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/*************************************************************************/
/* audio_stream_mpc.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 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_MPC_H
#define AUDIO_STREAM_MPC_H
#include "io/resource_loader.h"
#include "os/file_access.h"
#include "os/thread_safe.h"
#include "scene/resources/audio_stream.h"
#include <mpc/mpcdec.h>
class AudioStreamPlaybackMPC : public AudioStreamPlayback {
GDCLASS( AudioStreamPlaybackMPC, AudioStreamPlayback );
bool preload;
FileAccess *f;
String file;
DVector<uint8_t> data;
int data_ofs;
int streamlen;
bool active;
bool paused;
bool loop;
int loops;
// mpc
mpc_reader reader;
mpc_demux* demux;
mpc_streaminfo si;
MPC_SAMPLE_FORMAT sample_buffer[MPC_DECODER_BUFFER_LENGTH];
static mpc_int32_t _mpc_read(mpc_reader *p_reader,void *p_dst, mpc_int32_t p_bytes);
static mpc_bool_t _mpc_seek(mpc_reader *p_reader,mpc_int32_t p_offset);
static mpc_int32_t _mpc_tell(mpc_reader *p_reader);
static mpc_int32_t _mpc_get_size(mpc_reader *p_reader);
static mpc_bool_t _mpc_canseek(mpc_reader *p_reader);
int stream_min_size;
int stream_rate;
int stream_channels;
protected:
Error _open_file();
void _close_file();
int _read_file(void *p_dst,int p_bytes);
bool _seek_file(int p_pos);
int _tell_file() const;
int _sizeof_file() const;
bool _canseek_file() const;
Error _reload();
static void _bind_methods();
public:
void set_file(const String& p_file);
String get_file() const;
virtual void play(float p_offset=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_rate; }
virtual int get_minimum_buffer_size() const { return stream_min_size; }
virtual int mix(int16_t* p_bufer,int p_frames);
virtual void set_loop_restart_time(float p_time) { }
AudioStreamPlaybackMPC();
~AudioStreamPlaybackMPC();
};
class AudioStreamMPC : public AudioStream {
GDCLASS( AudioStreamMPC, AudioStream );
String file;
public:
Ref<AudioStreamPlayback> instance_playback() {
Ref<AudioStreamPlaybackMPC> pb = memnew( AudioStreamPlaybackMPC );
pb->set_file(file);
return pb;
}
void set_file(const String& p_file) { file=p_file; }
};
class ResourceFormatLoaderAudioStreamMPC : 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_MPC_H
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