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authorMark Farrugia <mark.farrugia@fiberdyne.com.au>2019-02-12 12:11:26 +1100
committerMark Farrugia <mark.farrugia@fiberdyne.com.au>2019-02-12 12:12:38 +1100
commitd5ac69750d6d16c88ee009e0106bfd6eeffaa695 (patch)
tree56026a1dc912f49d76ebc24fa3c27b2c9a7e82dd /conf.d/project/etc
parentd5cc09d1ef5c58bb8d34e3a47c391a10d8b48181 (diff)
Add support for AVIRT
Leverage the new AVIRT driver for a more secure, more dynamically configurable loopback sound driver. To use, replace the file smixer-4a-default.json with smixer-4a-avirt.json, at /usr/libexec/agl/smixer/etc. The snd-avirt drivers are installed in AGL by default as of 6.99.2. The existing snd-aloop configuration is not broken by this change. Change-Id: I827636656c109a7393ad77997e05069a2462ea46 Signed-off-by: Mark Farrugia <mark.farrugia@fiberdyne.com.au>
Diffstat (limited to 'conf.d/project/etc')
-rw-r--r--conf.d/project/etc/smixer-4a-avirt.json44
1 files changed, 44 insertions, 0 deletions
diff --git a/conf.d/project/etc/smixer-4a-avirt.json b/conf.d/project/etc/smixer-4a-avirt.json
new file mode 100644
index 0000000..18d6193
--- /dev/null
+++ b/conf.d/project/etc/smixer-4a-avirt.json
@@ -0,0 +1,44 @@
+{
+ "$schema": "http://iot.bzh/download/public/schema/json/ctl-schema.json",
+ "metadata": {
+ "uid": "Soft Mixer",
+ "version": "1.0",
+ "api": "smixer",
+ "info": "Soft Mixer emulating hardware mixer"
+ },
+ "resources": [
+ {
+ "uid": "softmixer-avirt",
+ "info": "Map avirt-loop to 4A HAL streams",
+ "spath": "./package/lib/plugins:./package/var:./lib/plugins:./var:/usr/libexec/agl/smixer",
+ "libs": ["alsa-softmixer.ctlso"]
+ }
+ ],
+ "onload": [
+ {
+ "uid": "mixer-create-api",
+ "info": "Create Audio Router",
+ "action": "plugin://softmixer-avirt#MixerCreate",
+ "args": {
+ "uid":"Alsa-Mixer",
+ "max_loop": 1,
+ "max_sink": 16,
+ "max_source": 16,
+ "max_zone": 16,
+ "max_stream": 16,
+ "max_ramp": 6
+ }
+ },
+ {
+ "uid": "mixer-attach-loop",
+ "info": "Create Audio Router",
+ "action": "plugin://softmixer-avirt#MixerAttach",
+ "args": {
+ "loops" : {
+ "uid":"AVIRT-Loopback",
+ "path": "/dev/snd/by-path/platform-snd_avirt.0"
+ }
+ }
+ }
+ ]
+}