gstreamer/gst/rtsp-server/rtsp-session.h

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/* 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
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
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*/
#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 _GstRTSPSessionPrivate GstRTSPSessionPrivate;
/**
* GstRTSPFilterResult:
* @GST_RTSP_FILTER_REMOVE: Remove session
* @GST_RTSP_FILTER_KEEP: Keep session in the pool
* @GST_RTSP_FILTER_REF: Ref session in the result list
*
* Possible return values for gst_rtsp_session_pool_filter().
*/
typedef enum
{
GST_RTSP_FILTER_REMOVE,
GST_RTSP_FILTER_KEEP,
GST_RTSP_FILTER_REF,
} GstRTSPFilterResult;
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#include "rtsp-media.h"
#include "rtsp-session-media.h"
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/**
* GstRTSPSession:
*
* Session information kept by the server for a specific client.
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* One client session, identified with a session id, can handle multiple medias
* identified with the url of a media.
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*/
struct _GstRTSPSession {
GObject parent;
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/*< private >*/
GstRTSPSessionPrivate *priv;
gpointer _gst_reserved[GST_PADDING];
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};
struct _GstRTSPSessionClass {
GObjectClass parent_class;
/*< private >*/
gpointer _gst_reserved[GST_PADDING];
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};
GType gst_rtsp_session_get_type (void);
/* create a new session */
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GstRTSPSession * gst_rtsp_session_new (const gchar *sessionid);
const gchar * gst_rtsp_session_get_sessionid (GstRTSPSession *session);
gchar * gst_rtsp_session_get_header (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 gchar *path,
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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 gchar *path,
gint * matched);
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/**
* GstRTSPSessionFilterFunc:
* @sess: a #GstRTSPSession object
* @media: a #GstRTSPSessionMedia in @sess
* @user_data: user data that has been given to gst_rtsp_session_filter()
*
* This function will be called by the gst_rtsp_session_filter(). An
* implementation should return a value of #GstRTSPFilterResult.
*
* When this function returns #GST_RTSP_FILTER_REMOVE, @media will be removed
* from @sess.
*
* A return value of #GST_RTSP_FILTER_KEEP will leave @media untouched in
* @sess.
*
* A value of GST_RTSP_FILTER_REF will add @media to the result #GList of
* gst_rtsp_session_filter().
*
* Returns: a #GstRTSPFilterResult.
*/
typedef GstRTSPFilterResult (*GstRTSPSessionFilterFunc) (GstRTSPSession *sess,
GstRTSPSessionMedia *media,
gpointer user_data);
GList * gst_rtsp_session_filter (GstRTSPSession *sess,
GstRTSPSessionFilterFunc func,
gpointer user_data);
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G_END_DECLS
#endif /* __GST_RTSP_SESSION_H__ */