| OLD | NEW |
| 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 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
| 8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
| 10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
| (...skipping 27 matching lines...) Expand all Loading... |
| 38 class WebAudioBusPrivate; | 38 class WebAudioBusPrivate; |
| 39 | 39 |
| 40 // A container for multi-channel linear PCM audio data. | 40 // A container for multi-channel linear PCM audio data. |
| 41 // | 41 // |
| 42 // WARNING: It is not safe to pass a WebAudioBus across threads!!! | 42 // WARNING: It is not safe to pass a WebAudioBus across threads!!! |
| 43 // | 43 // |
| 44 class WebAudioBus { | 44 class WebAudioBus { |
| 45 public: | 45 public: |
| 46 WebAudioBus() : m_private(0) { } | 46 WebAudioBus() : m_private(0) { } |
| 47 ~WebAudioBus() { reset(); } | 47 ~WebAudioBus() { reset(); } |
| 48 | 48 |
| 49 // initialize() allocates memory of the given length for the given number of
channels. | 49 // initialize() allocates memory of the given length for the given number of
channels. |
| 50 WEBKIT_EXPORT void initialize(unsigned numberOfChannels, size_t length, doub
le sampleRate); | 50 WEBKIT_EXPORT void initialize(unsigned numberOfChannels, size_t length, doub
le sampleRate); |
| 51 | 51 |
| 52 // resizeSmaller() can only be called after initialize() with a new length <
= the initialization length. | 52 // resizeSmaller() can only be called after initialize() with a new length <
= the initialization length. |
| 53 // The data stored in the bus will remain undisturbed. | 53 // The data stored in the bus will remain undisturbed. |
| 54 WEBKIT_EXPORT void resizeSmaller(size_t newLength); | 54 WEBKIT_EXPORT void resizeSmaller(size_t newLength); |
| 55 | 55 |
| 56 // reset() releases the memory allocated from initialize(). | 56 // reset() releases the memory allocated from initialize(). |
| 57 WEBKIT_EXPORT void reset(); | 57 WEBKIT_EXPORT void reset(); |
| 58 | 58 |
| 59 WEBKIT_EXPORT unsigned numberOfChannels() const; | 59 WEBKIT_EXPORT unsigned numberOfChannels() const; |
| 60 WEBKIT_EXPORT size_t length() const; | 60 WEBKIT_EXPORT size_t length() const; |
| 61 WEBKIT_EXPORT double sampleRate() const; | 61 WEBKIT_EXPORT double sampleRate() const; |
| 62 | 62 |
| 63 WEBKIT_EXPORT float* channelData(unsigned channelIndex); | 63 WEBKIT_EXPORT float* channelData(unsigned channelIndex); |
| 64 | 64 |
| 65 #if WEBKIT_IMPLEMENTATION | 65 #if WEBKIT_IMPLEMENTATION |
| 66 WTF::PassRefPtr<WebCore::AudioBus> release(); | 66 WTF::PassRefPtr<WebCore::AudioBus> release(); |
| 67 #endif | 67 #endif |
| 68 | 68 |
| 69 private: | 69 private: |
| 70 // Disallow copy and assign. | 70 // Disallow copy and assign. |
| 71 WebAudioBus(const WebAudioBus&); | 71 WebAudioBus(const WebAudioBus&); |
| 72 void operator=(const WebAudioBus&); | 72 void operator=(const WebAudioBus&); |
| 73 | 73 |
| 74 WebCore::AudioBus* m_private; | 74 WebCore::AudioBus* m_private; |
| 75 }; | 75 }; |
| 76 | 76 |
| 77 } // namespace WebKit | 77 } // namespace WebKit |
| 78 | 78 |
| 79 #endif // WebAudioBus_h | 79 #endif // WebAudioBus_h |
| OLD | NEW |