oRTP
0.24.0
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00001 /* 00002 The oRTP library is an RTP (Realtime Transport Protocol - rfc3550) stack. 00003 Copyright (C) 2001 Simon MORLAT simon.morlat@linphone.org 00004 00005 This library is free software; you can redistribute it and/or 00006 modify it under the terms of the GNU Lesser General Public 00007 License as published by the Free Software Foundation; either 00008 version 2.1 of the License, or (at your option) any later version. 00009 00010 This library is distributed in the hope that it will be useful, 00011 but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 Lesser General Public License for more details. 00014 00015 You should have received a copy of the GNU Lesser General Public 00016 License along with this library; if not, write to the Free Software 00017 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00018 */ 00019 00030 #ifndef RTPSESSION_H 00031 #define RTPSESSION_H 00032 00033 00034 #include <ortp/port.h> 00035 #include <ortp/rtp.h> 00036 #include <ortp/payloadtype.h> 00037 #include <ortp/rtpprofile.h> 00038 #include <ortp/sessionset.h> 00039 #include <ortp/rtcp.h> 00040 #include <ortp/str_utils.h> 00041 #include <ortp/rtpsignaltable.h> 00042 #include <ortp/event.h> 00043 00044 00045 00046 typedef enum { 00047 RTP_SESSION_RECVONLY, 00048 RTP_SESSION_SENDONLY, 00049 RTP_SESSION_SENDRECV 00050 } RtpSessionMode; 00051 00052 00055 typedef struct _JBParameters{ 00056 int min_size; 00057 int nom_size; 00058 int max_size; 00059 bool_t adaptive; 00060 bool_t pad[3]; 00061 int max_packets; 00062 } JBParameters; 00063 00064 typedef struct _JitterControl 00065 { 00066 unsigned int count; 00067 int jitt_comp; /* the user jitt_comp in miliseconds*/ 00068 int jitt_comp_ts; /* the jitt_comp converted in rtp time (same unit as timestamp) */ 00069 int adapt_jitt_comp_ts; 00070 int64_t slide; 00071 int64_t prev_slide; 00072 float jitter; 00073 int olddiff; 00074 float inter_jitter; /* interarrival jitter as defined in the RFC */ 00075 int corrective_step; 00076 int corrective_slide; 00077 uint64_t cum_jitter_buffer_size; /*in timestamp units*/ 00078 unsigned int cum_jitter_buffer_count; /*used for computation of jitter buffer size*/ 00079 int clock_rate; 00080 bool_t adaptive; 00081 bool_t enabled; 00082 } JitterControl; 00083 00084 typedef struct _WaitPoint 00085 { 00086 ortp_mutex_t lock; 00087 ortp_cond_t cond; 00088 uint32_t time; 00089 bool_t wakeup; 00090 } WaitPoint; 00091 00092 typedef struct _RtpTransportModifier 00093 { 00094 void *data; 00095 struct _RtpSession *session;//<back pointer to the owning session, set by oRTP 00096 int (*t_process_on_send)(struct _RtpTransportModifier *t, mblk_t *msg); 00097 int (*t_process_on_receive)(struct _RtpTransportModifier *t, mblk_t *msg); 00098 void (*t_process_on_schedule)(struct _RtpTransportModifier *t); /*invoked each time rtp_session_recvm even is no message are available*/ 00103 void (*t_destroy)(struct _RtpTransportModifier *transport); 00104 } RtpTransportModifier; 00105 00106 typedef struct _RtpTransport 00107 { 00108 void *data; 00109 struct _RtpSession *session;//<back pointer to the owning session, set by oRTP 00110 ortp_socket_t (*t_getsocket)(struct _RtpTransport *t); 00111 int (*t_sendto)(struct _RtpTransport *t, mblk_t *msg , int flags, const struct sockaddr *to, socklen_t tolen); 00112 int (*t_recvfrom)(struct _RtpTransport *t, mblk_t *msg, int flags, struct sockaddr *from, socklen_t *fromlen); 00113 void (*t_close)(struct _RtpTransport *transport, void *userData); 00118 void (*t_destroy)(struct _RtpTransport *transport); 00119 } RtpTransport; 00120 00121 typedef enum _OrtpNetworkSimulatorMode{ 00122 