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Extend and clarify documentation for -ac ffmpeg option. 

Fix roundup issue #2061.

Originally committed as revision 24772 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Stefano Sabatini 2010-08-11 14:49:41 +00:00
parent 983ec30497
commit e1f4dd6d41
1 changed files with 4 additions and 1 deletions
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doc/ffmpeg-doc.texi
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@ -510,7 +510,10 @@ Set the audio bitrate in bit/s (default = 64k).
@item -aq @var{q} @item -aq @var{q}
Set the audio quality (codec-specific, VBR). Set the audio quality (codec-specific, VBR).
@item -ac @var{channels} @item -ac @var{channels}
Set the number of audio channels (default = 1). Set the number of audio channels. For input streams it is set by
default to 1, for output streams it is set by default to the same
number of audio channels in input. If the input file has audio streams
with different channel count, the behaviour is undefined.
@item -an @item -an
Disable audio recording. Disable audio recording.
@item -acodec @var{codec} @item -acodec @var{codec}