no sound firefox / fennec mobile

[DavidHenryThoreau]

Please describe your bug

I'm using latest Fennec F-Droid https://f-droid.org/fr/packages/org.mozilla.fennec_fdroid/ some vidéos encoded in avi or mp4 does not have sound, but video can be played.

Reproduction Steps

Use Fennec F-Droid
Try to play mp4 or avi vidéo

Try to switch computer mode in fennec
Try to play mp4 or avi vidéo

Jellyfin Version

10.9.0

if other:

No response

Environment

- OS:  GNU/Linux
- Linux Kernel: 6.6
- Virtualization: Docker
- Clients: Fennec F-Droid
- Browser: Fennec F-Droid 127.0.2
- FFmpeg Version: Latest in jellyfin 10.9.7
- Playback Method:
- Hardware Acceleration:
- GPU Model:
- Plugins:
- Reverse Proxy:
- Base URL:
- Networking:
- Storage:

Jellyfin logs

[12:59:10] [INF] [35] Jellyfin.Api.Helpers.MediaInfoHelper: User policy for test. EnablePlaybackRemuxing: True EnableVideoPlaybackTranscoding: True EnableAudioPlaybackTranscoding: True
test.avi" -map_metadata -1 -map_chapters -1 -threads 0 -map 0:0 -map 0:1 -map -0:s -codec:v:0 libx264 -preset veryfast -crf 23 -maxrate 4942584 -bufsize 9885168 -x264opts:0 subme=0:me_range=4:rc_lookahead=10:me=dia:no_chroma_me:8x8dct=0:partitions=none -force_key_frames:0 "expr:gte(t,n_forced*3)" -sc_threshold:v:0 0 -vf "setparams=color_primaries=bt709:color_trc=bt709:colorspace=bt709,scale=trunc(min(max(iw\,ih*a)\,min(512\,368*a))/2)*2:trunc(min(max(iw/a\,ih)\,min(512/a\,368))/2)*2,format=yuv420p" -codec:a:0 copy -copyts -avoid_negative_ts disabled -max_muxing_queue_size 2048 -f hls -max_delay 5000000 -hls_time 3 -hls_segment_type fmp4 -hls_fmp4_init_filename "0bf220b2e3c75fa0289cfecbceae10ab-1.mp4" -start_number 0 -hls_segment_filename "/test/data/transcodes/0bf220b2e3c75fa0289cfecbceae10ab%d.mp4" -hls_playlist_type vod -hls_list_size 0 -y "/test/data/transcodes/0bf220b2e3c75fa0289cfecbceae10ab.m3u8"

FFmpeg logs

No response

Please attach any browser or client logs here

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