[MPlayer-users] HD video judders unless played with -nosound

Ilja Sekler ilja_sekler_ at gmx.de
Sun Nov 20 15:32:38 CET 2011


On 20.11.2011 15:07, Reimar Döffinger wrote:

> On Sun, Nov 20, 2011 at 01:07:08PM +0100, Ilja Sekler wrote:
> 
>> On 19.11.2011 16:29, Ilja Sekler wrote:
>> 
>>> when playing HD DVB-C channels [...], video judders noticeably.
>>> This happens e.g. with -ao pulse and -ao pcm. Playback with -ao
>>> alsa is impeccably smooth.
>> 
>> Oh well, please scratch that. Even if the visual impression with
>> -ao alsa was sometimes better than with other audio outputs, the
>> A-V offset still oscillates with peaks 2-3 times a second reaching
>> 0.3 while with standard definition channels it stays almost always
>> below 0.01. These A-V offset peaks are responsible for video
>> judder.
>> 
>> The choice for now is perfect sound with juddering video /or/
>> perfectly smooth video with -nosound. Any help or advice is greatly
>> appreciated.
> 
> Try with -mc 0 or -demuxer lavf.

"-mc 0" results in a permanent severe and still oscillating A-V desync,
but "-demuxer lavf" did the trick (best when combined with "-mc 5" to
moderately speed up A-V sync), thank you very much.

-- 
Regards

Ilja


More information about the MPlayer-users mailing list