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/*
* Copyright (C) 2020 Apple 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. ``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
* 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 "RTCEncodedFrame.h"
#if ENABLE(WEB_RTC)
#include <JavaScriptCore/JSCInlines.h>
#include <JavaScriptCore/StrongInlines.h>
namespace WebCore {
RTCEncodedFrame::RTCEncodedFrame(Ref<RTCRtpTransformableFrame>&& frame)
: m_frame(WTFMove(frame))
{
}
RefPtr<JSC::ArrayBuffer> RTCEncodedFrame::data() const
{
if (!m_data)
m_data = m_isNeutered ? JSC::ArrayBuffer::create(static_cast<size_t>(0U), 1) : JSC::ArrayBuffer::create(m_frame->data());
return m_data;
}
void RTCEncodedFrame::setData(JSC::ArrayBuffer& buffer)
{
m_data = buffer;
}
uint64_t RTCEncodedFrame::timestamp() const
{
if (!m_timestamp)
m_timestamp = m_frame->timestamp();
return *m_timestamp;
}
Ref<RTCRtpTransformableFrame> RTCEncodedFrame::rtcFrame(JSC::VM& vm, ShouldNeuter shouldNeuter)
{
if (shouldNeuter == ShouldNeuter::Yes && !m_isNeutered) {
m_isNeutered = true;
if (m_data) {
m_frame->setData(m_data->span());
JSC::ArrayBufferContents emptyBuffer;
bool result = m_data->transferTo(vm, emptyBuffer);
ASSERT_UNUSED(result, result);
}
}
return m_frame;
}
Ref<RTCRtpTransformableFrame> RTCEncodedFrame::serialize()
{
auto clone = m_frame->clone();
if (m_data)
clone->setData(m_data->span());
return clone;
}
} // namespace WebCore
#endif // ENABLE(WEB_RTC)
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