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Implement BPM support

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Based on #62896, only implements the BPM support part.

* Implements BPM support in the AudioStreamOGG/MP3 importers.
* Can select BPM/Bar Size and total beats in a song file, as well as edit looping points.
* Looping is now BPM aware
* Added a special importer UI for configuring this.
* Added a special preview showing the audio waveform as well as the playback position in the resource picker.
* Renamed `AudioStream::instance` to `instantiate` for correctness.
This commit is contained in:
reduz 2022-07-21 01:00:58 +02:00 • committed by Juan Linietsky
parent 976cb7ea9f
commit d1ddee2258
41 changed files with 1548 additions and 438 deletions
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6
servers/audio/effects/audio_stream_generator.cpp
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@ -46,7 +46,7 @@ float AudioStreamGenerator::get_buffer_length() const {
return buffer_len;
}
Ref<AudioStreamPlayback> AudioStreamGenerator::instance_playback() {
Ref<AudioStreamPlayback> AudioStreamGenerator::instantiate_playback() {
Ref<AudioStreamGeneratorPlayback> playback;
playback.instantiate();
playback->generator = this;
@ -196,6 +196,10 @@ void AudioStreamGeneratorPlayback::seek(float p_time) {
//no seek possible
}
void AudioStreamGeneratorPlayback::tag_used_streams() {
generator->tag_used(0);
}
void AudioStreamGeneratorPlayback::_bind_methods() {
ClassDB::bind_method(D_METHOD("push_frame", "frame"), &AudioStreamGeneratorPlayback::push_frame);
ClassDB::bind_method(D_METHOD("can_push_buffer", "amount"), &AudioStreamGeneratorPlayback::can_push_buffer);

4
servers/audio/effects/audio_stream_generator.h
View file

@ -50,7 +50,7 @@ public:
void set_buffer_length(float p_seconds);
float get_buffer_length() const;
virtual Ref<AudioStreamPlayback> instance_playback() override;
virtual Ref<AudioStreamPlayback> instantiate_playback() override;
virtual String get_stream_name() const override;
virtual float get_length() const override;
@ -89,6 +89,8 @@ public:
int get_frames_available() const;
int get_skips() const;
virtual void tag_used_streams() override;
void clear_buffer();
AudioStreamGeneratorPlayback();