[Ffmpeg-devel] Illegal instruction error for ffmpeg and x264 on Intel iMac

[Michael Niedermayer]

Hi

On Fri, Mar 31, 2006 at 10:03:46PM +0200, Guillaume POIRIER wrote:
> Hi,
> 
> On 3/31/06, Laine Lee <llee at lonestar.utsa.edu> wrote:
> > On 3/31/06 1:29 PM, "Guillaume POIRIER" <poirierg at gmail.com> wrote:
> >
> > > Hi,
> > >
> > > On 3/31/06, Laine Lee <llee at lonestar.utsa.edu> wrote:
> > >
> > >> The only difference I see when I run with debugging enabled is that "Program
> > >> exited with code 0204." appears instead of "Illegal instruction".
> > >
> > > you need to provide a back trace and a dis-assembly of the part of
> > > code where the error occurred (the link I gave you explains that I
> > > believe).
> > >
> > > Guillaume
> > >
> >
> > Thank you for guiding me.
> >
> > Here's what I have.
> >
> > (gdb) r -i /video.mpg -f rawvideo -s 320x240 -|/usr/local/bin/x264  -o
> > /output.mp4 - 320x240
> > Starting program: /Users/me/ffmpeg/ffmpeg_g -i /video.mpg -f rawvideo -s
> > 320x240 -|/usr/local/bin/x264  -o /output.mp4 - 320x240
> > x264 [info]: using cpu capabilities MMX MMXEXT SSE SSE2
> > mp4 [info]: initial delay 0 (scale 25)
> > FFmpeg version CVS, Copyright (c) 2000-2004 Fabrice Bellard
> >   configuration:  --enable-faac --enable-faad --disable-vhook
> > --disable-ffplay --disable-ffserver --enable-a52 --enable-x264
> > --enable-pthreads --enable-gpl --enable-memalign-hack --disable-mmx
> >   libavutil version: 49.0.0
> >   libavcodec version: 51.8.0
> >   libavformat version: 50.4.0
> >   built on Mar 31 2006 12:29:38, gcc: 4.0.1 (Apple Computer, Inc. build
> > 5250)
> > Input #0, mpeg, from '/video.mpg':
> >   Duration: 00:00:26.4, start: 5810.226022, bitrate: 4341 kb/s
> >   Stream #0.0[0x1e0], 29.97 fps(r): Video: mpeg2video, yuv420p, 720x480,
> > 7000 kb/s
> >   Stream #0.1[0x80]: Audio: ac3, 48000 Hz, 5:1, 448 kb/s
> > Output #0, rawvideo, to 'pipe:':
> >   Stream #0.0, 29.97 fps(c): Video: rawvideo, yuv420p, 320x240, q=2-31, 200
> > kb/s
> > Stream mapping:
> >   Stream #0.0 -> #0.0
> > Press [q] to stop encoding
> >
> > Program exited with code 0204.
> > (gdb) bt
> > No stack.
> > (gdb) disass $pc-32 $pc+32
> > No registers.
> > (gdb)   info all-registers
> > The program has no registers now.
> 
> Odd, that means that the program has exited normally. Check your cpu
> temp to see if it's not overheating. this could your problem.

try valgrind or something similar

[...]
-- 
Michael