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Wwise SDK 2023.1.2
AkSpeakerVolumes.h
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1 /*******************************************************************************
2 The content of this file includes portions of the AUDIOKINETIC Wwise Technology
3 released in source code form as part of the SDK installer package.
4 
5 Commercial License Usage
6 
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8 may use this file in accordance with the end user license agreement provided
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10 written agreement between you and Audiokinetic Inc.
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12 Apache License Usage
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14 Alternatively, this file may be used under the Apache License, Version 2.0 (the
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24  Copyright (c) 2024 Audiokinetic Inc.
25 *******************************************************************************/
26 
27 // AkSpeakerVolumes.h
28 
29 /// \file
30 /// Multi-channel volume definitions and services.
31 /// Always associated with an AkChannelConfig. In the case of standard configurations, the volume items ordering
32 /// match the bit ordering in the channel mask, except for the LFE which is skipped and placed at the end of the
33 /// volume array.
34 /// Refer to \ref goingfurther_speakermatrixcallback for an example of how to manipulate speaker volume vectors/matrices.
35 
36 #ifndef _AK_SPEAKER_VOLUMES_H_
37 #define _AK_SPEAKER_VOLUMES_H_
38 
40 #include <AK/SoundEngine/Platforms/Generic/AkSpeakerVolumes.h>
42 
43 namespace AK
44 {
45 /// Multi-channel volume definitions and services.
46 namespace SpeakerVolumes
47 {
48  typedef AkReal32 * VectorPtr; ///< Volume vector. Access each element with the standard bracket [] operator.
49  typedef AkReal32 * MatrixPtr; ///< Volume matrix. Access each input channel vector with AK::SpeakerVolumes::Matrix::GetChannel().
50  typedef const AkReal32 * ConstVectorPtr; ///< Constant volume vector. Access each element with the standard bracket [] operator.
51  typedef const AkReal32 * ConstMatrixPtr; ///< Constant volume matrix. Access each input channel vector with AK::SpeakerVolumes::Matrix::GetChannel().
52 
53  /// Volume vector services.
54  namespace Vector
55  {
56  /// Copy volumes.
57  AkForceInline void Copy( VectorPtr in_pVolumesDst, ConstVectorPtr in_pVolumesSrc, AkUInt32 in_uNumChannels )
58  {
59  AKASSERT( ( in_pVolumesDst && in_pVolumesSrc ) || in_uNumChannels == 0 );
60  if ( in_uNumChannels )
61  memcpy( in_pVolumesDst, in_pVolumesSrc, in_uNumChannels * sizeof( AkReal32 ) );
62  }
63 
64  /// Copy volumes with gain.
65  AkForceInline void Copy( VectorPtr in_pVolumesDst, ConstVectorPtr in_pVolumesSrc, AkUInt32 in_uNumChannels, AkReal32 in_fGain )
66  {
67  AKASSERT( ( in_pVolumesDst && in_pVolumesSrc ) || in_uNumChannels == 0 );
68  for ( AkUInt32 uChan = 0; uChan < in_uNumChannels; uChan++ )
69  {
70  in_pVolumesDst[uChan] = in_pVolumesSrc[uChan] * in_fGain;
71  }
72  }
73 
74  /// Clear volumes.
75  AkForceInline void Zero( VectorPtr in_pVolumes, AkUInt32 in_uNumChannels )
76  {
77  AKASSERT( in_pVolumes || in_uNumChannels == 0 );
78  if ( in_uNumChannels )
79  memset( in_pVolumes, 0, in_uNumChannels * sizeof( AkReal32 ) );
80  }
81 
82  /// Accumulate two volume vectors.