OrtpNetworkSimulatorInvalid=-1, 00123 OrtpNetworkSimulatorInbound, 00124 OrtpNetworkSimulatorOutbound, 00125 OrtpNetworkSimulatorOutboundControlled 00127 }OrtpNetworkSimulatorMode; 00128 00132 typedef struct _OrtpNetworkSimulatorParams{ 00133 int enabled; 00134 float max_bandwidth; 00135 int max_buffer_size; 00136 float loss_rate; 00137 uint32_t latency; 00138 float consecutive_loss_probability; 00139 float jitter_burst_density; 00140 float jitter_strength; 00141 OrtpNetworkSimulatorMode mode; 00142 }OrtpNetworkSimulatorParams; 00143 00144 typedef struct _OrtpNetworkSimulatorCtx{ 00145 OrtpNetworkSimulatorParams params; 00146 int bit_budget; 00147 int qsize; 00148 queue_t q;/*queue used for simulating bandwidth limit*/ 00149 queue_t latency_q; 00150 queue_t send_q; /*used only for OrtpNetworkSimulatorOutbound direction*/ 00151 struct timeval last_check; 00152 uint64_t last_jitter_event; 00153 int consecutive_drops; 00154 int drops_to_ignore; 00155 int drop_by_congestion; 00156 int drop_by_loss; 00157 int total_count; /*total number of packets gone through the simulator*/ 00158 ortp_mutex_t mutex; 00159 ortp_thread_t thread; 00160 bool_t in_jitter_event; 00161 bool_t thread_started; 00162 }OrtpNetworkSimulatorCtx; 00163 00164 typedef struct OrtpRtcpSendAlgorithm { 00165 uint64_t tn; /* Time of the next scheduled RTCP RR transmission in milliseconds. */ 00166 uint64_t tp; /* Time of the last scheduled RTCP RR transmission in milliseconds. */ 00167 uint64_t t_rr_last; /* Time of the last regular RTCP packet sent in milliseconds. */ 00168 uint32_t T_rr; /* Interval for the scheduling of the next regular RTCP packet. */ 00169 uint32_t T_max_fb_delay; /* Interval within which a feeback message is considered to be useful to the sender. */ 00170 uint32_t T_rr_interval; /* Minimal interval to be used between regular RTCP packets. */ 00171 uint32_t T_rr_current_interval; 00172 uint32_t Tmin; /* Minimal interval between RTCP packets. */ 00173 float avg_rtcp_size; 00174 mblk_t *fb_packets; 00175 bool_t initialized; /* Whether the RTCP send algorithm is fully initialized. */ 00176 bool_t initial; 00177 bool_t allow_early; 00178 } OrtpRtcpSendAlgorithm; 00179 00180 #define ORTP_RTCP_XR_UNAVAILABLE_PARAMETER 127 00181 00182 typedef enum { 00183 OrtpRtcpXrNoPlc, 00184 OrtpRtcpXrSilencePlc, 00185 OrtpRtcpXrEnhancedPlc 00186 } OrtpRtcpXrPlcStatus; 00187 00188 typedef OrtpRtcpXrPlcStatus (*OrtpRtcpXrPlcCallback)(unsigned long userdata); 00189 typedef int (*OrtpRtcpXrSignalLevelCallback)(unsigned long userdata); 00190 typedef int (*OrtpRtcpXrNoiseLevelCallback)(unsigned long userdata); 00191 typedef float (*OrtpRtcpXrAverageQualityIndicatorCallback)(unsigned long userdata); 00192 00193 typedef struct OrtpRtcpXrMediaCallbacks { 00194 OrtpRtcpXrPlcCallback plc; 00195 OrtpRtcpXrSignalLevelCallback signal_level; 00196 OrtpRtcpXrNoiseLevelCallback noise_level; 00197 OrtpRtcpXrAverageQualityIndicatorCallback average_qi; 00198 OrtpRtcpXrAverageQualityIndicatorCallback average_lq_qi; 00199 unsigned long userdata; 00200 } OrtpRtcpXrMediaCallbacks; 00201 00202 typedef enum { 00203 OrtpRtcpXrRcvrRttNone, 00204 OrtpRtcpXrRcvrRttAll, 00205 OrtpRtcpXrRcvrRttSender 00206 } OrtpRtcpXrRcvrRttMode; 00207 00208 typedef enum { 00209 OrtpRtcpXrStatSummaryLoss = (1 << 7), 00210 OrtpRtcpXrStatSummaryDup = (1 << 6), 00211 OrtpRtcpXrStatSummaryJitt = (1 << 5), 00212 OrtpRtcpXrStatSummaryTTL = (1 << 3), 00213 OrtpRtcpXrStatSummaryHL = (1 << 4) 00214 } OrtpRtcpXrStatSummaryFlag; 00215 00216 typedef struct OrtpRtcpXrConfiguration { 00217 bool_t enabled; 00218 bool_t stat_summary_enabled; 00219 bool_t voip_metrics_enabled; 00220 OrtpRtcpXrRcvrRttMode rcvr_rtt_mode; 00221 int rcvr_rtt_max_size; 00222 