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优化rtp解析代码

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This commit is contained in:
xiongziliang
2020-07-08 23:23:11 +08:00
parent d191347839
commit a164b28608
6 changed files with 30 additions and 30 deletions
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33
src/Rtsp/RtpReceiver.cpp
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@@ -27,7 +27,7 @@ namespace mediakit {
RtpReceiver::RtpReceiver() {}
RtpReceiver::~RtpReceiver() {}
bool RtpReceiver::handleOneRtp(int track_index,SdpTrack::Ptr &track, unsigned char *rtp_raw_ptr, unsigned int rtp_raw_len) {
bool RtpReceiver::handleOneRtp(int track_index, TrackType type, int samplerate, unsigned char *rtp_raw_ptr, unsigned int rtp_raw_len) {
if(rtp_raw_len < 12){
WarnL << "rtp包太小:" << rtp_raw_len;
return false;
@@ -46,8 +46,8 @@ bool RtpReceiver::handleOneRtp(int track_index,SdpTrack::Ptr &track, unsigned ch
auto rtp_ptr = _rtp_pool.obtain();
auto &rtp = *rtp_ptr;
rtp.type = track->_type;
rtp.interleaved = 2 * track->_type;
rtp.type = type;
rtp.interleaved = 2 * type;
rtp.mark = rtp_raw_ptr[1] >> 7;
rtp.PT = rtp_raw_ptr[1] & 0x7F;
@@ -59,29 +59,29 @@ bool RtpReceiver::handleOneRtp(int track_index,SdpTrack::Ptr &track, unsigned ch
memcpy(&rtp.timeStamp, rtp_raw_ptr + 4, 4);
rtp.timeStamp = ntohl(rtp.timeStamp);
if(!track->_samplerate){
if(!samplerate){
//无法把时间戳转换成毫秒
return false;
}
//时间戳转换成毫秒
rtp.timeStamp = rtp.timeStamp * 1000LL / track->_samplerate;
rtp.timeStamp = rtp.timeStamp * 1000LL / samplerate;
//ssrc,内存对齐
memcpy(&rtp.ssrc, rtp_raw_ptr + 8, 4);
rtp.ssrc = ntohl(rtp.ssrc);
if (track->_ssrc != rtp.ssrc) {
if (track->_ssrc == 0) {
if (_ssrc[track_index] != rtp.ssrc) {
if (_ssrc[track_index] == 0) {
//保存SSRC至track对象
track->_ssrc = rtp.ssrc;
_ssrc[track_index] = rtp.ssrc;
}else{
//ssrc错误
WarnL << "ssrc错误:" << rtp.ssrc << " != " << track->_ssrc;
WarnL << "ssrc错误:" << rtp.ssrc << " != " << _ssrc[track_index];
if (_ssrc_err_count[track_index]++ > 10) {
//ssrc切换后清除老数据
WarnL << "ssrc更换:" << track->_ssrc << " -> " << rtp.ssrc;
WarnL << "ssrc更换:" << _ssrc[track_index] << " -> " << rtp.ssrc;
_rtp_sort_cache_map[track_index].clear();
track->_ssrc = rtp.ssrc;
_ssrc[track_index] = rtp.ssrc;
}
return false;
}
@@ -168,11 +168,12 @@ void RtpReceiver::sortRtp(const RtpPacket::Ptr &rtp,int track_index){
}
void RtpReceiver::clear() {
CLEAR_ARR(_last_seq)
CLEAR_ARR(_ssrc_err_count)
CLEAR_ARR(_seq_ok_count)
CLEAR_ARR(_sort_started)
CLEAR_ARR(_seq_cycle_count)
CLEAR_ARR(_last_seq);
CLEAR_ARR(_ssrc);
CLEAR_ARR(_ssrc_err_count);
CLEAR_ARR(_seq_ok_count);
CLEAR_ARR(_sort_started);
CLEAR_ARR(_seq_cycle_count);
_rtp_sort_cache_map[0].clear();
_rtp_sort_cache_map[1].clear();