mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
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113 lines
2.5 KiB
C++
113 lines
2.5 KiB
C++
/*
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* Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
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*
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* This file is part of ZLMediaKit(https://github.com/xia-chu/ZLMediaKit).
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*
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* Use of this source code is governed by MIT license that can be found in the
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* LICENSE file in the root of the source tree. All contributing project authors
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* may be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef ZLMEDIAKIT_RTPCODEC_H
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#define ZLMEDIAKIT_RTPCODEC_H
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#include <memory>
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#include "Extension/Frame.h"
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#include "Util/RingBuffer.h"
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#include "Rtsp/Rtsp.h"
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namespace mediakit {
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class RtpRing {
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public:
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using Ptr = std::shared_ptr<RtpRing>;
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using RingType = toolkit::RingBuffer<RtpPacket::Ptr>;
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RtpRing() = default;
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virtual ~RtpRing() = default;
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/**
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* 获取rtp环形缓存
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* @return
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*/
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virtual RingType::Ptr getRtpRing() const {
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return _ring;
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}
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/**
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* 设置rtp环形缓存
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* @param ring
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*/
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virtual void setRtpRing(const RingType::Ptr &ring) {
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_ring = ring;
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}
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/**
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* 输入rtp包
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* @param rtp rtp包
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* @param key_pos 是否为关键帧第一个rtp包
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* @return 是否为关键帧第一个rtp包
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*/
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virtual bool inputRtp(const RtpPacket::Ptr &rtp, bool key_pos) {
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if (_ring) {
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_ring->write(rtp, key_pos);
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}
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return key_pos;
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}
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protected:
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RingType::Ptr _ring;
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};
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class RtpInfo {
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public:
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using Ptr = std::shared_ptr<RtpInfo>;
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RtpInfo(uint32_t ssrc, size_t mtu_size, uint32_t sample_rate, uint8_t pt, uint8_t interleaved) {
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if (ssrc == 0) {
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ssrc = ((uint64_t) this) & 0xFFFFFFFF;
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}
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_pt = pt;
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_ssrc = ssrc;
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_mtu_size = mtu_size;
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_sample_rate = sample_rate;
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_interleaved = interleaved;
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}
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virtual ~RtpInfo() = default;
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//返回rtp负载最大长度
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size_t getMaxSize() const {
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return _mtu_size - RtpPacket::kRtpHeaderSize;
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}
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uint32_t getSsrc() const {
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return _ssrc;
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}
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RtpPacket::Ptr makeRtp(TrackType type,const void *data, size_t len, bool mark, uint64_t stamp);
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private:
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uint8_t _pt;
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uint8_t _interleaved;
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uint16_t _seq = 0;
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uint32_t _ssrc;
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uint32_t _sample_rate;
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size_t _mtu_size;
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};
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class RtpCodec : public RtpRing, public FrameDispatcher, public CodecInfo {
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public:
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using Ptr = std::shared_ptr<RtpCodec>;
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RtpCodec() = default;
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~RtpCodec() override = default;
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};
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}//namespace mediakit
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#endif //ZLMEDIAKIT_RTPCODEC_H
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