Filters/FilterTotem.cs

   1 //
   2 // FilterTotem.cs
   3 // based on FilterMPlayerVideo.cs
   4 // Copyright (C) 2006 Alexander Macdonald <alex@alexmac.cc>
   5 //
   6 // Copyright (C) 2006 Bastien Nocera <hadess@hadess.net>
   7
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining a
  10 // copy of this software and associated documentation files (the "Software"),
  11 // to deal in the Software without restriction, including without limitation
  12 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
  13 // and/or sell copies of the Software, and to permit persons to whom the
  14 // Software is furnished to do so, subject to the following conditions:
  15 //
  16 // The above copyright notice and this permission notice shall be included in
  17 // all copies or substantial portions of the Software.
  18 //
  19 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  20 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  22 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  23 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  24 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  25 // DEALINGS IN THE SOFTWARE.
  26 //
  27
  28 using System;
  29 using System.IO;
  30 using System.Diagnostics;
  31 using System.Globalization;
  32
  33 using Beagle.Util;
  34 using Beagle.Daemon;
  35
  36 namespace Beagle.Filters {
  37
  38         public class FilterTotem : Beagle.Daemon.Filter {
  39
  40                 static bool Debug = false;
  41
  42                 public FilterTotem ()
  43                 {
  44                         // Get the list of mime-types from the totem-video-indexer
  45
  46                         SafeProcess pc = new SafeProcess ();
  47                         pc.Arguments = new string [] { "totem-video-indexer", "--mimetype" };
  48                         pc.RedirectStandardOutput = true;
  49                         pc.RedirectStandardError = true;
  50
  51                         try {
  52                                 pc.Start ();
  53                         } catch (SafeProcessException e) {
  54                                 if (Debug)
  55                                         Log.Debug (e.Message);
  56
  57                                 return;
  58                         }
  59
  60                         StreamReader pout = new StreamReader (pc.StandardOutput);
  61                         string str;
  62
  63                         while ((str = pout.ReadLine ()) != null) {
  64                                 AddSupportedFlavor (FilterFlavor.NewFromMimeType (str));
  65
  66                                 if (Debug)
  67                                         Log.Debug ("Added {0} as a supported mime type for Totem video filter", str);
  68                         }
  69
  70                         pout.Close ();
  71                         pc.Close ();
  72
  73                         PreLoad = false;
  74                 }
  75
  76                 protected override void DoPullProperties ()
  77                 {
  78                         SafeProcess pc = new SafeProcess ();
  79                         pc.Arguments = new string [] { "totem-video-indexer", UriFu.UriToEscapedString (this.Uri) };
  80                         pc.RedirectStandardOutput = true;
  81                         pc.RedirectStandardError = true;
  82
  83                         try {
  84                                 pc.Start ();
  85                         } catch (SafeProcessException e) {
  86                                 Log.Warn (e.Message);
  87                                 Error ();
  88                                 return;
  89                         }
  90
  91                         StreamReader pout = new StreamReader (pc.StandardOutput);
  92                         string str;
  93
  94                         while ((str = pout.ReadLine ()) != null) {
  95                                 if (!str.StartsWith ("TOTEM_INFO_"))
  96                                         continue;
  97
  98                                 string[] tokens = str.Split ('=');
  99
 100                                 if (tokens.Length != 2)
 101                                         continue;
 102
 103                                 switch (tokens [0]) {
 104                                         case "":
 105                                                 break;
 106                                         case "TOTEM_INFO_TITLE":
 107                                                 AddProperty (Beagle.Property.New ("dc:title", tokens [1]));
 108                                                 break;
 109                                         case "TOTEM_INFO_ARTIST":
 110                                                 AddProperty (Beagle.Property.New ("fixme:artist", tokens [1]));
 111                                                 break;
 112                                         case "TOTEM_INFO_YEAR":
 113                                                 AddProperty (Beagle.Property.New ("fixme:year", tokens [1]));
 114                                                 break;
 115                                         case "TOTEM_INFO_ALBUM":
 116                                                 AddProperty (Beagle.Property.New ("fixme:album", tokens [1]));
 117                                                 break;
 118                                         case "TOTEM_INFO_DURATION":
 119                                                 //FIXME dc:extent or fixme:duration???
 120                                                 AddProperty (Beagle.Property.NewUnsearched ("dc:extent", Convert.ToInt32 (tokens [1])));
 121                                                 break;
 122                                         case "TOTEM_INFO_TRACK_NUMBER":
 123                                                 AddProperty (Beagle.Property.NewUnsearched ("fixme:tracknumber", Convert.ToInt32 (tokens [1])));
 124                                                 break;
 125                                         case "TOTEM_INFO_HAS_VIDEO":
 126                                                 break;
 127                                         case "TOTEM_INFO_VIDEO_WIDTH":
 128                                                 AddProperty (Beagle.Property.NewUnsearched ("fixme:video:width", Convert.ToInt32 (tokens [1])));
 129                                                 break;
 130                                         case "TOTEM_INFO_VIDEO_HEIGHT":
 131                                                 AddProperty (Beagle.Property.NewUnsearched ("fixme:video:height", Convert.ToInt32 (tokens [1])));
 132                                                 break;
 133                                         case "TOTEM_INFO_VIDEO_CODEC":
 134                                                 AddProperty (Beagle.Property.NewKeyword ("fixme:video:codec", tokens [1]));
 135                                                 break;
 136                                         case "TOTEM_INFO_FPS":
 137                                                 AddProperty (Beagle.Property.NewUnsearched ("fixme:video:fps", Convert.ToInt32 (tokens [1])));
 138                                                 break;
 139                                         case "TOTEM_INFO_VIDEO_BITRATE":
 140                                                 AddProperty (Beagle.Property.NewUnsearched ("fixme:video:bitrate", Convert.ToInt32 (tokens [1])));
 141                                                 break;
 142                                         case "TOTEM_INFO_HAS_AUDIO":
 143                                                 break;
 144                                         case "TOTEM_INFO_AUDIO_BITRATE":
 145                                                 AddProperty (Beagle.Property.NewUnsearched ("fixme:audio:bitrate", Convert.ToInt32 (tokens [1])));
 146                                                 break;
 147                                         case "TOTEM_INFO_AUDIO_CODEC":
 148                                                 AddProperty (Beagle.Property.NewKeyword ("fixme:audio:codec", tokens [1]));
 149                                                 break;
 150                                         case "TOTEM_INFO_AUDIO_SAMPLE_RATE":
 151                                                 AddProperty (Beagle.Property.NewUnsearched ("fixme:audio:samplerate", Convert.ToInt32 (tokens [1])));
 152                                                 break;
 153                                         case "TOTEM_INFO_AUDIO_CHANNELS":
 154                                                 //FIXME this is very broken, needs fixing in Totem
 155                                                 break;
 156                                         default:
 157                                                 // Mismatching version of Totem with more information, possibly
 158                                                 break;
 159                                 }
 160                         }
 161
 162                         pout.Close ();
 163                         pc.Close ();
 164
 165                         Finished ();
 166                 }
 167         }
 168 }
 169