-
Notifications
You must be signed in to change notification settings - Fork 1
/
al.go
918 lines (722 loc) · 28.4 KB
/
al.go
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
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
// Copyright 2016 The G3N Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package al implements the Go bindings of a subset of the functions of the OpenAL C library.
// The OpenAL documentation can be accessed at https://openal.org/documentation/
package al
/*
#cgo darwin CFLAGS: -DGO_DARWIN -I/usr/local/opt/openal-soft/include/AL -I/usr/include/AL
#cgo freebsd CFLAGS: -DGO_FREEBSD -I/usr/local/include/AL
#cgo linux CFLAGS: -DGO_LINUX -I/usr/include/AL
#cgo windows CFLAGS: -DGO_WINDOWS -I${SRCDIR}/../windows/openal-soft-1.18.2/include/AL
#cgo darwin LDFLAGS: -L/usr/local/opt/openal-soft/lib -lopenal
#cgo freebsd LDFLAGS: -L/usr/local/lib -lopenal
#cgo linux LDFLAGS: -lopenal
#cgo windows LDFLAGS: -L${SRCDIR}/../windows/bin -lOpenAL32
#ifdef GO_DARWIN
#include <stdlib.h>
#include "al.h"
#include "alc.h"
#include "efx.h"
#endif
#ifdef GO_FREEBSD
#include <stdlib.h>
#include "al.h"
#include "alc.h"
#include "efx.h"
#endif
#ifdef GO_LINUX
#include <stdlib.h>
#include "al.h"
#include "alc.h"
#include "efx.h"
#endif
#ifdef GO_WINDOWS
#include <stdlib.h>
#include "al.h"
#include "alc.h"
#include "efx.h"
#endif
*/
import "C"
import (
"fmt"
"unsafe"
)
// AL constants
const (
None = C.AL_NONE
False = C.AL_FALSE
True = C.AL_TRUE
SourceRelative = C.AL_SOURCE_RELATIVE
ConeInnerAngle = C.AL_CONE_INNER_ANGLE
ConeOuterAngle = C.AL_CONE_OUTER_ANGLE
Pitch = C.AL_PITCH
Position = C.AL_POSITION
Direction = C.AL_DIRECTION
Velocity = C.AL_VELOCITY
Looping = C.AL_LOOPING
Buffer = C.AL_BUFFER
Gain = C.AL_GAIN
MinGain = C.AL_MIN_GAIN
MaxGain = C.AL_MAX_GAIN
Orientation = C.AL_ORIENTATION
SourceState = C.AL_SOURCE_STATE
Initial = C.AL_INITIAL
Playing = C.AL_PLAYING
Paused = C.AL_PAUSED
Stopped = C.AL_STOPPED
BuffersQueued = C.AL_BUFFERS_QUEUED
BuffersProcessed = C.AL_BUFFERS_PROCESSED
ReferenceDistance = C.AL_REFERENCE_DISTANCE
RolloffFactor = C.AL_ROLLOFF_FACTOR
ConeOuterGain = C.AL_CONE_OUTER_GAIN
MaxDistance = C.AL_MAX_DISTANCE
SecOffset = C.AL_SEC_OFFSET
SampleOffset = C.AL_SAMPLE_OFFSET
ByteOffset = C.AL_BYTE_OFFSET
SourceType = C.AL_SOURCE_TYPE
Static = C.AL_STATIC
Streaming = C.AL_STREAMING
Undetermined = C.AL_UNDETERMINED
FormatMono8 = C.AL_FORMAT_MONO8
FormatMono16 = C.AL_FORMAT_MONO16
FormatStereo8 = C.AL_FORMAT_STEREO8
FormatStereo16 = C.AL_FORMAT_STEREO16
Frequency = C.AL_FREQUENCY
Bits = C.AL_BITS
Channels = C.AL_CHANNELS
Size = C.AL_SIZE
Unused = C.AL_UNUSED
Pending = C.AL_PENDING
Processed = C.AL_PROCESSED
NoError = C.AL_NO_ERROR
InvalidName = C.AL_INVALID_NAME
InvalidEnum = C.AL_INVALID_ENUM
InvalidValue = C.AL_INVALID_VALUE
InvalidOperation = C.AL_INVALID_OPERATION
OutOfMemory = C.AL_OUT_OF_MEMORY
Vendor = C.AL_VENDOR
Version = C.AL_VERSION
Renderer = C.AL_RENDERER
Extensions = C.AL_EXTENSIONS
DopplerFactor = C.AL_DOPPLER_FACTOR
DopplerVelocity = C.AL_DOPPLER_VELOCITY
SpeedOfSound = C.AL_SPEED_OF_SOUND
DistanceModel = C.AL_DISTANCE_MODEL
InverseDistance = C.AL_INVERSE_DISTANCE
