Adding "multicast-source" property to support Source Specific Muliticast
RFC 4604. The source can be multiple address with '+' (for positive
filter) or '-' (negative filter) prefix, or URI query can be used.
Note that negative filter is not implemented yet and it will be
ignored
Example:
gst-launch-1.0 uridecodebin \
  uri=udp://{ADDRESS}:PORT?multicast-source=+SOURCE0+SOURCE1
Inspired by:
https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2620
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3485>
		
	
			
		
			
				
	
	
		
			115 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			115 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* GStreamer
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|  * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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|  *
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|  * This library is free software; you can redistribute it and/or
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|  * modify it under the terms of the GNU Library General Public
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|  * License as published by the Free Software Foundation; either
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|  * version 2 of the License, or (at your option) any later version.
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|  *
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|  * This library is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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|  * Library General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU Library General Public
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|  * License along with this library; if not, write to the
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|  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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|  * Boston, MA 02110-1301, USA.
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|  */
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| 
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| 
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| #ifndef __GST_UDPSRC_H__
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| #define __GST_UDPSRC_H__
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| 
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| #include <gst/gst.h>
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| #include <gst/base/gstpushsrc.h>
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| #include <gio/gio.h>
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| 
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| G_BEGIN_DECLS
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| 
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| #include "gstudpnetutils.h"
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| 
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| #define GST_TYPE_UDPSRC \
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|   (gst_udpsrc_get_type())
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| #define GST_UDPSRC(obj) \
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|   (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_UDPSRC,GstUDPSrc))
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| #define GST_UDPSRC_CLASS(klass) \
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|   (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_UDPSRC,GstUDPSrcClass))
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| #define GST_IS_UDPSRC(obj) \
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|   (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_UDPSRC))
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| #define GST_IS_UDPSRC_CLASS(klass) \
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|   (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_UDPSRC))
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| #define GST_UDPSRC_CAST(obj) ((GstUDPSrc *)(obj))
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| 
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| typedef struct _GstUDPSrc GstUDPSrc;
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| typedef struct _GstUDPSrcClass GstUDPSrcClass;
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| 
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| 
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| /**
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|  * GstSocketTimestampMode:
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|  * @GST_SOCKET_TIMESTAMP_MODE_DISABLED: Disable additional timestamps
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|  * @GST_SOCKET_TIMESTAMP_MODE_REALTIME: Timestamp with realtime clock (nsec
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|  *      resolution, may not be monotonic)
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|  *
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|  * Since: 1.20
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|  */
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| typedef enum
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| {
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|   GST_SOCKET_TIMESTAMP_MODE_DISABLED = 0,
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|   GST_SOCKET_TIMESTAMP_MODE_REALTIME
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| } GstSocketTimestampMode;
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| 
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| struct _GstUDPSrc {
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|   GstPushSrc parent;
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| 
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|   /* our sockets */
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|   GSocket   *used_socket;	/* hot */
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|   GInetSocketAddress *addr;	/* hot */
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|   GList     *source_addrs;
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| 
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|   GCancellable *cancellable;	/* hot */
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| 
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|   /* properties */
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|   gint       skip_first_bytes;	/* hot */
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|   guint64    timeout;	/* hot */
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|   gboolean   retrieve_sender_address;	/* hot */
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|   gchar     *address;
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|   gint       port;
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|   gchar     *multi_iface;
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|   GstCaps   *caps;
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|   gint       buffer_size;
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|   GSocket   *socket;
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|   gboolean   close_socket;
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|   gboolean   auto_multicast;
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|   gboolean   reuse;
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|   gboolean   loop;
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|   GstSocketTimestampMode socket_timestamp_mode;
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|   gchar     *multicast_source;
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| 
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|   /* stats */
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|   guint      max_size;
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| 
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|   gboolean   external_socket;
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|   gboolean   made_cancel_fd;
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| 
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|   /* Initial size of buffers in the buffer pool */
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|   guint mtu;
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| 
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|   /* Extra memory for buffers with a size superior to max_packet_size */
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|   GstMemory *extra_mem;
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| 
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|   gchar     *uri;
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|   GPtrArray *source_list;
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| };
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| 
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| struct _GstUDPSrcClass {
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|   GstPushSrcClass parent_class;
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| };
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| 
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| GType gst_udpsrc_get_type(void);
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| 
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| G_END_DECLS
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| 
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| 
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| #endif /* __GST_UDPSRC_H__ */
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