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update -channels to match observed behavior, patch by Corey Hickey < bugfood-ml AH fatooh POUM org > 

From Thread:
Date: Sep 2, 2005 5:25 AM
Subject: Re: [MPlayer-DOCS] [PATCH] update -channels to match observed behavior


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@16353 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
gpoirier 2005-09-02 13:11:17 +00:00
parent a06ecb5edf
commit 2a8d0f0ee6
1 changed files with 4 additions and 11 deletions
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15
DOCS/man/en/mplayer.1
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@ -875,23 +875,16 @@ May be negative.
Specify the CD-ROM device (default: /dev/\:cdrom).
.
.TP
.B \-channels <number>
Change the number of playback channels (default: 2).
If the number of output channels is bigger than the number of input channels
empty channels are inserted with the help of the channels audio filter (unless
mixing from mono to stereo, then the mono channel is repeated in both
output channels).
The routing will be the default routing for the channels filter.
If the number of output channels is smaller than the number of input channels,
results depend on the audio decoder (\-afm).
.B \-channels <number> (also see \-af channels)
Request the number of playback channels (default: 2).
MPlayer asks the decoder to decode the audio into as many channels as
specified.
Now it's up to the decoder to fulfill the requirement.
If the decoder outputs more channels than requested, the exceeding channels
are truncated.
This is usually only important when playing videos with AC3 audio (like DVDs).
In that case liba52 does the decoding by default and correctly downmixes the
audio into the requested number of channels.
To directly control the number of output channels independently of how many
channels are decoded, use the channels filter.
.br
.I NOTE:
This option is honored by codecs (AC3 only), filters (surround) and audio