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/* Filter/overlay codec and CSD bearer service selections for voice calls/CSD,
* across MS, RAN and CN limitations
*
* (C) 2023 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
* All Rights Reserved
*
* Author: Oliver Smith
*
* SPDX-License-Identifier: AGPL-3.0+
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <osmocom/msc/transaction_cc.h>
void trans_cc_filter_init(struct gsm_trans *trans)
{
trans->cc.codecs = (struct codec_filter){};
}
void trans_cc_filter_set_ms_from_bc(struct gsm_trans *trans, const struct gsm_mncc_bearer_cap *bcap)
{
trans->cc.codecs.ms = (struct sdp_audio_codecs){0};
if (!bcap)
return;
switch (bcap->transfer) {
case GSM48_BCAP_ITCAP_SPEECH:
sdp_audio_codecs_from_bearer_cap(&trans->cc.codecs.ms, bcap);
break;
default:
LOG_TRANS(trans, LOGL_ERROR, "Handling of information transfer capability %d not implemented\n",
bcap->transfer);
break;
}
}
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