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/*
* Copyright (C) 2020 Apple Inc.
*
* 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 "LibWebRTCRtpTransformableFrame.h"
#if ENABLE(WEB_RTC) && USE(LIBWEBRTC)
ALLOW_UNUSED_PARAMETERS_BEGIN
ALLOW_DEPRECATED_DECLARATIONS_BEGIN
ALLOW_COMMA_BEGIN
#include <webrtc/api/frame_transformer_interface.h>
ALLOW_COMMA_END
ALLOW_DEPRECATED_DECLARATIONS_END
ALLOW_UNUSED_PARAMETERS_END
namespace WebCore {
LibWebRTCRtpTransformableFrame::LibWebRTCRtpTransformableFrame(std::unique_ptr<webrtc::TransformableFrameInterface>&& frame, bool isAudioSenderFrame)
: m_rtcFrame(WTFMove(frame))
, m_isAudioSenderFrame(isAudioSenderFrame)
{
}
LibWebRTCRtpTransformableFrame::~LibWebRTCRtpTransformableFrame()
{
}
std::unique_ptr<webrtc::TransformableFrameInterface> LibWebRTCRtpTransformableFrame::takeRTCFrame()
{
return WTFMove(m_rtcFrame);
}
std::span<const uint8_t> LibWebRTCRtpTransformableFrame::data() const
{
if (!m_rtcFrame)
return { };
auto data = m_rtcFrame->GetData();
return { data.begin(), data.size() };
}
void LibWebRTCRtpTransformableFrame::setData(std::span<const uint8_t> data)
{
if (m_rtcFrame)
m_rtcFrame->SetData({ data.data(), data.size() });
}
bool LibWebRTCRtpTransformableFrame::isKeyFrame() const
{
ASSERT(m_rtcFrame);
auto* videoFrame = static_cast<webrtc::TransformableVideoFrameInterface*>(m_rtcFrame.get());
return videoFrame && videoFrame->IsKeyFrame();
}
uint64_t LibWebRTCRtpTransformableFrame::timestamp() const
{
return m_rtcFrame ? m_rtcFrame->GetTimestamp() : 0;
}
RTCEncodedAudioFrameMetadata LibWebRTCRtpTransformableFrame::audioMetadata() const
{
if (!m_rtcFrame)
return { };
Vector<uint32_t> cssrcs;
if (!m_isAudioSenderFrame) {
auto* audioFrame = static_cast<webrtc::TransformableAudioFrameInterface*>(m_rtcFrame.get());
auto& header = audioFrame->GetHeader();
if (header.numCSRCs) {
cssrcs.reserveInitialCapacity(header.numCSRCs);
for (size_t cptr = 0; cptr < header.numCSRCs; ++cptr)
cssrcs.uncheckedAppend(header.arrOfCSRCs[cptr]);
}
}
return { m_rtcFrame->GetSsrc(), WTFMove(cssrcs) };
}
RTCEncodedVideoFrameMetadata LibWebRTCRtpTransformableFrame::videoMetadata() const
{
if (!m_rtcFrame)
return { };
auto* videoFrame = static_cast<webrtc::TransformableVideoFrameInterface*>(m_rtcFrame.get());
auto metadata = videoFrame->Metadata();
std::optional<int64_t> frameId;
if (metadata.GetFrameId())
frameId = *metadata.GetFrameId();
Vector<int64_t> dependencies;
for (auto value : metadata.GetFrameDependencies())
dependencies.append(value);
return { frameId, WTFMove(dependencies), metadata.GetWidth(), metadata.GetHeight(), metadata.GetSpatialIndex(), metadata.GetTemporalIndex(), m_rtcFrame->GetSsrc() };
}
} // namespace WebCore
#endif // ENABLE(WEB_RTC) && USE(LIBWEBRTC)
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