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整理rtp相关代码

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This commit is contained in:
xiongziliang 2018-10-25 23:24:23 +08:00
parent 0045d405a5
commit a69d7d0f71
3 changed files with 42 additions and 36 deletions
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25
src/Rtsp/Rtsp.cpp
View File

@ -157,7 +157,11 @@ void SdpAttr::load(const string &sdp) {
}
}
SdpTrack::Ptr SdpAttr::getTrack(TrackType type) {
bool SdpAttr::available() const {
return getTrack(TrackAudio) || getTrack(TrackVideo);
}
SdpTrack::Ptr SdpAttr::getTrack(TrackType type) const {
for (auto &pr : _track_map){
if(pr.second->_type == type){
return pr.second;
@ -218,24 +222,5 @@ static onceToken s_token([](){
SdpAttr attr(str);
track[0].inited=true;
});
bool MakeNalu(uint8_t in, NALU &nal) {
nal.forbidden_zero_bit = in >> 7;
if (nal.forbidden_zero_bit) {
return false;
}
nal.nal_ref_idc = (in & 0x60) >> 5;
nal.type = in & 0x1f;
return true;
}
bool MakeFU(uint8_t in, FU &fu) {
fu.S = in >> 7;
fu.E = (in >> 6) & 0x01;
fu.R = (in >> 5) & 0x01;
fu.type = in & 0x1f;
if (fu.R != 0) {
return false;
}
return true;
}

18
src/Rtsp/Rtsp.h
View File

@ -71,7 +71,8 @@ public:
~SdpAttr(){}
void load(const string &sdp);
SdpTrack::Ptr getTrack(TrackType type);
SdpTrack::Ptr getTrack(TrackType type) const;
bool available() const ;
private:
map<string,SdpTrack::Ptr> _track_map;
};
@ -218,21 +219,6 @@ private:
mutable StrCaseMap _mapUrlArgs;
};
typedef struct {
unsigned forbidden_zero_bit :1;
unsigned nal_ref_idc :2;
unsigned type :5;
} NALU;
typedef struct {
unsigned S :1;
unsigned E :1;
unsigned R :1;
unsigned type :5;
} FU;
bool MakeNalu(uint8_t in, NALU &nal) ;
bool MakeFU(uint8_t in, FU &fu) ;
#endif //RTSP_RTSP_H_

35
src/RtspMuxer/H264RtpCodec.cpp
View File

@ -28,6 +28,41 @@
namespace mediakit{
typedef struct {
unsigned forbidden_zero_bit :1;
unsigned nal_ref_idc :2;
unsigned type :5;
} NALU;
typedef struct {
unsigned S :1;
unsigned E :1;
unsigned R :1;
unsigned type :5;
} FU;
bool MakeNalu(uint8_t in, NALU &nal) {
nal.forbidden_zero_bit = in >> 7;
if (nal.forbidden_zero_bit) {
return false;
}
nal.nal_ref_idc = (in & 0x60) >> 5;
nal.type = in & 0x1f;
return true;
}
bool MakeFU(uint8_t in, FU &fu) {
fu.S = in >> 7;
fu.E = (in >> 6) & 0x01;
fu.R = (in >> 5) & 0x01;
fu.type = in & 0x1f;
if (fu.R != 0) {
return false;
}
return true;
}
H264RtpDecoder::H264RtpDecoder() {
_h264frame = obtainFrame();
}