conf.d/project/etc/4a-softmixer-test.json


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{
    "$schema": "http://iot.bzh/download/public/schema/json/ctl-schema.json",
    "metadata": {
        "uid": "Soft Mixer",
        "version": "1.0",
        "api": "softmixer",
        "info": "Soft Mixer emulating hardware mixer"
    },
    "resources": [
        {
            "uid": "softmixer",
            "info": "Map alsa-loop subdevices to 4A HAL streams",
            "spath": "./plugins/alsa:../conf.d/project/lua.d",
            "libs": ["alsa-softmixer.ctlso", "softmixer-simple-test.lua"],
            "lua": {
                "prefix": "smix",
                "functions": ["_mixer_new_"]
            }
        }
    ],

    "onload": [
        {
            "uid": "init-soft-mixer",
            "info": "Initialise Audio Router",
            "action": "lua://softmixer#_mixer_simple_test_"
        }
    ],
    "controls": [
        {
            "uid": "new",
            "action": "plugin://softmixer#_mixer_new_",
            "args": {
                "devices": {
                    "playback": 0,
                    "capture": 1
                },
                "subdevs": [
                    {
                        "subdev": 0,
                        "numid": 51
                    },
                    {
                        "subdev": 1,
                        "numid": 57
                    },
                    {
                        "subdev": 2,
                        "numid": 63
                    },
                    {
                        "subdev": 3,
                        "numid": 69
                    },
                    {
                        "subdev": 4,
                        "numid": 75
                    },
                    {
                        "subdev": 5,
                        "numid": 81
                    },
                    {
                        "subdev": 6,
                        "numid": 87
                    },
                    {
                        "subdev": 7,
                        "numid": 93
                    }
                ]
            }
        }
    ]
}