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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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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 AudioChannel_h | 29 #ifndef AudioChannel_h |
30 #define AudioChannel_h | 30 #define AudioChannel_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 #include "wtf/PassOwnPtr.h" | 34 #include "wtf/PassOwnPtr.h" |
35 | 35 |
36 namespace WebCore { | 36 namespace blink { |
37 | 37 |
38 // An AudioChannel represents a buffer of non-interleaved floating-point audio s
amples. | 38 // An AudioChannel represents a buffer of non-interleaved floating-point audio s
amples. |
39 // The PCM samples are normally assumed to be in a nominal range -1.0 -> +1.0 | 39 // The PCM samples are normally assumed to be in a nominal range -1.0 -> +1.0 |
40 class PLATFORM_EXPORT AudioChannel { | 40 class PLATFORM_EXPORT AudioChannel { |
41 WTF_MAKE_NONCOPYABLE(AudioChannel); | 41 WTF_MAKE_NONCOPYABLE(AudioChannel); |
42 public: | 42 public: |
43 // Memory can be externally referenced, or can be internally allocated with
an AudioFloatArray. | 43 // Memory can be externally referenced, or can be internally allocated with
an AudioFloatArray. |
44 | 44 |
45 // Reference an external buffer. | 45 // Reference an external buffer. |
46 AudioChannel(float* storage, size_t length) | 46 AudioChannel(float* storage, size_t length) |
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131 size_t m_length; | 131 size_t m_length; |
132 | 132 |
133 float* m_rawPointer; | 133 float* m_rawPointer; |
134 OwnPtr<AudioFloatArray> m_memBuffer; | 134 OwnPtr<AudioFloatArray> m_memBuffer; |
135 bool m_silent; | 135 bool m_silent; |
136 }; | 136 }; |
137 | 137 |
138 } // WebCore | 138 } // WebCore |
139 | 139 |
140 #endif // AudioChannel_h | 140 #endif // AudioChannel_h |
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