[FFmpeg-devel] Issues with ljpeg

[Reimar Döffinger]

On Wed, Aug 27, 2008 at 06:21:05PM +0200, Mathieu Malaterre wrote:
> Anyway it produces some kind of jpeg, with a bit depth of 9 (don't
> ask...).

That is correct. Since as said it does a "pseudo RGB -> YUV" which
involves terms like "R - G", 9 bits are required.

> I have not been able to reread with any of my usual jpeg
> decompressor.

I have not tested myself, but I would assume that ffmpeg can
convert it back to e.g. PNG.