コード例 #1
0
ファイル: gstladspa.c プロジェクト: collects/gst-plugins-bad
static void
gst_ladspa_base_init (gpointer g_class)
{
  GstLADSPAClass *klass = (GstLADSPAClass *) g_class;
  GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
  GstSignalProcessorClass *gsp_class = GST_SIGNAL_PROCESSOR_CLASS (g_class);
  LADSPA_Descriptor *desc;
  guint j, audio_in_count, audio_out_count, control_in_count, control_out_count;
  const gchar *klass_tags;
  gchar *longname, *author;
#ifdef HAVE_LRDF
  gchar *uri;
#endif
  gchar *extra_klass_tags = NULL;

  GST_DEBUG ("base_init %p", g_class);

  desc = (LADSPA_Descriptor *) g_type_get_qdata (G_OBJECT_CLASS_TYPE (klass),
      descriptor_quark);
  g_assert (desc);
  klass->descriptor = desc;

  /* pad templates */
  gsp_class->num_audio_in = 0;
  gsp_class->num_audio_out = 0;
  /* properties */
  gsp_class->num_control_in = 0;
  gsp_class->num_control_out = 0;

  for (j = 0; j < desc->PortCount; j++) {
    LADSPA_PortDescriptor p = desc->PortDescriptors[j];

    if (LADSPA_IS_PORT_AUDIO (p)) {
      gchar *name = g_strdup ((gchar *) desc->PortNames[j]);

      /* FIXME: group stereo pairs into a stereo pad
       * ladspa-fx have "XXX (Left)" and "XXX (Right)"
       * where XXX={In,Input,Out,Output}
       */

      GST_DEBUG ("LADSPA port name: \"%s\"", name);
      /* replaces all spaces with underscores, and then remaining special chars
       * with '-'
       * FIXME: why, pads can have any name
       */
      g_strdelimit (name, " ", '_');
      g_strcanon (name, G_CSET_A_2_Z G_CSET_a_2_z G_CSET_DIGITS "_-><=", '-');
      GST_DEBUG ("GStreamer pad name: \"%s\"", name);

      if (LADSPA_IS_PORT_INPUT (p))
        gst_signal_processor_class_add_pad_template (gsp_class, name,
            GST_PAD_SINK, gsp_class->num_audio_in++, 1);
      else
        gst_signal_processor_class_add_pad_template (gsp_class, name,
            GST_PAD_SRC, gsp_class->num_audio_out++, 1);

      g_free (name);
    } else if (LADSPA_IS_PORT_CONTROL (p)) {
      if (LADSPA_IS_PORT_INPUT (p))
        gsp_class->num_control_in++;
      else
        gsp_class->num_control_out++;
    }
  }

  longname = g_locale_to_utf8 (desc->Name, -1, NULL, NULL, NULL);
  if (!longname)
    longname = g_strdup ("no description available");
  author = g_locale_to_utf8 (desc->Maker, -1, NULL, NULL, NULL);
  if (!author)
    author = g_strdup ("no author available");

#ifdef HAVE_LRDF
  /* libldrf support, we want to get extra class information here */
  uri = g_strdup_printf (LADSPA_BASE "%ld", desc->UniqueID);
  if (uri) {
    lrdf_statement query = { 0, };
    lrdf_uris *uris;
    gchar *str, *base_type = NULL;

    GST_DEBUG ("uri (id=%d) : %s", desc->UniqueID, uri);
    /* we can take this directly from 'desc', keep this example for future
       attributes. 
       if ((str = lrdf_get_setting_metadata (uri, "title"))) {
       GST_DEBUG ("title : %s", str);
       }
       if ((str = lrdf_get_setting_metadata (uri, "creator"))) {
       GST_DEBUG ("creator : %s", str);
       }
     */