InverseDistanceClamped = C.AL_INVERSE_DISTANCE_CLAMPED
LinearDistance = C.AL_LINEAR_DISTANCE
LinearDistanceClamped = C.AL_LINEAR_DISTANCE_CLAMPED
ExponentDistance = C.AL_EXPONENT_DISTANCE
ExponentDistanceClamped = C.AL_EXPONENT_DISTANCE_CLAMPED
)
// ALC constants
const (
AttributesSize = C.ALC_ATTRIBUTES_SIZE
AllAttributes = C.ALC_ALL_ATTRIBUTES
DefaultDeviceSpecifier = C.ALC_DEFAULT_DEVICE_SPECIFIER
DeviceSpecifier = C.ALC_DEVICE_SPECIFIER
CtxExtensions = C.ALC_EXTENSIONS
ExtCapture = C.ALC_EXT_CAPTURE
CaptureDeviceSpecifier = C.ALC_CAPTURE_DEVICE_SPECIFIER
CaptureDefaultDeviceSpecifier = C.ALC_CAPTURE_DEFAULT_DEVICE_SPECIFIER
CtxCaptureSamples = C.ALC_CAPTURE_SAMPLES
EnumerateAllExt = C.ALC_ENUMERATE_ALL_EXT
DefaultAllDevicesSpecifier = C.ALC_DEFAULT_ALL_DEVICES_SPECIFIER
AllDevicesSpecifier = C.ALC_ALL_DEVICES_SPECIFIER
)
// AL EFX extension constants
const (
EFX_MAJOR_VERSION = C.ALC_EFX_MAJOR_VERSION
EFX_MINOR_VERSION = C.ALC_EFX_MINOR_VERSION
MAX_AUXILIARY_SENDS = C.ALC_MAX_AUXILIARY_SENDS
METERS_PER_UNIT = C.AL_METERS_PER_UNIT
AL_DIRECT_FILTER = C.AL_DIRECT_FILTER
AL_AUXILIARY_SEND_FILTER = C.AL_AUXILIARY_SEND_FILTER
AL_AIR_ABSORPTION_FACTOR = C.AL_AIR_ABSORPTION_FACTOR
AL_ROOM_ROLLOFF_FACTOR = C.AL_ROOM_ROLLOFF_FACTOR
AL_CONE_OUTER_GAINHF = C.AL_CONE_OUTER_GAINHF
AL_DIRECT_FILTER_GAINHF_AUTO = C.AL_DIRECT_FILTER_GAINHF_AUTO
AL_AUXILIARY_SEND_FILTER_GAIN_AUTO = C.AL_AUXILIARY_SEND_FILTER_GAIN_AUTO
AL_AUXILIARY_SEND_FILTER_GAINHF_AUTO = C.AL_AUXILIARY_SEND_FILTER_GAINHF_AUTO
AL_REVERB_DENSITY = C.AL_REVERB_DENSITY
AL_REVERB_DIFFUSION = C.AL_REVERB_DIFFUSION
AL_REVERB_GAIN = C.AL_REVERB_GAIN
AL_REVERB_GAINHF = C.AL_REVERB_GAINHF
AL_REVERB_DECAY_TIME = C.AL_REVERB_DECAY_TIME
AL_REVERB_DECAY_HFRATIO = C.AL_REVERB_DECAY_HFRATIO
AL_REVERB_REFLECTIONS_GAIN = C.AL_REVERB_REFLECTIONS_GAIN
AL_REVERB_REFLECTIONS_DELAY = C.AL_REVERB_REFLECTIONS_DELAY
AL_REVERB_LATE_REVERB_GAIN = C.AL_REVERB_LATE_REVERB_GAIN
AL_REVERB_LATE_REVERB_DELAY = C.AL_REVERB_LATE_REVERB_DELAY
AL_REVERB_AIR_ABSORPTION_GAINHF = C.AL_REVERB_AIR_ABSORPTION_GAINHF
AL_REVERB_ROOM_ROLLOFF_FACTOR = C.AL_REVERB_ROOM_ROLLOFF_FACTOR
AL_REVERB_DECAY_HFLIMIT = C.AL_REVERB_DECAY_HFLIMIT
AL_EAXREVERB_DENSITY = C.AL_EAXREVERB_DENSITY
AL_EAXREVERB_DIFFUSION = C.AL_EAXREVERB_DIFFUSION
AL_EAXREVERB_GAIN = C.AL_EAXREVERB_GAIN
AL_EAXREVERB_GAINHF = C.AL_EAXREVERB_GAINHF
AL_EAXREVERB_GAINLF = C.AL_EAXREVERB_GAINLF
AL_EAXREVERB_DECAY_TIME = C.AL_EAXREVERB_DECAY_TIME
AL_EAXREVERB_DECAY_HFRATIO = C.AL_EAXREVERB_DECAY_HFRATIO
AL_EAXREVERB_DECAY_LFRATIO = C.AL_EAXREVERB_DECAY_LFRATIO
AL_EAXREVERB_REFLECTIONS_GAIN = C.AL_EAXREVERB_REFLECTIONS_GAIN
AL_EAXREVERB_REFLECTIONS_DELAY = C.AL_EAXREVERB_REFLECTIONS_DELAY
AL_EAXREVERB_REFLECTIONS_PAN = C.AL_EAXREVERB_REFLECTIONS_PAN
AL_EAXREVERB_LATE_REVERB_GAIN = C.AL_EAXREVERB_LATE_REVERB_GAIN
AL_EAXREVERB_LATE_REVERB_DELAY = C.AL_EAXREVERB_LATE_REVERB_DELAY
AL_EAXREVERB_LATE_REVERB_PAN = C.AL_EAXREVERB_LATE_REVERB_PAN
AL_EAXREVERB_ECHO_TIME = C.AL_EAXREVERB_ECHO_TIME
AL_EAXREVERB_ECHO_DEPTH = C.AL_EAXREVERB_ECHO_DEPTH
AL_EAXREVERB_MODULATION_TIME = C.AL_EAXREVERB_MODULATION_TIME
AL_EAXREVERB_MODULATION_DEPTH = C.AL_EAXREVERB_MODULATION_DEPTH
