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
|
/*
* Modification History
*
* 2004-August-9 Jason Rohrer
* Created.
*
* 2004-August-12 Jason Rohrer
* Added support for getting blocks of samples.
*
* 2004-August-15 Jason Rohrer
* Added function that generates a playable sound.
*/
#ifndef STEREO_SOUND_PARAMETER_SPACE_CONTROL_POINT_INCLUDED
#define STEREO_SOUND_PARAMETER_SPACE_CONTROL_POINT_INCLUDED
#include "ParameterSpaceControlPoint.h"
#include "SoundParameterSpaceControlPoint.h"
#include "SoundSamples.h"
#include "PlayableSound.h"
#include <stdio.h>
/**
* A control point in a 1-D parameterized stereo sound space.
*
* @author Jason Rohrer.
*/
class StereoSoundParameterSpaceControlPoint :
public ParameterSpaceControlPoint {
public:
/**
* Constructs a control point.
*
* @param inLeftPoint the left control point.
* Will be destroyed when this class is destroyed.
* @param inRightPoint the right control point.
* Will be destroyed when this class is destroyed.
*/
StereoSoundParameterSpaceControlPoint(
SoundParameterSpaceControlPoint *inLeftPoint,
SoundParameterSpaceControlPoint *inRightPoint );
/**
* Constructs a control point by reading values from a text file
* stream.
*
* @param inFILE the open file to read from.
* Must be closed by caller.
* @param outError pointer to where error flag should be returned.
* Destination will be set to true if reading a control point
* from inFILE fails.
*/
StereoSoundParameterSpaceControlPoint( FILE *inFILE, char *outError );
virtual ~StereoSoundParameterSpaceControlPoint();
// implements the ParameterSpaceControlPoint interface
ParameterSpaceControlPoint *copy();
ParameterSpaceControlPoint *createLinearBlend(
ParameterSpaceControlPoint *inOtherPoint,
double inWeightOfOtherPoint );
/**
* Gets a block of samples from this control point.
*
* @param inStartSample the index of the first sample to get.
* @param inSampleCount the number of samples to get.
* @param inSamplesPerSecond the current sample rate.
* @param inSoundLengthInSeconds the total length of the sound being
* played.
*
* @return the samples.
* Must be destroyed by caller.
*/
SoundSamples *getSoundSamples( unsigned long inStartSample,
unsigned long inSampleCount,
unsigned long inSamplesPerSecond,
double inSoundLengthInSeconds );
/**
* Gets a playable sound from this control point.
*
* @param inSamplesPerSecond the sample rate.
* @param inSoundLengthInSeconds the length of the sound.
*
* @return a playable sound.
* Must be destroyed by caller.
*/
PlayableSound *getPlayableSound( unsigned long inSamplesPerSecond,
double inSoundLengthInSeconds );
// these are public so that other Stereo Sound points can access
// them when performing a blend.
SoundParameterSpaceControlPoint *mLeftPoint;
SoundParameterSpaceControlPoint *mRightPoint;
};
#endif
|
