gstreamer/subprojects/gst-plugins-good/gst/udp/gstudpsrc.h
Seungha Yang 3374f2f44d udpsrc: Add support for IGMPv3 SSM
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>
2023-04-12 16:32:07 +00:00

115 lines
2.9 KiB
C

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