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libtgvoip/controller/audio/OpusEncoder.h

88 lines
2.6 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_OPUSENCODER_H
#define LIBTGVOIP_OPUSENCODER_H
#include "controller/media/MediaStreamItf.h"
#include "tools/threading.h"
#include "tools/BlockingQueue.h"
#include "tools/Buffers.h"
#include "controller/audio/EchoCanceller.h"
#include "tools/utils.h"
#include <stdint.h>
#include <atomic>
struct OpusEncoder;
namespace tgvoip
{
class OpusEncoder
{
public:
TGVOIP_DISALLOW_COPY_AND_ASSIGN(OpusEncoder);
OpusEncoder(const std::shared_ptr<MediaStreamItf> &source, bool needSecondary);
virtual ~OpusEncoder();
virtual void Start();
virtual void Stop();
void SetBitrate(uint32_t bitrate);
void SetEchoCanceller(const std::shared_ptr<EchoCanceller> &aec);
void SetOutputFrameDuration(uint32_t duration);
void SetPacketLoss(int percent);
int GetPacketLoss();
uint32_t GetBitrate();
void SetDTX(bool enable);
void SetLevelMeter(const std::shared_ptr<AudioLevelMeter> &levelMeter);
void SetCallback(std::function<void(unsigned char *, size_t, unsigned char *, size_t)> callback);
void SetSecondaryEncoderEnabled(bool enabled);
void SetVadMode(bool vad);
void AddAudioEffect(const std::shared_ptr<effects::AudioEffect> &effect);
void RemoveAudioEffect(const std::shared_ptr<effects::AudioEffect> &effect);
int GetComplexity()
{
return complexity;
}
private:
static size_t Callback(unsigned char *data, size_t len, void *param);
void RunThread();
void Encode(int16_t *data, size_t len);
void InvokeCallback(unsigned char *data, size_t length, unsigned char *secondaryData, size_t secondaryLength);
std::shared_ptr<MediaStreamItf> source;
::OpusEncoder *enc;
::OpusEncoder *secondaryEncoder;
unsigned char buffer[4096];
std::atomic<uint32_t> requestedBitrate;
uint32_t currentBitrate;
uint32_t currentSecondaryBitrate;
Thread *thread;
BlockingQueue<Buffer> queue;
BufferPool<960 * 2, 10> bufferPool;
std::shared_ptr<EchoCanceller> echoCanceller;
std::atomic<int> complexity;
std::atomic<bool> running;
uint32_t frameDuration;
int packetLossPercent;
std::shared_ptr<AudioLevelMeter> levelMeter;
std::atomic<bool> secondaryEncoderEnabled;
bool vadMode = false;
uint32_t vadNoVoiceBitrate;
std::vector<std::shared_ptr<effects::AudioEffect>> postProcEffects;
int secondaryEnabledBandwidth;
int vadModeVoiceBandwidth;
int vadModeNoVoiceBandwidth;
bool wasSecondaryEncoderEnabled = false;
std::function<void(unsigned char *, size_t, unsigned char *, size_t)> callback;
};
} // namespace tgvoip
#endif //LIBTGVOIP_OPUSENCODER_H