mirror of
https://github.com/godotengine/godot.git
synced 2024-11-25 05:33:11 +00:00
550 lines
19 KiB
C++
550 lines
19 KiB
C++
/**************************************************************************/
|
|
/* audio_server.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_SERVER_H
|
|
#define AUDIO_SERVER_H
|
|
|
|
#include "core/math/audio_frame.h"
|
|
#include "core/object/class_db.h"
|
|
#include "core/os/os.h"
|
|
#include "core/templates/safe_list.h"
|
|
#include "core/variant/variant.h"
|
|
#include "servers/audio/audio_effect.h"
|
|
#include "servers/audio/audio_filter_sw.h"
|
|
|
|
#include <atomic>
|
|
|
|
class AudioDriverDummy;
|
|
class AudioSample;
|
|
class AudioStream;
|
|
class AudioStreamWAV;
|
|
class AudioStreamPlayback;
|
|
class AudioSamplePlayback;
|
|
|
|
class AudioDriver {
|
|
static AudioDriver *singleton;
|
|
uint64_t _last_mix_time = 0;
|
|
uint64_t _last_mix_frames = 0;
|
|
|
|
#ifdef DEBUG_ENABLED
|
|
SafeNumeric<uint64_t> prof_ticks;
|
|
SafeNumeric<uint64_t> prof_time;
|
|
#endif
|
|
|
|
protected:
|
|
Vector<int32_t> input_buffer;
|
|
unsigned int input_position = 0;
|
|
unsigned int input_size = 0;
|
|
|
|
void audio_server_process(int p_frames, int32_t *p_buffer, bool p_update_mix_time = true);
|
|
void update_mix_time(int p_frames);
|
|
void input_buffer_init(int driver_buffer_frames);
|
|
void input_buffer_write(int32_t sample);
|
|
|
|
int _get_configured_mix_rate();
|
|
|
|
#ifdef DEBUG_ENABLED
|
|
_FORCE_INLINE_ void start_counting_ticks() { prof_ticks.set(OS::get_singleton()->get_ticks_usec()); }
|
|
_FORCE_INLINE_ void stop_counting_ticks() { prof_time.add(OS::get_singleton()->get_ticks_usec() - prof_ticks.get()); }
|
|
#else
|
|
_FORCE_INLINE_ void start_counting_ticks() {}
|
|
_FORCE_INLINE_ void stop_counting_ticks() {}
|
|
#endif
|
|
|
|
public:
|
|
double get_time_since_last_mix(); //useful for video -> audio sync
|
|
double get_time_to_next_mix();
|
|
|
|
enum SpeakerMode {
|
|
SPEAKER_MODE_STEREO,
|
|
SPEAKER_SURROUND_31,
|
|
SPEAKER_SURROUND_51,
|
|
SPEAKER_SURROUND_71,
|
|
};
|
|
|
|
static AudioDriver *get_singleton();
|
|
void set_singleton();
|
|
|
|
// Virtual API to implement.
|
|
|
|
virtual const char *get_name() const = 0;
|
|
|
|
virtual Error init() = 0;
|
|
virtual void start() = 0;
|
|
virtual int get_mix_rate() const = 0;
|
|
virtual int get_input_mix_rate() const { return get_mix_rate(); }
|
|
virtual SpeakerMode get_speaker_mode() const = 0;
|
|
virtual float get_latency() { return 0; }
|
|
|
|
virtual void lock() = 0;
|
|
virtual void unlock() = 0;
|
|
virtual void finish() = 0;
|
|
|
|
virtual PackedStringArray get_output_device_list();
|
|
virtual String get_output_device();
|
|
virtual void set_output_device(const String &p_name) {}
|
|
|
|
virtual Error input_start() { return FAILED; }
|
|
virtual Error input_stop() { return FAILED; }
|
|
|
|
virtual PackedStringArray get_input_device_list();
|
|
virtual String get_input_device() { return "Default"; }
|
|
virtual void set_input_device(const String &p_name) {}
|
|
|
|
//
|
|
|
|
SpeakerMode get_speaker_mode_by_total_channels(int p_channels) const;
|
|
int get_total_channels_by_speaker_mode(SpeakerMode) const;
|
|
|
|
Vector<int32_t> get_input_buffer() { return input_buffer; }
|
|
unsigned int get_input_position() { return input_position; }
|
|
unsigned int get_input_size() { return input_size; }
|
|
|
|
#ifdef DEBUG_ENABLED
|
|
uint64_t get_profiling_time() const { return prof_time.get(); }
|
|
void reset_profiling_time() { prof_time.set(0); }
|
|
#endif
|
|
|
|
// Samples handling.
