vorbis-tools-1.2.0/ogg123/format.c

   1 /********************************************************************
   2  *                                                                  *
   3  * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE.   *
   4  * USE, DISTRIBUTION AND REPRODUCTION OF THIS SOURCE IS GOVERNED BY *
   5  * THE GNU PUBLIC LICENSE 2, WHICH IS INCLUDED WITH THIS SOURCE.    *
   6  * PLEASE READ THESE TERMS BEFORE DISTRIBUTING.                     *
   7  *                                                                  *
   8  * THE Ogg123 SOURCE CODE IS (C) COPYRIGHT 2000-2001                *
   9  * by Stan Seibert <volsung@xiph.org> AND OTHER CONTRIBUTORS        *
  10  * http://www.xiph.org/                                             *
  11  *                                                                  *
  12  ********************************************************************
  13
  14  last mod: $Id: format.c,v 1.5 2003/01/12 20:19:22 volsung Exp $
  15
  16  ********************************************************************/
  17
  18 #ifdef HAVE_CONFIG_H
  19 #include "config.h"
  20 #endif
  21
  22 #include <stdio.h>
  23 #include <string.h>
  24
  25 #include "transport.h"
  26 #include "format.h"
  27 #include "i18n.h"
  28
  29 extern format_t oggvorbis_format;
  30 extern format_t speex_format;
  31
  32 #ifdef HAVE_LIBFLAC
  33 extern format_t flac_format;
  34 extern format_t oggflac_format;
  35 #endif
  36
  37 #ifdef HAVE_LIBSPEEX
  38 extern format_t speex_format;
  39 #endif
  40
  41 format_t *formats[] = {
  42 #ifdef HAVE_LIBFLAC
  43                         &flac_format,
  44                         &oggflac_format,
  45 #endif
  46 #ifdef HAVE_LIBSPEEX
  47                         &speex_format,
  48 #endif
  49                         &oggvorbis_format,
  50                         NULL };
  51
  52
  53 format_t *get_format_by_name (char *name)
  54 {
  55   int i = 0;
  56
  57   while (formats[i] != NULL && strcmp(name, formats[i]->name) != 0)
  58     i++;
  59
  60   return formats[i];
  61 }
  62
  63
  64 format_t *select_format (data_source_t *source)
  65 {
  66   int i = 0;
  67
  68   while (formats[i] != NULL && !formats[i]->can_decode(source))
  69     i++;
  70
  71   return formats[i];
  72 }
  73
  74
  75 decoder_stats_t *malloc_decoder_stats (decoder_stats_t *to_copy)
  76 {
  77   decoder_stats_t *new_stats;
  78
  79   new_stats = malloc(sizeof(decoder_stats_t));
  80
  81   if (new_stats == NULL) {
  82     fprintf(stderr, _("Error: Could not allocate memory in malloc_decoder_stats()\n"));
  83     exit(1);
  84   }
  85
  86   *new_stats = *to_copy;  /* Copy the data */
  87
  88   return new_stats;
  89 }