AL_EAXREVERB_AIR_ABSORPTION_GAINHF = C.AL_EAXREVERB_AIR_ABSORPTION_GAINHF
AL_EAXREVERB_HFREFERENCE = C.AL_EAXREVERB_HFREFERENCE
AL_EAXREVERB_LFREFERENCE = C.AL_EAXREVERB_LFREFERENCE
AL_EAXREVERB_ROOM_ROLLOFF_FACTOR = C.AL_EAXREVERB_ROOM_ROLLOFF_FACTOR
AL_EAXREVERB_DECAY_HFLIMIT = C.AL_EAXREVERB_DECAY_HFLIMIT
AL_CHORUS_WAVEFORM = C.AL_CHORUS_WAVEFORM
AL_CHORUS_PHASE = C.AL_CHORUS_PHASE
AL_CHORUS_RATE = C.AL_CHORUS_RATE
AL_CHORUS_DEPTH = C.AL_CHORUS_DEPTH
AL_CHORUS_FEEDBACK = C.AL_CHORUS_FEEDBACK
AL_CHORUS_DELAY = C.AL_CHORUS_DELAY
AL_DISTORTION_EDGE = C.AL_DISTORTION_EDGE
AL_DISTORTION_GAIN = C.AL_DISTORTION_GAIN
AL_DISTORTION_LOWPASS_CUTOFF = C.AL_DISTORTION_LOWPASS_CUTOFF
AL_DISTORTION_EQCENTER = C.AL_DISTORTION_EQCENTER
AL_DISTORTION_EQBANDWIDTH = C.AL_DISTORTION_EQBANDWIDTH
AL_ECHO_DELAY = C.AL_ECHO_DELAY
AL_ECHO_LRDELAY = C.AL_ECHO_LRDELAY
AL_ECHO_DAMPING = C.AL_ECHO_DAMPING
AL_ECHO_FEEDBACK = C.AL_ECHO_FEEDBACK
AL_ECHO_SPREAD = C.AL_ECHO_SPREAD
AL_FLANGER_WAVEFORM = C.AL_FLANGER_WAVEFORM
AL_FLANGER_PHASE = C.AL_FLANGER_PHASE
AL_FLANGER_RATE = C.AL_FLANGER_RATE
AL_FLANGER_DEPTH = C.AL_FLANGER_DEPTH
AL_FLANGER_FEEDBACK = C.AL_FLANGER_FEEDBACK
AL_FLANGER_DELAY = C.AL_FLANGER_DELAY
AL_FREQUENCY_SHIFTER_FREQUENCY = C.AL_FREQUENCY_SHIFTER_FREQUENCY
AL_FREQUENCY_SHIFTER_LEFT_DIRECTION = C.AL_FREQUENCY_SHIFTER_LEFT_DIRECTION
AL_FREQUENCY_SHIFTER_RIGHT_DIRECTION = C.AL_FREQUENCY_SHIFTER_RIGHT_DIRECTION
AL_VOCAL_MORPHER_PHONEMEA = C.AL_VOCAL_MORPHER_PHONEMEA
AL_VOCAL_MORPHER_PHONEMEA_COARSE_TUNING = C.AL_VOCAL_MORPHER_PHONEMEA_COARSE_TUNING
AL_VOCAL_MORPHER_PHONEMEB = C.AL_VOCAL_MORPHER_PHONEMEB
AL_VOCAL_MORPHER_PHONEMEB_COARSE_TUNING = C.AL_VOCAL_MORPHER_PHONEMEB_COARSE_TUNING
AL_VOCAL_MORPHER_WAVEFORM = C.AL_VOCAL_MORPHER_WAVEFORM
AL_VOCAL_MORPHER_RATE = C.AL_VOCAL_MORPHER_RATE
AL_PITCH_SHIFTER_COARSE_TUNE = C.AL_PITCH_SHIFTER_COARSE_TUNE
AL_PITCH_SHIFTER_FINE_TUNE = C.AL_PITCH_SHIFTER_FINE_TUNE
AL_RING_MODULATOR_FREQUENCY = C.AL_RING_MODULATOR_FREQUENCY
AL_RING_MODULATOR_HIGHPASS_CUTOFF = C.AL_RING_MODULATOR_HIGHPASS_CUTOFF
AL_RING_MODULATOR_WAVEFORM = C.AL_RING_MODULATOR_WAVEFORM
AL_AUTOWAH_ATTACK_TIME = C.AL_AUTOWAH_ATTACK_TIME
AL_AUTOWAH_RELEASE_TIME = C.AL_AUTOWAH_RELEASE_TIME
AL_AUTOWAH_RESONANCE = C.AL_AUTOWAH_RESONANCE
AL_AUTOWAH_PEAK_GAIN = C.AL_AUTOWAH_PEAK_GAIN
AL_COMPRESSOR_ONOFF = C.AL_COMPRESSOR_ONOFF
AL_EQUALIZER_LOW_GAIN = C.AL_EQUALIZER_LOW_GAIN
AL_EQUALIZER_LOW_CUTOFF = C.AL_EQUALIZER_LOW_CUTOFF
AL_EQUALIZER_MID1_GAIN = C.AL_EQUALIZER_MID1_GAIN
AL_EQUALIZER_MID1_CENTER = C.AL_EQUALIZER_MID1_CENTER
AL_EQUALIZER_MID1_WIDTH = C.AL_EQUALIZER_MID1_WIDTH
AL_EQUALIZER_MID2_GAIN = C.AL_EQUALIZER_MID2_GAIN
AL_EQUALIZER_MID2_CENTER = C.AL_EQUALIZER_MID2_CENTER
AL_EQUALIZER_MID2_WIDTH = C.AL_EQUALIZER_MID2_WIDTH
AL_EQUALIZER_HIGH_GAIN = C.AL_EQUALIZER_HIGH_GAIN
AL_EQUALIZER_HIGH_CUTOFF = C.AL_EQUALIZER_HIGH_CUTOFF
AL_EFFECT_FIRST_PARAMETER = C.AL_EFFECT_FIRST_PARAMETER
AL_EFFECT_LAST_PARAMETER = C.AL_EFFECT_LAST_PARAMETER
AL_EFFECT_TYPE = C.AL_EFFECT_TYPE
AL_EFFECT_NULL = C.AL_EFFECT_NULL
AL_EFFECT_REVERB = C.AL_EFFECT_REVERB
AL_EFFECT_CHORUS = C.AL_EFFECT_CHORUS
