>(864 * 8, 0x110);
- auto cifMux = make_shared<FrameMultiplexer>(
- myFicSizeOut + 864 * 8, myEtiReader.getSubchannels());
-
- auto cifPart = make_shared<BlockPartitioner>(mode, myEtiReader.getFp());
+ auto cifMux = make_shared<FrameMultiplexer>(myEtiSource);
+ auto cifPart = make_shared<BlockPartitioner>(mode, myEtiSource.getFp());
auto cifMap = make_shared<QpskSymbolMapper>(myNbCarriers);
auto cifRef = make_shared<PhaseReference>(mode);
@@ -229,7 +225,7 @@ int DabModulator::process(Buffer* const dataIn, Buffer* dataOut)
////////////////////////////////////////////////////////////////
// Processing FIC
////////////////////////////////////////////////////////////////
- shared_ptr<FicSource> fic(myEtiReader.getFic());
+ shared_ptr<FicSource> fic(myEtiSource.getFic());
////////////////////////////////////////////////////////////////
// Data initialisation
////////////////////////////////////////////////////////////////
@@ -269,7 +265,7 @@ int DabModulator::process(Buffer* const dataIn, Buffer* dataOut)
////////////////////////////////////////////////////////////////
// Configuring subchannels
////////////////////////////////////////////////////////////////
- for (const auto& subchannel : myEtiReader.getSubchannels()) {
+ for (const auto& subchannel : myEtiSource.getSubchannels()) {
////////////////////////////////////////////////////////////
// Data initialisation
diff --git a/src/DabModulator.h b/src/DabModulator.h
index 77c0457..d768875 100644
--- a/src/DabModulator.h
+++ b/src/DabModulator.h
@@ -3,7 +3,7 @@
Her Majesty the Queen in Right of Canada (Communications Research
Center Canada)
- Copyright (C) 2015
+ Copyright (C) 2016
Matthias P. Braendli, matthias.braendli@mpb.li
http://opendigitalradio.org
@@ -45,11 +45,11 @@
#include "TII.h"
-class DabModulator : public ModCodec
+class DabModulator : public ModInput
{
public:
DabModulator(
- double& tist_offset_s, unsigned tist_delay_stages,
+ EtiSource& etiSource,
tii_config_t& tiiConfig,
unsigned outputRate, unsigned clockRate,
unsigned dabMode, GainMode gainMode,
@@ -59,11 +59,11 @@ public:
DabModulator& operator=(const DabModulator& other) = delete;
virtual ~DabModulator();
- int process(Buffer* const dataIn, Buffer* dataOut);
+ int process(Buffer* dataOut);
const char* name() { return "DabModulator"; }
/* Required to get the timestamp */
- EtiReader* getEtiReader() { return &myEtiReader; }
+ EtiSource* getEtiSource() { return &myEtiSource; }
protected:
void setMode(unsigned mode);
@@ -74,7 +74,7 @@ protected:
GainMode myGainMode;
float& myDigGain;
float myNormalise;
- EtiReader myEtiReader;
+ EtiSource& myEtiSource;
Flowgraph* myFlowgraph;
OutputMemory* myOutput;
std::string myFilterTapsFilename;
diff --git a/src/EtiReader.cpp b/src/EtiReader.cpp
index 010124c..3207a1f 100644
--- a/src/EtiReader.cpp
+++ b/src/EtiReader.cpp
@@ -34,6 +34,7 @@
#include <sys/types.h>
#include <string.h>
#include <arpa/inet.h>
+#include <regex>
using namespace std;
@@ -56,17 +57,14 @@ EtiReader::EtiReader(
double& tist_offset_s,
unsigned tist_delay_stages) :
state(EtiReaderStateSync),
- myTimestampDecoder(tist_offset_s, tist_delay_stages)
