[FFmpeg-devel] Segmentation Fault

[Denny Deaton]

I just ran subversion to make sure I had the latest build.  It updated it to
version 14537.  However when I run FFMPEG it still says "FFmpeg version
SVN-r14166".
Also, the example I used was H264 -> H264 but the vcodec of H264 is not
always the case for the source.  If there is a way to do a conditional in
FFMPEG to detect the source codec I'd love to know how to do it.  Otherwise
isn't forcing it to always be H264 the best method?

Thanks again everyone,
Denny

On Mon, Aug 4, 2008 at 12:08 PM, Mike Melanson <mike at multimedia.cx> wrote:

> Denny Deaton wrote:
> > Hi,I have been getting this error for a while now while trying to convert
> > videos using the libx264 library.  It used to work just fine but I
> recently
> > updated to a newer version of FFMPEG for other reasons and it will not
> > convert with this library anymore.  I have reinstalled FFMPEG and x264
> > multiple times with no avail.
> >
> > Here is the output I am getting:
> > ffmpeg -i dave.mov -vcodec libx264 -f flv dave.flv
> > FFmpeg version SVN-r14166, Copyright (c) 2000-2008 Fabrice Bellard, et
> al.
> >   configuration: --enable-shared --enable-libmp3lame --enable-gpl
> > --enable-libfaac --enable-libfaad --enable-libx264 --enable-libxvid
> > --enable-pthreads --enable-libvorbis --enable-libamr-nb
> --enable-libamr-wb
> > --enable-nonfree
> >   libavutil version: 49.7.0
> >   libavcodec version: 51.60.0
> >   libavformat version: 52.17.0
> >   libavdevice version: 52.0.0
> >   built on Jul 11 2008 11:08:56, gcc: 4.1.3 20070929 (prerelease) (Ubuntu
> > 4.1.2-16ubuntu2)
>
> You may wish to try a more current FFmpeg version. Development and bug
> fixes are ongoing.
>
> > [mov,mp4,m4a,3gp,3g2,mj2 @ 0x2aabf053e040]negative ctts, ignoring
> > Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'dave.mov':
> >   Duration: 00:01:43.36, start: 0.000000, bitrate: 2408 kb/s
> >     Stream #0.0(eng): Audio: libfaad, 48000 Hz, stereo
> >     Stream #0.1(eng): Video: h264, yuv420p, 568x320, 23.98 tb(r)
> > Output #0, flv, to 'dave.flv':
> >     Stream #0.0(eng): Video: libx264, yuv420p, 568x320, q=2-31, 200 kb/s,
> > 23.98 tb(c)
> >     Stream #0.1(eng): Audio: libmp3lame, 48000 Hz, stereo, 64 kb/s
> > Stream mapping:
> >   Stream #0.1 -> #0.0
> >   Stream #0.0 -> #0.1
>
> Also, why transcode H.264/AAC MOV to H.264/MP3 FLV? If you are streaming
> to Flash, Flash Player should handle the original file. Otherwise, you
> should be able to do a codec copy from MOV -> FLV without lossy
> transcoding.
>
> --
>         -Mike Melanson
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>



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