[mythtv-users] MythGallery: "Timed out waiting for frames" playing MJPEG

Raffaele BELARDI raffaele.belardi at st.com
Tue May 22 06:05:28 UTC 2012


On 05/22/2012 12:29 AM, Roger Siddons wrote:
> 
> Maybe no-one else has vain kids (& doting grandparents) that want to
> spend hours watching themselves.

Same here! :-)

>> Like you I'm unable to specify the player for MythGallery.
>>
> I had a quick look at this problem today. This was an intentional change
> for 0.25 (changeset
> <http://code.mythtv.org/trac/changeset/9135b216787f9bd5b67089ceca64ece2df9ae593/mythtv>)
> although I can't find the reason for it.

Good to know.

>> Unlike you I was successful re-encoding the MJPEG to MPEG with mencoder:
>> playback of re-encoded movies is fine in MythGallery, although the video
>> quality is not as good as the original (but that's a mencoder issue).
> 
> I presumed there would be  some way of processing them but I'm not going
> to re-encode 300 films just so that I can use Myth!

One easy solution would be to move the camera movies under the Video
directory where the alternative player configuration is honoured.

>> In your log there are lots of "Video is xxx frames ahead of audio"
>> messages, maybe there is a problem decoding the audio? On my camera
>> movies I think it's 8-bit PCM, mono. I could try to re-encode only the
>> audio to a more common format (e.g. mp3).

I did some more experiment, re-encoding MJEPG to MPEG, PCM to MP3 and
MJPEG/PCM to MPEG/MP3. Whenever I re-encode the video MythGallery plays
it fine. It seems that PCM audio is not the issue, instead MJPEG is.


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