FreeCalypso > hg > gsm-codec-lib
view amrtest/encode-r.c @ 449:2af2b5c12268
Library-versions: libtwamr is officially version 1.0.0
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 10 May 2024 01:43:05 +0000 |
parents | 30cff6b60890 |
children |
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/* * twamr-encode-r is a speech encoder utility going from "robe" (raw BE) * input to RFC 4867 storage format (.amr) output. */ #include <stdio.h> #include <stdint.h> #include <stdlib.h> #include <string.h> #include <strings.h> #include <unistd.h> #include "../libtwamr/tw_amr.h" #include "../libtest/roberead.h" main(argc, argv) char **argv; { char *infname, *outfname, *mode_arg; FILE *inf, *outf; struct amr_encoder_state *state; enum Mode mode_val; int16_t pcm[160]; struct amr_param_frame frame; uint8_t out_bytes[AMR_IETF_MAX_PL]; int opt, dtx = 0, vad2 = 0, use_mode_file = 0, rc; unsigned nbytes; extern int optind; while ((opt = getopt(argc, argv, "d2")) != EOF) { switch (opt) { case 'd': dtx = 1; continue; case '2': vad2 = 1; continue; default: usage: fprintf(stderr, "usage: %s [-d] [-2] input.robe mode output.amr\n", argv[0]); exit(1); } } if (argc != optind + 3) goto usage; infname = argv[optind]; mode_arg = argv[optind+1]; outfname = argv[optind+2]; inf = fopen(infname, "r"); if (!inf) { perror(infname); exit(1); } if (!strncmp(mode_arg, "file:", 5)) { open_mode_file(mode_arg + 5); use_mode_file = 1; } else { rc = grok_mode_name(mode_arg, &mode_val); if (rc < 0) { fprintf(stderr, "error: invalid mode argument \"%s\"\n", mode_arg); exit(1); } } outf = fopen(outfname, "w"); if (!outf) { perror(outfname); exit(1); } state = amr_encoder_create(dtx, vad2); if (!state) { perror("amr_encoder_create()"); exit(1); } fwrite(amr_file_header_magic, 1, AMR_IETF_HDR_LEN, outf); for (;;) { rc = robe_get_pcm_block(inf, pcm); if (!rc) break; if (use_mode_file) read_mode_file_line(&mode_val); amr_encode_frame(state, mode_val, pcm, &frame); nbytes = amr_frame_to_ietf(&frame, out_bytes); fwrite(out_bytes, 1, nbytes, outf); } fclose(outf); exit(0); }