[MPlayer-dev-eng] [PATCH] further dvr-ms playback improvements

[Nico Sabbi]

John Donaghy wrote:

>>
>> maybe ask microsoft. Isn't there any useful information in msdn? :)
>
>
> I take it that's a joke right? ;)

no, sometimes useful pieces of information leak

>
> Seriously though, the only documentation from them that I've found is
> the ASF spec and there are a number of areas where dvr-ms doesn't
> conform. Such as the average frame time being the actual average frame
> time - or the frame size being the actual frame size. (Yes, that's
> right,  the frame size is wrong too - 720x480 in both PAL and NTSC SD,
> and.... 704!!!x480 in the HD PAL sample from Australia). Apparently
> the only way to get both of these rather important pieces of
> information is from the codec.


I noticed it

>
> Anyway, I think there's a way to at least get fairly accurate PTS
> values from the container based on some form of "smoothing out"
> technique applied to the PTS values in the file. Plus I can send a
> patch that does a better job of marking key frames (another dvr-ms
> non-compliance issue!).


patch welcome

>
> That would leave the frame size, about which I currently dont know
> what to do. What about a generic mechanism in mplayer for picking that
> up the frame size from the codec when there's no other way?


maybe don't assign the frame size if the file is dvr-ms