FreeCalypso > hg > gsm-codec-lib
view frtest/decode-r.c @ 261:cfcb3ce9c778
libgsmfr2: implement gsmfr_unpack_to_array()
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 12 Apr 2024 23:29:18 +0000 |
parents | 14b627682458 |
children | cfa3006a66da |
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/* * gsmfr-decode-r is like gsmfr-decode, but writes the decoded PCM * output in our "robe" format instead of WAV. */ #include <stdio.h> #include <stdint.h> #include <stdlib.h> #include <gsm.h> #include "../libgsmfrp/gsm_fr_preproc.h" #include "../libtest/binreader.h" #include "../libtest/robewrite.h" main(argc, argv) char **argv; { FILE *binf, *outf; gsm dec_state; struct gsmfr_preproc_state *pp_state; uint8_t frame[BINFILE_MAX_FRAME]; int16_t pcm[160]; int rc, bfi, taf; 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 = gsm_create(); if (!dec_state) { fprintf(stderr, "gsm_create() failed!\n"); exit(1); } pp_state = gsmfr_preproc_create(); if (!pp_state) { fprintf(stderr, "gsmfr_preproc_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) { bfi = 1; taf = frame[1] & 1; } else if ((frame[0] & 0xF0) == 0xD0) bfi = 0; else { fprintf(stderr, "error: %s is not in FR codec format\n", argv[1]); exit(1); } if (bfi) gsmfr_preproc_bfi(pp_state, taf, frame); else gsmfr_preproc_good_frame(pp_state, frame); gsm_decode(dec_state, frame, pcm); write_pcm_to_robe(outf, pcm); } fclose(outf); exit(0); }