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Support multi-card/device for direct plugins

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- Support multi-card/device for dmix/dsnoop/dshare plugins
  The unique ipc key is calculated based on card/device/sub index

- Clean up and share the code among all d* plugins

- Refer the defaults.pcm.* configuration
  The base ipc_key number, ipc_gid and ipc_perm are referred.
This commit is contained in:
Takashi Iwai 2006-01-16 13:15:32 +00:00
parent a0dcf5f8d1
commit 7eff603576
8 changed files with 284 additions and 313 deletions
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3
src/conf/alsa.conf
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@ -54,6 +54,9 @@ defaults.pcm.card 0
defaults.pcm.device 0
defaults.pcm.subdevice -1
defaults.pcm.nonblock 1
defaults.pcm.ipc_key 5678293
defaults.pcm.ipc_gid audio
defaults.pcm.ipc_perm 0660
defaults.pcm.front.card defaults.pcm.card
defaults.pcm.front.device defaults.pcm.device
defaults.pcm.rear.card defaults.pcm.card