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