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/*
* Copyright (C) 2017 Igalia S.L. All rights reserved.
* Copyright (C) 2017 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 required to be 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. AND 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 USE(LIBWEBRTC) && USE(GSTREAMER)
#include "RealtimeOutgoingVideoSourceLibWebRTC.h"
#include "GStreamerVideoFrameLibWebRTC.h"
#include "VideoFrameGStreamer.h"
namespace WebCore {
Ref<RealtimeOutgoingVideoSource> RealtimeOutgoingVideoSource::create(Ref<MediaStreamTrackPrivate>&& videoSource)
{
return RealtimeOutgoingVideoSourceLibWebRTC::create(WTFMove(videoSource));
}
Ref<RealtimeOutgoingVideoSourceLibWebRTC> RealtimeOutgoingVideoSourceLibWebRTC::create(Ref<MediaStreamTrackPrivate>&& videoSource)
{
return adoptRef(*new RealtimeOutgoingVideoSourceLibWebRTC(WTFMove(videoSource)));
}
RealtimeOutgoingVideoSourceLibWebRTC::RealtimeOutgoingVideoSourceLibWebRTC(Ref<MediaStreamTrackPrivate>&& videoSource)
: RealtimeOutgoingVideoSource(WTFMove(videoSource))
{
}
void RealtimeOutgoingVideoSourceLibWebRTC::videoFrameAvailable(VideoFrame& videoFrame, VideoFrameTimeMetadata)
{
switch (videoFrame.rotation()) {
case VideoFrame::Rotation::None:
m_currentRotation = webrtc::kVideoRotation_0;
break;
case VideoFrame::Rotation::UpsideDown:
m_currentRotation = webrtc::kVideoRotation_180;
break;
case VideoFrame::Rotation::Right:
m_currentRotation = webrtc::kVideoRotation_90;
break;
case VideoFrame::Rotation::Left:
m_currentRotation = webrtc::kVideoRotation_270;
break;
}
auto frameBuffer = GStreamerVideoFrameLibWebRTC::create(static_cast<VideoFrameGStreamer&>(videoFrame).sample());
sendFrame(WTFMove(frameBuffer));
}
rtc::scoped_refptr<webrtc::VideoFrameBuffer> RealtimeOutgoingVideoSourceLibWebRTC::createBlackFrame(size_t width, size_t height)
{
GstVideoInfo info;
gst_video_info_set_format(&info, GST_VIDEO_FORMAT_RGB, width, height);
GRefPtr<GstBuffer> buffer = adoptGRef(gst_buffer_new_allocate(nullptr, info.size, nullptr));
GRefPtr<GstCaps> caps = adoptGRef(gst_video_info_to_caps(&info));
GstMappedBuffer map(buffer.get(), GST_MAP_WRITE);
memset(map.data(), 0, info.size);
return GStreamerVideoFrameLibWebRTC::create(gst_sample_new(buffer.get(), caps.get(), NULL, NULL));
}
} // namespace WebCore
#endif // USE(LIBWEBRTC)
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