There is No audio of WebRTC in OBS 27.1.3 when pulling with browser source, but OBS 30.0

[iesv]

Which version are you using?

v1.3.0

Which operating system are you using?

• Linux amd64 standard
• Linux amd64 Docker
• Linux arm64 standard
• Linux arm64 Docker
• Linux arm7 standard
• Linux arm7 Docker
• Linux arm6 standard
• Linux arm6 Docker
• [x ] Windows amd64 standard
• Windows amd64 Docker (WSL backend)
• macOS amd64 standard
• macOS amd64 Docker
• Other (please describe)

Describe the issue

There is No audio of WebRTC in OBS 27.1.3 when pulling with browser source, but OBS 30.0

Describe how to replicate the issue

1. start the server
2. publish with chrome (H264+opus): https://192.168.10.200:8889/mystream/publish
3. read with OBS 27.1.3 of browser source: https://192.168.10.200:8889/mystream
4. enable control audio via OBS + unmute
5. audio does't work on OBS 27.1.3
6. but OBS 30.0 works.

Did you attach the server logs?

2023/11/14 11:12:44 INF [WebRTC] [session 6bccf672] created by 192.168.10.200:52287
2023/11/14 11:12:45 INF [WebRTC] [session 6bccf672] peer connection established, local candidate: host/udp/172.28.96.1/8189, remote candidate: prflx/udp/192.168.10.200/51277
2023/11/14 11:12:45 INF [WebRTC] [session 6bccf672] is reading from path 'mystream', 2 tracks (Opus, H264)

Did you attach a network dump?

yes / no

[aler9]

Hello, as you already mentioned in this issue, OBS 30.0 works without any problem. Furthermore, since audio is present when reading a stream from any browser with WebRTC, and since the browser source of OBS should mimic a web browser, the bug here lied entirely on the OBS side.

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