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-rw-r--r--gst/tcp/gstmultifdsink.h286
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diff --git a/gst/tcp/gstmultifdsink.h b/gst/tcp/gstmultifdsink.h
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index d2d9ce4e..00000000
--- a/gst/tcp/gstmultifdsink.h
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-/* GStreamer
- * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
- * Copyright (C) <2004> Thomas Vander Stichele <thomas at apestaart dot org>
- *
- * 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., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-
-#ifndef __GST_MULTI_FD_SINK_H__
-#define __GST_MULTI_FD_SINK_H__
-
-#include <gst/gst.h>
-#include <gst/base/gstbasesink.h>
-
-G_BEGIN_DECLS
-
-#include "gsttcp.h"
-
-#define GST_TYPE_MULTI_FD_SINK \
- (gst_multi_fd_sink_get_type())
-#define GST_MULTI_FD_SINK(obj) \
- (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MULTI_FD_SINK,GstMultiFdSink))
-#define GST_MULTI_FD_SINK_CLASS(klass) \
- (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_MULTI_FD_SINK,GstMultiFdSinkClass))
-#define GST_IS_MULTI_FD_SINK(obj) \
- (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MULTI_FD_SINK))
-#define GST_IS_MULTI_FD_SINK_CLASS(klass) \
- (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_MULTI_FD_SINK))
-#define GST_MULTI_FD_SINK_GET_CLASS(klass) \
- (G_TYPE_INSTANCE_GET_CLASS ((klass), GST_TYPE_MULTI_FD_SINK, GstMultiFdSinkClass))
-
-
-typedef struct _GstMultiFdSink GstMultiFdSink;
-typedef struct _GstMultiFdSinkClass GstMultiFdSinkClass;
-
-typedef enum {
- GST_MULTI_FD_SINK_OPEN = (GST_ELEMENT_FLAG_LAST << 0),
-
- GST_MULTI_FD_SINK_FLAG_LAST = (GST_ELEMENT_FLAG_LAST << 2)
-} GstMultiFdSinkFlags;
-
-/**
- * GstRecoverPolicy:
- * @GST_RECOVER_POLICY_NONE : no recovering is done
- * @GST_RECOVER_POLICY_RESYNC_LATEST : client is moved to last buffer
- * @GST_RECOVER_POLICY_RESYNC_SOFT_LIMIT: client is moved to the soft limit
- * @GST_RECOVER_POLICY_RESYNC_KEYFRAME : client is moved to latest keyframe
- *
- * Possible values for the recovery procedure to use when a client consumes
- * data too slow and has a backlag of more that soft-limit buffers.
- */
-typedef enum
-{
- GST_RECOVER_POLICY_NONE,
- GST_RECOVER_POLICY_RESYNC_LATEST,
- GST_RECOVER_POLICY_RESYNC_SOFT_LIMIT,
- GST_RECOVER_POLICY_RESYNC_KEYFRAME
-} GstRecoverPolicy;
-
-/**
- * GstSyncMethod:
- * @GST_SYNC_METHOD_LATEST : client receives most recent buffer
- * @GST_SYNC_METHOD_NEXT_KEYFRAME : client receives next keyframe
- * @GST_SYNC_METHOD_LATEST_KEYFRAME : client receives latest keyframe (burst)
- * @GST_SYNC_METHOD_BURST : client receives specific amount of data
- * @GST_SYNC_METHOD_BURST_KEYFRAME : client receives specific amount of data
- * starting from latest keyframe
- * @GST_SYNC_METHOD_BURST_WITH_KEYFRAME : client receives specific amount of data from
- * a keyframe, or if there is not enough data after
- * the keyframe, starting before the keyframe
- *
- * This enum defines the selection of the first buffer that is sent
- * to a new client.
