mirror of
https://github.com/danog/libtgvoip.git
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83 lines
2.4 KiB
C++
Executable File
83 lines
2.4 KiB
C++
Executable File
//
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// libtgvoip is free and unencumbered public domain software.
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// For more information, see http://unlicense.org or the UNLICENSE file
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// you should have received with this source code distribution.
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//
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#ifndef LIBTGVOIP_OPUSDECODER_H
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#define LIBTGVOIP_OPUSDECODER_H
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#include "controller/media/MediaStreamItf.h"
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#include "tools/threading.h"
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#include "tools/BlockingQueue.h"
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#include "tools/Buffers.h"
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#include "controller/audio/EchoCanceller.h"
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#include "controller/net/JitterBuffer.h"
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#include "tools/utils.h"
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#include <stdio.h>
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#include <vector>
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#include <memory>
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#include <atomic>
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struct OpusDecoder;
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namespace tgvoip
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{
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class OpusDecoder
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{
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public:
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TGVOIP_DISALLOW_COPY_AND_ASSIGN(OpusDecoder);
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virtual void Start();
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virtual void Stop();
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OpusDecoder(const std::shared_ptr<MediaStreamItf> &dst, bool isAsync, bool needEC);
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OpusDecoder(const std::unique_ptr<MediaStreamItf> &dst, bool isAsync, bool needEC);
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virtual ~OpusDecoder();
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size_t HandleCallback(unsigned char *data, size_t len);
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void SetEchoCanceller(const std::shared_ptr<EchoCanceller> &canceller);
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void SetFrameDuration(uint32_t duration);
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void SetJitterBuffer(const std::shared_ptr<JitterBuffer> &jitterBuffer);
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void SetDTX(bool enable);
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void SetLevelMeter(const std::shared_ptr<AudioLevelMeter> &levelMeter);
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void AddAudioEffect(const std::shared_ptr<effects::AudioEffect> &effect);
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void RemoveAudioEffect(const std::shared_ptr<effects::AudioEffect> &effect);
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private:
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void Initialize(bool isAsync, bool needEC);
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static size_t Callback(unsigned char *data, size_t len, void *param);
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void RunThread();
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int DecodeNextFrame();
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::OpusDecoder *dec;
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::OpusDecoder *ecDec;
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BlockingQueue<Buffer> *decodedQueue;
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BufferPool<960 * 2, 32> bufferPool;
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unsigned char *buffer;
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unsigned char *lastDecoded;
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unsigned char *processedBuffer;
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size_t outputBufferSize;
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std::atomic<bool> running;
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Thread *thread;
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Semaphore *semaphore;
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uint32_t frameDuration;
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std::shared_ptr<EchoCanceller> echoCanceller;
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std::shared_ptr<JitterBuffer> jitterBuffer;
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std::shared_ptr<AudioLevelMeter> levelMeter;
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int consecutiveLostPackets;
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bool enableDTX;
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size_t silentPacketCount;
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std::vector<std::shared_ptr<effects::AudioEffect>> postProcEffects;
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bool async;
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unsigned char nextBuffer[8192];
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unsigned char decodeBuffer[8192];
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size_t nextLen;
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unsigned int packetsPerFrame;
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ptrdiff_t remainingDataLen;
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bool prevWasEC;
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int16_t prevLastSample;
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};
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} // namespace tgvoip
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#endif //LIBTGVOIP_OPUSDECODER_H
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