[FFmpeg-devel] [WIP][RFC][PATCH] png: support for skiping decoding data

Nicolas George nicolas.george at normalesup.org
Sat Aug 10 12:44:51 CEST 2013

Le duodi 22 thermidor, an CCXXI, Paul B Mahol a écrit :
> Crude attempt at parsing only frame and not doing decoding.
> It returns frames with data, not calling ff_get_video_buffer()
> gives error.
> Perhaps doing this from parser is better solution.

I suppose this is about trac ticket #2845 and this recent discussion in -user:

I see you are using AVDISCARD_ALL to implement this; it does seem like a
good idea, but did you check whether the few codecs that support it handle
it the same way? Ideally, this option could be enabled in
avformat_find_stream_info() for all codecs.


  Nicolas George
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