godot/modules/stb_vorbis/audio_stream_ogg_vorbis.h
2020-07-10 13:56:54 +01:00

113 lines
4.1 KiB
C++

/*************************************************************************/
/* audio_stream_ogg_vorbis.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_STB_VORBIS_H
#define AUDIO_STREAM_STB_VORBIS_H
#include "core/io/resource_loader.h"
#include "servers/audio/audio_stream.h"
#include "thirdparty/misc/stb_vorbis.h"
class AudioStreamOGGVorbis;
class AudioStreamPlaybackOGGVorbis : public AudioStreamPlaybackResampled {
GDCLASS(AudioStreamPlaybackOGGVorbis, AudioStreamPlaybackResampled);
stb_vorbis *ogg_stream;
stb_vorbis_alloc ogg_alloc;
uint32_t frames_mixed;
bool active;
int loops;
friend class AudioStreamOGGVorbis;
Ref<AudioStreamOGGVorbis> vorbis_stream;
protected:
virtual void _mix_internal(AudioFrame *p_buffer, int p_frames) override;
virtual float get_stream_sampling_rate() override;
public:
virtual void start(float 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 float get_playback_position() const override;
virtual void seek(float p_time) override;
AudioStreamPlaybackOGGVorbis() {}
~AudioStreamPlaybackOGGVorbis();
};
class AudioStreamOGGVorbis : public AudioStream {
GDCLASS(AudioStreamOGGVorbis, AudioStream);
OBJ_SAVE_TYPE(AudioStream); // Saves derived classes with common type so they can be interchanged.
RES_BASE_EXTENSION("oggstr");
friend class AudioStreamPlaybackOGGVorbis;
void *data;
uint32_t data_len;
int decode_mem_size;
float sample_rate;
int channels;
float length;
bool loop;
float loop_offset;
void clear_data();
protected:
static void _bind_methods();
public:
void set_loop(bool p_enable);
bool has_loop() const;
void set_loop_offset(float p_seconds);
float get_loop_offset() const;
virtual Ref<AudioStreamPlayback> instance_playback() override;
virtual String get_stream_name() const override;
void set_data(const Vector<uint8_t> &p_data);
Vector<uint8_t> get_data() const;
virtual float get_length() const override; //if supported, otherwise return 0
AudioStreamOGGVorbis();
virtual ~AudioStreamOGGVorbis();
};
#endif