+ myTimestampDecoder(tist_offset_s, tist_delay_stages),
+ myCurrentFrame(0),
+ eti_fc_valid(false)
{
- PDEBUG("EtiReader::EtiReader()\n");
-
rcs.enrol(&myTimestampDecoder);
-
- myCurrentFrame = 0;
- eti_fc_valid = false;
}
-std::shared_ptr<FicSource>& EtiReader::getFic()
+std::shared_ptr<FicSource>& EtiSource::getFic()
{
return myFicSource;
}
@@ -90,7 +88,7 @@ unsigned EtiReader::getFp()
}
-const std::vector<std::shared_ptr<SubchannelSource> >& EtiReader::getSubchannels()
+const std::vector<std::shared_ptr<SubchannelSource> > EtiReader::getSubchannels() const
{
return mySources;
}
@@ -158,7 +156,9 @@ int EtiReader::process(const Buffer* dataIn)
throw std::runtime_error("FIC must be present to modulate!");
}
if (not myFicSource) {
- myFicSource = make_shared<FicSource>(eti_fc);
+ unsigned ficf = eti_fc.FICF;
+ unsigned mid = eti_fc.MID;
+ myFicSource = make_shared<FicSource>(ficf, mid);
}
break;
case EtiReaderStateNst:
@@ -173,8 +173,12 @@ int EtiReader::process(const Buffer* dataIn)
mySources.clear();
for (unsigned i = 0; i < eti_fc.NST; ++i) {
+ const auto tpl = eti_stc[i].TPL;
mySources.push_back(
- make_shared<SubchannelSource>(eti_stc[i]));
+ make_shared<SubchannelSource>(
+ eti_stc[i].getStartAddress(),
+ eti_stc[i].getSTL(),
+ tpl));
PDEBUG("Sstc %u:\n", i);
PDEBUG(" Stc%i.scid: %i\n", i, eti_stc[i].SCID);
PDEBUG(" Stc%i.sad: %u\n", i, eti_stc[i].getStartAddress());
@@ -300,3 +304,247 @@ uint32_t EtiReader::getPPSOffset()
return timestamp;
}
+
+unsigned EdiReader::getMode()
+{
+ if (not m_fc_valid) {
+ assert(false);
+ throw std::runtime_error("Trying to access Mode before it is ready!");
+ }
+ return m_fc.mid;
+}
+
+
+unsigned EdiReader::getFp()
+{
+ if (not m_fc_valid) {
+ throw std::runtime_error("Trying to access FP before it is ready!");
+ }
+ return m_fc.fp;
+}
+
+const std::vector<std::shared_ptr<SubchannelSource> > EdiReader::getSubchannels() const
+{
+ std::vector<std::shared_ptr<SubchannelSource> > sources;
+
+ sources.resize(m_sources.size());
+ for (const auto s : m_sources) {
+ if (s.first < sources.size()) {
+ sources.at(s.first) = s.second;
+ }
+ else {
+ throw std::runtime_error("Missing subchannel data in EDI source");
+ }
+ }
+
+ return sources;
+}
+
+bool EdiReader::isFrameReady()
+{
+ return m_frameReady;
+}
+
+void EdiReader::clearFrame()
+{
+ m_frameReady = false;
+ m_proto_valid = false;
+ m_fc_valid = false;
+ m_fic.clear();
+}
+
+void EdiReader::update_protocol(
+ const std::string& proto,
+ uint16_t major,
+ uint16_t minor)
+{
+ m_proto_valid = (proto == "DETI" and major == 0 and minor == 0);
+
+ if (not m_proto_valid) {
+ throw std::invalid_argument("Wrong EDI protocol");
+ }
+}
+
+void EdiReader::update_err(uint8_t err)
+{
+ if (not m_proto_valid) {
+ throw std::logic_error("Cannot update ERR before protocol");
+ }
+ m_err = err;
+}
+
+void EdiReader::update_fc_data(const EdiDecoder::eti_fc_data& fc_data)
+{
+ if (not m_proto_valid) {
+ throw std::logic_error("Cannot update FC before protocol");
+ }
+
+ m_fc_valid = false;
+ m_fc = fc_data;
+
+ if (not m_fc.ficf) {
+ throw std::invalid_argument("FIC must be present");
