1 /* 2 * GStreamer 3 * Copyright (C) 2016 Matthew Waters <matthew@centricular.com> 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Library General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Library General Public License for more details. 14 * 15 * You should have received a copy of the GNU Library General Public 16 * License along with this library; if not, write to the 17 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 18 * Boston, MA 02110-1301, USA. 19 */ 20 21 #ifndef _GST_GL_VIDEO_FLIP_H_ 22 #define _GST_GL_VIDEO_FLIP_H_ 23 24 #include <gst/gl/gl.h> 25 26 G_BEGIN_DECLS 27 28 #define GST_TYPE_GL_VIDEO_FLIP (gst_gl_video_flip_get_type()) 29 #define GST_GL_VIDEO_FLIP(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_VIDEO_FLIP,GstGLVideoFlip)) 30 #define GST_IS_GL_VIDEO_FLIP(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_VIDEO_FLIP)) 31 #define GST_GL_VIDEO_FLIP_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_GL_VIDEO_FLIP,GstGLVideoFlipClass)) 32 #define GST_IS_GL_VIDEO_FLIP_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_GL_VIDEO_FLIP)) 33 #define GST_GL_VIDEO_FLIP_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_GL_VIDEO_FLIP,GstGLVideoFlipClass)) 34 35 /** 36 * GstVideoFlipMethod: 37 * @GST_GL_VIDEO_FLIP_METHOD_IDENTITY: Identity (no rotation) 38 * @GST_GL_VIDEO_FLIP_METHOD_90R: Rotate clockwise 90 degrees 39 * @GST_GL_VIDEO_FLIP_METHOD_180: Rotate 180 degrees 40 * @GST_GL_VIDEO_FLIP_METHOD_90L: Rotate counter-clockwise 90 degrees 41 * @GST_GL_VIDEO_FLIP_METHOD_FLIP_HORIZ: Flip horizontally 42 * @GST_GL_VIDEO_FLIP_METHOD_FLIP_VERT: Flip vertically 43 * @GST_GL_VIDEO_FLIP_METHOD_FLIP_UL_LR: Flip across upper left/lower right diagonal 44 * @GST_GL_VIDEO_FLIP_METHOD_FLIP_UR_LL: Flip across upper right/lower left diagonal 45 * @GST_GL_VIDEO_FLIP_METHOD_AUTO: Select flip method based on image-orientation tag 46 * 47 * The different flip methods. 48 */ 49 typedef enum { 50 GST_GL_VIDEO_FLIP_METHOD_IDENTITY, 51 GST_GL_VIDEO_FLIP_METHOD_90R, 52 GST_GL_VIDEO_FLIP_METHOD_180, 53 GST_GL_VIDEO_FLIP_METHOD_90L, 54 GST_GL_VIDEO_FLIP_METHOD_FLIP_HORIZ, 55 GST_GL_VIDEO_FLIP_METHOD_FLIP_VERT, 56 GST_GL_VIDEO_FLIP_METHOD_FLIP_UL_LR, 57 GST_GL_VIDEO_FLIP_METHOD_FLIP_UR_LL, 58 GST_GL_VIDEO_FLIP_METHOD_AUTO, 59 } GstGLVideoFlipMethod; 60 61 typedef struct _GstGLVideoFlip GstGLVideoFlip; 62 typedef struct _GstGLVideoFlipClass GstGLVideoFlipClass; 63 64 struct _GstGLVideoFlip 65 { 66 GstBin bin; 67 68 GstPad *srcpad; 69 GstPad *sinkpad; 70 71 GstElement *input_capsfilter; 72 GstElement *transformation; 73 GstElement *output_capsfilter; 74 75 gulong sink_probe; 76 gulong src_probe; 77 78 GstCaps *input_caps; 79 80 /* properties */ 81 GstVideoOrientationMethod method; 82 GstVideoOrientationMethod tag_method; 83 GstVideoOrientationMethod active_method; 84 85 gfloat aspect; 86 }; 87 88 struct _GstGLVideoFlipClass 89 { 90 GstBinClass filter_class; 91 }; 92 93 GType gst_gl_video_flip_get_type (void); 94 95 G_END_DECLS 96 97 #endif /* _GST_GL_VIDEO_FLIP_H_ */ 98