diff options
Diffstat (limited to 'tests/codec/codec_test.c')
| -rw-r--r-- | tests/codec/codec_test.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/tests/codec/codec_test.c b/tests/codec/codec_test.c new file mode 100644 index 00000000..4905dd39 --- /dev/null +++ b/tests/codec/codec_test.c @@ -0,0 +1,86 @@ +/* + * (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; +} + + |