1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
|
/*************************************************************************/
/* audio_stream_mpc.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_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 {
OBJ_TYPE( 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 {
OBJ_TYPE( 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
|