Add delay logic to odr-zmq2edi

1 files changed, 83 insertions, 0 deletions

diff --git a/src/zmq2edi/EDISender.h b/src/zmq2edi/EDISender.h
new file mode 100644
index 0000000..c269652
--- /dev/null
+++ b/src/zmq2edi/EDISender.h
@@ -0,0 +1,83 @@
+/*
+   Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
+   2011, 2012 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
+#include <iostream>
+#include <iterator>
+#include <thread>
+#include <vector>
+#include <chrono>
+#include <atomic>
+#include "ThreadsafeQueue.h"
+#include "dabOutput/dabOutput.h"
+#include "dabOutput/edi/TagItems.h"
+#include "dabOutput/edi/TagPacket.h"
+#include "dabOutput/edi/AFPacket.h"
+#include "dabOutput/edi/PFT.h"
+#include "dabOutput/edi/Interleaver.h"
+
+// This metadata gets transmitted in the zmq stream
+struct metadata_t {
+    uint32_t edi_time;
+    int16_t utc_offset;
+    uint16_t dlfc;
+};
+
+using frame_t = std::pair<std::vector<uint8_t>, metadata_t>;
+
+class EDISender {
+    public:
+        EDISender() = default;
+        EDISender(const EDISender& other) = delete;
+        EDISender& operator=(const EDISender& other) = delete;
+        ~EDISender();
+        void start(const edi_configuration_t& conf, int delay_ms);
+        void push_frame(const frame_t& frame);
+        void print_configuration(void);
+
+    private:
+        void send_eti_frame(uint8_t* p, metadata_t metadata);
+        void process(void);
+
+        int tist_delay_ms;
+        std::atomic<bool> running;
+        std::thread process_thread;
+        edi_configuration_t edi_conf;
+        std::chrono::steady_clock::time_point startTime;
+        ThreadsafeQueue<frame_t> frames;
+        std::ofstream edi_debug_file;
+
+        // The TagPacket will then be placed into an AFPacket
+        edi::AFPacketiser edi_afPacketiser;
+
+        // The AF Packet will be protected with reed-solomon and split in fragments
+        edi::PFT edi_pft;
+
+        // To mitigate for burst packet loss, PFT fragments can be sent out-of-order
+        edi::Interleaver edi_interleaver;
+
+};