버전
menu_open
link
Wwise SDK 2018.1.11
AkSpeakerVolumes.h
Go to the documentation of this file.
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.
18 
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
21 OR CONDITIONS OF ANY KIND, either express or implied. See the Apache License for
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 
AkTypes.h
AK
Audiokinetic namespace.
Definition: AkWwiseSDKVersion.cs:31
AK::SpeakerVolumes::Matrix::GetRequiredSize
AkForceInline AkUInt32 GetRequiredSize(AkUInt32 in_uNumChannelsIn, AkUInt32 in_uNumChannelsOut)
Compute size (in bytes) required for given channel configurations.
Definition: AkSpeakerVolumes.h:151
AkForceInline
#define AkForceInline
Force inlining.
Definition: AkTypes.h:63
AK::SpeakerVolumes::Matrix::GetNumElements
AkForceInline AkUInt32 GetNumElements(AkUInt32 in_uNumChannelsIn, AkUInt32 in_uNumChannelsOut)
Compute size (in number of elements) required for given channel configurations.
Definition: AkSpeakerVolumes.h:157
AkUInt32
uint32_t AkUInt32
Unsigned 32-bit integer.
Definition: AkTypes.h:79
AkReal32
float AkReal32
32-bit floating point
Definition: AkTypes.h:97

이 페이지가 도움이 되었나요?

지원이 필요하신가요?

질문이 있으신가요? 문제를 겪고 계신가요? 더 많은 정보가 필요하신가요? 저희에게 문의해주시면 도와드리겠습니다!

지원 페이지를 방문해 주세요

작업하는 프로젝트에 대해 알려주세요. 언제든지 도와드릴 준비가 되어 있습니다.

프로젝트를 등록하세요. 아무런 조건이나 의무 사항 없이 빠른 시작을 도와드리겠습니다.

Wwise를 시작해 보세요