FreeCalypso > hg > gsm-codec-lib
view frtest/decode-rb.c @ 463:9208db14b4b9
doc/EFR-library-API: rm reference to old libgsm
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 11 May 2024 20:29:11 +0000 |
parents | e0d42e87da96 |
children |
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/* * gsmfr-decode-rb is a "raw basic" decoder: only the basic GSM 06.10 decoder * is applied (no Rx DTX preprocessor), and the output format is raw BE. */ #include <stdio.h> #include <stdint.h> #include <stdlib.h> #include "../libgsmfr2/tw_gsmfr.h" #include "../libtest/binreader.h" #include "../libtest/robewrite.h" main(argc, argv) char **argv; { FILE *binf, *outf; struct gsmfr_0610_state *dec_state; uint8_t frame[BINFILE_MAX_FRAME]; int16_t pcm[160]; int rc; if (argc != 3) { fprintf(stderr, "usage: %s input.gsm output.robe\n", argv[0]); exit(1); } binf = fopen(argv[1], "r"); if (!binf) { perror(argv[1]); exit(1); } outf = fopen(argv[2], "w"); if (!outf) { perror(argv[2]); exit(1); } dec_state = gsmfr_0610_create(); if (!dec_state) { fprintf(stderr, "gsmfr_0610_create() failed!\n"); exit(1); } for (;;) { rc = binfile_read_frame(binf, frame); if (rc < 0) { fprintf(stderr, "error: garbage in %s\n", argv[1]); exit(1); } if (!rc) break; if (frame[0] == 0xBF) { fprintf(stderr, "error: %s contains disallowed BFI\n", argv[1]); exit(1); } if ((frame[0] & 0xF0) != 0xD0) { fprintf(stderr, "error: %s is not in FR codec format\n", argv[1]); exit(1); } gsmfr_0610_decode_frame(dec_state, frame, pcm); write_pcm_to_robe(outf, pcm); } fclose(outf); exit(0); }