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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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24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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 AudioSourceProvider_h | 29 #ifndef AudioSourceProvider_h |
30 #define AudioSourceProvider_h | 30 #define AudioSourceProvider_h |
31 | 31 |
32 #include "platform/PlatformExport.h" | 32 #include "platform/PlatformExport.h" |
33 | 33 |
34 namespace WebCore { | 34 namespace blink { |
35 | 35 |
36 class AudioBus; | 36 class AudioBus; |
37 class AudioSourceProviderClient; | 37 class AudioSourceProviderClient; |
38 | 38 |
39 // Abstract base-class for a pull-model client. | 39 // Abstract base-class for a pull-model client. |
40 class PLATFORM_EXPORT AudioSourceProvider { | 40 class PLATFORM_EXPORT AudioSourceProvider { |
41 public: | 41 public: |
42 // provideInput() gets called repeatedly to render time-slices of a continuo
us audio stream. | 42 // provideInput() gets called repeatedly to render time-slices of a continuo
us audio stream. |
43 virtual void provideInput(AudioBus* bus, size_t framesToProcess) = 0; | 43 virtual void provideInput(AudioBus* bus, size_t framesToProcess) = 0; |
44 | 44 |
45 // If a client is set, we call it back when the audio format is available or
changes. | 45 // If a client is set, we call it back when the audio format is available or
changes. |
46 virtual void setClient(AudioSourceProviderClient*) { }; | 46 virtual void setClient(AudioSourceProviderClient*) { }; |
47 | 47 |
48 virtual ~AudioSourceProvider() { } | 48 virtual ~AudioSourceProvider() { } |
49 }; | 49 }; |
50 | 50 |
51 } // WebCore | 51 } // WebCore |
52 | 52 |
53 #endif // AudioSourceProvider_h | 53 #endif // AudioSourceProvider_h |
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