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/*************************************************************************/
/* audio_stream_speex.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2016 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_STREAM_SPEEX_H
#define AUDIO_STREAM_SPEEX_H
#include "scene/resources/audio_stream.h"
#include "speex/speex.h"
#include "os/file_access.h"
#include "io/resource_loader.h"
#include "os/thread_safe.h"
#include <speex/speex.h>
#include <speex/speex_header.h>
#include <speex/speex_stereo.h>
#include <speex/speex_callbacks.h>
#include <ogg/ogg.h>
class AudioStreamPlaybackSpeex : public AudioStreamPlayback {
OBJ_TYPE(AudioStreamPlaybackSpeex, AudioStreamPlayback);
void *st;
SpeexBits bits;
Vector<uint8_t> data;
int read_ofs;
bool active;
String filename;
int loop_count;
bool loops;
int page_size;
bool playing;
bool packets_available;
void unload();
void reload();
ogg_sync_state oy;
ogg_page og;
ogg_packet op;
ogg_stream_state os;
int nframes;
int frame_size;
int packet_no;
ogg_int64_t page_granule, last_granule;
int skip_samples, page_nb_packets;
int stream_channels;
int stream_srate;
int stream_minbuff_size;
void* process_header(ogg_packet *op, int *frame_size, int *rate, int *nframes, int *channels, int *extra_headers);
static void _bind_methods();
protected:
//virtual bool _can_mix() const;
Dictionary _get_bundled() const;
void _set_bundled(const Dictionary& dict);
public:
void set_data(const Vector<uint8_t>& p_data);
virtual void play(float p_from_pos=0);
virtual void stop();
virtual bool is_playing() 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_pos() const;
virtual void seek_pos(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 stream_minbuff_size; }
virtual int mix(int16_t* p_bufer,int p_frames);
virtual void set_loop_restart_time(float p_time) { } //no loop restart, ignore
AudioStreamPlaybackSpeex();
~AudioStreamPlaybackSpeex();
};
class AudioStreamSpeex : public AudioStream {
OBJ_TYPE(AudioStreamSpeex,AudioStream);
Vector<uint8_t> data;
String file;
public:
Ref<AudioStreamPlayback> instance_playback() {
Ref<AudioStreamPlaybackSpeex> pb = memnew( AudioStreamPlaybackSpeex );
pb->set_data(data);
return pb;
}
void set_file(const String& p_file);
};
class ResourceFormatLoaderAudioStreamSpeex : public 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_SPEEX_H
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