OrtpRtcpXrStatSummaryFlag stat_summary_flags; 00223 } OrtpRtcpXrConfiguration; 00224 00225 typedef struct OrtpRtcpXrStats { 00226 uint32_t last_rcvr_rtt_ts; /* NTP timestamp (middle 32 bits) of last received XR rcvr-rtt */ 00227 struct timeval last_rcvr_rtt_time; /* Time at which last XR rcvr-rtt was received */ 00228 uint16_t rcv_seq_at_last_stat_summary; /* Received sequence number at last XR stat-summary sent */ 00229 uint32_t rcv_since_last_stat_summary; /* The number of packets received since last XR stat-summary was sent */ 00230 uint32_t dup_since_last_stat_summary; /* The number of duplicate packets received since last XR stat-summary was sent */ 00231 uint32_t min_jitter_since_last_stat_summary; /* The minimum value of jitter since last XR stat-summary was sent */ 00232 uint32_t max_jitter_since_last_stat_summary; /* The maximum value of jitter since last XR stat-summary was sent */ 00233 double olds_jitter_since_last_stat_summary; 00234 double oldm_jitter_since_last_stat_summary; 00235 double news_jitter_since_last_stat_summary; 00236 double newm_jitter_since_last_stat_summary; 00237 int64_t last_jitter_diff_since_last_stat_summary; 00238 double olds_ttl_or_hl_since_last_stat_summary; 00239 double oldm_ttl_or_hl_since_last_stat_summary; 00240 double news_ttl_or_hl_since_last_stat_summary; 00241 double newm_ttl_or_hl_since_last_stat_summary; 00242 uint8_t min_ttl_or_hl_since_last_stat_summary; /* The minimum value of TTL/HL since last XR stat-summary was sent */ 00243 uint8_t max_ttl_or_hl_since_last_stat_summary; /* The maximum value of TTL/HL since last XR stat-summary was sent */ 00244 uint32_t first_rcv_seq; 00245 uint32_t last_rcv_seq; 00246 uint32_t rcv_count; 00247 uint32_t discarded_count; 00248 } OrtpRtcpXrStats; 00249 00250 typedef struct _OrtpAddress{ 00251 struct sockaddr_storage addr; 00252 socklen_t len; 00253 }OrtpAddress; 00254 00255 typedef struct _OrtpStream { 00256 ortp_socket_t socket; 00257 int sockfamily; 00258 int loc_port; 00259 socklen_t rem_addrlen; 00260 struct sockaddr_storage rem_addr; 00261 socklen_t loc_addrlen; 00262 struct sockaddr_storage loc_addr; 00263 struct _RtpTransport *tr; 00264 mblk_t *cached_mp; 00265 struct timeval send_bw_start; /* used for bandwidth estimation */ 00266 struct timeval recv_bw_start; /* used for bandwidth estimation */ 00267 unsigned int sent_bytes; /* used for bandwidth estimation */ 00268 unsigned int recv_bytes; /* used for bandwidth estimation */ 00269 float upload_bw; 00270 float download_bw; 00271 OList *aux_destinations; /*list of OrtpAddress */ 00272 } OrtpStream; 00273 00274 typedef struct _RtpStream 00275 { 00276 OrtpStream gs; 00277 int max_rq_size; 00278 int time_jump; 00279 uint32_t ts_jump; 00280 queue_t rq; 00281 queue_t tev_rq; 00282 void *QoSHandle; 00283 unsigned long QoSFlowID; 00284 JitterControl jittctl; 00285 uint32_t snd_time_offset;/*the scheduler time when the application send its first timestamp*/ 00286 uint32_t snd_ts_offset; /* the first application timestamp sent by the application */ 00287 uint32_t snd_rand_offset; /* a random number added to the user offset to make the stream timestamp*/ 00288 uint32_t snd_last_ts; /* the last stream timestamp sended */ 00289 uint32_t rcv_time_offset; /*the scheduler time when the application ask for its first timestamp*/ 00290 uint32_t rcv_ts_offset; /* the first stream timestamp */ 00291 uint32_t rcv_query_ts_offset; /* the first user timestamp asked by the application */ 00292 uint32_t rcv_last_ts; /* the last stream timestamp got by the application */ 00293 uint16_t rcv_last_seq; /* the last stream sequence number got by the application*/ 00294 uint16_t pad; 00295 uint32_t rcv_last_app_ts; /* the last