[FFmpeg-devel] [PATCH]Flip some MJPEG encodings

Carl Eugen Hoyos cehoyos
Mon Oct 19 00:38:30 CEST 2009


Hi!

> > Michael, could you comment again on the latest patch for issue 1464?
> > I'm not convinced that format image2 should be a reason to delay the
> > patch. or is there a simple way of recognizing these formats without 
> > using codec_tag?)
>
> pick some hex editor and look at the file, also look at the jpeg spec
> and or the jpeg decoder
>
> i see things like "Intel(R) JPEG Library, version ....
> in there, i suspect something surrounding that would be more reliable
> for detection than the codec_tag

I hope "Intel(R) JPEG Library" is enough to verify?
Attached patch fixes issues 1464 and 1468.

Please comment, Carl Eugen
-------------- next part --------------
A non-text attachment was scrubbed...
Name: patchflipMJPEG.diff
Type: text/x-diff
Size: 1569 bytes
Desc: 
URL: <http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/attachments/20091019/ad6286cf/attachment.diff>



More information about the ffmpeg-devel mailing list