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Cleaned up addVideoCodec

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Staz M
2020-11-23 20:33:26 -05:00
parent f008b5b447
commit be394b7185
2 changed files with 16 additions and 26 deletions
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12
include/rtc/description.hpp
View File

@ -190,17 +190,21 @@ public:
public:
Audio(string mid = "audio", Direction dir = Direction::SendOnly);
void addAudioCodec(int payloadType, const string &codec);
void addAudioCodec(int payloadType, const string &codec, const std::optional<std::string>& profile=
"minptime=10; maxaveragebitrate=96000; stereo=1; sprop-stereo=1; useinbandfec=1");
void addOpusCodec(int payloadType);
void addRTXCodec(unsigned int payloadType, unsigned int originalPayloadType, unsigned int clockRate);
};
class RTC_CPP_EXPORT Video : public Media {
public:
Video(string mid = "video", Direction dir = Direction::SendOnly);
void addVideoCodec(int payloadType, const string &codec);
// Use Constrained Baseline profile Level 4.2 (necessary for Firefox)
// https://developer.mozilla.org/en-US/docs/Web/Media/Formats/WebRTC_codecs#Supported_video_codecs
// TODO: Should be 42E0 but 42C0 appears to be more compatible. Investigate this.
void addVideoCodec(int payloadType, const string &codec, const std::optional<std::string>&
profile="profile-level-id=42e01f;packetization-mode=1;level-asymmetry-allowed=1");
void addH264Codec(int payloadType);
void addVP8Codec(int payloadType);
void addVP9Codec(int payloadType);

28
src/description.cpp
View File

@ -702,29 +702,14 @@ void Description::Media::removeFormat(const string &fmt) {
}
}
void Description::Video::addVideoCodec(int payloadType, const string &codec) {
void Description::Video::addVideoCodec(int payloadType, const string &codec, const std::optional<std::string>& profile) {
RTPMap map(std::to_string(payloadType) + ' ' + codec + "/90000");
map.addFB("nack");
map.addFB("nack pli");
// map.addFB("nack fir");
// map.addFB("ccm fir");
map.addFB("goog-remb");
if (codec == "H264") {
// Use Constrained Baseline profile Level 4.2 (necessary for Firefox)
// https://developer.mozilla.org/en-US/docs/Web/Media/Formats/WebRTC_codecs#Supported_video_codecs
// TODO: Should be 42E0 but 42C0 appears to be more compatible. Investigate this.
map.fmtps.emplace_back(
"profile-level-id=4de01f;packetization-mode=1;level-asymmetry-allowed=1");
// Because certain Android devices don't like me, let us just negotiate some random
// {
// RTPMap map(std::to_string(payloadType + 1) + ' ' + codec + "/90000");
// map.addFB("nack");
// map.addFB("nack pli");
// // map.addFB("nack fir");
// map.addFB("goog-remb");
// addRTPMap(map);
// }
}
if (profile)
map.fmtps.emplace_back(*profile);
addRTPMap(map);
// // RTX Packets
@ -741,10 +726,11 @@ void Description::Video::addVideoCodec(int payloadType, const string &codec) {
// ";rtx-time=3000"); addRTPMap(rtx);
}
void Description::Audio::addAudioCodec(int payloadType, const string &codec) {
void Description::Audio::addAudioCodec(int payloadType, const string &codec, const std::optional<std::string>& profile) {
// TODO This 48000/2 should be parameterized
RTPMap map(std::to_string(payloadType) + ' ' + codec + "/48000/2");
map.fmtps.emplace_back("minptime=10; maxaveragebitrate=96000; stereo=1; sprop-stereo=1; useinbandfec=1");
if (profile)
map.fmtps.emplace_back(*profile);
addRTPMap(map);
}