audio-stream-silence no longer working

mpv version and platform

Using two versions of mpv to test. One is mpv 0.27.2 from debian multimedia.org. The other is mpv 0.29.0-28-ga5b0d59084, compiled Sept 2nd.

Reproduction steps

I am using a symlink from /usr/local/etc/mpv to /etc/mpv, and share the same config file for both versions. I know the config file is being parsed by both versions, as many usability tweaks are missing otherwise.

With mpv 0.27.2 and audio-stream-silence=yes in mpv.conf, my amp pauses, seeks, resumes with virtually no lag in audio starting up.

With mpv 0.29.0-28-ga5b0d59084 and audio-stream-silence=yes in mpv.conf, my amp pauses, seeks, resumes with up to 2-3 seconds delay before audio starts.

I do have mpv ready to compile.. so, I can text/check/etc anything suggested.

Hmm.

When beginning to collect a logfile for this bug report, I noticed this on pause (something I would not notice via my media center + remote control at the TV):

AV: 00:00:00.501 / 02:11:42.933 (0%) A-V: 0.000 Cache: 91s+159MB
[ao/alsa] Error received from snd_pcm_avail (-32, Broken pipe)!
[ao/alsa] Error received from snd_pcm_avail (-32, Broken pipe)!
[ao/alsa] Error received from snd_pcm_avail (-32, Broken pipe)!
(Paused) AV: 00:00:00.542 / 02:11:42.933 (0%) A-V: 0.000 Cache: 91s+159MB
[ao/alsa] Error received from snd_pcm_avail (-32, Broken pipe)!
[ao/alsa] Error received from snd_pcm_avail (-32, Broken pipe)!
[ao/alsa] Error received from snd_pcm_avail (-32, Broken pipe)!
(Paused) AV: 00:00:00.542 / 02:11:42.933 (0%) A-V: 0.000 Cache: 91s+159MB
[ao/alsa] Error received from snd_pcm_avail (-32, Broken pipe)!
[ao/alsa] Error received from snd_pcm_avail (-32, Broken pipe)!
(Paused) AV: 00:00:00.542 / 02:11:42.933 (0%) A-V: 0.000 Cache: 91s+159MB
[ao/alsa] Error received from snd_pcm_avail (-32, Broken pipe)!
[ao/alsa] Error received from snd_pcm_avail (-32, Broken pipe)!

These errors are not shown with mpv 0.27.2.

Thanks

mpv.log

Start with the attached mpv.log and the pause/resume path for audio-stream-silence, then inspect the ALSA output indicated by [ao/alsa]. Reproduce the behavior with mpv 0.27.2 and 0.29.0-28-ga5b0d59084 using the shared mpv.conf; done means the delay and repeated Broken pipe errors no longer occur.