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
|
/**
* OpenAL cross platform audio library
* Copyright (C) 1999-2007 by authors.
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
* Or go to http://www.gnu.org/copyleft/lgpl.html
*/
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include "alError.h"
#include "alMain.h"
#include "alFilter.h"
#include "alEffect.h"
#include "alAuxEffectSlot.h"
#include "alSource.h"
#include "alBuffer.h"
#include "AL/al.h"
#include "AL/alc.h"
const struct EffectList EffectList[] = {
{ "eaxreverb", EAXREVERB, "AL_EFFECT_EAXREVERB", AL_EFFECT_EAXREVERB },
{ "reverb", REVERB, "AL_EFFECT_REVERB", AL_EFFECT_REVERB },
{ "chorus", CHORUS, "AL_EFFECT_CHORUS", AL_EFFECT_CHORUS },
{ "compressor", COMPRESSOR, "AL_EFFECT_COMPRESSOR", AL_EFFECT_COMPRESSOR },
{ "distortion", DISTORTION, "AL_EFFECT_DISTORTION", AL_EFFECT_DISTORTION },
{ "echo", ECHO, "AL_EFFECT_ECHO", AL_EFFECT_ECHO },
{ "equalizer", EQUALIZER, "AL_EFFECT_EQUALIZER", AL_EFFECT_EQUALIZER },
{ "flanger", FLANGER, "AL_EFFECT_FLANGER", AL_EFFECT_FLANGER },
{ "modulator", MODULATOR, "AL_EFFECT_RING_MODULATOR", AL_EFFECT_RING_MODULATOR },
{ "dedicated", DEDICATED, "AL_EFFECT_DEDICATED_LOW_FREQUENCY_EFFECT", AL_EFFECT_DEDICATED_LOW_FREQUENCY_EFFECT },
{ "dedicated", DEDICATED, "AL_EFFECT_DEDICATED_DIALOGUE", AL_EFFECT_DEDICATED_DIALOGUE },
{ NULL, 0, NULL, (ALenum)0 }
};
AL_API ALboolean AL_APIENTRY alIsExtensionPresent(const ALchar *extName)
{
ALboolean ret = AL_FALSE;
ALCcontext *context;
const char *ptr;
size_t len;
context = GetContextRef();
if(!context) return AL_FALSE;
if(!(extName))
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
len = strlen(extName);
ptr = context->ExtensionList;
while(ptr && *ptr)
{
if(strncasecmp(ptr, extName, len) == 0 &&
(ptr[len] == '\0' || isspace(ptr[len])))
{
ret = AL_TRUE;
break;
}
if((ptr=strchr(ptr, ' ')) != NULL)
{
do {
++ptr;
} while(isspace(*ptr));
}
}
done:
ALCcontext_DecRef(context);
return ret;
}
AL_API ALvoid* AL_APIENTRY alGetProcAddress(const ALchar *funcName)
{
if(!funcName)
return NULL;
return alcGetProcAddress(NULL, funcName);
}
AL_API ALenum AL_APIENTRY alGetEnumValue(const ALchar *enumName)
{
if(!enumName)
return (ALenum)0;
return alcGetEnumValue(NULL, enumName);
}
|
