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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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ladspa: use the registry cache for plugin details
Split the introspection and registration part. This way we only need to open all plugins when updating the registry. When reading the registry we can register the elements entierly from the cache.
This commit is contained in:
Stefan Sauer
parent
407f3e1856
commit
f65bdac49b
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@ -130,7 +130,6 @@
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#include "gstladspasink.h"
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#include <gst/gst-i18n-plugin.h>
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#include <gmodule.h>
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#include <string.h>
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#include <ladspa.h>
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#ifdef HAVE_LRDF
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@ -153,29 +152,107 @@ GST_DEBUG_CATEGORY (ladspa_debug);
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"/usr/local/lib/ladspa" G_SEARCHPATH_SEPARATOR_S \
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LIBDIR "/ladspa"
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GQuark descriptor_quark = 0;
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GstStructure *ladspa_meta_all = NULL;
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static void
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ladspa_describe_plugin (GstPlugin * plugin,
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const gchar * filename, LADSPA_Descriptor_Function descriptor_function)
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ladspa_plugin_register_element (GstPlugin * plugin, GstStructure * ladspa_meta)
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{
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guint audio_in, audio_out;
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gst_structure_get_uint (ladspa_meta, "audio-in", &audio_in);
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gst_structure_get_uint (ladspa_meta, "audio-out", &audio_out);
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if (audio_in == 0) {
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ladspa_register_source_element (plugin, ladspa_meta);
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} else if (audio_out == 0) {
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ladspa_register_sink_element (plugin, ladspa_meta);
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} else {
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ladspa_register_filter_element (plugin, ladspa_meta);
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}
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}
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static void
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ladspa_count_ports (const LADSPA_Descriptor * descriptor,
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guint * audio_in, guint * audio_out, guint * control_in,
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guint * control_out)
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{
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guint i;
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*audio_in = *audio_out = *control_in = *control_out = 0;
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for (i = 0; i < descriptor->PortCount; i++) {
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LADSPA_PortDescriptor p = descriptor->PortDescriptors[i];
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if (LADSPA_IS_PORT_AUDIO (p)) {
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if (LADSPA_IS_PORT_INPUT (p))
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(*audio_in)++;
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else
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(*audio_out)++;
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} else if (LADSPA_IS_PORT_CONTROL (p)) {
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if (LADSPA_IS_PORT_INPUT (p))
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(*control_in)++;
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else
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(*control_out)++;
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}
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}
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}
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static void
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ladspa_describe_plugin (const gchar * file_name, const gchar * entry_name,
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LADSPA_Descriptor_Function descriptor_function)
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{
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const LADSPA_Descriptor *desc;
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guint i;
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/* walk through all the plugins in this plugin library */
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for (i = 0; (desc = descriptor_function (i)); i++) {
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GstStructure *ladspa_meta = NULL;
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GValue value = { 0, };
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gchar *tmp;
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gchar *type_name;
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guint audio_in, audio_out, control_in, control_out;
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/* count ports of this plugin */
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ladspa_count_ports (desc, &audio_in, &audio_out, &control_in, &control_out);
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/* categorize and register it */
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if (audio_in == 0)
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ladspa_describe_source_plugin (plugin, filename, desc);
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else if (audio_out == 0)
