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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 "public/platform/WebThread.h" | 29 #include "public/platform/WebThread.h" |
29 #include "wtf/Forward.h" | 30 #include "wtf/Forward.h" |
30 #include "wtf/OwnPtr.h" | 31 #include "wtf/OwnPtr.h" |
31 | 32 |
32 namespace WebCore { | 33 namespace WebCore { |
33 | 34 |
34 class AudioBuffer; | 35 class AudioBuffer; |
35 class AudioBufferCallback; | 36 class AudioBufferCallback; |
| 37 class AudioBus; |
36 | 38 |
37 // AsyncAudioDecoder asynchronously decodes audio file data from an ArrayBuffer
in a worker thread. | 39 // AsyncAudioDecoder asynchronously decodes audio file data from an ArrayBuffer
in a worker thread. |
38 // 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. |
39 | 41 |
40 class AsyncAudioDecoder { | 42 class AsyncAudioDecoder { |
41 WTF_MAKE_NONCOPYABLE(AsyncAudioDecoder); | 43 WTF_MAKE_NONCOPYABLE(AsyncAudioDecoder); |
42 public: | 44 public: |
43 AsyncAudioDecoder(); | 45 AsyncAudioDecoder(); |
44 ~AsyncAudioDecoder(); | 46 ~AsyncAudioDecoder(); |
45 | 47 |
46 // Must be called on the main thread. | 48 // Must be called on the main thread. |
47 void decodeAsync(ArrayBuffer* audioData, float sampleRate, PassOwnPtr<AudioB
ufferCallback> successCallback, PassOwnPtr<AudioBufferCallback> errorCallback); | 49 void decodeAsync(ArrayBuffer* audioData, float sampleRate, PassOwnPtr<AudioB
ufferCallback> successCallback, PassOwnPtr<AudioBufferCallback> errorCallback); |
48 | 50 |
49 private: | 51 private: |
| 52 PassRefPtrWillBeRawPtr<AudioBuffer> createAudioBufferFromAudioBus(AudioBus*)
; |
50 static void decode(ArrayBuffer* audioData, float sampleRate, AudioBufferCall
back* successCallback, AudioBufferCallback* errorCallback); | 53 static void decode(ArrayBuffer* audioData, float sampleRate, AudioBufferCall
back* successCallback, AudioBufferCallback* errorCallback); |
51 static void notifyComplete(ArrayBuffer* audioData, AudioBufferCallback* succ
essCallback, AudioBufferCallback* errorCallback, AudioBuffer*); | 54 static void notifyComplete(ArrayBuffer* audioData, AudioBufferCallback* succ
essCallback, AudioBufferCallback* errorCallback, AudioBus*); |
52 | 55 |
53 OwnPtr<blink::WebThread> m_thread; | 56 OwnPtr<blink::WebThread> m_thread; |
54 }; | 57 }; |
55 | 58 |
56 } // namespace WebCore | 59 } // namespace WebCore |
57 | 60 |
58 #endif // AsyncAudioDecoder_h | 61 #endif // AsyncAudioDecoder_h |
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