mdw@git.distorted.org.uk Git - disorder/blob - server/decode-wav.c

   1 /*
   2  * This file is part of DisOrder
   3  * Copyright (C) 2007-2011 Richard Kettlewell
   4  *
   5  * This program is free software: you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation, either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18 /** @file server/decode-wav.c
  19  * @brief General-purpose decoder for use by speaker process
  20  */
  21 #include "decode.h"
  22 #include "wav.h"
  23
  24 /** @brief Sample data callback used by decode_wav() */
  25 static int wav_write(struct wavfile attribute((unused)) *f,
  26                      const char *data,
  27                      size_t nbytes,
  28                      void attribute((unused)) *u) {
  29   if(fwrite(data, 1, nbytes, outputfp) < nbytes)
  30     disorder_fatal(errno, "decoding %s: writing sample data", path);
  31   return 0;
  32 }
  33
  34 /** @brief WAV file decoder */
  35 void decode_wav(void) {
  36   struct wavfile f[1];
  37   int err;
  38
  39   if((err = wav_init(f, path)))
  40     disorder_fatal(err, "opening %s", path);
  41   output_header(f->rate, f->channels, f->bits, f->datasize, ENDIAN_LITTLE);
  42   if((err = wav_data(f, wav_write, 0)))
  43     disorder_fatal(err, "error decoding %s", path);
  44 }
  45
  46 /*
  47 Local Variables:
  48 c-basic-offset:2
  49 comment-column:40
  50 fill-column:79
  51 indent-tabs-mode:nil
  52 End:
  53 */