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ladspa_describe_sink_plugin (plugin, filename, desc);
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else
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ladspa_describe_filter_plugin (plugin, filename, desc);
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/* categorize */
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if (audio_in == 0 && audio_out == 0) {
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GST_WARNING ("Skipping control only element (%s:%lu/%s)",
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entry_name, desc->UniqueID, desc->Label);
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continue;
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} else if (audio_in == 0) {
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tmp = g_strdup_printf ("ladspasrc-%s-%s", entry_name, desc->Label);
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} else if (audio_out == 0) {
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tmp = g_strdup_printf ("ladspasink-%s-%s", entry_name, desc->Label);
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} else {
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tmp = g_strdup_printf ("ladspa-%s-%s", entry_name, desc->Label);
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}
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type_name = g_ascii_strdown (tmp, -1);
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g_free (tmp);
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g_strcanon (type_name, G_CSET_A_2_Z G_CSET_a_2_z G_CSET_DIGITS "-+", '-');
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/* check if the type is already registered */
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if (g_type_from_name (type_name)) {
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GST_WARNING ("Plugin identifier collision for %s (%s:%lu/%s)", type_name,
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entry_name, desc->UniqueID, desc->Label);
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g_free (type_name);
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continue;
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}
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ladspa_meta = gst_structure_new_empty ("ladspa");
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gst_structure_set (ladspa_meta,
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"plugin-filename", G_TYPE_STRING, file_name,
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"element-ix", G_TYPE_UINT, i,
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"element-type-name", G_TYPE_STRING, type_name,
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"audio-in", G_TYPE_UINT, audio_in,
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"audio-out", G_TYPE_UINT, audio_out,
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"control-in", G_TYPE_UINT, control_in,
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"control-out", G_TYPE_UINT, control_out, NULL);
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g_value_init (&value, GST_TYPE_STRUCTURE);
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g_value_set_boxed (&value, ladspa_meta);
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gst_structure_set_value (ladspa_meta_all, type_name, &value);
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g_value_unset (&value);
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}
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}
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@ -235,7 +312,7 @@ ladspa_plugin_directory_search (GstPlugin * ladspa_plugin, const char *dir_name)
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(gpointer *) & descriptor_function)) {
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/* we've found a ladspa_descriptor function, now introspect it. */
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GST_INFO ("describe %s", file_name);
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ladspa_describe_plugin (ladspa_plugin, entry_name, descriptor_function);
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ladspa_describe_plugin (file_name, entry_name, descriptor_function);
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ok = TRUE;
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} else {
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/* it was a library, but not a LADSPA one. Unload it. */
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@ -322,6 +399,9 @@ ladspa_plugin_path_search (GstPlugin * plugin)
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static gboolean
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plugin_init (GstPlugin * plugin)
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{
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gboolean res = FALSE;
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gint n = 0;
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#ifdef ENABLE_NLS
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GST_DEBUG ("binding text domain %s to locale dir %s", GETTEXT_PACKAGE,
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LOCALEDIR);
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@ -331,8 +411,6 @@ plugin_init (GstPlugin * plugin)
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GST_DEBUG_CATEGORY_INIT (ladspa_debug, "ladspa", 0, "LADSPA plugins");
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descriptor_quark = g_quark_from_static_string ("ladspa-descriptor");
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gst_plugin_add_dependency_simple (plugin,
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"LADSPA_PATH",
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GST_LADSPA_DEFAULT_PATH, NULL, GST_PLUGIN_DEPENDENCY_FLAG_NONE);
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@ -341,8 +419,44 @@ plugin_init (GstPlugin * plugin)
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lrdf_init ();
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#endif
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if (!ladspa_plugin_path_search (plugin))
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ladspa_meta_all = (GstStructure *) gst_plugin_get_cache_data (plugin);
