[Mplayer-dev-eng] A-V resync problems again

[Felix Buenemann]

On Sunday, 3. June 2001 15:36, you wrote:
> Hi, Felix Buenemann!
>
> On 2001-06-03 08:07:20 you wrote:
> >> >> I just have found SUBJ. I watched the 3 hours of DivX film and at the
> >> >> 15 minutes until end video was freezed but sound continued playing
> >> >> and as result well known 15 sec resync when audio is outdistance of
> >> >> video stream. It seems that resync is accumulated during film and
> >> >> activate at end. I don't know why this is occured, but may be would
> >> >> be better to use 64-bit integer type (long long int) for code which
> >> >> perform
> >> >> synchronization or something likewise?
> >> >
> >> >Video usually freezes with divx on defect frames, dunno if mplayer
> >> > should usually hanle it but windooze mplayer stops video then and
> >> > sound goes on, you have to skip forward to get video again. (Haven't
> >> > treid playing freezeframe divx with mplayer yet...)
> >>
> >> Of course, to continue watching I skip this frame and get unrecoverable
> >> A-V resync. I.e. after prexsing <- and -> nothing was occured and
> >> streams were resync even I skip back on point where were no problems.
> >> Btw during watching this film I've found also several such frames but
> >> they only caused slowing down of playback but not stop video stream and
> >> there was not resync. But possible that mplayer handle such situation
> >> and correctly avoid them ?
> >
> >Please check DOCS/BUGS section bout A/V sync, starting line 42, if it
> > doesn't help you should upload enough of the file to thot ftp so we can
> > reproduce the error.
>
> At first from DOCS/BUGS:
> #- your soundcard doesn't support 48Khz playback
> #  Workaround: buy a better soundcard...
> #             or try to decrease fps by 10% (use -fps 27 for a 30fps movie)
> I have SB16 which can play only 44100 but I've watched almost film entire
> (first 2 hours 45 min) without any problems and without a-v resync. Arpi
> probably fixed this by syncing each frame. Second:
> I would be glad to upload "bad" piece of avi but not entire avi - because
> avi have size about 700Mb but "bug" is occured withing last 15min of film.
> How I can cut out "bad" piece? I tried cut out one avi (I've cut only first
> megabyte of file) and mplayer says that this avi have no indexes and seek
> not possible.
You can split it under windooze with virtual dub (virtualdub.sf.net)
>
> Best regards! Nick (2001-06-03 13:29:45)
>
-- 
Best Regards,
   Felix

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