Tristan Matthews | 0a329cc | 2013-07-17 13:20:14 -0400 | [diff] [blame] | 1 | /* $Id$ */ |
| 2 | /* |
| 3 | * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com) |
| 4 | * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 | */ |
| 20 | #ifndef __PJMEDIA_RTCP_XR_H__ |
| 21 | #define __PJMEDIA_RTCP_XR_H__ |
| 22 | |
| 23 | /** |
| 24 | * @file rtcp_xr.h |
| 25 | * @brief RTCP XR implementation. |
| 26 | */ |
| 27 | |
| 28 | #include <pjmedia/types.h> |
| 29 | #include <pj/math.h> |
| 30 | |
| 31 | |
| 32 | PJ_BEGIN_DECL |
| 33 | |
| 34 | |
| 35 | /** |
| 36 | * @defgroup PJMED_RTCP_XR RTCP Extended Report (XR) - RFC 3611 |
| 37 | * @ingroup PJMEDIA_SESSION |
| 38 | * @brief RTCP XR extension to RTCP session |
| 39 | * @{ |
| 40 | * |
| 41 | * PJMEDIA implements subsets of RTCP XR specification (RFC 3611) to monitor |
| 42 | * the quality of the real-time media (audio/video) transmission. |
| 43 | */ |
| 44 | |
| 45 | /** |
| 46 | * Enumeration of report types of RTCP XR. Useful for user to enable varying |
| 47 | * combinations of RTCP XR report blocks. |
| 48 | */ |
| 49 | typedef enum { |
| 50 | PJMEDIA_RTCP_XR_LOSS_RLE = (1 << 0), |
| 51 | PJMEDIA_RTCP_XR_DUP_RLE = (1 << 1), |
| 52 | PJMEDIA_RTCP_XR_RCPT_TIMES = (1 << 2), |
| 53 | PJMEDIA_RTCP_XR_RR_TIME = (1 << 3), |
| 54 | PJMEDIA_RTCP_XR_DLRR = (1 << 4), |
| 55 | PJMEDIA_RTCP_XR_STATS = (1 << 5), |
| 56 | PJMEDIA_RTCP_XR_VOIP_METRICS = (1 << 6) |
| 57 | } pjmedia_rtcp_xr_type; |
| 58 | |
| 59 | /** |
| 60 | * Enumeration of info need to be updated manually to RTCP XR. Most info |
| 61 | * could be updated automatically each time RTP received. |
| 62 | */ |
| 63 | typedef enum { |
| 64 | PJMEDIA_RTCP_XR_INFO_SIGNAL_LVL = 1, |
| 65 | PJMEDIA_RTCP_XR_INFO_NOISE_LVL = 2, |
| 66 | PJMEDIA_RTCP_XR_INFO_RERL = 3, |
| 67 | PJMEDIA_RTCP_XR_INFO_R_FACTOR = 4, |
| 68 | PJMEDIA_RTCP_XR_INFO_MOS_LQ = 5, |
| 69 | PJMEDIA_RTCP_XR_INFO_MOS_CQ = 6, |
| 70 | PJMEDIA_RTCP_XR_INFO_CONF_PLC = 7, |
| 71 | PJMEDIA_RTCP_XR_INFO_CONF_JBA = 8, |
| 72 | PJMEDIA_RTCP_XR_INFO_CONF_JBR = 9, |
| 73 | PJMEDIA_RTCP_XR_INFO_JB_NOM = 10, |
| 74 | PJMEDIA_RTCP_XR_INFO_JB_MAX = 11, |
| 75 | PJMEDIA_RTCP_XR_INFO_JB_ABS_MAX = 12 |
| 76 | } pjmedia_rtcp_xr_info; |
| 77 | |
| 78 | /** |
| 79 | * Enumeration of PLC types definitions for RTCP XR report. |
| 80 | */ |
| 81 | typedef enum { |
| 82 | PJMEDIA_RTCP_XR_PLC_UNK = 0, |
| 83 | PJMEDIA_RTCP_XR_PLC_DIS = 1, |
| 84 | PJMEDIA_RTCP_XR_PLC_ENH = 2, |
| 85 | PJMEDIA_RTCP_XR_PLC_STD = 3 |
| 86 | } pjmedia_rtcp_xr_plc_type; |
| 87 | |
| 88 | /** |
| 89 | * Enumeration of jitter buffer types definitions for RTCP XR report. |
| 90 | */ |
| 91 | typedef enum { |
| 92 | PJMEDIA_RTCP_XR_JB_UNKNOWN = 0, |
| 93 | PJMEDIA_RTCP_XR_JB_FIXED = 2, |
| 94 | PJMEDIA_RTCP_XR_JB_ADAPTIVE = 3 |
| 95 | } pjmedia_rtcp_xr_jb_type; |
| 96 | |
| 97 | |
| 98 | #pragma pack(1) |
| 99 | |
| 100 | /** |
| 101 | * This type declares RTCP XR Report Header. |
| 102 | */ |
| 103 | typedef struct pjmedia_rtcp_xr_rb_header |
| 104 | { |
