FreeCalypso > hg > gsm-codec-lib
view dev/gsm0611-silence-fr.c @ 406:85e9768d497f
libtwamr: integrate cl_ltp.c
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Mon, 06 May 2024 23:32:59 +0000 |
parents | e4ca04586118 |
children |
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/* * This program is meant to be run only once by the developer - it uses * libgsm function gsm_implode() to transform the idle frame of GSM 06.11 * (3GPP TS 46.011) from the table format given in the spec into * libgsm/RTP format. * * Later update: this program has been reworked to use the local function * in pack_gsmfr_rtp.c instead of gsm_implode(), in order to eliminate * all build dependencies on old libgsm. */ #include <stdio.h> #include <stdint.h> #include <stdlib.h> #include <string.h> #include <strings.h> extern void gsmfr_pack_to_rtp(const int16_t *params, uint8_t *frame); static const int16_t lar_params[8] = {42, 39, 21, 10, 9, 4, 3, 2}; static const int16_t subframe_params[17] = {40, 0, 1, 0, 3, 4, 3, 4, 4, 3, 3, 3, 3, 4, 4, 3, 3}; main(argc, argv) char **argv; { int16_t params[76]; uint8_t frame[33]; unsigned n; /* gather params */ bcopy(lar_params, params, sizeof(int16_t) * 8); bcopy(subframe_params, params + 8, sizeof(int16_t) * 17); bcopy(subframe_params, params + 25, sizeof(int16_t) * 17); bcopy(subframe_params, params + 42, sizeof(int16_t) * 17); bcopy(subframe_params, params + 59, sizeof(int16_t) * 17); /* generate frame */ gsmfr_pack_to_rtp(params, frame); /* print the frame */ for (n = 0; n < 33; n++) { printf("0x%02X,", frame[n]); if (n == 4 || n == 11 || n == 18 || n == 25 || n == 32) putchar('\n'); else putchar(' '); } exit(0); }