gstreamer/gst/rtsp-sink/gstrtspclientsink.h
Mathieu Duponchelle bfc35ae1ae Implement support for ULP Forward Error Correction
In this initial commit, interface is only exposed for RECORD,
further work will be needed in rtspsrc to support this for
PLAY.

https://bugzilla.gnome.org/show_bug.cgi?id=794911
2018-04-19 18:25:31 +02:00

259 lines
8 KiB
C

/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
* <2006> Wim Taymans <wim@fluendo.com>
* <2015> Jan Schmidt <jan at centricular dot com>
*
* 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.
*/
/*
* Unless otherwise indicated, Source Code is licensed under MIT license.
* See further explanation attached in License Statement (distributed in the file
* LICENSE).
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is furnished to do
* so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef __GST_RTSP_CLIENT_SINK_H__
#define __GST_RTSP_CLIENT_SINK_H__
#include <gst/gst.h>
G_BEGIN_DECLS
#include <gst/rtsp-server/rtsp-stream.h>
#include <gst/rtsp/rtsp.h>
#include <gio/gio.h>
#define GST_TYPE_RTSP_CLIENT_SINK \
(gst_rtsp_client_sink_get_type())
#define GST_RTSP_CLIENT_SINK(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTSP_CLIENT_SINK,GstRTSPClientSink))
#define GST_RTSP_CLIENT_SINK_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTSP_CLIENT_SINK,GstRTSPClientSinkClass))
#define GST_IS_RTSP_CLIENT_SINK(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTSP_CLIENT_SINK))
#define GST_IS_RTSP_CLIENT_SINK_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTSP_CLIENT_SINK))
#define GST_RTSP_CLIENT_SINK_CAST(obj) \
((GstRTSPClientSink *)(obj))
typedef struct _GstRTSPClientSink GstRTSPClientSink;
typedef struct _GstRTSPClientSinkClass GstRTSPClientSinkClass;
#define GST_RTSP_STATE_GET_LOCK(rtsp) (&GST_RTSP_CLIENT_SINK_CAST(rtsp)->state_rec_lock)
#define GST_RTSP_STATE_LOCK(rtsp) (g_rec_mutex_lock (GST_RTSP_STATE_GET_LOCK(rtsp)))
#define GST_RTSP_STATE_UNLOCK(rtsp) (g_rec_mutex_unlock (GST_RTSP_STATE_GET_LOCK(rtsp)))
#define GST_RTSP_STREAM_GET_LOCK(rtsp) (&GST_RTSP_CLIENT_SINK_CAST(rtsp)->stream_rec_lock)
#define GST_RTSP_STREAM_LOCK(rtsp) (g_rec_mutex_lock (GST_RTSP_STREAM_GET_LOCK(rtsp)))
#define GST_RTSP_STREAM_UNLOCK(rtsp) (g_rec_mutex_unlock (GST_RTSP_STREAM_GET_LOCK(rtsp)))
typedef struct _GstRTSPConnInfo GstRTSPConnInfo;
struct _GstRTSPConnInfo {
gchar *location;
GstRTSPUrl *url;
gchar *url_str;
GstRTSPConnection *connection;
gboolean connected;
gboolean flushing;
GMutex send_lock;
GMutex recv_lock;
};
typedef struct _GstRTSPStreamInfo GstRTSPStreamInfo;
typedef struct _GstRTSPStreamContext GstRTSPStreamContext;
struct _GstRTSPStreamContext {
GstRTSPClientSink *parent;
guint index;
/* Index of the SDPMedia in the stored SDP */
guint sdp_index;
GstElement *payloader;
guint payloader_block_id;
gboolean prerolled;
/* Stream management object */
GstRTSPStream *stream;
gboolean joined;
/* Secure profile key mgmt */
GstCaps *srtcpparams;
/* per stream connection */
GstRTSPConnInfo conninfo;
/* For interleaved mode */
guint8 channel[2];
GstRTSPStreamTransport *stream_transport;
guint ulpfec_percentage;
};
/**
* GstRTSPNatMethod:
* @GST_RTSP_NAT_NONE: none
* @GST_RTSP_NAT_DUMMY: send dummy packets
*
* Different methods for trying to traverse firewalls.
*/
typedef enum
{
GST_RTSP_NAT_NONE,
GST_RTSP_NAT_DUMMY
} GstRTSPNatMethod;
struct _GstRTSPClientSink {
GstBin parent;
/* task and mutex for interleaved mode */
gboolean interleaved;
GstTask *task;
GRecMutex stream_rec_lock;
GstSegment segment;
gint free_channel;
/* UDP mode loop */
gint pending_cmd;
gint busy_cmd;
gboolean ignore_timeout;
gboolean open_error;
/* mutex for protecting state changes */
GRecMutex state_rec_lock;
GstSDPMessage *uri_sdp;
gboolean from_sdp;
/* properties */
GstRTSPLowerTrans protocols;
gboolean debug;
guint retry;
guint64 udp_timeout;
GTimeVal tcp_timeout;
GTimeVal *ptcp_timeout;
guint latency;
gboolean do_rtsp_keep_alive;
gchar *proxy_host;
guint proxy_port;
gchar *proxy_user; /* from url or property */
gchar *proxy_passwd; /* from url or property */
gchar *prop_proxy_id; /* set via property */
gchar *prop_proxy_pw; /* set via property */
guint rtp_blocksize;
gchar *user_id;
gchar *user_pw;
GstRTSPRange client_port_range;
gint udp_buffer_size;
gboolean udp_reconnect;
gchar *multi_iface;
gboolean ntp_sync;
gboolean use_pipeline_clock;
GstStructure *sdes;
GTlsCertificateFlags tls_validation_flags;
GTlsDatabase *tls_database;
GTlsInteraction *tls_interaction;
gint ntp_time_source;
gchar *user_agent;
/* state */
GstRTSPState state;
gchar *content_base;
GstRTSPLowerTrans cur_protocols;
gboolean tried_url_auth;
gchar *addr;
gboolean need_redirect;
GstRTSPTimeRange *range;
gchar *control;
guint next_port_num;
GstClock *provided_clock;
/* supported methods */
gint methods;
/* session management */
GstRTSPConnInfo conninfo;
/* Everything goes in an internal
* locked-state bin */
GstBin *internal_bin;
/* Set to true when internal bin state
* >= PAUSED */
gboolean prerolled;
/* TRUE if we posted async-start */
gboolean in_async;
/* TRUE when stream info has been collected */
gboolean streams_collected;
/* TRUE when streams have been blocked */
gboolean streams_blocked;
GMutex block_streams_lock;
GCond block_streams_cond;
guint next_pad_id;
gint next_dyn_pt;
GstElement *rtpbin;
GList *contexts;
GstSDPMessage cursdp;
GMutex send_lock;
GMutex preroll_lock;
GCond preroll_cond;
/* TRUE if connection to server has been scheduled */
gboolean open_conn_start;
GMutex open_conn_lock;
GCond open_conn_cond;
GstClockTime rtx_time;
GstRTSPProfile profiles;
gchar *server_ip;
};
struct _GstRTSPClientSinkClass {
GstBinClass parent_class;
};
GType gst_rtsp_client_sink_get_type(void);
G_END_DECLS
#endif /* __GST_RTSP_CLIENT_SINK_H__ */