[Ffmpeg-devel] broken decode of a jpeg
Tue Nov 15 21:22:47 CET 2005
Luca Ognibene <luogni at tin.it> writes:
> This jpeg is not decoded right with ffmpeg.
> I've tried several other apps and they work all fine. I'm attaching
> to this email a test program and a jpeg.
> gcc -o decode decode.c `pkg-config --libs --cflags libavcodec`
> ./decode image.jpg
> eog test0.pgm
> The decoded frame is compltely gray. If someone can help me fixing this
> bug.. Any comment would be helpful :)
That JPEG uses an usual encoding with the components stored
separately, and lavc doesn't know how to decode this. Sending it
through jpegtran fixes it losslessly.
mru at inprovide.com
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