- */
-typedef enum
-{
- GST_SYNC_METHOD_LATEST,
- GST_SYNC_METHOD_NEXT_KEYFRAME,
- GST_SYNC_METHOD_LATEST_KEYFRAME,
- GST_SYNC_METHOD_BURST,
- GST_SYNC_METHOD_BURST_KEYFRAME,
- GST_SYNC_METHOD_BURST_WITH_KEYFRAME
-} GstSyncMethod;
-
-/**
- * GstTCPUnitType:
- * @GST_TCP_UNIT_TYPE_UNDEFINED: undefined
- * @GST_TCP_UNIT_TYPE_BUFFERS : buffers
- * @GST_TCP_UNIT_TYPE_TIME : timeunits (in nanoseconds)
- * @GST_TCP_UNIT_TYPE_BYTES : bytes
- *
- * The units used to specify limits.
- */
-typedef enum
-{
- GST_TCP_UNIT_TYPE_UNDEFINED,
- GST_TCP_UNIT_TYPE_BUFFERS,
- GST_TCP_UNIT_TYPE_TIME,
- GST_TCP_UNIT_TYPE_BYTES
-} GstTCPUnitType;
-
-/**
- * GstClientStatus:
- * @GST_CLIENT_STATUS_OK : client is ok
- * @GST_CLIENT_STATUS_CLOSED : client closed the socket
- * @GST_CLIENT_STATUS_REMOVED : client is removed
- * @GST_CLIENT_STATUS_SLOW : client is too slow
- * @GST_CLIENT_STATUS_ERROR : client is in error
- * @GST_CLIENT_STATUS_DUPLICATE: same client added twice
- * @GST_CLIENT_STATUS_FLUSHING : client is flushing out the remaining buffers.
- *
- * This specifies the reason why a client was removed from
- * multifdsink and is received in the "client-removed" signal.
- */
-typedef enum
-{
- GST_CLIENT_STATUS_OK = 0,
- GST_CLIENT_STATUS_CLOSED = 1,
- GST_CLIENT_STATUS_REMOVED = 2,
- GST_CLIENT_STATUS_SLOW = 3,
- GST_CLIENT_STATUS_ERROR = 4,
- GST_CLIENT_STATUS_DUPLICATE = 5,
- GST_CLIENT_STATUS_FLUSHING = 6
-} GstClientStatus;
-
-/* structure for a client
- */
-typedef struct {
- GstPollFD fd;
-
- gint bufpos; /* position of this client in the global queue */
- gint flushcount; /* the remaining number of buffers to flush out or -1 if the
- client is not flushing. */
-
- GstClientStatus status;
- gboolean is_socket;
-
- GSList *sending; /* the buffers we need to send */
- gint bufoffset; /* offset in the first buffer */
-
- gboolean discont;
-
- GstTCPProtocol protocol;
-
- gboolean caps_sent;
- gboolean new_connection;
-
- gboolean currently_removing;
-
- /* method to sync client when connecting */
- GstSyncMethod sync_method;
- GstTCPUnitType burst_min_unit;
- guint64 burst_min_value;
- GstTCPUnitType burst_max_unit;
- guint64 burst_max_value;
-
- GstCaps *caps; /* caps of last queued buffer */
-
- /* stats */
- guint64 bytes_sent;
- guint64 connect_time;
- guint64 disconnect_time;
- guint64 last_activity_time;
- guint64 dropped_buffers;
- guint64 avg_queue_size;
-} GstTCPClient;
-
-#define CLIENTS_LOCK_INIT(fdsink) (g_static_rec_mutex_init(&fdsink->clientslock))
-#define CLIENTS_LOCK_FREE(fdsink) (g_static_rec_mutex_free(&fdsink->clientslock))
-#define CLIENTS_LOCK(fdsink) (g_static_rec_mutex_lock(&fdsink->clientslock))
-#define CLIENTS_UNLOCK(fdsink) (g_static_rec_mutex_unlock(&fdsink->clientslock))
-
-/**
- * GstMultiFdSink:
- *
- * The multifdsink object structure.
