Max | 92db150 | 2016-05-25 18:13:51 +0200 | [diff] [blame^] | 1 | /* |
| 2 | * (C) 2016 by Sysmocom s.f.m.c. GmbH |
| 3 | * All Rights Reserved |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU Affero General Public License as published by |
| 7 | * the Free Software Foundation; either version 3 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU Affero General Public License |
| 16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 17 | * |
| 18 | */ |
| 19 | |
| 20 | #include <stdio.h> |
| 21 | #include <stdlib.h> |
| 22 | #include <string.h> |
| 23 | |
| 24 | #include <osmocom/core/utils.h> |
| 25 | #include <osmocom/codec/codec.h> |
| 26 | |
| 27 | const uint8_t sid_update[] = {0x20, 0x44, 0x29, 0xc2, 0x92, 0x91, 0xf4}; |
| 28 | const uint8_t sid_first[] = {0x20, 0x44, 0x00, 0x00, 0x00, 0x00, 0x04}; |
| 29 | |
| 30 | #define PAYLOAD_LEN 34 |
| 31 | #define SID_LEN 7 |
| 32 | |
| 33 | static const char * cmpr(int a, int b) |
| 34 | { |
| 35 | return (a == b) ? "OK" : "BAD"; |
| 36 | } |
| 37 | |
| 38 | static void test_sid_dec(const uint8_t *t, size_t len) |
| 39 | { |
| 40 | uint8_t cmr, tmp[SID_LEN]; |
| 41 | enum osmo_amr_type ft; |
| 42 | enum osmo_amr_quality bfi; |
| 43 | int8_t sti, cmi; |
| 44 | memcpy(tmp, t, SID_LEN); |
| 45 | int rc = osmo_amr_rtp_dec(tmp, len, &cmr, &cmi, &ft, &bfi, &sti); |
| 46 | printf("[%d] decode RTP %s%s: FT %s, CMR %s, CMI is %d, SID type %s\t", |
| 47 | rc, osmo_hexdump(tmp, len), cmpr(bfi, AMR_GOOD), |
| 48 | get_value_string(osmo_amr_type_names, ft), |
| 49 | get_value_string(osmo_amr_type_names, cmr), |
| 50 | cmi, sti ? "UPDATE" : "FIRST"); |
| 51 | if (sti == -1) |
| 52 | printf("FAIL: incompatible STI for SID\n"); |
| 53 | rc = osmo_amr_rtp_enc(tmp, cmr, ft, bfi); |
| 54 | printf("[%d] encode [%d]\n", rc, memcmp(tmp, t, SID_LEN)); |
| 55 | } |
| 56 | |
| 57 | static void test_amr_rt(uint8_t _cmr, enum osmo_amr_type _ft, |
| 58 | enum osmo_amr_quality _bfi) |
| 59 | { |
| 60 | uint8_t cmr, payload[PAYLOAD_LEN]; |
| 61 | enum osmo_amr_type ft; |
| 62 | enum osmo_amr_quality bfi; |
| 63 | int8_t sti, cmi; |
| 64 | int rc, re = osmo_amr_rtp_enc(payload, _cmr, _ft, _bfi); |
| 65 | rc = osmo_amr_rtp_dec(payload, PAYLOAD_LEN, &cmr, &cmi, &ft, &bfi, &sti); |
| 66 | printf("[%d/%d] %s, CMR: %s, FT: %s, BFI: %s, CMI: %d, STI: %d\n", re, |
| 67 | rc, get_value_string(osmo_amr_type_names, ft), |
| 68 | cmpr(_cmr, cmr), cmpr(_ft, ft), cmpr(_bfi, bfi), cmi, sti); |
| 69 | } |
| 70 | |
| 71 | int main(int argc, char **argv) |
| 72 | { |
| 73 | printf("AMR RTP payload decoder test:\n"); |
| 74 | test_sid_dec(sid_first, 7); |
| 75 | test_sid_dec(sid_update, 7); |
| 76 | test_amr_rt(0, AMR_NO_DATA, AMR_BAD); |
| 77 | test_amr_rt(0, AMR_NO_DATA, AMR_GOOD); |
| 78 | test_amr_rt(AMR_12_2, AMR_12_2, AMR_BAD); |
| 79 | test_amr_rt(AMR_12_2, AMR_12_2, AMR_GOOD); |
| 80 | test_amr_rt(AMR_7_40, AMR_7_40, AMR_BAD); |
| 81 | test_amr_rt(AMR_7_40, AMR_7_40, AMR_GOOD); |
| 82 | |
| 83 | return 0; |
| 84 | } |
| 85 | |
| 86 | |