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Member "gstreamer-1.16.1/plugins/elements/gstvalve.h" (19 Apr 2019, 1980 Bytes) of package /linux/misc/gstreamer-1.16.1.tar.xz:


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    1 /* GStreamer valve element
    2  *
    3  *  Copyright 2007 Collabora Ltd, 
    4  *  Copyright 2007 Nokia Corporation
    5  *   @author: Olivier Crete <olivier.crete@collabora.co.uk>
    6  *
    7  * This library is free software; you can redistribute it and/or
    8  * modify it under the terms of the GNU Library General Public
    9  * License as published by the Free Software Foundation; either
   10  * version 2 of the License, or (at your option) any later version.
   11  *
   12  * This library is distributed in the hope that it will be useful,
   13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   15  * Library General Public License for more details.
   16  *
   17  * You should have received a copy of the GNU Library General Public
   18  * License along with this library; if not, write to the
   19  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
   20  * Boston, MA 02110-1301, USA.
   21  *
   22  */
   23 
   24 #ifndef __GST_VALVE_H__
   25 #define __GST_VALVE_H__
   26 
   27 #include <gst/gst.h>
   28 
   29 G_BEGIN_DECLS
   30 /* #define's don't like whitespacey bits */
   31 #define GST_TYPE_VALVE \
   32   (gst_valve_get_type())
   33 #define GST_VALVE(obj) \
   34   (G_TYPE_CHECK_INSTANCE_CAST((obj), \
   35   GST_TYPE_VALVE,GstValve))
   36 #define GST_VALVE_CLASS(klass) \
   37   (G_TYPE_CHECK_CLASS_CAST((klass), \
   38   GST_TYPE_VALVE,GstValveClass))
   39 #define GST_IS_VALVE(obj) \
   40   (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VALVE))
   41 #define GST_IS_VALVE_CLASS(obj) \
   42   (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VALVE))
   43 
   44 typedef struct _GstValve GstValve;
   45 typedef struct _GstValveClass GstValveClass;
   46 
   47 /**
   48  * GstValve:
   49  *
   50  * The private valve structure
   51  */
   52 struct _GstValve
   53 {
   54   /*< private >*/
   55   GstElement parent;
   56 
   57   /* atomic boolean */
   58   volatile gint drop;
   59 
   60   /* Protected by the stream lock */
   61   gboolean discont;
   62   gboolean need_repush_sticky;
   63 
   64   GstPad *srcpad;
   65   GstPad *sinkpad;
   66 };
   67 
   68 struct _GstValveClass
   69 {
   70   GstElementClass parent_class;
   71 };
   72 
   73 G_GNUC_INTERNAL GType gst_valve_get_type (void);
   74 
   75 G_END_DECLS
   76 
   77 #endif /* __GST_VALVE_H__ */