| /* GStreamer |
| * Copyright (C) 2006 Nokia <stefan.kost@nokia.com |
| * |
| * videoorientation.h: video flipping and centering interface |
| * |
| * 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_ORIENTATION_H__ |
| #define __GST_VIDEO_ORIENTATION_H__ |
| |
| #include <gst/gst.h> |
| #include <gst/video/video-prelude.h> |
| |
| G_BEGIN_DECLS |
| |
| #define GST_TYPE_VIDEO_ORIENTATION \ |
| (gst_video_orientation_get_type ()) |
| #define GST_VIDEO_ORIENTATION(obj) \ |
| (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_VIDEO_ORIENTATION, GstVideoOrientation)) |
| #define GST_IS_VIDEO_ORIENTATION(obj) \ |
| (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_VIDEO_ORIENTATION)) |
| #define GST_VIDEO_ORIENTATION_GET_INTERFACE(inst) \ |
| (G_TYPE_INSTANCE_GET_INTERFACE ((inst), GST_TYPE_VIDEO_ORIENTATION, GstVideoOrientationInterface)) |
| |
| /** |
| * GstVideoOrientation: |
| * |
| * Opaque #GstVideoOrientation data structure. |
| */ |
| typedef struct _GstVideoOrientation GstVideoOrientation; |
| typedef struct _GstVideoOrientationInterface GstVideoOrientationInterface; |
| |
| /** |
| * GstVideoOrientationInterface: |
| * @iface: parent interface type. |
| * @get_hflip: virtual method to get horizontal flipping state |
| * @get_vflip: virtual method to get vertical flipping state |
| * @get_hcenter: virtual method to get horizontal centering state |
| * @get_vcenter: virtual method to get vertical centering state |
| * @set_hflip: virtual method to set horizontal flipping state |
| * @set_vflip: virtual method to set vertical flipping state |
| * @set_hcenter: virtual method to set horizontal centering state |
| * @set_vcenter: virtual method to set vertical centering state |
| * |
| * #GstVideoOrientationInterface interface. |
| */ |
| struct _GstVideoOrientationInterface { |
| GTypeInterface iface; |
| |
| /* FIXME 0.11: fix awkward API? add some kind of get_supported flags thing |
| * and then just return booleans/int from all vfuncs requiring the caller |
| * to check the flags first */ |
| |
| /* virtual functions */ |
| gboolean (* get_hflip) (GstVideoOrientation *video_orientation, gboolean *flip); |
| gboolean (* get_vflip) (GstVideoOrientation *video_orientation, gboolean *flip); |
| gboolean (* get_hcenter) (GstVideoOrientation *video_orientation, gint *center); |
| gboolean (* get_vcenter) (GstVideoOrientation *video_orientation, gint *center); |
| |
| gboolean (* set_hflip) (GstVideoOrientation *video_orientation, gboolean flip); |
| gboolean (* set_vflip) (GstVideoOrientation *video_orientation, gboolean flip); |
| gboolean (* set_hcenter) (GstVideoOrientation *video_orientation, gint center); |
| gboolean (* set_vcenter) (GstVideoOrientation *video_orientation, gint center); |
| }; |
| |
| GST_VIDEO_API |
| GType gst_video_orientation_get_type (void); |
| |
| /* virtual class function wrappers */ |
| |
| GST_VIDEO_API |
| gboolean gst_video_orientation_get_hflip (GstVideoOrientation *video_orientation, gboolean *flip); |
| |
| GST_VIDEO_API |
| gboolean gst_video_orientation_get_vflip (GstVideoOrientation *video_orientation, gboolean *flip); |
| |
| GST_VIDEO_API |
| gboolean gst_video_orientation_get_hcenter (GstVideoOrientation *video_orientation, gint *center); |
| |
| GST_VIDEO_API |
| gboolean gst_video_orientation_get_vcenter (GstVideoOrientation *video_orientation, gint *center); |
| |
| GST_VIDEO_API |
| gboolean gst_video_orientation_set_hflip (GstVideoOrientation *video_orientation, gboolean flip); |
| |
| GST_VIDEO_API |
| gboolean gst_video_orientation_set_vflip (GstVideoOrientation *video_orientation, gboolean flip); |
| |
| GST_VIDEO_API |
| gboolean gst_video_orientation_set_hcenter (GstVideoOrientation *video_orientation, gint center); |
| |
| GST_VIDEO_API |
| gboolean gst_video_orientation_set_vcenter (GstVideoOrientation *video_orientation, gint center); |
| |
| G_END_DECLS |
| |
| #endif /* __GST_VIDEO_ORIENTATION_H__ */ |