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Add API to set track id in msid

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This commit is contained in:
Filip Klembara
2021-02-05 12:10:51 +01:00
parent 8a61043bd7
commit 9f3b004756
4 changed files with 17 additions and 11 deletions
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4
include/rtc/description.hpp
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@ -141,9 +141,9 @@ public:
void removeFormat(const string &fmt);
void addSSRC(uint32_t ssrc, std::optional<string> name,
std::optional<string> msid = nullopt);
std::optional<string> msid = nullopt, std::optional<string> trackID = nullopt);
void replaceSSRC(uint32_t oldSSRC, uint32_t ssrc, std::optional<string> name,
std::optional<string> msid = nullopt);
std::optional<string> msid = nullopt, std::optional<string> trackID = nullopt);
bool hasSSRC(uint32_t ssrc);
std::vector<uint32_t> getSSRCs();

3
include/rtc/rtc.h
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@ -215,8 +215,9 @@ RTC_EXPORT int rtcGetTrackDescription(int tr, char *buffer, int size);
/// @param _direction Direction
/// @param _name Name (optional)
/// @param _msid MSID (optional)
/// @param _trackID Track ID used in MSID (optional)
/// @returns Track id
RTC_EXPORT int rtcAddTrackEx(int pc, rtcCodec codec, int payloadType, uint32_t ssrc, const char *_mid, rtcDirection direction, const char *_name, const char *_msid);
RTC_EXPORT int rtcAddTrackEx(int pc, rtcCodec codec, int payloadType, uint32_t ssrc, const char *_mid, rtcDirection direction, const char *_name, const char *_msid, const char *_trackID);
/// Set H264PacketizationHandler for track
/// @param tr Track id

13
src/capi.cpp
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@ -435,7 +435,7 @@ int rtcDeleteDataChannel(int dc) {
#if RTC_ENABLE_MEDIA
void setSSRC(Description::Media *description, uint32_t ssrc, const char *_name, const char *_msid) {
void setSSRC(Description::Media *description, uint32_t ssrc, const char *_name, const char *_msid, const char *_trackID) {
optional<string> name = nullopt;
if (_name) {
@ -447,11 +447,16 @@ void setSSRC(Description::Media *description, uint32_t ssrc, const char *_name,
msid = string(_msid);
}
description->addSSRC(ssrc, name, msid);
optional<string> trackID = nullopt;
if (_trackID) {
trackID = string(_trackID);
}
description->addSSRC(ssrc, name, msid, trackID);
}
int rtcAddTrackEx(int pc, rtcCodec codec, int payloadType, uint32_t ssrc, const char *_mid,
rtcDirection _direction, const char *_name, const char *_msid) {
rtcDirection _direction, const char *_name, const char *_msid, const char *_trackID) {
return WRAP({
auto peerConnection = getPeerConnection(pc);
@ -516,7 +521,7 @@ int rtcAddTrackEx(int pc, rtcCodec codec, int payloadType, uint32_t ssrc, const
throw std::invalid_argument("Unexpected codec");
} else {
auto description = optDescription.value();
setSSRC(&description, ssrc, _name, _msid);
setSSRC(&description, ssrc, _name, _msid, _trackID);
int tr = emplaceTrack(peerConnection->addTrack(std::move(description)));
if (auto ptr = getUserPointer(pc)) {

8
src/description.cpp
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@ -525,20 +525,20 @@ Description::Entry::removeAttribute(std::vector<string>::iterator it) {
}
void Description::Media::addSSRC(uint32_t ssrc, std::optional<string> name,
std::optional<string> msid) {
std::optional<string> msid, std::optional<string> trackID) {
if (name)
mAttributes.emplace_back("ssrc:" + std::to_string(ssrc) + " cname:" + *name);
else
mAttributes.emplace_back("ssrc:" + std::to_string(ssrc));
if (msid)
mAttributes.emplace_back("ssrc:" + std::to_string(ssrc) + " msid:" + *msid + " " + *msid);
mAttributes.emplace_back("ssrc:" + std::to_string(ssrc) + " msid:" + *msid + " " + trackID.value_or(*msid));
mSsrcs.emplace_back(ssrc);
}
void Description::Media::replaceSSRC(uint32_t oldSSRC, uint32_t ssrc, std::optional<string> name,
std::optional<string> msid) {
std::optional<string> msid, std::optional<string> trackID) {
auto it = mAttributes.begin();
while (it != mAttributes.end()) {
if (it->find("ssrc:" + std::to_string(oldSSRC)) == 0) {
@ -546,7 +546,7 @@ void Description::Media::replaceSSRC(uint32_t oldSSRC, uint32_t ssrc, std::optio
} else
it++;
}
addSSRC(ssrc, std::move(name), std::move(msid));
addSSRC(ssrc, std::move(name), std::move(msid), std::move(trackID));
}
void Description::Media::removeSSRC(uint32_t oldSSRC) {