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31 #include "AudioFileReader.h"
32 #include "PlatformBridge.h"
33 #include <wtf/PassOwnPtr.h>
37 PassOwnPtr<AudioBus> AudioBus::loadPlatformResource(const char* name, double sampleRate)
39 return ChromiumBridge::loadPlatformAudioResource(name, sampleRate);
42 PassOwnPtr<AudioBus> createBusFromInMemoryAudioFile(const void* data, size_t dataSize, bool mixToMono, double sampleRate)
44 OwnPtr<AudioBus> audioBus = PlatformBridge::decodeAudioFileData(static_cast<const char*>(data), dataSize, sampleRate);
45 if (audioBus->numberOfChannels() == 2 && mixToMono) {
46 OwnPtr<AudioBus> monoAudioBus = adoptPtr(new AudioBus(1, audioBus->length()));
48 // FIXME: AudioBus::copyFrom() should be able to do a downmix to mono.
49 // for now simply copy the left channel.
50 monoAudioBus->channel(0)->copyFrom(audioBus->channel(0));
51 return monoAudioBus.release();
54 return audioBus.release();
57 } // namespace WebCore
59 #endif // ENABLE(WEB_AUDIO)