tools/rbspeex/rbspeexenc.c

   1 /**************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  *
   9  * Copyright (C) 2007 Thom Johansen
  10  *
  11  * This program is free software; you can redistribute it and/or
  12  * modify it under the terms of the GNU General Public License
  13  * as published by the Free Software Foundation; either version 2
  14  * of the License, or (at your option) any later version.
  15  *
  16  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  17  * KIND, either express or implied.
  18  *
  19  ***************************************************************************/
  20
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23 #include <string.h>
  24 #include <stdbool.h>
  25
  26 #include "rbspeex.h"
  27
  28 #define USAGE_TEXT \
  29 "Usage: rbspeexenc [options] infile outfile\n"\
  30 "Options:\n"\
  31 "  -q x   Quality, floating point number in the range [0-10], default 8.0\n"\
  32 "  -c x   Complexity, increases quality for a given bitrate, but encodes\n"\
  33 "         slower, range [0-10], default 3\n"\
  34 "  -n     Enable narrowband mode, will resample input to 8 kHz\n"\
  35 "  -v x   Volume, amplitude multiplier, default 1.0\n\n"\
  36 "rbspeexenc expects a mono 16 bit WAV file as input. Files will be resampled\n"\
  37 "to either 16 kHz by default, or 8 kHz if narrowband mode is enabled.\n"\
  38 "WARNING: This tool will create files that are only usable by Rockbox!\n"
  39
  40
  41 int main(int argc, char **argv)
  42 {
  43     char *inname, *outname;
  44     FILE *fin, *fout;
  45     int i;
  46     int complexity = 3;
  47     float quality = 8.f, volume = 1.0f;
  48     bool narrowband = false;
  49     bool ret;
  50     char errstr[512];
  51
  52     if (argc < 3) {
  53         printf(USAGE_TEXT);
  54         return 1;
  55     }
  56
  57     i = 1;
  58     while (i < argc - 2) {
  59         if (strncmp(argv[i], "-q", 2) == 0)
  60             quality = atof(argv[++i]);
  61         else if (strncmp(argv[i], "-c", 2) == 0)
  62             complexity = atoi(argv[++i]);
  63         else if (strncmp(argv[i], "-v", 2) == 0)
  64             volume = atof(argv[++i]);
  65         else if (strncmp(argv[i], "-n", 2) == 0)
  66             narrowband = true;
  67         else {
  68             printf("Error: unrecognized option '%s'\n", argv[i]);
  69             return 1;
  70         }
  71         ++i;
  72     }
  73     inname = argv[argc - 2];
  74     outname = argv[argc - 1];
  75
  76     if ((fin = fopen(inname, "rb")) == NULL) {
  77         printf("Error: could not open input file\n");
  78         return 1;
  79     }
  80     if ((fout = fopen(outname, "wb")) == NULL) {
  81         printf("Error: could not open output file\n");
  82         return 1;
  83     }
  84
  85     ret = encode_file(fin, fout, quality, complexity, narrowband, volume,
  86                       errstr, sizeof(errstr));
  87     fclose(fin);
  88     fclose(fout);
  89     if (!ret) {
  90         /* Attempt to delete unfinished output */
  91         printf("Error: %s\n", errstr);
  92         remove(outname);
  93         return 1;
  94     }
  95     return 0;
  96 }
  97