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3374f2f44d
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>
114 lines
2.9 KiB
C
114 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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#ifndef __GST_UDPSRC_H__
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#define __GST_UDPSRC_H__
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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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G_BEGIN_DECLS
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#include "gstudpnetutils.h"
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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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typedef struct _GstUDPSrc GstUDPSrc;
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typedef struct _GstUDPSrcClass GstUDPSrcClass;
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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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struct _GstUDPSrc {
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GstPushSrc parent;
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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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GCancellable *cancellable; /* hot */
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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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/* stats */
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guint max_size;
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gboolean external_socket;
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gboolean made_cancel_fd;
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/* Initial size of buffers in the buffer pool */
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guint mtu;
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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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gchar *uri;
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GPtrArray *source_list;
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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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GType gst_udpsrc_get_type(void);
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G_END_DECLS
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#endif /* __GST_UDPSRC_H__ */
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