On Thu, Oct 13, 2016 at 04:41:00PM +0200, Ståle Kristoffersen wrote: > On 2016-10-12 at 13:57, Carl Eugen Hoyos wrote: > > 2016-10-11 16:27 GMT+02:00 Michael Niedermayer <mich...@niedermayer.cc>: > > > > > also the img2 demuxer for mjpeg2000 from img2dec.c does not work > > > for this ? > > > > We separated the jpg from the mjpeg probe, jpg makes sure that the > > sample starts like a jpg image and contains an end marker and can > > be decoded, mjpeg probe is less strict but requires more than one > > frame. > > Same could be argued for j2k or was our reasoning bad? > > Since nobody chimed in on this, I have created two new patches, one > containing a separate mjpeg 2000 probe > (0001-libavf-Auto-detect-mjpeg-2000-in-mpeg-ts2.patch), and one that > incorporates it into the img2dec jpeg 2000 probe > (0001-libavf-Make-jpeg-2000-probe-work-for-mjpeg-2000.patch). >
> I think it is best to have them separated, as that matches the mjpeg > behaviour. have you tested the demuxer ? i dont think it works outside probing for mpegts i think for j2k codestream support a jpeg2000 parser is needed first same as we have for mjpeg that said i have no preferrance for which way its done but i think were not all aware that adding a identical mjpeg style demuxer was only part of the stuff needed ... [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB No human being will ever know the Truth, for even if they happen to say it by chance, they would not even known they had done so. -- Xenophanes
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