src/inputPlugin.c

   1 /* the Music Player Daemon (MPD)
   2  * Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
   3  * This project's homepage is: http://www.musicpd.org
   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 2 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  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18
  19 #include "inputPlugin.h"
  20
  21 #include "list.h"
  22 #include "myfprintf.h"
  23
  24 #include <stdlib.h>
  25 #include <string.h>
  26
  27 static List *inputPlugin_list;
  28
  29 void loadInputPlugin(InputPlugin * inputPlugin)
  30 {
  31         if (!inputPlugin)
  32                 return;
  33         if (!inputPlugin->name)
  34                 return;
  35
  36         if (inputPlugin->initFunc && inputPlugin->initFunc() < 0)
  37                 return;
  38
  39         insertInList(inputPlugin_list, inputPlugin->name, (void *)inputPlugin);
  40 }
  41
  42 void unloadInputPlugin(InputPlugin * inputPlugin)
  43 {
  44         if (inputPlugin->finishFunc)
  45                 inputPlugin->finishFunc();
  46         deleteFromList(inputPlugin_list, inputPlugin->name);
  47 }
  48
  49 static int stringFoundInStringArray(char **array, char *suffix)
  50 {
  51         while (array && *array) {
  52                 if (strcasecmp(*array, suffix) == 0)
  53                         return 1;
  54                 array++;
  55         }
  56
  57         return 0;
  58 }
  59
  60 InputPlugin *getInputPluginFromSuffix(char *suffix, unsigned int next)
  61 {
  62         static ListNode *pos;
  63         ListNode *node;
  64         InputPlugin *plugin;
  65
  66         if (suffix == NULL)
  67                 return NULL;
  68
  69         if (next) {
  70                 if (pos)
  71                         node = pos;
  72                 else
  73                         return NULL;
  74         } else
  75                 node = inputPlugin_list->firstNode;
  76
  77         while (node != NULL) {
  78                 plugin = node->data;
  79                 if (stringFoundInStringArray(plugin->suffixes, suffix)) {
  80                         pos = node->nextNode;
  81                         return plugin;
  82                 }
  83                 node = node->nextNode;
  84         }
  85
  86         return NULL;
  87 }
  88
  89 InputPlugin *getInputPluginFromMimeType(char *mimeType, unsigned int next)
  90 {
  91         static ListNode *pos;
  92         ListNode *node;
  93         InputPlugin *plugin;
  94
  95         if (mimeType == NULL)
  96                 return NULL;
  97
  98         node = (next && pos) ? pos : inputPlugin_list->firstNode;
  99
 100         while (node != NULL) {
 101                 plugin = node->data;
 102                 if (stringFoundInStringArray(plugin->mimeTypes, mimeType)) {
 103                         pos = node->nextNode;
 104                         return plugin;
 105                 }
 106                 node = node->nextNode;
 107         }
 108
 109         return NULL;
 110 }
 111
 112 InputPlugin *getInputPluginFromName(char *name)
 113 {
 114         void *plugin = NULL;
 115
 116         findInList(inputPlugin_list, name, &plugin);
 117
 118         return (InputPlugin *) plugin;
 119 }
 120
 121 void printAllInputPluginSuffixes(FILE * fp)
 122 {
 123         ListNode *node = inputPlugin_list->firstNode;
 124         InputPlugin *plugin;
 125         char **suffixes;
 126
 127         while (node) {
 128                 plugin = (InputPlugin *) node->data;
 129                 suffixes = plugin->suffixes;
 130                 while (suffixes && *suffixes) {
 131                         fprintf(fp, "%s ", *suffixes);
 132                         suffixes++;
 133                 }
 134                 node = node->nextNode;
 135         }
 136         fprintf(fp, "\n");
 137         fflush(fp);
 138 }
 139
 140 void initInputPlugins(void)
 141 {
 142         inputPlugin_list = makeList(NULL, 1);
 143
 144         /* load plugins here */
 145         loadInputPlugin(&mp3Plugin);
 146         loadInputPlugin(&oggvorbisPlugin);
 147         loadInputPlugin(&oggflacPlugin);
 148         loadInputPlugin(&flacPlugin);
 149         loadInputPlugin(&audiofilePlugin);
 150         loadInputPlugin(&mp4Plugin);
 151         loadInputPlugin(&aacPlugin);
 152         loadInputPlugin(&mpcPlugin);
 153         loadInputPlugin(&wavpackPlugin);
 154         loadInputPlugin(&modPlugin);
 155 }
 156
 157 void finishInputPlugins(void)
 158 {
 159         freeList(inputPlugin_list);
 160 }