+ }
+
+ if (m_fc.mid > 4) {
+ throw std::invalid_argument("Invalid MID");
+ }
+
+ if (m_fc.fp > 7) {
+ throw std::invalid_argument("Invalid FP");
+ }
+
+ m_fc_valid = true;
+}
+
+void EdiReader::update_fic(const std::vector<uint8_t>& fic)
+{
+ if (not m_proto_valid) {
+ throw std::logic_error("Cannot update FIC before protocol");
+ }
+ m_fic = fic;
+}
+
+void EdiReader::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 EdiReader::update_mnsc(uint16_t mnsc)
+{
+ if (not m_proto_valid) {
+ throw std::logic_error("Cannot update MNSC before protocol");
+ }
+
+ m_mnsc = mnsc;
+}
+
+void EdiReader::update_rfu(uint16_t rfu)
+{
+ if (not m_proto_valid) {
+ throw std::logic_error("Cannot update RFU before protocol");
+ }
+
+ m_rfu = rfu;
+}
+
+void EdiReader::add_subchannel(const EdiDecoder::eti_stc_data& stc)
+{
+ if (not m_proto_valid) {
+ throw std::logic_error("Cannot add subchannel before protocol");
+ }
+
+ if (m_sources.count(stc.stream_index) == 0) {
+ m_sources[stc.stream_index] = make_shared<SubchannelSource>(stc.sad, stc.stl(), stc.tpl);
+ }
+
+ auto& source = m_sources[stc.stream_index];
+
+ if (source->framesize() != stc.mst.size()) {
+ throw std::invalid_argument(
+ "EDI: MST data length inconsistent with FIC");
+ }
+ source->loadSubchannelData(stc.mst);
+
+ if (m_sources.size() > 64) {
+ throw std::invalid_argument("Too many subchannels");
+ }
+}
+
+void EdiReader::assemble()
+{
+ etiLog.level(debug) << "Calling assemble";
+ if (not m_proto_valid) {
+ throw std::logic_error("Cannot assemble EDI data before protocol");
+ }
+
+ if (not m_fc_valid) {
+ throw std::logic_error("Cannot assemble EDI data without FC");
+ }
+
+ if (m_fic.empty()) {
+ throw std::logic_error("Cannot assemble EDI data without FIC");
+ }
+
+ // ETS 300 799 Clause 5.3.2, but we don't support not having
+ // a FIC
+ if ( (m_fc.mid == 3 and m_fic.size() != 32 * 4) or
+ (m_fc.mid != 3 and m_fic.size() != 24 * 4) ) {
+ stringstream ss;
+ ss << "Invalid FIC length " << m_fic.size() <<
+ " for MID " << m_fc.mid;
+ throw std::invalid_argument(ss.str());
+ }
+
+ if (not myFicSource) {
+ myFicSource = make_shared<FicSource>(m_fc.ficf, m_fc.mid);
+ }
+
+ myFicSource->loadFicData(m_fic);
+
+ // Accept zero subchannels, because of an edge-case that can happen
+ // during reconfiguration. See ETS 300 799 Clause 5.3.3
+
+ // TODO check time validity
+
+ /* TODO timestamp
+ myTimestampDecoder.updateTimestampEti(
+ eti_fc.FP & 0x3,
+ eti_eoh.MNSC, getPPSOffset(), eti_fc.FCT);
+ */
+ m_frameReady = true;
+}
+
+EdiUdpInput::EdiUdpInput(EdiDecoder::ETIDecoder& decoder) :
+ m_enabled(false),
+ m_port(0),
+ m_decoder(decoder) { }
+
+int EdiUdpInput::Open(const std::string& uri)
+{
+ etiLog.level(info) << "Opening EDI :" << uri;
+
+ int ret = 1;
+
+ const std::regex re_udp("udp://:([0-9]+)");
+ std::smatch m;
+ if (std::regex_match(uri, m, re_udp)) {
+ m_port = std::stoi(m[1].str());
+
+ etiLog.level(info) << "EDI port :" << m_port;
+ ret = m_sock.reinit(m_port, "0.0.0.0");
+ m_enabled = (ret == 0);
+ }
+
+ return ret;
+}
+
+void EdiUdpInput::rxPacket()
+{
+ const size_t packsize = 8192;