AL_EFFECT_DISTORTION = C.AL_EFFECT_DISTORTION
AL_EFFECT_ECHO = C.AL_EFFECT_ECHO
AL_EFFECT_FLANGER = C.AL_EFFECT_FLANGER
AL_EFFECT_FREQUENCY_SHIFTER = C.AL_EFFECT_FREQUENCY_SHIFTER
AL_EFFECT_VOCAL_MORPHER = C.AL_EFFECT_VOCAL_MORPHER
AL_EFFECT_PITCH_SHIFTER = C.AL_EFFECT_PITCH_SHIFTER
AL_EFFECT_RING_MODULATOR = C.AL_EFFECT_RING_MODULATOR
AL_EFFECT_AUTOWAH = C.AL_EFFECT_AUTOWAH
AL_EFFECT_COMPRESSOR = C.AL_EFFECT_COMPRESSOR
AL_EFFECT_EQUALIZER = C.AL_EFFECT_EQUALIZER
AL_EFFECT_EAXREVERB = C.AL_EFFECT_EAXREVERB
AL_EFFECTSLOT_EFFECT = C.AL_EFFECTSLOT_EFFECT
AL_EFFECTSLOT_GAIN = C.AL_EFFECTSLOT_GAIN
AL_EFFECTSLOT_AUXILIARY_SEND_AUTO = C.AL_EFFECTSLOT_AUXILIARY_SEND_AUTO
AL_EFFECTSLOT_NULL = C.AL_EFFECTSLOT_NULL
AL_LOWPASS_GAIN = C.AL_LOWPASS_GAIN
AL_LOWPASS_GAINHF = C.AL_LOWPASS_GAINHF
AL_HIGHPASS_GAIN = C.AL_HIGHPASS_GAIN
AL_HIGHPASS_GAINLF = C.AL_HIGHPASS_GAINLF
AL_BANDPASS_GAIN = C.AL_BANDPASS_GAIN
AL_BANDPASS_GAINLF = C.AL_BANDPASS_GAINLF
AL_BANDPASS_GAINHF = C.AL_BANDPASS_GAINHF
AL_FILTER_FIRST_PARAMETER = C.AL_FILTER_FIRST_PARAMETER
AL_FILTER_LAST_PARAMETER = C.AL_FILTER_LAST_PARAMETER
AL_FILTER_TYPE = C.AL_FILTER_TYPE
AL_FILTER_NULL = C.AL_FILTER_NULL
AL_FILTER_LOWPASS = C.AL_FILTER_LOWPASS
AL_FILTER_HIGHPASS = C.AL_FILTER_HIGHPASS
AL_FILTER_BANDPASS = C.AL_FILTER_BANDPASS
)
var errCodes = map[uint]string{
C.AL_INVALID_NAME: "AL_INVALID_NAME",
C.AL_INVALID_ENUM: "AL_INVALID_ENUM",
C.AL_INVALID_VALUE: "AL_INVALID_VALUE",
C.AL_INVALID_OPERATION: "AL_INVALID_OPERATION",
C.AL_OUT_OF_MEMORY: "AL_OUT_OF_MEMORY",
}
type Device struct {
cdev *C.ALCdevice
}
type Context struct {
cctx *C.ALCcontext
}
// Statistics
type Stats struct {
Sources int // Current number of sources
Buffers int // Current number of buffers
CgoCalls int64 // Accumulated cgo calls
Callocs int // Current number of C allocations
}
// Maps C pointer to device to Go pointer to Device
var mapDevice = map[*C.ALCdevice]*Device{}
// Global statistics structure
var stats Stats
// GetStats returns copy of the statistics structure
func GetStats() Stats {
return stats
}
func checkCtxError(dev *Device) {
err := CtxGetError(dev)
if err != nil {
panic(err)
}
}
func CreateContext(dev *Device, attrlist []int) (*Context, error) {
var plist unsafe.Pointer
if len(attrlist) != 0 {
plist = (unsafe.Pointer)(&attrlist[0])
}
ctx := C.alcCreateContext(dev.cdev, (*C.ALCint)(plist))
if ctx != nil {
return &Context{ctx}, nil
}
return nil, fmt.Errorf("%s", errCodes[uint(C.alcGetError(dev.cdev))])
}
func MakeContextCurrent(ctx *Context) error {
cres := C.alcMakeContextCurrent(ctx.cctx)
if cres == C.ALC_TRUE {
return nil
}
return fmt.Errorf("%s", errCodes[uint(C.alGetError())])
}
func ProcessContext(ctx *Context) {
C.alcProcessContext(ctx.cctx)
}
func SuspendContext(ctx *Context) {
C.alcSuspendContext(ctx.cctx)
}
func DestroyContext(ctx *Context) {
C.alcDestroyContext(ctx.cctx)
}
func GetContextsDevice(ctx *Context) *Device {
cdev := C.alcGetContextsDevice(ctx.cctx)
if cdev == nil {
return nil
}
return mapDevice[cdev]
}
func OpenDevice(name string) (*Device, error) {
cstr := (*C.ALCchar)(C.CString(name))
defer C.free(unsafe.Pointer(cstr))
cdev := C.alcOpenDevice(cstr)
if cdev != nil {