application timestamp asked by the application */ 00296 uint32_t rcv_last_ret_ts; /* the timestamp of the last sample returned (only for continuous audio)*/ 00297 uint32_t hwrcv_extseq; /* last received on socket extended sequence number */ 00298 uint32_t hwrcv_seq_at_last_SR; 00299 uint32_t hwrcv_since_last_SR; 00300 uint32_t last_rcv_SR_ts; /* NTP timestamp (middle 32 bits) of last received SR */ 00301 struct timeval last_rcv_SR_time; /* time at which last SR was received */ 00302 uint16_t snd_seq; /* send sequence number */ 00303 uint32_t last_rtcp_packet_count; /*the sender's octet count in the last sent RTCP SR*/ 00304 uint32_t sent_payload_bytes; /*used for RTCP sender reports*/ 00305 rtp_stats_t stats; 00306 int recv_errno; 00307 int send_errno; 00308 int snd_socket_size; 00309 int rcv_socket_size; 00310 int ssrc_changed_thres; 00311 jitter_stats_t jitter_stats; 00312 }RtpStream; 00313 00314 typedef struct _RtcpStream 00315 { 00316 OrtpStream gs; 00317 OrtpRtcpSendAlgorithm send_algo; 00318 OrtpRtcpXrConfiguration xr_conf; 00319 OrtpRtcpXrMediaCallbacks xr_media_callbacks; 00320 bool_t enabled; /*tells whether we can send RTCP packets */ 00321 bool_t rtcp_xr_dlrr_to_send; 00322 uint8_t rtcp_fb_fir_seq_nr; /* The FIR command sequence number */ 00323 uint32_t last_rtcp_fb_pli_snt; 00324 } RtcpStream; 00325 00326 typedef struct _RtpSession RtpSession; 00327 00328 00337 struct _RtpSession 00338 { 00339 RtpSession *next; /* next RtpSession, when the session are enqueued by the scheduler */ 00340 int mask_pos; /* the position in the scheduler mask of RtpSession : do not move this field: it is part of the ABI since the session_set macros use it*/ 00341 struct { 00342 RtpProfile *profile; 00343 int pt; 00344 unsigned int ssrc; 00345 WaitPoint wp; 00346 } snd,rcv; 00347 unsigned int inc_ssrc_candidate; 00348 int inc_same_ssrc_count; 00349 int hw_recv_pt; /* recv payload type before jitter buffer */ 00350 int recv_buf_size; 00351 int target_upload_bandwidth; /* Target upload bandwidth at nework layer (with IP and UDP headers) in bits/s */ 00352 RtpSignalTable on_ssrc_changed; 00353 RtpSignalTable on_payload_type_changed; 00354 RtpSignalTable on_telephone_event_packet; 00355 RtpSignalTable on_telephone_event; 00356 RtpSignalTable on_timestamp_jump; 00357 RtpSignalTable on_network_error; 00358 RtpSignalTable on_rtcp_bye; 00359 struct _OList *signal_tables; 00360 struct _OList *eventqs; 00361 msgb_allocator_t allocator; 00362 RtpStream rtp; 00363 RtcpStream rtcp; 00364 OrtpRtcpXrStats rtcp_xr_stats; 00365 RtpSessionMode mode; 00366 struct _RtpScheduler *sched; 00367 uint32_t flags; 00368 int dscp; 00369 int multicast_ttl; 00370 int multicast_loopback; 00371 float duplication_ratio; /* Number of times a packet should be duplicated */ 00372 float duplication_left ; /* Remainder of the duplication ratio */ 00373 void * user_data; 00374 /* FIXME: Should be a table for all session participants. */ 00375 struct timeval last_recv_time; /* Time of receiving the RTP/RTCP packet. */ 00376 mblk_t *pending; 00377 /* telephony events extension */ 00378 mblk_t *current_tev; /* the pending telephony events */ 00379 mblk_t *minimal_sdes; 00380 mblk_t *full_sdes; 00381 queue_t contributing_sources; 00382 int64_t lost_packets_test_vector; 00383 unsigned int interarrival_jitter_test_vector; 00384 unsigned int delay_test_vector; 00385 float rtt;/*last round trip delay calculated*/ 00386 int cum_loss; 00387 OrtpNetworkSimulatorCtx *net_sim_ctx; 00388 bool_t symmetric_rtp; 00389 bool_t permissive; /*use the permissive algorithm*/ 00390 bool_t use_connect; /* use connect() on the socket */ 00391 bool_t ssrc_set; 00392 bool_t reuseaddr; /*setsockopt SO_REUSEADDR */ 00393 }; 00394 00395 00396 00397 00398 #ifdef __cplusplus 00399 extern "C" 00400 { 00401 #endif 00402 00403 ORTP_PUBLIC const char *ortp_network_simulator_mode_to_string(OrtpNetworkSimulatorMode mode); 00404 ORTP_PUBLIC OrtpNetworkSimulatorMode ortp_network_simulator_mode_from_string(const char *str); 00405 00406 00407 /* public API */ 00408 ORTP_PUBLIC RtpSession *rtp_session_new(int mode); 00409 ORTP_PUBLIC void rtp_session_set_scheduling_mode(RtpSession *session, int yesno); 00410 ORTP_PUBLIC void rtp_session_set_blocking_mode(RtpSession *session, int yesno); 00411 ORTP_PUBLIC void rtp_session_set_profile(RtpSession *session, RtpProfile *profile); 00412 ORTP_PUBLIC void rtp_session_set_send_profile(RtpSession *session,RtpProfile *profile); 00413 ORTP_PUBLIC void rtp_session_set_recv_profile(RtpSession *session,RtpProfile *profile); 00414 ORTP_PUBLIC RtpProfile *rtp_session_get_profile(RtpSession *session); 00415 ORTP_PUBLIC RtpProfile *rtp_session_get_send_profile(RtpSession *session); 00416 ORTP_PUBLIC RtpProfile *rtp_session_get_recv_profile(RtpSession *session); 00417 ORTP_PUBLIC int rtp_session_signal_connect(RtpSession *session,const char *signal_name, RtpCallback cb, void *user_data); 00418 ORTP_PUBLIC int rtp_session_signal_disconnect_by_callback(RtpSession *session,const char *signal_name, RtpCallback cb); 00419 ORTP_PUBLIC void rtp_session_set_ssrc(RtpSession *session, uint32_t ssrc); 00420 ORTP_PUBLIC uint32_t rtp_session_get_send_ssrc(RtpSession* session); 00421 ORTP_PUBLIC uint32_t rtp_session_get_recv_ssrc(RtpSession *session); 00422 ORTP_PUBLIC void rtp_session_set_seq_number(RtpSession *session, uint16_t seq); 00423 ORTP_PUBLIC uint16_t rtp_session_get_seq_number(RtpSession *session); 00424 ORTP_PUBLIC uint32_t rtp_session_get_rcv_ext_seq_number(RtpSession *session); 00425 ORTP_PUBLIC int rtp_session_get_cum_loss(RtpSession *session); 00426 ORTP_PUBLIC void rtp_session_set_duplication_ratio(RtpSession *session, float ratio); 00427 00428 ORTP_PUBLIC void rtp_session_enable_jitter_buffer(RtpSession *session , bool_t enabled); 00429 ORTP_PUBLIC bool_t rtp_session_jitter_buffer_enabled(const RtpSession *session); 00430 ORTP_PUBLIC void rtp_session_set_jitter_buffer_params(RtpSession *session, const JBParameters *par); 00431 ORTP_PUBLIC void rtp_session_get_jitter_buffer_params(RtpSession *session, JBParameters *par); 00432 00433 /*deprecated jitter control functions*/ 00434 ORTP_PUBLIC void rtp_session_set_jitter_compensation(RtpSession *session, int milisec); 00435 ORTP_PUBLIC void rtp_session_enable_adaptive_jitter_compensation(RtpSession *session, bool_t val); 00436 ORTP_PUBLIC bool_t rtp_session_adaptive_jitter_compensation_enabled(RtpSession *session); 00437 00438 ORTP_PUBLIC void rtp_session_set_time_jump_limit(RtpSession *session, int miliseconds); 00439 ORTP_PUBLIC int rtp_session_join_multicast_group(RtpSession *session, const char *ip); 00440 ORTP_PUBLIC int rtp_session_set_local_addr(RtpSession *session,const char *addr, int rtp_port, int rtcp_port); 00441 ORTP_PUBLIC int rtp_session_get_local_port(const RtpSession *session); 00442 ORTP_PUBLIC int rtp_session_get_local_rtcp_port(const RtpSession *session); 00443 00444 ORTP_PUBLIC int 00445 rtp_session_set_remote_addr_full (RtpSession * session, const char * rtp_addr, int rtp_port, const char * rtcp_addr, int rtcp_port); 00446 /*same as previous function, old name:*/ 00447 ORTP_PUBLIC int rtp_session_set_remote_addr_and_port (RtpSession * session, const char * addr, int rtp_port, int rtcp_port); 00448 ORTP_PUBLIC int rtp_session_set_remote_addr(RtpSession *session,const char *addr, int port); 00449 ORTP_PUBLIC int rtp_session_add_aux_remote_addr_full(RtpSession * session, const