godot/scene/audio/audio_stream_player.h

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/*************************************************************************/
/* audio_stream_player.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* 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_PLAYER_H
#define AUDIO_STREAM_PLAYER_H
#include "scene/main/node.h"
#include "servers/audio/audio_stream.h"
class AudioStreamPlayer : public Node {
GDCLASS(AudioStreamPlayer, Node);
public:
enum MixTarget {
MIX_TARGET_STEREO,
MIX_TARGET_SURROUND,
MIX_TARGET_CENTER
};
private:
Ref<AudioStreamPlayback> stream_playback;
Ref<AudioStream> stream;
Vector<AudioFrame> mix_buffer;
Vector<AudioFrame> fadeout_buffer;
bool use_fadeout;
volatile float setseek;
volatile bool active;
volatile bool setstop;
volatile bool stop_has_priority;
float mix_volume_db;
float pitch_scale;
float volume_db;
bool autoplay;
bool stream_paused;
bool stream_paused_fade;
StringName bus;
MixTarget mix_target;
void _mix_internal(bool p_fadeout);
void _mix_audio();
static void _mix_audios(void *self) { reinterpret_cast<AudioStreamPlayer *>(self)->_mix_audio(); }
void _set_playing(bool p_enable);
bool _is_active() const;
void _bus_layout_changed();
void _mix_to_bus(const AudioFrame *p_frames, int p_amount);
protected:
2020-07-10 18:34:39 +08:00
void _validate_property(PropertyInfo &property) const override;
void _notification(int p_what);
static void _bind_methods();
public:
void set_stream(Ref<AudioStream> p_stream);
Ref<AudioStream> get_stream() const;
void set_volume_db(float p_volume);
float get_volume_db() const;
void set_pitch_scale(float p_pitch_scale);
float get_pitch_scale() const;
void play(float p_from_pos = 0.0);
void seek(float p_seconds);
void stop();
bool is_playing() const;
float get_playback_position();
void set_bus(const StringName &p_bus);
StringName get_bus() const;
void set_autoplay(bool p_enable);
bool is_autoplay_enabled();
void set_mix_target(MixTarget p_target);
MixTarget get_mix_target() const;
void set_stream_paused(bool p_pause);
bool get_stream_paused() const;
Ref<AudioStreamPlayback> get_stream_playback();
AudioStreamPlayer();
~AudioStreamPlayer();
};
VARIANT_ENUM_CAST(AudioStreamPlayer::MixTarget)
#endif // AUDIO_STREAM_PLAYER_H