|
|
virtual bool is_stream_registered_as_sample(const Ref<AudioStream> &p_stream) const {
|
|
return false;
|
|
}
|
|
virtual void register_sample(const Ref<AudioSample> &p_sample) {}
|
|
virtual void unregister_sample(const Ref<AudioSample> &p_sample) {}
|
|
virtual void start_sample_playback(const Ref<AudioSamplePlayback> &p_playback);
|
|
virtual void stop_sample_playback(const Ref<AudioSamplePlayback> &p_playback) {}
|
|
virtual void set_sample_playback_pause(const Ref<AudioSamplePlayback> &p_playback, bool p_paused) {}
|
|
virtual bool is_sample_playback_active(const Ref<AudioSamplePlayback> &p_playback) { return false; }
|
|
virtual double get_sample_playback_position(const Ref<AudioSamplePlayback> &p_playback) { return false; }
|
|
virtual void update_sample_playback_pitch_scale(const Ref<AudioSamplePlayback> &p_playback, float p_pitch_scale = 0.0f) {}
|
|
virtual void set_sample_playback_bus_volumes_linear(const Ref<AudioSamplePlayback> &p_playback, const HashMap<StringName, Vector<AudioFrame>> &p_bus_volumes) {}
|
|
|
|
virtual void set_sample_bus_count(int p_count) {}
|
|
virtual void remove_sample_bus(int p_bus) {}
|
|
virtual void add_sample_bus(int p_at_pos = -1) {}
|
|
virtual void move_sample_bus(int p_bus, int p_to_pos) {}
|
|
virtual void set_sample_bus_send(int p_bus, const StringName &p_send) {}
|
|
virtual void set_sample_bus_volume_db(int p_bus, float p_volume_db) {}
|
|
virtual void set_sample_bus_solo(int p_bus, bool p_enable) {}
|
|
virtual void set_sample_bus_mute(int p_bus, bool p_enable) {}
|
|
|
|
AudioDriver() {}
|
|
virtual ~AudioDriver() {}
|
|
};
|
|
|
|
class AudioDriverManager {
|
|
enum {
|
|
MAX_DRIVERS = 10
|
|
};
|
|
|
|
static AudioDriver *drivers[MAX_DRIVERS];
|
|
static int driver_count;
|
|
|
|
static AudioDriverDummy dummy_driver;
|
|
|
|
public:
|
|
static const int DEFAULT_MIX_RATE = 44100;
|
|
|
|
static void add_driver(AudioDriver *p_driver);
|
|
static void initialize(int p_driver);
|
|
static int get_driver_count();
|
|
static AudioDriver *get_driver(int p_driver);
|
|
};
|
|
|
|
class AudioBusLayout;
|
|
|
|
class AudioServer : public Object {
|
|
GDCLASS(AudioServer, Object);
|
|
|
|
public:
|
|
//re-expose this here, as AudioDriver is not exposed to script
|
|
enum SpeakerMode {
|
|
SPEAKER_MODE_STEREO,
|
|
SPEAKER_SURROUND_31,
|
|
SPEAKER_SURROUND_51,
|
|
SPEAKER_SURROUND_71,
|
|
};
|
|
|
|
enum PlaybackType {
|
|
PLAYBACK_TYPE_DEFAULT,
|
|
PLAYBACK_TYPE_STREAM,
|
|
PLAYBACK_TYPE_SAMPLE,
|
|
PLAYBACK_TYPE_MAX
|
|
};
|
|
|
|
enum {
|
|
AUDIO_DATA_INVALID_ID = -1,
|
|
MAX_CHANNELS_PER_BUS = 4,
|
|
MAX_BUSES_PER_PLAYBACK = 6,
|
|
LOOKAHEAD_BUFFER_SIZE = 64,
|
|
};
|
|
|
|
typedef void (*AudioCallback)(void *p_userdata);
|
|
|
|
private:
|
|
uint64_t mix_time = 0;
|
|
int mix_size = 0;
|
|
|
|
uint32_t buffer_size = 0;
|
|
uint64_t mix_count = 0;
|
|
uint64_t mix_frames = 0;
|
|
#ifdef DEBUG_ENABLED
|
|
SafeNumeric<uint64_t> prof_time;
|
|
#endif
|
|
|
|
float channel_disable_threshold_db = 0.0f;
|
|
uint32_t channel_disable_frames = 0;
|
|
|
|
int channel_count = 0;
|
|
int to_mix = 0;
|
|
|
|
float playback_speed_scale = 1.0f;
|
|
|
|
bool tag_used_audio_streams = false;
|
|
|
|
struct Bus {
|
|
StringName name;
|
|
bool solo = false;
|
|
bool mute = false;
|
|
bool bypass = false;
|
|
|
|
bool soloed = false;
|
|
|
|
// Each channel is a stereo pair.
