ipod & psp encoding guide

Originally committed as revision 5407 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2006-05-19 08:09:21 +00:00
parent 7cf0e16f96
commit b4aead58cb

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@ -131,6 +131,32 @@ a different fourcc, use the '-vtag' option. E.g., '-vtag xvid' will
force the fourcc 'xvid' to be stored as the video fourcc rather than the
default.
@section How do I encode Videos which play on the ipod?
@table @option
@item stuff needed
-acodec aac -vcodec mpeg4 width<=320 height<=240
@item stuff working
4mv, title
@item stuff not working
b frames
@item example command line
ffmpeg -i input -acodec aac -ab 128 -vcodec mpeg4 -b 1200 -mbd 2 -flags +4mv+trell -aic 2 -cmp 2 -subcmp 2 -s 320x180 -title X output.mp4
@end table
@section How do I encode Videos which play on the psp?
@table @option
@item stuff needed
-acodec aac -vcodec mpeg4 width*height<=76800 width%16=0 height%16=0 -ar 24000 -r 30000/1001 or 15000/1001 -f psp
@item stuff working
4mv, title
@item stuff not working
b frames
@item example command line
ffmpeg -i input -acodec aac -ab 128 -vcodec mpeg4 -b 1200 -ar 24000 -mbd 2 -flags +4mv+trell -aic 2 -cmp 2 -subcmp 2 -s 368x192 -r 30000/1001 -title X -f psp output.mp4
@end table
@chapter Development
@section When will the next FFmpeg version be released? / Why are FFmpeg releases so few and far between?