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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 | 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND |
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
16 * ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE | 16 * ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE |
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | 17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | 18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
19 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | 19 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
20 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | 20 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | 21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH | 22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH |
23 * DAMAGE. | 23 * DAMAGE. |
24 */ | 24 */ |
25 | 25 |
| 26 #include "modules/webaudio/DelayProcessor.h" |
| 27 #include <memory> |
26 #include "modules/webaudio/DelayDSPKernel.h" | 28 #include "modules/webaudio/DelayDSPKernel.h" |
27 #include "modules/webaudio/DelayProcessor.h" | |
28 #include "platform/audio/AudioUtilities.h" | 29 #include "platform/audio/AudioUtilities.h" |
29 #include "wtf/PtrUtil.h" | 30 #include "wtf/PtrUtil.h" |
30 #include <memory> | |
31 | 31 |
32 namespace blink { | 32 namespace blink { |
33 | 33 |
34 DelayProcessor::DelayProcessor(float sampleRate, | 34 DelayProcessor::DelayProcessor(float sampleRate, |
35 unsigned numberOfChannels, | 35 unsigned numberOfChannels, |
36 AudioParamHandler& delayTime, | 36 AudioParamHandler& delayTime, |
37 double maxDelayTime) | 37 double maxDelayTime) |
38 : AudioDSPKernelProcessor(sampleRate, numberOfChannels), | 38 : AudioDSPKernelProcessor(sampleRate, numberOfChannels), |
39 m_delayTime(delayTime), | 39 m_delayTime(delayTime), |
40 m_maxDelayTime(maxDelayTime) {} | 40 m_maxDelayTime(maxDelayTime) {} |
41 | 41 |
42 DelayProcessor::~DelayProcessor() { | 42 DelayProcessor::~DelayProcessor() { |
43 if (isInitialized()) | 43 if (isInitialized()) |
44 uninitialize(); | 44 uninitialize(); |
45 } | 45 } |
46 | 46 |
47 std::unique_ptr<AudioDSPKernel> DelayProcessor::createKernel() { | 47 std::unique_ptr<AudioDSPKernel> DelayProcessor::createKernel() { |
48 return WTF::makeUnique<DelayDSPKernel>(this); | 48 return WTF::makeUnique<DelayDSPKernel>(this); |
49 } | 49 } |
50 | 50 |
51 void DelayProcessor::processOnlyAudioParams(size_t framesToProcess) { | 51 void DelayProcessor::processOnlyAudioParams(size_t framesToProcess) { |
52 DCHECK_LE(framesToProcess, AudioUtilities::kRenderQuantumFrames); | 52 DCHECK_LE(framesToProcess, AudioUtilities::kRenderQuantumFrames); |
53 | 53 |
54 float values[AudioUtilities::kRenderQuantumFrames]; | 54 float values[AudioUtilities::kRenderQuantumFrames]; |
55 | 55 |
56 m_delayTime->calculateSampleAccurateValues(values, framesToProcess); | 56 m_delayTime->calculateSampleAccurateValues(values, framesToProcess); |
57 } | 57 } |
58 | 58 |
59 } // namespace blink | 59 } // namespace blink |
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