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修复rtp不支持csrc、ext字段的bug

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This commit is contained in:
xiongziliang
2018-07-30 11:58:39 +08:00
parent efdc740fb4
commit 3a5bf616ff
6 changed files with 42 additions and 19 deletions
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20
src/Rtsp/RtspPlayer.cpp
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@@ -583,6 +583,12 @@ void RtspPlayer::splitRtp(unsigned char* pucRtp, unsigned int uiLen) {
}
}
# define AV_RB16(x) \
((((const uint8_t*)(x))[0] << 8) | \
((const uint8_t*)(x))[1])
bool RtspPlayer::handleOneRtp(int iTrackidx, unsigned char *pucData, unsigned int uiLen) {
auto &track = m_aTrackInfo[iTrackidx];
auto pt_ptr=m_pktPool.obtain();
@@ -620,6 +626,20 @@ bool RtspPlayer::handleOneRtp(int iTrackidx, unsigned char *pucData, unsigned in
rtppt.payload[1] = rtppt.interleaved;
rtppt.payload[2] = (uiLen & 0xFF00) >> 8;
rtppt.payload[3] = (uiLen & 0x00FF);
rtppt.offset = 16;
int csrc = pucData[0] & 0x0f;
int ext = pucData[0] & 0x10;
rtppt.offset += 4 * csrc;
if (ext) {
if(uiLen < rtppt.offset){
return false;
}
/* calculate the header extension length (stored as number of 32-bit words) */
ext = (AV_RB16(pucData + rtppt.offset - 2) + 1) << 2;
rtppt.offset += ext;
}
memcpy(rtppt.payload + 4, pucData, uiLen);
/////////////////////////////////RTP排序逻辑///////////////////////////////////