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

Michael Niedermayer michaelni
Mon Oct 19 15:32:21 CEST 2009


On Mon, Oct 19, 2009 at 12:38:30AM +0200, Carl Eugen Hoyos wrote:
> 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

>  mjpegdec.c |    7 ++++++-
>  mjpegdec.h |    1 +
>  2 files changed, 7 insertions(+), 1 deletion(-)
> 01124292f5d6d7ef5e05dbd43d00d4c3c1998ae9  patchflipMJPEG.diff

ok

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

In fact, the RIAA has been known to suggest that students drop out
of college or go to community college in order to be able to afford
settlements. -- The RIAA
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 189 bytes
Desc: Digital signature
URL: <http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/attachments/20091019/8dad0a35/attachment.pgp>



More information about the ffmpeg-devel mailing list