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Side by Side Diff: third_party/WebKit/Source/platform/audio/ReverbConvolver.cpp

Issue 2080623002: Revert "Remove OwnPtr from Blink." (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 6 months ago
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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
11 * notice, this list of conditions and the following disclaimer in the 11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution. 12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14 * its contributors may be used to endorse or promote products derived 14 * its contributors may be used to endorse or promote products derived
15 * from this software without specific prior written permission. 15 * from this software without specific prior written permission.
16 * 16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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 #include "platform/audio/ReverbConvolver.h"
29 #include "platform/ThreadSafeFunctional.h" 30 #include "platform/ThreadSafeFunctional.h"
30 #include "platform/audio/AudioBus.h" 31 #include "platform/audio/AudioBus.h"
31 #include "platform/audio/ReverbConvolver.h"
32 #include "platform/audio/VectorMath.h" 32 #include "platform/audio/VectorMath.h"
33 #include "public/platform/Platform.h" 33 #include "public/platform/Platform.h"
34 #include "public/platform/WebTaskRunner.h" 34 #include "public/platform/WebTaskRunner.h"
35 #include "public/platform/WebThread.h" 35 #include "public/platform/WebThread.h"
36 #include "public/platform/WebTraceLocation.h" 36 #include "public/platform/WebTraceLocation.h"
37 #include "wtf/PtrUtil.h"
38 #include <memory>
39 37
40 namespace blink { 38 namespace blink {
41 39
42 using namespace VectorMath; 40 using namespace VectorMath;
43 41
44 const int InputBufferSize = 8 * 16384; 42 const int InputBufferSize = 8 * 16384;
45 43
46 // We only process the leading portion of the impulse response in the real-time thread. We don't exceed this length. 44 // We only process the leading portion of the impulse response in the real-time thread. We don't exceed this length.
47 // It turns out then, that the background thread has about 278msec of scheduling slop. 45 // It turns out then, that the background thread has about 278msec of scheduling slop.
48 // Empirically, this has been found to be a good compromise between giving enoug h time for scheduling slop, 46 // Empirically, this has been found to be a good compromise between giving enoug h time for scheduling slop,
(...skipping 34 matching lines...) Expand 10 before | Expand all | Expand 10 after
83 // For the last stage, it's possible that stageOffset is such that we're straddling the end 81 // For the last stage, it's possible that stageOffset is such that we're straddling the end
84 // of the impulse response buffer (if we use stageSize), so reduce the l ast stage's length... 82 // of the impulse response buffer (if we use stageSize), so reduce the l ast stage's length...
85 if (stageSize + stageOffset > totalResponseLength) 83 if (stageSize + stageOffset > totalResponseLength)
86 stageSize = totalResponseLength - stageOffset; 84 stageSize = totalResponseLength - stageOffset;
87 85
88 // This "staggers" the time when each FFT happens so they don't all happ en at the same time 86 // This "staggers" the time when each FFT happens so they don't all happ en at the same time
89 int renderPhase = convolverRenderPhase + i * renderSliceSize; 87 int renderPhase = convolverRenderPhase + i * renderSliceSize;
90 88
91 bool useDirectConvolver = !stageOffset; 89 bool useDirectConvolver = !stageOffset;
92 90
93 std::unique_ptr<ReverbConvolverStage> stage = wrapUnique(new ReverbConvo lverStage(response, totalResponseLength, reverbTotalLatency, stageOffset, stageS ize, fftSize, renderPhase, renderSliceSize, &m_accumulationBuffer, useDirectConv olver)); 91 OwnPtr<ReverbConvolverStage> stage = adoptPtr(new ReverbConvolverStage(r esponse, totalResponseLength, reverbTotalLatency, stageOffset, stageSize, fftSiz e, renderPhase, renderSliceSize, &m_accumulationBuffer, useDirectConvolver));
94 92
95 bool isBackgroundStage = false; 93 bool isBackgroundStage = false;
96 94
97 if (useBackgroundThreads && stageOffset > RealtimeFrameLimit) { 95 if (useBackgroundThreads && stageOffset > RealtimeFrameLimit) {
98 m_backgroundStages.append(std::move(stage)); 96 m_backgroundStages.append(std::move(stage));
99 isBackgroundStage = true; 97 isBackgroundStage = true;
100 } else { 98 } else {
101 m_stages.append(std::move(stage)); 99 m_stages.append(std::move(stage));
102 } 100 }
103 101
104 stageOffset += stageSize; 102 stageOffset += stageSize;
105 ++i; 103 ++i;
106 104
107 if (!useDirectConvolver) { 105 if (!useDirectConvolver) {
108 // Figure out next FFT size 106 // Figure out next FFT size
109 fftSize *= 2; 107 fftSize *= 2;
110 } 108 }
111 109
112 if (useBackgroundThreads && !isBackgroundStage && fftSize > m_maxRealtim eFFTSize) 110 if (useBackgroundThreads && !isBackgroundStage && fftSize > m_maxRealtim eFFTSize)
113 fftSize = m_maxRealtimeFFTSize; 111 fftSize = m_maxRealtimeFFTSize;
114 if (fftSize > m_maxFFTSize) 112 if (fftSize > m_maxFFTSize)
115 fftSize = m_maxFFTSize; 113 fftSize = m_maxFFTSize;
116 } 114 }
117 115
118 // Start up background thread 116 // Start up background thread
119 // FIXME: would be better to up the thread priority here. It doesn't need t o be real-time, but higher than the default... 117 // FIXME: would be better to up the thread priority here. It doesn't need t o be real-time, but higher than the default...
120 if (useBackgroundThreads && m_backgroundStages.size() > 0) 118 if (useBackgroundThreads && m_backgroundStages.size() > 0)
121 m_backgroundThread = wrapUnique(Platform::current()->createThread("Rever b convolution background thread")); 119 m_backgroundThread = adoptPtr(Platform::current()->createThread("Reverb convolution background thread"));
122 } 120 }
123 121
124 ReverbConvolver::~ReverbConvolver() 122 ReverbConvolver::~ReverbConvolver()
125 { 123 {
126 // Wait for background thread to stop 124 // Wait for background thread to stop
127 m_backgroundThread.reset(); 125 m_backgroundThread.reset();
128 } 126 }
129 127
130 void ReverbConvolver::processInBackground() 128 void ReverbConvolver::processInBackground()
131 { 129 {
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186 m_accumulationBuffer.reset(); 184 m_accumulationBuffer.reset();
187 m_inputBuffer.reset(); 185 m_inputBuffer.reset();
188 } 186 }
189 187
190 size_t ReverbConvolver::latencyFrames() const 188 size_t ReverbConvolver::latencyFrames() const
191 { 189 {
192 return 0; 190 return 0;
193 } 191 }
194 192
195 } // namespace blink 193 } // namespace blink
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