[MPlayer-G2-dev] more on frame timing, framerate-changing filters

[Anders Johansson]

Hi,
 
> Also, on another matter. I know G1's whole a/v sync system has been
> based on a lot of approximations and feedback measurement. This is
> great for mplayer, and probably also for encoding from variable-fps
> input to fixed-fps avi output with mencoder. However, especially with
> the new perfect-a/v-sync mpeg code in G2, I'd really like to see
> support for "exact" timing in G2. Maybe a way to use a time division
> base and specify all pts stuff in terms of those (exact) units. It
> would be much perferred for precision encoding and video processing
> work, and nice for output to containers like nut (mpcf) which will
> support such things. 

I'de like to see this as well. The sync should not be based on audio
but instead on the realtime clock or an external timebase (worldclock
cards can be purchased for PC). If the soundcard isn't synked to the
RTC then one could fix it using sample stuffing or dropping (inaudible).

>
> Rich
>

//Anders