FreeCalypso > hg > vband-misc
view pcmu2efr/comb-diff.c @ 55:f27bc1e17311
fr-sid/goodsp-frame41.gsmx: starting point
This 33-byte binary file contains frame #41 from good_sp.cod
from GSM 06.32 test sequence set, converted from ETSI *.cod format
into our gsmx format. This frame is an example of a real FRv1 SID.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Thu, 22 Aug 2024 05:00:08 +0000 |
parents | 2628a34fe75b |
children |
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/* * This program computes 160 possible EFR encoder outputs using standard EFR, * then 120 possible outputs using "simple" AMR-EFR, then does a diff * among them, seeking to verify that they are all distinct. */ #include <stdio.h> #include <stdint.h> #include <stdlib.h> #include <string.h> #include <strings.h> extern uint8_t standard_efr[160][31]; extern uint8_t amr_efr[160][31]; main(argc, argv) char **argv; { uint8_t combine[320][31]; unsigned m, n; generate_linear_inputs(); generate_std_efr(); generate_amr_efr(); bcopy(standard_efr, combine, 160*31); bcopy(amr_efr, combine + 160, 160*31); for (m = 0; m < 319; m++) { for (n = m + 1; n < 320; n++) { if (!memcmp(combine[m], combine[n], 31)) printf("Bad: sequences #%u and #%u are equal\n", m, n); } } exit(0); }