char * rtp_addr, int rtp_port, const char * rtcp_addr, int rtcp_port); 00450 ORTP_PUBLIC void rtp_session_clear_aux_remote_addr(RtpSession * session); 00451 /* alternatively to the set_remote_addr() and set_local_addr(), an application can give 00452 a valid socket (potentially connect()ed )to be used by the RtpSession */ 00453 ORTP_PUBLIC void rtp_session_set_sockets(RtpSession *session, int rtpfd, int rtcpfd); 00454 00455 ORTP_PUBLIC void rtp_session_get_transports(const RtpSession *session, RtpTransport **rtptr, RtpTransport **rtcptr); 00456 /*those methods are provided for people who wants to send non-RTP messages using the RTP/RTCP sockets */ 00457 ORTP_PUBLIC ortp_socket_t rtp_session_get_rtp_socket(const RtpSession *session); 00458 ORTP_PUBLIC ortp_socket_t rtp_session_get_rtcp_socket(const RtpSession *session); 00459 00460 00461 /* QOS / DSCP */ 00462 ORTP_PUBLIC int rtp_session_set_dscp(RtpSession *session, int dscp); 00463 ORTP_PUBLIC int rtp_session_get_dscp(const RtpSession *session); 00464 00465 00466 /* Packet info */ 00467 ORTP_PUBLIC int rtp_session_set_pktinfo(RtpSession *session, int activate); 00468 00469 /* Multicast methods */ 00470 ORTP_PUBLIC int rtp_session_set_multicast_ttl(RtpSession *session, int ttl); 00471 ORTP_PUBLIC int rtp_session_get_multicast_ttl(RtpSession *session); 00472 00473 ORTP_PUBLIC int rtp_session_set_multicast_loopback(RtpSession *session, int yesno); 00474 ORTP_PUBLIC int rtp_session_get_multicast_loopback(RtpSession *session); 00475 00476 00477 00478 ORTP_PUBLIC int rtp_session_set_send_payload_type(RtpSession *session, int paytype); 00479 ORTP_PUBLIC int rtp_session_get_send_payload_type(const RtpSession *session); 00480 00481 ORTP_PUBLIC int rtp_session_get_recv_payload_type(const RtpSession *session); 00482 ORTP_PUBLIC int rtp_session_set_recv_payload_type(RtpSession *session, int pt); 00483 00484 ORTP_PUBLIC int rtp_session_set_payload_type(RtpSession *session, int pt); 00485 00486 ORTP_PUBLIC void rtp_session_set_symmetric_rtp (RtpSession * session, bool_t yesno); 00487 00488 ORTP_PUBLIC void rtp_session_set_connected_mode(RtpSession *session, bool_t yesno); 00489 00490 ORTP_PUBLIC void rtp_session_enable_rtcp(RtpSession *session, bool_t yesno); 00491 00492 ORTP_PUBLIC void rtp_session_set_rtcp_report_interval(RtpSession *session, int value_ms); 00493 00494 ORTP_PUBLIC void rtp_session_set_target_upload_bandwidth(RtpSession *session, int target_bandwidth); 00495 00496 ORTP_PUBLIC void rtp_session_configure_rtcp_xr(RtpSession *session, const OrtpRtcpXrConfiguration *config); 00497 ORTP_PUBLIC void rtp_session_set_rtcp_xr_media_callbacks(RtpSession *session, const OrtpRtcpXrMediaCallbacks *cbs); 00498 00499 ORTP_PUBLIC void rtp_session_set_ssrc_changed_threshold(RtpSession *session, int numpackets); 00500 00501 /*low level recv and send functions */ 00502 ORTP_PUBLIC mblk_t * rtp_session_recvm_with_ts (RtpSession * session, uint32_t user_ts); 00503 ORTP_PUBLIC mblk_t * rtp_session_create_packet(RtpSession *session,int header_size, const uint8_t *payload, int payload_size); 00504 ORTP_PUBLIC mblk_t * rtp_session_create_packet_raw(const uint8_t *packet, int packet_size); 00505 ORTP_PUBLIC mblk_t * rtp_session_create_packet_with_data(RtpSession *session, uint8_t *payload, int payload_size, void (*freefn)(void*)); 00506 ORTP_PUBLIC mblk_t * rtp_session_create_packet_in_place(RtpSession *session,uint8_t *buffer, int size, void (*freefn)(void*) ); 00507 ORTP_PUBLIC int rtp_session_sendm_with_ts (RtpSession * session, mblk_t *mp, uint32_t userts); 00508 /* high level recv and send functions */ 00509 ORTP_PUBLIC int rtp_session_recv_with_ts(RtpSession *session, uint8_t *buffer, int len, uint32_t