Merge remote-tracking branch 'origin/master'

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;