FreeCalypso > hg > gsm-codec-lib
view hrutil/read-dec.c @ 519:6f8abfe253a4 default tip
gsmhr-dec-craft: works after bugfix
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 01 Sep 2024 20:00:01 +0000 |
parents | 2d703e1e9107 |
children |
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/* * In this module we implement the utility function for reading ETSI * GSM-HR *.dec files in either LE or BE format. */ #include <stdio.h> #include <stdint.h> #include <stdlib.h> #include <string.h> #include <strings.h> #include "../libgsmhr1/tw_gsmhr.h" read_dec_frame(inf, big_endian, params, filename_for_errs, frame_no) FILE *inf; int16_t *params; char *filename_for_errs; unsigned frame_no; { uint8_t file_bytes[GSMHR_NUM_PARAMS_DEC * 2], *sp; int cc; unsigned n; uint16_t val; cc = fread(file_bytes, 2, GSMHR_NUM_PARAMS_DEC, inf); if (cc == 0) return 0; if (cc != GSMHR_NUM_PARAMS_DEC) { fprintf(stderr, "error: short read from %s\n", filename_for_errs); exit(1); } sp = file_bytes; for (n = 0; n < GSMHR_NUM_PARAMS_DEC; n++) { if (big_endian) val = ((uint16_t) sp[0] << 8) | ((uint16_t) sp[1]); else val = ((uint16_t) sp[1] << 8) | ((uint16_t) sp[0]); params[n] = val; sp += 2; } if (gsmhr_check_decoder_params(params) < 0) { fprintf(stderr, "error in %s frame #%u: wrong format or wrong endian\n", filename_for_errs, frame_no); exit(1); } return 1; }