[MPlayer-dev-eng] making -mc the default in mencoder

Nico Sabbi nsabbi at tiscali.it
Mon May 17 16:22:30 CEST 2004


>>Ivan Kalvachev
>>
>>p.s.
>>If I understand correct "mc" is used to smooth dropping/dublicating.
>>It's maximum value is maximum frame duration.
>>    
>>
>
>mencoder uses a bad feedback system to measure A-V drift, because the
>demuxers suck too bad to give correct pts which could be used
>directly. The -mc option specifies how much the measured "A-V" value
>is allowed to change each frame. Using high values for -mc means trust
>the demuxer's pts, whereas low values will cause correction to take
>place only when there is prolonged desync in the source. But skips &
>duplicates for adjusting framerate (including inverse telecine) will
>always take place immediately, regardless of -mc, unless -noskip is
>also used.
>
>Rich
>
>
>
>  
>

is it better to use -mc 0 or -mc some_large_value when the demuxer gives 
correct
PTS that wrap around (mpeg  ps/ts ) ?




More information about the MPlayer-dev-eng mailing list