FreeCalypso > hg > gsm-codec-lib
view dev/gsmfr-dhf.c @ 467:ad032051166a
doc: AMR-EFR-hybrid-emu new article
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 12 May 2024 23:54:43 +0000 |
parents | 37dc5c84bbe9 |
children |
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/* * This program is meant to be run only once by the developer - it * generates RTP-packed form of the decoder homing frame for GSM-FR, * as specified in more recent versions of GSM 06.10 spec. */ #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 larc[8] = {9, 23, 15, 8, 7, 3, 3, 2}; main(argc, argv) char **argv; { int16_t params[76], *pp; uint8_t frame[33]; unsigned m, n; /* gather params */ bcopy(larc, params, sizeof(int16_t) * 8); pp = params + 8; for (m = 0; m < 4; m++) { *pp++ = 40; *pp++ = 0; *pp++ = 0; *pp++ = 0; for (n = 0; n < 13; n++) { if (m == 3 && n == 4) *pp++ = 3; else *pp++ = 4; } } /* 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); }