| /* |
| * Copyright (C) 2018 Metrological Group B.V. |
| * Copyright (C) 2020 Igalia S.L. |
| * Author: Thibault Saunier <tsaunier@igalia.com> |
| * Author: Alejandro G. Castro <alex@igalia.com> |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library 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 |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * aint with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| */ |
| |
| #pragma once |
| |
| #if ENABLE(MEDIA_STREAM) && USE(GSTREAMER) |
| |
| #include "GStreamerCaptureDevice.h" |
| #include "GStreamerCommon.h" |
| |
| #include <gst/gst.h> |
| #include <wtf/ThreadSafeRefCounted.h> |
| #include <wtf/WeakHashSet.h> |
| |
| namespace WebCore { |
| |
| class GStreamerCapturer |
| : public ThreadSafeRefCounted<GStreamerCapturer, WTF::DestructionThread::MainRunLoop> { |
| |
| public: |
| class Observer : public CanMakeWeakPtr<Observer> { |
| public: |
| virtual ~Observer(); |
| |
| virtual void sourceCapsChanged(const GstCaps*) { } |
| }; |
| |
| GStreamerCapturer(GStreamerCaptureDevice, GRefPtr<GstCaps>); |
| GStreamerCapturer(const char* sourceFactory, GRefPtr<GstCaps>, CaptureDevice::DeviceType); |
| virtual ~GStreamerCapturer(); |
| |
| void addObserver(Observer&); |
| void removeObserver(Observer&); |
| void forEachObserver(const Function<void(Observer&)>&); |
| |
| void setupPipeline(); |
| void play(); |
| void stop(); |
| GstCaps* caps(); |
| void addSink(GstElement *newSink); |
| GstElement* makeElement(const char* factoryName); |
| virtual GstElement* createSource(); |
| GstElement* source() { return m_src.get(); } |
| virtual const char* name() = 0; |
| |
| GstElement* sink() const { return m_sink.get(); } |
| void setSink(GstElement* sink) { m_sink = adoptGRef(sink); }; |
| |
| GstElement* pipeline() const { return m_pipeline.get(); } |
| virtual GstElement* createConverter() = 0; |
| |
| bool isInterrupted() const; |
| void setInterrupted(bool); |
| |
| CaptureDevice::DeviceType deviceType() const { return m_deviceType; } |
| |
| protected: |
| GRefPtr<GstElement> m_sink; |
| GRefPtr<GstElement> m_src; |
| GRefPtr<GstElement> m_valve; |
| GRefPtr<GstElement> m_tee; |
| GRefPtr<GstElement> m_capsfilter; |
| GRefPtr<GstDevice> m_device; |
| GRefPtr<GstCaps> m_caps; |
| GRefPtr<GstElement> m_pipeline; |
| const char* m_sourceFactory; |
| |
| private: |
| CaptureDevice::DeviceType m_deviceType; |
| WeakHashSet<Observer> m_observers; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif // ENABLE(MEDIA_STREAM) && USE(GSTREAMER) |