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1 /* | 1 /* |
2 * Copyright (C) 2012 Google Inc. All rights reserved. | 2 * Copyright (C) 2012 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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22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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 AudioIOCallback_h | 29 #ifndef AudioIOCallback_h |
30 #define AudioIOCallback_h | 30 #define AudioIOCallback_h |
31 | 31 |
| 32 #include "public/platform/WebAudioDevice.h" |
| 33 |
32 namespace blink { | 34 namespace blink { |
33 | 35 |
34 class AudioBus; | 36 class AudioBus; |
35 | 37 |
36 // Abstract base-class for isochronous audio I/O client. | 38 // Abstract base-class for isochronous audio I/O client. |
37 class AudioIOCallback { | 39 class AudioIOCallback { |
38 public: | 40 public: |
39 // render() is called periodically to get the next render quantum of audio i
nto destinationBus. | 41 // render() is called periodically to get the next render quantum of audio i
nto destinationBus. |
40 // Optional audio input is given in sourceBus (if it's not 0). | 42 // Optional audio input is given in sourceBus (if it's not 0). |
41 virtual void render(AudioBus* sourceBus, AudioBus* destinationBus, size_t fr
amesToProcess) = 0; | 43 virtual void render(AudioBus* sourceBus, AudioBus* destinationBus, size_t fr
amesToProcess, const WebAudioTimestamp&) = 0; |
42 | 44 |
43 virtual ~AudioIOCallback() { } | 45 virtual ~AudioIOCallback() { } |
44 }; | 46 }; |
45 | 47 |
46 } // namespace blink | 48 } // namespace blink |
47 | 49 |
48 #endif // AudioIOCallback_h | 50 #endif // AudioIOCallback_h |
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