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92d10cbb8c
This prevents the ugly hack where the text_sink pad template was only added for textoverlay but not for the subclasses. Also makes this work with the core change that made subclasses inherit the templates of their parent class.
81 lines
2.5 KiB
C
81 lines
2.5 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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* Copyright (C) <2005> Tim-Philipp Müller <tim@centricular.net>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_CLOCK_OVERLAY_H__
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#define __GST_CLOCK_OVERLAY_H__
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#include "gstbasetextoverlay.h"
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G_BEGIN_DECLS
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#define GST_TYPE_CLOCK_OVERLAY \
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(gst_clock_overlay_get_type())
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#define GST_CLOCK_OVERLAY(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_CLOCK_OVERLAY,GstClockOverlay))
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#define GST_CLOCK_OVERLAY_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_CLOCK_OVERLAY,GstClockOverlayClass))
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#define GST_IS_CLOCK_OVERLAY(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_CLOCK_OVERLAY))
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#define GST_IS_CLOCK_OVERLAY_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_CLOCK_OVERLAY))
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typedef struct _GstClockOverlay GstClockOverlay;
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typedef struct _GstClockOverlayClass GstClockOverlayClass;
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/**
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* GstClockOverlay:
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*
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* Opaque clockoverlay data structure.
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*/
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struct _GstClockOverlay {
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GstBaseTextOverlay textoverlay;
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gchar *format; /* as in strftime () */
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gchar *text;
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};
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struct _GstClockOverlayClass {
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GstBaseTextOverlayClass parent_class;
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};
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GType gst_clock_overlay_get_type (void);
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/* This is a hack hat allows us to use nonliterals for strftime without
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* triggering a warning from -Wformat-nonliteral. We need to allow this
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* because we export the format string as a property of the element.
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* For the inspiration of this and a discussion of why this is necessary,
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* see http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39438
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*/
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#ifdef __GNUC__
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#pragma GCC system_header
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static size_t my_strftime(char *s, size_t max, const char *format,
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const struct tm *tm)
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{
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return strftime (s, max, format, tm);
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}
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#define strftime my_strftime
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#endif
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G_END_DECLS
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#endif /* __GST_CLOCK_OVERLAY_H__ */
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