ZLMediaKit/src/RtspMuxer/H264RtpCodec.h
2018-10-25 10:00:17 +08:00

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/*
* MIT License
*
* Copyright (c) 2016 xiongziliang <771730766@qq.com>
*
* This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef ZLMEDIAKIT_H264RTPCODEC_H
#define ZLMEDIAKIT_H264RTPCODEC_H
#include "RtpCodec.h"
#include "Util/ResourcePool.h"
using namespace toolkit;
namespace mediakit{
/**
* h264 rtp解码类
*/
class H264RtpDecoder : public RtpCodec , public ResourcePoolHelper<H264Frame> {
public:
typedef std::shared_ptr<H264RtpDecoder> Ptr;
H264RtpDecoder();
~H264RtpDecoder() {}
/**
* 输入264 rtp包
* @param rtp rtp包
* @param key_pos 此参数忽略之
*/
bool inputRtp(const RtpPacket::Ptr &rtp, bool key_pos = true) override;
TrackType getTrackType() const override{
return TrackVideo;
}
CodecId getCodecId() const override{
return CodecH264;
}
private:
bool decodeRtp(const RtpPacket::Ptr &rtp);
void onGetH264(const H264Frame::Ptr &frame);
H264Frame::Ptr obtainFrame();
private:
H264Frame::Ptr _h264frame;
};
/**
* 264 rtp打包类
*/
class H264RtpEncoder : public H264RtpDecoder ,public RtpInfo{
public:
typedef std::shared_ptr<H264RtpEncoder> Ptr;
/**
* @param ui32Ssrc ssrc
* @param ui32MtuSize mtu大小
* @param ui32SampleRate 采样率强制为90000
* @param ui8PlayloadType pt类型
* @param ui8Interleaved rtsp interleaved
*/
H264RtpEncoder(uint32_t ui32Ssrc,
uint32_t ui32MtuSize = 1400,
uint32_t ui32SampleRate = 90000,
uint8_t ui8PlayloadType = 96,
uint8_t ui8Interleaved = TrackVideo * 2);
~H264RtpEncoder() {}
/**
* 输入264帧
* @param frame 帧数据,必须
*/
void inputFrame(const Frame::Ptr &frame) override;
private:
void makeH264Rtp(const void *pData, unsigned int uiLen, bool bMark, uint32_t uiStamp);
private:
unsigned char _aucSectionBuf[1600];
};
}//namespace mediakit{
#endif //ZLMEDIAKIT_H264RTPCODEC_H