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-rw-r--r--conf.d/project/lua.d/softmixer-01.lua192
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diff --git a/conf.d/project/lua.d/softmixer-01.lua b/conf.d/project/lua.d/softmixer-01.lua
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+--[[
+ Copyright (C) 2016 "IoT.bzh"
+ Author Fulup Ar Foll <fulup@iot.bzh>
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+
+
+ NOTE: strict mode: every global variables should be prefixed by '_'
+--]]
+
+-- Static variables should be prefixed with _
+_EventHandle={}
+
+-- Call when AlsaCore return HAL active list
+function _AlsaPingCB_ (source, result, context)
+
+ AFB:notice (source, "--InLua-- PingCB: result='%s'", Dump_Table(result))
+
+end
+
+
+-- Display receive arguments and echo them to caller
+function _mixer_config_ (source, args)
+ local error
+
+ local sndcard_0 = {
+ ["uid"]= "YAMAHA-APU70",
+ ["path"]= "/dev/snd/by-id/usb-YAMAHA_Corporation_YAMAHA_AP-U70_USB_Audio_00-00",
+ ["sink"] = {
+ [0]= {["uid"]= "front-right", ["port"]= 0},
+ [1]= {["uid"]= "front-left", ["port"]= 1},
+ }
+ }
+
+ local sndcard_1 = {
+ ["uid"]= "Jabra-Solemate",
+ ["path"]= "/dev/snd/by-id/usb-0b0e_Jabra_SOLEMATE_v1.34.0-00",
+ ["sink"] = {
+ [0]= {["uid"]= "front-right", ["port"]= 0},
+ [1]= {["uid"]= "front-left", ["port"]= 1},
+ }
+ }
+
+ local sndcard_2 = {
+ ["uid"]= "Jabra-410",
+ ["path"]= "/dev/snd/by-id/usb-0b0e_Jabra_SPEAK_410_USB_745C4B15BD11x010900-00",
+ ["sink"] = {
+ [0]= {["uid"]= "back-right", ["port"]= 0},
+ [1]= {["uid"]= "back-left", ["port"]= 1},
+ }
+ }
+
+ local snd-aloop = {
+ ["uid"]= "Alsa-Loop",
+ ["path"]= "/dev/snd/by-path/platform-snd_aloop.0",
+ ["capture"] = 1,
+ ["playback"]= 0,
+ ["subdevs"] = {
+ [0]= {["uid"]="musique" ["subdev"]= 0, ["numid"]= 51},
+ [1]= {["uid"]="guidance" ["subdev"]= 1, ["numid"]= 57},
+ [2]= {["uid"]="emergency" ["subdev"]= 2, ["numid"]= 63},
+ [3]= {["uid"]="telephony" ["subdev"]= 3, ["numid"]= 69},
+ [4]= {["uid"]="xxxx" ["subdev"]= 4, ["numid"]= 75},
+ [5]= {["uid"]="yyyy" ["subdev"]= 5, ["numid"]= 81},
+ [6]= {["uid"]="zzzz" ["subdev"]= 6, ["numid"]= 87},
+ [7]= {["uid"]="yyyy" ["subdev"]= 7, ["numid"]= 93},
+ }
+ }
+
+ local sndcards= {
+ [0] = sndcard_0,
+ [1] = sndcard_2,
+ }
+
+ local zone_front= {
+ ["uid"] = "front-seat",
+ ["type"] = "playback",
+ ["mapping"] = {
+ [0]= {["target"]="front-right",["channel"]=0},
+ [1]= {["target"]="front-left" ,["channel"]=1},
+ }
+ }
+
+ local zone_back= {
+ ["uid"] = "back-seat",
+ ["type"] = "playback",
+ ["mapping"] = {
+ [0]= {["target"]="back-right",["channel"]=0},
+ [1]= {["target"]="back-left" ,["channel"]=1},
+ }
+ }
+
+ local zone_all= {
+ ["uid"] = "all-seat",
+ ["type"] = "playback",
+ ["mapping"] = {
+ [0]= {["target"]="front-right",["channel"]=0},
+ [1]= {["target"]="front-left" ,["channel"]=1},
+ [3]= {["target"]="back-right" ,["channel"]=0},
+ [4]= {["target"]="back-left" ,["channel"]=1},
+ }
+ }
+
+ local zones = {
+ [0] = zone-all,
+ [1] = zone-front,
+ [2] = zone-back,
+ }
+
+ local stream_music= {
+ ["uid"] = "multimedia",
+ ["zone"] = "zone-all",
+ ["volume"]= 70,
+ ["mute"] = false;
+ }
+
+ local stream_navigation= {
+ ["uid"] = "navigation",
+ ["zone"] = "zone-front",
+ ["volume"]= 80,
+ ["mute"] = false;
+ }
+
+ local stream_children= {
+ ["uid"] = "children",
+ ["zone"] = "zone-back",
+ ["volume"]= 50,
+ ["mute"] = false;
+ }
+
+ local streams = {
+ [0] = stream_music,
+ [1] = stream_navigation,
+ [2] = stream_children,
+ }
+
+ local params = {
+ ["rate"]= 48000,
+ --["rate"]= 44100,
+ ["channels"]= 2,
+ }
+
+
+
+ -- Call AlsaSoftRouter
+
+ error= L2C:snd_cards (source, sndcards)
+ if (error ~= 0) then
+ AFB:error (source, "--InLua-- L2C:sndcards fail to attach sndcards=%s", Dump_Table(sndcards))
+ --goto OnErrorExit
+ else
+ AFB:notice (source, "--InLua-- L2C:sndcards done response=%s", Dump_Table(response))
+ end
+
+ error= L2C:snd_zones (source, zones)
+ if (error ~= 0) then
+ AFB:error (source, "--InLua-- L2C:zones fail to attach sndcards=%s", Dump_Table(sndcards))
+ --goto OnErrorExit
+ else
+ AFB:notice (source, "--InLua-- L2C:zones done response=%s", Dump_Table(response))
+ end
+
+
+ error= L2C:snd_stream (source, {["devin"]= devin, ["devout"]= devout, ["params"]= params})
+
+ AFB:notice (source, "--InLua-- _mixer_config_ done")
+
+ do return 0 end -- happy end (hoops: lua syntax) --
+
+::OnErrorExit::
+ AFB:error (source, "--InLua-- snd_attach fail")
+ return 1 end -- unhappy end --
+
+-- Display receive arguments and echo them to caller
+function _init_softmixer_ (source, args)
+
+ -- create event to push change audio roles to potential listeners
+ _EventHandle=AFB:evtmake(source, "control")
+
+ _mixer_config_ (source, args)
+
+end