mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-21 07:46:38 +00:00
276 lines
9.4 KiB
C
276 lines
9.4 KiB
C
/* GStreamer
|
|
* Copyright (C) <2007> Wim Taymans <wim.taymans@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., 51 Franklin St, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#ifndef __RTP_SOURCE_H__
|
|
#define __RTP_SOURCE_H__
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/rtp/gstrtcpbuffer.h>
|
|
#include <gst/net/gstnetaddressmeta.h>
|
|
#include <gio/gio.h>
|
|
|
|
#include "rtpstats.h"
|
|
|
|
/* the default number of consecutive RTP packets we need to receive before the
|
|
* source is considered valid */
|
|
#define RTP_NO_PROBATION 0
|
|
#define RTP_DEFAULT_PROBATION 2
|
|
|
|
#define RTP_SEQ_MOD (1 << 16)
|
|
|
|
typedef struct _RTPSource RTPSource;
|
|
typedef struct _RTPSourceClass RTPSourceClass;
|
|
|
|
#define RTP_TYPE_SOURCE (rtp_source_get_type())
|
|
#define RTP_SOURCE(src) (G_TYPE_CHECK_INSTANCE_CAST((src),RTP_TYPE_SOURCE,RTPSource))
|
|
#define RTP_SOURCE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),RTP_TYPE_SOURCE,RTPSourceClass))
|
|
#define RTP_IS_SOURCE(src) (G_TYPE_CHECK_INSTANCE_TYPE((src),RTP_TYPE_SOURCE))
|
|
#define RTP_IS_SOURCE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),RTP_TYPE_SOURCE))
|
|
#define RTP_SOURCE_CAST(src) ((RTPSource *)(src))
|
|
|
|
/**
|
|
* RTP_SOURCE_IS_ACTIVE:
|
|
* @src: an #RTPSource
|
|
*
|
|
* Check if @src is active. A source is active when it has been validated
|
|
* and has not yet received a BYE packet.
|
|
*/
|
|
#define RTP_SOURCE_IS_ACTIVE(src) (src->validated && !src->marked_bye)
|
|
|
|
/**
|
|
* RTP_SOURCE_IS_SENDER:
|
|
* @src: an #RTPSource
|
|
*
|
|
* Check if @src is a sender.
|
|
*/
|
|
#define RTP_SOURCE_IS_SENDER(src) (src->is_sender)
|
|
/**
|
|
* RTP_SOURCE_IS_MARKED_BYE:
|
|
* @src: an #RTPSource
|
|
*
|
|
* Check if @src is a marked as BYE.
|
|
*/
|
|
#define RTP_SOURCE_IS_MARKED_BYE(src) (src->marked_bye)
|
|
|
|
|
|
/**
|
|
* RTPSourcePushRTP:
|
|
* @src: an #RTPSource
|
|
* @buffer: the RTP buffer ready for processing
|
|
* @user_data: user data specified when registering
|
|
*
|
|
* This callback will be called when @src has @buffer ready for further
|
|
* processing.
|
|
*
|
|
* Returns: a #GstFlowReturn.
|
|
*/
|
|
typedef GstFlowReturn (*RTPSourcePushRTP) (RTPSource *src, GstBuffer *buffer,
|
|
gpointer user_data);
|
|
|
|
/**
|
|
* RTPSourceClockRate:
|
|
* @src: an #RTPSource
|
|
* @payload: a payload type
|
|
* @user_data: user data specified when registering
|
|
*
|
|
* This callback will be called when @src needs the clock-rate of the
|
|
* @payload.
|
|
*
|
|
* Returns: a clock-rate for @payload.
|
|
*/
|
|
typedef gint (*RTPSourceClockRate) (RTPSource *src, guint8 payload, gpointer user_data);
|
|
|
|
/**
|
|
* RTPSourceCallbacks:
|
|
* @push_rtp: a packet becomes available for handling
|
|
* @clock_rate: a clock-rate is requested
|
|
* @get_time: the current clock time is requested
|
|
*
|
|
* Callbacks performed by #RTPSource when actions need to be performed.
|
|
*/
|
|
typedef struct {
|
|
RTPSourcePushRTP push_rtp;
|
|
RTPSourceClockRate clock_rate;
|
|
} RTPSourceCallbacks;
|
|
|
|
/**
|
|
* RTPConflictingAddress:
|
|
* @address: #GSocketAddress which conflicted
|
|
* @last_conflict_time: time when the last conflict was seen
|
|
*
|
|
* This structure is used to account for addresses that have conflicted to find
|
|
* loops.
