From 9d1f5e8e9f16737b732918a8924c23ee70886db5 Mon Sep 17 00:00:00 2001 From: wm4 Date: Thu, 9 May 2013 13:57:44 +0200 Subject: manpage: update --channels --- DOCS/man/en/options.rst | 21 ++++++++++----------- 1 file changed, 10 insertions(+), 11 deletions(-) diff --git a/DOCS/man/en/options.rst b/DOCS/man/en/options.rst index 03f09b2efc..f528c3f849 100644 --- a/DOCS/man/en/options.rst +++ b/DOCS/man/en/options.rst @@ -357,25 +357,24 @@ --cdrom-device= Specify the CD-ROM device (default: ``/dev/cdrom``). ---channels= +--channels= Request the number of playback channels (default: 2). mpv asks the decoder to decode the audio into as many channels as specified. Then it is up to the decoder to fulfill the requirement. This is usually only - important when playing videos with AC-3 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 (``--af=channels``). + important when playing videos with AC-3, AAC or DTS audio. In that case + libavcodec downmixes the audio into the requested number of channels if + possible. *NOTE*: This option is honored by codecs (AC-3 only), filters (surround) and audio output drivers (OSS at least). - Available options are: + The ``--channels`` option either takes a channel number or an explicit + channel layout. Channel numbers refer to default layouts, e.g. 2 channels + refer to stereo, 6 refers to 5.1. - :2: stereo - :4: surround - :6: full 5.1 - :8: full 7.1 + See ``--channels=help`` output for defined default layouts. This also + lists speaker names, which can be used to express arbitrary channel + layouts (e.g. ``fl-fr-lfe`` is 2.1). --chapter= Specify which chapter to start playing at. Optionally specify which -- cgit v1.2.3