- // Ignored for OUTPUT_LIVE.
- void set_preview_size(Output output, int width, int height)
+ typedef std::function<void(float, float, float, float, float)> audio_level_callback_t;
+ void set_audio_level_callback(audio_level_callback_t callback)
+ {
+ audio_level_callback = callback;
+ }
+
+ std::vector<std::string> get_transition_names()