| 105 | pj_uint8_t bt; /**< Block type. */ |
| 106 | pj_uint8_t specific; /**< Block specific data. */ |
| 107 | pj_uint16_t length; /**< Block length. */ |
| 108 | } pjmedia_rtcp_xr_rb_header; |
| 109 | |
| 110 | /** |
| 111 | * This type declares RTCP XR Receiver Reference Time Report Block. |
| 112 | */ |
| 113 | typedef struct pjmedia_rtcp_xr_rb_rr_time |
| 114 | { |
| 115 | pjmedia_rtcp_xr_rb_header header; /**< Block header. */ |
| 116 | pj_uint32_t ntp_sec; /**< NTP time, seconds part. */ |
| 117 | pj_uint32_t ntp_frac; /**< NTP time, fractions part. */ |
| 118 | } pjmedia_rtcp_xr_rb_rr_time; |
| 119 | |
| 120 | |
| 121 | /** |
| 122 | * This type declares RTCP XR DLRR Report Sub-block |
| 123 | */ |
| 124 | typedef struct pjmedia_rtcp_xr_rb_dlrr_item |
| 125 | { |
| 126 | pj_uint32_t ssrc; /**< receiver SSRC */ |
| 127 | pj_uint32_t lrr; /**< last receiver report */ |
| 128 | pj_uint32_t dlrr; /**< delay since last receiver |
| 129 | report */ |
| 130 | } pjmedia_rtcp_xr_rb_dlrr_item; |
| 131 | |
| 132 | /** |
| 133 | * This type declares RTCP XR DLRR Report Block |
| 134 | */ |
| 135 | typedef struct pjmedia_rtcp_xr_rb_dlrr |
| 136 | { |
| 137 | pjmedia_rtcp_xr_rb_header header; /**< Block header. */ |
| 138 | pjmedia_rtcp_xr_rb_dlrr_item item; /**< Block contents, |
| 139 | variable length list */ |
| 140 | } pjmedia_rtcp_xr_rb_dlrr; |
| 141 | |
| 142 | /** |
| 143 | * This type declares RTCP XR Statistics Summary Report Block |
| 144 | */ |
| 145 | typedef struct pjmedia_rtcp_xr_rb_stats |
| 146 | { |
| 147 | pjmedia_rtcp_xr_rb_header header; /**< Block header. */ |
| 148 | pj_uint32_t ssrc; /**< Receiver SSRC */ |
| 149 | pj_uint16_t begin_seq; /**< Begin RTP sequence reported */ |
| 150 | pj_uint16_t end_seq; /**< End RTP sequence reported */ |
| 151 | pj_uint32_t lost; /**< Number of packet lost in this |
| 152 | interval */ |
| 153 | pj_uint32_t dup; /**< Number of duplicated packet in |
| 154 | this interval */ |
| 155 | pj_uint32_t jitter_min; /**< Minimum jitter in this interval */ |
| 156 | pj_uint32_t jitter_max; /**< Maximum jitter in this interval */ |
| 157 | pj_uint32_t jitter_mean; /**< Average jitter in this interval */ |
| 158 | pj_uint32_t jitter_dev; /**< Jitter deviation in this |
| 159 | interval */ |
| 160 | pj_uint32_t toh_min:8; /**< Minimum ToH in this interval */ |
| 161 | pj_uint32_t toh_max:8; /**< Maximum ToH in this interval */ |
| 162 | pj_uint32_t toh_mean:8; /**< Average ToH in this interval */ |
| 163 | pj_uint32_t toh_dev:8; /**< ToH deviation in this interval */ |
| 164 | } pjmedia_rtcp_xr_rb_stats; |
| 165 | |
| 166 | /** |
| 167 | * This type declares RTCP XR VoIP Metrics Report Block |
| 168 | */ |
| 169 | typedef struct pjmedia_rtcp_xr_rb_voip_mtc |
| 170 | { |
| 171 | pjmedia_rtcp_xr_rb_header header; /**< Block header. */ |
| 172 | pj_uint32_t ssrc; /**< Receiver SSRC */ |
| 173 | pj_uint8_t loss_rate; /**< Packet loss rate */ |
| 174 | pj_uint8_t discard_rate; /**< Packet discarded rate */ |
| 175 | pj_uint8_t burst_den; /**< Burst density */ |
