diff options
Diffstat (limited to 'chromium/third_party/WebKit/Source/core/platform/audio/ReverbInputBuffer.cpp')
-rw-r--r-- | chromium/third_party/WebKit/Source/core/platform/audio/ReverbInputBuffer.cpp | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/chromium/third_party/WebKit/Source/core/platform/audio/ReverbInputBuffer.cpp b/chromium/third_party/WebKit/Source/core/platform/audio/ReverbInputBuffer.cpp deleted file mode 100644 index 0a6dca7f804..00000000000 --- a/chromium/third_party/WebKit/Source/core/platform/audio/ReverbInputBuffer.cpp +++ /dev/null @@ -1,89 +0,0 @@ -/* - * Copyright (C) 2010 Google Inc. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of - * its contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include "config.h" - -#if ENABLE(WEB_AUDIO) - -#include "core/platform/audio/ReverbInputBuffer.h" - -namespace WebCore { - -ReverbInputBuffer::ReverbInputBuffer(size_t length) - : m_buffer(length) - , m_writeIndex(0) -{ -} - -void ReverbInputBuffer::write(const float* sourceP, size_t numberOfFrames) -{ - size_t bufferLength = m_buffer.size(); - bool isCopySafe = m_writeIndex + numberOfFrames <= bufferLength; - ASSERT(isCopySafe); - if (!isCopySafe) - return; - - memcpy(m_buffer.data() + m_writeIndex, sourceP, sizeof(float) * numberOfFrames); - - m_writeIndex += numberOfFrames; - ASSERT(m_writeIndex <= bufferLength); - - if (m_writeIndex >= bufferLength) - m_writeIndex = 0; -} - -float* ReverbInputBuffer::directReadFrom(int* readIndex, size_t numberOfFrames) -{ - size_t bufferLength = m_buffer.size(); - bool isPointerGood = readIndex && *readIndex >= 0 && *readIndex + numberOfFrames <= bufferLength; - ASSERT(isPointerGood); - if (!isPointerGood) { - // Should never happen in practice but return pointer to start of buffer (avoid crash) - if (readIndex) - *readIndex = 0; - return m_buffer.data(); - } - - float* sourceP = m_buffer.data(); - float* p = sourceP + *readIndex; - - // Update readIndex - *readIndex = (*readIndex + numberOfFrames) % bufferLength; - - return p; -} - -void ReverbInputBuffer::reset() -{ - m_buffer.zero(); - m_writeIndex = 0; -} - -} // namespace WebCore - -#endif // ENABLE(WEB_AUDIO) |