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Diffstat (limited to 'conf.d/project/alsa.d/asoundrc.sample')
| -rw-r--r-- | conf.d/project/alsa.d/asoundrc.sample | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/conf.d/project/alsa.d/asoundrc.sample b/conf.d/project/alsa.d/asoundrc.sample new file mode 100644 index 0000000..b208a09 --- /dev/null +++ b/conf.d/project/alsa.d/asoundrc.sample @@ -0,0 +1,146 @@ +# +# Author: Fulup Ar Foll +# Object: PCM hook type +# +# Test : Note: Jabra_USB=hw:v1340 +# Check SoundCard speaker-test -Dhw:v1340 -c2 -twav +# Check MixerPCM speaker-test -DMyMixerPCM -c2 -twav +# Check HookPCM speaker-test -DMyNavigationHook -c2 -twav +# Check NavPCM speaker-test -DMyNavPCM -c2 -twav +# MultiMedia aplay -DDMyNavPCM /usr/share/sounds/alsa/test.wav +# +# Bug/Feature: when softvol control is initialised from plugin and not +# from AGL binding. At 1st run ctl has invalid TLV and cannot be +# use. Bypass Solution: +# * start audio-binder before playing sound (binding create control before softvol plugin) +# * run a dummy aplay -DMyNavPCM "" to get a clean control +# +# References: https://www.spinics.net/lists/alsa-devel/msg54235.html +# -------------------------------------------------------------------- + +# Mixer PCM allow to play multiple stream simultaneously +# ------------------------------------------------------ +pcm.MyMixerPCM { + type dmix + ipc_key 1024 + ipc_key_add_uid false + ipc_perm 0666 # mixing for all users + + # Define target effective sound card (cannot be a plugin) + slave { + pcm "hw:v1340" #Jabra Solmate + period_time 0 + period_size 1024 + buffer_size 8192 + rate 44100 + } + + # DMIX can only map two channels + bindings { + 0 0 + 1 1 + } +} + +# Define a Hook_type with a private sharelib +# ------------------------------------------- +pcm_hook_type.MyHookPlugin { + install "AlsaInstallHook" + lib "/home/fulup/Workspace/AGL-AppFW/audio-bindings-dev/build/Alsa-Plugin/Alsa-Policy-Hook/policy_hook_cb.so" +} + + +# Define a HookedPCM that point to Hook_type sharelib +# ---------------------------------------------------- +pcm.MyNavigationHook { + type hooks + slave.pcm "MyMixerPCM" + # Defined used hook sharelib and provide arguments/config to install func + hooks.0 { + type "MyHookPlugin" + hook_args { + verbose true # print few log messages (default false); + + # Every Call should return OK in order PCM to open (default timeout 100ms) + uri "ws://localhost:1234/api?token='audio-agent-token'" + request { + # Request autorisation to write on navigation + RequestNavigation { + api "control" + verb "dispatch" + query "{'target':'navigation', 'args':{'device':'Jabra SOLEMATE v1.34.0'}}" + } + } + # map event reception to self generated signal + event { + pause 30 + resume 31 + stop 3 + } + } + } +} + +# If hardware does not support mixer emulate it with softvol +# ----------------------------------------------------------- +pcm.MyMultimediaPCM { + type softvol + + # Point Slave on HOOK for policies control + slave.pcm "MyNavigationHook" + + # resolution=HAL(valMax+1) (default=256) + resolution 256 + + # name should match with HAL but do not set card=xx + control.name "Playback Navigation" + + # Make this plugin visible from aplay -L + hint { + show on + description "Navigation SolftVol PCM" + } +} + +# If hardware does not support mixer emulate it with softvol +# ----------------------------------------------------------- +pcm.MyNavPCM { + type softvol + + # Point Slave on HOOK for policies control + slave.pcm "MyNavigationHook" + + # resolution=HAL(valMax+1) (default=256) + resolution 256 + + # name should match with HAL but do not set card=xx + control.name "Playback Navigation" + + # Make this plugin visible from aplay -L + hint { + show on + description "Navigation SolftVol PCM" + } +} + +# If hardware does not support mixer emulate it with softvol +# ----------------------------------------------------------- +pcm.MyAlarmPCM { + type softvol + + # Point Slave on HOOK for policies control + slave.pcm "MyNavigationHook" + + # resolution=HAL(valMax+1) (default=256) + resolution 256 + + # name should match with HAL but do not set card=xx + control.name "Playback Navigation" + + # Make this plugin visible from aplay -L + hint { + show on + description "Navigation SolftVol PCM" + } +} + |