[FFmpeg-devel] [PATCH] Electronic Arts TGV decoder

pross at xvid.org pross
Thu Aug 7 12:51:58 CEST 2008

On Wed, Aug 06, 2008 at 08:31:58PM -0700, Mike Melanson wrote:
> pross at xvid.org wrote:
> > If noone objects i will commit in ~two days time.
> Thanks for another game codec. I have been testing it and have found 
> that the sync is horribly wrong. Video finishe much sooner than the 
> audio. It is particularly noticeable on 1.TGV and 85_S.TGV found at:
>    http://samples.mplayerhq.hu/game-formats/ea-tgv/
> This occurs whether I play it with ffplay or transcode it with ffmpeg 
> and then play it with ffplay. I suppose ffplay could be the problem.

The video frame rate is 'game' dependent, and there doesnt seem to be any
way to identify it from the file header. You're going to have to force it
to watch your Wing Commmander videos...

* Need for speed, NBA '96: 1/15
* Privateer 2: 1/12

On a related note I find that FFplay doesn't sync the audio/video
properly with the EA files. That said, FFmpeg is able to transcode
them perfectly. This is probably attributed to the way audio is
'chunked' in the EA file. I also notice that Mplayer complains
repeatedly with 'Frame too small!!' when trying to playback EA files.

-- Peter
(A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
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