virtualx-engine/modules/vorbis/audio_stream_ogg_vorbis.h

138 lines
4.8 KiB
C++

/*************************************************************************/
/* audio_stream_ogg_vorbis.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_OGG_VORBIS_H
#define AUDIO_STREAM_OGG_VORBIS_H
#include "core/io/resource_loader.h"
#include "core/os/file_access.h"
#include "core/os/thread_safe.h"
#include "scene/resources/audio_stream.h"
#include <vorbis/vorbisfile.h>
class AudioStreamPlaybackOGGVorbis : public AudioStreamPlayback {
GDCLASS(AudioStreamPlaybackOGGVorbis, AudioStreamPlayback);
enum {
MIN_MIX = 1024
};
FileAccess *f;
ov_callbacks _ov_callbacks;
float length;
static size_t _ov_read_func(void *p_dst, size_t p_data, size_t p_count, void *_f);
static int _ov_seek_func(void *_f, ogg_int64_t offs, int whence);
static int _ov_close_func(void *_f);
static long _ov_tell_func(void *_f);
String file;
int64_t frames_mixed;
bool stream_loaded;
volatile bool playing;
OggVorbis_File vf;
int stream_channels;
int stream_srate;
int current_section;
bool paused;
bool loops;
int repeats;
Error _load_stream();
void _clear_stream();
void _close_file();
bool stream_valid;
float loop_restart_time;
public:
Error set_file(const String &p_file);
virtual void play(float p_from = 0);
virtual void stop();
virtual bool is_playing() const;
virtual void set_loop_restart_time(float p_time) { loop_restart_time = p_time; }
virtual void set_paused(bool p_paused);
virtual bool is_paused() const;
virtual void set_loop(bool p_enable);
virtual bool has_loop() const;
virtual float get_length() const;
virtual String get_stream_name() const;
virtual int get_loop_count() const;
virtual float get_playback_position() const;
virtual void seek(float p_time);
virtual int get_channels() const { return stream_channels; }
virtual int get_mix_rate() const { return stream_srate; }
virtual int get_minimum_buffer_size() const { return 0; }
virtual int mix(int16_t *p_buffer, int p_frames);
AudioStreamPlaybackOGGVorbis();
~AudioStreamPlaybackOGGVorbis();
};
class AudioStreamOGGVorbis : public AudioStream {
GDCLASS(AudioStreamOGGVorbis, AudioStream);
String file;
public:
Ref<AudioStreamPlayback> instance_playback() {
Ref<AudioStreamPlaybackOGGVorbis> pb = memnew(AudioStreamPlaybackOGGVorbis);
pb->set_file(file);
return pb;
}
void set_file(const String &p_file) { file = p_file; }
};
class ResourceFormatLoaderAudioStreamOGGVorbis : public ResourceFormatLoader {
GDCLASS(ResourceFormatLoaderAudioStreamOGGVorbis, ResourceFormatLoader)
public:
virtual RES load(const String &p_path, const String &p_original_path = "", Error *r_error = NULL);
virtual void get_recognized_extensions(List<String> *p_extensions) const;
virtual bool handles_type(const String &p_type) const;
virtual String get_resource_type(const String &p_path) const;
};
#endif // AUDIO_STREAM_OGG_H