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authorFulup Ar Foll <fulup@iot.bzh>2017-08-20 17:16:28 +0200
committerFulup Ar Foll <fulup@iot.bzh>2017-08-20 17:16:28 +0200
commitd51d083be8e34000cd00ce979445eacb45a16e97 (patch)
treef049458d72b7c6ebe7bea10770f48db1adfc0646 /conf.d/project/lua.d/onload-audio-controls.lua
parentc58b7ea33694ab8c76f8cb452d3b8928eb3279ad (diff)
Updated to latest App Template
Diffstat (limited to 'conf.d/project/lua.d/onload-audio-controls.lua')
-rw-r--r--conf.d/project/lua.d/onload-audio-controls.lua162
1 files changed, 0 insertions, 162 deletions
diff --git a/conf.d/project/lua.d/onload-audio-controls.lua b/conf.d/project/lua.d/onload-audio-controls.lua
deleted file mode 100644
index 24c4f71..0000000
--- a/conf.d/project/lua.d/onload-audio-controls.lua
+++ /dev/null
@@ -1,162 +0,0 @@
---[[
- 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.
-
-
- Provide sample policy function for AGL Advance Audio Agent
---]]
-
--- Global HAL registry
-_Audio_Hal_Registry={}
-
--- Callback when receiving HAL registry
-function _Alsa_Get_Hal_CB (error, result, context)
- -- Initialise an empty table
- local registry={}
-
- -- Only process when response is valid
- if (error) then
- AFB_ErrOr ("[Audio_Init_CB] ErrOr result=%s", result)
- return
- end
-
- -- Extract response from result
- local response=result["response"]
-
- -- Index HAL Bindings APIs by shortname
- for key,value in pairs(response) do
- registry[value["shortname"]]=value["api"]
- end
-
- -- store Exiting HAL for further use
- printf ("-- [Audio_Init_CB] -- Audio_register_Hal=%s", Dump_Table(registry))
- _Audio_Hal_Registry=registry
-
-end
-
--- Function call at binding load time
-function _Alsa_Get_Hal(args)
-
- printf ("[-- Audio_Get_Hal --] args=%s", Dump_Table(argsT))
-
- -- Query AlsaCore for Active HALs (no query, no context)
- AFB:service ('alsacore', 'hallist', {}, "_Alsa_Get_Hal_CB", {})
-
-end
-
--- In sample configuration Query/Args parsing is common to all audio control
-local function Audio_Parse_Request (source, args, query)
-
- local apihal={}
-
- -- In this test we expect targeted device to be given from query (could come for args as well)
- if (query == nil ) then
- AFB:error ("--LUA:Audio_Set_Navigation query should contain and args with targeted apihal|device")
- return -- refuse control
- end
-
- -- Alsa Hook plugin asound sample config provides target sound card by name
- if (query["device"] ~= nil) then
- apihal=_Audio_Hal_Registry[query["device"]]
- end
-
- -- HTML5 test page provides directly HAL api.
- if (query["apihal"] ~= nil) then
- apihal= query["apihal"]
- end
-
- -- if requested HAL is not found then deny the control
- if (apihal == nil) then
- AFB:error ("--LUA:Audio_Set_Navigation No Active HAL Found")
- return -- refuse control
- end
-
- -- return api or nil when not found
- return apihal
-end
-
--- Set Navigation lower sound when play
-function _Audio_Set_Navigation(source, args, query)
-
- -- in strict mode every variables should be declared
- local err=0
- local ctlhal={}
- local response={}
- local apihal={}
-
- AFB:notice ("LUA:Audio_Set_Use_Case source=%d args=%s query=%s", source, args, query);
-
- -- Parse Query/Args and if HAL not found then refuse access
- apihal= Audio_Parse_Request (source, args, query)
- if (apihal == nil) then return 1 end
-
-
- -- if source < 0 then Alsa HookPlugin is closing PCM
- if (source < 0) then
- -- Ramp Up Multimedia channel synchronously
- ctlhal={['label']='Master_Playback_Volume', ['val']=100}
- err, response= AFB:servsync (apihal, 'ctlset',ctlhal)
- else
- -- Ramp Down Multimedia channel synchronously
- ctlhal={['label']='Master_Playback_Volume', ['val']=50}
- err, response= AFB:servsync (apihal, 'ctlset',ctlhal)
- end
-
- if (err) then
- AFB:error("--LUA:Audio_Set_Navigation halapi=%s refuse ctl=%s", apihal, ctlhal)
- return 1 -- control refused
- end
-
-
- return 0 -- control accepted
-end
-
-
--- Select Multimedia mode
-function _Audio_Set_Multimedia (source, args, query)
-
- -- in strict mode every variables should be declared
- local err=0
- local ctlhal={}
- local response={}
- local apihal={}
-
- AFB:notice ("LUA:Audio_Set_Use_Case source=%d args=%s query=%s", source, args, query);
-
- -- Parse Query/Args and if HAL not found then refuse access
- apihal= Audio_Parse_Request (source, args, query)
- if (apihal == nil) then return 1 end
-
-
- -- if Mumtimedia control only increase volume on open
- if (source >= 0) then
- -- Ramp Down Multimedia channel synchronously
- ctlhal={['label']='Master_Playback_Volume', ['val']=100}
- err, response= AFB:servsync (apihal, 'ctlset',ctlhal)
- end
-
- if (err) then
- AFB:error("--LUA:Audio_Set_Navigation halapi=%s refuse ctl=%s", apihal, ctlhal)
- return 1 -- control refused
- end
-
-
- return 0 -- control accepted
-end
-
--- Select Emergency Mode
-function _Audio_Set_Emergency(source, args, query)
- return 1 -- Always refuse in this test
-end