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if (ladspa_meta_all) {
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n = gst_structure_n_fields (ladspa_meta_all);
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}
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GST_INFO ("%d entries in cache", n);
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if (!n) {
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ladspa_meta_all = gst_structure_new_empty ("ladspa");
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res = ladspa_plugin_path_search (plugin);
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if (res) {
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n = gst_structure_n_fields (ladspa_meta_all);
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GST_INFO ("%d entries after scanning", n);
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gst_plugin_set_cache_data (plugin, ladspa_meta_all);
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}
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} else {
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res = TRUE;
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}
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if (n) {
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gint i;
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const gchar *name;
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const GValue *value;
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GST_INFO ("register types");
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for (i = 0; i < n; i++) {
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name = gst_structure_nth_field_name (ladspa_meta_all, i);
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value = gst_structure_get_value (ladspa_meta_all, name);
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if (G_VALUE_TYPE (value) == GST_TYPE_STRUCTURE) {
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GstStructure *ladspa_meta = g_value_get_boxed (value);
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ladspa_plugin_register_element (plugin, ladspa_meta);
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}
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}
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}
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if (!res) {
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GST_WARNING ("no LADSPA plugins found, check LADSPA_PATH");
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}
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/* we don't want to fail, even if there are no elements registered */
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return TRUE;
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@ -1,6 +1,7 @@
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/* GStreamer
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* Copyright (C) 1999 Erik Walthinsen <omega@cse.ogi.edu>
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* Copyright (C) 2013 Juan Manuel Borges Caño <juanmabcmail@gmail.com>
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* 2013 Stefan Sauer <ensonic@users.sf.net>
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*
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* gstladspa.h: Header for LADSPA plugin
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*
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@ -27,7 +28,7 @@
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G_BEGIN_DECLS
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extern GQuark descriptor_quark;
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extern GstStructure *ladspa_meta_all;
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G_END_DECLS
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@ -236,8 +236,8 @@ gst_ladspa_filter_type_init (GstLADSPAFilter * ladspa, LADSPA_Descriptor * desc)
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gst_base_transform_set_in_place (base,
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ladspa_class->ladspa.count.audio.in ==
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ladspa_class->ladspa.count.audio.out
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&& !LADSPA_IS_INPLACE_BROKEN (ladspa_class->ladspa.
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descriptor->Properties));
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&& !LADSPA_IS_INPLACE_BROKEN (ladspa_class->ladspa.descriptor->
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Properties));
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}
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@ -270,16 +270,11 @@ gst_ladspa_filter_type_finalize (GObject * object)
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static void
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gst_ladspa_filter_type_base_init (GstLADSPAFilterClass * ladspa_class)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (ladspa_class);
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GstElementClass *elem_class = GST_ELEMENT_CLASS (ladspa_class);
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GstAudioFilterClass *audio_class = GST_AUDIO_FILTER_CLASS (ladspa_class);
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LADSPA_Descriptor *desc;
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desc =
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g_type_get_qdata (G_OBJECT_CLASS_TYPE (object_class), descriptor_quark);
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g_assert (desc);
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gst_ladspa_class_init (&ladspa_class->ladspa, desc);
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gst_ladspa_class_init (&ladspa_class->ladspa,
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G_TYPE_FROM_CLASS (ladspa_class));
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gst_ladspa_element_class_set_metadata (&ladspa_class->ladspa, elem_class,
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GST_LADSPA_FILTER_CLASS_TAGS);
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@ -345,8 +340,7 @@ gst_ladspa_filter_class_init (GstLADSPAFilterClass * ladspa_class)
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* Construct the type.
