ZLMediaKit/src/Extension/H265Rtp.h

/*
 * MIT License
 *
 * Copyright (c) 2016-2019 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_H265RTPCODEC_H
#define ZLMEDIAKIT_H265RTPCODEC_H

#include "Rtsp/RtpCodec.h"
#include "Util/ResourcePool.h"
#include "Extension/H265.h"
#include "Common/Stamp.h"

using namespace toolkit;

namespace mediakit{

/**
 * h265 rtp解码类
 * 将 h265 over rtsp-rtp 解复用出 h265-Frame
 * 《草案（H265-over-RTP）draft-ietf-payload-rtp-h265-07.pdf》
 */
class H265RtpDecoder : public RtpCodec , public ResourcePoolHelper<H265Frame> {
public:
    typedef std::shared_ptr<H265RtpDecoder> Ptr;

    H265RtpDecoder();
    ~H265RtpDecoder() {}

    /**
     * 输入265 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 CodecH265;
    }
private:
    bool decodeRtp(const RtpPacket::Ptr &rtp);
    void onGetH265(const H265Frame::Ptr &frame);
    H265Frame::Ptr obtainFrame();
private:
    H265Frame::Ptr _h265frame;
    DtsGenerator _dts_generator;
    int _lastSeq = 0;
};

/**
 * 265 rtp打包类
 */
class H265RtpEncoder : public H265RtpDecoder ,public RtpInfo{
public:
    typedef std::shared_ptr<H265RtpEncoder> 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
     */
    H265RtpEncoder(uint32_t ui32Ssrc,
                   uint32_t ui32MtuSize = 1400,
                   uint32_t ui32SampleRate = 90000,
                   uint8_t ui8PlayloadType = 96,
                   uint8_t ui8Interleaved = TrackVideo * 2);
    ~H265RtpEncoder() {}

    /**
     * 输入265帧
     * @param frame 帧数据，必须
     */
    void inputFrame(const Frame::Ptr &frame) override;
private:
    void makeH265Rtp(int nal_type,const void *pData, unsigned int uiLen, bool bMark, bool first_packet,uint32_t uiStamp);
};

}//namespace mediakit{

#endif //ZLMEDIAKIT_H265RTPCODEC_H