feat(bluetooth): built in audio codec support - another dep bites the dust

- Updated the codec logic to utilize WirePlumber, bye pactl
- Improved UI to display media and call codec sections

quickshell/scripts/bluez-card-profile.lua

@@ -0,0 +1,142 @@
+#!/usr/bin/wpexec
+cutils = require("common-utils")
+
+local args = (...):parse()
+local mode = args.mode or "list"
+local dev_name = args.device or ""
+local target = args.target or ""
+
+local function fail(msg)
+  print("ERROR: " .. msg)
+  Core.quit()
+end
+
+if dev_name == "" then
+  fail("missing device")
+  return
+end
+
+local om = ObjectManager {
+  Interest {
+    type = "device",
+    Constraint { "media.class", "=", "Audio/Device", type = "pw-global" },
+  }
+}
+
+local handled = false
+
+local function profile_available(profile)
+  return profile and profile.available ~= "no"
+end
+
+local function codec_from_profile(profile)
+  if not profile then
+    return ""
+  end
+  local desc = profile.description or ""
+  local codec = desc:match("[Cc]odec%s+([%w%+%-%._]+)")
+  if not codec then
+    return ""
+  end
+  return codec:gsub("%-", "_"):upper()
+end
+
+local function handle_device(device)
+  if handled then
+    return
+  end
+  local name = device.properties["device.name"] or ""
+  if name ~= dev_name then
+    return
+  end
+  handled = true
+
+  if mode == "list" then
+    local active_index = nil
+    for p in device:iterate_params("Profile") do
+      local active = cutils.parseParam(p, "Profile")
+      if active then
+        active_index = active.index
+      end
+    end
+
+    for p in device:iterate_params("EnumProfile") do
+      local profile = cutils.parseParam(p, "EnumProfile")
+      if profile_available(profile) then
+        local codec = codec_from_profile(profile)
+        if codec ~= "" then
+          local current = (active_index ~= nil and profile.index == active_index) and "1" or "0"
+          print(string.format("CODEC\t%s\t%s\t%s\t%s", codec, profile.name, profile.description or "", current))
+        end
+      end
+    end
+    Core.quit()
+    return
+  end
+
+  if mode == "set" then
+    if target == "" then
+      fail("missing target")
+      return
+    end
+
+    local target_lower = tostring(target):lower()
+    local match = nil
+    for p in device:iterate_params("EnumProfile") do
+      local profile = cutils.parseParam(p, "EnumProfile")
+      if profile_available(profile) then
+        local pname = profile.name or ""
+        local codec = codec_from_profile(profile):lower()
+        if pname == target or pname:lower() == target_lower or codec == target_lower
+            or codec == target_lower:gsub("%-", "_") then
+          match = profile
+          break
+        end
+      end
+    end
+
+    if not match then
+      fail("profile not found: " .. target)
+      return
+    end
+
+    local param = Pod.Object {
+      "Spa:Pod:Object:Param:Profile", "Profile",
+      index = tonumber(match.index),
+      save = true,
+    }
+    device:set_param("Profile", param)
+    Core.sync(function()
+      print("OK\t" .. (match.name or target))
+      Core.quit()
+    end)
+    return
+  end
+
+  fail("unknown mode " .. mode)
+end
+
+om:connect("object-added", function(_, device)
+  handle_device(device)
+end)
+
+om:connect("installed", function()
+  if handled then
+    return
+  end
+  for device in om:iterate() do
+    handle_device(device)
+    if handled then
+      return
+    end
+  end
+  fail("device not found: " .. dev_name)
+end)
+
+om:activate()
+Core.timeout_add(3000, function()
+  if not handled then
+    fail("timed out waiting for device " .. dev_name)
+  end
+  return false
+end)