92 lines
2.4 KiB
C
92 lines
2.4 KiB
C
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//
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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 "threading.h"
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#include "utils.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 "MediaStreamItf.h"
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#include <atomic>
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#include <cstdio>
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#include <memory>
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#include <vector>
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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(MediaStreamItf* dst, bool isAsync, bool needEC);
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virtual ~OpusDecoder();
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std::size_t HandleCallback(std::uint8_t* data, std::size_t len);
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void SetEchoCanceller(EchoCanceller* canceller);
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void SetFrameDuration(std::uint32_t duration);
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void SetJitterBuffer(std::shared_ptr<JitterBuffer> m_jitterBuffer);
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void SetDTX(bool enable);
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void SetLevelMeter(AudioLevelMeter* m_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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BlockingQueue<Buffer>* m_decodedQueue;
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BufferPool<960 * 2, 32> m_bufferPool;
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std::vector<effects::AudioEffect*> m_postProcEffects;
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std::uint8_t* m_buffer;
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std::uint8_t* m_processedBuffer;
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std::uint8_t* m_lastDecoded;
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::OpusDecoder* m_dec;
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::OpusDecoder* m_ecDec;
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EchoCanceller* m_echoCanceller;
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AudioLevelMeter* m_levelMeter;
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std::shared_ptr<JitterBuffer> m_jitterBuffer;
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Thread* m_thread;
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Semaphore* m_semaphore;
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std::size_t m_outputBufferSize;
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std::size_t m_silentPacketCount;
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std::size_t m_nextLen;
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std::ptrdiff_t m_remainingDataLen;
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std::uint32_t m_frameDuration;
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unsigned int m_packetsPerFrame;
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int m_consecutiveLostPackets;
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std::int16_t m_prevLastSample;
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alignas(2) std::uint8_t m_nextBuffer[8192];
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alignas(2) std::uint8_t m_decodeBuffer[8192];
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std::atomic<bool> m_running;
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std::atomic<bool> m_async;
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bool m_enableDTX;
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bool m_prevWasEC;
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void Initialize(bool isAsync, bool needEC);
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void RunThread();
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int DecodeNextFrame();
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static std::size_t Callback(std::uint8_t* data, std::size_t len, void* param);
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};
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} // namespace tgvoip
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#endif // LIBTGVOIP_OPUSDECODER_H
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