ZLMediaKit/src/Extension/H264Rtp.h
2020-05-25 13:51:00 +08:00

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/*
* 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_H264RTPCODEC_H
#define ZLMEDIAKIT_H264RTPCODEC_H
#include "Rtsp/RtpCodec.h"
#include "Util/ResourcePool.h"
#include "Extension/H264.h"
#include "Common/Stamp.h"
using namespace toolkit;
namespace mediakit{
/**
* h264 rtp解码类
* 将 h264 over rtsp-rtp 解复用出 h264-Frame
* rfc3984
*/
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;
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;
DtsGenerator _dts_generator;
int _lastSeq = 0;
};
/**
* 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 ui8PayloadType pt类型
* @param ui8Interleaved rtsp interleaved
*/
H264RtpEncoder(uint32_t ui32Ssrc,
uint32_t ui32MtuSize = 1400,
uint32_t ui32SampleRate = 90000,
uint8_t ui8PayloadType = 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(int nal_type,const void *pData, unsigned int uiLen, bool bMark, bool first_packet, uint32_t uiStamp);
};
}//namespace mediakit{
#endif //ZLMEDIAKIT_H264RTPCODEC_H