| 176 | pj_uint8_t gap_den; /**< Gap density */ |
| 177 | pj_uint16_t burst_dur; /**< Burst duration */ |
| 178 | pj_uint16_t gap_dur; /**< Gap duration */ |
| 179 | pj_uint16_t rnd_trip_delay;/**< Round trip delay */ |
| 180 | pj_uint16_t end_sys_delay; /**< End system delay */ |
| 181 | pj_uint8_t signal_lvl; /**< Signal level */ |
| 182 | pj_uint8_t noise_lvl; /**< Noise level */ |
| 183 | pj_uint8_t rerl; /**< Residual Echo Return Loss */ |
| 184 | pj_uint8_t gmin; /**< The gap threshold */ |
| 185 | pj_uint8_t r_factor; /**< Voice quality metric carried |
| 186 | over this RTP session */ |
| 187 | pj_uint8_t ext_r_factor; /**< Voice quality metric carried |
| 188 | outside of this RTP session*/ |
| 189 | pj_uint8_t mos_lq; /**< Mean Opinion Score for |
| 190 | Listening Quality */ |
| 191 | pj_uint8_t mos_cq; /**< Mean Opinion Score for |
| 192 | Conversation Quality */ |
| 193 | pj_uint8_t rx_config; /**< Receiver configuration */ |
| 194 | pj_uint8_t reserved2; /**< Not used */ |
| 195 | pj_uint16_t jb_nom; /**< Current delay by jitter |
| 196 | buffer */ |
| 197 | pj_uint16_t jb_max; /**< Maximum delay by jitter |
| 198 | buffer */ |
| 199 | pj_uint16_t jb_abs_max; /**< Maximum possible delay by |
| 200 | jitter buffer */ |
| 201 | } pjmedia_rtcp_xr_rb_voip_mtc; |
| 202 | |
| 203 | |
| 204 | /** |
| 205 | * Constant of RTCP-XR content size. |
| 206 | */ |
| 207 | #define PJMEDIA_RTCP_XR_BUF_SIZE \ |
| 208 | sizeof(pjmedia_rtcp_xr_rb_rr_time) + \ |
| 209 | sizeof(pjmedia_rtcp_xr_rb_dlrr) + \ |
| 210 | sizeof(pjmedia_rtcp_xr_rb_stats) + \ |
| 211 | sizeof(pjmedia_rtcp_xr_rb_voip_mtc) |
| 212 | |
| 213 | |
| 214 | /** |
| 215 | * This structure declares RTCP XR (Extended Report) packet. |
| 216 | */ |
| 217 | typedef struct pjmedia_rtcp_xr_pkt |
| 218 | { |
| 219 | struct { |
| 220 | #if defined(PJ_IS_BIG_ENDIAN) && PJ_IS_BIG_ENDIAN!=0 |
| 221 | unsigned version:2; /**< packet type */ |
| 222 | unsigned p:1; /**< padding flag */ |
| 223 | unsigned count:5; /**< varies by payload type */ |
| 224 | unsigned pt:8; /**< payload type */ |
| 225 | #else |
| 226 | unsigned count:5; /**< varies by payload type */ |
| 227 | unsigned p:1; /**< padding flag */ |
| 228 | unsigned version:2; /**< packet type */ |
| 229 | unsigned pt:8; /**< payload type */ |
| 230 | #endif |
| 231 | unsigned length:16; /**< packet length */ |
| 232 | pj_uint32_t ssrc; /**< SSRC identification */ |
| 233 | } common; |
| 234 | |
| 235 | pj_int8_t buf[PJMEDIA_RTCP_XR_BUF_SIZE]; |
| 236 | /**< Content buffer */ |
| 237 | } pjmedia_rtcp_xr_pkt; |
| 238 | |
| 239 | #pragma pack() |
| 240 | |
| 241 | |
| 242 | /** |
| 243 | * This structure describes RTCP XR statitic. |
| 244 | */ |
| 245 | typedef struct pjmedia_rtcp_xr_stream_stat |
| 246 | { |
| 247 | struct { |
| 248 | pj_time_val update; /**< Time of last update. */ |
| 249 | |
| 250 | pj_uint32_t begin_seq; /**< Begin # seq of this interval. */ |
| 251 | pj_uint32_t end_seq; /**< End # seq of this interval. */ |
| 252 | unsigned count; /**< Number of packets. */ |
