include/osmocom/trau/trau_rtp.h


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/* TRAU frame to RTP conversion */

/* (C) 2009,2020 by Harald Welte <laforge@gnumonks.org>
 * All Rights Reserved
 *
 * SPDX-License-Identifier: GPL-2.0+
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#include <osmocom/trau/trau_frame.h>

struct osmo_trau2rtp_state {
	enum osmo_trau_frame_type type;
	struct {
		enum osmo_amr_type last_cmi;
		enum osmo_amr_type last_cmr;
		bool cmi_cmr_phase;
	} amr;
};


int osmo_trau2rtp(uint8_t *out, size_t out_len, const struct osmo_trau_frame *tf,
		  struct osmo_trau2rtp_state *st);

int osmo_rtp2trau(struct osmo_trau_frame *tf, const uint8_t *rtp, size_t rtp_len,
		  struct osmo_trau2rtp_state *st);