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/*
* Copyright (C) 2017-2022 Igalia S.L. All rights reserved.
* Copyright (C) 2022 Metrological Group B.V.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#pragma once
#if USE(GSTREAMER_WEBRTC)
#include "GUniquePtrGStreamer.h"
#include "RealtimeOutgoingMediaSourceGStreamer.h"
namespace WebCore {
class RealtimeOutgoingVideoSourceGStreamer final : public RealtimeOutgoingMediaSourceGStreamer {
public:
static Ref<RealtimeOutgoingVideoSourceGStreamer> create(const RefPtr<UniqueSSRCGenerator>& ssrcGenerator, const String& mediaStreamId, MediaStreamTrack& track) { return adoptRef(*new RealtimeOutgoingVideoSourceGStreamer(ssrcGenerator, mediaStreamId, track)); }
void setApplyRotation(bool shouldApplyRotation) { m_shouldApplyRotation = shouldApplyRotation; }
bool setPayloadType(const GRefPtr<GstCaps>&) final;
void teardown() final;
void flush() final;
void setParameters(GUniquePtr<GstStructure>&&) final;
void fillEncodingParameters(const GUniquePtr<GstStructure>&) final;
const GstStructure* stats() const { return m_stats.get(); }
protected:
explicit RealtimeOutgoingVideoSourceGStreamer(const RefPtr<UniqueSSRCGenerator>&, const String& mediaStreamId, MediaStreamTrack&);
void sourceEnabledChanged() final;
bool m_shouldApplyRotation { false };
private:
void codecPreferencesChanged(const GRefPtr<GstCaps>&) final;
RTCRtpCapabilities rtpCapabilities() const final;
void startUpdatingStats();
void stopUpdatingStats();
void connectFallbackSource() final;
void unlinkOutgoingSource() final;
void linkOutgoingSource() final;
void updateStats(GstBuffer*);
GRefPtr<GstElement> m_videoConvert;
GRefPtr<GstElement> m_videoFlip;
GRefPtr<GstElement> m_videoRate;
GRefPtr<GstElement> m_frameRateCapsFilter;
GUniquePtr<GstStructure> m_stats;
unsigned long m_statsPadProbeId { 0 };
};
} // namespace WebCore
#endif // USE(GSTREAMER_WEBRTC)
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