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Side by Side Diff: third_party/WebKit/public/platform/WebAudioBus.h

Issue 2387113002: reflow comments in public/platform/ (Closed)
Patch Set: nit Created 4 years, 2 months ago
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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 * 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
11 * documentation and/or other materials provided with the distribution. 11 * documentation and/or other materials provided with the distribution.
12 * 12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND AN Y 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR AN Y 16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR
17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 17 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND O N 19 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 20 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 21 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 22 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 */ 23 */
24 24
25 #ifndef WebAudioBus_h 25 #ifndef WebAudioBus_h
26 #define WebAudioBus_h 26 #define WebAudioBus_h
27 27
28 #include "WebCommon.h" 28 #include "WebCommon.h"
29 29
30 #if INSIDE_BLINK 30 #if INSIDE_BLINK
31 namespace WTF { 31 namespace WTF {
32 template <typename T> 32 template <typename T>
33 class PassRefPtr; 33 class PassRefPtr;
34 } 34 }
35 #endif 35 #endif
36 36
37 namespace blink { 37 namespace blink {
38 38
39 class AudioBus; 39 class AudioBus;
40 40
41 // A container for multi-channel linear PCM audio data. 41 // A container for multi-channel linear PCM audio data.
42 // 42 //
43 // WARNING: It is not safe to pass a WebAudioBus across threads!!! 43 // WARNING: It is not safe to pass a WebAudioBus across threads!!!
44 // 44 //
45 class BLINK_PLATFORM_EXPORT WebAudioBus { 45 class BLINK_PLATFORM_EXPORT WebAudioBus {
46 public: 46 public:
47 WebAudioBus() : m_private(0) {} 47 WebAudioBus() : m_private(0) {}
48 ~WebAudioBus() { reset(); } 48 ~WebAudioBus() { reset(); }
49 49
50 // initialize() allocates memory of the given length for the given number of c hannels. 50 // initialize() allocates memory of the given length for the given number of
51 // channels.
51 void initialize(unsigned numberOfChannels, size_t length, double sampleRate); 52 void initialize(unsigned numberOfChannels, size_t length, double sampleRate);
52 53
53 // resizeSmaller() can only be called after initialize() with a new length <= the initialization length. 54 // resizeSmaller() can only be called after initialize() with a new length <=
54 // The data stored in the bus will remain undisturbed. 55 // the initialization length. The data stored in the bus will remain
56 // undisturbed.
55 void resizeSmaller(size_t newLength); 57 void resizeSmaller(size_t newLength);
56 58
57 // reset() releases the memory allocated from initialize(). 59 // reset() releases the memory allocated from initialize().
58 void reset(); 60 void reset();
59 61
60 unsigned numberOfChannels() const; 62 unsigned numberOfChannels() const;
61 size_t length() const; 63 size_t length() const;
62 double sampleRate() const; 64 double sampleRate() const;
63 65
64 float* channelData(unsigned channelIndex); 66 float* channelData(unsigned channelIndex);
65 67
66 #if INSIDE_BLINK 68 #if INSIDE_BLINK
67 WTF::PassRefPtr<AudioBus> release(); 69 WTF::PassRefPtr<AudioBus> release();
68 #endif 70 #endif
69 71
70 private: 72 private:
71 // Disallow copy and assign. 73 // Disallow copy and assign.
72 WebAudioBus(const WebAudioBus&); 74 WebAudioBus(const WebAudioBus&);
73 void operator=(const WebAudioBus&); 75 void operator=(const WebAudioBus&);
74 76
75 AudioBus* m_private; 77 AudioBus* m_private;
76 }; 78 };
77 79
78 } // namespace blink 80 } // namespace blink
79 81
80 #endif // WebAudioBus_h 82 #endif // WebAudioBus_h
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