| /* |
| * (C) 2016 by Sysmocom s.f.m.c. GmbH |
| * All Rights Reserved |
| * |
| * 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 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 <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include <osmocom/core/utils.h> |
| #include <osmocom/codec/codec.h> |
| |
| const uint8_t sid_update[] = {0x20, 0x44, 0x29, 0xc2, 0x92, 0x91, 0xf4}; |
| const uint8_t sid_first[] = {0x20, 0x44, 0x00, 0x00, 0x00, 0x00, 0x04}; |
| |
| #define PAYLOAD_LEN 34 |
| #define SID_LEN 7 |
| |
| static const char * cmpr(int a, int b) |
| { |
| return (a == b) ? "OK" : "BAD"; |
| } |
| |
| static void test_sid_dec(const uint8_t *t, size_t len) |
| { |
| uint8_t cmr, tmp[SID_LEN]; |
| enum osmo_amr_type ft; |
| enum osmo_amr_quality bfi; |
| int8_t sti, cmi; |
| memcpy(tmp, t, SID_LEN); |
| int rc = osmo_amr_rtp_dec(tmp, len, &cmr, &cmi, &ft, &bfi, &sti); |
| printf("[%d] decode RTP %s%s: FT %s, CMR %s, CMI is %d, SID type %s\t", |
| rc, osmo_hexdump(tmp, len), cmpr(bfi, AMR_GOOD), |
| get_value_string(osmo_amr_type_names, ft), |
| get_value_string(osmo_amr_type_names, cmr), |
| cmi, sti ? "UPDATE" : "FIRST"); |
| if (sti == -1) |
| printf("FAIL: incompatible STI for SID\n"); |
| rc = osmo_amr_rtp_enc(tmp, cmr, ft, bfi); |
| printf("[%d] encode [%d]\n", rc, memcmp(tmp, t, SID_LEN)); |
| } |
| |
| static void test_amr_rt(uint8_t _cmr, enum osmo_amr_type _ft, |
| enum osmo_amr_quality _bfi) |
| { |
| uint8_t cmr, payload[PAYLOAD_LEN]; |
| enum osmo_amr_type ft; |
| enum osmo_amr_quality bfi; |
| int8_t sti, cmi; |
| int rc, re = osmo_amr_rtp_enc(payload, _cmr, _ft, _bfi); |
| rc = osmo_amr_rtp_dec(payload, PAYLOAD_LEN, &cmr, &cmi, &ft, &bfi, &sti); |
| printf("[%d/%d] %s, CMR: %s, FT: %s, BFI: %s, CMI: %d, STI: %d\n", re, |
| rc, get_value_string(osmo_amr_type_names, ft), |
| cmpr(_cmr, cmr), cmpr(_ft, ft), cmpr(_bfi, bfi), cmi, sti); |
| } |
| |
| int main(int argc, char **argv) |
| { |
| printf("AMR RTP payload decoder test:\n"); |
| test_sid_dec(sid_first, 7); |
| test_sid_dec(sid_update, 7); |
| test_amr_rt(0, AMR_NO_DATA, AMR_BAD); |
| test_amr_rt(0, AMR_NO_DATA, AMR_GOOD); |
| test_amr_rt(AMR_12_2, AMR_12_2, AMR_BAD); |
| test_amr_rt(AMR_12_2, AMR_12_2, AMR_GOOD); |
| test_amr_rt(AMR_7_40, AMR_7_40, AMR_BAD); |
| test_amr_rt(AMR_7_40, AMR_7_40, AMR_GOOD); |
| |
| return 0; |
| } |
| |
| |