diff options
Diffstat (limited to 'conf.d/project/lua.d')
| -rw-r--r-- | conf.d/project/lua.d/README.md | 60 | ||||
| -rw-r--r-- | conf.d/project/lua.d/softmixer-01.lua | 181 |
2 files changed, 223 insertions, 18 deletions
diff --git a/conf.d/project/lua.d/README.md b/conf.d/project/lua.d/README.md new file mode 100644 index 0000000..11dbd49 --- /dev/null +++ b/conf.d/project/lua.d/README.md @@ -0,0 +1,60 @@ +Softmixer controller for 4A (AGL Advance Audio Architecture). +------------------------------------------------------------ + + * Object: LUA API Documentation + * Status: In Progress + * Author: Fulup Ar Foll fulup@iot.bzh + * Date : April-2018 + +## Sound Cards + +User may define as many sound card as needed. All sound cards will be group within one global multi channels card. +As a result, declaring three USB stereo sound card is equivalent to declare one Renesas GEN3 with 6 channels + +``` + -- Sound Card Definition + -- ========================== + -- local sndcard_sample = { + -- + -- * Mandatory UID will be the ALSA PCM + -- ["uid"]= "YAMAHA-APU70", + -- + -- * Mandatory Card might be found by either its devpath, its cardid or cardindex (should provide only one) + -- ["devpath"]= "/dev/snd/by-xxx/xxxx, (any path in /dev/snd pointing to a valid sndcard control works + -- ["cardid"] = "hw:xx", [xx] may either be a card index or a name (eg: hw:USB) + -- ["cardidx"] = N, + -- + -- * Optional Device and subdev + -- ["device"] = N, (default 0) + -- ["subdev"] = N, (default 0) + -- + -- * Mandotory List of sink channels attached to the card + -- ["sink"] = { + -- [0]= {["uid"]= "front-right", ["port"]= 0}, + -- [1]= {["uid"]= "front-left", ["port"]= 1}, + -- } + -- } +``` + +Sound card should be group in a table in order to request grouping as a multi channel PCM. Note that this grouping +relies on ALSA 'multi' plugin and thus inherit of its limits. + +``` + local sndcards= { + [0] = sndcard_0, + [1] = sndcard_2, + [3] = sndcard_3, + } +``` + +Call + +``` + 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 +```
\ No newline at end of file diff --git a/conf.d/project/lua.d/softmixer-01.lua b/conf.d/project/lua.d/softmixer-01.lua index 8858b93..8b586a7 100644 --- a/conf.d/project/lua.d/softmixer-01.lua +++ b/conf.d/project/lua.d/softmixer-01.lua @@ -31,34 +31,179 @@ end -- Display receive arguments and echo them to caller function _mixer_config_ (source, args) + do + local error + + -- ============================= Sound Cards =================== + + local snd_params = { + ["rate"] = 48000, + ["channel"]= 2, + } + + local sndcard_0 = { + ["uid"]= "YAMAHA-APU70", + ["devpath"]= "/dev/snd/by-id/usb-YAMAHA_Corporation_YAMAHA_AP-U70_USB_Audio_00-00", + ["params"] = params, + ["sink"] = { + [0]= {["uid"]= "front-right", ["port"]= 0}, + [1]= {["uid"]= "front-left", ["port"]= 1}, + } + } - local devin = { - ["path"]= "/dev/snd/by-path/platform-snd_aloop.0", - ["dev"]= 1, - ["sub"]= 0, - ["numid"]= 51, + local sndcard_1 = { + ["uid"]= "Jabra-Solemate", + ["devpath"]= "/dev/snd/by-id/usb-0b0e_Jabra_SOLEMATE_v1.34.0-00", + ["params"] = params, + ["sink"] = { + [0]= {["uid"]= "front-right", ["port"]= 0}, + [1]= {["uid"]= "front-left", ["port"]= 1}, + } } - local devout = { - ["path"]= "/dev/snd/by-id/usb-YAMAHA_Corporation_YAMAHA_AP-U70_USB_Audio_00-00", - -- ["path"]= "/dev/snd/by-id/usb-0b0e_Jabra_SOLEMATE_v1.34.0-00", - ["dev"]= 0, - ["sub"]= 0, + local sndcard_2 = { + ["uid"]= "Jabra-410", + ["params"] = params, + ["devpath"]= "/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}, + } + } + + -- group sound card as one multi channels card + local sndcards= { + sndcard_0, + sndcard_2, } - local params = { - ["rate"]= 48000, - --["rate"]= 44100, - ["channels"]= 2, + error= L2C:snd_cards (source, sndcards) + if (error ~= 0) then + AFB:error (source, "--InLua-- L2C:snd_cards fail to attach sndcards=%s", Dump_Table(sndcards)) + goto OnErrorExit + else + AFB:notice (source, "--InLua-- L2C:snd_cards done response=%s\n", Dump_Table(response)) + end + + -- ============================= Zones =================== + + local zone_front= { + ["uid"] = "front-seats", + ["type"] = "playback", + ["mapping"] = { + {["target"]="front-right",["channel"]=0}, + {["target"]="front-left" ,["channel"]=1}, + } } - -- Call AlsaSoftRouter - L2C:alsarouter(source, {["devin"]= devin, ["devout"]= devout, ["params"]= params}) + local zone_back= { + ["uid"] = "back-seats", + ["type"] = "playback", + ["mapping"] = { + {["target"]="back-right",["channel"]=0}, + {["target"]="back-left" ,["channel"]=1}, + } + } + + local zone_all= { + ["uid"] = "all-seats", + ["type"] = "playback", + ["mapping"] = { + {["target"]="front-right",["channel"]=0}, + {["target"]="front-left" ,["channel"]=1}, + {["target"]="back-right" ,["channel"]=0}, + {["target"]="back-left" ,["channel"]=1}, + } + } + + local multi_zones = { + zone_all, + zone_front, + zone_back, + } + + error= L2C:snd_zones (source, multi_zones) + if (error ~= 0) then + AFB:error (source, "--InLua-- L2C:snd_zones fail to attach sndcards=%s", Dump_Table(multi_zones)) + goto OnErrorExit + else + AFB:notice (source, "--InLua-- L2C:snd_zones done response=%s\n", Dump_Table(response)) + end + + -- ======================= Loop PCM =========================== + + local snd_aloop = { + ["uid"] = "Alsa-Loop", + ["devpath"] = "/dev/snd/by-path/platform-snd_aloop.0", + ["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}, + } + } + error= L2C:snd_loops (source, snd_aloop) + if (error ~= 0) then + AFB:error (source, "--InLua-- L2C:snd_loops fail to attach sndcards=%s", Dump_Table(aloop)) + goto OnErrorExit + else + AFB:notice (source, "--InLua-- L2C:snd_loops done response=%s\n", Dump_Table(response)) + end + + -- =================== Audio Stream ============================ + + local stream_music= { + ["uid"] = "multimedia", + ["zone"] = "all-seats", + ["volume"]= 70, + ["rate"] = 48000, + ["mute"] = false; + } + + local stream_navigation= { + ["uid"] = "navigation", + ["zone"] = "front-seats", + ["volume"]= 80, + ["mute"] = false; + } + + local stream_children= { + ["uid"] = "children", + ["zone"] = "back-seats", + ["volume"]= 50, + ["mute"] = false; + } + + local snd_streams = { + stream_music, + stream_navigation, + stream_children, + } + + error= L2C:snd_streams (source, snd_streams) + if (error ~= 0) then + AFB:error (source, "--InLua-- L2C:snd_streams fail to attach sndcards=%s", Dump_Table(aloop)) + goto OnErrorExit + else + AFB:notice (source, "--InLua-- L2C:streams_loops done response=%s\n", Dump_Table(response)) + end + + + -- ================== Happy End ============================= AFB:notice (source, "--InLua-- _mixer_config_ done") + return 0 end - return 0 -- happy end -end + -- ================= Unhappy End ============================ + ::OnErrorExit:: + 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) |