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authorMatthias P. Braendli <matthias.braendli@mpb.li>2019-06-25 10:50:23 +0200
committerMatthias P. Braendli <matthias.braendli@mpb.li>2019-06-25 10:50:23 +0200
commit03967733d70220e2de7af3cdad320aec5c82ede1 (patch)
tree4a1bd7adfb8825c95cfc1fa0c69f857aef234561 /src/input/Edi.h
parent15d7ad8ac5bb187ac323da7dc30b9724b18c7df7 (diff)
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Add more EDI input improvements
Diffstat (limited to 'src/input/Edi.h')
-rw-r--r--src/input/Edi.h82
1 files changed, 82 insertions, 0 deletions
diff --git a/src/input/Edi.h b/src/input/Edi.h
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+/*
+ 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<std::vector<uint8_t> > m_frames;
+
+ bool m_is_prebuffering = true;
+
+ std::string m_name;
+};
+
+};
+