| 253 | |
| 254 | /** |
| 255 | * Flags represent whether the such report is valid/updated |
| 256 | */ |
| 257 | unsigned l:1; /**< Lost flag */ |
| 258 | unsigned d:1; /**< Duplicated flag */ |
| 259 | unsigned j:1; /**< Jitter flag */ |
| 260 | unsigned t:2; /**< TTL or Hop Limit, |
| 261 | 0=none, 1=TTL, 2=HL */ |
| 262 | |
| 263 | unsigned lost; /**< Number of packets lost */ |
| 264 | unsigned dup; /**< Number of duplicated packets */ |
| 265 | pj_math_stat jitter; /**< Jitter statistics (in usec) */ |
| 266 | pj_math_stat toh; /**< TTL of hop limit statistics. */ |
| 267 | } stat_sum; |
| 268 | |
| 269 | struct { |
| 270 | pj_time_val update; /**< Time of last update. */ |
| 271 | |
| 272 | pj_uint8_t loss_rate; /**< Packet loss rate */ |
| 273 | pj_uint8_t discard_rate; /**< Packet discarded rate */ |
| 274 | pj_uint8_t burst_den; /**< Burst density */ |
| 275 | pj_uint8_t gap_den; /**< Gap density */ |
| 276 | pj_uint16_t burst_dur; /**< Burst duration */ |
| 277 | pj_uint16_t gap_dur; /**< Gap duration */ |
| 278 | pj_uint16_t rnd_trip_delay; /**< Round trip delay */ |
| 279 | pj_uint16_t end_sys_delay; /**< End system delay */ |
| 280 | pj_int8_t signal_lvl; /**< Signal level */ |
| 281 | pj_int8_t noise_lvl; /**< Noise level */ |
| 282 | pj_uint8_t rerl; /**< Residual Echo Return Loss */ |
| 283 | pj_uint8_t gmin; /**< The gap threshold */ |
| 284 | pj_uint8_t r_factor; /**< Voice quality metric carried |
| 285 | over this RTP session */ |
| 286 | pj_uint8_t ext_r_factor; /**< Voice quality metric carried |
| 287 | outside of this RTP session*/ |
| 288 | pj_uint8_t mos_lq; /**< Mean Opinion Score for |
| 289 | Listening Quality */ |
| 290 | pj_uint8_t mos_cq; /**< Mean Opinion Score for |
| 291 | Conversation Quality */ |
| 292 | pj_uint8_t rx_config; /**< Receiver configuration */ |
| 293 | pj_uint16_t jb_nom; /**< Current delay by jitter |
| 294 | buffer */ |
| 295 | pj_uint16_t jb_max; /**< Maximum delay by jitter |
| 296 | buffer */ |
| 297 | pj_uint16_t jb_abs_max; /**< Maximum possible delay by |
| 298 | jitter buffer */ |
| 299 | } voip_mtc; |
| 300 | |
| 301 | } pjmedia_rtcp_xr_stream_stat; |
| 302 | |
| 303 | typedef struct pjmedia_rtcp_xr_stat |
| 304 | { |
| 305 | pjmedia_rtcp_xr_stream_stat rx; /**< Decoding direction statistics. */ |
| 306 | pjmedia_rtcp_xr_stream_stat tx; /**< Encoding direction statistics. */ |
| 307 | pj_math_stat rtt; /**< Round-trip delay stat (in usec) |
| 308 | the value is calculated from |
| 309 | receiver side. */ |
| 310 | } pjmedia_rtcp_xr_stat; |
| 311 | |
| 312 | /** |
| 313 | * Forward declaration of RTCP session |
| 314 | */ |
| 315 | struct pjmedia_rtcp_session; |
| 316 | |
| 317 | /** |
| 318 | * RTCP session is used to monitor the RTP session of one endpoint. There |
| 319 | * should only be one RTCP session for a bidirectional RTP streams. |
| 320 | */ |
| 321 | struct pjmedia_rtcp_xr_session |
| 322 | { |
| 323 | char *name; /**< Name identification. */ |
| 324 | pjmedia_rtcp_xr_pkt pkt; /**< Cached RTCP XR packet. */ |
