[MPlayer-dev-eng] [PATCH] unified timing patch for H264

Nico Sabbi nicola.sabbi at poste.it
Thu Sep 2 14:51:54 CEST 2010


Carl Eugen Hoyos ha scritto:
>
> All PAFF samples in MPEG TS streams are fixed for the native demuxer (and
> nocorrect-ots which is the default) with this patch, -demuxer lavf
> -nocorrect-pts (which is not the default) is broken for all (?) MPEG TS streams
> containing PAFF with the patch.
>
> The advantage of the native TS demuxer is that seeking works much better (from a
> users pov at least), sync after seek is fine and even with my ORF recordings
> that don't want to seek with -demuxer lavf (roundup issue 1963), seeking works
> fine with the native demuxer.
>
> For the MPEG PS native demuxer, the patch makes no difference, since it does not
> support H264 streams (or I haven't found a supported one yet)...
>    

it does, just use some reasonable -psprobe value

> The sony 9-second sample is enough to reproduce this, but I also tested a long
> Asian television recording (with visible mouth sync), the premiere sample and
> some non-MPEG PAFF samples: MKV is completely out-of-sync with -nocorrect-pts
> without the patch and playing slightly better (but not fine) with the patch
> (tv.mkv), mov plays fine in all configurations (with and without patch, with
> native and lavf demuxer, with correct-pts and nocorrect-pts).
>
> Carl Eugen
>
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