83  AkForceInline void Add( VectorPtr in_pVolumesDst, ConstVectorPtr in_pVolumesSrc, AkUInt32 in_uNumChannels )
84  {
85  AKASSERT( ( in_pVolumesDst && in_pVolumesSrc ) || in_uNumChannels == 0 );
86  for ( AkUInt32 uChan = 0; uChan < in_uNumChannels; uChan++ )
87  {
88  in_pVolumesDst[uChan] += in_pVolumesSrc[uChan];
89  }
90  }
91 
92  /// Compute the sum of all components of a volume vector.
93  AkForceInline AkReal32 L1Norm(ConstVectorPtr io_pVolumes, AkUInt32 in_uNumChannels)
94  {
95  AkReal32 total = 0;
96  AKASSERT((io_pVolumes) || in_uNumChannels == 0);
97  for (AkUInt32 uChan = 0; uChan < in_uNumChannels; uChan++)
98  {
99  total += io_pVolumes[uChan];
100  }
101 
102  return total;
103  }
104 
105  /// Multiply volume vector with a scalar.
106  AkForceInline void Mul( VectorPtr in_pVolumesDst, const AkReal32 in_fVol, AkUInt32 in_uNumChannels )
107  {
108  AKASSERT( in_pVolumesDst || in_uNumChannels == 0 );
109  for ( AkUInt32 uChan = 0; uChan < in_uNumChannels; uChan++ )
110  {
111  in_pVolumesDst[uChan] *= in_fVol;
112  }
113  }
114 
115  /// Multiply two volume vectors.
116  AkForceInline void Mul( VectorPtr in_pVolumesDst, ConstVectorPtr in_pVolumesSrc, AkUInt32 in_uNumChannels )
117  {
118  AKASSERT( ( in_pVolumesDst && in_pVolumesSrc ) || in_uNumChannels == 0 );
119  for ( AkUInt32 uChan = 0; uChan < in_uNumChannels; uChan++ )
120  {
121  in_pVolumesDst[uChan] *= in_pVolumesSrc[uChan];
122  }
123  }
124 
125  /// Get max for all elements of two volume vectors, independently.
126  AkForceInline void Max( AkReal32 * in_pVolumesDst, const AkReal32 * in_pVolumesSrc, AkUInt32 in_uNumChannels )
127  {
128  AKASSERT( ( in_pVolumesDst && in_pVolumesSrc ) || in_uNumChannels == 0 );
129  for ( AkUInt32 uChan = 0; uChan < in_uNumChannels; uChan++ )
130  {
131  in_pVolumesDst[uChan] = AkMax( in_pVolumesDst[uChan], in_pVolumesSrc[uChan] );
132  }
133  }
134 
135  /// Get min for all elements of two volume vectors, independently.
136  AkForceInline void Min( AkReal32 * in_pVolumesDst, const AkReal32 * in_pVolumesSrc, AkUInt32 in_uNumChannels )
137  {
138  AKASSERT( ( in_pVolumesDst && in_pVolumesSrc ) || in_uNumChannels == 0 );
139  for ( AkUInt32 uChan = 0; uChan < in_uNumChannels; uChan++ )
140  {
141  in_pVolumesDst[uChan] = AkMin( in_pVolumesDst[uChan], in_pVolumesSrc[uChan] );
142  }
143  }
144  }
145 
146  /// Volume matrix (multi-in/multi-out channel configurations) services.
147  namespace Matrix
148  {
149  /// Compute size (in bytes) required for given channel configurations.
150  AkForceInline AkUInt32 GetRequiredSize( AkUInt32 in_uNumChannelsIn, AkUInt32 in_uNumChannelsOut )
151  {
152  return in_uNumChannelsIn * Vector::GetRequiredSize( in_uNumChannelsOut );
153  }
154 
155  /// Compute size (in number of elements) required for given channel configurations.
156  AkForceInline AkUInt32 GetNumElements( AkUInt32 in_uNumChannelsIn, AkUInt32 in_uNumChannelsOut )
157  {
158  return in_uNumChannelsIn * Vector::GetNumElements( in_uNumChannelsOut );
159  }
160 
161  /// Get pointer to volume distribution for input channel in_uIdxChannelIn.
