[FFmpeg-user] Image Conversion TIFF > JPEG with yuv422 chroma subsampling

Werner Robitza werner.robitza at gmail.com
Mon Jan 19 18:03:09 CET 2015

On Mon, Jan 19, 2015 at 5:53 PM, Andrea Rastelli <a.rastelli at rbw-cgi.it>

> Hi,
> I'm trying to convert a TIFF image sequence into JPEG (sequence) for
> preliminary video analysis, and I need to save the JPEG using yuv444 or
> yuv442.. but all I have achieved by now is the simple TIFF to JPEG
> conversion with some setup in the quality setting (that still produce
> blocky images, even with -q 1 or -q:v 1)..
> Also, the only codec that works is the MJPEG, any other codec produces
> unreadable images or extremely slow-to-process images (libopenjpeg)..

Please post the command(s) you're using, including the full, uncut command
line output.

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