[FFmpeg-devel] Bug with meta data writing? or empty frames added to begining of video?

[Jesus Altuve]

My Apologies. it is latest SVN now.. same problem I described.

[someuser at somehost ~]$ ffmpeg -i input.wmv -acodec libmp3lame -ab 32k -ar
22050 -vcodec flv -s 320x240 -b 224k -r 25 -y output.flv
FFmpeg version SVN-r10129, Copyright (c) 2000-2007 Fabrice Bellard, et al.
  configuration: --enable-gpl --enable-libmp3lame --enable-libvorbis
--enable-libogg --enable-libfaac --enable-libfaad --enable-liba52
--enable-libamr-nb --enable-libamr-wb --disable-debug --enable-libx264
--disable-ffserver
  libavutil version: 49.5.0
  libavcodec version: 51.41.0
  libavformat version: 51.12.2
  built on Aug 17 2007 08:06:17, gcc: 3.4.6 20060404 (Red Hat 3.4.6-3)

Seems stream 1 codec frame rate differs from container frame rate:
1000.00(1000/1) ->
29.97 (30000/1001)
Input #0, asf, from 'input.wmv':
  Duration: 00:00:50.6, start: 0.000000, bitrate: 314 kb/s
  Stream #0.0: Audio: wmav2, 44100 Hz, stereo, 64 kb/s
  Stream #0.1: Video: wmv3, yuv420p, 448x344, 250 kb/s, 29.97 fps(r)
Output #0, flv, to 'output.flv':
  Stream #0.0: Video: flv, yuv420p, 320x240, q=2-31, 224 kb/s, 25.00 fps(c)
  Stream #0.1: Audio: libmp3lame, 22050 Hz, stereo, 32 kb/s
Stream mapping:
  Stream #0.1 -> #0.0
  Stream #0.0 -> #0.1
Press [q] to stop encoding
Compiler did not align stack variables. Libavcodec has been miscompiled
and may be very slow or crash. This is not a bug in libavcodec,
but in the compiler. You may try recompiling using gcc >= 4.2.
Do not report crashes to FFmpeg developers.
frame= 1319 fps= 98 q=13.2 Lsize=    1929kB time=47.9 bitrate= 330.2kbits/s

video:1473kB audio:187kB global headers:0kB muxing overhead 16.193310%



On 8/16/07, Michael Niedermayer <michaelni at gmx.at> wrote:
>
> Hi
>
> On Thu, Aug 16, 2007 at 09:25:57PM -0400, Jesus Altuve wrote:
> [...]
> > FFmpeg version SVN-r10065, Copyright (c) 2000-2007 Fabrice Bellard, et
> al.
> >   configuration: --enable-gpl --enable-libmp3lame --enable-libvorbis
> > --enable-libogg --enable-libfaac --enable-libfaad --enable-liba52
> > --enable-libamr-nb
> >
> > --enable-libamr-wb --disable-debug --disable-ffserver --disable-ffplay
> > --enable-memalign-hack --enable-libx264
> >   libavutil version: 49.4.1
> >   libavcodec version: 51.40.4
> >   libavformat version: 51.12.1
>
> this is not latest svn
>
> [...]
> --
> Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
>
> I know you won't believe me, but the highest form of Human Excellence is
> to question oneself and others. -- Socrates
>
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>
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