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154 lines
5.6 KiB
C
154 lines
5.6 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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* Copyright (C) <2004> Thomas Vander Stichele <thomas at apestaart dot org>
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* Copyright (C) <2011> Collabora Ltd.
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* Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>
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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., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_MULTI_SOCKET_SINK_H__
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#define __GST_MULTI_SOCKET_SINK_H__
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#include <gio/gio.h>
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#include <gst/gst.h>
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#include <gst/base/gstbasesink.h>
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#include "gstmultihandlesink.h"
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G_BEGIN_DECLS
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#define GST_TYPE_MULTI_SOCKET_SINK \
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(gst_multi_socket_sink_get_type())
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#define GST_MULTI_SOCKET_SINK(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MULTI_SOCKET_SINK,GstMultiSocketSink))
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#define GST_MULTI_SOCKET_SINK_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_MULTI_SOCKET_SINK,GstMultiSocketSinkClass))
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#define GST_IS_MULTI_SOCKET_SINK(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MULTI_SOCKET_SINK))
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#define GST_IS_MULTI_SOCKET_SINK_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_MULTI_SOCKET_SINK))
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#define GST_MULTI_SOCKET_SINK_GET_CLASS(klass) \
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(G_TYPE_INSTANCE_GET_CLASS ((klass), GST_TYPE_MULTI_SOCKET_SINK, GstMultiSocketSinkClass))
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typedef struct _GstMultiSocketSink GstMultiSocketSink;
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typedef struct _GstMultiSocketSinkClass GstMultiSocketSinkClass;
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/* structure for a client
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*/
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typedef struct {
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GstMultiHandleClient client;
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GSocket *socket;
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GSource *source;
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/* method to sync client when connecting */
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GstSyncMethod sync_method;
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GstFormat burst_min_format;
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guint64 burst_min_value;
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GstFormat burst_max_format;
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guint64 burst_max_value;
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} GstSocketClient;
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/**
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* GstMultiSocketSink:
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*
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* The multisocketsink object structure.
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*/
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struct _GstMultiSocketSink {
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GstMultiHandleSink element;
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/*< private >*/
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GRecMutex clientslock; /* lock to protect the clients list */
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GList *clients; /* list of clients we are serving */
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GHashTable *socket_hash; /* index on socket to client */
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guint clients_cookie; /* Cookie to detect changes to the clients list */
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GMainContext *main_context;
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GCancellable *cancellable;
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GSList *streamheader; /* GSList of GstBuffers to use as streamheader */
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gboolean previous_buffer_in_caps;
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guint mtu;
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gint qos_dscp;
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gboolean handle_read;
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GArray *bufqueue; /* global queue of buffers */
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gboolean running; /* the thread state */
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GThread *thread; /* the sender thread */
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/* these values are used to check if a client is reading fast
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* enough and to control receovery */
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GstFormat unit_type;/* the format of the units */
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gint64 units_max; /* max units to queue for a client */
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gint64 units_soft_max; /* max units a client can lag before recovery starts */
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GstFormat def_burst_format;
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guint64 def_burst_value;
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gboolean resend_streamheader; /* resend streamheader if it changes */
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/* stats */
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gint buffers_queued; /* number of queued buffers */
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gint bytes_queued; /* number of queued bytes */
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gint time_queued; /* number of queued time */
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guint8 header_flags;
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};
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struct _GstMultiSocketSinkClass {
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GstMultiHandleSinkClass parent_class;
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/* element methods */
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void (*add) (GstMultiSocketSink *sink, GSocket *socket);
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void (*add_full) (GstMultiSocketSink *sink, GSocket *socket, GstSyncMethod sync,
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GstFormat format, guint64 value,
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GstFormat max_format, guint64 max_value);
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void (*remove) (GstMultiSocketSink *sink, GSocket *socket);
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void (*remove_flush) (GstMultiSocketSink *sink, GSocket *socket);
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void (*clear) (GstMultiSocketSink *sink);
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GstStructure* (*get_stats) (GstMultiSocketSink *sink, GSocket *socket);
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/* vtable */
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gboolean (*init) (GstMultiSocketSink *sink);
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gboolean (*close) (GstMultiSocketSink *sink);
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void (*removed) (GstMultiSocketSink *sink, GSocket *socket);
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/* signals */
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void (*client_added) (GstElement *element, GSocket *socket);
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void (*client_removed) (GstElement *element, GSocket *socket, GstClientStatus status);
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void (*client_socket_removed) (GstElement *element, GSocket *socket);
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};
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GType gst_multi_socket_sink_get_type (void);
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void gst_multi_socket_sink_add (GstMultiSocketSink *sink, GSocket *socket);
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void gst_multi_socket_sink_add_full (GstMultiSocketSink *sink, GSocket *socket, GstSyncMethod sync,
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GstFormat min_format, guint64 min_value,
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GstFormat max_format, guint64 max_value);
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void gst_multi_socket_sink_remove (GstMultiSocketSink *sink, GSocket *socket);
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void gst_multi_socket_sink_remove_flush (GstMultiSocketSink *sink, GSocket *socket);
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void gst_multi_socket_sink_clear (GstMultiHandleSink *sink);
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GstStructure* gst_multi_socket_sink_get_stats (GstMultiSocketSink *sink, GSocket *socket);
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G_END_DECLS
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#endif /* __GST_MULTI_SOCKET_SINK_H__ */
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