dev := &Device{cdev}
mapDevice[cdev] = dev
return dev, nil
}
return nil, fmt.Errorf("%s", errCodes[uint(C.alGetError())])
}
func CloseDevice(dev *Device) error {
cres := C.alcCloseDevice(dev.cdev)
if cres == C.ALC_TRUE {
delete(mapDevice, dev.cdev)
return nil
}
return fmt.Errorf("%s", errCodes[uint(C.alGetError())])
}
func CtxGetError(dev *Device) error {
cerr := C.alcGetError(dev.cdev)
if cerr == C.AL_NONE {
return nil
}
return fmt.Errorf("%s", errCodes[uint(cerr)])
}
func CtxIsExtensionPresent(dev *Device, extname string) bool {
cname := (*C.ALCchar)(C.CString(extname))
defer C.free(unsafe.Pointer(cname))
cres := C.alcIsExtensionPresent(dev.cdev, cname)
if cres == C.AL_TRUE {
return true
}
return false
}
func CtxGetEnumValue(dev *Device, enumName string) uint32 {
cname := (*C.ALCchar)(C.CString(enumName))
defer C.free(unsafe.Pointer(cname))
cres := C.alcGetEnumValue(dev.cdev, cname)
return uint32(cres)
}
func CtxGetString(dev *Device, param uint) string {
var cdev *C.ALCdevice = nil
if dev != nil {
cdev = dev.cdev
}
cstr := C.alcGetString(cdev, C.ALCenum(param))
return C.GoString((*C.char)(cstr))
}
func CtxGetIntegerv(dev *Device, param uint32, values []int32) {
C.alcGetIntegerv(dev.cdev, C.ALCenum(param), C.ALCsizei(len(values)), (*C.ALCint)(unsafe.Pointer(&values[0])))
}
func CaptureOpenDevice(devname string, frequency uint32, format uint32, buffersize uint32) (*Device, error) {
cstr := (*C.ALCchar)(C.CString(devname))
defer C.free(unsafe.Pointer(cstr))
cdev := C.alcCaptureOpenDevice(cstr, C.ALCuint(frequency), C.ALCenum(format), C.ALCsizei(buffersize))
if cdev != nil {
dev := &Device{cdev}
mapDevice[cdev] = dev
return dev, nil
}
return nil, fmt.Errorf("%s", errCodes[uint(C.alGetError())])
}
func CaptureCloseDevice(dev *Device) error {
cres := C.alcCaptureCloseDevice(dev.cdev)
if cres == C.AL_TRUE {
return nil
}
return fmt.Errorf("%s", errCodes[uint(C.alGetError())])
}
func CaptureStart(dev *Device) {
C.alcCaptureStart(dev.cdev)
checkCtxError(dev)
}
func CaptureStop(dev *Device) {
C.alcCaptureStop(dev.cdev)
checkCtxError(dev)
}
func CaptureSamples(dev *Device, buffer []byte, nsamples uint) {
C.alcCaptureSamples(dev.cdev, unsafe.Pointer(&buffer[0]), C.ALCsizei(nsamples))
checkCtxError(dev)
}
func Enable(capability uint) {
C.alEnable(C.ALenum(capability))
}
func Disable(capability uint) {
C.alDisable(C.ALenum(capability))
}
func IsEnabled(capability uint) bool {
cres := C.alIsEnabled(C.ALenum(capability))
if cres == C.AL_TRUE {
return true
}
return false
}
func GetString(param uint32) string {
cstr := C.alGetString(C.ALenum(param))
return C.GoString((*C.char)(cstr))
}
func GetBooleanv(param uint32, values []bool) {
cvals := make([]C.ALboolean, len(values))
C.alGetBooleanv(C.ALenum(param), &cvals[0])
for i := 0; i < len(cvals); i++ {
if cvals[i] == C.AL_TRUE {
values[i] = true
} else {
values[i] = false
}
}
}
func GetIntegerv(param uint32, values []int32) {
C.alGetIntegerv(C.ALenum(param), (*C.ALint)(unsafe.Pointer(&values[0])))
}
func GetFloatv(param uint32, values []float32) {
C.alGetFloatv(C.ALenum(param), (*C.ALfloat)(unsafe.Pointer(&values[0])))
}
func GetDoublev(param uint32, values []float64) {
