3 * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
4 * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
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.
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.
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
20 #include <pjmedia-codec/g7221_sdp_match.h>
21 #include <pjmedia/errno.h>
23 #include <pj/string.h>
26 #define GET_FMTP_IVAL_BASE(ival, base, fmtp, param, default_val) \
30 p = pj_stristr(&fmtp.fmt_param, ¶m); \
35 pj_strset(&s, p + param.slen, fmtp.fmt_param.slen - \
36 (p - fmtp.fmt_param.ptr) - param.slen); \
37 ival = pj_strtoul2(&s, NULL, base); \
40 #define GET_FMTP_IVAL(ival, fmtp, param, default_val) \
41 GET_FMTP_IVAL_BASE(ival, 10, fmtp, param, default_val)
45 PJ_DEF(pj_status_t) pjmedia_codec_g7221_match_sdp(pj_pool_t *pool,
46 pjmedia_sdp_media *offer,
48 pjmedia_sdp_media *answer,
52 const pjmedia_sdp_attr *attr_ans;
53 const pjmedia_sdp_attr *attr_ofr;
54 pjmedia_sdp_fmtp fmtp;
55 unsigned a_bitrate, o_bitrate;
56 const pj_str_t bitrate = {"bitrate=", 8};
60 PJ_UNUSED_ARG(option);
63 attr_ofr = pjmedia_sdp_media_find_attr2(offer, "fmtp",
64 &offer->desc.fmt[o_fmt_idx]);
66 return PJMEDIA_SDP_EINFMTP;
68 status = pjmedia_sdp_attr_get_fmtp(attr_ofr, &fmtp);
69 if (status != PJ_SUCCESS)
72 GET_FMTP_IVAL(o_bitrate, fmtp, bitrate, 0);
75 attr_ans = pjmedia_sdp_media_find_attr2(answer, "fmtp",
76 &answer->desc.fmt[a_fmt_idx]);
78 return PJMEDIA_SDP_EINFMTP;
80 status = pjmedia_sdp_attr_get_fmtp(attr_ans, &fmtp);
81 if (status != PJ_SUCCESS)
84 GET_FMTP_IVAL(a_bitrate, fmtp, bitrate, 0);
86 /* Compare bitrate in answer and offer. */
87 if (a_bitrate != o_bitrate)
88 return PJMEDIA_SDP_EFORMATNOTEQUAL;