Add support for feedback lights (LEDs) on MIDI controllers.

[nageru] / audio_mixer.cpp

diff --git a/audio_mixer.cpp b/audio_mixer.cpp
index e4eb495953baaa49cd487f2b5e16960857d88efb..d0737f217c260804c4272bf9d9d5382c109aaa94 100644 (file)
--- a/audio_mixer.cpp
+++ b/audio_mixer.cpp
@@ -987,6 +987,12 @@ InputMapping AudioMixer::get_input_mapping() const
        return input_mapping;
 }
 
+unsigned AudioMixer::num_buses() const
+{
+       lock_guard<timed_mutex> lock(audio_mutex);
+       return input_mapping.buses.size();
+}
+
 void AudioMixer::reset_peak(unsigned bus_index)
 {
        lock_guard<timed_mutex> lock(audio_mutex);