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Diffstat (limited to 'tests/amr/amr_test.c')
| -rw-r--r-- | tests/amr/amr_test.c | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/tests/amr/amr_test.c b/tests/amr/amr_test.c new file mode 100644 index 0000000..fff686c --- /dev/null +++ b/tests/amr/amr_test.c @@ -0,0 +1,239 @@ +/* (C) 2017 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de> + * + * Author: Pau Espin Pedrol <pespin@sysmocom.de> + * + * SPDX-License-Identifier: GPL-2.0+ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <stdio.h> +#include <stdlib.h> +#include <stdbool.h> +#include <unistd.h> +#include <stdint.h> +#include <inttypes.h> +#include <string.h> +#include <signal.h> +#include <arpa/inet.h> +#include <sys/time.h> +#include <osmocom/core/utils.h> + +#include <osmocom/netif/amr.h> + +/* Some octet aligned single-payload AMR frames on different rates */ +char *oa_amr_samples[] = { + "703c22f979890338540179209572624a0f8535871c2f7039cbf926b7e4425b6ef0", + "703c2e671f3b1b0810412d5adae61e2b2a319885c6ced4e909b4eeaa2ea0f0cd80", + "703cf8fc77356c948141686cda34d35220db719e36a359d86b64420dc64b563850", + "60344e300c0e6251342c2ae51fd8a698a945488d16c98922726f3e50", + "60341fc722c7880328a9c280030bc9755c3ef519f80000295323e000", + "60342c338655c00008efba03592419adf62478a79278b3e2d68ab0f0", + "502c98ab841e491ff7a1a555016a32a3c7f913210630", + "502cc5459a0d200e7097c4dfe86ec8d27f1756d776f0", + "502c42b332081813d7e916e7aa5e80d7fde812b8c080", + "40240343e959c79bacd20c77501054880a718db200", + "4024172c53401e39115ceecd12606df5689bdd0ca0", + "4024f871cf48801ec427f0fc3f7318898622062200", + "20141fd4c02667c742b164aef659ffe708", + "2014197e10ead7b250bccbbf3b81887c64", + "2014e959f35fdfe5e9667ffbc088818088", + "100c4e9ba850e30d5d53d04de41e7c", + "100c6c18e7b7fff53aeb055e7d1c54", + "100c1fb967f7f1fdf547bf2e61c060", + "a038ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00fc", /* test pattern */ + "END", +}; + +/* Some bandwith efficient single-payload AMR frames */ +char *bwe_amr_samples[] = { + "f4495c7cda8f80", + "f44aaa6c969780", + "f3d09c20e32da600c025a72e0a9b360386e40f87e19282094adc1a11e397d1d4", + "f3d39a49a09e7a802852e297e8c9246aadf5a45928bfc27177fed8404d97d3b8", + "f3c2155b65131c68682079fab4810911200003b360ae0446000025f11e539dd0", + "f3c381bc7061c9f8507f6029de6115c16e5fa470c243b21b6e35dbb48bd84c00", + "a7bfc03fc03fc03fc03fc03fc03fc03fc03fc03fc03fc03fc03fc03fc03fc03f", /* test pattern */ + "END", +}; + +void dump_bits(uint8_t *buf, int len) +{ + unsigned int i; + if (len <= 0) { + printf("(no data)"); + return; + } + for (i = 0; i < (len * 8); i++) + printf("%u", (buf[i / 8] >> (7 - (i % 8))) & 1); + return; +} + +void osmo_amr_oa_to_bwe_test(void) +{ + uint8_t buf[256]; + unsigned int i = 0; + int len; + int rc; + + printf("\n\n"); + printf("Testing conversion from octet-aligned to bw-efficient:\n"); + + while (1) { + if (strcmp(oa_amr_samples[i], "END") == 0) + return; + printf("\n"); + printf("Sample No.: %i\n", i); + len = strlen(oa_amr_samples[i]); + + len = osmo_hexparse(oa_amr_samples[i], buf, sizeof(buf)); + OSMO_ASSERT(len > 0); + + printf(" octet aligned: %s\n", osmo_hexdump_nospc(buf, len)); + printf(" "); + dump_bits(buf, len); + printf("\n"); + rc = osmo_amr_oa_to_bwe(buf, len); + printf(" bw-efficient: %s\n", osmo_hexdump_nospc(buf, rc)); + printf(" "); + dump_bits(buf, rc); + printf("\n"); + printf(" rc: %i\n", rc); + + if (rc > 0) { + OSMO_ASSERT(rc == len - 1); + OSMO_ASSERT(buf[len - 1] == 0x00); + } + i++; + } +} + +void osmo_amr_bwe_to_oa_test(void) +{ + uint8_t buf[256]; + unsigned int i = 0; + int len; + int rc; + + printf("\n\n"); + printf("Testing conversion from bw-efficient to octet-aligned:\n"); + + while (1) { + if (strcmp(bwe_amr_samples[i], "END") == 0) + return; + printf("\n"); + printf("Sample No.: %i\n", i); + len = strlen(bwe_amr_samples[i]); + + len = osmo_hexparse(bwe_amr_samples[i], buf, sizeof(buf)); + OSMO_ASSERT(len > 0); + + printf(" bw-efficient: %s\n", osmo_hexdump_nospc(buf, len)); + printf(" "); + dump_bits(buf, len); + printf("\n"); + rc = osmo_amr_bwe_to_oa(buf, len, sizeof(buf)); + printf(" octet aligned: %s\n", osmo_hexdump_nospc(buf, rc)); + printf(" "); + dump_bits(buf, rc); + printf("\n"); + printf(" rc: %i\n", rc); + + OSMO_ASSERT(rc == len + 1); + i++; + } +} + +void osmo_amr_oa_to_bwe_and_inverse_test(void) +{ + uint8_t buf[256]; + uint8_t buf_chk[256]; + + unsigned int i = 0; + int len; + int rc; + + printf("\n\n"); + printf + ("Testing conversion from octet-aligned to bw-efficient and inverse:\n"); + + while (1) { + if (strcmp(oa_amr_samples[i], "END") == 0) + return; + printf("Sample No.: %i...\n", i); + len = strlen(oa_amr_samples[i]); + + len = osmo_hexparse(oa_amr_samples[i], buf, sizeof(buf)); + OSMO_ASSERT(len > 0); + memcpy(buf_chk, buf, sizeof(buf)); + + rc = osmo_amr_oa_to_bwe(buf, len); + OSMO_ASSERT(rc > 0); + rc = osmo_amr_bwe_to_oa(buf, rc, sizeof(buf)); + OSMO_ASSERT(memcmp(buf, buf_chk, len) == 0); + i++; + } +} + +void osmo_amr_is_oa_test(void) +{ + uint8_t buf[256]; + unsigned int i; + int len; + bool is_oc; + + printf("\n\n"); + printf("Testing detection of octet-aligned mode payloads:\n"); + + i = 0; + while (1) { + if (strcmp(oa_amr_samples[i], "END") == 0) + break; + printf("Sample No.: %i ==>", i); + len = strlen(oa_amr_samples[i]); + + len = osmo_hexparse(oa_amr_samples[i], buf, sizeof(buf)); + OSMO_ASSERT(len > 0); + + is_oc = osmo_amr_is_oa(buf, len); + if (is_oc) + printf("octet aligned\n"); + else + printf("bandwith efficient\n"); + + i++; + } + + i = 0; + while (1) { + if (strcmp(bwe_amr_samples[i], "END") == 0) + break; + printf("Sample No.: %i ==>", i); + len = strlen(oa_amr_samples[i]); + + len = osmo_hexparse(bwe_amr_samples[i], buf, sizeof(buf)); + OSMO_ASSERT(len > 0); + + is_oc = osmo_amr_is_oa(buf, len); + if (is_oc) + printf("octet aligned\n"); + else + printf("bandwith efficient\n"); + + i++; + } +} + +int main(int argc, char **argv) +{ + osmo_amr_oa_to_bwe_test(); + osmo_amr_bwe_to_oa_test(); + osmo_amr_oa_to_bwe_and_inverse_test(); + osmo_amr_is_oa_test(); + + fprintf(stdout, "OK: Test passed\n"); + return EXIT_SUCCESS; +} |