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
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
|
/*************************************************************************/
/* audio_server_sw.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_SERVER_SW_H
#define AUDIO_SERVER_SW_H
#include "servers/audio_server.h"
#include "servers/audio/audio_mixer_sw.h"
#include "servers/audio/voice_rb_sw.h"
#include "self_list.h"
#include "os/thread_safe.h"
#include "os/thread.h"
class AudioServerSW : public AudioServer {
OBJ_TYPE( AudioServerSW, AudioServer );
_THREAD_SAFE_CLASS_
enum {
INTERNAL_BUFFER_SIZE=4096,
STREAM_SCALE_BITS=12
};
SampleManagerSW *sample_manager;
AudioMixerSW *mixer;
virtual AudioMixer *get_mixer();
virtual void audio_mixer_chunk_callback(int p_frames);
struct Voice {
float volume;
volatile bool active;
SelfList<Voice> active_item;
AudioMixer::ChannelID channel;
Voice () : active_item(this) { channel=AudioMixer::INVALID_CHANNEL; active=false;}
};
mutable RID_Owner<Voice> voice_owner;
SelfList<Voice>::List active_list;
struct Stream {
bool active;
List<Stream*>::Element *E;
AudioStream *audio_stream;
EventStream *event_stream;
float volume_scale;
};
List<Stream*> active_audio_streams;
//List<Stream*> event_streams;
int32_t * internal_buffer;
int internal_buffer_channels;
int32_t * stream_buffer;
mutable RID_Owner<Stream> stream_owner;
float stream_volume;
float stream_volume_scale;
float fx_volume_scale;
float event_voice_volume_scale;
float peak_left,peak_right;
uint32_t max_peak;
double _output_delay;
VoiceRBSW voice_rb;
bool exit_update_thread;
Thread *thread;
static void _thread_func(void *self);
void _update_streams(bool p_thread);
void driver_process_chunk(int p_frames,int32_t *p_buffer);
AudioMixerSW::InterpolationType mixer_interp;
bool mixer_use_fx;
uint64_t mixer_step_usecs;
static void _mixer_callback(void *p_udata);
friend class AudioDriverSW;
void driver_process(int p_frames,int32_t *p_buffer);
public:
/* SAMPLE API */
virtual RID sample_create(SampleFormat p_format, bool p_stereo, int p_length);
virtual void sample_set_description(RID p_sample, const String& p_description);
virtual String sample_get_description(RID p_sample) const;
virtual SampleFormat sample_get_format(RID p_sample) const;
virtual bool sample_is_stereo(RID p_sample) const;
virtual int sample_get_length(RID p_sample) const;
const void* sample_get_data_ptr(RID p_sample) const;
virtual void sample_set_data(RID p_sample, const DVector<uint8_t>& p_buffer);
virtual const DVector<uint8_t> sample_get_data(RID p_sample) const;
virtual void sample_set_mix_rate(RID p_sample,int p_rate);
virtual int sample_get_mix_rate(RID p_sample) const;
virtual void sample_set_loop_format(RID p_sample,SampleLoopFormat p_format);
virtual SampleLoopFormat sample_get_loop_format(RID p_sample) const;
virtual void sample_set_loop_begin(RID p_sample,int p_pos);
virtual int sample_get_loop_begin(RID p_sample) const;
virtual void sample_set_loop_end(RID p_sample,int p_pos);
virtual int sample_get_loop_end(RID p_sample) const;
/* VOICE API */
virtual RID voice_create();
virtual void voice_play(RID p_voice, RID p_sample);
virtual void voice_set_volume(RID p_voice, float p_volume);
virtual void voice_set_pan(RID p_voice, float p_pan, float p_depth=0,float height=0); //pan and depth go from -1 to 1
virtual void voice_set_filter(RID p_voice, FilterType p_type, float p_cutoff, float p_resonance,float p_gain=0);
