[mythtv-users] Video file with poor playback on ION board

[Mark Kendall]

On 25 January 2011 01:40, Kenni Lund <kenni at kelu.dk> wrote:
> 2011/1/24 Mark Kendall <mark.kendall at gmail.com>:
>> Go into  Setup->tv settings->playback->playback profiles and edit your
>> profile. on the second page there is a 'custom filters' text entry box
>> - add vdpaubuffersize=XX where XX is something greater than 17 (the
>> default) and less than 50 (the max allowed). You'll probably want to
>> test a little to get a value that works well without going too high
>> (each extra buffer costs more video memory).
>
> Mark, on a side-note, besides using more memory, doesn't this approach
> make your subtitles become out-of-sync?

Kenni

I'd never really thought about it before but I imagine this could
cause some sync issues with subtitles. We display subtitles as they
are decoded so a large video buffer will introduce some discrepancies
- and using 50 buffers can represent around 2 seconds.

regards

Mark