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Side by Side Diff: Source/modules/webaudio/AsyncAudioDecoder.h

Issue 723143002: bindings: Transition from ArrayBuffer to DOMArrayBuffer, part 3. (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 6 years, 1 month ago
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1 /* 1 /*
2 * Copyright (C) 2011, Google Inc. All rights reserved. 2 * Copyright (C) 2011, 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 AN Y
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 14 * 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 AN Y
17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND O N 19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND O N
20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 */ 23 */
24 24
25 #ifndef AsyncAudioDecoder_h 25 #ifndef AsyncAudioDecoder_h
26 #define AsyncAudioDecoder_h 26 #define AsyncAudioDecoder_h
27 27
28 #include "platform/heap/Handle.h" 28 #include "platform/heap/Handle.h"
29 #include "public/platform/WebThread.h" 29 #include "public/platform/WebThread.h"
30 #include "wtf/Forward.h"
31 #include "wtf/OwnPtr.h" 30 #include "wtf/OwnPtr.h"
32 31
33 namespace blink { 32 namespace blink {
34 33
35 class AudioBuffer; 34 class AudioBuffer;
36 class AudioBufferCallback; 35 class AudioBufferCallback;
37 class AudioBus; 36 class AudioBus;
37 class DOMArrayBuffer;
38 38
39 // AsyncAudioDecoder asynchronously decodes audio file data from an ArrayBuffer in a worker thread. 39 // AsyncAudioDecoder asynchronously decodes audio file data from a DOMArrayBuffe r in a worker thread.
40 // Upon successful decoding, a completion callback will be invoked with the deco ded PCM data in an AudioBuffer. 40 // Upon successful decoding, a completion callback will be invoked with the deco ded PCM data in an AudioBuffer.
41 41
42 class AsyncAudioDecoder { 42 class AsyncAudioDecoder {
43 WTF_MAKE_NONCOPYABLE(AsyncAudioDecoder); 43 WTF_MAKE_NONCOPYABLE(AsyncAudioDecoder);
44 public: 44 public:
45 AsyncAudioDecoder(); 45 AsyncAudioDecoder();
46 ~AsyncAudioDecoder(); 46 ~AsyncAudioDecoder();
47 47
48 // Must be called on the main thread. 48 // Must be called on the main thread.
49 void decodeAsync(ArrayBuffer* audioData, float sampleRate, AudioBufferCallba ck* successCallback, AudioBufferCallback* errorCallback); 49 void decodeAsync(DOMArrayBuffer* audioData, float sampleRate, AudioBufferCal lback* successCallback, AudioBufferCallback* errorCallback);
50 50
51 private: 51 private:
52 AudioBuffer* createAudioBufferFromAudioBus(AudioBus*); 52 AudioBuffer* createAudioBufferFromAudioBus(AudioBus*);
53 static void decode(ArrayBuffer* audioData, float sampleRate, AudioBufferCall back* successCallback, AudioBufferCallback* errorCallback); 53 static void decode(DOMArrayBuffer* audioData, float sampleRate, AudioBufferC allback* successCallback, AudioBufferCallback* errorCallback);
54 static void notifyComplete(ArrayBuffer* audioData, AudioBufferCallback* succ essCallback, AudioBufferCallback* errorCallback, AudioBus*); 54 static void notifyComplete(DOMArrayBuffer* audioData, AudioBufferCallback* s uccessCallback, AudioBufferCallback* errorCallback, AudioBus*);
55 55
56 OwnPtr<WebThread> m_thread; 56 OwnPtr<WebThread> m_thread;
57 }; 57 };
58 58
59 } // namespace blink 59 } // namespace blink
60 60
61 #endif // AsyncAudioDecoder_h 61 #endif // AsyncAudioDecoder_h
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