gstreamer/subprojects/gst-plugins-base/ext/pango/gsttimeoverlay.h
Mathieu Duponchelle 14b37268f6 timeoverlay: add support for reference timestamp time mode
+ update date-time mode to actually use the timestamp that
  was selected with the time-mode property

Co-authored-by: Sebastian Dröge <sebastian@centricular.com>
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2252>
2022-04-27 12:35:21 +00:00

85 lines
2.5 KiB
C

/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
* Copyright (C) <2005> Tim-Philipp Müller <tim@centricular.net>
*
* 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_TIME_OVERLAY_H__
#define __GST_TIME_OVERLAY_H__
#include "gstbasetextoverlay.h"
G_BEGIN_DECLS
#define GST_TYPE_TIME_OVERLAY \
(gst_time_overlay_get_type())
#define GST_TIME_OVERLAY(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_TIME_OVERLAY,GstTimeOverlay))
#define GST_TIME_OVERLAY_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_TIME_OVERLAY,GstTimeOverlayClass))
#define GST_IS_TIME_OVERLAY(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_TIME_OVERLAY))
#define GST_IS_TIME_OVERLAY_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_TIME_OVERLAY))
#define GST_TIME_OVERLAY_CAST(obj) ((GstTimeOverlay*)(obj))
typedef struct _GstTimeOverlay GstTimeOverlay;
typedef struct _GstTimeOverlayClass GstTimeOverlayClass;
typedef enum {
GST_TIME_OVERLAY_TIME_LINE_BUFFER_TIME,
GST_TIME_OVERLAY_TIME_LINE_STREAM_TIME,
GST_TIME_OVERLAY_TIME_LINE_RUNNING_TIME,
GST_TIME_OVERLAY_TIME_LINE_TIME_CODE,
GST_TIME_OVERLAY_TIME_LINE_ELAPSED_RUNNING_TIME,
GST_TIME_OVERLAY_TIME_LINE_REFERENCE_TIMESTAMP,
} GstTimeOverlayTimeLine;
/**
* GstTimeOverlay:
*
* Opaque timeoverlay data structure.
*/
struct _GstTimeOverlay {
GstBaseTextOverlay textoverlay;
/*< private >*/
GstTimeOverlayTimeLine time_line;
/* For datetime mode */
gboolean show_times_as_dates;
gchar *datetime_format;
GDateTime *datetime_epoch;
GstCaps *reference_timestamp_caps;
/* For GST_TIME_OVERLAY_TIME_LINE_ELAPSED_RUNNING_TIME mode */
GstClockTime first_running_time;
GstPadEventFunction orig_video_event;
};
struct _GstTimeOverlayClass {
GstBaseTextOverlayClass parent_class;
};
GType gst_time_overlay_get_type (void);
G_END_DECLS
#endif /* __GST_TIME_OVERLAY_H__ */