+ UdpPacket packet(packsize);
+
+ int ret = m_sock.receive(packet);
+ if (ret == 0) {
+ const auto &buf = packet.getBuffer();
+ if (packet.getSize() == packsize) {
+ fprintf(stderr, "Warning, possible UDP truncation\n");
+ }
+
+ m_decoder.push_packet(buf);
+ }
+ else {
+ fprintf(stderr, "Socket error: %s\n", inetErrMsg);
+ }
+}
+
diff --git a/src/EtiReader.h b/src/EtiReader.h
index cfc03af..04d627d 100644
--- a/src/EtiReader.h
+++ b/src/EtiReader.h
@@ -36,6 +36,8 @@
#include "FicSource.h"
#include "SubchannelSource.h"
#include "TimestampDecoder.h"
+#include "lib/edi/ETIDecoder.hpp"
+#include "lib/UdpSocket.h"
#include <vector>
#include <memory>
@@ -43,26 +45,42 @@
#include <sys/types.h>
-class EtiReader
+class EtiSource
+{
+public:
+ virtual unsigned getMode() = 0;
+ virtual unsigned getFp() = 0;
+
+ virtual bool sourceContainsTimestamp() = 0;
+ virtual void calculateTimestamp(struct frame_timestamp& ts) = 0;
+
+ virtual std::shared_ptr<FicSource>& getFic(void);
+ virtual const std::vector<std::shared_ptr<SubchannelSource> > getSubchannels() const = 0;
+
+protected:
+ std::shared_ptr<FicSource> myFicSource;
+};
+
+class EtiReader : public EtiSource
{
public:
EtiReader(
double& tist_offset_s,
unsigned tist_delay_stages);
- std::shared_ptr<FicSource>& getFic();
- unsigned getMode();
- unsigned getFp();
- const std::vector<std::shared_ptr<SubchannelSource> >& getSubchannels();
+ virtual unsigned getMode();
+ virtual unsigned getFp();
int process(const Buffer* dataIn);
- void calculateTimestamp(struct frame_timestamp& ts)
+ virtual void calculateTimestamp(struct frame_timestamp& ts)
{
myTimestampDecoder.calculateTimestamp(ts);
}
/* Returns true if we have valid time stamps in the ETI*/
- bool sourceContainsTimestamp();
+ virtual bool sourceContainsTimestamp();
+
+ virtual const std::vector<std::shared_ptr<SubchannelSource> > getSubchannels() const;
private:
/* Transform the ETI TIST to a PPS offset in units of 1/16384000 s */
@@ -78,13 +96,93 @@ private:
eti_EOH eti_eoh;
eti_EOF eti_eof;
eti_TIST eti_tist;
- std::shared_ptr<FicSource> myFicSource;
- std::vector<std::shared_ptr<SubchannelSource> > mySources;
TimestampDecoder myTimestampDecoder;
size_t myCurrentFrame;
bool eti_fc_valid;
+
+ std::vector<std::shared_ptr<SubchannelSource> > mySources;
+};
+
+class EdiReader : public EtiSource, public EdiDecoder::DataCollector
+{
+public:
+ virtual unsigned getMode();
+ virtual unsigned getFp();
+ virtual bool sourceContainsTimestamp() { return false; }
+ virtual void calculateTimestamp(struct frame_timestamp& ts)
+ { /* TODO */ }
+ virtual const std::vector<std::shared_ptr<SubchannelSource> > getSubchannels() const;
+
+ virtual bool isFrameReady(void);
+ virtual void clearFrame(void);
+
+ // 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);
+
+ // Update the data for the frame characterisation
+ virtual void update_fc_data(const EdiDecoder::eti_fc_data& fc_data);
+
+ virtual void update_fic(const std::vector<uint8_t>& fic);
+
+ virtual void update_err(uint8_t err);
+
+ // In addition to TSTA in ETI, EDI also transports more time
+ // stamp information.
