Merge pull request #52237 from ellenhp/polyphony

Add optional polyphonic playback to built-in audio player nodes

modules/minimp3/audio_stream_mp3.cpp

@@ -214,6 +214,10 @@ float AudioStreamMP3::get_length() const {
 	return length;
 }
 
+bool AudioStreamMP3::is_monophonic() const {
+	return false;
+}
+
 void AudioStreamMP3::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_data", "data"), &AudioStreamMP3::set_data);
 	ClassDB::bind_method(D_METHOD("get_data"), &AudioStreamMP3::get_data);

modules/minimp3/audio_stream_mp3.h

@@ -103,6 +103,8 @@ public:
 
 	virtual float get_length() const override;
 
+	virtual bool is_monophonic() const override;
+
 	AudioStreamMP3();
 	virtual ~AudioStreamMP3();
 };

modules/stb_vorbis/audio_stream_ogg_vorbis.cpp

@@ -252,6 +252,10 @@ float AudioStreamOGGVorbis::get_length() const {
 	return length;
 }
 
+bool AudioStreamOGGVorbis::is_monophonic() const {
+	return false;
+}
+
 void AudioStreamOGGVorbis::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_data", "data"), &AudioStreamOGGVorbis::set_data);
 	ClassDB::bind_method(D_METHOD("get_data"), &AudioStreamOGGVorbis::get_data);

modules/stb_vorbis/audio_stream_ogg_vorbis.h

@@ -105,6 +105,8 @@ public:
 
 	virtual float get_length() const override; //if supported, otherwise return 0
 
+	virtual bool is_monophonic() const override;
+
 	AudioStreamOGGVorbis();
 	virtual ~AudioStreamOGGVorbis();
 };