Changeset 3945
- Timestamp:
- Jan 27, 2012 9:12:59 AM (13 years ago)
- Location:
- pjproject/trunk
- Files:
-
- 6 edited
Legend:
- Unmodified
- Added
- Removed
-
pjproject/trunk/pjmedia/include/pjmedia/errno.h
r3901 r3945 172 172 */ 173 173 #define PJMEDIA_SDP_EINPROTO (PJMEDIA_ERRNO_START+36) /* 220036 */ 174 /** 175 * @hideinitializer 176 * Invalid SDP bandwidth info (b=) line. 177 */ 178 #define PJMEDIA_SDP_EINBANDW (PJMEDIA_ERRNO_START+37) /* 220037 */ 174 179 175 180 -
pjproject/trunk/pjmedia/include/pjmedia/sdp.h
r3664 r3945 615 615 } origin; 616 616 617 pj_str_t name; /**< Subject line (s=) */ 618 pjmedia_sdp_conn *conn; /**< Connection line (c=) */ 617 pj_str_t name; /**< Subject line (s=) */ 618 pjmedia_sdp_conn *conn; /**< Connection line (c=) */ 619 unsigned bandw_count; /**< Number of bandwidth info (b=) */ 620 pjmedia_sdp_bandw *bandw[PJMEDIA_MAX_SDP_BANDW]; 621 /**< Bandwidth info array (b=) */ 619 622 620 623 /** Session time (t= line) */ -
pjproject/trunk/pjmedia/src/pjmedia/endpoint.c
r3776 r3945 373 373 pjmedia_sdp_attr *attr; 374 374 unsigned i; 375 unsigned max_bitrate = 0; 375 376 pj_status_t status; 376 377 … … 494 495 m->attr[m->attr_count++] = attr; 495 496 } 497 498 /* Find maximum bitrate in this media */ 499 if (max_bitrate < codec_param.info.max_bps) 500 max_bitrate = codec_param.info.max_bps; 496 501 } 497 502 … … 520 525 #endif 521 526 527 /* Put bandwidth info in media level using bandwidth modifier "TIAS" 528 * (RFC3890). 529 */ 530 if (max_bitrate) { 531 const pj_str_t STR_BANDW_MODIFIER = { "TIAS", 4 }; 532 pjmedia_sdp_bandw *b; 533 534 b = PJ_POOL_ALLOC_T(pool, pjmedia_sdp_bandw); 535 b->modifier = STR_BANDW_MODIFIER; 536 b->value = max_bitrate; 537 m->bandw[m->bandw_count++] = b; 538 } 539 522 540 *p_m = m; 523 541 return PJ_SUCCESS; … … 542 560 pjmedia_sdp_attr *attr; 543 561 unsigned cnt, i; 562 unsigned max_bitrate = 0; 544 563 pj_status_t status; 545 564 … … 569 588 pjmedia_vid_codec_param codec_param; 570 589 pj_str_t *fmt; 590 pjmedia_video_format_detail *vfd; 571 591 572 592 pj_bzero(&rtpmap, sizeof(rtpmap)); … … 661 681 m->attr[m->attr_count++] = attr; 662 682 } 683 684 /* Find maximum bitrate in this media */ 685 vfd = pjmedia_format_get_video_format_detail(&codec_param.enc_fmt, 686 PJ_TRUE); 687 if (vfd && max_bitrate < vfd->max_bps) 688 max_bitrate = vfd->max_bps; 689 } 690 691 /* Put bandwidth info in media level using bandwidth modifier "TIAS" 692 * (RFC3890). 693 */ 694 if (max_bitrate) { 695 const pj_str_t STR_BANDW_MODIFIER = { "TIAS", 4 }; 696 pjmedia_sdp_bandw *b; 697 698 b = PJ_POOL_ALLOC_T(pool, pjmedia_sdp_bandw); 699 b->modifier = STR_BANDW_MODIFIER; 700 b->value = max_bitrate; 701 m->bandw[m->bandw_count++] = b; 663 702 } 664 703 -
pjproject/trunk/pjmedia/src/pjmedia/errno.c
r3901 r3945 67 67 PJ_BUILD_ERR( PJMEDIA_SDP_EINRTCP, "Invalid SDP rtcp attribyte" ), 68 68 PJ_BUILD_ERR( PJMEDIA_SDP_EINPROTO, "Invalid SDP media transport protocol" ), 69 PJ_BUILD_ERR( PJMEDIA_SDP_EINBANDW, "Invalid SDP bandwidth info line" ), 69 70 70 71 /* SDP negotiator errors. */ -
pjproject/trunk/pjmedia/src/pjmedia/sdp.c
