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/*
* Copyright (C) 2011, Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#if ENABLE(WEB_AUDIO)
#include "AsyncAudioDecoder.h"
#include "AudioBuffer.h"
#include <JavaScriptCore/GenericTypedArrayViewInlines.h>
#include <JavaScriptCore/TypedArrayAdaptors.h>
#include <wtf/NativePromise.h>
#include <wtf/TZoneMallocInlines.h>
namespace WebCore {
WTF_MAKE_TZONE_ALLOCATED_IMPL(AsyncAudioDecoder);
AsyncAudioDecoder::AsyncAudioDecoder()
: m_runLoop(RunLoop::create("Audio Decoder"_s, ThreadType::Audio))
{
}
Ref<DecodingTaskPromise> AsyncAudioDecoder::decodeAsync(Ref<ArrayBuffer>&& audioData, float sampleRate)
{
return WTF::invokeAsync(m_runLoop, [audioData = WTFMove(audioData), sampleRate] () mutable {
auto audioBuffer = AudioBuffer::createFromAudioFileData(audioData->span(), false, sampleRate);
// The ArrayBuffer must be deleted on the main thread, send it back there to be derefed.
callOnMainThread([audioData = WTFMove(audioData)] { });
if (!audioBuffer)
return DecodingTaskPromise::createAndReject(Exception { ExceptionCode::EncodingError, "Decoding failed"_s });
return DecodingTaskPromise::createAndResolve(audioBuffer.releaseNonNull());
});
}
} // namespace WebCore
#endif // ENABLE(WEB_AUDIO)
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