ts, int *have_more); 00510 ORTP_PUBLIC int rtp_session_send_with_ts(RtpSession *session, const uint8_t *buffer, int len, uint32_t userts); 00511 00512 /* event API*/ 00513 ORTP_PUBLIC void rtp_session_register_event_queue(RtpSession *session, OrtpEvQueue *q); 00514 ORTP_PUBLIC void rtp_session_unregister_event_queue(RtpSession *session, OrtpEvQueue *q); 00515 00516 00517 /* IP bandwidth usage estimation functions, returning bits/s*/ 00518 ORTP_PUBLIC float rtp_session_compute_send_bandwidth(RtpSession *session); 00519 ORTP_PUBLIC float rtp_session_compute_recv_bandwidth(RtpSession *session); 00520 ORTP_PUBLIC float rtp_session_get_send_bandwidth(RtpSession *session); 00521 ORTP_PUBLIC float rtp_session_get_recv_bandwidth(RtpSession *session); 00522 ORTP_PUBLIC float rtp_session_get_rtp_send_bandwidth(RtpSession *session); 00523 ORTP_PUBLIC float rtp_session_get_rtp_recv_bandwidth(RtpSession *session); 00524 ORTP_PUBLIC float rtp_session_get_rtcp_send_bandwidth(RtpSession *session); 00525 ORTP_PUBLIC float rtp_session_get_rtcp_recv_bandwidth(RtpSession *session); 00526 00527 ORTP_PUBLIC void rtp_session_send_rtcp_APP(RtpSession *session, uint8_t subtype, const char *name, const uint8_t *data, int datalen); 00528 00529 ORTP_PUBLIC uint32_t rtp_session_get_current_send_ts(RtpSession *session); 00530 ORTP_PUBLIC uint32_t rtp_session_get_current_recv_ts(RtpSession *session); 00531 ORTP_PUBLIC void rtp_session_flush_sockets(RtpSession *session); 00532 ORTP_PUBLIC void rtp_session_release_sockets(RtpSession *session); 00533 ORTP_PUBLIC void rtp_session_resync(RtpSession *session); 00534 ORTP_PUBLIC void rtp_session_reset(RtpSession *session); 00535 ORTP_PUBLIC void rtp_session_destroy(RtpSession *session); 00536 00537 ORTP_PUBLIC const rtp_stats_t * rtp_session_get_stats(const RtpSession *session); 00538 ORTP_PUBLIC const jitter_stats_t * rtp_session_get_jitter_stats( const RtpSession *session ); 00539 ORTP_PUBLIC void rtp_session_reset_stats(RtpSession *session); 00540 00541 ORTP_PUBLIC void rtp_session_set_data(RtpSession *session, void *data); 00542 ORTP_PUBLIC void *rtp_session_get_data(const RtpSession *session); 00543 00544 ORTP_PUBLIC void rtp_session_set_recv_buf_size(RtpSession *session, int bufsize); 00545 ORTP_PUBLIC void rtp_session_set_rtp_socket_send_buffer_size(RtpSession * session, unsigned int size); 00546 ORTP_PUBLIC void rtp_session_set_rtp_socket_recv_buffer_size(RtpSession * session, unsigned int size); 00547 00548 /* in use with the scheduler to convert a timestamp in scheduler time unit (ms) */ 00549 ORTP_PUBLIC uint32_t rtp_session_ts_to_time(RtpSession *session,uint32_t timestamp); 00550 ORTP_PUBLIC uint32_t rtp_session_time_to_ts(RtpSession *session, int millisecs); 00551 /* this function aims at simulating senders with "imprecise" clocks, resulting in 00552 rtp packets sent with timestamp uncorrelated with the system clock . 00553 This is only availlable to sessions working with the oRTP scheduler */ 00554 ORTP_PUBLIC void rtp_session_make_time_distorsion(RtpSession *session, int milisec); 00555 00556 /*RTCP functions */ 00557 ORTP_PUBLIC void rtp_session_set_source_description(RtpSession *session, const char *cname, 00558 const char *name, const char *email, const char *phone, 00559 const char *loc, const char *tool, const char *note); 00560 ORTP_PUBLIC void rtp_session_add_contributing_source(RtpSession *session, uint32_t csrc, 00561 const char *cname, const char *name, const char *email, const char *phone, 00562 const char *loc, const char *tool, const char *note); 00563 /* DEPRECATED: Use rtp_session_remove_contributing_source instead of rtp_session_remove_contributing_sources */ 00564 #define rtp_session_remove_contributing_sources