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/*
* Copyright (C) 2022 Apple Inc. All rights reserved.
* Copyright (C) 2023 Igalia S.L
*
* 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"
#include "WebCodecsAudioData.h"
#if ENABLE(WEB_CODECS)
#include "ContextDestructionObserverInlines.h"
#include "ExceptionOr.h"
#include "JSDOMPromiseDeferred.h"
#include "PlatformRawAudioData.h"
#include "WebCodecsAudioDataAlgorithms.h"
namespace WebCore {
// https://www.w3.org/TR/webcodecs/#dom-audiodata-audiodata
ExceptionOr<Ref<WebCodecsAudioData>> WebCodecsAudioData::create(ScriptExecutionContext& context, Init&& init)
{
if (!isValidAudioDataInit(init))
return Exception { ExceptionCode::TypeError, "Invalid init data"_s };
auto rawData = init.data.span();
auto data = PlatformRawAudioData::create(WTFMove(rawData), init.format, init.sampleRate, init.timestamp, init.numberOfFrames, init.numberOfChannels);
if (!data)
return Exception { ExceptionCode::NotSupportedError, "AudioData creation failed"_s };
return adoptRef(*new WebCodecsAudioData(context, WebCodecsAudioInternalData { WTFMove(data) }));
}
Ref<WebCodecsAudioData> WebCodecsAudioData::create(ScriptExecutionContext& context, Ref<PlatformRawAudioData>&& data)
{
return adoptRef(*new WebCodecsAudioData(context, WebCodecsAudioInternalData { WTFMove(data) }));
}
WebCodecsAudioData::WebCodecsAudioData(ScriptExecutionContext& context)
: ContextDestructionObserver(&context)
{
}
WebCodecsAudioData::WebCodecsAudioData(ScriptExecutionContext& context, WebCodecsAudioInternalData&& data)
: ContextDestructionObserver(&context)
, m_data(WTFMove(data))
{
}
WebCodecsAudioData::~WebCodecsAudioData() = default;
std::optional<AudioSampleFormat> WebCodecsAudioData::format() const
{
return m_data.audioData ? std::make_optional(m_data.audioData->format()) : std::nullopt;
}
float WebCodecsAudioData::sampleRate() const
{
return m_data.audioData ? m_data.audioData->sampleRate() : 0;
}
size_t WebCodecsAudioData::numberOfFrames() const
{
return m_data.audioData ? m_data.audioData->numberOfFrames() : 0;
}
size_t WebCodecsAudioData::numberOfChannels() const
{
return m_data.audioData ? m_data.audioData->numberOfChannels() : 0;
}
std::optional<uint64_t> WebCodecsAudioData::duration()
{
return m_data.audioData ? m_data.audioData->duration() : std::nullopt;
}
int64_t WebCodecsAudioData::timestamp() const
{
return m_data.audioData ? m_data.audioData->timestamp() : 0;
}
// https://www.w3.org/TR/webcodecs/#dom-audiodata-allocationsize
ExceptionOr<size_t> WebCodecsAudioData::allocationSize(const CopyToOptions& options)
{
if (isDetached())
return Exception { ExceptionCode::InvalidStateError, "AudioData is detached"_s };
auto copyElementCount = computeCopyElementCount(*this, options);
if (copyElementCount.hasException())
return copyElementCount.releaseException();
auto destFormat = options.format.value_or(*format());
auto bytesPerSample = computeBytesPerSample(destFormat);
return copyElementCount.releaseReturnValue() * bytesPerSample;
}
// https://www.w3.org/TR/webcodecs/#dom-audiodata-copyto
ExceptionOr<void> WebCodecsAudioData::copyTo(BufferSource&& source, CopyToOptions&& options)
{
if (isDetached())
return Exception { ExceptionCode::InvalidStateError, "AudioData is detached"_s };
auto copyElementCount = computeCopyElementCount(*this, options);
if (copyElementCount.hasException())
return copyElementCount.releaseException();
auto destFormat = options.format.value_or(*format());
auto bytesPerSample = computeBytesPerSample(destFormat);
auto maxCopyElementCount = copyElementCount.releaseReturnValue();
unsigned long allocationSize;
if (!WTF::safeMultiply(maxCopyElementCount, bytesPerSample, allocationSize))
return Exception { ExceptionCode::RangeError, "Calculated destination buffer size overflows"_s };
if (allocationSize > source.length())
return Exception { ExceptionCode::RangeError, "Buffer is too small"_s };
m_data.audioData->copyTo(source.mutableSpan(), destFormat, options.planeIndex, options.frameOffset, options.frameCount, maxCopyElementCount);
return { };
}
// https://www.w3.org/TR/webcodecs/#dom-audiodata-clone
ExceptionOr<Ref<WebCodecsAudioData>> WebCodecsAudioData::clone(ScriptExecutionContext& context)
{
if (isDetached())
return Exception { ExceptionCode::InvalidStateError, "AudioData is detached"_s };
return adoptRef(*new WebCodecsAudioData(context, WebCodecsAudioInternalData { m_data }));
}
// https://www.w3.org/TR/webcodecs/#dom-audiodata-close
void WebCodecsAudioData::close()
{
m_data.audioData = nullptr;
m_isDetached = true;
}
} // namespace WebCore
#endif // ENABLE(WEB_CODECS)
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