C.alGetDoublev(C.ALenum(param), (*C.ALdouble)(unsafe.Pointer(&values[0])))
}
func GetBoolean(param uint32) bool {
cres := C.alGetBoolean(C.ALenum(param))
if cres == C.AL_TRUE {
return true
}
return false
}
func GetInteger(param uint32) int32 {
cres := C.alGetInteger(C.ALenum(param))
return int32(cres)
}
func GetFloat(param uint32) float32 {
cres := C.alGetFloat(C.ALenum(param))
return float32(cres)
}
func GetDouble(param uint32) float64 {
cres := C.alGetDouble(C.ALenum(param))
return float64(cres)
}
func GetError() error {
cerr := C.alGetError()
if cerr == C.AL_NONE {
return nil
}
return fmt.Errorf("%s", errCodes[uint(cerr)])
}
func IsExtensionPresent(extName string) bool {
cstr := (*C.ALchar)(C.CString(extName))
defer C.free(unsafe.Pointer(cstr))
cres := C.alIsExtensionPresent(cstr)
if cres == 0 {
return false
}
return true
}
func GetEnumValue(enam string) uint32 {
cenam := (*C.ALchar)(C.CString(enam))
defer C.free(unsafe.Pointer(cenam))
cres := C.alGetEnumValue(cenam)
return uint32(cres)
}
func Listenerf(param uint32, value float32) {
C.alListenerf(C.ALenum(param), C.ALfloat(value))
}
func Listener3f(param uint32, value1, value2, value3 float32) {
C.alListener3f(C.ALenum(param), C.ALfloat(value1), C.ALfloat(value2), C.ALfloat(value3))
}
func Listenerfv(param uint32, values []float32) {
C.alListenerfv(C.ALenum(param), (*C.ALfloat)(unsafe.Pointer(&values[0])))
}
func Listeneri(param uint32, value int32) {
C.alListeneri(C.ALenum(param), C.ALint(value))
}
func Listener3i(param uint32, value1, value2, value3 int32) {
C.alListener3i(C.ALenum(param), C.ALint(value1), C.ALint(value2), C.ALint(value3))
}
func Listeneriv(param uint32, values []int32) {
C.alListeneriv(C.ALenum(param), (*C.ALint)(unsafe.Pointer(&values[0])))
}
func GetListenerf(param uint32) float32 {
var cval C.ALfloat
C.alGetListenerf(C.ALenum(param), &cval)
return float32(cval)
}
func GetListener3f(param uint32) (float32, float32, float32) {
var cval1 C.ALfloat
var cval2 C.ALfloat
var cval3 C.ALfloat
C.alGetListener3f(C.ALenum(param), &cval1, &cval2, &cval3)
return float32(cval1), float32(cval2), float32(cval3)
}
func GetListenerfv(param uint32, values []uint32) {
C.alGetListenerfv(C.ALenum(param), (*C.ALfloat)(unsafe.Pointer(&values[0])))
}
func GetListeneri(param uint32) int32 {
var cval C.ALint
C.alGetListeneri(C.ALenum(param), &cval)
return int32(cval)
}
func GetListener3i(param uint32) (int32, int32, int32) {
var cval1 C.ALint
var cval2 C.ALint
var cval3 C.ALint
C.alGetListener3i(C.ALenum(param), &cval1, &cval2, &cval3)
return int32(cval1), int32(cval2), int32(cval3)
}
func GetListeneriv(param uint32, values []int32) {
if len(values) < 3 {
panic("Slice length less than minimum")
}
C.alGetListeneriv(C.ALenum(param), (*C.ALint)(unsafe.Pointer(&values[0])))
}
func GenSource() uint32 {
var csource C.ALuint
C.alGenSources(1, &csource)
stats.Sources++
return uint32(csource)
}
func GenSources(sources []uint32) {
C.alGenSources(C.ALsizei(len(sources)), (*C.ALuint)(unsafe.Pointer(&sources[0])))
stats.Sources += len(sources)
}
func DeleteSource(source uint32) {
C.alDeleteSources(1, (*C.ALuint)(unsafe.Pointer(&source)))
stats.Sources--
}
func DeleteSources(sources []uint32) {
