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author | Stefano Sabatini <stefano.sabatini-lala@poste.it> | 2011-03-26 16:17:18 +0100 |
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committer | Stefano Sabatini <stefano.sabatini-lala@poste.it> | 2011-03-28 22:50:09 +0200 |
commit | cdf7cbd6c887f15527bb89245153c9819b7ea87e (patch) | |
tree | 78c57378db42e695ebf8d3cc5424fd0e4c52273d | |
parent | e93d97156d19fd686b7b9ab574c295e0fc7b7ffb (diff) | |
download | ffmpeg-streaming-cdf7cbd6c887f15527bb89245153c9819b7ea87e.zip ffmpeg-streaming-cdf7cbd6c887f15527bb89245153c9819b7ea87e.tar.gz |
documentation: extend documentation for ffmpeg -aspect option
-rw-r--r-- | doc/ffmpeg.texi | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/doc/ffmpeg.texi b/doc/ffmpeg.texi index 47ed58b..af9d6ba 100644 --- a/doc/ffmpeg.texi +++ b/doc/ffmpeg.texi @@ -232,7 +232,13 @@ The following abbreviations are recognized: @end table @item -aspect @var{aspect} -Set aspect ratio (4:3, 16:9 or 1.3333, 1.7777). +Set the video display aspect ratio specified by @var{aspect}. + +@var{aspect} can be a floating point number string, or a string of the +form @var{num}:@var{den}, where @var{num} and @var{den} are the +numerator and denominator of the aspect ratio. For example "4:3", +"16:9", "1.3333", and "1.7777" are valid argument values. + @item -croptop @var{size} @item -cropbottom @var{size} @item -cropleft @var{size} |