summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--ext/ladspa/gstladspa.c145
1 files changed, 83 insertions, 62 deletions
diff --git a/ext/ladspa/gstladspa.c b/ext/ladspa/gstladspa.c
index f22b4aac..4ed8b886 100644
--- a/ext/ladspa/gstladspa.c
+++ b/ext/ladspa/gstladspa.c
@@ -61,6 +61,7 @@ ladspa_src_factory (gchar *name)
}
static void gst_ladspa_class_init (GstLADSPAClass *klass);
+static void gst_ladspa_base_init (GstLADSPAClass *klass);
static void gst_ladspa_init (GstLADSPA *ladspa);
static void gst_ladspa_update_int (const GValue *value, gpointer data);
@@ -98,12 +99,72 @@ GST_DEBUG_CATEGORY_STATIC (ladspa_debug);
GST_CAT_LEVEL_LOG (ladspa_debug, GST_LEVEL_DEBUG, obj, __VA_ARGS__)
static void
+gst_ladspa_base_init (GstLADSPAClass *klass)
+{
+ GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
+ GstPadTemplate *templ;
+ GstElementDetails *details;
+ LADSPA_Descriptor *desc;
+ gint j, sinkcount,srccount;
+
+ desc = g_hash_table_lookup(ladspa_descriptors,
+ GINT_TO_POINTER(G_TYPE_FROM_CLASS(klass)));
+
+ /* construct the element details struct */
+ details = g_new0(GstElementDetails,1);
+ details->longname = g_strdup(desc->Name);
+ details->klass = "Filter/Audio/LADSPA";
+ details->description = details->longname;
+ details->author = g_strdup(desc->Maker);
+ gst_element_class_set_details (element_class, details);
+
+ /* pad templates */
+ klass->numports = desc->PortCount;
+ klass->numsinkpads = 0;
+ klass->numsrcpads = 0;
+ for (j=0;j<desc->PortCount;j++) {
+ if (LADSPA_IS_PORT_AUDIO(desc->PortDescriptors[j])) {
+ gchar *name = g_strdup((gchar *)desc->PortNames[j]);
+ g_strcanon (name, G_CSET_A_2_Z G_CSET_a_2_z G_CSET_DIGITS "-", '-');
+
+ /* the factories take ownership of the name */
+ if (LADSPA_IS_PORT_INPUT(desc->PortDescriptors[j])) {
+ templ = ladspa_sink_factory (name);
+ klass->numsinkpads++;
+ } else {
+ templ = ladspa_src_factory (name);
+ klass->numsrcpads++;
+ }
+
+ gst_element_class_add_pad_template (element_class, templ);
+ }
+ }
+
+ klass->srcpad_portnums = g_new0(gint,klass->numsrcpads);
+ klass->sinkpad_portnums = g_new0(gint,klass->numsinkpads);
+ sinkcount = 0;
+ srccount = 0;
+
+ /* walk through the ports, note the portnums for srcpads, sinkpads */
+ for (j=0; j<desc->PortCount; j++) {
+ if (LADSPA_IS_PORT_AUDIO(desc->PortDescriptors[j])) {
+ if (LADSPA_IS_PORT_INPUT(desc->PortDescriptors[j]))
+ klass->sinkpad_portnums[sinkcount++] = j;
+ else
+ klass->srcpad_portnums[srccount++] = j;
+ }
+ }
+
+ klass->descriptor = desc;
+}
+
+static void
gst_ladspa_class_init (GstLADSPAClass *klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
LADSPA_Descriptor *desc;
- gint i,current_portnum,sinkcount,srccount,controlcount;
+ gint i,current_portnum,controlcount;
gint hintdesc;
gint argtype,argperms;
GParamSpec *paramspec = NULL;
@@ -118,23 +179,15 @@ gst_ladspa_class_init (GstLADSPAClass *klass)
gstelement_class->change_state = gst_ladspa_change_state;
/* look up and store the ladspa descriptor */
- klass->descriptor = g_hash_table_lookup(ladspa_descriptors,GINT_TO_POINTER(G_TYPE_FROM_CLASS(klass)));
- desc = klass->descriptor;
+ desc = g_hash_table_lookup(ladspa_descriptors,
+ GINT_TO_POINTER(G_TYPE_FROM_CLASS(klass)));
- klass->numports = desc->PortCount;
-
- klass->numsinkpads = 0;
- klass->numsrcpads = 0;
klass->numcontrols = 0;
/* walk through the ports, count the input, output and control ports */
for (i=0; i<desc->PortCount; i++) {
- if (LADSPA_IS_PORT_AUDIO(desc->PortDescriptors[i]))
- if (LADSPA_IS_PORT_INPUT(desc->PortDescriptors[i]))
- klass->numsinkpads++;
- else
- klass->numsrcpads++;
- else if (LADSPA_IS_PORT_INPUT(desc->PortDescriptors[i]))
+ if (!LADSPA_IS_PORT_AUDIO(desc->PortDescriptors[i]) &&
+ LADSPA_IS_PORT_INPUT(desc->PortDescriptors[i]))