C.alDeleteSources(C.ALsizei(len(sources)), (*C.ALuint)(unsafe.Pointer(&sources[0])))
stats.Sources -= len(sources)
}
func IsSource(source uint32) bool {
cres := C.alIsSource(C.ALuint(source))
if cres == C.AL_TRUE {
return true
}
return false
}
func Sourcef(source uint32, param uint32, value float32) {
C.alSourcef(C.ALuint(source), C.ALenum(param), C.ALfloat(value))
}
func Source3f(source uint32, param uint32, value1, value2, value3 float32) {
C.alSource3f(C.ALuint(source), C.ALenum(param), C.ALfloat(value1), C.ALfloat(value2), C.ALfloat(value3))
}
func Sourcefv(source uint32, param uint32, values []float32) {
if len(values) < 3 {
panic("Slice length less than minimum")
}
C.alSourcefv(C.ALuint(source), C.ALenum(param), (*C.ALfloat)(unsafe.Pointer(&values[0])))
}
func Sourcei(source uint32, param uint32, value int32) {
C.alSourcei(C.ALuint(source), C.ALenum(param), C.ALint(value))
}
func Source3i(source uint32, param uint32, value1, value2, value3 int32) {
C.alSource3i(C.ALuint(source), C.ALenum(param), C.ALint(value1), C.ALint(value2), C.ALint(value3))
}
func Sourceiv(source uint32, param uint32, values []int32) {
if len(values) < 3 {
panic("Slice length less than minimum")
}
C.alSourceiv(C.ALuint(source), C.ALenum(param), (*C.ALint)(unsafe.Pointer(&values[0])))
}
func GetSourcef(source uint32, param uint32) float32 {
var value C.ALfloat
C.alGetSourcef(C.ALuint(source), C.ALenum(param), &value)
return float32(value)
}
func GetSource3f(source uint32, param uint32) (float32, float32, float32) {
var cval1 C.ALfloat
var cval2 C.ALfloat
var cval3 C.ALfloat
C.alGetSource3f(C.ALuint(source), C.ALenum(param), &cval1, &cval2, &cval3)
return float32(cval1), float32(cval2), float32(cval3)
}
func GetSourcefv(source uint32, param uint32, values []float32) {
if len(values) < 3 {
panic("Slice length less than minimum")
}
C.alGetSourcefv(C.ALuint(source), C.ALenum(param), (*C.ALfloat)(unsafe.Pointer(&values[0])))
}
func GetSourcei(source uint32, param uint32) int32 {
var value C.ALint
C.alGetSourcei(C.ALuint(source), C.ALenum(param), &value)
return int32(value)
}
func GetSource3i(source uint32, param uint32) (int32, int32, int32) {
var cval1 C.ALint
var cval2 C.ALint
var cval3 C.ALint
C.alGetSource3i(C.ALuint(source), C.ALenum(param), &cval1, &cval2, &cval3)
return int32(cval1), int32(cval2), int32(cval3)
}
func GetSourceiv(source uint32, param uint32, values []int32) {
if len(values) < 3 {
panic("Slice length less than minimum")
}
C.alGetSourceiv(C.ALuint(source), C.ALenum(param), (*C.ALint)(unsafe.Pointer(&values[0])))
}
func SourcePlayv(sources []uint32) {
C.alSourcePlayv(C.ALsizei(len(sources)), (*C.ALuint)(unsafe.Pointer(&sources[0])))
}
func SourceStopv(sources []uint32) {
C.alSourceStopv(C.ALsizei(len(sources)), (*C.ALuint)(unsafe.Pointer(&sources[0])))
}
func SourceRewindv(sources []uint32) {
C.alSourceRewindv(C.ALsizei(len(sources)), (*C.ALuint)(unsafe.Pointer(&sources[0])))
}
func SourcePausev(sources []uint32) {
C.alSourcePausev(C.ALsizei(len(sources)), (*C.ALuint)(unsafe.Pointer(&sources[0])))
}
func SourcePlay(source uint32) {
C.alSourcePlay(C.ALuint(source))
}
func SourceStop(source uint32) {
