gstreamer/gst/rtpmanager/rtpsession.h
Wim Taymans 23883be047 gst/rtpmanager/gstrtpbin.c: fix for pad name change
Original commit message from CVS:
* gst/rtpmanager/gstrtpbin.c: (create_rtcp):
fix for pad name change
* gst/rtpmanager/gstrtpsession.c: (rtcp_thread),
(gst_rtp_session_send_rtcp), (gst_rtp_session_clock_rate):
Fix for renamed methods.
* gst/rtpmanager/rtpsession.c: (rtp_session_init),
(rtp_session_finalize), (rtp_session_set_cname),
(rtp_session_get_cname), (rtp_session_set_name),
(rtp_session_get_name), (rtp_session_set_email),
(rtp_session_get_email), (rtp_session_set_phone),
(rtp_session_get_phone), (rtp_session_set_location),
(rtp_session_get_location), (rtp_session_set_tool),
(rtp_session_get_tool), (rtp_session_set_note),
(rtp_session_get_note), (source_push_rtp), (obtain_source),
(rtp_session_add_source), (rtp_session_get_source_by_ssrc),
(rtp_session_create_source), (rtp_session_process_rtp),
(rtp_session_process_sr), (rtp_session_process_sdes),
(rtp_session_process_rtcp), (rtp_session_send_rtp),
(rtp_session_get_reporting_interval), (session_report_blocks),
(session_sdes), (rtp_session_perform_reporting):
* gst/rtpmanager/rtpsession.h:
Prepare for implementing SSRC sampling.
Create SSRC for the session.
Add methods to set the SDES entries.
fix accounting of senders/receivers.
Implement SR/RR/SDES RTCP reporting.
* gst/rtpmanager/rtpsource.c: (rtp_source_init), (init_seq),
(rtp_source_process_rtp), (rtp_source_process_sr):
* gst/rtpmanager/rtpsource.h:
Implement extended sequence number.
* gst/rtpmanager/rtpstats.c: (rtp_stats_calculate_rtcp_interval):
* gst/rtpmanager/rtpstats.h:
Rename some fields.
2009-08-11 02:30:25 +01:00

236 lines
8.7 KiB
C

/* GStreamer
* Copyright (C) <2007> 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.
*/
#ifndef __RTP_SESSION_H__
#define __RTP_SESSION_H__
#include <gst/gst.h>
#include <gst/netbuffer/gstnetbuffer.h>
#include "rtpsource.h"
typedef struct _RTPSession RTPSession;
typedef struct _RTPSessionClass RTPSessionClass;
#define RTP_TYPE_SESSION (rtp_session_get_type())
#define RTP_SESSION(sess) (G_TYPE_CHECK_INSTANCE_CAST((sess),RTP_TYPE_SESSION,RTPSession))
#define RTP_SESSION_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),RTP_TYPE_SESSION,RTPSessionClass))
#define RTP_IS_SESSION(sess) (G_TYPE_CHECK_INSTANCE_TYPE((sess),RTP_TYPE_SESSION))
#define RTP_IS_SESSION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),RTP_TYPE_SESSION))
#define RTP_SESSION_CAST(sess) ((RTPSession *)(sess))
#define RTP_SESSION_LOCK(sess) (g_mutex_lock ((sess)->lock))
#define RTP_SESSION_UNLOCK(sess) (g_mutex_unlock ((sess)->lock))
/**
* RTPSessionProcessRTP:
* @sess: an #RTPSession
* @src: the #RTPSource
* @buffer: the RTP buffer ready for processing
* @user_data: user data specified when registering
*
* This callback will be called when @sess has @buffer ready for further
* processing. Processing the buffer typically includes decoding and displaying
* the buffer.
*
* Returns: a #GstFlowReturn.
*/
typedef GstFlowReturn (*RTPSessionProcessRTP) (RTPSession *sess, RTPSource *src, GstBuffer *buffer, gpointer user_data);
/**
* RTPSessionSendRTP:
* @sess: an #RTPSession
* @src: the #RTPSource
* @buffer: the RTP buffer ready for sending
* @user_data: user data specified when registering
*
* This callback will be called when @sess has @buffer ready for sending to
* all listening participants in this session.
*
* Returns: a #GstFlowReturn.
*/
typedef GstFlowReturn (*RTPSessionSendRTP) (RTPSession *sess, RTPSource *src, GstBuffer *buffer, gpointer user_data);
/**
* RTPSessionSendRTCP:
* @sess: an #RTPSession
* @src: the #RTPSource
* @buffer: the RTCP buffer ready for sending
* @user_data: user data specified when registering
*
* This callback will be called when @sess has @buffer ready for sending to
* all listening participants in this session.
*
* Returns: a #GstFlowReturn.
*/
typedef GstFlowReturn (*RTPSessionSendRTCP) (RTPSession *sess, RTPSource *src, GstBuffer *buffer, gpointer user_data);
/**
* RTPSessionClockRate:
* @sess: an #RTPSession
* @payload: the payload
* @user_data: user data specified when registering
*
* This callback will be called when @sess needs the clock-rate of @payload.
*
* Returns: the clock-rate of @pt.