162  AkForceInline VectorPtr GetChannel( MatrixPtr in_pVolumeMx, AkUInt32 in_uIdxChannelIn, AkUInt32 in_uNumChannelsOut )
163  {
164  AKASSERT( in_pVolumeMx );
165  return in_pVolumeMx + in_uIdxChannelIn * Vector::GetNumElements( in_uNumChannelsOut );
166  }
167 
168  /// Get pointer to volume distribution for input channel in_uIdxChannelIn.
169  AkForceInline ConstVectorPtr GetChannel( ConstMatrixPtr in_pVolumeMx, AkUInt32 in_uIdxChannelIn, AkUInt32 in_uNumChannelsOut )
170  {
171  AKASSERT( in_pVolumeMx );
172  return in_pVolumeMx + in_uIdxChannelIn * Vector::GetNumElements( in_uNumChannelsOut );
173  }
174 
175  /// Copy matrix.
176  AkForceInline void Copy( MatrixPtr in_pVolumesDst, ConstMatrixPtr in_pVolumesSrc, AkUInt32 in_uNumChannelsIn, AkUInt32 in_uNumChannelsOut )
177  {
178  AkUInt32 uNumElements = Matrix::GetNumElements( in_uNumChannelsIn, in_uNumChannelsOut );
179  AKASSERT( ( in_pVolumesDst && in_pVolumesSrc ) || uNumElements == 0 );
180  if ( uNumElements )
181  memcpy( in_pVolumesDst, in_pVolumesSrc, uNumElements * sizeof( AkReal32 ) );
182  }
183 
184  /// Copy matrix with gain.
185  AkForceInline void Copy( MatrixPtr in_pVolumesDst, ConstMatrixPtr in_pVolumesSrc, AkUInt32 in_uNumChannelsIn, AkUInt32 in_uNumChannelsOut, AkReal32 in_fGain )
186  {
187  AkUInt32 uNumElements = Matrix::GetNumElements( in_uNumChannelsIn, in_uNumChannelsOut );
188  AKASSERT( ( in_pVolumesDst && in_pVolumesSrc ) || uNumElements == 0 );
189  for ( AkUInt32 uChan = 0; uChan < uNumElements; uChan++ )
190  {
191  in_pVolumesDst[uChan] = in_pVolumesSrc[uChan] * in_fGain;
192  }
193  }
194 
195  /// Clear matrix.
196  AkForceInline void Zero( MatrixPtr in_pVolumes, AkUInt32 in_uNumChannelsIn, AkUInt32 in_uNumChannelsOut )
197  {
198  AkUInt32 uNumElements = Matrix::GetNumElements( in_uNumChannelsIn, in_uNumChannelsOut );
199  AKASSERT( in_pVolumes || uNumElements == 0 );
200  if ( uNumElements )
201  memset( in_pVolumes, 0, uNumElements * sizeof( AkReal32 ) );
202  }
203 
204  /// Multiply a matrix with a scalar.
205  AkForceInline void Mul( MatrixPtr in_pVolumesDst, const AkReal32 in_fVol, AkUInt32 in_uNumChannelsIn, AkUInt32 in_uNumChannelsOut )
206  {
207  AkUInt32 uNumElements = Matrix::GetNumElements( in_uNumChannelsIn, in_uNumChannelsOut );
208  AKASSERT( in_pVolumesDst || uNumElements == 0 );
209  for ( AkUInt32 uChan = 0; uChan < uNumElements; uChan++ )
210  {
211  in_pVolumesDst[uChan] *= in_fVol;
212  }
213  }
214 
215  /// Add all elements of two volume matrices, independently.
