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/*
* (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 <stdbool.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], *t2 = NULL;
enum osmo_amr_type ft;
enum osmo_amr_quality bfi;
int8_t sti, cmi;
if (t) {
memcpy(tmp, t, SID_LEN);
t2 = tmp;
}
int rc = osmo_amr_rtp_dec(t2, len, &cmr, &cmi, &ft, &bfi, &sti);
if (rc < 0)
return;
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);
}
uint8_t fr[] = {0xd8, 0xa9, 0xb5, 0x1d, 0xda, 0xa8, 0x82, 0xcc, 0xec, 0x52,
0x29, 0x05, 0xa8, 0xc3, 0xe3, 0x0e, 0xb0, 0x89, 0x7a, 0xee,
0x42, 0xca, 0xc4, 0x97, 0x22, 0xe6, 0x9e, 0xa8, 0xb8, 0xec,
0x52, 0x26, 0xbd};
uint8_t sid_fr[] = {0xd7, 0x27, 0x93, 0xe5, 0xe3, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
uint8_t hr[] = {0x06, 0x46, 0x76, 0xb1, 0x8e, 0x48, 0x9a, 0x2f, 0x5e, 0x4c,
0x22, 0x2b, 0x62, 0x25};
uint8_t sid_hr[] = {0x03, 0x8e, 0xb6, 0xcb, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff};
static void test_sid_xr(uint8_t *t, size_t len, bool hr)
{
printf("%s SID ? %s:: %d\n", hr ? "HR" : "FR", osmo_hexdump(t, len),
hr ? osmo_hr_check_sid(t, len) : osmo_fr_check_sid(t, len));
}
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_sid_dec(NULL, 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);
printf("FR RTP payload SID test:\n");
test_sid_xr(sid_fr, 33, false);
test_sid_xr(fr, 33, false);
printf("HR RTP payload SID test:\n");
test_sid_xr(sid_hr, 14, true);
test_sid_xr(hr, 14, true);
return 0;
}
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