| /* GStreamer Video Overlay Interface |
| * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net> |
| * Copyright (C) 2003 Julien Moutte <julien@moutte.net> |
| * Copyright (C) 2011 Tim-Philipp Müller <tim@centricular.net> |
| * |
| * 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 along with this library; if not, write to the |
| * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| */ |
| |
| #ifndef __GST_VIDEO_OVERLAY_H__ |
| #define __GST_VIDEO_OVERLAY_H__ |
| |
| #include <gst/gst.h> |
| #include <gst/video/gstvideosink.h> |
| |
| G_BEGIN_DECLS |
| |
| #define GST_TYPE_VIDEO_OVERLAY \ |
| (gst_video_overlay_get_type ()) |
| #define GST_VIDEO_OVERLAY(obj) \ |
| (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_VIDEO_OVERLAY, GstVideoOverlay)) |
| #define GST_IS_VIDEO_OVERLAY(obj) \ |
| (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_VIDEO_OVERLAY)) |
| #define GST_VIDEO_OVERLAY_GET_INTERFACE(inst) \ |
| (G_TYPE_INSTANCE_GET_INTERFACE ((inst), GST_TYPE_VIDEO_OVERLAY, GstVideoOverlayInterface)) |
| |
| /** |
| * GstVideoOverlay: |
| * |
| * Opaque #GstVideoOverlay interface structure |
| */ |
| typedef struct _GstVideoOverlay GstVideoOverlay; |
| typedef struct _GstVideoOverlayInterface GstVideoOverlayInterface; |
| typedef struct _GstVideoOverlayProperties GstVideoOverlayProperties; |
| |
| /** |
| * GstVideoOverlayInterface: |
| * @iface: parent interface type. |
| * @expose: virtual method to handle expose events |
| * @handle_events: virtual method to handle events |
| * @set_render_rectangle: virtual method to set the render rectangle |
| * @set_window_handle: virtual method to configure the window handle |
| * @properties_offset: Offset to the #GstVideoOverlayProperties in the |
| * instance allocation. Since 1.14 |
| * |
| * #GstVideoOverlay interface |
| */ |
| struct _GstVideoOverlayInterface { |
| GTypeInterface iface; |
| |
| /* virtual functions */ |
| void (*expose) (GstVideoOverlay *overlay); |
| |
| void (*handle_events) (GstVideoOverlay *overlay, gboolean handle_events); |
| |
| void (*set_render_rectangle) (GstVideoOverlay *overlay, |
| gint x, gint y, |
| gint width, gint height); |
| |
| void (*set_window_handle) (GstVideoOverlay *overlay, guintptr handle); |
| }; |
| |
| GST_VIDEO_API |
| GType gst_video_overlay_get_type (void); |
| |
| /* virtual function wrappers */ |
| |
| GST_VIDEO_API |
| gboolean gst_video_overlay_set_render_rectangle (GstVideoOverlay * overlay, |
| gint x, |
| gint y, |
| gint width, |
| gint height); |
| |
| GST_VIDEO_API |
| void gst_video_overlay_expose (GstVideoOverlay * overlay); |
| |
| GST_VIDEO_API |
| void gst_video_overlay_handle_events (GstVideoOverlay * overlay, |
| gboolean handle_events); |
| |
| GST_VIDEO_API |
| void gst_video_overlay_set_window_handle (GstVideoOverlay * overlay, |
| guintptr handle); |
| |
| /* public methods to dispatch bus messages */ |
| |
| GST_VIDEO_API |
| void gst_video_overlay_got_window_handle (GstVideoOverlay * overlay, |
| guintptr handle); |
| |
| GST_VIDEO_API |
| void gst_video_overlay_prepare_window_handle (GstVideoOverlay * overlay); |
| |
| GST_VIDEO_API |
| gboolean gst_is_video_overlay_prepare_window_handle_message (GstMessage * msg); |
| |
| GST_VIDEO_API |
| void gst_video_overlay_install_properties (GObjectClass * oclass, |
| gint last_prop_id); |
| |
| GST_VIDEO_API |
| gboolean gst_video_overlay_set_property (GObject * object, |
| gint last_prop_id, |
| guint property_id, |
| const GValue * value); |
| |
| G_END_DECLS |
| |
| #endif /* __GST_VIDEO_OVERLAY_H__ */ |