[Ffmpeg-devel] JPEG-LS codec

Michael Niedermayer michaelni
Wed Feb 1 12:05:48 CET 2006


On Wed, Feb 01, 2006 at 08:51:15AM +0200, Kostya wrote:
> Now I have JPEG-LS both decoder and encoder. Use FFmpeg "-pred x" option to set near-lossless compression. Please test and consider for inclusion.
> Encoder is not relying on MPV_* funcs because MPV_init won't let encode RGB images, and as I don't need MjpegContext it's easier to write own header than use mjpeg_picture_header.

../ffmpeg_g -y -f pgmyuv -i vsynth1/%02d.pgm -vcodec jpegls -pix_fmt rgb24 ./data/a-jpegls.avi

no error messages but image looks like random noise ...



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