    /* get the rdf:type for this plugin */
    query.subject = uri;
    query.predicate = (char *) RDF_BASE "type";
    query.object = (char *) "?";
    query.next = NULL;
    uris = lrdf_match_multi (&query);
    if (uris) {
      if (uris->count == 1) {
        base_type = g_strdup (uris->items[0]);
        GST_DEBUG ("base_type :  %s", base_type);
      }
      lrdf_free_uris (uris);
    }

    /* query taxonomy */
    if (base_type) {
      uris = lrdf_get_all_superclasses (base_type);
      if (uris) {
        guint32 j;

        for (j = 0; j < uris->count; j++) {
          GST_LOG ("parent_type_uri : %s", uris->items[j]);
          if ((str = lrdf_get_label (uris->items[j]))) {
            GST_DEBUG ("parent_type_label : %s", str);
            if (extra_klass_tags) {
              gchar *old_tags = extra_klass_tags;
              extra_klass_tags = g_strconcat (extra_klass_tags, "/", str, NULL);
              g_free (old_tags);
            } else {
              extra_klass_tags = g_strconcat ("/", str, NULL);
            }
          }
        }
        lrdf_free_uris (uris);
      }
      g_free (base_type);
    }

    /* we can use this for the presets
       uris = lrdf_get_setting_uris (desc->UniqueID);
       if (uris) {
       guint32 j;

       for (j = 0; j < uris->count; j++) {
       GST_INFO ("setting_uri : %s", uris->items[j]);
       if ((str = lrdf_get_label (uris->items[j]))) {
       GST_INFO ("setting_label : %s", str);
       }
       }
       lrdf_free_uris (uris);
       }
     */

  }
  g_free (uri);
#endif

  if (gsp_class->num_audio_in == 0)
    klass_tags = "Source/Audio/LADSPA";
  else if (gsp_class->num_audio_out == 0) {
    if (gsp_class->num_control_out == 0)
      klass_tags = "Sink/Audio/LADSPA";
    else
      klass_tags = "Sink/Analyzer/Audio/LADSPA";
  } else
    klass_tags = "Filter/Effect/Audio/LADSPA";

#ifdef HAVE_LRDF
  if (extra_klass_tags) {
    char *s = g_strconcat (klass_tags, extra_klass_tags, NULL);
    g_free (extra_klass_tags);
    extra_klass_tags = s;
  }
#endif
  GST_INFO ("tags : %s", klass_tags);
  gst_element_class_set_metadata (element_class, longname,
      extra_klass_tags ? extra_klass_tags : klass_tags, longname, author);
  g_free (longname);
  g_free (author);
  g_free (extra_klass_tags);

  klass->audio_in_portnums = g_new0 (gint, gsp_class->num_audio_in);
  klass->audio_out_portnums = g_new0 (gint, gsp_class->num_audio_out);
  klass->control_in_portnums = g_new0 (gint, gsp_class->num_control_in);
  klass->control_out_portnums = g_new0 (gint, gsp_class->num_control_out);

  audio_in_count = audio_out_count = control_in_count = control_out_count = 0;

  for (j = 0; j < desc->PortCount; j++) {
    LADSPA_PortDescriptor p = desc->PortDescriptors[j];

    if (LADSPA_IS_PORT_AUDIO (p)) {
      if (LADSPA_IS_PORT_INPUT (p))
        klass->audio_in_portnums[audio_in_count++] = j;
      else
        klass->audio_out_portnums[audio_out_count++] = j;
    } else if (LADSPA_IS_PORT_CONTROL (p)) {
      if (LADSPA_IS_PORT_INPUT (p))
        klass->control_in_portnums[control_in_count++] = j;
      else
        klass->control_out_portnums[control_out_count++] = j;
    }
  }

  g_assert (audio_in_count == gsp_class->num_audio_in);
  g_assert (audio_out_count == gsp_class->num_audio_out);
  g_assert (control_in_count == gsp_class->num_control_in);
  g_assert (control_out_count == gsp_class->num_control_out);

  if (!LADSPA_IS_INPLACE_BROKEN (desc->Properties))
    GST_SIGNAL_PROCESSOR_CLASS_SET_CAN_PROCESS_IN_PLACE (klass);

  klass->descriptor = desc;
}
コード例 #2
0
void LoadLadspaPlugins()
{
   wxArrayString audacityPathList = wxGetApp().audacityPathList;
   wxArrayString pathList;
   wxArrayString files;
   wxSortedArrayString uniq;
   wxString pathVar;
   unsigned int i;

