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_TIME_OVERLAY_H__ 23 #define __GST_TIME_OVERLAY_H__ 24 25 #include "gstbasetextoverlay.h" 26 27 G_BEGIN_DECLS 28 29 #define GST_TYPE_TIME_OVERLAY \ 30 (gst_time_overlay_get_type()) 31 #define GST_TIME_OVERLAY(obj) \ 32 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_TIME_OVERLAY,GstTimeOverlay)) 33 #define GST_TIME_OVERLAY_CLASS(klass) \ 34 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_TIME_OVERLAY,GstTimeOverlayClass)) 35 #define GST_IS_TIME_OVERLAY(obj) \ 36 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_TIME_OVERLAY)) 37 #define GST_IS_TIME_OVERLAY_CLASS(klass) \ 38 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_TIME_OVERLAY)) 39 #define GST_TIME_OVERLAY_CAST(obj) ((GstTimeOverlay*)(obj)) 40 41 typedef struct _GstTimeOverlay GstTimeOverlay; 42 typedef struct _GstTimeOverlayClass GstTimeOverlayClass; 43 44 typedef enum { 45 GST_TIME_OVERLAY_TIME_LINE_BUFFER_TIME, 46 GST_TIME_OVERLAY_TIME_LINE_STREAM_TIME, 47 GST_TIME_OVERLAY_TIME_LINE_RUNNING_TIME, 48 GST_TIME_OVERLAY_TIME_LINE_TIME_CODE, 49 GST_TIME_OVERLAY_TIME_LINE_ELAPSED_RUNNING_TIME, 50 } GstTimeOverlayTimeLine; 51 52 /** 53 * GstTimeOverlay: 54 * 55 * Opaque timeoverlay data structure. 56 */ 57 struct _GstTimeOverlay { 58 GstBaseTextOverlay textoverlay; 59 60 /*< private >*/ 61 GstTimeOverlayTimeLine time_line; 62 63 /* For datetime mode */ 64 gboolean show_times_as_dates; 65 gchar *datetime_format; 66 GDateTime *datetime_epoch; 67 68 /* For GST_TIME_OVERLAY_TIME_LINE_ELAPSED_RUNNING_TIME mode */ 69 GstClockTime first_running_time; 70 GstPadEventFunction orig_video_event; 71 }; 72 73 struct _GstTimeOverlayClass { 74 GstBaseTextOverlayClass parent_class; 75 }; 76 77 GType gst_time_overlay_get_type (void); 78 79 G_END_DECLS 80 81 #endif /* __GST_TIME_OVERLAY_H__ */ 82 83