feat(display): Configure display device based on user config (#3441)

src/platform/common.h

@@ -550,6 +550,14 @@ namespace platf {
     virtual std::unique_ptr<mic_t>
     microphone(const std::uint8_t *mapping, int channels, std::uint32_t sample_rate, std::uint32_t frame_size) = 0;
 
+    /**
+     * @brief Check if the audio sink is available in the system.
+     * @param sink Sink to be checked.
+     * @returns True if available, false otherwise.
+     */
+    virtual bool
+    is_sink_available(const std::string &sink) = 0;
+
     virtual std::optional<sink_t>
     sink_info() = 0;
 

src/platform/linux/audio.cpp

@@ -473,6 +473,12 @@ namespace platf {
         return ::platf::microphone(mapping, channels, sample_rate, frame_size, get_monitor_name(sink_name));
       }
 
+      bool
+      is_sink_available(const std::string &sink) override {
+        BOOST_LOG(warning) << "audio_control_t::is_sink_available() unimplemented: "sv << sink;
+        return true;
+      }
+
       int
       set_sink(const std::string &sink) override {
         auto alarm = safe::make_alarm<int>();

src/platform/macos/microphone.mm

@@ -81,6 +81,12 @@ namespace platf {
       return mic;
     }
 
+    bool
+    is_sink_available(const std::string &sink) override {
+      BOOST_LOG(warning) << "audio_control_t::is_sink_available() unimplemented: "sv << sink;
+      return true;
+    }
+
     std::optional<sink_t>
     sink_info() override {
       sink_t sink;

src/platform/windows/audio.cpp

@@ -722,6 +722,13 @@ namespace platf::audio {
       return sink;
     }
 
+    bool
+    is_sink_available(const std::string &sink) override {
+      const auto match_list = match_all_fields(from_utf8(sink));
+      const auto matched = find_device_id(match_list);
+      return static_cast<bool>(matched);
+    }
+
     /**
      * @brief Extract virtual audio sink information possibly encoded in the sink name.
      * @param sink The sink name