[mythtv-users] aspect detection mpeg2 vs h264 dvb streams

[Marc Randolph]

On Mon, Apr 5, 2010 at 4:47 PM, Martin <martin.rene.mortensen at gmail.com> wrote:
>
> When i watch live-tv or recordings on DVB-T mpeg2 channels, Myth
> automatically scales the picture to the correct aspect : wide-screen (16:9)
> or non-wide (?) screen (4:3) for each show. I'm not sure how, but it works
> fantastically and detects aspect correctly for every show and movie. But the
> new h264 channels (SD) only detects aspect when one enters the channel - not
> between shows.
> I'm not even sure how to debug it - I do get some information from the
> frontend logs when it changes show on mpeg2, but no information when
> changing shows on h264. Maybe it changes stream on mpeg2 and its just one
> stream on h264 channels.
> mpeg2 log excerpt:
> 2010-04-05 16:23:15.996 VideoOutputXv: InputChanged(704,576,1.33333)
> 'MPEG2'->'MPEG2'
> 2010-04-05 16:23:15.996 Display Rect  left: 160, top: 0, width: 960, height:
> 720, aspect: 1.77778
> 2010-04-05 16:23:15.996 Video Rect    left: 0, top: 0, width: 704, height:
> 576, aspect: 1.33333
> 2010-04-05 16:23:15.996 Display Rect  left: 160, top: 0, width: 960, height:
> 720, aspect: 1.77778
> 2010-04-05 16:23:15.996 Video Rect    left: 0, top: 0, width: 704, height:
> 576, aspect: 1.33333
> 2010-04-05 16:23:16.051 detectInterlace(Detect Scan, Interlaced Scan, 25,
> 576) ->Interlaced Scan
> 'video_output' mean = '40322,92', std. dev. = '3455,50', fps = '24,80'
> 2010-04-05 16:23:20.533 NVP(1): Delayed subtitle: 3310ms late
> 2010-04-05 16:23:20.538 NVP(1): Delayed subtitle: 3310ms late
> 2010-04-05 16:23:20.538 Setting subtitles visible, frame_timecode=32771407
> starts=32768097 expires=32801407
> 'video_output' mean = '41003,74', std. dev. = '5799,59', fps = '24,39'
> Can it be fixed with a setting or other work-around ? (yes, you can manually
> override aspect, but that alot of clicks for each show)
> Btw. I run trunk 23725M and use XV for SD and VDPAU for HD.

Perhaps update and see if it still happens after the below was fixed?

http://svn.mythtv.org/trac/ticket/8269

   Marc