mirror of
https://github.com/godotengine/godot.git
synced 2024-12-21 10:25:24 +08:00
87 lines
3.4 KiB
C++
87 lines
3.4 KiB
C++
/*************************************************************************/
|
|
/* audio_stream_preview.h */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2018 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_PREVIEW_H
|
|
#define AUDIO_STREAM_PREVIEW_H
|
|
|
|
#include "os/thread.h"
|
|
#include "scene/main/node.h"
|
|
#include "servers/audio/audio_stream.h"
|
|
|
|
class AudioStreamPreview : public Reference {
|
|
GDCLASS(AudioStreamPreview, Reference)
|
|
friend class AudioStream;
|
|
Vector<uint8_t> preview;
|
|
float length;
|
|
|
|
friend class AudioStreamPreviewGenerator;
|
|
|
|
public:
|
|
float get_length() const;
|
|
float get_max(float p_time, float p_time_next) const;
|
|
float get_min(float p_time, float p_time_next) const;
|
|
|
|
AudioStreamPreview();
|
|
};
|
|
|
|
class AudioStreamPreviewGenerator : public Node {
|
|
GDCLASS(AudioStreamPreviewGenerator, Node)
|
|
|
|
static AudioStreamPreviewGenerator *singleton;
|
|
|
|
struct Preview {
|
|
Ref<AudioStreamPreview> preview;
|
|
Ref<AudioStream> base_stream;
|
|
Ref<AudioStreamPlayback> playback;
|
|
volatile bool generating;
|
|
ObjectID id;
|
|
Thread *thread;
|
|
};
|
|
|
|
Map<ObjectID, Preview> previews;
|
|
|
|
static void _preview_thread(void *p_preview);
|
|
|
|
void _update_emit(ObjectID p_id);
|
|
|
|
protected:
|
|
void _notification(int p_what);
|
|
static void _bind_methods();
|
|
|
|
public:
|
|
static AudioStreamPreviewGenerator *get_singleton() { return singleton; }
|
|
|
|
Ref<AudioStreamPreview> generate_preview(const Ref<AudioStream> &p_preview);
|
|
|
|
AudioStreamPreviewGenerator();
|
|
};
|
|
|
|
#endif // AUDIO_STREAM_PREVIEW_H
|