#if defined(USE_LIBLRDF) && defined(EFFECT_CATEGORIES)
   
   EffectManager& em = EffectManager::Get();
   wxArrayString rdfPathList;
   wxString rdfPathVar;
   wxArrayString rdfFiles;

   InitCategoryMap();
   lrdf_init();

   rdfPathVar = wxGetenv(wxT("LADSPA_RDF_PATH"));
   if (rdfPathVar != wxT(""))
      wxGetApp().AddMultiPathsToPathList(rdfPathVar, rdfPathList);

#ifdef __WXGTK__
   wxGetApp().AddUniquePathToPathList(wxT("/usr/share/ladspa/rdf"), 
                                      rdfPathList);
   wxGetApp().AddUniquePathToPathList(wxT("/usr/local/share/ladspa/rdf"), 
                                      rdfPathList);
#endif

#ifdef __WXMAC__
   wxGetApp().AddUniquePathToPathList(wxT("/usr/share/ladspa/rdf"), 
                                      rdfPathList);
   // XXX Maybe other Mac paths here?
#endif

#ifdef __WXMSW__
   //wxGetApp().AddUniquePathToPathList(wxT("WINDOWS LRDF PATH"), 
   //                                   rdfPathList);
   // XXX Other Windows paths here.
#endif
   
   // Add the Audacity paths so we get ladspa.rdfs if we are using a local
   // liblrdf
   for(i=0; i<audacityPathList.GetCount(); i++) {
      wxString prefix = audacityPathList[i] + wxFILE_SEP_PATH;
      wxGetApp().AddUniquePathToPathList(prefix + wxT("rdf"),
                                         rdfPathList);
   }

   wxGetApp().FindFilesInPathList(wxT("*.rdf"), rdfPathList, rdfFiles);
   wxGetApp().FindFilesInPathList(wxT("*.rdfs"), rdfPathList, rdfFiles);
   for(size_t i = 0; i < rdfFiles.GetCount(); ++i) {
      wxString fileUri(wxT("file://"));
      fileUri += rdfFiles[i];
      lrdf_read_file(fileUri.mb_str(wxConvUTF8));
   }
   
   
   // Add all plugin categories found by LRDF
   lrdf_uris* cats = 
      lrdf_get_all_subclasses("http://ladspa.org/ontology#Plugin");
   if (cats) {
    
      // Add the categories and find the plugins belonging to them
      for (size_t i = 0; i < cats->count; ++i) {
         char* label = lrdf_get_label(cats->items[i]);
         if (!label)
            continue;
         wxString uri = MapCategoryUri(wxString::FromAscii(cats->items[i]));
         em.AddCategory(uri, wxString::FromUTF8(label));
         std::free(label);

         lrdf_uris* plugs = lrdf_get_instances(cats->items[i]);
         if (plugs) {
            for (size_t j = 0; j < plugs->count; ++j) {
               unsigned long uid = lrdf_get_uid(plugs->items[j]);
               gPluginCategories.insert(std::make_pair(uid, uri));
            }
            lrdf_free_uris(plugs);
         }
      }
      
