aboutsummaryrefslogtreecommitdiffstats
path: root/Alc/effects/null.cpp
blob: 9cb73e7299726e7e3d0656b93c703429f642fe5b (plain)
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
#include "config.h"

#include <cstdlib>

#include "AL/al.h"
#include "AL/alc.h"

#include "alMain.h"
#include "alcontext.h"
#include "alAuxEffectSlot.h"
#include "alError.h"


struct ALnullState final : public EffectState {
    ALnullState();
    ~ALnullState() override;

    ALboolean deviceUpdate(const ALCdevice *device) override;
    void update(const ALCcontext *context, const ALeffectslot *slot, const ALeffectProps *props, const EffectTarget target) override;
    void process(ALsizei samplesToDo, const ALfloat (*RESTRICT samplesIn)[BUFFERSIZE], ALfloat (*RESTRICT samplesOut)[BUFFERSIZE], ALsizei numChannels) override;

    DEF_NEWDEL(ALnullState)
};

/* This constructs the effect state. It's called when the object is first
 * created.
 */
ALnullState::ALnullState()
{
}

/* This destructs the effect state. It's called only when the effect slot is no
 * longer used prior to being freed.
 */
ALnullState::~ALnullState()
{
}

/* This updates the device-dependant effect state. This is called on
 * initialization and any time the device parameters (eg. playback frequency,
 * format) have been changed.
 */
ALboolean ALnullState::deviceUpdate(const ALCdevice* UNUSED(device))
{
    return AL_TRUE;
}

/* This updates the effect state. This is called any time the effect is
 * (re)loaded into a slot.
 */
void ALnullState::update(const ALCcontext* UNUSED(context), const ALeffectslot* UNUSED(slot), const ALeffectProps* UNUSED(props), const EffectTarget UNUSED(target))
{
}

/* This processes the effect state, for the given number of samples from the
 * input to the output buffer. The result should be added to the output buffer,
 * not replace it.
 */
void ALnullState::process(ALsizei UNUSED(samplesToDo), const ALfloat (*RESTRICT UNUSED(samplesIn))[BUFFERSIZE], ALfloat (*RESTRICT UNUSED(samplesOut))[BUFFERSIZE], ALsizei UNUSED(numChannels))
{
}


struct NullStateFactory final : public EffectStateFactory {
    EffectState *create() override;
};

/* Creates ALeffectState objects of the appropriate type. */
EffectState *NullStateFactory::create()
{ return new ALnullState{}; }

EffectStateFactory *NullStateFactory_getFactory(void)
{
    static NullStateFactory NullFactory{};
    return &NullFactory;
}


void ALnull_setParami(ALeffect *UNUSED(effect), ALCcontext *context, ALenum param, ALint UNUSED(val))
{
    switch(param)
    {
    default:
        alSetError(context, AL_INVALID_ENUM, "Invalid null effect integer property 0x%04x", param);
    }
}
void ALnull_setParamiv(ALeffect *UNUSED(effect), ALCcontext *context, ALenum param, const ALint* UNUSED(vals))
{
    switch(param)
    {
    default:
        alSetError(context, AL_INVALID_ENUM, "Invalid null effect integer-vector property 0x%04x", param);
    }
}
void ALnull_setParamf(ALeffect *UNUSED(effect), ALCcontext *context, ALenum param, ALfloat UNUSED(val))
{
    switch(param)
    {
    default:
        alSetError(context, AL_INVALID_ENUM, "Invalid null effect float property 0x%04x", param);
    }
}
void ALnull_setParamfv(ALeffect *UNUSED(effect), ALCcontext *context, ALenum param, const ALfloat* UNUSED(vals))
{
    switch(param)
    {
    default:
        alSetError(context, AL_INVALID_ENUM, "Invalid null effect float-vector property 0x%04x", param);
    }
}

void ALnull_getParami(const ALeffect *UNUSED(effect), ALCcontext *context, ALenum param, ALint* UNUSED(val))
{
    switch(param)
    {
    default:
        alSetError(context, AL_INVALID_ENUM, "Invalid null effect integer property 0x%04x", param);
    }
}
void ALnull_getParamiv(const ALeffect *UNUSED(effect), ALCcontext *context, ALenum param, ALint* UNUSED(vals))
{
    switch(param)
    {
    default:
        alSetError(context, AL_INVALID_ENUM, "Invalid null effect integer-vector property 0x%04x", param);
    }
}
void ALnull_getParamf(const ALeffect *UNUSED(effect), ALCcontext *context, ALenum param, ALfloat* UNUSED(val))
{
    switch(param)
    {
    default:
        alSetError(context, AL_INVALID_ENUM, "Invalid null effect float property 0x%04x", param);
    }
}
void ALnull_getParamfv(const ALeffect *UNUSED(effect), ALCcontext *context, ALenum param, ALfloat* UNUSED(vals))
{
    switch(param)
    {
    default:
        alSetError(context, AL_INVALID_ENUM, "Invalid null effect float-vector property 0x%04x", param);
    }
}

DEFINE_ALEFFECT_VTABLE(ALnull);