133 lines
3.6 KiB
C++
133 lines
3.6 KiB
C++
/*
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* Copyright (c) 2016-present The ZLMediaKit project authors. All Rights Reserved.
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*
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* This file is part of ZLMediaKit(https://github.com/ZLMediaKit/ZLMediaKit).
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*
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* Use of this source code is governed by MIT-like 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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virtual ~RtpRing() = default;
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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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* Set the RTP ring buffer
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* @param ring
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* [AUTO-TRANSLATED:283d737a]
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*/
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void setRtpRing(RingType::Ptr ring) {
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_ring = std::move(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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* Input RTP packet
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* @param rtp RTP packet
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* @param key_pos Whether it is the first RTP packet of the key frame
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* @return Whether it is the first RTP packet of the key frame
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* [AUTO-TRANSLATED:05ccdd17]
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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, int track_index) {
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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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_track_index = track_index;
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}
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// 返回rtp负载最大长度 [AUTO-TRANSLATED:0a8ee7d9]
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// Return the maximum length of the RTP payload
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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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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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int _track_index;
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size_t _mtu_size;
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};
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class RtpCodec : public RtpRing, public FrameDispatcher {
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public:
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using Ptr = std::shared_ptr<RtpCodec>;
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void setRtpInfo(uint32_t ssrc, size_t mtu_size, uint32_t sample_rate, uint8_t pt, uint8_t interleaved = 0, int track_index = 0) {
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_rtp_info.reset(new RtpInfo(ssrc, mtu_size, sample_rate, pt, interleaved, track_index));
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}
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RtpInfo &getRtpInfo() { return *_rtp_info; }
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enum {
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RTP_ENCODER_PKT_DUR_MS = 1 // 主要应用于g711 rtp 打包器每个包的时间长度，option_value 为int*, option_len 为4
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};
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/**
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* @brief 设置rtp打包器与解包器的相关参数，主要应用与g711 rtp 打包器，使用方法类似setsockopt
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*
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* @param opt 设置的选项
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* @param param 设置的参数
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* @brief Set the parameters of the RTP packer and unpacker, mainly used for g711 RTP packer, the usage is similar to setsockopt
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*
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* @param opt Set options
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* @param param Set parameters
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* [AUTO-TRANSLATED:95859425]
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*/
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virtual void setOpt(int opt, const toolkit::Any ¶m) {};
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private:
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std::unique_ptr<RtpInfo> _rtp_info;
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};
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}//namespace mediakit
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#endif //ZLMEDIAKIT_RTPCODEC_H
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