Obviously that private data is cropped in some way then, since the minimum size of a video sample description in QuickTime video is 86 bytes.
Mats -- Mats Peterson http://matsp888.no-ip.org/~mats/ ----- Original Message ----- From: Michael Niedermayer <michae...@gmx.at> To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org> Sent: Saturday, December 12, 2015 11:58 AM Subject: Re: [FFmpeg-devel] [PATCH] matroskadec.c: Handle palettized QuickTime video properly On Fri, Dec 11, 2015 at 11:32:13AM +0000, Mats Peterson wrote: > OK, here is an improved version of my previous patch of matroskadec.c that > manages the palette itself without calling code in mov.c. I have borrowed > some code from it, though, and I'm including qtpalette.h. One thing I don't > understand is why the minimum private data size for V_QUICKTIME has been the > mysterioius value 21 so far, since 86 is the minimum size for a video sample > description without a palette. So I changed that. As I said before, I have > also changed the minimum private data size for A_QUICKTIME from 86 to 36, > since 36 is the size of a version 0 sound sample description. > Mats -- > Mats Peterson > http://matsp888.no-ip.org/~mats/ > matroskadec.c | 94 > ++++++++++++++++++++++++++++++++++++++++++++++++++++++---- > 1 file changed, 89 insertions(+), 5 deletions(-) > 6d1e32a75c7d8de7dfb02756a135ad7855c49b90 matroskadec.c.diff > --- matroskadec.c.orig 2015-12-08 11:01:40.640478749 +0100 > +++ matroskadec.c 2015-12-11 12:00:13.000000000 +0100 this breaks demuxing of the video stream from output-ffmpeg-20140109-git-c0a33c4.mkv (google should find a url for this) [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB The worst form of inequality is to try to make unequal things equal. -- Aristotle _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
