tools/rbspeex/rbspeexenc.c

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