1 /* 2 * Copyright (C) 2015 Centricular Ltd. 3 * Author: Sebastian Dröge <sebastian@centricular.com> 4 * Author: Nirbheek Chauhan <nirbheek@centricular.com> 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Library General Public 8 * License as published by the Free Software Foundation; either 9 * version 2 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Library General Public License for more details. 15 * 16 * You should have received a copy of the GNU Library General Public 17 * License along with this library; if not, write to the 18 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 19 * Boston, MA 02110-1301, USA. 20 */ 21 22 #ifndef __GST_PROXY_SRC_H__ 23 #define __GST_PROXY_SRC_H__ 24 25 #include <gst/gst.h> 26 27 G_BEGIN_DECLS 28 29 #define GST_TYPE_PROXY_SRC (gst_proxy_src_get_type()) 30 #define GST_PROXY_SRC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_PROXY_SRC, GstProxySrc)) 31 #define GST_IS_PROXY_SRC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_PROXY_SRC)) 32 #define GST_PROXY_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) , GST_TYPE_PROXY_SRC, GstProxySrcClass)) 33 #define GST_IS_PROXY_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) , GST_TYPE_PROXY_SRC)) 34 #define GST_PROXY_SRC_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) , GST_TYPE_PROXY_SRC, GstProxySrcClass)) 35 36 typedef struct _GstProxySrc GstProxySrc; 37 typedef struct _GstProxySrcClass GstProxySrcClass; 38 typedef struct _GstProxySrcPrivate GstProxySrcPrivate; 39 40 struct _GstProxySrc { 41 GstBin parent; 42 43 /* < private > */ 44 45 /* Queue to hold buffers from proxysink */ 46 GstElement *queue; 47 48 /* Source pad of the above queue and the proxysrc element itself */ 49 GstPad *srcpad; 50 51 /* Our internal srcpad that proxysink pushes buffers/events/queries into */ 52 GstPad *internal_srcpad; 53 54 /* An unlinked dummy sinkpad; see gst_proxy_src_init() */ 55 GstPad *dummy_sinkpad; 56 57 /* The matching proxysink; queries and events are sent to its sinkpad */ 58 GWeakRef proxysink; 59 }; 60 61 struct _GstProxySrcClass { 62 GstBinClass parent_class; 63 }; 64 65 GType gst_proxy_src_get_type(void); 66 GST_ELEMENT_REGISTER_DECLARE (proxysrc); 67 68 G_END_DECLS 69 70 #endif /* __GST_PROXY_SRC_H__ */ 71