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https://github.com/alsa-project/alsa-lib.git
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6a6a70ffe7
Call hwsync of slave PCM on snd_pcm_hwsync() over dmix. This reduces ocasional output noises, typically seen in xmms and bmp with multi-threading on SMP/HT systems. Disabled slowptr of default dmix definition again.
85 lines
1 KiB
Text
85 lines
1 KiB
Text
#
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# dmix output
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#
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pcm.!dmix {
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@args [ CARD DEV SUBDEV FORMAT RATE ]
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@args.CARD {
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type string
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default 0
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}
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@args.DEV {
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type string
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default 0
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}
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@args.SUBDEV {
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type string
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default -1
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}
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@args.FORMAT {
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type string
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default S16_LE
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}
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@args.RATE {
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type integer
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default 48000
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}
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type dmix
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ipc_key 5678293
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ipc_key_add_uid yes
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slave {
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pcm {
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type hw
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card $CARD
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device $DEV
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subdevice $SUBDEV
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}
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format $FORMAT
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rate $RATE
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period_size {
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@func refer
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name {
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@func concat
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strings [
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"cards."
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{
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@func card_driver
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card $CARD
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}
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".pcm.dmix.period_size"
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]
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}
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default 1024
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}
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period_time {
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@func refer
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name {
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@func concat
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strings [
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"cards."
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{
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@func card_driver
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card $CARD
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}
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".pcm.dmix.period_time"
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]
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}
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default -1
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}
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periods {
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@func refer
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name {
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@func concat
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strings [
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"cards."
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{
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@func card_driver
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card $CARD
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}
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".pcm.dmix.periods"
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]
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}
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default 16
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}
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}
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}
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