[MEncoder-users] encoding 3gp, mp4, wmv

[Michel Bardiaux]

dtra wrote:
> Michel Bardiaux wrote:
> 
>> dtra wrote:
>>
>>> hi all
>>>
>>> i'm after an rpm that we can use for video encoding 3gp, mp4 (for 
>>> mobile devices), and wmv (for web)
>>> i tried ffmpeg, but couldn't find an rpm that supported the amr_nb 
>>> plugin, which i need to convert from and to 3gp
>>>
>>> i know ffmpeg will work if i can compile from src, cos i did use that, 
>>
>>
>>
>> And the wmv's produced work for M$ WMP? What command line do you use?
> 
> 
> 
> it would have been ffmpeg -i file.mp4  -b 80 -ar 8000 -ab 12  -vcodec 
> wmv1 -acodec mp3 out.wmv
> 
Wont work for me:

ffmpeg -i utc_1434.mpg -b 80 -ar 8000 -ab 12  -vcodec wmv1 -acodec mp3 
out.wmv
ffmpeg version CVS, build 3211264, Copyright (c) 2000-2004 Fabrice Bellard
   configuration:  --enable-mp3lame --disable-strip --enable-amr_nb 
--enable-a52 --enable-gpl --enable-amr_wb --disable-shared --enable-libgsm
   built on Aug  1 2005 10:51:57, gcc: 2.95.4 20011002 (Debian prerelease)
Input #0, mpeg, from 'utc_1434.mpg':
   Duration: 00:00:57.0, start: 92564.370489, bitrate: 668 kb/s
   Stream #0.0[0x1e0]: Video: mpeg1video, yuv420p, 352x288, 25.00 fps, 
104857 kb/s
   Stream #0.1[0x1c0]: Audio: mp2, 48000 Hz, mono, 32 kb/s
Output #0, asf, to 'out.wmv':
   Stream #0.0: Video: wmv1, yuv420p, 352x288, 25.00 fps, q=2-31, 80 kb/s
   Stream #0.1: Audio: mp3, 8000 Hz, mono, 12 kb/s
Stream mapping:
   Stream #0.0 -> #0.0
   Stream #0.1 -> #0.1
[wmv1 @ 0x83c26d0]removing common factors from framerate
Error while opening codec for output stream #0.1 - maybe incorrect 
parameters such as bit_rate, rate, width or height

Either you actuallu used another command line, or the problem is 
different properties for your source mp4 and my source mpg. Could you 
retry, and post the full output? TIA.

-- 
Michel Bardiaux
R&D Director
MediaXim S.A.  Bd. du Souverain, 191  B-1160 Bruxelles
Tel : +32 2 790.29.41