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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 "config.h" | 25 #include "config.h" |
26 #if ENABLE(WEB_AUDIO) | 26 #if ENABLE(WEB_AUDIO) |
27 #include "modules/webaudio/DynamicsCompressorNode.h" | 27 #include "modules/webaudio/DynamicsCompressorNode.h" |
28 | 28 |
29 #include "modules/webaudio/AudioContext.h" | |
30 #include "modules/webaudio/AudioNodeInput.h" | 29 #include "modules/webaudio/AudioNodeInput.h" |
31 #include "modules/webaudio/AudioNodeOutput.h" | 30 #include "modules/webaudio/AudioNodeOutput.h" |
32 #include "platform/audio/DynamicsCompressor.h" | 31 #include "platform/audio/DynamicsCompressor.h" |
33 | 32 |
34 // Set output to stereo by default. | 33 // Set output to stereo by default. |
35 static const unsigned defaultNumberOfOutputChannels = 2; | 34 static const unsigned defaultNumberOfOutputChannels = 2; |
36 | 35 |
37 namespace blink { | 36 namespace blink { |
38 | 37 |
39 DynamicsCompressorHandler::DynamicsCompressorHandler( | 38 DynamicsCompressorHandler::DynamicsCompressorHandler( |
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110 return m_dynamicsCompressor->tailTime(); | 109 return m_dynamicsCompressor->tailTime(); |
111 } | 110 } |
112 | 111 |
113 double DynamicsCompressorHandler::latencyTime() const | 112 double DynamicsCompressorHandler::latencyTime() const |
114 { | 113 { |
115 return m_dynamicsCompressor->latencyTime(); | 114 return m_dynamicsCompressor->latencyTime(); |
116 } | 115 } |
117 | 116 |
118 // ---------------------------------------------------------------- | 117 // ---------------------------------------------------------------- |
119 | 118 |
120 DynamicsCompressorNode::DynamicsCompressorNode(AudioContext& context, float samp
leRate) | 119 DynamicsCompressorNode::DynamicsCompressorNode(AbstractAudioContext& context, fl
oat sampleRate) |
121 : AudioNode(context) | 120 : AudioNode(context) |
122 , m_threshold(AudioParam::create(context, -24)) | 121 , m_threshold(AudioParam::create(context, -24)) |
123 , m_knee(AudioParam::create(context, 30)) | 122 , m_knee(AudioParam::create(context, 30)) |
124 , m_ratio(AudioParam::create(context, 12)) | 123 , m_ratio(AudioParam::create(context, 12)) |
125 , m_reduction(AudioParam::create(context, 0)) | 124 , m_reduction(AudioParam::create(context, 0)) |
126 , m_attack(AudioParam::create(context, 0.003)) | 125 , m_attack(AudioParam::create(context, 0.003)) |
127 , m_release(AudioParam::create(context, 0.250)) | 126 , m_release(AudioParam::create(context, 0.250)) |
128 { | 127 { |
129 setHandler(DynamicsCompressorHandler::create(*this, sampleRate, m_threshold-
>handler(), m_knee->handler(), m_ratio->handler(), m_reduction->handler(), m_att
ack->handler(), m_release->handler())); | 128 setHandler(DynamicsCompressorHandler::create(*this, sampleRate, m_threshold-
>handler(), m_knee->handler(), m_ratio->handler(), m_reduction->handler(), m_att
ack->handler(), m_release->handler())); |
130 } | 129 } |
131 | 130 |
132 DynamicsCompressorNode* DynamicsCompressorNode::create(AudioContext& context, fl
oat sampleRate) | 131 DynamicsCompressorNode* DynamicsCompressorNode::create(AbstractAudioContext& con
text, float sampleRate) |
133 { | 132 { |
134 return new DynamicsCompressorNode(context, sampleRate); | 133 return new DynamicsCompressorNode(context, sampleRate); |
135 } | 134 } |
136 | 135 |
137 DEFINE_TRACE(DynamicsCompressorNode) | 136 DEFINE_TRACE(DynamicsCompressorNode) |
138 { | 137 { |
139 visitor->trace(m_threshold); | 138 visitor->trace(m_threshold); |
140 visitor->trace(m_knee); | 139 visitor->trace(m_knee); |
141 visitor->trace(m_ratio); | 140 visitor->trace(m_ratio); |
142 visitor->trace(m_reduction); | 141 visitor->trace(m_reduction); |
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176 } | 175 } |
177 | 176 |
178 AudioParam* DynamicsCompressorNode::release() const | 177 AudioParam* DynamicsCompressorNode::release() const |
179 { | 178 { |
180 return m_release; | 179 return m_release; |
181 } | 180 } |
182 | 181 |
183 } // namespace blink | 182 } // namespace blink |
184 | 183 |
185 #endif // ENABLE(WEB_AUDIO) | 184 #endif // ENABLE(WEB_AUDIO) |
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