      // And their relationships
      for (size_t i = 0; i < cats->count; ++i) {
         EffectCategory* p = 
            em.LookupCategory(MapCategoryUri(wxString::FromAscii(cats->
                                                                 items[i])));
         if (!p)
            continue;
         lrdf_uris* subs = lrdf_get_subclasses(cats->items[i]);
         if (subs) {
            for (size_t j = 0; j < subs->count; ++j) {
               EffectCategory* c = 
                  em.LookupCategory(MapCategoryUri(wxString::FromAscii(subs->items[j])));
               if (c)
                  em.AddCategoryParent(c, p);
            }
            lrdf_free_uris(subs);
         }
      }
      
      lrdf_free_uris(cats);
      
   }
   
#endif

   pathVar = wxGetenv(wxT("LADSPA_PATH"));
   if (pathVar != wxT(""))
      wxGetApp().AddMultiPathsToPathList(pathVar, pathList);

   #ifdef __WXGTK__
   wxGetApp().AddUniquePathToPathList(wxT(INSTALL_PREFIX) wxT("/ladspa"), pathList);
   wxGetApp().AddUniquePathToPathList(wxT("/usr/local/lib/ladspa"), pathList);
   wxGetApp().AddUniquePathToPathList(wxT(LIBDIR) wxT("/ladspa"), pathList);
   #endif

   #ifdef __WXMAC__
   wxGetApp().AddUniquePathToPathList(wxT("~/Library/Audio/Plug-Ins/LADSPA"), pathList);
   wxGetApp().AddUniquePathToPathList(wxT("/Library/Audio/Plug-Ins/LADSPA"), pathList);
   #endif

   for(i=0; i<audacityPathList.GetCount(); i++) {
      wxString prefix = audacityPathList[i] + wxFILE_SEP_PATH;
      wxGetApp().AddUniquePathToPathList(prefix + wxT("ladspa"),
                                         pathList);
      wxGetApp().AddUniquePathToPathList(prefix + wxT("plugins"),
                                         pathList);
      wxGetApp().AddUniquePathToPathList(prefix + wxT("plug-ins"),
                                         pathList);
   }

   #ifdef __WXMSW__
   wxGetApp().FindFilesInPathList(wxT("*.dll"), pathList, files);   
   #else
   wxGetApp().FindFilesInPathList(wxT("*.so"), pathList, files);
   #endif

   for(i=0; i<files.GetCount(); i++)
      LoadLadspaEffect(uniq, files[i], ladspa_dls);
}
コード例 #3
0
ファイル: LadspaEffect.cpp プロジェクト: dot-Sean/audio
wxArrayString LadspaEffectsModule::FindPlugins(PluginManagerInterface & pm)
{
#if defined(USE_LIBLRDF) && defined(EFFECT_CATEGORIES)

   EffectManager& em = EffectManager::Get();
   wxArrayString rdfPathList;
   wxString rdfPathVar;
   wxArrayString rdfFiles;

   InitCategoryMap();
   lrdf_init();

   rdfPathVar = wxGetenv(wxT("LADSPA_RDF_PATH"));
   if (rdfPathVar != wxT(""))
      wxGetApp().AddMultiPathsToPathList(rdfPathVar, rdfPathList);

#ifdef __WXGTK__
   wxGetApp().AddUniquePathToPathList(wxT("/usr/share/ladspa/rdf"),
                                      rdfPathList);
   wxGetApp().AddUniquePathToPathList(wxT("/usr/local/share/ladspa/rdf"),
                                      rdfPathList);
#endif

#ifdef __WXMAC__
   wxGetApp().AddUniquePathToPathList(wxT("/usr/share/ladspa/rdf"),
                                      rdfPathList);
   // XXX Maybe other Mac paths here?
#endif

#ifdef __WXMSW__
   //wxGetApp().AddUniquePathToPathList(wxT("WINDOWS LRDF PATH"),
   //                                   rdfPathList);
   // XXX Other Windows paths here.
#endif

