Emby Android Screen Share Audio Bug Report (Discord)

[Slpy_Law 0]

Platform: Emby for Android on Samsung Galaxy Tab S11 Ultra, Android 16
Server: Latest Emby Server (unspecified - no server logs captured)
Date/Time of Issue: April 1, 2026, 21:00-21:30 CEST
User: Local Emby account (UID 10384)

What I'm trying to accomplish

Screen share Emby for Android app playback with audio to Discord voice channel on my Galaxy Tab S11 Ultra. Remote Discord users should hear my microphone + Emby media audio mixed together.

What happens instead

Emby media audio is NOT captured by Discord screen share. Discord remote submix detects the playback stream (USAGE_MEDIA CONTENT_TYPE_MOVIE) but transmits silence for Emby audio to remote participants. My microphone works perfectly.

Specific Steps to Reproduce

• Launch Discord on Tab S11 (Android 16) Ultra → Join voice channel → Start screen share → Select "Share Screen"

• Open Emby for Android app → Play any movie/video stream

• Local: Emby audio on tablet speakers

• Remote Discord users: Hear only my mic → NO Emby media audio

• Full-screen share test → Same silent Emby audio issue

Root Cause Analysis (Android 16)

• Discord REMOTE_SUBMIX policy active for screen share audio capture

• Emby stream blocks AudioPlaybackCapture (flags=0xE00 excludes submix routing)

• Mic (VOICE_COMMUNICATION) routes fine → Media-only issue

• Android 16/Samsung: AudioHardening focus request ignored for com.mb.android

Expected vs Actual

 

YouTube

App	Screen Share Audio to Discord
Emby	Silent (media blocked)
Mic + Video audio
Spotify	Mic + Music

Attachments

• dump.txt - Issue with emby app (21:13 CEST) https://pastee.dev/p/pjJdT0Uq - dump1

• dump2.txt - Working with spotify app (21:14 CEST) https://pastee.dev/p/pjJdT0Uq - dump2

dump2.txt dump.txt