From 09eb8007718961f6a53b11d50c261d83bc131b86 Mon Sep 17 00:00:00 2001 From: Clemens Ladisch Date: Tue, 13 Feb 2007 09:01:31 +0100 Subject: [PATCH] enable dmix-ing and proper 5.1 routing for USB audio devices add a configuration file for USB audio devices --- src/conf/cards/USB-Audio.conf | 334 ++++++++++++++++++++++++++++++++++ 1 file changed, 334 insertions(+) create mode 100644 src/conf/cards/USB-Audio.conf diff --git a/src/conf/cards/USB-Audio.conf b/src/conf/cards/USB-Audio.conf new file mode 100644 index 00000000..470f2b40 --- /dev/null +++ b/src/conf/cards/USB-Audio.conf @@ -0,0 +1,334 @@ +# +# USB-Audio.conf - configuration for USB Audio devices +# +# +# DO NO EDIT; this is an internal ALSA file. +# If you want to add your own definitions, put them into /etc/asound.conf or +# ~/.asoundrc, with "cards." before the "USB-Audio", e.g.: +# +# cards.USB-Audio.pcm.use_dmix."NoiseBlaster 3000" no +# +# If your device requires such a definition to work correctly, please report it +# to . + + +# If a device has sample formats not supported by dmix, dmix can be disabled +# here. +USB-Audio.pcm.use_dmix { + "AudioPhile" no # uses big-endian 24-bit samples +} + +# If a device does not have a four-channel mode for the front/rear outputs, +# other modes can be selected here. +# six_channels - for devices that route the last two of the four channels +# to the center/LFE outputs +# two_stereo_devices - for devices that have two stereo audio interfaces +USB-Audio.pcm.surround40_type { + "AudioPhile" two_stereo_devices + "OmniStudio" two_stereo_devices + "Quattro" two_stereo_devices + "SB Audigy 2 NX" six_channels +} + +# If a device does not use the first PCM device for digital data, the device +# number for the iec958 device can be changed here. +USB-Audio.pcm.iec958_device { + # "NoiseBlaster 3000" 42 +} + + +# If a device requires non-standard definitions for front, surround40, +# surround51, surround71 or iec958, they can be defined here. + +# USB-Audio."NoiseBlaster 3000".pcm.surround51 { +# @args [ CARD ] +# @args.CARD { type string } +# ... +# } + + +################################################################################ + + + +USB-Audio.pcm.front.0 { + @args [ CARD ] + @args.CARD { type string } + @func refer + name { + @func concat + strings [ + "cards.USB-Audio." + { @func card_name card $CARD } + ".pcm.front:CARD=" $CARD + ] + } + default { + # We could use softvol, but the driver might have guessed a + # wrong name for the real volume control. + type hw + card $CARD + device 0 + } +} + +USB-Audio.pcm.default { + @args [ CARD ] + @args.CARD { type string } + type asym + playback.pcm { + type plug + slave.pcm { + @func refer + name { + @func concat + strings [ + "cards.USB-Audio.pcm.default_playback_dmix_" + { + @func refer + name { + @func concat + strings [ + "cards.USB-Audio.pcm.use_dmix." + { @func card_name card $CARD } + ] + } + default yes + } + ":CARD=" $CARD + ] + } + } + } + capture.pcm { + type plug + slave.pcm { + @func concat + strings [ "dsnoop:" $CARD ] + } + } +} + +USB-Audio.pcm.default_playback_dmix_yes { + @args [ CARD ] + @args.CARD { type string } + @func concat + strings [ "dmix:" $CARD ] +} + +USB-Audio.pcm.default_playback_dmix_no { + @args [ CARD ] + @args.CARD { type string } + type hw + card $CARD + device 0 +} + + + +USB-Audio.pcm.surround40.0 { + @args [ CARD ] + @args.CARD { type string } + @func refer + name { + @func concat + strings [ + "cards.USB-Audio." + { @func card_name card $CARD } + ".pcm.surround40:CARD=" $CARD + ] + } + default { + @func refer + name { + @func concat + strings [ + "cards.USB-Audio.pcm.surround40_" + { + @func refer + name { + @func concat + strings [ + "cards.USB-Audio.pcm.surround40_type." + { @func card_name card $CARD } + ] + } + default default + } + ":CARD=" $CARD + ] + } + } +} + +USB-Audio.pcm.surround40_default { + @args [ CARD ] + @args.CARD { type string } + type hw + card $CARD + device 0 +} + +USB-Audio.pcm.surround40_six_channels { + @args [ CARD ] + @args.CARD { type string } + type route + ttable.0.0 1 + ttable.1.1 1 + ttable.2.4 1 + ttable.3.5 1 + slave { + pcm { + type hw + card $CARD + device 0 + } + channels 6 + } +} + +USB-Audio.pcm.surround40_two_stereo_devices { + @args [ CARD ] + @args.CARD { type string } + type route + ttable.0.0 1 + ttable.1.1 1 + ttable.2.2 1 + ttable.3.3 1 + slave.pcm { + type multi + slaves { + a { + pcm { + type hw + card $CARD + device 0 + } + channels 2 + } + b { + pcm { + type hw + card $CARD + device 1 + } + channels 2 + } + } + bindings [ + { slave a channel 0 } + { slave a channel 1 } + { slave b channel 0 } + { slave b channel 1 } + ] + } +} + + + + + +USB-Audio.pcm.surround51.0 { + @args [ CARD ] + @args.CARD { type string } + @func refer + name { + @func concat + strings [ + "cards.USB-Audio." + { @func card_name card $CARD } + ".pcm.surround51:CARD=" $CARD + ] + } + default { + type route + ttable.0.0 1 + ttable.1.1 1 + ttable.2.4 1 + ttable.3.5 1 + ttable.4.2 1 + ttable.5.3 1 + slave { + pcm { + type hw + card $CARD + device 0 + } + channels 6 + } + } +} + + + +USB-Audio.pcm.surround71.0 { + @args [ CARD ] + @args.CARD { type string } + @func refer + name { + @func concat + strings [ + "cards.USB-Audio." + { @func card_name card $CARD } + ".pcm.surround71:CARD=" $CARD + ] + } + default { + type route + ttable.0.0 1 + ttable.1.1 1 + ttable.2.4 1 + ttable.3.5 1 + ttable.4.2 1 + ttable.5.3 1 + ttable.6.6 1 + ttable.7.7 1 + slave { + pcm { + type hw + card $CARD + device 0 + } + channels 8 + } + } +} + + + +USB-Audio.pcm.iec958.0 { + @args [ CARD AES0 AES1 AES2 AES3 ] + @args.CARD { type string } + @args.AES0 { type integer } + @args.AES1 { type integer } + @args.AES2 { type integer } + @args.AES3 { type integer } + @func refer + name { + @func concat + strings [ + "cards.USB-Audio." + { @func card_name card $CARD } + ".pcm.iec958:CARD=" $CARD + ",AES0=" $AES0 ",AES1=" $AES1 ",AES2=" $AES2 ",AES3=" $AES3 + ] + } + default { + # FIXME: we cannot set the AES parameters + type hw + card $CARD + device { + @func refer + name { + @func concat + strings [ + "cards.USB-Audio.pcm.iec958_device." + { @func card_name card $CARD } + ] + } + default 0 + } + } +} + +# vim: ft=alsaconf -- 2.47.1