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31 #include "AudioFileReader.h"
32 #include "PlatformSupport.h"
33 #include <wtf/PassOwnPtr.h>
37 PassOwnPtr<AudioBus> AudioBus::loadPlatformResource(const char* name, double sampleRate)
39 // FIXME: the sampleRate parameter is ignored. It should be removed from the API.
40 OwnPtr<AudioBus> audioBus = PlatformSupport::loadPlatformAudioResource(name, sampleRate);
44 // If the bus is already at the requested sample-rate then return as is.
45 if (audioBus->sampleRate() == sampleRate)
46 return audioBus.release();
48 return AudioBus::createBySampleRateConverting(audioBus.get(), false, sampleRate);
51 PassOwnPtr<AudioBus> createBusFromInMemoryAudioFile(const void* data, size_t dataSize, bool mixToMono, double sampleRate)
53 // FIXME: the sampleRate parameter is ignored. It should be removed from the API.
54 OwnPtr<AudioBus> audioBus = PlatformSupport::decodeAudioFileData(static_cast<const char*>(data), dataSize, sampleRate);
58 // If the bus needs no conversion then return as is.
59 if ((!mixToMono || audioBus->numberOfChannels() == 1) && audioBus->sampleRate() == sampleRate)
60 return audioBus.release();
62 return AudioBus::createBySampleRateConverting(audioBus.get(), mixToMono, sampleRate);
65 } // namespace WebCore
67 #endif // ENABLE(WEB_AUDIO)