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/* $Id: g7221_sdp_match.c 3911 2011-12-15 06:45:23Z nanang $ */
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* Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
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* Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#include <pjmedia-codec/g7221_sdp_match.h>
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#include <pjmedia/errno.h>
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#include <pj/string.h>
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#define GET_FMTP_IVAL_BASE(ival, base, fmtp, param, default_val) \
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p = pj_stristr(&fmtp.fmt_param, ¶m); \
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pj_strset(&s, p + param.slen, fmtp.fmt_param.slen - \
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(p - fmtp.fmt_param.ptr) - param.slen); \
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ival = pj_strtoul2(&s, NULL, base); \
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#define GET_FMTP_IVAL(ival, fmtp, param, default_val) \
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GET_FMTP_IVAL_BASE(ival, 10, fmtp, param, default_val)
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PJ_DEF(pj_status_t) pjmedia_codec_g7221_match_sdp(pj_pool_t *pool,
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pjmedia_sdp_media *offer,
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pjmedia_sdp_media *answer,
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const pjmedia_sdp_attr *attr_ans;
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const pjmedia_sdp_attr *attr_ofr;
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pjmedia_sdp_fmtp fmtp;
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unsigned a_bitrate, o_bitrate;
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const pj_str_t bitrate = {"bitrate=", 8};
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PJ_UNUSED_ARG(option);
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attr_ofr = pjmedia_sdp_media_find_attr2(offer, "fmtp",
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&offer->desc.fmt[o_fmt_idx]);
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return PJMEDIA_SDP_EINFMTP;
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status = pjmedia_sdp_attr_get_fmtp(attr_ofr, &fmtp);
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if (status != PJ_SUCCESS)
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GET_FMTP_IVAL(o_bitrate, fmtp, bitrate, 0);
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attr_ans = pjmedia_sdp_media_find_attr2(answer, "fmtp",
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&answer->desc.fmt[a_fmt_idx]);
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return PJMEDIA_SDP_EINFMTP;
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status = pjmedia_sdp_attr_get_fmtp(attr_ans, &fmtp);
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if (status != PJ_SUCCESS)
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GET_FMTP_IVAL(a_bitrate, fmtp, bitrate, 0);
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/* Compare bitrate in answer and offer. */
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if (a_bitrate != o_bitrate)
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return PJMEDIA_SDP_EFORMATNOTEQUAL;