216  AkForceInline void Add(MatrixPtr in_pVolumesDst, ConstMatrixPtr in_pVolumesSrc, AkUInt32 in_uNumChannelsIn, AkUInt32 in_uNumChannelsOut)
217  {
218  AkUInt32 uNumElements = Matrix::GetNumElements(in_uNumChannelsIn, in_uNumChannelsOut);
219  AKASSERT((in_pVolumesDst && in_pVolumesSrc) || uNumElements == 0);
220  for (AkUInt32 uChan = 0; uChan < uNumElements; uChan++)
221  {
222  in_pVolumesDst[uChan] += in_pVolumesSrc[uChan];
223  }
224  }
225 
226  /// Pointwise Multiply-Add of all elements of two volume matrices.
227  AkForceInline void MAdd(MatrixPtr in_pVolumesDst, ConstMatrixPtr in_pVolumesSrc, AkUInt32 in_uNumChannelsIn, AkUInt32 in_uNumChannelsOut, AkReal32 in_fGain)
228  {
229  AkUInt32 uNumElements = Matrix::GetNumElements(in_uNumChannelsIn, in_uNumChannelsOut);
230  AKASSERT((in_pVolumesDst && in_pVolumesSrc) || uNumElements == 0);
231  for (AkUInt32 uChan = 0; uChan < uNumElements; uChan++)
232  {
233  in_pVolumesDst[uChan] += in_pVolumesSrc[uChan] * in_fGain;
234  }
235  }
236 
237  /// Get absolute max for all elements of two volume matrices, independently.
238  AkForceInline void AbsMax(MatrixPtr in_pVolumesDst, ConstMatrixPtr in_pVolumesSrc, AkUInt32 in_uNumChannelsIn, AkUInt32 in_uNumChannelsOut)
239  {
240  AkUInt32 uNumElements = Matrix::GetNumElements( in_uNumChannelsIn, in_uNumChannelsOut );
241  AKASSERT( ( in_pVolumesDst && in_pVolumesSrc ) || uNumElements == 0 );
242  for ( AkUInt32 uChan = 0; uChan < uNumElements; uChan++ )
243  {
244  in_pVolumesDst[uChan] = ((in_pVolumesDst[uChan] * in_pVolumesDst[uChan]) > (in_pVolumesSrc[uChan] * in_pVolumesSrc[uChan])) ? in_pVolumesDst[uChan] : in_pVolumesSrc[uChan];
245  }
246  }
247 
248  /// Get max for all elements of two volume matrices, independently.
249  AkForceInline void Max(MatrixPtr in_pVolumesDst, ConstMatrixPtr in_pVolumesSrc, AkUInt32 in_uNumChannelsIn, AkUInt32 in_uNumChannelsOut)
250  {
251  AkUInt32 uNumElements = Matrix::GetNumElements(in_uNumChannelsIn, in_uNumChannelsOut);
252  AKASSERT((in_pVolumesDst && in_pVolumesSrc) || uNumElements == 0);
253  for (AkUInt32 uChan = 0; uChan < uNumElements; uChan++)
254  {
255  in_pVolumesDst[uChan] = (in_pVolumesDst[uChan] > in_pVolumesSrc[uChan]) ? in_pVolumesDst[uChan] : in_pVolumesSrc[uChan];
256  }
257  }
258  }
259 }
260 }
261 
262 #endif //_AK_SPEAKER_VOLUMES_H_
#define AkMin(x1, x2)
AkForceInline void Copy(VectorPtr in_pVolumesDst, ConstVectorPtr in_pVolumesSrc, AkUInt32 in_uNumChannels)
Copy volumes.
Audiokinetic namespace
#define AkMax(x1, x2)
AkForceInline AkReal32 L1Norm(ConstVectorPtr io_pVolumes, AkUInt32 in_uNumChannels)
Compute the sum of all components of a volume vector.
AkForceInline void Max(AkReal32 *in_pVolumesDst, const AkReal32 *in_pVolumesSrc, AkUInt32 in_uNumChannels)
Get max for all elements of two volume vectors, independently.