klass->numcontrols++;
}
@@ -142,22 +195,13 @@ gst_ladspa_class_init (GstLADSPAClass *klass)
g_type_name (G_TYPE_FROM_CLASS (klass)),
klass->numsinkpads, klass->numsrcpads, klass->numcontrols);
- klass->srcpad_portnums = g_new0(gint,klass->numsrcpads);
- klass->sinkpad_portnums = g_new0(gint,klass->numsinkpads);
klass->control_portnums = g_new0(gint,klass->numcontrols);
- sinkcount = 0;
- srccount = 0;
controlcount = 0;
- /* walk through the ports, note the portnums for srcpads, sinkpads and control
- params */
+ /* walk through the ports, note the portnums for control params */
for (i=0; i<desc->PortCount; i++) {
- if (LADSPA_IS_PORT_AUDIO(desc->PortDescriptors[i]))
- if (LADSPA_IS_PORT_INPUT(desc->PortDescriptors[i]))
- klass->sinkpad_portnums[sinkcount++] = i;
- else
- klass->srcpad_portnums[srccount++] = i;
- else if (LADSPA_IS_PORT_INPUT(desc->PortDescriptors[i]))
+ if (!LADSPA_IS_PORT_AUDIO(desc->PortDescriptors[i]) &&
+ LADSPA_IS_PORT_INPUT(desc->PortDescriptors[i]))
klass->control_portnums[controlcount++] = i;
}
@@ -912,12 +956,10 @@ ladspa_describe_plugin(const char *pcFullFilename,
LADSPA_Descriptor_Function pfDescriptorFunction)
{
const LADSPA_Descriptor *desc;
- int i,j;
-
- GstElementDetails *details;
+ gint i;
GTypeInfo typeinfo = {
sizeof(GstLADSPAClass),
- NULL,
+ (GBaseInitFunc)gst_ladspa_base_init,
NULL,
(GClassInitFunc)gst_ladspa_class_init,
NULL,
@@ -927,7 +969,6 @@ ladspa_describe_plugin(const char *pcFullFilename,
(GInstanceInitFunc)gst_ladspa_init,
};
GType type;
- GstElementFactory *factory;
/* walk through all the plugins in this pluginlibrary */
i = 0;
@@ -944,44 +985,18 @@ ladspa_describe_plugin(const char *pcFullFilename,
}
/* create the type now */
type = g_type_register_static(GST_TYPE_ELEMENT, type_name, &typeinfo, 0);
-
- /* construct the element details struct */
- details = g_new0(GstElementDetails,1);
- details->longname = g_strdup(desc->Name);
- details->klass = "Filter/Audio/LADSPA";
- details->license = g_strdup (desc->Copyright);
- details->description = details->longname;
- details->version = g_strdup_printf("%ld",desc->UniqueID);
- details->author = g_strdup(desc->Maker);
- details->copyright = g_strdup(desc->Copyright);
-
- /* register the plugin with gstreamer */
- factory = gst_element_factory_new(type_name,type,details);
- g_return_if_fail(factory != NULL);
- gst_plugin_add_feature (ladspa_plugin, GST_PLUGIN_FEATURE (factory));
+ if (!gst_element_register (ladspa_plugin, type_name, GST_RANK_NONE, type))
+ continue;
/* add this plugin to the hash */
g_hash_table_insert(ladspa_descriptors,
GINT_TO_POINTER(type),
(gpointer)desc);
-
-
- for (j=0;j<desc->PortCount;j++) {
- if (LADSPA_IS_PORT_AUDIO(desc->PortDescriptors[j])) {
- gchar *name = g_strdup((gchar *)desc->PortNames[j]);
- g_strcanon (name, G_CSET_A_2_Z G_CSET_a_2_z G_CSET_DIGITS "-", '-');
- /* the factories take ownership of the name */
- if (LADSPA_IS_PORT_INPUT(desc->PortDescriptors[j]))
- gst_element_factory_add_pad_template (factory, ladspa_sink_factory (name));
- else
- gst_element_factory_add_pad_template (factory, ladspa_src_factory (name));
- }
- }
}
}
static gboolean
-plugin_init (GModule *module, GstPlugin *plugin)
+plugin_init (GstPlugin *plugin)
{
GST_DEBUG_CATEGORY_INIT (ladspa_debug, "ladspa",
GST_DEBUG_FG_GREEN | GST_DEBUG_BG_BLACK | GST_DEBUG_BOLD,
@@ -1000,9 +1015,15 @@ plugin_init (GModule *module, GstPlugin *plugin)
return TRUE;
}
-GstPluginDesc plugin_desc = {
+GST_PLUGIN_DEFINE (
GST_VERSION_MAJOR,
GST_VERSION_MINOR,
"ladspa",
- plugin_init
-};
+ "All LADSPA plugins",
+ plugin_init,
+ LADSPA_VERSION,
+ "LGPL",
+ "(c) 2003 The LADSPA team",
+ "LADSPA",
+ "http://www.ladspa.org/"
+)
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-04 16:14:14 +0000