+ virtual void update_edi_time(
+ uint32_t utco,
+ uint32_t seconds);
+
+ virtual void update_mnsc(uint16_t mnsc);
+
+ virtual void update_rfu(uint16_t rfu);
+
+ virtual void add_subchannel(const EdiDecoder::eti_stc_data& stc);
+
+ // Tell the ETIWriter that the AFPacket is complete
+ virtual void assemble(void);
+private:
+ bool m_proto_valid = false;
+ bool m_frameReady = false;
+
+ uint8_t m_err;
+
+ bool m_fc_valid = false;
+ EdiDecoder::eti_fc_data m_fc;
+
+ std::vector<uint8_t> m_fic;
+
+ bool m_time_valid = false;
+ uint32_t m_utco;
+ uint32_t m_seconds;
+
+ uint16_t m_mnsc = 0xffff;
+
+ // 16 bits: RFU field in EOH
+ uint16_t m_rfu = 0xffff;
+
+ std::map<uint8_t, std::shared_ptr<SubchannelSource> > m_sources;
};
+class EdiUdpInput {
+ public:
+ EdiUdpInput(EdiDecoder::ETIDecoder& decoder);
+ int Open(const std::string& uri);
+
+ bool isEnabled(void) const { return m_enabled; }
+
+ void rxPacket(void);
+
+ private:
+ bool m_enabled;
+ int m_port;
+
+ UdpSocket m_sock;
+ EdiDecoder::ETIDecoder& m_decoder;
+};
diff --git a/src/FicSource.cpp b/src/FicSource.cpp
index 85614f6..92932ec 100644
--- a/src/FicSource.cpp
+++ b/src/FicSource.cpp
@@ -39,7 +39,7 @@ const std::vector<PuncturingRule>& FicSource::get_rules()
}
-FicSource::FicSource(eti_FC &fc) :
+FicSource::FicSource(unsigned ficf, unsigned mid) :
ModInput()
{
// PDEBUG("FicSource::FicSource(...)\n");
@@ -47,13 +47,13 @@ FicSource::FicSource(eti_FC &fc) :
// PDEBUG(" Framesize: %i\n", d_framesize);
// PDEBUG(" Protection: %i\n", d_protection);
- if (fc.FICF == 0) {
+ if (ficf == 0) {
d_framesize = 0;
d_buffer.setLength(0);
return;
}
- if (fc.MID == 3) {
+ if (mid == 3) {
d_framesize = 32 * 4;
d_puncturing_rules.emplace_back(29 * 16, 0xeeeeeeee);
d_puncturing_rules.emplace_back(3 * 16, 0xeeeeeeec);
diff --git a/src/FicSource.h b/src/FicSource.h
index cb1d3a8..77ac741 100644
--- a/src/FicSource.h
+++ b/src/FicSource.h
@@ -39,7 +39,7 @@
class FicSource : public ModInput
{
public:
- FicSource(eti_FC &fc);
+ FicSource(unsigned ficf, unsigned mid);
size_t getFramesize();
const std::vector<PuncturingRule>& get_rules();
diff --git a/src/FrameMultiplexer.cpp b/src/FrameMultiplexer.cpp
index c8ee299..d16ee44 100644
--- a/src/FrameMultiplexer.cpp
+++ b/src/FrameMultiplexer.cpp
@@ -2,7 +2,7 @@
Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011 Her Majesty
the Queen in Right of Canada (Communications Research Center Canada)
- Copyright (C) 2016
+ Copyright (C) 2017
Matthias P. Braendli, matthias.braendli@mpb.li
http://opendigitalradio.org
@@ -37,24 +37,12 @@
typedef std::complex<float> complexf;
FrameMultiplexer::FrameMultiplexer(
- size_t framesize,
- const std::vector<std::shared_ptr<SubchannelSource> >& subchannels) :
+ const EtiSource& etiSource) :
ModMux(),
- d_frameSize(framesize),
- mySubchannels(subchannels)
+ m_etiSource(etiSource)
{
- PDEBUG("FrameMultiplexer::FrameMultiplexer(%zu) @ %p\n", framesize, this);
-
-}
-
-
-FrameMultiplexer::~FrameMultiplexer()
-{
- PDEBUG("FrameMultiplexer::~FrameMultiplexer() @ %p\n", this);
-
}
-
// dataIn[0] -> PRBS
// dataIn[1+] -> subchannels
int FrameMultiplexer::process(std::vector<Buffer*> dataIn, Buffer* dataOut)
@@ -81,12 +69,14 @@ int FrameMultiplexer::process(std::vector<Buffer*> dataIn, Buffer* dataOut)
// Write PRBS
