1 /* GStreamer video frame cropping 2 * Copyright (C) 2006 Tim-Philipp Müller <tim centricular net> 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public 15 * License along with this library; if not, write to the 16 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 */ 19 20 #ifndef __GST_VIDEO_CROP_H__ 21 #define __GST_VIDEO_CROP_H__ 22 23 #include <gst/video/gstvideofilter.h> 24 25 G_BEGIN_DECLS 26 27 #define GST_TYPE_VIDEO_CROP \ 28 (gst_video_crop_get_type()) 29 #define GST_VIDEO_CROP(obj) \ 30 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VIDEO_CROP,GstVideoCrop)) 31 #define GST_VIDEO_CROP_CLASS(klass) \ 32 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VIDEO_CROP,GstVideoCropClass)) 33 #define GST_IS_VIDEO_CROP(obj) \ 34 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VIDEO_CROP)) 35 #define GST_IS_VIDEO_CROP_CLASS(klass) \ 36 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VIDEO_CROP)) 37 38 typedef enum { 39 VIDEO_CROP_PIXEL_FORMAT_PACKED_SIMPLE = 0, /* RGBx, AYUV */ 40 VIDEO_CROP_PIXEL_FORMAT_PACKED_COMPLEX, /* UYVY, YVYU */ 41 VIDEO_CROP_PIXEL_FORMAT_PLANAR, /* I420, YV12 */ 42 VIDEO_CROP_PIXEL_FORMAT_SEMI_PLANAR /* NV12, NV21 */ 43 } VideoCropPixelFormat; 44 45 typedef struct _GstVideoCropImageDetails GstVideoCropImageDetails; 46 47 typedef struct _GstVideoCrop GstVideoCrop; 48 typedef struct _GstVideoCropClass GstVideoCropClass; 49 50 struct _GstVideoCrop 51 { 52 GstVideoFilter parent; 53 54 /*< private >*/ 55 gint prop_left; 56 gint prop_right; 57 gint prop_top; 58 gint prop_bottom; 59 gboolean need_update; 60 61 GstVideoInfo in_info; 62 GstVideoInfo out_info; 63 64 gint crop_left; 65 gint crop_right; 66 gint crop_top; 67 gint crop_bottom; 68 69 VideoCropPixelFormat packing; 70 gint macro_y_off; 71 }; 72 73 struct _GstVideoCropClass 74 { 75 GstVideoFilterClass parent_class; 76 }; 77 78 GType gst_video_crop_get_type (void); 79 80 G_END_DECLS 81 82 #endif /* __GST_VIDEO_CROP_H__ */ 83 84