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1 /* | 1 /* |
2 * Copyright (C) 2010 Google Inc. All rights reserved. | 2 * Copyright (C) 2010 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * | 7 * |
8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
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25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 */ | 27 */ |
28 | 28 |
29 #ifndef FFTFrame_h | 29 #ifndef FFTFrame_h |
30 #define FFTFrame_h | 30 #define FFTFrame_h |
31 | 31 |
32 #include "platform/PlatformExport.h" | 32 #include "platform/PlatformExport.h" |
33 #include "platform/audio/AudioArray.h" | 33 #include "platform/audio/AudioArray.h" |
34 | 34 |
35 #if OS(MACOSX) && !USE(WEBAUDIO_FFMPEG) | 35 #if OS(MACOSX) |
36 #define USE_ACCELERATE_FFT 1 | |
37 #else | |
38 #define USE_ACCELERATE_FFT 0 | |
39 #endif | |
40 | |
41 #if USE_ACCELERATE_FFT | |
42 #include <Accelerate/Accelerate.h> | 36 #include <Accelerate/Accelerate.h> |
43 #endif | 37 #elif USE(WEBAUDIO_OPENMAX_DL_FFT) |
44 | |
45 #if !USE_ACCELERATE_FFT | |
46 | |
47 #if USE(WEBAUDIO_OPENMAX_DL_FFT) | |
48 #include <dl/sp/api/omxSP.h> | 38 #include <dl/sp/api/omxSP.h> |
49 #elif USE(WEBAUDIO_FFMPEG) | 39 #elif USE(WEBAUDIO_FFMPEG) |
50 struct RDFTContext; | 40 struct RDFTContext; |
51 #endif | 41 #endif |
52 | 42 |
53 #endif // !USE_ACCELERATE_FFT | |
54 | |
55 #if USE(WEBAUDIO_IPP) | 43 #if USE(WEBAUDIO_IPP) |
56 #include <ipps.h> | 44 #include <ipps.h> |
57 #endif // USE(WEBAUDIO_IPP) | 45 #endif // USE(WEBAUDIO_IPP) |
58 | 46 |
59 #include "wtf/Forward.h" | 47 #include "wtf/Forward.h" |
60 #include "wtf/PassOwnPtr.h" | 48 #include "wtf/PassOwnPtr.h" |
61 #include "wtf/Threading.h" | 49 #include "wtf/Threading.h" |
62 | 50 |
63 namespace WebCore { | 51 namespace WebCore { |
64 | 52 |
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97 | 85 |
98 unsigned fftSize() const { return m_FFTSize; } | 86 unsigned fftSize() const { return m_FFTSize; } |
99 unsigned log2FFTSize() const { return m_log2FFTSize; } | 87 unsigned log2FFTSize() const { return m_log2FFTSize; } |
100 | 88 |
101 private: | 89 private: |
102 unsigned m_FFTSize; | 90 unsigned m_FFTSize; |
103 unsigned m_log2FFTSize; | 91 unsigned m_log2FFTSize; |
104 | 92 |
105 void interpolateFrequencyComponents(const FFTFrame& frame1, const FFTFrame&
frame2, double x); | 93 void interpolateFrequencyComponents(const FFTFrame& frame1, const FFTFrame&
frame2, double x); |
106 | 94 |
107 #if USE_ACCELERATE_FFT | 95 #if OS(MACOSX) |
108 DSPSplitComplex& dspSplitComplex() { return m_frame; } | 96 DSPSplitComplex& dspSplitComplex() { return m_frame; } |
109 DSPSplitComplex dspSplitComplex() const { return m_frame; } | 97 DSPSplitComplex dspSplitComplex() const { return m_frame; } |
110 | 98 |
111 static FFTSetup fftSetupForSize(unsigned fftSize); | 99 static FFTSetup fftSetupForSize(unsigned fftSize); |
112 | 100 |
113 static FFTSetup* fftSetups; | 101 static FFTSetup* fftSetups; |
114 | 102 |
115 FFTSetup m_FFTSetup; | 103 FFTSetup m_FFTSetup; |
116 | 104 |
117 DSPSplitComplex m_frame; | 105 DSPSplitComplex m_frame; |
118 AudioFloatArray m_realData; | 106 AudioFloatArray m_realData; |
119 AudioFloatArray m_imagData; | 107 AudioFloatArray m_imagData; |
120 #else // !USE_ACCELERATE_FFT | 108 #else // !OS(MACOSX) |
121 | 109 |
122 #if USE(WEBAUDIO_FFMPEG) | 110 #if USE(WEBAUDIO_FFMPEG) |
123 static RDFTContext* contextForSize(unsigned fftSize, int trans); | 111 static RDFTContext* contextForSize(unsigned fftSize, int trans); |
124 | 112 |
125 RDFTContext* m_forwardContext; | 113 RDFTContext* m_forwardContext; |
126 RDFTContext* m_inverseContext; | 114 RDFTContext* m_inverseContext; |
127 | 115 |
128 float* getUpToDateComplexData(); | 116 float* getUpToDateComplexData(); |
129 AudioFloatArray m_complexData; | 117 AudioFloatArray m_complexData; |
130 AudioFloatArray m_realData; | 118 AudioFloatArray m_realData; |
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145 static OMXFFTSpec_R_F32* contextForSize(unsigned log2FFTSize); | 133 static OMXFFTSpec_R_F32* contextForSize(unsigned log2FFTSize); |
146 | 134 |
147 OMXFFTSpec_R_F32* m_forwardContext; | 135 OMXFFTSpec_R_F32* m_forwardContext; |
148 OMXFFTSpec_R_F32* m_inverseContext; | 136 OMXFFTSpec_R_F32* m_inverseContext; |
149 | 137 |
150 AudioFloatArray m_complexData; | 138 AudioFloatArray m_complexData; |
151 AudioFloatArray m_realData; | 139 AudioFloatArray m_realData; |
152 AudioFloatArray m_imagData; | 140 AudioFloatArray m_imagData; |
153 #endif | 141 #endif |
154 | 142 |
155 #endif // !USE_ACCELERATE_FFT | 143 #endif // !OS(MACOSX) |
156 }; | 144 }; |
157 | 145 |
158 } // namespace WebCore | 146 } // namespace WebCore |
159 | 147 |
160 #endif // FFTFrame_h | 148 #endif // FFTFrame_h |
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