[mythtv-users] No sound unless other audio track selected on some recordings

[DaveD]

On 5/31/25 10:50 AM, DaveD wrote:
>
> The upgrade woes continue:  after upgrading my Fedora system to FC41, 
> I am unable to get sound on certain AC3 recordings without selecting 
> the second audio track from the menu while it plays. There is no sound 
> or error message on the GUI, but the log (console output) is 
> constantly showing the following errors:
>
> 2025-05-30 11:49:58.074616 W [3097065/3097724] Decoder 
> avformatdecoder.cpp:4859:GetFrame  AFD: Audio 29403504 ms behind video 
> but already 220 video frames queued. AV-Sync might be broken.
> 2025-05-30 11:49:58.092210 W [3097065/3097724] Decoder 
> avformatdecoder.cpp:4859:GetFrame  AFD: Audio 29403537 ms behind video 
> but already 220 video frames queued. AV-Sync might be broken.
> 2025-05-30 11:49:58.108485 W [3097065/3097724] Decoder 
> avformatdecoder.cpp:4859:GetFrame  AFD: Audio 29403587 ms behind video 
> but already 220 video frames queued. AV-Sync might be broken.
>
> I select the other track, at which point the recording plays fine, 
> with AC3 passthrough.  This is happening on recordings I was able to 
> play just fine before the upgrade.  I don't remember what version of 
> Myth I was running before the Fedora upgrade, but I'm running 34 now.  
> I am able to play the files with Mplayer and VLC without any trouble.
>
> The media info:q command on one of the problem recordings shows the 
> two audio tracks as follows:
>
Oops!  I have no idea what happened to create that bogus link!  It 
should have read "the mediainfo command"...

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