Initial version with dynamic APIs

3 files changed, 104 insertions, 110 deletions

diff --git a/conf.d/project/etc/4a-softmixer-config.json b/conf.d/project/etc/4a-softmixer-config.json
deleted file mode 100644
index e67709f..0000000
--- a/conf.d/project/etc/4a-softmixer-config.json
+++ /dev/null
@@ -1,42 +0,0 @@
-{
-    "$schema": "http://iot.bzh/download/public/schema/json/ctl-schema.json",
-    "metadata": {
-        "uid": "Soft Mixer",
-        "version": "1.0",
-        "api": "softmixer",
-        "info": "Soft Mixer emulating hardware mixer"
-    },
-    "resources": [
-        {
-            "uid": "alsa-softmixer",
-            "info": "Map alsa-loop subdevices to 4A HAL streams",
-            "spath":"./plugins/alsa:../conf.d/project/lua.d",
-            "libs": ["alsa-router.ctlso", "softmixer-simple.lua"],
-            "lua": {"prefix":"smix","functions": ["snd_cards", "snd_zones", "snd_loops", "snd_streams"]}
-        }
-    ],
-
-    "onload": [
-        {
-            "uid": "init-soft-mixer",
-            "info": "Initialise Audio Router",
-            "action": "lua://alsa-softmixer#_init_softmixer_"
-        }
-    ],
-
-    "controls": [
-        {
-            "uid": "mixer-config",
-            "action": "lua://alsa-softmixer#_mixer_config_"
-        },
-        {
-            "uid": "snd-cards",
-            "action": "plugin://alsa-softmixer#snd_cards"
-        },
-        {
-            "uid": "snd-zone",
-            "action": "plugin://alsa-softmixer#snd_zones"
-        }
-    ]
-    
-}
diff --git a/conf.d/project/etc/4a-softmixer-test.json b/conf.d/project/etc/4a-softmixer-test.json
new file mode 100644
index 0000000..f363a55
--- /dev/null
+++ b/conf.d/project/etc/4a-softmixer-test.json
@@ -0,0 +1,75 @@
+{
+    "$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
+                    }
+                ]
+            }
+        }
+    ]
+}
diff --git a/conf.d/project/lua.d/softmixer-simple.lua b/conf.d/project/lua.d/softmixer-simple-test.lua
index e78eacd..6d6dffc 100644
--- a/conf.d/project/lua.d/softmixer-simple.lua
+++ b/conf.d/project/lua.d/softmixer-simple-test.lua
@@ -30,24 +30,14 @@ end
 
 
 -- Display receive arguments and echo them to caller
-function _mixer_config_ (source, args)
+function _mixer_simple_test_ (source, args)
     do
     local error
     local response
 
-    -- ==================== Default rate ===========================
-
-    local audio_defaults = {
-        ["rate"]   = 48000,
-    }  
-
-    -- ======================= Loop PCM ===========================
-
-    local snd_aloop = {
-        ["uid"]     = "Alsa-Loop",
-        ["devpath"] = "/dev/snd/by-path/platform-snd_aloop.0",
+    -- ================== Default Alsa snd-aloop numid and subdev config
+    local aloop = {
         ["devices"] = {["playback"]=0,["capture"]=1},
-        ["params"]  = audio_defaults,
         ["subdevs"] = {
             {["subdev"]= 0, ["numid"]= 51},
             {["subdev"]= 1, ["numid"]= 57},
@@ -60,17 +50,23 @@ function _mixer_config_ (source, args)
         }
     }
 
-    error,response= smix:snd_loops (source, snd_aloop)
-    if (error ~= 0) then 
-        AFB:error (source, "--InLua-- smix:snd_loops fail to attach sndcards=%s", Dump_Table(aloop))
-        goto OnErrorExit
-    else
-        AFB:notice (source, "--InLua-- smix:snd_loops done response=%s\n", Dump_Table(response))
-    end
-    
+    -- ==================== Default rate ===========================
+
+    local audio_defaults = {
+        ["rate"]   = 48000,
+    }  
+
+    -- ======================= Loop PCM ===========================
+    local snd_aloop = {
+        ["uid"]     = "Alsa-Loop",
+        ["devpath"] = "/dev/snd/by-path/platform-snd_aloop.0",       
+        ["params"]  = audio_defaults,
+        ["devices"] = aloop.devices,
+        ["subdevs"] = aloop.subdevs,
+    }
 
