120 lines
4.6 KiB
C++
120 lines
4.6 KiB
C++
|
/**************************************************************************/
|
||
|
|
/* audio_stream_synchronized.h */
|
||
|
|
/**************************************************************************/
|
||
|
|
/* This file is part of: */
|
||
|
|
/* GODOT ENGINE */
|
||
|
|
/* https://godotengine.org */
|
||
|
|
/**************************************************************************/
|
||
|
|
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
|
||
|
|
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
|
||
|
|
/* */
|
||
|
|
/* Permission is hereby granted, free of charge, to any person obtaining */
|
||
|
|
/* a copy of this software and associated documentation files (the */
|
||
|
|
/* "Software"), to deal in the Software without restriction, including */
|
||
|
|
/* without limitation the rights to use, copy, modify, merge, publish, */
|
||
|
|
/* distribute, sublicense, and/or sell copies of the Software, and to */
|
||
|
|
/* permit persons to whom the Software is furnished to do so, subject to */
|
||
|
|
/* the following conditions: */
|
||
|
|
/* */
|
||
|
|
/* The above copyright notice and this permission notice shall be */
|
||
|
|
/* included in all copies or substantial portions of the Software. */
|
||
|
|
/* */
|
||
|
|
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
|
||
|
|
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
|
||
|
|
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
|
||
|
|
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
|
||
|
|
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
|
||
|
|
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
|
||
|
|
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
||
|
|
/**************************************************************************/
|
||
|
|
|
||
|
|
#ifndef AUDIO_STREAM_SYNCHRONIZED_H
|
||
|
|
#define AUDIO_STREAM_SYNCHRONIZED_H
|
||
|
|
|
||
|
|
#include "servers/audio/audio_stream.h"
|
||
|
|
|
||
|
|
class AudioStreamPlaybackSynchronized;
|
||
|
|
|
||
|
|
class AudioStreamSynchronized : public AudioStream {
|
||
|
|
GDCLASS(AudioStreamSynchronized, AudioStream)
|
||
|
|
OBJ_SAVE_TYPE(AudioStream)
|
||
|
|
|
||
|
|
private:
|
||
|
|
friend class AudioStreamPlaybackSynchronized;
|
||
|
|
|
||
|
|
enum {
|
||
|
|
MAX_STREAMS = 32
|
||
|
|
};
|
||
|
|
|
||
|
|
int stream_count = 0;
|
||
|
|
Ref<AudioStream> audio_streams[MAX_STREAMS];
|
||
|
|
float audio_stream_volume_db[MAX_STREAMS] = {};
|
||
|
|
HashSet<AudioStreamPlaybackSynchronized *> playbacks;
|
||
|
|
|
||
|
|
public:
|
||
|
|
virtual double get_bpm() const override;
|
||
|
|
virtual int get_beat_count() const override;
|
||
|
|
virtual bool has_loop() const override;
|
||
|
|
void set_stream_count(int p_count);
|
||
|
|
int get_stream_count() const;
|
||
|
|
void set_sync_stream(int p_stream_index, Ref<AudioStream> p_stream);
|
||
|
|
Ref<AudioStream> get_sync_stream(int p_stream_index) const;
|
||
|
|
void set_sync_stream_volume(int p_stream_index, float p_db);
|
||
|
|
float get_sync_stream_volume(int p_stream_index) const;
|
||
|
|
|
||
|
|
virtual Ref<AudioStreamPlayback> instantiate_playback() override;
|
||
|
|
virtual String get_stream_name() const override;
|
||
|
|
virtual double get_length() const override;
|
||
|
|
AudioStreamSynchronized();
|
||
|
|
|
||
|
|
protected:
|
||
|
|
static void _bind_methods();
|
||
|
|
void _validate_property(PropertyInfo &property) const;
|
||
|
|
};
|
||
|
|
|
||
|
|
///////////////////////////////////////
|
||
|
|
|
||
|
|
class AudioStreamPlaybackSynchronized : public AudioStreamPlayback {
|
||
|
|
GDCLASS(AudioStreamPlaybackSynchronized, AudioStreamPlayback)
|
||
|
|
friend class AudioStreamSynchronized;
|
||
|
|
|
||
|
|
private:
|
||
|
|
enum {
|
||
|
|
MIX_BUFFER_SIZE = 128
|
||
|
|
};
|
||
|
|
AudioFrame mix_buffer[MIX_BUFFER_SIZE];
|
||
|
|
|
||
|
|
Ref<AudioStreamSynchronized> stream;
|
||
|
|
Ref<AudioStreamPlayback> playback[AudioStreamSynchronized::MAX_STREAMS];
|
||
|
|
|
||
|
|
int play_order[AudioStreamSynchronized::MAX_STREAMS];
|
||
|
|
|
||
|
|
double stream_todo = 0.0;
|
||
|
|
int fade_index = -1;
|
||
|
|
double fade_volume = 1.0;
|
||
|
|
int play_index = 0;
|
||
|
|
double offset = 0.0;
|
||
|
|
|
||
|
|
int loop_count = 0;
|
||
|
|
|
||
|
|
bool active = false;
|
||
|
|
|
||
|
|
void _update_playback_instances();
|
||
|
|
|
||
|
|
public:
|
||
|
|
virtual void start(double p_from_pos = 0.0) override;
|
||
|
|
virtual void stop() override;
|
||
|
|
virtual bool is_playing() const override;
|
||
|
|
virtual int get_loop_count() const override; // times it looped
|
||
|
|
virtual double get_playback_position() const override;
|
||
|
|
virtual void seek(double p_time) override;
|
||
|
|
virtual int mix(AudioFrame *p_buffer, float p_rate_scale, int p_frames) override;
|
||
|
|
|
||
|
|
virtual void tag_used_streams() override;
|
||
|
|
|
||
|
|
AudioStreamPlaybackSynchronized();
|
||
|
|
~AudioStreamPlaybackSynchronized();
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif // AUDIO_STREAM_SYNCHRONIZED_H
|