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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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