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{
"$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",
"info": "Map alsa-loop subdevices to 4A HAL streams",
"spath": "./package/lib/plugins:./package/var:./lib/plugins:./var",
"libs": ["alsa-softmixer.ctlso", "smixer-test-usb_ch8.lua"],
}
],
"onload": [
{
"uid": "mixer-create-api",
"info": "Create Audio Router",
"action": "plugin://softmixer#MixerCreate",
"args": {
"uid":"Alsa-Mixer",
"max_loop": 1,
"max_sink": 8,
"max_source": 8,
"max_zone": 8,
"max_stream": 8,
"max_ramp": 4,
}
},
{
"uid": "mixer-attach-loop",
"info": "Create Audio Router",
"action": "plugin://softmixer#MixerAttach",
"args": {
"loops" : {
"uid":"Alsa-Loopback",
"path": "/dev/snd/by-path/platform-snd_aloop.0",
"devices" : {"playback":0, "capture":1},
"subdevs" : [
{"subdev": 0, "numid": 51, "uid": "loop-legacy"},
{"subdev": 1, "numid": 57, "uid": "loop-multimedia"},
{"subdev": 2, "numid": 63},
{"subdev": 3, "numid": 69},
{"subdev": 4, "numid": 75},
{"subdev": 5, "numid": 81},
{"subdev": 6, "numid": 87},
{"subdev": 7, "numid": 93}
]
}
}
},
{
"uid": "lua-test-attach",
"info": "For testing purpose attach stream & zone directly from LUA script to simulate HAL",
"action": "lua://softmixer#_mixer_simple_test_"
}
]
}
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