| 325 | |
| 326 | pj_uint32_t rx_lrr; /**< NTP ts in last RR received. */ |
| 327 | pj_timestamp rx_lrr_time;/**< Time when last RR is received. */ |
| 328 | pj_uint32_t rx_last_rr; /**< # pkt received since last |
| 329 | sending RR time. */ |
| 330 | |
| 331 | pjmedia_rtcp_xr_stat stat; /**< RTCP XR statistics. */ |
| 332 | |
| 333 | /* The reference sequence number is an extended sequence number |
| 334 | * that serves as the basis for determining whether a new 16 bit |
| 335 | * sequence number comes earlier or later in the 32 bit sequence |
| 336 | * space. |
| 337 | */ |
| 338 | pj_uint32_t src_ref_seq; |
| 339 | pj_bool_t uninitialized_src_ref_seq; |
| 340 | |
| 341 | /* This structure contains variables needed for calculating |
| 342 | * burst metrics. |
| 343 | */ |
| 344 | struct { |
| 345 | pj_uint32_t pkt; |
| 346 | pj_uint32_t lost; |
| 347 | pj_uint32_t loss_count; |
| 348 | pj_uint32_t discard_count; |
| 349 | pj_uint32_t c11; |
| 350 | pj_uint32_t c13; |
| 351 | pj_uint32_t c14; |
| 352 | pj_uint32_t c22; |
| 353 | pj_uint32_t c23; |
| 354 | pj_uint32_t c33; |
| 355 | } voip_mtc_stat; |
| 356 | |
| 357 | unsigned ptime; /**< Packet time. */ |
| 358 | unsigned frames_per_packet; /**< # frames per packet. */ |
| 359 | |
| 360 | struct pjmedia_rtcp_session *rtcp_session; |
| 361 | /**< Parent/RTCP session. */ |
| 362 | }; |
| 363 | |
| 364 | typedef struct pjmedia_rtcp_xr_session pjmedia_rtcp_xr_session; |
| 365 | |
| 366 | /** |
| 367 | * Build an RTCP XR packet which contains one or more RTCP XR report blocks. |
| 368 | * There are seven report types as defined in RFC 3611. |
| 369 | * |
| 370 | * @param session The RTCP XR session. |
| 371 | * @param rpt_types Report types to be included in the packet, report types |
| 372 | * are defined in pjmedia_rtcp_xr_type, set this to zero |
| 373 | * will make this function build all reports appropriately. |
| 374 | * @param rtcp_pkt Upon return, it will contain pointer to the RTCP XR packet. |
| 375 | * @param len Upon return, it will indicate the size of the generated |
| 376 | * RTCP XR packet. |
| 377 | */ |
| 378 | PJ_DECL(void) pjmedia_rtcp_build_rtcp_xr( pjmedia_rtcp_xr_session *session, |
| 379 | unsigned rpt_types, |
| 380 | void **rtcp_pkt, int *len); |
| 381 | |
| 382 | /** |
| 383 | * Call this function to manually update some info needed by RTCP XR to |
| 384 | * generate report which could not be populated directly when receiving |
| 385 | * RTP. |
| 386 | * |
| 387 | * @param session The RTCP XR session. |
| 388 | * @param info Info type to be updated, @see pjmedia_rtcp_xr_info. |
| 389 | * @param val Value. |
| 390 | */ |
| 391 | PJ_DECL(pj_status_t) pjmedia_rtcp_xr_update_info( |
| 392 | pjmedia_rtcp_xr_session *session, |
| 393 | unsigned info, |
| 394 | pj_int32_t val); |
| 395 | |
| 396 | /* |
| 397 | * Private APIs: |
| 398 | */ |
| 399 | |
| 400 | /** |
| 401 | * This function is called internally by RTCP session when RTCP XR is enabled |
| 402 | * to initialize the RTCP XR session. |
| 403 | * |