|
|
struct Channel {
|
|
bool used = false;
|
|
bool active = false;
|
|
AudioFrame peak_volume = AudioFrame(AUDIO_MIN_PEAK_DB, AUDIO_MIN_PEAK_DB);
|
|
Vector<AudioFrame> buffer;
|
|
Vector<Ref<AudioEffectInstance>> effect_instances;
|
|
uint64_t last_mix_with_audio = 0;
|
|
Channel() {}
|
|
};
|
|
|
|
Vector<Channel> channels;
|
|
|
|
struct Effect {
|
|
Ref<AudioEffect> effect;
|
|
bool enabled = false;
|
|
#ifdef DEBUG_ENABLED
|
|
uint64_t prof_time = 0;
|
|
#endif
|
|
};
|
|
|
|
Vector<Effect> effects;
|
|
float volume_db = 0.0f;
|
|
StringName send;
|
|
int index_cache = 0;
|
|
};
|
|
|
|
struct AudioStreamPlaybackBusDetails {
|
|
bool bus_active[MAX_BUSES_PER_PLAYBACK] = {};
|
|
StringName bus[MAX_BUSES_PER_PLAYBACK];
|
|
AudioFrame volume[MAX_BUSES_PER_PLAYBACK][MAX_CHANNELS_PER_BUS];
|
|
};
|
|
|
|
struct AudioStreamPlaybackListNode {
|
|
// The state machine for audio stream playbacks is as follows:
|
|
// 1. The playback is created and added to the playback list in the playing state.
|
|
// 2. The playback is (maybe) paused, and the state is set to FADE_OUT_TO_PAUSE.
|
|
// 2.1. The playback is mixed after being paused, and the audio server thread atomically sets the state to PAUSED after performing a brief fade-out.
|
|
// 3. The playback is (maybe) deleted, and the state is set to FADE_OUT_TO_DELETION.
|
|
// 3.1. The playback is mixed after being deleted, and the audio server thread atomically sets the state to AWAITING_DELETION after performing a brief fade-out.
|
|
// NOTE: The playback is not deallocated at this time because allocation and deallocation are not realtime-safe.
|
|
// 4. The playback is removed and deallocated on the main thread using the SafeList maybe_cleanup method.
|
|
enum PlaybackState {
|
|
PAUSED = 0, // Paused. Keep this stream playback around though so it can be restarted.
|
|
PLAYING = 1, // Playing. Fading may still be necessary if volume changes!
|
|
FADE_OUT_TO_PAUSE = 2, // About to pause.
|
|
FADE_OUT_TO_DELETION = 3, // About to stop.
|
|
AWAITING_DELETION = 4,
|
|
};
|
|
// If zero or positive, a place in the stream to seek to during the next mix.
|
|
SafeNumeric<float> setseek;
|
|
SafeNumeric<float> pitch_scale;
|
|
SafeNumeric<float> highshelf_gain;
|
|
SafeNumeric<float> attenuation_filter_cutoff_hz; // This isn't used unless highshelf_gain is nonzero.
|
|
AudioFilterSW::Processor filter_process[8];
|
|
// Updating this ref after the list node is created breaks consistency guarantees, don't do it!
|
|
Ref<AudioStreamPlayback> stream_playback;
|
|
// Playback state determines the fate of a particular AudioStreamListNode during the mix step. Must be atomically replaced.