C.alSourceStop(C.ALuint(source))
}
func SourceRewind(source uint32) {
C.alSourceRewind(C.ALuint(source))
}
func SourcePause(source uint32) {
C.alSourcePause(C.ALuint(source))
}
func SourceQueueBuffers(source uint32, buffers ...uint32) {
C.alSourceQueueBuffers(C.ALuint(source), C.ALsizei(len(buffers)), (*C.ALuint)(unsafe.Pointer(&buffers[0])))
}
func SourceUnqueueBuffers(source uint32, n uint32, buffers []uint32) {
removed := make([]C.ALuint, n)
C.alSourceUnqueueBuffers(C.ALuint(source), C.ALsizei(n), &removed[0])
}
func GenBuffers(n uint32) []uint32 {
buffers := make([]uint32, n)
C.alGenBuffers(C.ALsizei(len(buffers)), (*C.ALuint)(unsafe.Pointer(&buffers[0])))
return buffers
}
func DeleteBuffers(buffers []uint32) {
C.alDeleteBuffers(C.ALsizei(len(buffers)), (*C.ALuint)(unsafe.Pointer(&buffers[0])))
}
func IsBuffer(buffer uint32) bool {
cres := C.alIsBuffer(C.ALuint(buffer))
if cres == C.AL_TRUE {
return true
}
return false
}
func BufferData(buffer uint32, format uint32, data unsafe.Pointer, size uint32, freq uint32) {
C.alBufferData(C.ALuint(buffer), C.ALenum(format), data, C.ALsizei(size), C.ALsizei(freq))
}
func Bufferf(buffer uint32, param uint32, value float32) {
C.alBufferf(C.ALuint(buffer), C.ALenum(param), C.ALfloat(value))
}
func Buffer3f(buffer uint32, param uint32, value1, value2, value3 float32) {
C.alBuffer3f(C.ALuint(buffer), C.ALenum(param), C.ALfloat(value1), C.ALfloat(value2), C.ALfloat(value3))
}
func Bufferfv(buffer uint32, param uint32, values []float32) {
C.alBufferfv(C.ALuint(buffer), C.ALenum(param), (*C.ALfloat)(unsafe.Pointer(&values[0])))
}
func Bufferi(buffer uint32, param uint32, value int32) {
C.alBufferi(C.ALuint(buffer), C.ALenum(param), C.ALint(value))
}
func Buffer3i(buffer uint32, param uint32, value1, value2, value3 int32) {
C.alBuffer3i(C.ALuint(buffer), C.ALenum(param), C.ALint(value1), C.ALint(value2), C.ALint(value3))
}
func Bufferiv(buffer uint32, param uint32, values []int32) {
C.alBufferiv(C.ALuint(buffer), C.ALenum(param), (*C.ALint)(unsafe.Pointer(&values[0])))
}
func GetBufferf(buffer uint32, param uint32) float32 {
var value C.ALfloat
C.alGetBufferf(C.ALuint(buffer), C.ALenum(param), &value)
return float32(value)
}
func GetBuffer3f(buffer uint32, param uint32) (v1 float32, v2 float32, v3 float32) {
var value1, value2, value3 C.ALfloat
C.alGetBuffer3f(C.ALuint(buffer), C.ALenum(param), &value1, &value2, &value3)
return float32(value1), float32(value2), float32(value3)
}
func GetBufferfv(buffer uint32, param uint32, values []float32) {
C.alGetBufferfv(C.ALuint(buffer), C.ALenum(param), (*C.ALfloat)(unsafe.Pointer(&values[0])))
}
func GetBufferi(buffer uint32, param uint32) int32 {
var value C.ALint
C.alGetBufferi(C.ALuint(buffer), C.ALenum(param), &value)
return int32(value)
}
func GetBuffer3i(buffer uint32, param uint32) (int32, int32, int32) {
var value1, value2, value3 C.ALint
C.alGetBuffer3i(C.ALuint(buffer), C.ALenum(param), &value1, &value2, &value3)
return int32(value1), int32(value2), int32(value3)
}
func GetBufferiv(buffer uint32, param uint32, values []int32) {
C.alGetBufferiv(C.ALuint(buffer), C.ALenum(param), (*C.ALint)(unsafe.Pointer(&values[0])))
}