[FFmpeg-user] Encoding from MOV AppleProRes to AVI

[Fab Tafel]

Hi all!

I'm trying since yesterday to encode an AppleProRes video into AVI. I'm not sure if AppleProRes is supported this way.

I'm using a Mac (Mac OSX 10.5.8) and I compiled ffmpeg with MacPorts. -version command returns:

ffmpeg version 0.7.5, Copyright (c) 2000-2011 the FFmpeg developers
  built on Sep 26 2011 19:02:27 with gcc 4.0.1 (Apple Inc. build 5493)
  configuration: --prefix=/opt/local --enable-gpl --enable-postproc --enable-swscale --enable-avfilter --enable-libmp3lame --enable-libvorbis --enable-libtheora --enable-libdirac --enable-libschroedinger --enable-libxvid --enable-libx264 --enable-libvpx --enable-libspeex --mandir=/opt/local/share/man --enable-shared --enable-pthreads --disable-indevs --cc=/usr/bin/gcc-4.0 --arch=i386 --enable-yasm
  libavutil    50. 43. 0 / 50. 43. 0
  libavcodec   52.122. 0 / 52.122. 0
  libavformat  52.110. 0 / 52.110. 0
  libavdevice  52.  5. 0 / 52.  5. 0
  libavfilter   1. 80. 0 /  1. 80. 0
  libswscale    0. 14. 1 /  0. 14. 1
  libpostproc  51.  2. 0 / 51.  2. 0
ffmpeg 0.7.5
libavutil    50. 43. 0 / 50. 43. 0
libavcodec   52.122. 0 / 52.122. 0
libavformat  52.110. 0 / 52.110. 0
libavdevice  52.  5. 0 / 52.  5. 0
libavfilter   1. 80. 0 /  1. 80. 0
libswscale    0. 14. 1 /  0. 14. 1
libpostproc  51.  2. 0 / 51.  2. 0

And my command to encode the stuff looks like this: 
ffmpeg -i video.mov -sameq -f mov -acodec pcm_s16be -y video.avi

and returns:
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'video.mov':
  Metadata:
    major_brand     : qt  
    minor_version   : 537199360
    compatible_brands: qt  
    creation_time   : 2011-03-21 09:38:07
  Duration: 00:10:28.28, start: -15.880000, bitrate: 107517 kb/s
    Stream #0.0(eng): Video: Apple ProRes 422, 1920x1080, 105958 kb/s, PAR 1:1 DAR 16:9, 25 fps, 25 tbr, 25 tbn, 25 tbc
    Metadata:
      creation_time   : 2011-03-21 09:38:07
    Stream #0.1(eng): Audio: pcm_s16le, 48000 Hz, 2 channels, s16, 1536 kb/s
    Metadata:
      creation_time   : 2011-03-21 09:38:07
    Stream #0.2(eng): Data: tmcd / 0x64636D74
    Metadata:
      creation_time   : 2011-03-21 12:25:44
[buffer @ 0x1b29040] Invalid pixel format string '-1'
Error opening filters!


Does someone know what's wrong - if something is wrong - and how to correct it?

a very hudge thankyou!
rekam