GStreamerVideoCaptureSource.h [plain text]
#pragma once
#if ENABLE(MEDIA_STREAM) && USE(LIBWEBRTC) && USE(GSTREAMER)
#include "GStreamerVideoCapturer.h"
#include "RealtimeMediaSource.h"
namespace WebCore {
class GStreamerVideoCaptureSource : public RealtimeMediaSource {
public:
static CaptureSourceOrError create(const String& deviceID, const MediaConstraints*);
WEBCORE_EXPORT static VideoCaptureFactory& factory();
const RealtimeMediaSourceCapabilities& capabilities() const override;
const RealtimeMediaSourceSettings& settings() const override;
GstElement* pipeline() { return m_capturer->pipeline(); }
GStreamerCapturer* capturer() { return m_capturer.get(); }
protected:
GStreamerVideoCaptureSource(const String& deviceID, const String& name, const gchar * source_factory);
GStreamerVideoCaptureSource(GStreamerCaptureDevice);
virtual ~GStreamerVideoCaptureSource();
void startProducingData() override;
void stopProducingData() override;
mutable std::optional<RealtimeMediaSourceCapabilities> m_capabilities;
mutable std::optional<RealtimeMediaSourceSettings> m_currentSettings;
private:
static GstFlowReturn newSampleCallback(GstElement*, GStreamerVideoCaptureSource*);
bool isCaptureSource() const final { return true; }
bool applySize(const IntSize&) final;
bool applyFrameRate(double) final;
bool applyAspectRatio(double) final { return true; }
std::unique_ptr<GStreamerVideoCapturer> m_capturer;
};
}
#endif // ENABLE(MEDIA_STREAM) && USE(LIBWEBRTC) && USE(GSTREAMER)