   // Add the Audacity paths so we get ladspa.rdfs if we are using a local
   // liblrdf
   for(i=0; i<audacityPathList.GetCount(); i++) {
      wxString prefix = audacityPathList[i] + wxFILE_SEP_PATH;
      wxGetApp().AddUniquePathToPathList(prefix + wxT("rdf"),
                                         rdfPathList);
   }

   wxGetApp().FindFilesInPathList(wxT("*.rdf"), rdfPathList, rdfFiles);
   wxGetApp().FindFilesInPathList(wxT("*.rdfs"), rdfPathList, rdfFiles);
   for(size_t i = 0; i < rdfFiles.GetCount(); ++i) {
      wxString fileUri(wxT("file://"));
      fileUri += rdfFiles[i];
      lrdf_read_file(fileUri.mb_str(wxConvUTF8));
   }


   // Add all plugin categories found by LRDF
   lrdf_uris* cats =
      lrdf_get_all_subclasses("http://ladspa.org/ontology#Plugin");
   if (cats) {

      // Add the categories and find the plugins belonging to them
      for (size_t i = 0; i < cats->count; ++i) {
         char* label = lrdf_get_label(cats->items[i]);
         if (!label)
            continue;
         wxString uri = MapCategoryUri(wxString::FromAscii(cats->items[i]));
         em.AddCategory(uri, wxString::FromUTF8(label));
         std::free(label);

         lrdf_uris* plugs = lrdf_get_instances(cats->items[i]);
         if (plugs) {
            for (size_t j = 0; j < plugs->count; ++j) {
               unsigned long uid = lrdf_get_uid(plugs->items[j]);
               gPluginCategories.insert(std::make_pair(uid, uri));
            }
            lrdf_free_uris(plugs);
         }
      }

      // And their relationships
      for (size_t i = 0; i < cats->count; ++i) {
         EffectCategory* p =
            em.LookupCategory(MapCategoryUri(wxString::FromAscii(cats->
                                                                 items[i])));
         if (!p)
            continue;
         lrdf_uris* subs = lrdf_get_subclasses(cats->items[i]);
         if (subs) {
            for (size_t j = 0; j < subs->count; ++j) {
               EffectCategory* c =
                  em.LookupCategory(MapCategoryUri(wxString::FromAscii(subs->items[j])));
               if (c)
                  em.AddCategoryParent(c, p);
            }
            lrdf_free_uris(subs);
         }
      }

      lrdf_free_uris(cats);

   }

#endif

   wxArrayString pathList;
   wxArrayString files;
   wxString pathVar;

   // Check for the LADSPA_PATH environment variable
   pathVar = wxString::FromUTF8(getenv("LADSPA_PATH"));
   if (!pathVar.empty())
   {
      wxStringTokenizer tok(pathVar);
      while (tok.HasMoreTokens())
      {
         pathList.Add(tok.GetNextToken());
      }
   }

#if defined(__WXMAC__)
#define LADSPAPATH wxT("/Library/Audio/Plug-Ins/LADSPA")

   // Look in ~/Library/Audio/Plug-Ins/LADSPA and /Library/Audio/Plug-Ins/LADSPA
   pathList.Add(wxGetHomeDir() + wxFILE_SEP_PATH + LADSPAPATH);
   pathList.Add(LADSPAPATH);

   // Recursively scan for all shared objects
   pm.FindFilesInPathList(wxT("*.so"), pathList, files, true);

#elif defined(__WXMSW__)

   // Recursively scan for all DLLs
   pm.FindFilesInPathList(wxT("*.dll"), pathList, files, true);

#else
   
   pathList.Add(wxGetHomeDir() + wxFILE_SEP_PATH + wxT(".ladspa"));
   pathList.Add(wxT("/usr/local/lib/ladspa"));
   pathList.Add(wxT("/usr/lib/ladspa"));
   pathList.Add(wxT(LIBDIR) wxT("/ladspa"));

   // Recursively scan for all shared objects
   pm.FindFilesInPathList(wxT("*.so"), pathList, files, true);

#endif

   return files;
}