[Ffmpeg-devel] FFmpeg segfaults when encoding h264

Michael Niedermayer michaelni
Fri Jan 19 12:41:44 CET 2007


On Fri, Jan 19, 2007 at 10:44:42AM +0000, Peter Andersson wrote:
> I'm using ffmpeg rev 7585
> When i try to convert a 720p h264 hdtv recording to mpeg2 ffmpeg segfaults. 
> The file also includes two audiostreams one ac3 and a mpg2.
> Heres the backtrace:
> #0  0x083782bf in ?? ()

useless, read docs bugreports.html it says use gdb ffmpeg_g (!! note the _g !!)

> And then just before the segfault i get something like this:
> [h264 @ 0x8597298]concealing 0 DC, 0 AC, 0 MV errors
> frame= 1443 q=2.0 size=    6566kB time=57.3 bitrate= 938.8kbits/s dup=216 
> drop=1frame= 1443 q=2.0 size=    6624kB time=57.7 bitrate= 940.8kbits/s 
> dup=216 drop=1[h264 @ 0x8597298]get_buffer() failed (stride changed)
> [h264 @ 0x8597298]decode_slice_header error

> If you need any more information please let me know.

upload the problematic h.264 file (or enough of it so we can reproduce this)

Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

I have often repented speaking, but never of holding my tongue.
-- Xenocrates
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