1/* 2 * Copyright (C) 2010, Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 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 ANY 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 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 ON 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 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 */ 24 25#import "config.h" 26 27#if ENABLE(WEB_AUDIO) 28 29#import "AudioBus.h" 30 31#import "AudioFileReader.h" 32#import <wtf/AutodrainedPool.h> 33#import <wtf/RefPtr.h> 34#import <wtf/PassRefPtr.h> 35#import <Foundation/Foundation.h> 36 37@interface WebCoreAudioBundleClass : NSObject 38@end 39 40@implementation WebCoreAudioBundleClass 41@end 42 43namespace WebCore { 44 45PassRefPtr<AudioBus> AudioBus::loadPlatformResource(const char* name, float sampleRate) 46{ 47 // This method can be called from other than the main thread, so we need an auto-release pool. 48 AutodrainedPool pool; 49 50 NSBundle *bundle = [NSBundle bundleForClass:[WebCoreAudioBundleClass class]]; 51 NSURL *audioFileURL = [bundle URLForResource:[NSString stringWithUTF8String:name] withExtension:@"wav" subdirectory:@"audio"]; 52 NSDataReadingOptions options = NSDataReadingMappedIfSafe; 53 NSData *audioData = [NSData dataWithContentsOfURL:audioFileURL options:options error:nil]; 54 55 if (audioData) { 56 RefPtr<AudioBus> bus(createBusFromInMemoryAudioFile([audioData bytes], [audioData length], false, sampleRate)); 57 return bus; 58 } 59 60 ASSERT_NOT_REACHED(); 61 return 0; 62} 63 64} // namespace WebCore 65 66#endif // ENABLE(WEB_AUDIO) 67