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authorHyungKyu Song <hk76.song@samsung.com>2013-02-16 00:14:42 +0900
committerHyungKyu Song <hk76.song@samsung.com>2013-02-16 00:14:42 +0900
commit715f9ce62a12d128754d2cf47f90a024b537e320 (patch)
tree57fb94c81055a31938bea831641092152a03089f /gst/videocrop/gstvideocrop.h
parentdfa84b358c7cdf0535eba1fead62fc4122cc56e6 (diff)
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+/* GStreamer video frame cropping
+ * Copyright (C) 2006 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __GST_VIDEO_CROP_H__
+#define __GST_VIDEO_CROP_H__
+
+#include <gst/base/gstbasetransform.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_VIDEO_CROP \
+ (gst_video_crop_get_type())
+#define GST_VIDEO_CROP(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VIDEO_CROP,GstVideoCrop))
+#define GST_VIDEO_CROP_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VIDEO_CROP,GstVideoCropClass))
+#define GST_IS_VIDEO_CROP(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VIDEO_CROP))
+#define GST_IS_VIDEO_CROP_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VIDEO_CROP))
+
+typedef enum {
+ VIDEO_CROP_PIXEL_FORMAT_PACKED_SIMPLE = 0, /* RGBx, AYUV */
+ VIDEO_CROP_PIXEL_FORMAT_PACKED_COMPLEX, /* UYVY, YVYU */
+ VIDEO_CROP_PIXEL_FORMAT_PLANAR /* I420, YV12 */
+} VideoCropPixelFormat;
+
+typedef struct _GstVideoCropImageDetails GstVideoCropImageDetails;
+struct _GstVideoCropImageDetails
+{
+ /*< private >*/
+ VideoCropPixelFormat packing;
+
+ guint width;
+ guint height;
+ guint size;
+
+ /* for packed RGB and YUV */
+ guint stride;
+ guint bytes_per_pixel;
+ guint8 macro_y_off; /* for YUY2, YVYU, UYVY, Y offset within macropixel in bytes */
+
+ /* for planar YUV */
+ guint y_stride, y_off;
+ guint u_stride, u_off;
+ guint v_stride, v_off;
+};
+
+typedef struct _GstVideoCrop GstVideoCrop;
+typedef struct _GstVideoCropClass GstVideoCropClass;
+
+struct _GstVideoCrop
+{
+ GstBaseTransform basetransform;
+
+ /*< private >*/
+ gint crop_left;
+ gint crop_right;
+ gint crop_top;
+ gint crop_bottom;
+
+ GstVideoCropImageDetails in; /* details of input image */
+ GstVideoCropImageDetails out; /* details of output image */
+};
+
+struct _GstVideoCropClass
+{
+ GstBaseTransformClass basetransform_class;
+};
+
+GType gst_video_crop_get_type (void);
+
+G_END_DECLS
+
+#endif /* __GST_VIDEO_CROP_H__ */
+