|
|
std::atomic<PlaybackState> state = AWAITING_DELETION;
|
|
// This data should only ever be modified by an atomic replacement of the pointer.
|
|
std::atomic<AudioStreamPlaybackBusDetails *> bus_details = nullptr;
|
|
// Previous bus details should only be accessed on the audio thread.
|
|
AudioStreamPlaybackBusDetails *prev_bus_details = nullptr;
|
|
// The next few samples are stored here so we have some time to fade audio out if it ends abruptly at the beginning of the next mix.
|
|
AudioFrame lookahead[LOOKAHEAD_BUFFER_SIZE];
|
|
};
|
|
|
|
SafeList<AudioStreamPlaybackListNode *> playback_list;
|
|
SafeList<AudioStreamPlaybackBusDetails *> bus_details_graveyard;
|
|
void _delete_stream_playback(Ref<AudioStreamPlayback> p_playback);
|
|
void _delete_stream_playback_list_node(AudioStreamPlaybackListNode *p_node);
|
|
|
|
// TODO document if this is necessary.
|
|
SafeList<AudioStreamPlaybackBusDetails *> bus_details_graveyard_frame_old;
|
|
|
|
Vector<Vector<AudioFrame>> temp_buffer; //temp_buffer for each level
|
|
Vector<AudioFrame> mix_buffer;
|
|
Vector<Bus *> buses;
|
|
HashMap<StringName, Bus *> bus_map;
|
|
|
|
void _update_bus_effects(int p_bus);
|
|
|
|
static AudioServer *singleton;
|
|
|
|
void init_channels_and_buffers();
|
|
|
|
void _mix_step();
|
|
void _mix_step_for_channel(AudioFrame *p_out_buf, AudioFrame *p_source_buf, AudioFrame p_vol_start, AudioFrame p_vol_final, float p_attenuation_filter_cutoff_hz, float p_highshelf_gain, AudioFilterSW::Processor *p_processor_l, AudioFilterSW::Processor *p_processor_r);
|
|
|
|
// Should only be called on the main thread.
|
|
AudioStreamPlaybackListNode *_find_playback_list_node(Ref<AudioStreamPlayback> p_playback);
|
|
|
|
struct CallbackItem {
|
|
AudioCallback callback;
|
|
void *userdata = nullptr;
|
|
};
|
|
|
|
SafeList<CallbackItem *> update_callback_list;
|
|
SafeList<CallbackItem *> mix_callback_list;
|
|
SafeList<CallbackItem *> listener_changed_callback_list;
|
|
|
|
friend class AudioDriver;
|
|
void _driver_process(int p_frames, int32_t *p_buffer);
|
|
|
|
LocalVector<Ref<AudioSamplePlayback>> sample_playback_list;
|
|
|
|
protected:
|
|
static void _bind_methods();
|
|
|
|
public:
|
|
_FORCE_INLINE_ int get_channel_count() const {
|
|
switch (get_speaker_mode()) {
|
|
case SPEAKER_MODE_STEREO:
|
|
return 1;
|
|
case SPEAKER_SURROUND_31:
|
|
return 2;
|
|
case SPEAKER_SURROUND_51:
|
|
return 3;
|
|
case SPEAKER_SURROUND_71:
|
|
return 4;
|
|
}
|
|
ERR_FAIL_V(1);
|
|
}
|
|
|
|
// Do not use from outside audio thread.
