gstreamer/gst/rtsp-server/rtsp-session.h
2011-08-16 14:50:18 +02:00

168 lines
6.8 KiB
C

/* GStreamer
* Copyright (C) 2008 Wim Taymans <wim.taymans at gmail.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.
*/
#include <gst/gst.h>
#include <gst/rtsp/gstrtsptransport.h>
#ifndef __GST_RTSP_SESSION_H__
#define __GST_RTSP_SESSION_H__
G_BEGIN_DECLS
#define GST_TYPE_RTSP_SESSION (gst_rtsp_session_get_type ())
#define GST_IS_RTSP_SESSION(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_RTSP_SESSION))
#define GST_IS_RTSP_SESSION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_RTSP_SESSION))
#define GST_RTSP_SESSION_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_RTSP_SESSION, GstRTSPSessionClass))
#define GST_RTSP_SESSION(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_RTSP_SESSION, GstRTSPSession))
#define GST_RTSP_SESSION_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_RTSP_SESSION, GstRTSPSessionClass))
#define GST_RTSP_SESSION_CAST(obj) ((GstRTSPSession*)(obj))
#define GST_RTSP_SESSION_CLASS_CAST(klass) ((GstRTSPSessionClass*)(klass))
typedef struct _GstRTSPSession GstRTSPSession;
typedef struct _GstRTSPSessionClass GstRTSPSessionClass;
typedef struct _GstRTSPSessionStream GstRTSPSessionStream;
typedef struct _GstRTSPSessionMedia GstRTSPSessionMedia;
#include "rtsp-media.h"
/**
* GstRTSPSessionStream:
* @trans: the media transport
* @media_stream: the controlled media stream
*
* Configuration of a stream. A stream is an audio or video stream related to a
* media.
*/
struct _GstRTSPSessionStream
{
GstRTSPMediaTrans trans;
/* the stream of the media */
GstRTSPMediaStream *media_stream;
};
/**
* GstRTSPSessionMedia:
*
* State of a client session regarding a specific media identified by uri.
*/
struct _GstRTSPSessionMedia
{
/* the url of the media */
GstRTSPUrl *url;
/* the pipeline for the media */
GstRTSPMedia *media;
/* the server state */
GstRTSPState state;
/* counter for channels */
guint counter;
/* configuration for the different streams */
GArray *streams;
};
/**
* GstRTSPSession:
* @sessionid: the session id of the session
* @timeout: the timeout of the session
* @create_time: the time when the session was created
* @last_access: the time the session was last accessed
* @expire_count: the expire prevention counter
* @media: a list of #GstRTSPSessionMedia managed in this session
*
* Session information kept by the server for a specific client.
* One client session, identified with a session id, can handle multiple medias
* identified with the url of a media.
*/
struct _GstRTSPSession {
GObject parent;
gchar *sessionid;
guint timeout;
GTimeVal create_time;
GTimeVal last_access;
gint expire_count;
GList *medias;
};
struct _GstRTSPSessionClass {
GObjectClass parent_class;
};
GType gst_rtsp_session_get_type (void);
/* create a new session */
GstRTSPSession * gst_rtsp_session_new (const gchar *sessionid);
const gchar * gst_rtsp_session_get_sessionid (GstRTSPSession *session);
void gst_rtsp_session_set_timeout (GstRTSPSession *session, guint timeout);
guint gst_rtsp_session_get_timeout (GstRTSPSession *session);
/* session timeout stuff */
void gst_rtsp_session_touch (GstRTSPSession *session);
void gst_rtsp_session_prevent_expire (GstRTSPSession *session);
void gst_rtsp_session_allow_expire (GstRTSPSession *session);
gint gst_rtsp_session_next_timeout (GstRTSPSession *session, GTimeVal *now);
gboolean gst_rtsp_session_is_expired (GstRTSPSession *session, GTimeVal *now);
/* handle media in a session */
GstRTSPSessionMedia * gst_rtsp_session_manage_media (GstRTSPSession *sess,
const GstRTSPUrl *uri,
GstRTSPMedia *media);
gboolean gst_rtsp_session_release_media (GstRTSPSession *sess,
GstRTSPSessionMedia *media);
/* get media in a session */
GstRTSPSessionMedia * gst_rtsp_session_get_media (GstRTSPSession *sess,
const GstRTSPUrl *url);
/* control media */
gboolean gst_rtsp_session_media_set_state (GstRTSPSessionMedia *media, GstState state);
/* get stream config */
GstRTSPSessionStream * gst_rtsp_session_media_get_stream (GstRTSPSessionMedia *media,
guint idx);
gboolean gst_rtsp_session_media_alloc_channels (GstRTSPSessionMedia *media,
GstRTSPRange *range);
/* configure transport */
GstRTSPTransport * gst_rtsp_session_stream_set_transport (GstRTSPSessionStream *stream,
GstRTSPTransport *ct);
void gst_rtsp_session_stream_set_callbacks (GstRTSPSessionStream *stream,
GstRTSPSendFunc send_rtp,
GstRTSPSendFunc send_rtcp,
GstRTSPSendListFunc send_rtp_list,
GstRTSPSendListFunc send_rtcp_list,
gpointer user_data,
GDestroyNotify notify);
void gst_rtsp_session_stream_set_keepalive (GstRTSPSessionStream *stream,
GstRTSPKeepAliveFunc keep_alive,
gpointer user_data,
GDestroyNotify notify);
G_END_DECLS
#endif /* __GST_RTSP_SESSION_H__ */