Add more EDI input improvements

1 files changed, 82 insertions, 0 deletions

diff --git a/src/input/Edi.h b/src/input/Edi.h
new file mode 100644
index 0000000..7b3dc04
--- /dev/null
+++ b/src/input/Edi.h
@@ -0,0 +1,82 @@
+/*
+   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;
+};
+
+};
+