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rtp使用ntp时间戳作为时间戳,用于实现rtsp音视频同步

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This commit is contained in:
ziyue
2021-07-12 21:18:22 +08:00
parent eba3758b30
commit 298f6e3864
17 changed files with 184 additions and 29 deletions
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26
src/Rtsp/Rtsp.cpp
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@@ -525,32 +525,40 @@ string RtpHeader::dumpString(size_t rtp_size) const{
///////////////////////////////////////////////////////////////////////
RtpHeader* RtpPacket::getHeader(){
RtpHeader *RtpPacket::getHeader() {
//需除去rtcp over tcp 4个字节长度
return (RtpHeader*)(data() + RtpPacket::kRtpTcpHeaderSize);
return (RtpHeader *) (data() + RtpPacket::kRtpTcpHeaderSize);
}
string RtpPacket::dumpString() const{
const RtpHeader *RtpPacket::getHeader() const {
return (RtpHeader *) (data() + RtpPacket::kRtpTcpHeaderSize);
}
string RtpPacket::dumpString() const {
return ((RtpPacket *) this)->getHeader()->dumpString(size() - RtpPacket::kRtpTcpHeaderSize);
}
uint16_t RtpPacket::getSeq(){
uint16_t RtpPacket::getSeq() const {
return ntohs(getHeader()->seq);
}
uint32_t RtpPacket::getStampMS(){
return ntohl(getHeader()->stamp) * uint64_t(1000) / sample_rate;
uint32_t RtpPacket::getStamp() const {
return ntohl(getHeader()->stamp);
}
uint32_t RtpPacket::getSSRC(){
uint32_t RtpPacket::getStampMS() const {
return ntp_stamp & 0xFFFFFFFF;
}
uint32_t RtpPacket::getSSRC() const {
return ntohl(getHeader()->ssrc);
}
uint8_t* RtpPacket::getPayload(){
uint8_t *RtpPacket::getPayload() {
return getHeader()->getPayloadData();
}
size_t RtpPacket::getPayloadSize(){
size_t RtpPacket::getPayloadSize() const {
//需除去rtcp over tcp 4个字节长度
return getHeader()->getPayloadSize(size() - kRtpTcpHeaderSize);
}