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*/
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void
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ladspa_describe_filter_plugin (GstPlugin * plugin,
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const gchar * filename, const LADSPA_Descriptor * desc)
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ladspa_register_filter_element (GstPlugin * plugin, GstStructure * ladspa_meta)
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{
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GTypeInfo info = {
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sizeof (GstLADSPAFilterClass),
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@ -354,16 +348,11 @@ ladspa_describe_filter_plugin (GstPlugin * plugin,
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(GBaseFinalizeFunc) gst_ladspa_filter_type_base_finalize,
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(GClassInitFunc) gst_ladspa_filter_type_class_init,
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NULL,
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desc,
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NULL,
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sizeof (GstLADSPAFilter),
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0,
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(GInstanceInitFunc) gst_ladspa_filter_type_init,
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NULL
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};
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gchar *tmp;
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tmp = g_strdup_printf ("ladspa-%s-%s", filename, desc->Label);
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ladspa_register_plugin (plugin, GST_TYPE_LADSPA_FILTER, tmp, &info,
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descriptor_quark, filename, desc);
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g_free (tmp);
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ladspa_register_element (plugin, GST_TYPE_LADSPA_FILTER, &info, ladspa_meta);
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}
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@ -60,8 +60,7 @@ GType
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gst_ladspa_filter_get_type (void);
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void
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ladspa_describe_filter_plugin (GstPlugin * plugin,
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const gchar * filename, const LADSPA_Descriptor * desc);
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ladspa_register_filter_element (GstPlugin * plugin, GstStructure *ladspa_meta);
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void
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gst_my_audio_filter_class_add_pad_templates (GstAudioFilterClass * audio_class,
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@ -270,16 +270,11 @@ gst_ladspa_sink_type_finalize (GObject * object)
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static void
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gst_ladspa_sink_type_base_init (GstLADSPASinkClass * ladspa_class)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (ladspa_class);
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GstElementClass *elem_class = GST_ELEMENT_CLASS (ladspa_class);
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GstBaseSinkClass *base_class = GST_BASE_SINK_CLASS (ladspa_class);
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LADSPA_Descriptor *desc;
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desc =
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g_type_get_qdata (G_OBJECT_CLASS_TYPE (object_class), descriptor_quark);
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g_assert (desc);
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gst_ladspa_class_init (&ladspa_class->ladspa, desc);
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gst_ladspa_class_init (&ladspa_class->ladspa,
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G_TYPE_FROM_CLASS (ladspa_class));
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gst_ladspa_element_class_set_metadata (&ladspa_class->ladspa, elem_class,
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GST_LADSPA_SINK_CLASS_TAGS);
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@ -362,8 +357,7 @@ gst_ladspa_sink_class_init (GstLADSPASinkClass * ladspa_class)
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* Construct the type.
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*/
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void
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ladspa_describe_sink_plugin (GstPlugin * plugin,
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const gchar * filename, const LADSPA_Descriptor * desc)
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ladspa_register_sink_element (GstPlugin * plugin, GstStructure * ladspa_meta)
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{
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GTypeInfo info = {
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sizeof (GstLADSPASinkClass),
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@ -371,16 +365,11 @@ ladspa_describe_sink_plugin (GstPlugin * plugin,
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(GBaseFinalizeFunc) gst_ladspa_sink_type_base_finalize,
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(GClassInitFunc) gst_ladspa_sink_type_class_init,
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NULL,
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desc,
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NULL,
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sizeof (GstLADSPASink),
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0,
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(GInstanceInitFunc) gst_ladspa_sink_type_init,
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NULL
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};
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gchar *tmp;
