1 /* GStreamer 2 * 3 * Copyright (C) 2007 Sebastian Dröge <slomo@circular-chaos.org> 4 * 2011 Stefan Sauer <ensonic@users.sf.net> 5 * 6 * gsttriggercontrolsource.h: Control source that provides some values at time- 7 * stamps 8 * 9 * This library is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU Library General Public 11 * License as published by the Free Software Foundation; either 12 * version 2 of the License, or (at your option) any later version. 13 * 14 * This library is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 17 * Library General Public License for more details. 18 * 19 * You should have received a copy of the GNU Library General Public 20 * License along with this library; if not, write to the 21 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 22 * Boston, MA 02110-1301, USA. 23 */ 24 25 26 #ifndef __GST_TRIGGER_CONTROL_SOURCE_H__ 27 #define __GST_TRIGGER_CONTROL_SOURCE_H__ 28 29 #include <glib-object.h> 30 #include <gst/gst.h> 31 32 #include <gst/controller/gsttimedvaluecontrolsource.h> 33 34 G_BEGIN_DECLS 35 36 #define GST_TYPE_TRIGGER_CONTROL_SOURCE \ 37 (gst_trigger_control_source_get_type ()) 38 #define GST_TRIGGER_CONTROL_SOURCE(obj) \ 39 (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_TRIGGER_CONTROL_SOURCE, GstTriggerControlSource)) 40 #define GST_TRIGGER_CONTROL_SOURCE_CLASS(vtable) \ 41 (G_TYPE_CHECK_CLASS_CAST ((vtable), GST_TYPE_TRIGGER_CONTROL_SOURCE, GstTriggerControlSourceClass)) 42 #define GST_IS_TRIGGER_CONTROL_SOURCE(obj) \ 43 (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_TRIGGER_CONTROL_SOURCE)) 44 #define GST_IS_TRIGGER_CONTROL_SOURCE_CLASS(vtable) \ 45 (G_TYPE_CHECK_CLASS_TYPE ((vtable), GST_TYPE_TRIGGER_CONTROL_SOURCE)) 46 #define GST_TRIGGER_CONTROL_SOURCE_GET_CLASS(inst) \ 47 (G_TYPE_INSTANCE_GET_CLASS ((inst), GST_TYPE_TRIGGER_CONTROL_SOURCE, GstTriggerControlSourceClass)) 48 49 #define GST_TYPE_TRIGGER_WAVEFORM (gst_trigger_waveform_get_type ()) 50 51 typedef struct _GstTriggerControlSource GstTriggerControlSource; 52 typedef struct _GstTriggerControlSourceClass GstTriggerControlSourceClass; 53 typedef struct _GstTriggerControlSourcePrivate GstTriggerControlSourcePrivate; 54 55 /** 56 * GstTriggerControlSource: 57 * 58 * The instance structure of #GstControlSource. 59 */ 60 struct _GstTriggerControlSource { 61 GstTimedValueControlSource parent; 62 63 /*< private >*/ 64 GstTriggerControlSourcePrivate *priv; 65 gpointer _gst_reserved[GST_PADDING]; 66 }; 67 68 struct _GstTriggerControlSourceClass { 69 GstTimedValueControlSourceClass parent_class; 70 71 /*< private >*/ 72 gpointer _gst_reserved[GST_PADDING]; 73 }; 74 75 GST_CONTROLLER_API 76 GType gst_trigger_control_source_get_type (void); 77 78 /* Functions */ 79 80 GST_CONTROLLER_API 81 GstControlSource *gst_trigger_control_source_new (void); 82 83 G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstTriggerControlSource, gst_object_unref) 84 85 G_END_DECLS 86 87 #endif /* __GST_TRIGGER_CONTROL_SOURCE_H__ */ 88