r3553 r3945 60 60 static void parse_connection_info(pj_scanner *scanner, pjmedia_sdp_conn *conn, 61 61 parse_context *ctx); 62 static void parse_bandwidth_info(pj_scanner *scanner, pjmedia_sdp_bandw *bandw, 63 parse_context *ctx); 62 64 static pjmedia_sdp_attr *parse_attr(pj_pool_t *pool, pj_scanner *scanner, 63 65 parse_context *ctx); … … 811 813 } 812 814 815 /* print optional bandwidth info. */ 816 for (i=0; i<ses->bandw_count; ++i) { 817 printed = print_bandw(ses->bandw[i], p, end-p); 818 if (printed < 1) { 819 return -1; 820 } 821 p += printed; 822 } 813 823 814 824 /* Time */ … … 987 997 pj_scan_get_until_chr(scanner, "/ \t\r\n", &conn->addr); 988 998 PJ_TODO(PARSE_SDP_CONN_ADDRESS_SUBFIELDS); 999 1000 /* We've got what we're looking for, skip anything until newline */ 1001 pj_scan_skip_line(scanner); 1002 } 1003 1004 static void parse_bandwidth_info(pj_scanner *scanner, pjmedia_sdp_bandw *bandw, 1005 parse_context *ctx) 1006 { 1007 pj_str_t str; 1008 1009 ctx->last_error = PJMEDIA_SDP_EINBANDW; 1010 1011 /* b= */ 1012 pj_scan_advance_n(scanner, 2, SKIP_WS); 1013 1014 /* modifier */ 1015 pj_scan_get_until_ch(scanner, ':', &bandw->modifier); 1016 pj_scan_get_char(scanner); 1017 1018 /* value */ 1019 pj_scan_get_until_chr(scanner, " \t\r\n", &str); 1020 bandw->value = pj_strtoul(&str); 989 1021 990 1022 /* We've got what we're looking for, skip anything until newline */ … … 1181 1213 pjmedia_sdp_attr *attr; 1182 1214 pjmedia_sdp_conn *conn; 1215 pjmedia_sdp_bandw *bandw; 1183 1216 pj_str_t dummy; 1184 1217 int cur_name = 254; … … 1254 1287 } 1255 1288 break; 1289 case 'b': 1290 bandw = PJ_POOL_ZALLOC_T(pool, pjmedia_sdp_bandw); 1291 parse_bandwidth_info(&scanner, bandw, &ctx); 1292 if (media) { 1293 media->bandw[media->bandw_count++] = bandw; 1294 } else { 1295 session->bandw[session->bandw_count++] = bandw; 1296 } 1297 break; 1256 1298 default: 1257 1299 if (cur_name >= 'a' && cur_name <= 'z') … … 1333 1375 } 1334 1376 1377 /* Duplicate bandwidth info */ 1378 sess->bandw_count = rhs->bandw_count; 1379 for (i=0; i<rhs->bandw_count; ++i) { 1380 sess->bandw[i] = pjmedia_sdp_bandw_clone(pool, rhs->bandw[i]); 1381 } 1382 1335 1383 /* Clone time line. */ 1336 1384 sess->time.start = rhs->time.start; -
pjproject/trunk/pjsip/src/pjsua-lib/pjsua_media.c
r3938 r3945 1939 1939 pjmedia_sdp_neg_state sdp_neg_state = PJMEDIA_SDP_NEG_STATE_NULL; 1940 1940 unsigned mi; 1941 unsigned tot_bandw_tias = 0; 1941 1942 pj_status_t status; 1942 1943 … … 2012 2013 pjmedia_sdp_media *m = NULL; 2013 2014 pjmedia_transport_info tpinfo; 2015 unsigned i; 2014 2016 2015 2017 if (rem_sdp && mi >= rem_sdp->media_count) { … … 2109 2111 sdp->conn = pjmedia_sdp_conn_clone(pool, m->conn); 2110 2112 } 2113 2114 2115 /* Find media bandwidth info */ 2116 for (i = 0; i < m->bandw_count; ++i) { 2117 const pj_str_t STR_BANDW_MODIFIER_TIAS = { "TIAS", 4 }; 2118 if (!pj_stricmp(&m->bandw[i]->modifier, &STR_BANDW_MODIFIER_TIAS)) 2119 { 2120 tot_bandw_tias += m->bandw[i]->value; 2121 break; 2122 } 2123 } 2111 2124 } 2112 2125 … … 2133 2146 pjmedia_sdp_attr_add(&sdp->attr_count, sdp->attr, a); 2134 2147 2148 } 2149 2150 2151 /* Add bandwidth info in session level using bandwidth modifier "AS". */ 2152 if (tot_bandw_tias) { 2153 unsigned bandw; 2154 const pj_str_t STR_BANDW_MODIFIER_AS = { "AS", 2 }; 2155 pjmedia_sdp_bandw *b; 2156 2157 /* AS bandwidth = RTP bitrate + RTCP bitrate. 2158 * RTP bitrate = payload bitrate (total TIAS) + overheads (~16kbps). 2159 * RTCP bitrate = est. 5% of RTP bitrate. 2160 * Note that AS bandwidth is in kbps. 2161 */ 2162 bandw = tot_bandw_tias + 16000; 2163 bandw += bandw * 5 / 100; 2164 b = PJ_POOL_ALLOC_T(pool, pjmedia_sdp_bandw); 2165 b->modifier = STR_BANDW_MODIFIER_AS; 2166 b->value = bandw / 1000; 2167 sdp->bandw[sdp->bandw_count++] = b; 2135 2168 } 2136 2169
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