PassRefPtrWillBeRawPtr<AudioBuffer> AudioBuffer::createFromAudioBus(AudioBus* bus)
{
if (!bus)
return nullptr;
RefPtrWillBeRawPtr<AudioBuffer> buffer = adoptRefWillBeNoop(new AudioBuffer(bus));
if (buffer->createdSuccessfully(bus->numberOfChannels()))
return buffer;
return nullptr;
}
PassRefPtrWillBeRawPtr<AudioBuffer> AudioBuffer::create(unsigned numberOfChannels, size_t numberOfFrames, float sampleRate)
{
if (sampleRate < minAllowedSampleRate() || sampleRate > maxAllowedSampleRate() || numberOfChannels > AudioContext::maxNumberOfChannels() || !numberOfChannels || !numberOfFrames)
return nullptr;
RefPtrWillBeRawPtr<AudioBuffer> buffer = adoptRefWillBeNoop(new AudioBuffer(numberOfChannels, numberOfFrames, sampleRate));
if (!buffer->createdSuccessfully(numberOfChannels))
return nullptr;
return buffer;
}
PassRefPtrWillBeRawPtr<AudioBuffer> AudioBuffer::createFromAudioFileData(const void* data, size_t dataSize, bool mixToMono, float sampleRate)
{
RefPtr<AudioBus> bus = createBusFromInMemoryAudioFile(data, dataSize, mixToMono, sampleRate);
if (bus.get()) {
RefPtrWillBeRawPtr<AudioBuffer> buffer = adoptRefWillBeNoop(new AudioBuffer(bus.get()));
if (buffer->createdSuccessfully(bus->numberOfChannels()))
return buffer;
}
return nullptr;
}