|
|
bool thread_has_channel_mix_buffer(int p_bus, int p_buffer) const;
|
|
AudioFrame *thread_get_channel_mix_buffer(int p_bus, int p_buffer);
|
|
int thread_get_mix_buffer_size() const;
|
|
int thread_find_bus_index(const StringName &p_name);
|
|
|
|
void set_bus_count(int p_count);
|
|
int get_bus_count() const;
|
|
|
|
void remove_bus(int p_index);
|
|
void add_bus(int p_at_pos = -1);
|
|
|
|
void move_bus(int p_bus, int p_to_pos);
|
|
|
|
void set_bus_name(int p_bus, const String &p_name);
|
|
String get_bus_name(int p_bus) const;
|
|
int get_bus_index(const StringName &p_bus_name) const;
|
|
|
|
int get_bus_channels(int p_bus) const;
|
|
|
|
void set_bus_volume_db(int p_bus, float p_volume_db);
|
|
float get_bus_volume_db(int p_bus) const;
|
|
|
|
void set_bus_send(int p_bus, const StringName &p_send);
|
|
StringName get_bus_send(int p_bus) const;
|
|
|
|
void set_bus_solo(int p_bus, bool p_enable);
|
|
bool is_bus_solo(int p_bus) const;
|
|
|
|
void set_bus_mute(int p_bus, bool p_enable);
|
|
bool is_bus_mute(int p_bus) const;
|
|
|
|
void set_bus_bypass_effects(int p_bus, bool p_enable);
|
|
bool is_bus_bypassing_effects(int p_bus) const;
|
|
|
|
void add_bus_effect(int p_bus, const Ref<AudioEffect> &p_effect, int p_at_pos = -1);
|
|
void remove_bus_effect(int p_bus, int p_effect);
|
|
|
|
int get_bus_effect_count(int p_bus);
|
|
Ref<AudioEffect> get_bus_effect(int p_bus, int p_effect);
|
|
Ref<AudioEffectInstance> get_bus_effect_instance(int p_bus, int p_effect, int p_channel = 0);
|
|
|
|
void swap_bus_effects(int p_bus, int p_effect, int p_by_effect);
|
|
|
|
void set_bus_effect_enabled(int p_bus, int p_effect, bool p_enabled);
|
|
bool is_bus_effect_enabled(int p_bus, int p_effect) const;
|
|
|
|
float get_bus_peak_volume_left_db(int p_bus, int p_channel) const;
|
|
float get_bus_peak_volume_right_db(int p_bus, int p_channel) const;
|
|
|
|
bool is_bus_channel_active(int p_bus, int p_channel) const;
|
|
|
|
void set_playback_speed_scale(float p_scale);
|
|
float get_playback_speed_scale() const;
|
|
|
|
// Convenience method.
|
|
void start_playback_stream(Ref<AudioStreamPlayback> p_playback, const StringName &p_bus, Vector<AudioFrame> p_volume_db_vector, float p_start_time = 0, float p_pitch_scale = 1);
|
|
// Expose all parameters.
|
|
void start_playback_stream(Ref<AudioStreamPlayback> p_playback, const HashMap<StringName, Vector<AudioFrame>> &p_bus_volumes, float p_start_time = 0, float p_pitch_scale = 1, float p_highshelf_gain = 0, float p_attenuation_cutoff_hz = 0);
|
|
void stop_playback_stream(Ref<AudioStreamPlayback> p_playback);
|
|
|
|
void set_playback_bus_exclusive(Ref<AudioStreamPlayback> p_playback, const StringName &p_bus, Vector<AudioFrame> p_volumes);
|
|
void set_playback_bus_volumes_linear(Ref<AudioStreamPlayback> p_playback, const HashMap<StringName, Vector<AudioFrame>> &p_bus_volumes);
|
|
void set_playback_all_bus_volumes_linear(Ref<AudioStreamPlayback> p_playback, Vector<AudioFrame> p_volumes);
|
|
void set_playback_pitch_scale(Ref<AudioStreamPlayback> p_playback, float p_pitch_scale);
|
|
void set_playback_paused(Ref<AudioStreamPlayback> p_playback, bool p_paused);
|
|
void set_playback_highshelf_params(Ref<AudioStreamPlayback> p_playback, float p_gain, float p_attenuation_cutoff_hz);
|
|
|
|
bool is_playback_active(Ref<AudioStreamPlayback> p_playback);
|
|
float get_playback_position(Ref<AudioStreamPlayback> p_playback);
|
|
bool is_playback_paused(Ref<AudioStreamPlayback> p_playback);
|
|
|
|
uint64_t get_mix_count() const;
|
|
uint64_t get_mixed_frames() const;
|
|
|
|
String get_driver_name() const;
