mirror of https://gerrit.osmocom.org/libosmocore
87 lines
2.7 KiB
C
87 lines
2.7 KiB
C
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/*
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* (C) 2016 by Sysmocom s.f.m.c. GmbH
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* All Rights Reserved
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*
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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 Affero General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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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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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <osmocom/core/utils.h>
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#include <osmocom/codec/codec.h>
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const uint8_t sid_update[] = {0x20, 0x44, 0x29, 0xc2, 0x92, 0x91, 0xf4};
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const uint8_t sid_first[] = {0x20, 0x44, 0x00, 0x00, 0x00, 0x00, 0x04};
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#define PAYLOAD_LEN 34
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#define SID_LEN 7
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static const char * cmpr(int a, int b)
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{
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return (a == b) ? "OK" : "BAD";
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}
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static void test_sid_dec(const uint8_t *t, size_t len)
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{
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uint8_t cmr, tmp[SID_LEN];
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enum osmo_amr_type ft;
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enum osmo_amr_quality bfi;
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int8_t sti, cmi;
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memcpy(tmp, t, SID_LEN);
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int rc = osmo_amr_rtp_dec(tmp, len, &cmr, &cmi, &ft, &bfi, &sti);
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printf("[%d] decode RTP %s%s: FT %s, CMR %s, CMI is %d, SID type %s\t",
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rc, osmo_hexdump(tmp, len), cmpr(bfi, AMR_GOOD),
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get_value_string(osmo_amr_type_names, ft),
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get_value_string(osmo_amr_type_names, cmr),
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cmi, sti ? "UPDATE" : "FIRST");
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if (sti == -1)
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printf("FAIL: incompatible STI for SID\n");
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rc = osmo_amr_rtp_enc(tmp, cmr, ft, bfi);
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printf("[%d] encode [%d]\n", rc, memcmp(tmp, t, SID_LEN));
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}
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static void test_amr_rt(uint8_t _cmr, enum osmo_amr_type _ft,
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enum osmo_amr_quality _bfi)
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{
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uint8_t cmr, payload[PAYLOAD_LEN];
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enum osmo_amr_type ft;
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enum osmo_amr_quality bfi;
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int8_t sti, cmi;
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int rc, re = osmo_amr_rtp_enc(payload, _cmr, _ft, _bfi);
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rc = osmo_amr_rtp_dec(payload, PAYLOAD_LEN, &cmr, &cmi, &ft, &bfi, &sti);
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printf("[%d/%d] %s, CMR: %s, FT: %s, BFI: %s, CMI: %d, STI: %d\n", re,
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rc, get_value_string(osmo_amr_type_names, ft),
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cmpr(_cmr, cmr), cmpr(_ft, ft), cmpr(_bfi, bfi), cmi, sti);
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}
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int main(int argc, char **argv)
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{
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printf("AMR RTP payload decoder test:\n");
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test_sid_dec(sid_first, 7);
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test_sid_dec(sid_update, 7);
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test_amr_rt(0, AMR_NO_DATA, AMR_BAD);
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test_amr_rt(0, AMR_NO_DATA, AMR_GOOD);
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test_amr_rt(AMR_12_2, AMR_12_2, AMR_BAD);
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test_amr_rt(AMR_12_2, AMR_12_2, AMR_GOOD);
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test_amr_rt(AMR_7_40, AMR_7_40, AMR_BAD);
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test_amr_rt(AMR_7_40, AMR_7_40, AMR_GOOD);
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return 0;
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}
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