[FFmpeg-devel] [WIP] Fix unnecessary memcpy in ffmpeg when libavfilter is enabled

Michael Niedermayer michaelni
Tue Nov 2 02:28:53 CET 2010

On Tue, Nov 02, 2010 at 02:23:45AM +0100, Stefano Sabatini wrote:
> Hi all,
> check this one. Again another big patch stack to climb before to reach
> the top, and I suspect that there are problems with direct rendering
> for some codecs, the given patches compile but then they fail
> regressions (FFV1 and snow in particular).

> Also ffplay always crash when playing a FFV1 file, maybe someone can
> have look at it.

its because the buffer is released before its returned

> Also I wonder how should we fix the vflip+DR -> crash problem, if we
> should enable codecs to work with reversed frames or if we should
> inhibit direct rendering when hflipping is detected in the
> filterchain.

CODEC_CAP maybe, but this needs more thought

Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Into a blind darkness they enter who follow after the Ignorance,
they as if into a greater darkness enter who devote themselves
to the Knowledge alone. -- Isha Upanishad
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