| 404 | * @param session RTCP XR session. |
| 405 | * @param r_session RTCP session. |
| 406 | * @param gmin Gmin value (defined in RFC 3611), set to 0 for default (16). |
| 407 | * @param frames_per_packet |
| 408 | Number of frames per packet. |
| 409 | */ |
| 410 | void pjmedia_rtcp_xr_init( pjmedia_rtcp_xr_session *session, |
| 411 | struct pjmedia_rtcp_session *r_session, |
| 412 | pj_uint8_t gmin, |
| 413 | unsigned frames_per_packet); |
| 414 | |
| 415 | /** |
| 416 | * This function is called internally by RTCP session to destroy |
| 417 | * the RTCP XR session. |
| 418 | * |
| 419 | * @param session RTCP XR session. |
| 420 | */ |
| 421 | void pjmedia_rtcp_xr_fini( pjmedia_rtcp_xr_session *session ); |
| 422 | |
| 423 | /** |
| 424 | * This function is called internally by RTCP session when it receives |
| 425 | * incoming RTCP XR packets. |
| 426 | * |
| 427 | * @param session RTCP XR session. |
| 428 | * @param rtcp_pkt The received RTCP XR packet. |
| 429 | * @param size Size of the incoming packet. |
| 430 | */ |
| 431 | void pjmedia_rtcp_xr_rx_rtcp_xr( pjmedia_rtcp_xr_session *session, |
| 432 | const void *rtcp_pkt, |
| 433 | pj_size_t size); |
| 434 | |
| 435 | /** |
| 436 | * This function is called internally by RTCP session whenever an RTP packet |
| 437 | * is received or lost to let the RTCP XR session update its statistics. |
| 438 | * Data passed to this function is a result of analyzation by RTCP and the |
| 439 | * jitter buffer. Whenever some info is available, the value should be zero |
| 440 | * or more (no negative info), otherwise if info is not available the info |
| 441 | * should be -1 so no update will be done for this info in the RTCP XR session. |
| 442 | * |
| 443 | * @param session RTCP XR session. |
| 444 | * @param seq Sequence number of RTP packet. |
| 445 | * @param lost Info if this packet is lost. |
| 446 | * @param dup Info if this packet is a duplication. |
| 447 | * @param discarded Info if this packet is discarded |
| 448 | * (not because of duplication). |
| 449 | * @param jitter Info jitter of this packet. |
| 450 | * @param toh Info Time To Live or Hops Limit of this packet. |
| 451 | * @param toh_ipv4 Set PJ_TRUE if packet is transported over IPv4. |
| 452 | */ |
| 453 | void pjmedia_rtcp_xr_rx_rtp( pjmedia_rtcp_xr_session *session, |
| 454 | unsigned seq, |
| 455 | int lost, |
| 456 | int dup, |
| 457 | int discarded, |
| 458 | int jitter, |
| 459 | int toh, pj_bool_t toh_ipv4); |
| 460 | |
| 461 | /** |
| 462 | * This function is called internally by RTCP session whenever an RTP |
| 463 | * packet is sent to let the RTCP XR session do its internal calculations. |
| 464 | * |
| 465 | * @param session RTCP XR session. |
| 466 | * @param ptsize Size of RTP payload being sent. |
| 467 | */ |
| 468 | void pjmedia_rtcp_xr_tx_rtp( pjmedia_rtcp_xr_session *session, |
| 469 | unsigned ptsize ); |
| 470 | |
| 471 | /** |
| 472 | * @} |
| 473 | */ |
| 474 | |
| 475 | PJ_END_DECL |
| 476 | |
| 477 | |
| 478 | #endif /* __PJMEDIA_RTCP_XR_H__ */ |