| /* |
| * 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 "MediaSampleGStreamer.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::sampleBufferUpdated(MediaStreamTrackPrivate&, MediaSample& sample) |
| { |
| if (isSilenced()) |
| return; |
| |
| switch (sample.videoRotation()) { |
| case MediaSample::VideoRotation::None: |
| m_currentRotation = webrtc::kVideoRotation_0; |
| break; |
| case MediaSample::VideoRotation::UpsideDown: |
| m_currentRotation = webrtc::kVideoRotation_180; |
| break; |
| case MediaSample::VideoRotation::Right: |
| m_currentRotation = webrtc::kVideoRotation_90; |
| break; |
| case MediaSample::VideoRotation::Left: |
| m_currentRotation = webrtc::kVideoRotation_270; |
| break; |
| } |
| |
| ASSERT(sample.platformSample().type == PlatformSample::GStreamerSampleType); |
| auto& mediaSample = static_cast<MediaSampleGStreamer&>(sample); |
| auto frameBuffer(GStreamerVideoFrameLibWebRTC::create(gst_sample_ref(mediaSample.platformSample().sample.gstSample))); |
| |
| 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)); |
| |
| auto map = GstMappedBuffer::create(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) |