| /* GStreamer | |
| * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> | |
| * Copyright (C) 2020 Thibault Saunier <tsaunier@igalia.com> | |
| * | |
| * 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_CONVERT_SCALE_H__ | |
| #define __GST_VIDEO_CONVERT_SCALE_H__ | |
| #include <gst/gst.h> | |
| #include <gst/video/video.h> | |
| #include <gst/video/gstvideofilter.h> | |
| G_BEGIN_DECLS | |
| #define GST_TYPE_VIDEO_CONVERT_SCALE (gst_video_convert_scale_get_type()) | |
| #define GST_VIDEO_CONVERT_SCALE_CAST(obj) ((GstVideoConvertScale *)(obj)) | |
| G_DECLARE_DERIVABLE_TYPE (GstVideoConvertScale, gst_video_convert_scale, GST, VIDEO_CONVERT_SCALE, | |
| GstVideoFilter) | |
| struct _GstVideoConvertScaleClass | |
| { | |
| GstVideoFilterClass parent; | |
| gboolean scales; | |
| gboolean converts; | |
| }; | |
| /** | |
| * GstVideoScaleMethod: | |
| * @GST_VIDEO_SCALE_NEAREST: use nearest neighbour scaling (fast and ugly) | |
| * @GST_VIDEO_SCALE_BILINEAR: use 2-tap bilinear scaling (slower but prettier). | |
| * @GST_VIDEO_SCALE_4TAP: use a 4-tap sinc filter for scaling (slow). | |
| * @GST_VIDEO_SCALE_LANCZOS: use a multitap Lanczos filter for scaling (slow). | |
| * @GST_VIDEO_SCALE_BILINEAR2: use a multitap bilinear filter | |
| * @GST_VIDEO_SCALE_SINC: use a multitap sinc filter | |
| * @GST_VIDEO_SCALE_HERMITE: use a multitap bicubic Hermite filter | |
| * @GST_VIDEO_SCALE_SPLINE: use a multitap bicubic spline filter | |
| * @GST_VIDEO_SCALE_CATROM: use a multitap bicubic Catmull-Rom filter | |
| * @GST_VIDEO_SCALE_MITCHELL: use a multitap bicubic Mitchell filter | |
| * | |
| * The videoscale method to use. | |
| */ | |
| typedef enum { | |
| GST_VIDEO_SCALE_NEAREST, | |
| GST_VIDEO_SCALE_BILINEAR, | |
| GST_VIDEO_SCALE_4TAP, | |
| GST_VIDEO_SCALE_LANCZOS, | |
| GST_VIDEO_SCALE_BILINEAR2, | |
| GST_VIDEO_SCALE_SINC, | |
| GST_VIDEO_SCALE_HERMITE, | |
| GST_VIDEO_SCALE_SPLINE, | |
| GST_VIDEO_SCALE_CATROM, | |
| GST_VIDEO_SCALE_MITCHELL | |
| } GstVideoScaleMethod; | |
| GST_ELEMENT_REGISTER_DECLARE (videoconvertscale); | |
| G_END_DECLS | |
| #endif /* __GST_VIDEO_CONVERT_SCALE_H__ */ |