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live stream via SRT or RTMP of phone screen (mediaprojection) results in audio cracking

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#2,042 10 comments 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty
4/5
Estimated time
Over a week
Newbie friendliness
18/100
Issue type
Bug
Clarity
Mostly clear
Activity status
Stale
Tech stack
android, kotlin

Research direction

The report involves MediaProjection internal audio mixed with the microphone, sent over RTMP and SRT, and the noise appears only when local recording runs alongside the stream. Start from the audio capture and mixing path in the library, then reproduce with mix audio source enabled and recording on, comparing the live output against the recorded file. Done would mean the streamed audio stays clean with recording active, verified on both RTMP and SRT.

Written by the indexing model from the issue text.

Description

The app screen is live streamed with mix audio source and also recorded.

The recorded video has no audio issue but the live stream viewers hear audio with heavy noise like cracking , jittering , echo sometimes .

On RTMP the micro phone audio has no issue but when mix audio source is used audio issue comes mainly on the mixed app internal audio

on SRT even the micro phone audio has issue.

But when the local recording is not enabled the live stream seems good, when both recording and live stream using mix audio source then audio plb for live stream users

For a context the live stream is streamed on top of chime meeting session (like zoom , gmeet) few users will already in a meeting that meeting is live streamed to many users.

Dominant language
Kotlin
Stars
3k
Forks
946
Avg merge
4d 6h
Merged PRs (30d)
9

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