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Side by Side Diff: third_party/WebKit/Source/modules/webaudio/WaveShaperDSPKernel.cpp

Issue 2050123002: Remove OwnPtr from Blink. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: First attempt to land. Created 4 years, 6 months 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 #include "modules/webaudio/WaveShaperDSPKernel.h" 25 #include "modules/webaudio/WaveShaperDSPKernel.h"
26 #include "wtf/PtrUtil.h"
26 #include "wtf/Threading.h" 27 #include "wtf/Threading.h"
27 #include <algorithm> 28 #include <algorithm>
28 29
29 const unsigned RenderingQuantum = 128; 30 const unsigned RenderingQuantum = 128;
30 31
31 namespace blink { 32 namespace blink {
32 33
33 WaveShaperDSPKernel::WaveShaperDSPKernel(WaveShaperProcessor* processor) 34 WaveShaperDSPKernel::WaveShaperDSPKernel(WaveShaperProcessor* processor)
34 : AudioDSPKernel(processor) 35 : AudioDSPKernel(processor)
35 { 36 {
36 if (processor->oversample() != WaveShaperProcessor::OverSampleNone) 37 if (processor->oversample() != WaveShaperProcessor::OverSampleNone)
37 lazyInitializeOversampling(); 38 lazyInitializeOversampling();
38 } 39 }
39 40
40 void WaveShaperDSPKernel::lazyInitializeOversampling() 41 void WaveShaperDSPKernel::lazyInitializeOversampling()
41 { 42 {
42 if (!m_tempBuffer) { 43 if (!m_tempBuffer) {
43 m_tempBuffer = adoptPtr(new AudioFloatArray(RenderingQuantum * 2)); 44 m_tempBuffer = wrapUnique(new AudioFloatArray(RenderingQuantum * 2));
44 m_tempBuffer2 = adoptPtr(new AudioFloatArray(RenderingQuantum * 4)); 45 m_tempBuffer2 = wrapUnique(new AudioFloatArray(RenderingQuantum * 4));
45 m_upSampler = adoptPtr(new UpSampler(RenderingQuantum)); 46 m_upSampler = wrapUnique(new UpSampler(RenderingQuantum));
46 m_downSampler = adoptPtr(new DownSampler(RenderingQuantum * 2)); 47 m_downSampler = wrapUnique(new DownSampler(RenderingQuantum * 2));
47 m_upSampler2 = adoptPtr(new UpSampler(RenderingQuantum * 2)); 48 m_upSampler2 = wrapUnique(new UpSampler(RenderingQuantum * 2));
48 m_downSampler2 = adoptPtr(new DownSampler(RenderingQuantum * 4)); 49 m_downSampler2 = wrapUnique(new DownSampler(RenderingQuantum * 4));
49 } 50 }
50 } 51 }
51 52
52 void WaveShaperDSPKernel::process(const float* source, float* destination, size_ t framesToProcess) 53 void WaveShaperDSPKernel::process(const float* source, float* destination, size_ t framesToProcess)
53 { 54 {
54 switch (getWaveShaperProcessor()->oversample()) { 55 switch (getWaveShaperProcessor()->oversample()) {
55 case WaveShaperProcessor::OverSampleNone: 56 case WaveShaperProcessor::OverSampleNone:
56 processCurve(source, destination, framesToProcess); 57 processCurve(source, destination, framesToProcess);
57 break; 58 break;
58 case WaveShaperProcessor::OverSample2x: 59 case WaveShaperProcessor::OverSample2x:
(...skipping 136 matching lines...) Expand 10 before | Expand all | Expand 10 after
195 } 196 }
196 default: 197 default:
197 ASSERT_NOT_REACHED(); 198 ASSERT_NOT_REACHED();
198 } 199 }
199 200
200 return static_cast<double>(latencyFrames) / sampleRate(); 201 return static_cast<double>(latencyFrames) / sampleRate();
201 } 202 }
202 203
203 } // namespace blink 204 } // namespace blink
204 205
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