rtp_session_remove_contributing_source 00565 ORTP_PUBLIC void rtp_session_remove_contributing_source(RtpSession *session, uint32_t csrc); 00566 ORTP_PUBLIC mblk_t* rtp_session_create_rtcp_sdes_packet(RtpSession *session, bool_t full); 00567 00568 ORTP_PUBLIC void rtp_session_get_last_recv_time(RtpSession *session, struct timeval *tv); 00569 ORTP_PUBLIC int rtp_session_bye(RtpSession *session, const char *reason); 00570 00571 ORTP_PUBLIC int rtp_session_get_last_send_error_code(RtpSession *session); 00572 ORTP_PUBLIC void rtp_session_clear_send_error_code(RtpSession *session); 00573 ORTP_PUBLIC int rtp_session_get_last_recv_error_code(RtpSession *session); 00574 ORTP_PUBLIC void rtp_session_clear_recv_error_code(RtpSession *session); 00575 00576 00577 ORTP_PUBLIC float rtp_session_get_round_trip_propagation(RtpSession *session); 00578 00579 00580 ORTP_PUBLIC void rtp_session_enable_network_simulation(RtpSession *session, const OrtpNetworkSimulatorParams *params); 00581 00582 ORTP_PUBLIC void rtp_session_rtcp_set_lost_packet_value( RtpSession *session, const int64_t value ); 00583 ORTP_PUBLIC void rtp_session_rtcp_set_jitter_value(RtpSession *session, const unsigned int value ); 00584 ORTP_PUBLIC void rtp_session_rtcp_set_delay_value(RtpSession *session, const unsigned int value ); 00585 ORTP_PUBLIC mblk_t * rtp_session_pick_with_cseq (RtpSession * session, const uint16_t sequence_number); 00586 00587 00588 ORTP_PUBLIC void rtp_session_send_rtcp_xr_rcvr_rtt(RtpSession *session); 00589 ORTP_PUBLIC void rtp_session_send_rtcp_xr_dlrr(RtpSession *session); 00590 ORTP_PUBLIC void rtp_session_send_rtcp_xr_stat_summary(RtpSession *session); 00591 ORTP_PUBLIC void rtp_session_send_rtcp_xr_voip_metrics(RtpSession *session); 00592 00593 00594 ORTP_PUBLIC bool_t rtp_session_avpf_enabled(RtpSession *session); 00595 ORTP_PUBLIC bool_t rtp_session_avpf_feature_enabled(RtpSession *session, unsigned char feature); 00596 ORTP_PUBLIC uint16_t rtp_session_get_avpf_rr_interval(RtpSession *session); 00597 ORTP_PUBLIC void rtp_session_send_rtcp_fb_pli(RtpSession *session); 00598 ORTP_PUBLIC void rtp_session_send_rtcp_fb_fir(RtpSession *session); 00599 ORTP_PUBLIC void rtp_session_send_rtcp_fb_sli(RtpSession *session, uint16_t first, uint16_t number, uint8_t picture_id); 00600 ORTP_PUBLIC void rtp_session_send_rtcp_fb_rpsi(RtpSession *session, uint8_t *bit_string, uint16_t bit_string_len); 00601 00602 00603 /*private */ 00604 ORTP_PUBLIC void rtp_session_init(RtpSession *session, int mode); 00605 #define rtp_session_set_flag(session,flag) (session)->flags|=(flag) 00606 #define rtp_session_unset_flag(session,flag) (session)->flags&=~(flag) 00607 ORTP_PUBLIC void rtp_session_uninit(RtpSession *session); 00608 ORTP_PUBLIC void rtp_session_dispatch_event(RtpSession *session, OrtpEvent *ev); 00609 00610 ORTP_PUBLIC void rtp_session_set_reuseaddr(RtpSession *session, bool_t yes); 00611 00612 00613 ORTP_PUBLIC int meta_rtp_transport_modifier_inject_packet(const RtpTransport *t, RtpTransportModifier *tpm, mblk_t *msg , int flags); 00625 ORTP_PUBLIC int meta_rtp_transport_modifier_inject_packet_to(const RtpTransport *t, RtpTransportModifier *tpm, mblk_t *msg , int flags,const struct sockaddr *to, socklen_t tolen) ; 00626 00633 ORTP_PUBLIC RtpTransport* meta_rtp_transport_get_endpoint(const RtpTransport *transport); 00640 ORTP_PUBLIC void meta_rtp_transport_set_endpoint(RtpTransport *transport,RtpTransport *endpoint); 00641 00642 ORTP_PUBLIC void meta_rtp_transport_destroy(RtpTransport *tp); 00643 ORTP_PUBLIC void meta_rtp_transport_append_modifier(RtpTransport *tp,RtpTransportModifier *tpm); 00644 #ifdef __cplusplus 00645 } 00646 #endif 00647 00648 #endif