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libtgvoip/OpusDecoder.h
2020-03-05 16:31:57 +04:00

82 lines
2.3 KiB
C++
Executable File

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