|
|
|
|
void notify_listener_changed();
|
|
|
|
virtual void init();
|
|
virtual void finish();
|
|
virtual void update();
|
|
virtual void load_default_bus_layout();
|
|
|
|
/* MISC config */
|
|
|
|
virtual void lock();
|
|
virtual void unlock();
|
|
|
|
virtual SpeakerMode get_speaker_mode() const;
|
|
virtual float get_mix_rate() const;
|
|
virtual float get_input_mix_rate() const;
|
|
|
|
virtual float read_output_peak_db() const;
|
|
|
|
static AudioServer *get_singleton();
|
|
|
|
virtual double get_output_latency() const;
|
|
virtual double get_time_to_next_mix() const;
|
|
virtual double get_time_since_last_mix() const;
|
|
|
|
void add_listener_changed_callback(AudioCallback p_callback, void *p_userdata);
|
|
void remove_listener_changed_callback(AudioCallback p_callback, void *p_userdata);
|
|
|
|
void add_update_callback(AudioCallback p_callback, void *p_userdata);
|
|
void remove_update_callback(AudioCallback p_callback, void *p_userdata);
|
|
|
|
void add_mix_callback(AudioCallback p_callback, void *p_userdata);
|
|
void remove_mix_callback(AudioCallback p_callback, void *p_userdata);
|
|
|
|
void set_bus_layout(const Ref<AudioBusLayout> &p_bus_layout);
|
|
Ref<AudioBusLayout> generate_bus_layout() const;
|
|
|
|
PackedStringArray get_output_device_list();
|
|
String get_output_device();
|
|
void set_output_device(const String &p_name);
|
|
|
|
PackedStringArray get_input_device_list();
|
|
String get_input_device();
|
|
void set_input_device(const String &p_name);
|
|
|
|
void set_enable_tagging_used_audio_streams(bool p_enable);
|
|
|
|
#ifdef TOOLS_ENABLED
|
|
virtual void get_argument_options(const StringName &p_function, int p_idx, List<String> *r_options) const override;
|
|
#endif
|
|
|
|
PlaybackType get_default_playback_type() const;
|
|
|
|
bool is_stream_registered_as_sample(const Ref<AudioStream> &p_stream);
|
|
void register_stream_as_sample(const Ref<AudioStream> &p_stream);
|
|
void unregister_stream_as_sample(const Ref<AudioStream> &p_stream);
|
|
void register_sample(const Ref<AudioSample> &p_sample);
|
|
void unregister_sample(const Ref<AudioSample> &p_sample);
|
|
void start_sample_playback(const Ref<AudioSamplePlayback> &p_playback);
|
|
void stop_sample_playback(const Ref<AudioSamplePlayback> &p_playback);
|
|
void set_sample_playback_pause(const Ref<AudioSamplePlayback> &p_playback, bool p_paused);
|
|
bool is_sample_playback_active(const Ref<AudioSamplePlayback> &p_playback);
|
|
double get_sample_playback_position(const Ref<AudioSamplePlayback> &p_playback);
|
|
void update_sample_playback_pitch_scale(const Ref<AudioSamplePlayback> &p_playback, float p_pitch_scale = 0.0f);
|
|
|
|
AudioServer();
|
|
virtual ~AudioServer();
|
|
};
|
|
|
|
VARIANT_ENUM_CAST(AudioServer::SpeakerMode)
|
|
VARIANT_ENUM_CAST(AudioServer::PlaybackType)
|
|
|
|
class AudioBusLayout : public Resource {
|
|
GDCLASS(AudioBusLayout, Resource);
|
|
|
|
friend class AudioServer;
|
|
|
|
struct Bus {
|
|
StringName name;
|
|
bool solo = false;
|
|
bool mute = false;
|
|
bool bypass = false;
|
|
|
|
struct Effect {
|
|
Ref<AudioEffect> effect;
|
|
bool enabled = false;
|
|
};
|
|
|
|
Vector<Effect> effects;
|
|
|
|
float volume_db = 0.0f;
|
|
StringName send;
|
|
|
|
Bus() {}
|
|
};
|
|
|
|
Vector<Bus> buses;
|
|
|
|
protected:
|
|
bool _set(const StringName &p_name, const Variant &p_value);
|
|
bool _get(const StringName &p_name, Variant &r_ret) const;
|
|
void _get_property_list(List<PropertyInfo> *p_list) const;
|
|
|
|
public:
|
|
AudioBusLayout();
|
|
};
|
|
|
|
typedef AudioServer AS;
|
|
|
|
#endif // AUDIO_SERVER_H
|