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RTC: Support OPUS stereo SDP option. v5.0.203 (#3910)

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In an SDK that supports RTC Opus stereo, the parameter "stereo=1" may
appear. SRS (Spatial Reference System) needs to handle this correctly
and return an answer to enable WebRTC stereo support.

---------

`TRANS_BY_GPT4`
This commit is contained in:
john 2023-12-14 23:31:54 +08:00
parent 52b01b14e9
commit 43d15ed3d8
4 changed files with 11 additions and 2 deletions
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6
trunk/src/app/srs_app_rtc_source.cpp
View file

@ -1979,6 +1979,7 @@ SrsAudioPayload::SrsAudioPayload(uint8_t pt, std::string encode_name, int sample
channel_ = channel;
opus_param_.minptime = 0;
opus_param_.use_inband_fec = false;
opus_param_.stereo = false;
opus_param_.usedtx = false;
}
@ -2020,6 +2021,9 @@ SrsMediaPayloadType SrsAudioPayload::generate_media_payload_type()
if (opus_param_.use_inband_fec) {
format_specific_param << ";useinbandfec=1";
}
if (opus_param_.stereo) {
format_specific_param << ";stereo=1";
}
if (opus_param_.usedtx) {
format_specific_param << ";usedtx=1";
}
@ -2039,6 +2043,8 @@ srs_error_t SrsAudioPayload::set_opus_param_desc(std::string fmtp)
opus_param_.minptime = (int)::atol(kv[1].c_str());
} else if (kv[0] == "useinbandfec") {
opus_param_.use_inband_fec = (kv[1] == "1") ? true : false;
} else if (kv[0] == "stereo") {
opus_param_.stereo = (kv[1] == "1") ? true : false;
} else if (kv[0] == "usedtx") {
opus_param_.usedtx = (kv[1] == "1") ? true : false;
}

2
trunk/src/app/srs_app_rtc_source.hpp
View file

@ -383,11 +383,13 @@ class SrsAudioPayload : public SrsCodecPayload
{
int minptime;
bool use_inband_fec;
bool stereo;
bool usedtx;
SrsOpusParameter() {
minptime = 0;
use_inband_fec = false;
stereo = false;
usedtx = false;
}
};

4
trunk/src/core/srs_core_version5.hpp
View file

@ -1,5 +1,5 @@
//
// Copyright (c) 2023-2023 The SRS Authors
// Copyright (c) 2033-2033 The SRS Authors
//
// SPDX-License-Identifier: MIT or MulanPSL-2.0
//
@ -9,6 +9,6 @@
#define VERSION_MAJOR 5
#define VERSION_MINOR 0
#define VERSION_REVISION 202
#define VERSION_REVISION 203
#endif