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pcm: dmix: fix sw_params handling of timestamp types in direct plugins

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In pcms using direct plugins (dmix/dsnoop/dshare), the timestamp type could
be different from the terminating hw plugin, then the kernel driver.

Be sure such pcms have plugins using consistently the same timestamp type.

signed-off-by: Sylvain Bertrand <sylvain.bertrand@legeek.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
sylvain.bertrand@gmail.com 2020-04-15 00:44:39 +00:00 • committed by Takashi Iwai
parent fb48ad9e4f
commit d12df1dc9c
9 changed files with 60 additions and 1 deletions
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1
src/conf/alsa.conf
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@ -69,6 +69,7 @@ defaults.pcm.minperiodtime 5000 # in us
defaults.pcm.ipc_key 5678293
defaults.pcm.ipc_gid audio
defaults.pcm.ipc_perm 0660
defaults.pcm.tstamp_type "default"
defaults.pcm.dmix.max_periods 0
defaults.pcm.dmix.channels 2
defaults.pcm.dmix.rate 48000

4
src/conf/pcm/dmix.conf
View file

@ -56,6 +56,10 @@ pcm.!dmix {
@func refer
name defaults.pcm.ipc_perm
}
tstamp_type {
@func refer
name defaults.pcm.tstamp_type
}
slave {
pcm {
type hw

4
src/conf/pcm/dsnoop.conf
View file

@ -49,6 +49,10 @@ pcm.!dsnoop {
@func refer
name defaults.pcm.ipc_perm
}
tstamp_type {
@func refer
name defaults.pcm.tstamp_type
}
slave {
pcm {
type hw