1 /* GStreamer
2 * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
3 * Copyright (C) <2005> Tim-Philipp Müller <tim@centricular.net>
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_CLOCK_OVERLAY_H__
23 #define __GST_CLOCK_OVERLAY_H__
24
25 #include "gstbasetextoverlay.h"
26
27 G_BEGIN_DECLS
28
29 #define GST_TYPE_CLOCK_OVERLAY \
30 (gst_clock_overlay_get_type())
31 #define GST_CLOCK_OVERLAY(obj) \
32 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_CLOCK_OVERLAY,GstClockOverlay))
33 #define GST_CLOCK_OVERLAY_CLASS(klass) \
34 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_CLOCK_OVERLAY,GstClockOverlayClass))
35 #define GST_IS_CLOCK_OVERLAY(obj) \
36 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_CLOCK_OVERLAY))
37 #define GST_IS_CLOCK_OVERLAY_CLASS(klass) \
38 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_CLOCK_OVERLAY))
39
40 typedef struct _GstClockOverlay GstClockOverlay;
41 typedef struct _GstClockOverlayClass GstClockOverlayClass;
42
43 /**
44 * GstClockOverlay:
45 *
46 * Opaque clockoverlay data structure.
47 */
48 struct _GstClockOverlay {
49 GstBaseTextOverlay textoverlay;
50 gchar *format; /* as in strftime () */
51
52 /* for wcsftime */
53 gunichar2 *wformat;
54
55 gchar *text;
56 };
57
58 struct _GstClockOverlayClass {
59 GstBaseTextOverlayClass parent_class;
60 };
61
62 GType gst_clock_overlay_get_type (void);
63
64
65 /* This is a hack hat allows us to use nonliterals for strftime without
66 * triggering a warning from -Wformat-nonliteral. We need to allow this
67 * because we export the format string as a property of the element.
68 * For the inspiration of this and a discussion of why this is necessary,
69 * see http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39438
70 */
71 #ifdef __GNUC__
72 #pragma GCC system_header
my_strftime(char * s,size_t max,const char * format,const struct tm * tm)73 static size_t my_strftime(char *s, size_t max, const char *format,
74 const struct tm *tm)
75 {
76 return strftime (s, max, format, tm);
77 }
78 #define strftime my_strftime
79 #endif
80
81
82 G_END_DECLS
83
84 #endif /* __GST_CLOCK_OVERLAY_H__ */
85
86