- */
-struct _GstMultiFdSink {
- GstBaseSink element;
-
- /*< private >*/
- guint64 bytes_to_serve; /* how much bytes we must serve */
- guint64 bytes_served; /* how much bytes have we served */
-
- GStaticRecMutex clientslock; /* lock to protect the clients list */
- GList *clients; /* list of clients we are serving */
- GHashTable *fd_hash; /* index on fd to client */
- guint clients_cookie; /* Cookie to detect changes to the clients list */
-
- gint mode;
- GstPoll *fdset;
-
- GSList *streamheader; /* GSList of GstBuffers to use as streamheader */
- gboolean previous_buffer_in_caps;
-
- GstTCPProtocol protocol;
- guint mtu;
- gint qos_dscp;
- gboolean handle_read;
-
- GArray *bufqueue; /* global queue of buffers */
-
- gboolean running; /* the thread state */
- GThread *thread; /* the sender thread */
-
- /* these values are used to check if a client is reading fast
- * enough and to control receovery */
- GstTCPUnitType unit_type;/* the type of the units */
- gint64 units_max; /* max units to queue for a client */
- gint64 units_soft_max; /* max units a client can lag before recovery starts */
- GstRecoverPolicy recover_policy;
- GstClockTime timeout; /* max amount of nanoseconds to remain idle */
-
- GstSyncMethod def_sync_method; /* what method to use for connecting clients */
- GstTCPUnitType def_burst_unit;
- guint64 def_burst_value;
-
- /* these values are used to control the amount of data
- * kept in the queues. It allows clients to perform a burst
- * on connect. */
- gint bytes_min; /* min number of bytes to queue */
- gint64 time_min; /* min time to queue */
- gint buffers_min; /* min number of buffers to queue */
-
- gboolean resend_streamheader; /* resend streamheader if it changes */
-
- /* stats */
- gint buffers_queued; /* number of queued buffers */
- gint bytes_queued; /* number of queued bytes */
- gint time_queued; /* number of queued time */
-
- guint8 header_flags;
-};
-
-struct _GstMultiFdSinkClass {
- GstBaseSinkClass parent_class;
-
- /* element methods */
- void (*add) (GstMultiFdSink *sink, int fd);
- void (*add_full) (GstMultiFdSink *sink, int fd, GstSyncMethod sync,
- GstTCPUnitType format, guint64 value,
- GstTCPUnitType max_unit, guint64 max_value);
- void (*remove) (GstMultiFdSink *sink, int fd);
- void (*remove_flush) (GstMultiFdSink *sink, int fd);
- void (*clear) (GstMultiFdSink *sink);
- GValueArray* (*get_stats) (GstMultiFdSink *sink, int fd);
-
- /* vtable */
- gboolean (*init) (GstMultiFdSink *sink);
- gboolean (*wait) (GstMultiFdSink *sink, GstPoll *set);
- gboolean (*close) (GstMultiFdSink *sink);
- void (*removed) (GstMultiFdSink *sink, int fd);
-
- /* signals */
- void (*client_added) (GstElement *element, gint fd);
- void (*client_removed) (GstElement *element, gint fd, GstClientStatus status);
- void (*client_fd_removed) (GstElement *element, gint fd);
-};
-
-GType gst_multi_fd_sink_get_type (void);
-
-void gst_multi_fd_sink_add (GstMultiFdSink *sink, int fd);
-void gst_multi_fd_sink_add_full (GstMultiFdSink *sink, int fd, GstSyncMethod sync,
- GstTCPUnitType min_unit, guint64 min_value,
- GstTCPUnitType max_unit, guint64 max_value);
-void gst_multi_fd_sink_remove (GstMultiFdSink *sink, int fd);
-void gst_multi_fd_sink_remove_flush (GstMultiFdSink *sink, int fd);
-void gst_multi_fd_sink_clear (GstMultiFdSink *sink);
-GValueArray* gst_multi_fd_sink_get_stats (GstMultiFdSink *sink, int fd);
-
-G_END_DECLS
-
-#endif /* __GST_MULTI_FD_SINK_H__ */
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