1 /* GStreamer 2 * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> 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_FLIP_H__ 21 #define __GST_VIDEO_FLIP_H__ 22 23 #include <gst/gst.h> 24 #include <gst/video/video.h> 25 #include <gst/video/gstvideofilter.h> 26 27 G_BEGIN_DECLS 28 29 /** 30 * GstVideoFlipMethod: 31 * @GST_VIDEO_FLIP_METHOD_IDENTITY: Identity (no rotation) 32 * @GST_VIDEO_FLIP_METHOD_90R: Rotate clockwise 90 degrees 33 * @GST_VIDEO_FLIP_METHOD_180: Rotate 180 degrees 34 * @GST_VIDEO_FLIP_METHOD_90L: Rotate counter-clockwise 90 degrees 35 * @GST_VIDEO_FLIP_METHOD_HORIZ: Flip horizontally 36 * @GST_VIDEO_FLIP_METHOD_VERT: Flip vertically 37 * @GST_VIDEO_FLIP_METHOD_TRANS: Flip across upper left/lower right diagonal 38 * @GST_VIDEO_FLIP_METHOD_OTHER: Flip across upper right/lower left diagonal 39 * @GST_VIDEO_FLIP_METHOD_AUTO: Select flip method based on image-orientation tag 40 * 41 * The different flip methods. 42 */ 43 typedef enum { 44 GST_VIDEO_FLIP_METHOD_IDENTITY, 45 GST_VIDEO_FLIP_METHOD_90R, 46 GST_VIDEO_FLIP_METHOD_180, 47 GST_VIDEO_FLIP_METHOD_90L, 48 GST_VIDEO_FLIP_METHOD_HORIZ, 49 GST_VIDEO_FLIP_METHOD_VERT, 50 GST_VIDEO_FLIP_METHOD_TRANS, 51 GST_VIDEO_FLIP_METHOD_OTHER, 52 GST_VIDEO_FLIP_METHOD_AUTO 53 } GstVideoFlipMethod; 54 55 #define GST_TYPE_VIDEO_FLIP \ 56 (gst_video_flip_get_type()) 57 #define GST_VIDEO_FLIP(obj) \ 58 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VIDEO_FLIP,GstVideoFlip)) 59 #define GST_VIDEO_FLIP_CLASS(klass) \ 60 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VIDEO_FLIP,GstVideoFlipClass)) 61 #define GST_IS_VIDEO_FLIP(obj) \ 62 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VIDEO_FLIP)) 63 #define GST_IS_VIDEO_FLIP_CLASS(klass) \ 64 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VIDEO_FLIP)) 65 66 typedef struct _GstVideoFlip GstVideoFlip; 67 typedef struct _GstVideoFlipClass GstVideoFlipClass; 68 69 /** 70 * GstVideoFlip: 71 * 72 * Opaque datastructure. 73 */ 74 struct _GstVideoFlip { 75 GstVideoFilter videofilter; 76 77 /* < private > */ 78 GstVideoOrientationMethod method; 79 GstVideoOrientationMethod tag_method; 80 GstVideoOrientationMethod active_method; 81 void (*process) (GstVideoFlip *videoflip, GstVideoFrame *dest, const GstVideoFrame *src); 82 }; 83 84 struct _GstVideoFlipClass { 85 GstVideoFilterClass parent_class; 86 }; 87 88 GType gst_video_flip_get_type (void); 89 90 G_END_DECLS 91 92 #endif /* __GST_VIDEO_FLIP_H__ */ 93