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Side by Side Diff: third_party/WebKit/Source/platform/exported/WebAudioBus.cpp

Issue 1557363002: Remove the WEB_AUDIO compile time flag (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 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 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 "public/platform/WebAudioBus.h" 25 #include "public/platform/WebAudioBus.h"
26 26
27 #include "wtf/build_config.h" 27 #include "wtf/build_config.h"
28 28
29 #if ENABLE(WEB_AUDIO)
30 #include "platform/audio/AudioBus.h" 29 #include "platform/audio/AudioBus.h"
31 #else
32 #include "wtf/ThreadSafeRefCounted.h"
33
34 namespace blink {
35 class AudioBus : public ThreadSafeRefCounted<AudioBus> {
36 };
37 } // namespace blink
38 #endif
39
40 #include "wtf/PassRefPtr.h" 30 #include "wtf/PassRefPtr.h"
41 #include "wtf/RefPtr.h" 31 #include "wtf/RefPtr.h"
42 32
43 namespace blink { 33 namespace blink {
44 34
45 class WebAudioBusPrivate : public AudioBus { 35 class WebAudioBusPrivate : public AudioBus {
46 }; 36 };
47 37
48 void WebAudioBus::initialize(unsigned numberOfChannels, size_t length, double sa mpleRate) 38 void WebAudioBus::initialize(unsigned numberOfChannels, size_t length, double sa mpleRate)
49 { 39 {
50 #if ENABLE(WEB_AUDIO)
51 RefPtr<AudioBus> audioBus = AudioBus::create(numberOfChannels, length); 40 RefPtr<AudioBus> audioBus = AudioBus::create(numberOfChannels, length);
52 audioBus->setSampleRate(sampleRate); 41 audioBus->setSampleRate(sampleRate);
53 42
54 if (m_private) 43 if (m_private)
55 (static_cast<AudioBus*>(m_private))->deref(); 44 (static_cast<AudioBus*>(m_private))->deref();
56 45
57 audioBus->ref(); 46 audioBus->ref();
58 m_private = static_cast<WebAudioBusPrivate*>(audioBus.get()); 47 m_private = static_cast<WebAudioBusPrivate*>(audioBus.get());
59 #else
60 ASSERT_NOT_REACHED();
61 #endif
62 } 48 }
63 49
64 void WebAudioBus::resizeSmaller(size_t newLength) 50 void WebAudioBus::resizeSmaller(size_t newLength)
65 { 51 {
66 #if ENABLE(WEB_AUDIO)
67 ASSERT(m_private); 52 ASSERT(m_private);
68 if (m_private) { 53 if (m_private) {
69 ASSERT(newLength <= length()); 54 ASSERT(newLength <= length());
70 m_private->resizeSmaller(newLength); 55 m_private->resizeSmaller(newLength);
71 } 56 }
72 #else
73 ASSERT_NOT_REACHED();
74 #endif
75 } 57 }
76 58
77 void WebAudioBus::reset() 59 void WebAudioBus::reset()
78 { 60 {
79 #if ENABLE(WEB_AUDIO)
80 if (m_private) { 61 if (m_private) {
81 (static_cast<AudioBus*>(m_private))->deref(); 62 (static_cast<AudioBus*>(m_private))->deref();
82 m_private = 0; 63 m_private = 0;
83 } 64 }
84 #else
85 ASSERT_NOT_REACHED();
86 #endif
87 } 65 }
88 66
89 unsigned WebAudioBus::numberOfChannels() const 67 unsigned WebAudioBus::numberOfChannels() const
90 { 68 {
91 #if ENABLE(WEB_AUDIO)
92 if (!m_private) 69 if (!m_private)
93 return 0; 70 return 0;
94 return m_private->numberOfChannels(); 71 return m_private->numberOfChannels();
95 #else
96 ASSERT_NOT_REACHED();
97 return 0;
98 #endif
99 } 72 }
100 73
101 size_t WebAudioBus::length() const 74 size_t WebAudioBus::length() const
102 { 75 {
103 #if ENABLE(WEB_AUDIO)
104 if (!m_private) 76 if (!m_private)
105 return 0; 77 return 0;
106 return m_private->length(); 78 return m_private->length();
107 #else
108 ASSERT_NOT_REACHED();
109 return 0;
110 #endif
111 } 79 }
112 80
113 double WebAudioBus::sampleRate() const 81 double WebAudioBus::sampleRate() const
114 { 82 {
115 #if ENABLE(WEB_AUDIO)
116 if (!m_private) 83 if (!m_private)
117 return 0; 84 return 0;
118 return m_private->sampleRate(); 85 return m_private->sampleRate();
119 #else
120 ASSERT_NOT_REACHED();
121 return 0;
122 #endif
123 } 86 }
124 87
125 float* WebAudioBus::channelData(unsigned channelIndex) 88 float* WebAudioBus::channelData(unsigned channelIndex)
126 { 89 {
127 #if ENABLE(WEB_AUDIO)
128 if (!m_private) 90 if (!m_private)
129 return 0; 91 return 0;
130 ASSERT(channelIndex < numberOfChannels()); 92 ASSERT(channelIndex < numberOfChannels());
131 return m_private->channel(channelIndex)->mutableData(); 93 return m_private->channel(channelIndex)->mutableData();
132 #else
133 ASSERT_NOT_REACHED();
134 return 0;
135 #endif
136 } 94 }
137 95
138 PassRefPtr<AudioBus> WebAudioBus::release() 96 PassRefPtr<AudioBus> WebAudioBus::release()
139 { 97 {
140 #if ENABLE(WEB_AUDIO)
141 RefPtr<AudioBus> audioBus(adoptRef(static_cast<AudioBus*>(m_private))); 98 RefPtr<AudioBus> audioBus(adoptRef(static_cast<AudioBus*>(m_private)));
142 m_private = 0; 99 m_private = 0;
143 return audioBus; 100 return audioBus;
144 #else
145 ASSERT_NOT_REACHED();
146 return nullptr;
147 #endif
148 } 101 }
149 102
150 } // namespace blink 103 } // namespace blink
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