ZLMediaKit/src/Rtp/RtpDecoder.cpp
2020-03-08 21:19:20 +08:00

77 lines
2.8 KiB
C++

/*
* MIT License
*
* Copyright (c) 2019 Gemfield <gemfield@civilnet.cn>
*
* 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.
*/
#if defined(ENABLE_RTPPROXY)
#include "Util/logger.h"
#include "RtpDecoder.h"
#include "rtp-payload.h"
using namespace toolkit;
namespace mediakit{
RtpDecoder::RtpDecoder() {
_buffer = std::make_shared<BufferRaw>();
}
RtpDecoder::~RtpDecoder() {
if(_rtp_decoder){
rtp_payload_decode_destroy(_rtp_decoder);
_rtp_decoder = nullptr;
}
}
void RtpDecoder::decodeRtp(const void *data, int bytes) {
if(!_rtp_decoder){
static rtp_payload_t s_func= {
[](void* param, int bytes){
RtpDecoder *obj = (RtpDecoder *)param;
obj->_buffer->setCapacity(bytes);
return (void *)obj->_buffer->data();
},
[](void* param, void* packet){
//do nothing
},
[](void* param, const void *packet, int bytes, uint32_t timestamp, int flags){
RtpDecoder *obj = (RtpDecoder *)param;
obj->onRtpDecode((uint8_t *)packet, bytes, timestamp, flags);
}
};
uint8_t rtp_type = 0x7F & ((uint8_t *) data)[1];
InfoL << "rtp type:" << (int) rtp_type;
_rtp_decoder = rtp_payload_decode_create(rtp_type, "MP4V-ES", &s_func, this);
if (!_rtp_decoder) {
WarnL << "unsupported rtp type:" << (int) rtp_type << ",size:" << bytes << ",hexdump" << hexdump(data, bytes > 16 ? 16 : bytes);
}
}
if(_rtp_decoder){
rtp_payload_decode_input(_rtp_decoder,data,bytes);
}
}
}//namespace mediakit
#endif//defined(ENABLE_RTPPROXY)