memcpy(out, (*in)->getData(), (*in)->getLength());
++in;
+
// Write subchannel
- if (mySubchannels.size() != dataIn.size() - 1) {
+ const auto subchannels = m_etiSource.getSubchannels();
+ if (subchannels.size() != dataIn.size() - 1) {
throw std::out_of_range(
"FrameMultiplexer detected subchannel size change!");
}
- auto subchannel = mySubchannels.begin();
+ auto subchannel = subchannels.begin();
while (in != dataIn.end()) {
if ((*subchannel)->framesizeCu() * 8 != (*in)->getLength()) {
throw std::out_of_range(
diff --git a/src/FrameMultiplexer.h b/src/FrameMultiplexer.h
index e01f4bf..680cdc7 100644
--- a/src/FrameMultiplexer.h
+++ b/src/FrameMultiplexer.h
@@ -2,7 +2,7 @@
Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011 Her Majesty
the Queen in Right of Canada (Communications Research Center Canada)
- Copyright (C) 2016
+ Copyright (C) 2017
Matthias P. Braendli, matthias.braendli@mpb.li
http://opendigitalradio.org
@@ -33,6 +33,7 @@
#include "ModPlugin.h"
#include "SubchannelSource.h"
+#include "EtiReader.h"
#include <memory>
#include <sys/types.h>
@@ -42,19 +43,13 @@ class FrameMultiplexer : public ModMux
{
public:
FrameMultiplexer(
- size_t frameSize,
- const std::vector<std::shared_ptr<SubchannelSource> >& subchannels);
- virtual ~FrameMultiplexer();
- FrameMultiplexer(const FrameMultiplexer&) = delete;
- FrameMultiplexer& operator=(const FrameMultiplexer&) = delete;
-
+ const EtiSource& etiSource);
int process(std::vector<Buffer*> dataIn, Buffer* dataOut);
const char* name() { return "FrameMultiplexer"; }
protected:
- size_t d_frameSize;
- const std::vector<std::shared_ptr<SubchannelSource> >& mySubchannels;
+ const EtiSource& m_etiSource;
};
diff --git a/src/InputReader.h b/src/InputReader.h
index fddfccf..f0e7197 100644
--- a/src/InputReader.h
+++ b/src/InputReader.h
@@ -245,28 +245,5 @@ class InputZeroMQReader : public InputReader
struct InputZeroMQThreadData workerdata_;
};
-class InputEdiReader : public InputReader
-{
-public:
- InputEdiReader();
-
- int Open(const std::string& uri);
-
- int GetNextFrame(void* buffer);
-
- void PrintInfo(void);
-
-private:
- void rx_packet(void);
-
- std::vector<uint8_t> getEtiFrame(void);
-
- EdiDecoder::ETIWriter m_writer;
- EdiDecoder::ETIDecoder m_decoder;
-
- int m_port;
- UdpSocket m_sock;
-};
-
#endif
diff --git a/src/OutputUHD.cpp b/src/OutputUHD.cpp
index 55a24b2..26283a8 100644
--- a/src/OutputUHD.cpp
+++ b/src/OutputUHD.cpp
@@ -273,9 +273,9 @@ OutputUHD::~OutputUHD()
}
-void OutputUHD::setETIReader(EtiReader *etiReader)
+void OutputUHD::setETISource(EtiSource *etiSource)
{
- myEtiReader = etiReader;
+ myEtiSource = etiSource;
}
int transmission_frame_duration_ms(unsigned int dabMode)
@@ -331,7 +331,7 @@ int OutputUHD::process(Buffer* dataIn)
// we only set the delay buffer from the dab mode signaled in ETI if the
// dab mode was not set in contructor
if (myTFDurationMs == 0) {
- SetDelayBuffer(myEtiReader->getMode());
+ SetDelayBuffer(myEtiSource->getMode());
}
worker.start(&uwd);
@@ -350,7 +350,7 @@ int OutputUHD::process(Buffer* dataIn)
}
uwd.sourceContainsTimestamp = myConf.enableSync &&
- myEtiReader->sourceContainsTimestamp();
+ myEtiSource->sourceContainsTimestamp();
if (uwd.check_gpsfix) {
@@ -387,7 +387,7 @@ int OutputUHD::process(Buffer* dataIn)
