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libtgvoip/controller/audio/OpusDecoder.h

83 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 "controller/MediaStreamItf.h"
#include "tools/threading.h"
#include "tools/BlockingQueue.h"
#include "tools/Buffers.h"
#include "controller/audio/EchoCanceller.h"
#include "controller/net/JitterBuffer.h"
#include "tools/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;
bool async;
unsigned char nextBuffer[8192];
unsigned char decodeBuffer[8192];
size_t nextLen;
unsigned int packetsPerFrame;
ptrdiff_t remainingDataLen;
bool prevWasEC;
int16_t prevLastSample;
};
} // namespace tgvoip
#endif //LIBTGVOIP_OPUSDECODER_H