FreeCalypso > hg > gsm-codec-lib
view miscutil/gsmrec-dump.c @ 107:41f1ae68d253
amr2efr & efr2amr cosmetic: cleaner approach to bit reshuffling
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 27 Nov 2022 21:02:07 +0000 |
parents | edd2e20e7090 |
children | a5ffec18e4cd |
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/* * This program reads a binary file in our extended-libgsm format * and dumps all frames in human-readable form. */ #include <stdio.h> #include <stdint.h> #include <stdlib.h> #include <gsm.h> #include "../libgsmefr/gsm_efr.h" #include "../libtest/binreader.h" main(argc, argv) char **argv; { FILE *binf; gsm dummy_state; unsigned frame_index; uint8_t frame[BINFILE_MAX_FRAME]; gsm_signal params[76]; int rc, i, j, n; if (argc != 2) { fprintf(stderr, "usage: %s bin-stream-file\n", argv[0]); exit(1); } binf = fopen(argv[1], "r"); if (!binf) { perror(argv[1]); exit(1); } dummy_state = gsm_create(); if (!dummy_state) { fprintf(stderr, "gsm_create() failed!\n"); exit(1); } for (frame_index = 0; ; frame_index++) { rc = binfile_read_frame(binf, frame); if (rc < 0) { fprintf(stderr, "error: garbage in %s\n", argv[1]); exit(1); } if (!rc) break; printf("#%u: ", frame_index); switch (frame[0] & 0xF0) { case 0xB0: printf("BFI TAF=%u\n", frame[1] & 1); break; case 0xC0: printf("EFR SID=%d LPC", EFR_sid_classify(frame)); EFR_frame2params(frame, params); n = 0; for (i = 0; i < 5; i++) printf(" %u", params[n++]); putchar('\n'); for (i = 0; i < 4; i++) { putchar(' '); for (j = 0; j < 13; j++) printf(" %u", params[n++]); putchar('\n'); } break; case 0xD0: fputs("FR", stdout); gsm_explode(dummy_state, frame, params); n = 0; for (i = 0; i < 8; i++) printf(" %u", params[n++]); putchar('\n'); for (i = 0; i < 4; i++) { putchar(' '); for (j = 0; j < 17; j++) printf(" %u", params[n++]); putchar('\n'); } break; } } exit(0); }