Table of Contents

Wwise SDK 2019.1.9
AkSpeakerVolumes.h
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 
7 Licensees holding valid commercial licenses to the AUDIOKINETIC Wwise Technology
8 may use this file in accordance with the end user license agreement provided
9 with the software or, alternatively, in accordance with the terms contained in a
10 written agreement between you and Audiokinetic Inc.
11 
12 Apache License Usage
13 
14 Alternatively, this file may be used under the Apache License, Version 2.0 (the
15 "Apache License"); you may not use this file except in compliance with the
16 Apache License. You may obtain a copy of the Apache License at
17 http://www.apache.org/licenses/LICENSE-2.0.
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19 Unless required by applicable law or agreed to in writing, software distributed
20 under the Apache License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES
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22 the specific language governing permissions and limitations under the License.
23 
24  Version: <VERSION> Build: <BUILDNUMBER>
25  Copyright (c) <COPYRIGHTYEAR> Audiokinetic Inc.
26 *******************************************************************************/
27 
28 // AkSpeakerVolumes.h
29 
30 /// \file
31 /// AK::SpeakerVolumes extension - Generic implementation
32 
33 #ifndef _AKSPEAKERVOLUMES_GENERIC_H_
34 #define _AKSPEAKERVOLUMES_GENERIC_H_
35 
36 #include <AK/SoundEngine/Common/AkTypes.h>
37 
38 #if defined( AK_CPU_ARM_NEON ) || ( ( defined( AK_CPU_X86 ) || defined( AK_CPU_X86_64 ) ) && !defined(AK_IOS) )
39 
40  #define AKSIMD_SPEAKER_VOLUME
41 
42 #endif
43 
44 #ifdef AKSIMD_SPEAKER_VOLUME
45 
46 
47 
48 // Extend AK::SpeakerVolumes. AKSIMD implementation
49 namespace AK
50 {
51 namespace SpeakerVolumes
52 {
53  namespace Vector
54  {
55 #ifdef AKSIMD_V4F32_SUPPORTED
56 #define SIZEOF_AKSIMD_V4F32 16
57 #define SIZEOF_AKSIMD_F32 4
58  /// Compute size (in number of v4 elements) required for given number of channels in vector.
59  AkForceInline AkUInt32 GetNumV4F32( AkUInt32 in_uNumChannels )
60  {
61  return (in_uNumChannels + SIZEOF_AKSIMD_F32 - 1) >> 2;
62  }
63 
64  /// Compute size (in number of elements/floats) required for given number of channels in vector.
65  AkForceInline AkUInt32 GetNumElements( AkUInt32 in_uNumChannels )
66  {
67  return GetNumV4F32( in_uNumChannels ) * 4;
68  }
69 
70  /// Compute size (in bytes) required for given number of channels in vector.
71  AkForceInline AkUInt32 GetRequiredSize( AkUInt32 in_uNumChannels )
72  {
73  return GetNumV4F32( in_uNumChannels ) * SIZEOF_AKSIMD_V4F32;
74  }
75 
76 #elif defined (AKSIMD_V2F32_SUPPORTED)
77 #define SIZEOF_AKSIMD_V2F32 8
78 
79  /// Compute size (in number of paired-single elements) required for given number of channels in vector.
80  AkForceInline AkUInt32 GetNumV2F32( AkUInt32 in_uNumChannels )
81  {
82  return ( in_uNumChannels + ( SIZEOF_AKSIMD_V2F32 / 2 ) - 1 ) >> 1;
83  }
84 
85  /// Compute size (in number of elements/floats) required for given number of channels in vector.
86  AkForceInline AkUInt32 GetNumElements( AkUInt32 in_uNumChannels )
87  {
88  return GetNumV2F32( in_uNumChannels ) * 2;
89  }
90 
91  /// Compute size (in bytes) required for given number of channels in vector.
92  AkForceInline AkUInt32 GetRequiredSize( AkUInt32 in_uNumChannels )
93  {
94  return GetNumV2F32( in_uNumChannels ) * SIZEOF_AKSIMD_V2F32;
95  }
96 
97 #else
98 #error Should use scalar implementation.
99 #endif
100  }
101 }
102 }
103 
104 #else
105 
106 // Extend AK::SpeakerVolumes. Scalar implementation.
107 namespace AK
108 {
109 namespace SpeakerVolumes
110 {
111  namespace Vector
112  {
113  /// Compute size (in bytes) required for given channel configuration.
114  AkForceInline AkUInt32 GetRequiredSize( AkUInt32 in_uNumChannels )
115  {
116  return in_uNumChannels * sizeof( AkReal32 );
117  }
118 
119  AkForceInline AkUInt32 GetNumElements( AkUInt32 in_uNumChannels )
120  {
121  return in_uNumChannels;
122  }
123  }
124 }
125 }
126 
127 #endif // AKSIMD_SPEAKER_VOLUME
128 
129 #endif //_AKSPEAKERVOLUMES_GENERIC_H_
130 
131 
132 
Audiokinetic namespace.
AkForceInline AkUInt32 GetRequiredSize(AkUInt32 in_uNumChannelsIn, AkUInt32 in_uNumChannelsOut)
Compute size (in bytes) required for given channel configurations.
AkForceInline AkUInt32 GetNumElements(AkUInt32 in_uNumChannelsIn, AkUInt32 in_uNumChannelsOut)
Compute size (in number of elements) required for given channel configurations.