ZLMediaKit/src/Extension/G711Rtp.h

85 lines
2.2 KiB
C++

/*
* Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
*
* This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
*
* Use of this source code is governed by MIT license that can be found in the
* LICENSE file in the root of the source tree. All contributing project authors
* may be found in the AUTHORS file in the root of the source tree.
*/
#ifndef ZLMEDIAKIT_G711RTPCODEC_H
#define ZLMEDIAKIT_G711RTPCODEC_H
#include "Rtsp/RtpCodec.h"
#include "Extension/G711.h"
namespace mediakit{
/**
* G711 rtp转adts类
*/
class G711RtpDecoder : public RtpCodec , public ResourcePoolHelper<G711Frame> {
public:
typedef std::shared_ptr<G711RtpDecoder> Ptr;
G711RtpDecoder(const Track::Ptr &track);
~G711RtpDecoder() {}
/**
* 输入rtp并解码
* @param rtp rtp数据包
* @param key_pos 此参数内部强制转换为false,请忽略之
*/
bool inputRtp(const RtpPacket::Ptr &rtp, bool key_pos = false) override;
TrackType getTrackType() const override{
return TrackAudio;
}
CodecId getCodecId() const override{
return _codecid;
}
protected:
G711RtpDecoder();
private:
void onGetG711(const G711Frame::Ptr &frame);
G711Frame::Ptr obtainFrame();
private:
G711Frame::Ptr _adts;
CodecId _codecid = CodecInvalid;
};
/**
* g711 转rtp类
*/
class G711RtpEncoder : public G711RtpDecoder , public RtpInfo {
public:
typedef std::shared_ptr<G711RtpEncoder> Ptr;
/**
* @param ui32Ssrc ssrc
* @param ui32MtuSize mtu 大小
* @param ui32SampleRate 采样率
* @param ui8PlayloadType pt类型
* @param ui8Interleaved rtsp interleaved 值
*/
G711RtpEncoder(uint32_t ui32Ssrc,
uint32_t ui32MtuSize,
uint32_t ui32SampleRate,
uint8_t ui8PlayloadType = 0,
uint8_t ui8Interleaved = TrackAudio * 2);
~G711RtpEncoder() {}
/**
* @param frame g711数据
*/
void inputFrame(const Frame::Ptr &frame) override;
private:
void makeG711Rtp(const void *pData, unsigned int uiLen, bool bMark, uint32_t uiStamp);
private:
unsigned char _aucSectionBuf[1600];
};
}//namespace mediakit
#endif //ZLMEDIAKIT_G711RTPCODEC_H