#include "gstladspa.h"
#include <ladspa.h> /* main ladspa sdk include file */
+#if HAVE_LRDF
+#include <lrdf.h>
+#endif
/* 1.0 and the 1.1 preliminary headers don't define a version, but 1.1 final
does */
GstElementDetails *details;
LADSPA_Descriptor *desc;
guint j, audio_in_count, audio_out_count, control_in_count, control_out_count;
+ gchar *klass_tags;
+#if HAVE_LRDF
+ gchar *uri, *extra_klass_tags = NULL;
+#endif
GST_DEBUG ("base_init %p", g_class);
if (!details->author)
details->author = g_strdup ("no author available");
+#if 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 = RDF_BASE "type";
+ query.object = "?";
+ 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)
- details->klass = "Source/Audio/LADSPA";
+ klass_tags = "Source/Audio/LADSPA";
else if (gsp_class->num_audio_out == 0) {
if (gsp_class->num_control_out == 0)
- details->klass = "Sink/Audio/LADSPA";
+ klass_tags = "Sink/Audio/LADSPA";
else
- details->klass = "Sink/Analyzer/Audio/LADSPA";
+ klass_tags = "Sink/Analyzer/Audio/LADSPA";
} else
- details->klass = "Filter/Effect/Audio/LADSPA";
+ klass_tags = "Filter/Effect/Audio/LADSPA";
+
+ if (extra_klass_tags) {
+ details->klass = g_strconcat (klass_tags, extra_klass_tags, NULL);
+ g_free (extra_klass_tags);
+ } else {
+ details->klass = klass_tags;
+ }
+ GST_INFO ("tags : %s", details->klass);
gst_element_class_set_details (element_class, details);
g_free (details->longname);
g_free (details->author);
g_free (details);
-
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);
(GInstanceInitFunc) gst_ladspa_init,
};
GType type;
-
/* construct the type */
type_name = g_strdup_printf ("ladspa-%s", desc->Label);
g_strcanon (type_name, G_CSET_A_2_Z G_CSET_a_2_z G_CSET_DIGITS "-+", '-');
}
}
+#if HAVE_LRDF
+static gboolean
+ladspa_rdf_directory_search (const char *dir_name)
+{
+ GDir *dir;
+ gchar *file_name, *file_uri;
+ const gchar *entry_name;
+ gint ok;
+
+ GST_INFO ("scanning directory for rdfs \"%s\"", dir_name);
+
+ dir = g_dir_open (dir_name, 0, NULL);
+ if (!dir)
+ return FALSE;
+
+ while ((entry_name = g_dir_read_name (dir))) {
+ file_name = g_build_filename (dir_name, entry_name, NULL);
+ file_uri = g_strconcat ("file://", file_name, NULL);
+ ok = lrdf_read_file (file_uri);
+ GST_INFO ("read %s : %d", file_uri, ok);
+ g_free (file_uri);
+ g_free (file_name);
+ }
+ g_dir_close (dir);
+
+ return TRUE;
+}
+
+#endif
+
/* search just the one directory.
*/
static gboolean
GModule *plugin;
gboolean ok = FALSE;
- GST_INFO ("scanning directory \"%s\"", dir_name);
+ GST_INFO ("scanning directory for plugins \"%s\"", dir_name);
dir = g_dir_open (dir_name, 0, NULL);
if (!dir)
if (g_module_symbol (plugin, "ladspa_descriptor",
(gpointer *) & descriptor_function)) {
/* we've found a ladspa_descriptor function, now introspect it. */
+ GST_INFO ("describe %s", file_name);
ladspa_describe_plugin (descriptor_function);
ok = TRUE;
} else {
static gboolean
ladspa_plugin_path_search (void)
{
- const char *search_path;
- char *ladspa_path;
+ const gchar *search_path;
+ gchar *ladspa_path;
gchar **paths;
gint i, j, path_entries;
gboolean res = FALSE, skip;
+#if HAVE_LRDF
+ gchar *pos, *prefix, *rdf_path;
+#endif
search_path = g_getenv ("LADSPA_PATH");
if (search_path) {
path_entries = g_strv_length (paths);
GST_INFO ("%d dirs in search paths \"%s\"", path_entries, ladspa_path);
+#if HAVE_LRDF
+ for (i = 0; i < path_entries; i++) {
+ skip = FALSE;
+ for (j = 0; j < i; j++) {
+ if (!strcmp (paths[i], paths[j])) {
+ skip = TRUE;
+ break;
+ }
+ }
+ if (skip)
+ break;
+ /* transform path: /usr/lib/ladspa -> /usr/share/ladspa/rdf/
+ * yes, this is ugly, but lrdf has not searchpath
+ */
+ if ((pos = strstr (paths[i], "/lib/ladspa"))) {
+ prefix = g_strndup (paths[i], (pos - paths[i]));
+ rdf_path = g_build_filename (prefix, "share", "ladspa", "rdf", NULL);
+ ladspa_rdf_directory_search (rdf_path);
+ g_free (rdf_path);
+ g_free (prefix);
+ }
+ }
+#endif
+
for (i = 0; i < path_entries; i++) {
skip = FALSE;
for (j = 0; j < i; j++) {
"LADSPA_PATH",
GST_LADSPA_DEFAULT_PATH, NULL, GST_PLUGIN_DEPENDENCY_FLAG_NONE);
+#if HAVE_LRDF
+ lrdf_init ();
+#endif
+
parent_class = g_type_class_ref (GST_TYPE_SIGNAL_PROCESSOR);
ladspa_plugin = plugin;
projects / platform / upstream / gst-plugins-bad.git / commitdiff