[FFmpeg-devel] [BUG?] pixel format conversion not handled

Michael Niedermayer michaelni
Fri Jul 13 14:52:19 CEST 2007


Hi

On Fri, Jul 13, 2007 at 07:06:35AM +0300, Kostya wrote:
> On Thu, Jul 12, 2007 at 10:32:25PM +0200, Michael Niedermayer wrote:
> > Hi
> > 
> > On Thu, Jul 12, 2007 at 08:38:13PM +0300, Kostya wrote:
> > > I'm trying to test my decoder (svn://svn.mplayerhq.hu/soc/rv40) and
> > > for some reason ffmpeg says "pixel format conversion not supported"
> > > and gives only black frame while ffplay plays it fine (that garbage
> > > my decoder produces for now).
> > > 
> > > It happens because ffmpeg does not set the input image format.
> > > Can this be caused by my code, demuxer or something is wrong in
> > > ffmpeg.c?
> > 
> > ffplay_g Blade2_640_1Mbps.rm
> > ...
> > *** glibc detected *** ./ffplay_g: corrupted double-linked list: 0x0868f1b0 ***
> > 
> > maybe you should run this under valgrind ...
> 
> Found one place where memset goes out of bounds but this problem caused
> by different means. 
> 
> It happens only on Sample.rmvb (http://samples.mplayerhq.hu/real/VC-RV40/)
> and looks like it does so because of some additional unknown codec.
> I must add this happens by passing icodec->pix_fmt=-1 to sws_getContext()
> even before codec init. 

try -analyzeduration 9M

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

It is dangerous to be right in matters on which the established authorities
are wrong. -- Voltaire
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