-    -- ============================= Sound Cards ===================  
 
+    -- ============================= Sound Cards ===================  
     local snd_yamaha = {
         ["uid"]= "YAMAHA-APU70",
         ["devpath"]= "/dev/snd/by-id/usb-YAMAHA_Corporation_YAMAHA_AP-U70_USB_Audio_00-00",
@@ -91,21 +87,8 @@ function _mixer_config_ (source, args)
         }
     }
 
-     -- group sound card as one multi channels card
-    local sndcards= {
-        snd_yamaha,
-    }
-
-    error,response= smix:snd_cards (source, sndcards)
-    if (error ~= 0) then 
-        AFB:error (source, "--InLua-- smix:snd_cards fail to attach sndcards=%s", Dump_Table(sndcards))
-        goto OnErrorExit
-    else
-        AFB:notice (source, "--InLua-- smix:snd_cards done response=%s\n", Dump_Table(response))
-    end
  
     -- ============================= Zones ===================    
-
     local zone_front= {
         ["uid"]  = "front-seats",
         ["type"] = "playback",
@@ -115,20 +98,7 @@ function _mixer_config_ (source, args)
         }
     }
 
-    local multi_zones = {
-        zone_front,
-    }
-
-    error,response= smix:snd_zones (source, multi_zones)
-    if (error ~= 0) then 
-        AFB:error (source, "--InLua-- smix:snd_zones fail to attach sndcards=%s", Dump_Table(multi_zones))
-        goto OnErrorExit
-    else
-        AFB:notice (source, "--InLua-- smix:snd_zones done response=%s\n", Dump_Table(response))
-    end
-
     -- =================== Audio Stream ============================
-
     local stream_music= {
         ["uid"]   = "multimedia",
         ["zone"]  = "front-seats",
@@ -143,20 +113,24 @@ function _mixer_config_ (source, args)
         ["mute"]  = false,
     }
         
-    local snd_streams = {
-        stream_music,
-        stream_navigation,
+    --- ================ Create Mixer =========================
+    local MyMixer= {
+        ["uid"]="Simple_Mixer",
+        ["backend"] = {snd_yamaha},
+        ["frontend"]= {snd_aloop},
+        ["zones"]   = {zone_front},
+        ["streams"] = {stream_music,stream_navigation},
     }
 
-    error,response= smix:snd_streams (source, snd_streams)
+    local error,response= smix:_mixer_new_ (source, MyMixer)
     if (error ~= 0) then 
-        AFB:error (source, "--InLua-- smix:snd_streams fail to attach sndcards=%s", Dump_Table(aloop))
+        AFB:error (source, "--InLua-- smix:_mixer_new_ fail config=%s", Dump_Table(aloop))
         goto OnErrorExit
     else
-        AFB:notice (source, "--InLua-- smix:streams_loops done response=%s\n", Dump_Table(response))
+        AFB:notice (source, "--InLua-- smix:_mixer_new_ done response=%s\n", Dump_Table(response))
     end
 
-
+  
     -- ================== Happy End =============================
     AFB:notice (source, "--InLua-- _mixer_config_ done")
     return 0 end 
@@ -166,16 +140,3 @@ function _mixer_config_ (source, args)
         AFB:error (source, "--InLua-- snd_attach fail")
         return 1 -- unhappy end --
 end 
-
--- Display receive arguments and echo them to caller
-function _init_softmixer_ (source, args)
-    
-    printf ("*********** in print ")
-    -- create event to push change audio roles to potential listeners
-    _EventHandle=AFB:evtmake(source, "control")
-
-    _mixer_config_ (source, args)
-
-end
-
-printf ("*********** load done ")