virtual void voice_set_chorus(RID p_voice, float p_chorus );
virtual void voice_set_reverb(RID p_voice, ReverbRoomType p_room_type, float p_reverb);
virtual void voice_set_mix_rate(RID p_voice, int p_mix_rate);
virtual void voice_set_positional(RID p_voice, bool p_positional);
virtual float voice_get_volume(RID p_voice) const;
virtual float voice_get_pan(RID p_voice) const; //pan and depth go from -1 to 1
virtual float voice_get_pan_depth(RID p_voice) const; //pan and depth go from -1 to 1
virtual float voice_get_pan_height(RID p_voice) const; //pan and depth go from -1 to 1
virtual FilterType voice_get_filter_type(RID p_voice) const;
virtual float voice_get_filter_cutoff(RID p_voice) const;
virtual float voice_get_filter_resonance(RID p_voice) const;
virtual float voice_get_chorus(RID p_voice) const;
virtual ReverbRoomType voice_get_reverb_type(RID p_voice) const;
virtual float voice_get_reverb(RID p_voice) const;
virtual int voice_get_mix_rate(RID p_voice) const;
virtual bool voice_is_positional(RID p_voice) const;
virtual void voice_stop(RID p_voice);
virtual bool voice_is_active(RID p_voice) const;
/* STREAM API */
virtual RID audio_stream_create(AudioStream *p_stream);
virtual RID event_stream_create(EventStream *p_stream);
virtual void stream_set_active(RID p_stream, bool p_active);
virtual bool stream_is_active(RID p_stream) const;
virtual void stream_set_volume_scale(RID p_stream, float p_scale);
virtual float stream_set_volume_scale(RID p_stream) const;
virtual void free(RID p_id);
virtual void init();
virtual void finish();
virtual void update();
virtual void lock();
virtual void unlock();
virtual int get_default_channel_count() const;
virtual int get_default_mix_rate() const;
void set_mixer_params(AudioMixerSW::InterpolationType p_interp, bool p_use_fx);
virtual void set_stream_global_volume_scale(float p_volume);
virtual void set_fx_global_volume_scale(float p_volume);
virtual void set_event_voice_global_volume_scale(float p_volume);
virtual float get_stream_global_volume_scale() const;
virtual float get_fx_global_volume_scale() const;
virtual float get_event_voice_global_volume_scale() const;
virtual uint32_t read_output_peak() const;
virtual double get_mix_time() const; //useful for video -> audio sync
virtual double get_output_delay() const;
AudioServerSW(SampleManagerSW *p_sample_manager);
~AudioServerSW();
};
class AudioDriverSW {
static AudioDriverSW *singleton;
uint64_t _last_mix_time;
uint64_t _mix_amount;
protected:
void audio_server_process(int p_frames,int32_t *p_buffer,bool p_update_mix_time=true);
void update_mix_time(int p_frames);
public:
double get_mix_time() const; //useful for video -> audio sync
enum OutputFormat {
OUTPUT_MONO,
OUTPUT_STEREO,
OUTPUT_QUAD,
OUTPUT_5_1
};
static AudioDriverSW *get_singleton();
void set_singleton();
virtual const char* get_name() const=0;
virtual Error init()=0;
virtual void start()=0;
virtual int get_mix_rate() const =0;
virtual OutputFormat get_output_format() const=0;
virtual void lock()=0;
virtual void unlock()=0;
virtual void finish()=0;
virtual float get_latency() { return 0; }
AudioDriverSW();
virtual ~AudioDriverSW() {};
};
class AudioDriverManagerSW {
enum {
MAX_DRIVERS=10
};
static AudioDriverSW *drivers[MAX_DRIVERS];
static int driver_count;
public:
static void add_driver(AudioDriverSW *p_driver);
static int get_driver_count();
static AudioDriverSW *get_driver(int p_driver);
};
#endif // AUDIO_SERVER_SW_H
|