|
|
*/
|
|
typedef struct {
|
|
GSocketAddress *address;
|
|
GstClockTime time;
|
|
} RTPConflictingAddress;
|
|
|
|
/**
|
|
* RTPSource:
|
|
*
|
|
* A source in the #RTPSession
|
|
*
|
|
* @conflicting_addresses: GList of conflicting addresses
|
|
*/
|
|
struct _RTPSource {
|
|
GObject object;
|
|
|
|
/*< private >*/
|
|
guint32 ssrc;
|
|
|
|
guint probation;
|
|
guint curr_probation;
|
|
gboolean validated;
|
|
gboolean internal;
|
|
gboolean is_csrc;
|
|
gboolean is_sender;
|
|
gboolean closing;
|
|
|
|
GstStructure *sdes;
|
|
|
|
gboolean marked_bye;
|
|
gchar *bye_reason;
|
|
gboolean sent_bye;
|
|
|
|
GSocketAddress *rtp_from;
|
|
GSocketAddress *rtcp_from;
|
|
|
|
gint payload;
|
|
GstCaps *caps;
|
|
gint clock_rate;
|
|
gint32 seqnum_base;
|
|
|
|
GstClockTime bye_time;
|
|
GstClockTime last_activity;
|
|
GstClockTime last_rtp_activity;
|
|
|
|
GstClockTime last_rtime;
|
|
GstClockTime last_rtptime;
|
|
|
|
/* for bitrate estimation */
|
|
guint64 bitrate;
|
|
GstClockTime prev_rtime;
|
|
guint64 bytes_sent;
|
|
guint64 bytes_received;
|
|
|
|
GQueue *packets;
|
|
|
|
RTPSourceCallbacks callbacks;
|
|
gpointer user_data;
|
|
|
|
RTPSourceStats stats;
|
|
RTPReceiverReport last_rr;
|
|
|
|
GList *conflicting_addresses;
|
|
|
|
GQueue *retained_feedback;
|
|
|
|
gboolean send_pli;
|
|
gboolean send_fir;
|
|
guint8 current_send_fir_seqnum;
|
|
gint last_fir_count;
|
|
};
|
|
|
|
struct _RTPSourceClass {
|
|
GObjectClass parent_class;
|
|
};
|
|
|
|
GType rtp_source_get_type (void);
|
|
|
|
/* managing lifetime of sources */
|
|
RTPSource* rtp_source_new (guint32 ssrc);
|
|
void rtp_source_set_callbacks (RTPSource *src, RTPSourceCallbacks *cb, gpointer data);
|
|
|
|
/* properties */
|
|
guint32 rtp_source_get_ssrc (RTPSource *src);
|
|
|
|
void rtp_source_set_as_csrc (RTPSource *src);
|
|
gboolean rtp_source_is_as_csrc (RTPSource *src);
|
|
|
|
gboolean rtp_source_is_active (RTPSource *src);
|
|
gboolean rtp_source_is_validated (RTPSource *src);
|
|
gboolean rtp_source_is_sender (RTPSource *src);
|
|
|
|
void rtp_source_mark_bye (RTPSource *src, const gchar *reason);
|
|
gboolean rtp_source_is_marked_bye (RTPSource *src);
|
|
gchar * rtp_source_get_bye_reason (RTPSource *src);
|
|
|
|
void rtp_source_update_caps (RTPSource *src, GstCaps *caps);
|
|
|
|
/* SDES info */
|
|
const GstStructure *
|
|
rtp_source_get_sdes_struct (RTPSource * src);
|
|
gboolean rtp_source_set_sdes_struct (RTPSource * src, GstStructure *sdes);
|
|
|
|
/* handling network address */
|
|
void rtp_source_set_rtp_from (RTPSource *src, GSocketAddress *address);
|
|
void rtp_source_set_rtcp_from (RTPSource *src, GSocketAddress *address);
|
|
|
|
/* handling RTP */
|
|
GstFlowReturn rtp_source_process_rtp (RTPSource *src, GstBuffer *buffer, RTPArrivalStats *arrival);
|
|
|
|
GstFlowReturn rtp_source_send_rtp (RTPSource *src, gpointer data, gboolean is_list,
|
|
GstClockTime running_time);
|
|
/* RTCP messages */
|
|
void rtp_source_process_sr (RTPSource *src, GstClockTime time, guint64 ntptime,
|
|
guint32 rtptime, guint32 packet_count, guint32 octet_count);
|
|
void rtp_source_process_rb (RTPSource *src, guint64 ntpnstime, guint8 fractionlost,
|
|
gint32 packetslost, guint32 exthighestseq, guint32 jitter,
|
|
guint32 lsr, guint32 dlsr);
|
|
|
|
gboolean rtp_source_get_new_sr (RTPSource *src, guint64 ntpnstime, GstClockTime running_time,
|
|
guint64 *ntptime, guint32 *rtptime, guint32 *packet_count,
|
|
guint32 *octet_count);
|
|
gboolean rtp_source_get_new_rb (RTPSource *src, GstClockTime time, guint8 *fractionlost,
|
|
gint32 *packetslost, guint32 *exthighestseq, guint32 *jitter,
|
|
guint32 *lsr, guint32 *dlsr);
|
|
|
|
gboolean rtp_source_get_last_sr (RTPSource *src, GstClockTime *time, guint64 *ntptime,
|
|
guint32 *rtptime, guint32 *packet_count,
|
|
guint32 *octet_count);
|
|
gboolean rtp_source_get_last_rb (RTPSource *src, guint8 *fractionlost, gint32 *packetslost,
|
|
guint32 *exthighestseq, guint32 *jitter,
|
|
guint32 *lsr, guint32 *dlsr, guint32 *round_trip);
|
|
|
|
void rtp_source_reset (RTPSource * src);
|
|
|
|
gboolean rtp_source_find_conflicting_address (RTPSource * src,
|
|
GSocketAddress *address,
|
|
GstClockTime time);
|
|
|
|
void rtp_source_add_conflicting_address (RTPSource * src,
|
|
GSocketAddress *address,
|
|
GstClockTime time);
|
|
|
|
void rtp_source_timeout (RTPSource * src,
|
|
GstClockTime current_time,
|
|
GstClockTime collision_timeout,
|
|
GstClockTime feedback_retention_window);
|
|
|
|
void rtp_source_retain_rtcp_packet (RTPSource * src,
|
|
GstRTCPPacket *pkt,
|
|
GstClockTime running_time);
|
|
|
|
gboolean rtp_source_has_retained (RTPSource * src,
|
|
GCompareFunc func,
|
|
gconstpointer data);
|
|
|
|
|
|
#endif /* __RTP_SOURCE_H__ */
|