gstreamer/gst/rtsp/gstrtspsrc.h
Wim Taymans 0dcafb0635 gst/rtsp/gstrtspsrc.*: Protect connection activity with a new lock, avoids deadlocks when going to PAUSED. Fixes #455...
Original commit message from CVS:
* gst/rtsp/gstrtspsrc.c: (gst_rtspsrc_init),
(gst_rtspsrc_finalize), (gst_rtspsrc_connection_send),
(gst_rtspsrc_connection_receive), (gst_rtspsrc_sink_chain),
(gst_rtspsrc_handle_request), (gst_rtspsrc_send_keep_alive),
(gst_rtspsrc_loop_interleaved), (gst_rtspsrc_loop_udp),
(gst_rtspsrc_try_send), (gst_rtspsrc_pause):
* gst/rtsp/gstrtspsrc.h:
Protect connection activity with a new lock, avoids deadlocks when going
to PAUSED. Fixes #455808.
2007-08-17 17:08:11 +00:00

195 lines
6.3 KiB
C

/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
* <2006> Wim Taymans <wim@fluendo.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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, 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_RTSPSRC_H__
#define __GST_RTSPSRC_H__
#include <gst/gst.h>
G_BEGIN_DECLS
#include <gst/rtsp/gstrtspconnection.h>
#include <gst/rtsp/gstrtspmessage.h>
#include <gst/rtsp/gstrtspurl.h>
#include "gstrtspext.h"
#define GST_TYPE_RTSPSRC \
(gst_rtspsrc_get_type())
#define GST_RTSPSRC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTSPSRC,GstRTSPSrc))
#define GST_RTSPSRC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTSPSRC,GstRTSPSrcClass))
#define GST_IS_RTSPSRC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTSPSRC))
#define GST_IS_RTSPSRC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTSPSRC))
#define GST_RTSPSRC_CAST(obj) \
((GstRTSPSrc *)(obj))
typedef struct _GstRTSPSrc GstRTSPSrc;
typedef struct _GstRTSPSrcClass GstRTSPSrcClass;
#define GST_RTSP_STATE_GET_LOCK(rtsp) (GST_RTSPSRC_CAST(rtsp)->state_rec_lock)
#define GST_RTSP_STATE_LOCK(rtsp) (g_static_rec_mutex_lock (GST_RTSP_STATE_GET_LOCK(rtsp)))
#define GST_RTSP_STATE_UNLOCK(rtsp) (g_static_rec_mutex_unlock (GST_RTSP_STATE_GET_LOCK(rtsp)))
#define GST_RTSP_STREAM_GET_LOCK(rtsp) (GST_RTSPSRC_CAST(rtsp)->stream_rec_lock)
#define GST_RTSP_STREAM_LOCK(rtsp) (g_static_rec_mutex_lock (GST_RTSP_STREAM_GET_LOCK(rtsp)))
#define GST_RTSP_STREAM_UNLOCK(rtsp) (g_static_rec_mutex_unlock (GST_RTSP_STREAM_GET_LOCK(rtsp)))
#define GST_RTSP_CONN_GET_LOCK(rtsp) (GST_RTSPSRC_CAST(rtsp)->conn_rec_lock)
#define GST_RTSP_CONN_LOCK(rtsp) (g_static_rec_mutex_lock (GST_RTSP_CONN_GET_LOCK(rtsp)))
#define GST_RTSP_CONN_UNLOCK(rtsp) (g_static_rec_mutex_unlock (GST_RTSP_CONN_GET_LOCK(rtsp)))
typedef struct _GstRTSPStream GstRTSPStream;
struct _GstRTSPStream {
gint id;
GstRTSPSrc *parent; /* parent, no extra ref to parent is taken */
/* pad we expose or NULL when it does not have an actual pad */
GstPad *srcpad;
GstFlowReturn last_ret;
gboolean added;
gboolean disabled;
gboolean eos;
/* for interleaved mode */
guint8 channel[2];
GstCaps *caps;
GstPad *channelpad[2];
/* our udp sources */
GstElement *udpsrc[2];
GstPad *blockedpad;
/* our udp sink back to the server */
GstElement *udpsink;
GstPad *rtcppad;
/* state */
gint pt;
gboolean container;
/* original control url */
gchar *control_url;
/* fully qualified control url */
gchar *setup_url;
guint32 ssrc;
guint32 seqbase;
guint64 timebase;
};
struct _GstRTSPSrc {
GstBin parent;
/* task and mutex for interleaved mode */
gboolean interleaved;
GstTask *task;
GStaticRecMutex *stream_rec_lock;
GstSegment segment;
gboolean running;
gdouble position;
gint free_channel;
GstEvent *close_segment;
GstEvent *start_segment;
/* UDP mode loop */
gint loop_cmd;
gboolean ignore_timeout;
/* mutex for protecting state changes */
GStaticRecMutex *state_rec_lock;
/* mutex for protecting the connection */
GStaticRecMutex *conn_rec_lock;
gint numstreams;
GList *streams;
GstStructure *props;
gboolean need_activate;
/* properties */
gchar *location;
gchar *req_location; /* Sanitised URL to use in network requests */
GstRTSPUrl *url;
GstRTSPLowerTrans protocols;
gboolean debug;
guint retry;
guint64 udp_timeout;
GTimeVal tcp_timeout;
GTimeVal *ptcp_timeout;
guint latency;
guint connection_speed;
/* state */
GstRTSPState state;
gchar *content_base;
GstRTSPLowerTrans cur_protocols;
gboolean tried_url_auth;
gchar *addr;
/* supported methods */
gint methods;
/* session management */
GstElement *session;
gulong session_sig_id;
gulong session_ptmap_id;
GstRTSPConnection *connection;
/* a list of RTSP extensions as GstElement */
GstRTSPExtensionList *extensions;
};
struct _GstRTSPSrcClass {
GstBinClass parent_class;
};
GType gst_rtspsrc_get_type(void);
G_END_DECLS
#endif /* __GST_RTSPSRC_H__ */