ZLMediaKit/src/Rtsp/RtspSplitter.cpp
夏楚 c72cf4cbcc
整理命名空间 (#1409)
* feat: remove using namespace mediakit in header files.

(cherry picked from commit d44aeb339a8a0e1f0455be82b21fe4b1b536299f)

* feat: remove using namespace mediakit in FFmpegSource.h

* feat: remove using namespace mediakit in RtpExt.h

* feat: remove using namespace mediakit in header files.

* feat: remove using namespace std in header files.

* feat: remove using namespace std in header files when zltoolkit remove std in header

* 补充命名空间

* 整理命名空间

* 整理命名空间2

* 修复macos ci

* 修复编译问题

* 修复编译问题2

* 修复编译问题3

Co-authored-by: Johnny <hellojinqiang@gmail.com>
Co-authored-by: Xiaofeng Wang <wasphin@gmail.com>
2022-02-02 20:34:50 +08:00

92 lines
2.2 KiB
C++

/*
* Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
*
* This file is part of ZLMediaKit(https://github.com/xia-chu/ZLMediaKit).
*
* Use of this source code is governed by MIT license that can be found in the
* LICENSE file in the root of the source tree. All contributing project authors
* may be found in the AUTHORS file in the root of the source tree.
*/
#include <cstdlib>
#include "RtspSplitter.h"
#include "Util/logger.h"
#include "Util/util.h"
using namespace std;
using namespace toolkit;
namespace mediakit{
const char *RtspSplitter::onSearchPacketTail(const char *data, size_t len) {
auto ret = onSearchPacketTail_l(data, len);
if(ret){
return ret;
}
if (len > 256 * 1024) {
//rtp大于256KB
ret = (char *) memchr(data, '$', len);
if (!ret) {
WarnL << "rtp缓存溢出:" << hexdump(data, 1024);
reset();
}
}
return ret;
}
const char *RtspSplitter::onSearchPacketTail_l(const char *data, size_t len) {
if(!_enableRecvRtp || data[0] != '$'){
//这是rtsp包
_isRtpPacket = false;
return HttpRequestSplitter::onSearchPacketTail(data, len);
}
//这是rtp包
if(len < 4){
//数据不够
return nullptr;
}
uint16_t length = (((uint8_t *)data)[2] << 8) | ((uint8_t *)data)[3];
if(len < (size_t)(length + 4)){
//数据不够
return nullptr;
}
//返回rtp包末尾
_isRtpPacket = true;
return data + 4 + length;
}
ssize_t RtspSplitter::onRecvHeader(const char *data, size_t len) {
if(_isRtpPacket){
onRtpPacket(data,len);
return 0;
}
_parser.Parse(data);
auto ret = getContentLength(_parser);
if(ret == 0){
onWholeRtspPacket(_parser);
_parser.Clear();
}
return ret;
}
void RtspSplitter::onRecvContent(const char *data, size_t len) {
_parser.setContent(string(data,len));
onWholeRtspPacket(_parser);
_parser.Clear();
}
void RtspSplitter::enableRecvRtp(bool enable) {
_enableRecvRtp = enable;
}
ssize_t RtspSplitter::getContentLength(Parser &parser) {
return atoi(parser["Content-Length"].data());
}
}//namespace mediakit