82 lines
2.3 KiB
C++
82 lines
2.3 KiB
C++
//
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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 "MediaStreamItf.h"
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#include "threading.h"
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#include "BlockingQueue.h"
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#include "Buffers.h"
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#include "EchoCanceller.h"
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#include "JitterBuffer.h"
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#include "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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class OpusDecoder {
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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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OpusDecoder(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(EchoCanceller* canceller);
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void SetFrameDuration(uint32_t duration);
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void SetJitterBuffer(std::shared_ptr<JitterBuffer> jitterBuffer);
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void SetDTX(bool enable);
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void SetLevelMeter(AudioLevelMeter* levelMeter);
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void AddAudioEffect(effects::AudioEffect* effect);
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void RemoveAudioEffect(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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EchoCanceller* echoCanceller;
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std::shared_ptr<JitterBuffer> jitterBuffer;
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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<effects::AudioEffect*> postProcEffects;
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std::atomic<bool> async;
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alignas(2) unsigned char nextBuffer[8192];
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alignas(2) 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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}
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#endif //LIBTGVOIP_OPUSDECODER_H
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