[FFmpeg-devel] [PATCH] libopenjpeg GRAY16 decoding

Michael Bradshaw mbradshaw at sorensonmedia.com
Tue Jan 31 00:13:52 CET 2012

On Mon, Jan 30, 2012 at 4:06 PM, Paul B Mahol <onemda at gmail.com> wrote:

> On 1/30/12, Michael Bradshaw <mbradshaw at sorensonmedia.com> wrote:
> > Hi, attached patch adds support for decoding GRAY16 video with
> libopenjpeg.
> >
> > While I've got your attention, I was adding support for GRAY8A and RGBA64
> > and I kept getting an error "impossible to convert between the formats
> > supported by the filter 'auto-inserted scale 0' and the filter 'out'"
> when
> > trying to encode a GRAY8A or RGBA64 sample.  Is this a known issue or
> > should I file it in the bug tracker?
> Is it possible that it can support monowhite/monoblack?
> This would be when bpp == 1 on same line.

 I can't think of why it wouldn't be possible.  I'll have to double check
it and make sure libopenjpeg handles it appropriately.

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