AkForceInline AkUInt32 GetRequiredSize(AkUInt32 in_uNumChannelsIn, AkUInt32 in_uNumChannelsOut)
Compute size (in bytes) required for given channel configurations.
AkForceInline void Zero(MatrixPtr in_pVolumes, AkUInt32 in_uNumChannelsIn, AkUInt32 in_uNumChannelsOut)
Clear matrix.
AkForceInline AkUInt32 GetNumElements(AkUInt32 in_uNumChannelsIn, AkUInt32 in_uNumChannelsOut)
Compute size (in number of elements) required for given channel configurations.
float AkReal32
32-bit floating point
AkForceInline void AbsMax(MatrixPtr in_pVolumesDst, ConstMatrixPtr in_pVolumesSrc, AkUInt32 in_uNumChannelsIn, AkUInt32 in_uNumChannelsOut)
Get absolute max for all elements of two volume matrices, independently.
AkReal32 * VectorPtr
Volume vector. Access each element with the standard bracket [] operator.
AkForceInline VectorPtr GetChannel(MatrixPtr in_pVolumeMx, AkUInt32 in_uIdxChannelIn, AkUInt32 in_uNumChannelsOut)
Get pointer to volume distribution for input channel in_uIdxChannelIn.
#define AKASSERT(Condition)
Definition: AkAssert.h:67
AkForceInline void Add(MatrixPtr in_pVolumesDst, ConstMatrixPtr in_pVolumesSrc, AkUInt32 in_uNumChannelsIn, AkUInt32 in_uNumChannelsOut)
Add all elements of two volume matrices, independently.
const AkReal32 * ConstMatrixPtr
Constant volume matrix. Access each input channel vector with AK::SpeakerVolumes::Matrix::GetChannel(...
AkForceInline void Zero(VectorPtr in_pVolumes, AkUInt32 in_uNumChannels)
Clear volumes.
AkForceInline void MAdd(MatrixPtr in_pVolumesDst, ConstMatrixPtr in_pVolumesSrc, AkUInt32 in_uNumChannelsIn, AkUInt32 in_uNumChannelsOut, AkReal32 in_fGain)
Pointwise Multiply-Add of all elements of two volume matrices.
AkForceInline void Add(VectorPtr in_pVolumesDst, ConstVectorPtr in_pVolumesSrc, AkUInt32 in_uNumChannels)
Accumulate two volume vectors.
AkReal32 * MatrixPtr
Volume matrix. Access each input channel vector with AK::SpeakerVolumes::Matrix::GetChannel().
AkForceInline void Mul(MatrixPtr in_pVolumesDst, const AkReal32 in_fVol, AkUInt32 in_uNumChannelsIn, AkUInt32 in_uNumChannelsOut)
Multiply a matrix with a scalar.
uint32_t AkUInt32
Unsigned 32-bit integer
AkForceInline void Copy(MatrixPtr in_pVolumesDst, ConstMatrixPtr in_pVolumesSrc, AkUInt32 in_uNumChannelsIn, AkUInt32 in_uNumChannelsOut)
Copy matrix.
AkForceInline void Max(MatrixPtr in_pVolumesDst, ConstMatrixPtr in_pVolumesSrc, AkUInt32 in_uNumChannelsIn, AkUInt32 in_uNumChannelsOut)
Get max for all elements of two volume matrices, independently.
#define AkForceInline
Definition: AkTypes.h:63
const AkReal32 * ConstVectorPtr
Constant volume vector. Access each element with the standard bracket [] operator.
AkForceInline void Min(AkReal32 *in_pVolumesDst, const AkReal32 *in_pVolumesSrc, AkUInt32 in_uNumChannels)
Get min for all elements of two volume vectors, independently.
AkForceInline void Mul(VectorPtr in_pVolumesDst, const AkReal32 in_fVol, AkUInt32 in_uNumChannels)
Multiply volume vector with a scalar.

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