On Fri, Jan 23, 2015 at 11:34:35PM +0100, Michael Niedermayer wrote:
> On Fri, Jan 23, 2015 at 09:58:41PM +0100, Jean First wrote:
> > if the openjpeg parameter tcp_rates is not 0 ( using the ffmpeg 
> > compression_level option ) 
> > every 2nd image per thread is badly encoded. By moving the 
> > opj_setup_encoder function from
> > libopenjpeg_encode_init to libopenjpeg_encode_frame this can be prevented.
> > 
> > This fixes ticket #3754.
> 
> how can this be reproduced ?

note, ive tried:
ffmpeg -i matrixbench_mpeg2.mpg -an -compression_level 1 -vframes 30 -threads 1 
-compression_level 1 -vcodec libopenjpeg test.nut

and that results in grayscale only output before as well as after
the patch

[...]

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Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Into a blind darkness they enter who follow after the Ignorance,
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to the Knowledge alone. -- Isha Upanishad

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