1 /* GStreamer 2 * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> 3 * 4 * EffecTV: 5 * Copyright (C) 2001 FUKUCHI Kentarou 6 * 7 * EffecTV is free software. This library is free software; 8 * you can redistribute it and/or 9 * modify it under the terms of the GNU Library General Public 10 * License as published by the Free Software Foundation; either 11 * version 2 of the License, or (at your option) any later version. 12 * 13 * This library is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Library General Public License for more details. 17 * 18 * You should have received a copy of the GNU Library General Public 19 * License along with this library; if not, write to the 20 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 21 * Boston, MA 02110-1301, USA. 22 */ 23 24 #ifndef __GST_VERTIGO_H__ 25 #define __GST_VERTIGO_H__ 26 27 #include <gst/gst.h> 28 29 #include <gst/video/video.h> 30 #include <gst/video/gstvideofilter.h> 31 32 G_BEGIN_DECLS 33 34 #define GST_TYPE_VERTIGOTV \ 35 (gst_vertigotv_get_type()) 36 #define GST_VERTIGOTV(obj) \ 37 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VERTIGOTV,GstVertigoTV)) 38 #define GST_VERTIGOTV_CLASS(klass) \ 39 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VERTIGOTV,GstVertigoTVClass)) 40 #define GST_IS_VERTIGOTV(obj) \ 41 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VERTIGOTV)) 42 #define GST_IS_VERTIGOTV_CLASS(klass) \ 43 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VERTIGOTV)) 44 45 typedef struct _GstVertigoTV GstVertigoTV; 46 typedef struct _GstVertigoTVClass GstVertigoTVClass; 47 48 struct _GstVertigoTV 49 { 50 GstVideoFilter videofilter; 51 52 /* < private > */ 53 guint32 *buffer; 54 guint32 *current_buffer, *alt_buffer; 55 gint dx, dy; 56 gint sx, sy; 57 gdouble phase; 58 gdouble phase_increment; 59 gdouble zoomrate; 60 }; 61 62 struct _GstVertigoTVClass 63 { 64 GstVideoFilterClass parent_class; 65 }; 66 67 GType gst_vertigotv_get_type (void); 68 69 G_END_DECLS 70 71 #endif /* __GST_VERTIGO_H__ */ 72