diff options
Diffstat (limited to 'ext/ladspa/gstladspa.c')
-rw-r--r-- | ext/ladspa/gstladspa.c | 145 |
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/" +) |