| /* 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_STATS_H__ |
| #define __RTP_STATS_H__ |
| |
| #include <gst/gst.h> |
| #include <gst/net/gstnetaddressmeta.h> |
| #include <gio/gio.h> |
| |
| /** |
| * RTPSenderReport: |
| * |
| * A sender report structure. |
| */ |
| typedef struct { |
| gboolean is_valid; |
| guint64 ntptime; |
| guint32 rtptime; |
| guint32 packet_count; |
| guint32 octet_count; |
| GstClockTime time; |
| } RTPSenderReport; |
| |
| /** |
| * RTPReceiverReport: |
| * |
| * A receiver report structure. |
| */ |
| typedef struct { |
| gboolean is_valid; |
| guint32 ssrc; /* who the report is from */ |
| guint8 fractionlost; |
| guint32 packetslost; |
| guint32 exthighestseq; |
| guint32 jitter; |
| guint32 lsr; |
| guint32 dlsr; |
| guint32 round_trip; |
| } RTPReceiverReport; |
| |
| /** |
| * RTPPacketInfo: |
| * @send: if this is a packet for sending |
| * @rtp: if this info is about an RTP packet |
| * @is_list: if this is a bufferlist |
| * @data: a #GstBuffer or #GstBufferList |
| * @address: address of the sender of the packet |
| * @current_time: current time according to the system clock |
| * @running_time: time of a packet as buffer running_time |
| * @ntpnstime: time of a packet NTP time in nanoseconds |
| * @header_len: number of overhead bytes per packet |
| * @bytes: bytes of the packet including lowlevel overhead |
| * @payload_len: bytes of the RTP payload |
| * @seqnum: the seqnum of the packet |
| * @pt: the payload type of the packet |
| * @rtptime: the RTP time of the packet |
| * |
| * Structure holding information about the packet. |
| */ |
| typedef struct { |
| gboolean send; |
| gboolean rtp; |
| gboolean is_list; |
| gpointer data; |
| GSocketAddress *address; |
| GstClockTime current_time; |
| GstClockTime running_time; |
| guint64 ntpnstime; |
| guint header_len; |
| guint bytes; |
| guint packets; |
| guint payload_len; |
| guint32 ssrc; |
| guint16 seqnum; |
| guint8 pt; |
| guint32 rtptime; |
| guint32 csrc_count; |
| guint32 csrcs[16]; |
| } RTPPacketInfo; |
| |
| /** |
| * RTPSourceStats: |
| * @packetsreceived: number of received packets in total |
| * @prevpacketsreceived: number of packets received in previous reporting |
| * interval |
| * @octetsreceived: number of payload bytes received |
| * @bytesreceived: number of total bytes received including headers and lower |
| * protocol level overhead |
| * @max_seqnr: highest sequence number received |
| * @transit: previous transit time used for calculating @jitter |
| * @jitter: current jitter |
| * @prev_rtptime: previous time when an RTP packet was received |
| * @prev_rtcptime: previous time when an RTCP packet was received |
| * @last_rtptime: time when last RTP packet received |
| * @last_rtcptime: time when last RTCP packet received |
| * @curr_rr: index of current @rr block |
| * @rr: previous and current receiver report block |
| * @curr_sr: index of current @sr block |
| * @sr: previous and current sender report block |
| * |
| * Stats about a source. |
| */ |
| typedef struct { |
| guint64 packets_received; |
| guint64 octets_received; |
| guint64 bytes_received; |
| |
| guint32 prev_expected; |
| guint32 prev_received; |
| |
| guint16 max_seq; |
| guint64 cycles; |
| guint32 base_seq; |
| guint32 bad_seq; |
| guint32 transit; |
| guint32 jitter; |
| |
| guint64 packets_sent; |
| guint64 octets_sent; |
| |
| /* when we received stuff */ |
| GstClockTime prev_rtptime; |
| GstClockTime prev_rtcptime; |
| GstClockTime last_rtptime; |
| GstClockTime last_rtcptime; |
| |
| /* sender and receiver reports */ |
| gint curr_rr; |
| RTPReceiverReport rr[2]; |
| gint curr_sr; |
| RTPSenderReport sr[2]; |
| } RTPSourceStats; |
| |
| #define RTP_STATS_BANDWIDTH 64000 |
| #define RTP_STATS_RTCP_FRACTION 0.05 |
| /* |
| * Minimum average time between RTCP packets from this site (in |
| * seconds). This time prevents the reports from `clumping' when |
| * sessions are small and the law of large numbers isn't helping |
| * to smooth out the traffic. It also keeps the report interval |
| * from becoming ridiculously small during transient outages like |
| * a network partition. |
| */ |
| #define RTP_STATS_MIN_INTERVAL 5.0 |
| /* |
| * Fraction of the RTCP bandwidth to be shared among active |
| * senders. (This fraction was chosen so that in a typical |
| * session with one or two active senders, the computed report |
| * time would be roughly equal to the minimum report time so that |
| * we don't unnecessarily slow down receiver reports.) The |
| * receiver fraction must be 1 - the sender fraction. |
| */ |
| #define RTP_STATS_SENDER_FRACTION (0.25) |
| #define RTP_STATS_RECEIVER_FRACTION (1.0 - RTP_STATS_SENDER_FRACTION) |
| |
| /* |
| * When receiving a BYE from a source, remove the source from the database |
| * after this timeout. |
| */ |
| #define RTP_STATS_BYE_TIMEOUT (2 * GST_SECOND) |
| |
| /* |
| * The maximum number of missing packets we tollerate. These are packets with a |
| * sequence number bigger than the last seen packet. |
| */ |
| #define RTP_MAX_DROPOUT 3000 |
| /* |
| * The maximum number of misordered packets we tollerate. These are packets with |
| * a sequence number smaller than the last seen packet. |
| */ |
| #define RTP_MAX_MISORDER 100 |
| |
| /** |
| * RTPSessionStats: |
| * |
| * Stats kept for a session and used to produce RTCP packet timeouts. |
| */ |
| typedef struct { |
| guint bandwidth; |
| guint rtcp_bandwidth; |
| gdouble sender_fraction; |
| gdouble receiver_fraction; |
| gdouble min_interval; |
| GstClockTime bye_timeout; |
| guint internal_sources; |
| guint sender_sources; |
| guint internal_sender_sources; |
| guint active_sources; |
| guint avg_rtcp_packet_size; |
| guint bye_members; |
| guint nacks_dropped; |
| guint nacks_sent; |
| guint nacks_received; |
| } RTPSessionStats; |
| |
| void rtp_stats_init_defaults (RTPSessionStats *stats); |
| |
| void rtp_stats_set_bandwidths (RTPSessionStats *stats, |
| guint rtp_bw, |
| gdouble rtcp_bw, |
| guint rs, guint rr); |
| |
| GstClockTime rtp_stats_calculate_rtcp_interval (RTPSessionStats *stats, gboolean sender, gboolean first); |
| GstClockTime rtp_stats_add_rtcp_jitter (RTPSessionStats *stats, GstClockTime interval); |
| GstClockTime rtp_stats_calculate_bye_interval (RTPSessionStats *stats); |
| gint64 rtp_stats_get_packets_lost (const RTPSourceStats *stats); |
| |
| void rtp_stats_set_min_interval (RTPSessionStats *stats, |
| gdouble min_interval); |
| |
| |
| gboolean __g_socket_address_equal (GSocketAddress *a, GSocketAddress *b); |
| gchar * __g_socket_address_to_string (GSocketAddress * addr); |
| |
| #endif /* __RTP_STATS_H__ */ |
