RefPtr<AudioBuffer> AudioBuffer::createFromAudioFileData(const void* data, size_t dataSize, bool mixToMono, float sampleRate)
{
RefPtr<AudioBus> bus = createBusFromInMemoryAudioFile(data, dataSize, mixToMono, sampleRate);
if (!bus)
return nullptr;
return adoptRef(*new AudioBuffer(*bus));
}
PassOwnPtr<AudioBus> AudioBus::loadPlatformResource(const char* name, float sampleRate)
{
QString path = QStringLiteral(":/webkit/resources/audio/");
path.append(QLatin1String(name));
QResource resource(path);
return createBusFromInMemoryAudioFile(resource.data(), resource.size(), /* mixToMono */ false, sampleRate);
}
PassRefPtr<AudioBuffer> AudioBuffer::createFromAudioFileData(const void* data, size_t dataSize, bool mixToMono, double sampleRate)
{
OwnPtr<AudioBus> bus = createBusFromInMemoryAudioFile(data, dataSize, mixToMono, sampleRate);
if (bus.get())
return adoptRef(new AudioBuffer(bus.get()));
return 0;
}
void AsyncAudioDecoder::decode(DOMArrayBuffer* audioData, float sampleRate, AudioBufferCallback* successCallback, AudioBufferCallback* errorCallback, ScriptPromiseResolver* resolver, AbstractAudioContext* context)
{
RefPtr<AudioBus> bus = createBusFromInMemoryAudioFile(audioData->data(), audioData->byteLength(), false, sampleRate);
// Decoding is finished, but we need to do the callbacks on the main thread.
// The leaked reference to audioBuffer is picked up in notifyComplete.
Platform::current()->mainThread()->taskRunner()->postTask(BLINK_FROM_HERE, threadSafeBind(&AsyncAudioDecoder::notifyComplete, AllowCrossThreadAccess(audioData), successCallback, errorCallback, bus.release().leakRef(), resolver, context));
}
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;
}