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srs/trunk/src/app/srs_app_rtp.hpp
2020-03-18 08:45:20 +08:00

97 lines
3 KiB
C++

/**
* The MIT License (MIT)
*
* Copyright (c) 2013-2020 Winlin
*
* 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 SRS_APP_RTP_HPP
#define SRS_APP_RTP_HPP
#include <srs_core.hpp>
#include <string>
#include <vector>
#include <map>
class SrsFormat;
class SrsSample;
class SrsSharedPtrMessage;
class SrsRtpSharedPacket;
class SrsRequest;
class SrsOriginHub;
const int max_payload_size = 1200;
const int kRtpPacketSize = 1500;
const uint8_t kH264PayloadType = 102;
const uint8_t kNalTypeMask = 0x1F;
const uint8_t kIdr = 5;
const uint8_t kStapA = 24;
const uint8_t kFuA = 28;
const uint8_t kStart = 0x80;
const uint8_t kEnd = 0x40;
// FIXME: ssrc can relate to source
const uint32_t kVideoSSRC = 3233846889;
class SrsRtpMuxer
{
private:
uint16_t sequence;
std::string sps;
std::string pps;
public:
SrsRtpMuxer();
virtual ~SrsRtpMuxer();
public:
srs_error_t frame_to_packet(SrsSharedPtrMessage* shared_video, SrsFormat* format);
private:
srs_error_t packet_fu_a(SrsSharedPtrMessage* shared_frame, SrsFormat* format, SrsSample* sample, std::vector<SrsRtpSharedPacket*>& rtp_packet_vec);
srs_error_t packet_single_nalu(SrsSharedPtrMessage* shared_frame, SrsFormat* format, SrsSample* sample, std::vector<SrsRtpSharedPacket*>& rtp_packet_vec);
srs_error_t packet_stap_a(const std::string &sps, const std::string& pps, SrsSharedPtrMessage* shared_frame, std::vector<SrsRtpSharedPacket*>& rtp_packet_vec);
};
class SrsRtp
{
private:
SrsRequest* req;
bool enabled;
bool disposable;
srs_utime_t last_update_time;
SrsRtpMuxer* rtp_h264_muxer;
SrsOriginHub* hub;
public:
SrsRtp();
virtual ~SrsRtp();
public:
virtual void dispose();
virtual srs_error_t cycle();
public:
virtual srs_error_t initialize(SrsOriginHub* h, SrsRequest* r);
virtual srs_error_t on_publish();
virtual void on_unpublish();
virtual srs_error_t on_audio(SrsSharedPtrMessage* shared_audio, SrsFormat* format);
virtual srs_error_t on_video(SrsSharedPtrMessage* shared_video, SrsFormat* format);
};
#endif