2018-10-31 09:36:12 +08:00
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/*
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* MIT License
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*
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2019-05-08 15:40:07 +08:00
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* Copyright (c) 2016-2019 xiongziliang <771730766@qq.com>
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2018-10-31 09:36:12 +08:00
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*
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* This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "RtpCodec.h"
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namespace mediakit{
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RtpPacket::Ptr RtpInfo::makeRtp(TrackType type, const void* data, unsigned int len, bool mark, uint32_t uiStamp) {
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uint16_t ui16RtpLen = len + 12;
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uint32_t ts = htonl((_ui32SampleRate / 1000) * uiStamp);
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uint16_t sq = htons(_ui16Sequence);
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uint32_t sc = htonl(_ui32Ssrc);
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auto rtppkt = ResourcePoolHelper<RtpPacket>::obtainObj();
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2019-06-24 16:07:44 +08:00
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rtppkt->setCapacity(len + 16);
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rtppkt->setSize(len + 16);
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unsigned char *pucRtp = (unsigned char *)rtppkt->data();
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2018-10-31 09:36:12 +08:00
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pucRtp[0] = '$';
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pucRtp[1] = _ui8Interleaved;
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pucRtp[2] = ui16RtpLen >> 8;
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pucRtp[3] = ui16RtpLen & 0x00FF;
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pucRtp[4] = 0x80;
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pucRtp[5] = (mark << 7) | _ui8PlayloadType;
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memcpy(&pucRtp[6], &sq, 2);
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memcpy(&pucRtp[8], &ts, 4);
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//ssrc
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memcpy(&pucRtp[12], &sc, 4);
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2019-09-06 15:16:22 +08:00
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if(data){
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//playload
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memcpy(&pucRtp[16], data, len);
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}
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2018-10-31 09:36:12 +08:00
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rtppkt->PT = _ui8PlayloadType;
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rtppkt->interleaved = _ui8Interleaved;
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rtppkt->mark = mark;
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rtppkt->sequence = _ui16Sequence;
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rtppkt->timeStamp = uiStamp;
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rtppkt->ssrc = _ui32Ssrc;
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rtppkt->type = type;
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rtppkt->offset = 16;
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_ui16Sequence++;
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_ui32TimeStamp = uiStamp;
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return rtppkt;
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}
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}//namespace mediakit
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