[Dcromato]

Ho un problema tutte le volte che cerco di convertire un file video in 3gp.Ottengo sempre un file vuoto.Questo il log:

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FFmpeg version SVN-rUNKNOWN, Copyright (c) 2000-2004 Fabrice Bellard
  configuration:  --prefix=/usr --enable-gpl --enable-mp3lame --enable-libogg --enable-vorbis --enable-faac --enable-faad --enable-faadbin --enable-xvid --enable-x264 --enable-a52 --enable-a52bin --enable-dts --enable-shared --disable-static --enable-pp --enable-pthreads --disable-opts 
  libavutil version: 49.0.0
  libavcodec version: 51.12.0
  libavformat version: 50.5.0
  built on Sep  4 2006 22:41:11, gcc: 4.1.1
Input #0, avi, from 'videodump.avi':
  Duration: 00:04:21.7, start: 0.000000, bitrate: 168 kb/s
  Stream #0.0: Video: mpeg4, yuv420p, 176x144, 12.00 fps(r)
Input #1, wav, from 'audiodump.wav':
  Duration: 00:04:21.8, start: 0.000000, bitrate: 256 kb/s
  Stream #1.0: Audio: pcm_s16le, 8000 Hz, stereo, 256 kb/s
Output #0, 3gp, to '/home/cesare/Desktop/shout.3gp':
  Stream #0.0: Video: h263, yuv420p, 176x144, q=2-31, 48 kb/s, 12.00 fps(c)
  Stream #0.1: Audio: 0x0000, 8000 Hz, mono, 12 kb/s
Stream mapping:
  Stream #0.0 -> #0.0
  Stream #1.0 -> #0.1
Unsupported codec for output stream #0.1