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

Issue 2420983002: AudioParams with automations must process timelines (Closed)
Patch Set: Fix paths. Created 3 years, 11 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 * 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/BiquadDSPKernel.h" 26 #include "modules/webaudio/BiquadDSPKernel.h"
27 #include "modules/webaudio/BiquadProcessor.h" 27 #include "modules/webaudio/BiquadProcessor.h"
28 #include "platform/audio/AudioUtilities.h"
28 #include "wtf/PtrUtil.h" 29 #include "wtf/PtrUtil.h"
29 #include <memory> 30 #include <memory>
30 31
31 namespace blink { 32 namespace blink {
32 33
33 BiquadProcessor::BiquadProcessor(float sampleRate, 34 BiquadProcessor::BiquadProcessor(float sampleRate,
34 size_t numberOfChannels, 35 size_t numberOfChannels,
35 AudioParamHandler& frequency, 36 AudioParamHandler& frequency,
36 AudioParamHandler& q, 37 AudioParamHandler& q,
37 AudioParamHandler& gain, 38 AudioParamHandler& gain,
(...skipping 73 matching lines...) Expand 10 before | Expand all | Expand 10 after
111 checkForDirtyCoefficients(); 112 checkForDirtyCoefficients();
112 113
113 // For each channel of our input, process using the corresponding 114 // For each channel of our input, process using the corresponding
114 // BiquadDSPKernel into the output channel. 115 // BiquadDSPKernel into the output channel.
115 for (unsigned i = 0; i < m_kernels.size(); ++i) 116 for (unsigned i = 0; i < m_kernels.size(); ++i)
116 m_kernels[i]->process(source->channel(i)->data(), 117 m_kernels[i]->process(source->channel(i)->data(),
117 destination->channel(i)->mutableData(), 118 destination->channel(i)->mutableData(),
118 framesToProcess); 119 framesToProcess);
119 } 120 }
120 121
122 void BiquadProcessor::processOnlyAudioParams(size_t framesToProcess) {
123 DCHECK_LE(framesToProcess, AudioUtilities::kRenderQuantumFrames);
124
125 float values[AudioUtilities::kRenderQuantumFrames];
126
127 m_parameter1->calculateSampleAccurateValues(values, framesToProcess);
128 m_parameter2->calculateSampleAccurateValues(values, framesToProcess);
129 m_parameter3->calculateSampleAccurateValues(values, framesToProcess);
130 m_parameter4->calculateSampleAccurateValues(values, framesToProcess);
131 }
132
121 void BiquadProcessor::setType(FilterType type) { 133 void BiquadProcessor::setType(FilterType type) {
122 if (type != m_type) { 134 if (type != m_type) {
123 m_type = type; 135 m_type = type;
124 reset(); // The filter state must be reset only if the type has changed. 136 reset(); // The filter state must be reset only if the type has changed.
125 } 137 }
126 } 138 }
127 139
128 void BiquadProcessor::getFrequencyResponse(int nFrequencies, 140 void BiquadProcessor::getFrequencyResponse(int nFrequencies,
129 const float* frequencyHz, 141 const float* frequencyHz,
130 float* magResponse, 142 float* magResponse,
131 float* phaseResponse) { 143 float* phaseResponse) {
132 // Compute the frequency response on a separate temporary kernel 144 // Compute the frequency response on a separate temporary kernel
133 // to avoid interfering with the processing running in the audio 145 // to avoid interfering with the processing running in the audio
134 // thread on the main kernels. 146 // thread on the main kernels.
135 147
136 std::unique_ptr<BiquadDSPKernel> responseKernel = 148 std::unique_ptr<BiquadDSPKernel> responseKernel =
137 WTF::makeUnique<BiquadDSPKernel>(this); 149 WTF::makeUnique<BiquadDSPKernel>(this);
138 responseKernel->getFrequencyResponse(nFrequencies, frequencyHz, magResponse, 150 responseKernel->getFrequencyResponse(nFrequencies, frequencyHz, magResponse,
139 phaseResponse); 151 phaseResponse);
140 } 152 }
141 153
142 } // namespace blink 154 } // namespace blink
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