1 /* 2 * GStreamer 3 * Copyright (C) 2015 Thiago Santos <thiagoss@osg.samsung.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 22 #ifndef __GST_DIGITAL_ZOOM_H__ 23 #define __GST_DIGITAL_ZOOM_H__ 24 25 #include <gst/gst.h> 26 27 G_BEGIN_DECLS 28 29 #define GST_TYPE_DIGITAL_ZOOM \ 30 (gst_digital_zoom_get_type()) 31 #define GST_DIGITAL_ZOOM(obj) \ 32 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DIGITAL_ZOOM,GstDigitalZoom)) 33 #define GST_DIGITAL_ZOOM_CLASS(klass) \ 34 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DIGITAL_ZOOM,GstDigitalZoomClass)) 35 #define GST_IS_DIGITAL_ZOOM(obj) \ 36 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DIGITAL_ZOOM)) 37 #define GST_IS_DIGITAL_ZOOM_CLASS(klass) \ 38 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DIGITAL_ZOOM)) 39 #define GST_DIGITAL_ZOOM_CAST(d) ((GstDigitalZoom *)(d)) 40 41 GType gst_digital_zoom_get_type (void); 42 43 typedef struct _GstDigitalZoom GstDigitalZoom; 44 typedef struct _GstDigitalZoomClass GstDigitalZoomClass; 45 46 /** 47 * GstDigitalZoom: 48 * 49 */ 50 struct _GstDigitalZoom 51 { 52 GstBin parent; 53 54 GstPad *srcpad; 55 GstPad *sinkpad; 56 57 gboolean elements_created; 58 GstElement *videocrop; 59 GstElement *videoscale; 60 GstElement *capsfilter; 61 62 GstPad *capsfilter_sinkpad; 63 64 gfloat zoom; 65 }; 66 67 68 /** 69 * GstDigitalZoomClass: 70 * 71 */ 72 struct _GstDigitalZoomClass 73 { 74 GstBinClass parent; 75 }; 76 77 G_END_DECLS 78 79 #endif /* __GST_DIGITAL_ZOOM_H__ */ 80