[MPlayer-dev-eng] x264 dimensions not set / float point exception

[Joseph Miller]

On Thu, Dec 23, 2010 at 10:12 PM, compn <tempn at twmi.rr.com> wrote:
> On Thu, 23 Dec 2010 10:38:31 -0500, Joseph Miller wrote:
>>I keep getting floating point exceptions after doing the following.  I
>>have attached mencoder output.
>>
>>/opt/mplayer/bin/mencoder -oac mp3lame -srate 44100 -ovc x264 -vf
>>harddup -of lavf -o integra-lavf.mp4 integra.mp4
>>/opt/mplayer/bin/mencoder -ovc copy -oac copy -nosound -of rawvideo
>>integra-lavf.mp4 -o video.h264
>>/opt/mplayer/bin/mencoder -ovc copy -oac copy -of rawaudio
>>integra-lavf.mp4 -o audio.mp3
>>MP4Box -fps 30 -new integra-mp4box.mp4 -add video.h264 -add audio.mp3
>>
>>Then...
>>
>>/opt/mplayer/bin/mencoder -oac faac -ovc x264 -of lavf -o
>>integra-reencode.mp4 integra-mp4box.mp4
>>/opt/mplayer/bin/mencoder -oac faac -ovc x264 -of lavf -o
>>integra-reencode.mp4 integra-lavf.mp4
>>
>>That last two give me Floating point exception.
>>
>>I have uploaded integra.mp4 and integra-lavf.mp4 and
>>integra-mp4box.mp4 to the following location:
>>http://www.calcmaster.net/downloads/fpx/
>>
>>I have had this happen on MP4Box files and other .mp4 files.  I'm not
>>exactly sure what triggers it.  I can get around this by encoding to
>>.mp4 with mencoder and not using lavf, then reencoding that file using
>>mencoder lavf.
>>
>>-Joseph
>
> try -nosound or -demuxer mov
> probably related to dis bug:
> http://bugzilla.mplayerhq.hu/show_bug.cgi?id=1337
>

-nosound allows a few frames to be encoded but -demuxer mov does
nothing different.  -nosound still gives me the "dimensions not set"
message though.  I'm pretty much just a hack when it comes to serious
programming or debugging, but I'm thinking I'm going to need to start
attempting some debugging.

-Joseph