frame.buf.begin());
}
- myEtiReader->calculateTimestamp(frame.ts);
+ myEtiSource->calculateTimestamp(frame.ts);
if (!uwd.running) {
worker.stop();
diff --git a/src/OutputUHD.h b/src/OutputUHD.h
index 9987c79..ed68aaa 100644
--- a/src/OutputUHD.h
+++ b/src/OutputUHD.h
@@ -225,7 +225,7 @@ class OutputUHD: public ModOutput, public RemoteControllable {
const char* name() { return "OutputUHD"; }
- void setETIReader(EtiReader *etiReader);
+ void setETISource(EtiSource *etiSource);
/*********** REMOTE CONTROL ***************/
@@ -242,7 +242,7 @@ class OutputUHD: public ModOutput, public RemoteControllable {
OutputUHD(const OutputUHD& other) = delete;
OutputUHD& operator=(const OutputUHD& other) = delete;
- EtiReader *myEtiReader;
+ EtiSource *myEtiSource;
OutputUHDConfig& myConf;
uhd::usrp::multi_usrp::sptr myUsrp;
std::shared_ptr<boost::barrier> mySyncBarrier;
diff --git a/src/SubchannelSource.cpp b/src/SubchannelSource.cpp
index 7632de5..82636f9 100644
--- a/src/SubchannelSource.cpp
+++ b/src/SubchannelSource.cpp
@@ -65,11 +65,15 @@ const std::vector<PuncturingRule>& SubchannelSource::get_rules() const
}
-SubchannelSource::SubchannelSource(eti_STC &stc) :
+SubchannelSource::SubchannelSource(
+ uint8_t sad,
+ uint16_t stl,
+ uint8_t tpl
+ ) :
ModInput(),
- d_start_address(stc.getStartAddress()),
- d_framesize(stc.getSTL() * 8),
- d_protection(stc.TPL)
+ d_start_address(sad),
+ d_framesize(stl * 8),
+ d_protection(tpl)
{
PDEBUG("SubchannelSource::SubchannelSource(...) @ %p\n", this);
PDEBUG(" Start address: %zu\n", d_start_address);
@@ -109,7 +113,7 @@ SubchannelSource::SubchannelSource(eti_STC &stc) :
fprintf(stderr,
"Protection form(%zu), option(%zu) and level(%zu)\n",
protectionForm(), protectionOption(), protectionLevel());
- fprintf(stderr, "Subchannel TPL: 0x%x (%u)\n", stc.TPL, stc.TPL);
+ fprintf(stderr, "Subchannel TPL: 0x%x (%u)\n", tpl, tpl);
throw std::runtime_error("SubchannelSource::SubchannelSource "
"unknown protection level!");
}
@@ -143,7 +147,7 @@ SubchannelSource::SubchannelSource(eti_STC &stc) :
fprintf(stderr,
"Protection form(%zu), option(%zu) and level(%zu)\n",
protectionForm(), protectionOption(), protectionLevel());
- fprintf(stderr, "Subchannel TPL: 0x%x (%u)\n", stc.TPL, stc.TPL);
+ fprintf(stderr, "Subchannel TPL: 0x%x (%u)\n", tpl, tpl);
throw std::runtime_error("SubchannelSource::SubchannelSource "
"unknown protection level!");
}
@@ -151,7 +155,7 @@ SubchannelSource::SubchannelSource(eti_STC &stc) :
fprintf(stderr,
"Protection form(%zu), option(%zu) and level(%zu)\n",
protectionForm(), protectionOption(), protectionLevel());
- fprintf(stderr, "Subchannel TPL: 0x%x (%u)\n", stc.TPL, stc.TPL);
+ fprintf(stderr, "Subchannel TPL: 0x%x (%u)\n", tpl, tpl);
throw std::runtime_error("SubchannelSource::SubchannelSource "
"unknown protection option!");
}
diff --git a/src/SubchannelSource.h b/src/SubchannelSource.h
index a38c281..2dab941 100644
--- a/src/SubchannelSource.h
+++ b/src/SubchannelSource.h
@@ -41,7 +41,11 @@
class SubchannelSource : public ModInput
{
public:
- SubchannelSource(eti_STC &stc);
+ SubchannelSource(
+ uint8_t sad,
+ uint16_t stl,
+ uint8_t tpl
+ );
size_t startAddress() const;
size_t framesize() const;
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-21 12:55:18 +0000