*/
typedef gint (*RTPSessionClockRate) (RTPSession *sess, guint8 payload, gpointer user_data);
/**
* RTPSessionGetTime:
* @sess: an #RTPSession
* @user_data: user data specified when registering
*
* This callback will be called when @sess needs the current time in
* nanoseconds.
*
* Returns: a #GstClockTime with the current time in nanoseconds.
*/
typedef GstClockTime (*RTPSessionGetTime) (RTPSession *sess, gpointer user_data);
/**
* RTPSessionCallbacks:
* @RTPSessionProcessRTP: callback to process RTP packets
* @RTPSessionSendRTP: callback for sending RTP packets
* @RTPSessionSendRTCP: callback for sending RTCP packets
* @RTPSessionGetTime: callback for returning the current time
*
* These callbacks can be installed on the session manager to get notification
* when RTP and RTCP packets are ready for further processing. These callbacks
* are not implemented with signals for performance reasons.
*/
typedef struct {
RTPSessionProcessRTP process_rtp;
RTPSessionSendRTP send_rtp;
RTPSessionSendRTCP send_rtcp;
RTPSessionClockRate clock_rate;
RTPSessionGetTime get_time;
} RTPSessionCallbacks;
/**
* RTPSession:
* @lock: lock to protect the session
* @source: the source of this session
* @ssrcs: Hashtable of sources indexed by SSRC
* @cnames: Hashtable of sources indexed by CNAME
* @num_sources: the number of sources
* @activecount: the number of active sources
* @callbacks: callbacks
* @user_data: user data passed in callbacks
*
* The RTP session manager object
*/
struct _RTPSession {
GObject object;
GMutex *lock;
guint header_len;
guint mtu;
RTPSource *source;
/* info for creating reports */
gchar *cname;
gchar *name;
gchar *email;
gchar *phone;
gchar *location;
gchar *tool;
gchar *note;
/* for sender/receiver counting */
guint32 key;
guint32 mask_idx;
guint32 mask;
GHashTable *ssrcs[32];
GHashTable *cnames;
guint total_sources;
RTPSessionCallbacks callbacks;
gpointer user_data;
RTPSessionStats stats;
};
/**
* RTPSessionClass:
* @on_new_ssrc: emited when a new source is found
* @on_bye_ssrc: emited when a source is gone
*
* The session class.
*/
struct _RTPSessionClass {
GObjectClass parent_class;
/* signals */
void (*on_new_ssrc) (RTPSession *sess, RTPSource *source);
void (*on_ssrc_collision) (RTPSession *sess, RTPSource *source);
void (*on_ssrc_validated) (RTPSession *sess, RTPSource *source);
void (*on_bye_ssrc) (RTPSession *sess, RTPSource *source);
};
GType rtp_session_get_type (void);
/* create and configure */
RTPSession* rtp_session_new (void);
void rtp_session_set_callbacks (RTPSession *sess,
RTPSessionCallbacks *callbacks,
gpointer user_data);
void rtp_session_set_bandwidth (RTPSession *sess, gdouble bandwidth);
gdouble rtp_session_get_bandwidth (RTPSession *sess);
void rtp_session_set_rtcp_fraction (RTPSession *sess, gdouble fraction);
gdouble rtp_session_get_rtcp_fraction (RTPSession *sess);
void rtp_session_set_cname (RTPSession *sess, const gchar *cname);
gchar* rtp_session_get_cname (RTPSession *sess);
void rtp_session_set_name (RTPSession *sess, const gchar *name);
gchar* rtp_session_get_name (RTPSession *sess);
void rtp_session_set_email (RTPSession *sess, const gchar *email);
gchar* rtp_session_get_email (RTPSession *sess);
void rtp_session_set_phone (RTPSession *sess, const gchar *phone);
gchar* rtp_session_get_phone (RTPSession *sess);
void rtp_session_set_location (RTPSession *sess, const gchar *location);
gchar* rtp_session_get_location (RTPSession *sess);
void rtp_session_set_tool (RTPSession *sess, const gchar *tool);
gchar* rtp_session_get_tool (RTPSession *sess);
void rtp_session_set_note (RTPSession *sess, const gchar *note);
gchar* rtp_session_get_note (RTPSession *sess);
/* handling sources */
gboolean rtp_session_add_source (RTPSession *sess, RTPSource *src);
gint rtp_session_get_num_sources (RTPSession *sess);
gint rtp_session_get_num_active_sources (RTPSession *sess);
RTPSource* rtp_session_get_source_by_ssrc (RTPSession *sess, guint32 ssrc);
RTPSource* rtp_session_get_source_by_cname (RTPSession *sess, const gchar *cname);
RTPSource* rtp_session_create_source (RTPSession *sess);
/* processing packets from receivers */
GstFlowReturn rtp_session_process_rtp (RTPSession *sess, GstBuffer *buffer);
GstFlowReturn rtp_session_process_rtcp (RTPSession *sess, GstBuffer *buffer);
/* processing packets for sending */
GstFlowReturn rtp_session_send_rtp (RTPSession *sess, GstBuffer *buffer);
/* get interval for next RTCP interval */
gdouble rtp_session_get_reporting_interval (RTPSession *sess);
GstFlowReturn rtp_session_perform_reporting (RTPSession *sess);
#endif /* __RTP_SESSION_H__ */