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Diffstat (limited to 'chromium/third_party/WebKit/Source/core/platform/audio/HRTFDatabaseLoader.h')
-rw-r--r-- | chromium/third_party/WebKit/Source/core/platform/audio/HRTFDatabaseLoader.h | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/chromium/third_party/WebKit/Source/core/platform/audio/HRTFDatabaseLoader.h b/chromium/third_party/WebKit/Source/core/platform/audio/HRTFDatabaseLoader.h deleted file mode 100644 index 65de173a010..00000000000 --- a/chromium/third_party/WebKit/Source/core/platform/audio/HRTFDatabaseLoader.h +++ /dev/null @@ -1,93 +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. - */ - -#ifndef HRTFDatabaseLoader_h -#define HRTFDatabaseLoader_h - -#include "core/platform/audio/HRTFDatabase.h" -#include "wtf/HashMap.h" -#include "wtf/PassRefPtr.h" -#include "wtf/RefCounted.h" -#include "wtf/RefPtr.h" -#include "wtf/Threading.h" -#include "wtf/ThreadingPrimitives.h" - -namespace WebCore { - -// HRTFDatabaseLoader will asynchronously load the default HRTFDatabase in a new thread. - -class HRTFDatabaseLoader : public RefCounted<HRTFDatabaseLoader> { -public: - // Lazily creates a HRTFDatabaseLoader (if not already created) for the given sample-rate - // and starts loading asynchronously (when created the first time). - // Returns the HRTFDatabaseLoader. - // Must be called from the main thread. - static PassRefPtr<HRTFDatabaseLoader> createAndLoadAsynchronouslyIfNecessary(float sampleRate); - - // Both constructor and destructor must be called from the main thread. - ~HRTFDatabaseLoader(); - - // Returns true once the default database has been completely loaded. - bool isLoaded() const; - - // waitForLoaderThreadCompletion() may be called more than once and is thread-safe. - void waitForLoaderThreadCompletion(); - - HRTFDatabase* database() { return m_hrtfDatabase.get(); } - - float databaseSampleRate() const { return m_databaseSampleRate; } - - // Called in asynchronous loading thread. - void load(); - -private: - // Both constructor and destructor must be called from the main thread. - explicit HRTFDatabaseLoader(float sampleRate); - - // If it hasn't already been loaded, creates a new thread and initiates asynchronous loading of the default database. - // This must be called from the main thread. - void loadAsynchronously(); - - // Map from sample-rate to loader. - typedef HashMap<double, HRTFDatabaseLoader*> LoaderMap; - - // Keeps track of loaders on a per-sample-rate basis. - static LoaderMap* s_loaderMap; // singleton - - OwnPtr<HRTFDatabase> m_hrtfDatabase; - - // Holding a m_threadLock is required when accessing m_databaseLoaderThread. - Mutex m_threadLock; - ThreadIdentifier m_databaseLoaderThread; - - float m_databaseSampleRate; -}; - -} // namespace WebCore - -#endif // HRTFDatabaseLoader_h |