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tmp = g_strdup_printf ("ladspasink-%s-%s", filename, desc->Label);
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ladspa_register_plugin (plugin, GST_TYPE_LADSPA_SINK, tmp, &info,
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descriptor_quark, filename, desc);
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g_free (tmp);
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ladspa_register_element (plugin, GST_TYPE_LADSPA_SINK, &info, ladspa_meta);
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}
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@ -66,8 +66,7 @@ GType
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gst_ladspa_sink_get_type (void);
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void
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ladspa_describe_sink_plugin (GstPlugin * plugin,
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const gchar * filename, const LADSPA_Descriptor * desc);
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ladspa_register_sink_element (GstPlugin * plugin, GstStructure *ladspa_meta);
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void
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gst_my_base_sink_class_add_pad_template (GstBaseSinkClass * base_class,
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@ -451,8 +451,7 @@ gst_ladspa_source_type_get_property (GObject * object, guint prop_id,
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}
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static void
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gst_ladspa_source_type_init (GstLADSPASource * ladspa,
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LADSPA_Descriptor * desc)
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gst_ladspa_source_type_init (GstLADSPASource * ladspa, LADSPA_Descriptor * desc)
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{
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GstLADSPASourceClass *ladspa_class = GST_LADSPA_SOURCE_GET_CLASS (ladspa);
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@ -500,16 +499,11 @@ gst_ladspa_source_type_finalize (GObject * object)
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static void
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gst_ladspa_source_type_base_init (GstLADSPASourceClass * ladspa_class)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (ladspa_class);
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GstElementClass *elem_class = GST_ELEMENT_CLASS (ladspa_class);
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GstBaseSrcClass *base_class = GST_BASE_SRC_CLASS (ladspa_class);
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LADSPA_Descriptor *desc;
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desc =
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g_type_get_qdata (G_OBJECT_CLASS_TYPE (object_class), descriptor_quark);
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g_assert (desc);
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gst_ladspa_class_init (&ladspa_class->ladspa, desc);
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gst_ladspa_class_init (&ladspa_class->ladspa,
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G_TYPE_FROM_CLASS (ladspa_class));
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gst_ladspa_element_class_set_metadata (&ladspa_class->ladspa, elem_class,
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GST_LADSPA_SOURCE_CLASS_TAGS);
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@ -531,27 +525,22 @@ gst_ladspa_source_type_class_init (GstLADSPASourceClass * ladspa_class,
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GObjectClass *object_class = (GObjectClass *) ladspa_class;
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GstBaseSrcClass *base_class = (GstBaseSrcClass *) ladspa_class;
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gst_ladspa_source_type_parent_class =
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g_type_class_peek_parent (ladspa_class);
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gst_ladspa_source_type_parent_class = g_type_class_peek_parent (ladspa_class);
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object_class->dispose =
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GST_DEBUG_FUNCPTR (gst_ladspa_source_type_dispose);
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object_class->finalize =
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GST_DEBUG_FUNCPTR (gst_ladspa_source_type_finalize);
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object_class->dispose = GST_DEBUG_FUNCPTR (gst_ladspa_source_type_dispose);
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object_class->finalize = GST_DEBUG_FUNCPTR (gst_ladspa_source_type_finalize);
|
||||
object_class->set_property =
|
||||
GST_DEBUG_FUNCPTR (gst_ladspa_source_type_set_property);
|
||||
object_class->get_property =
|
||||
GST_DEBUG_FUNCPTR (gst_ladspa_source_type_get_property);
|
||||
|
||||
base_class->set_caps =
|
||||
GST_DEBUG_FUNCPTR (gst_ladspa_source_type_set_caps);
|
||||
base_class->set_caps = GST_DEBUG_FUNCPTR (gst_ladspa_source_type_set_caps);
|
||||
base_class->fixate = GST_DEBUG_FUNCPTR (gst_ladspa_source_type_fixate);
|
||||
base_class->is_seekable =
|
||||
GST_DEBUG_FUNCPTR (gst_ladspa_source_type_is_seekable);
|
||||
base_class->do_seek = GST_DEBUG_FUNCPTR (gst_ladspa_source_type_do_seek);
|
||||
base_class->query = GST_DEBUG_FUNCPTR (gst_ladspa_source_type_query);
|
||||
base_class->get_times =
|
||||
GST_DEBUG_FUNCPTR (gst_ladspa_source_type_get_times);
|
||||
base_class->get_times = GST_DEBUG_FUNCPTR (gst_ladspa_source_type_get_times);
|
||||
base_class->start = GST_DEBUG_FUNCPTR (gst_ladspa_source_type_start);
|
||||
base_class->stop = GST_DEBUG_FUNCPTR (gst_ladspa_source_type_stop);
|
||||
base_class->fill = GST_DEBUG_FUNCPTR (gst_ladspa_source_type_fill);
|
||||
|
|
@ -609,8 +598,7 @@ gst_ladspa_source_class_init (GstLADSPASourceClass * ladspa_class)
|
|||
* Construct the type.
|
||||
*/
|
||||
void
|
||||
ladspa_describe_source_plugin (GstPlugin * plugin,
|
||||
const gchar * filename, const LADSPA_Descriptor * desc)
|
||||
ladspa_register_source_element (GstPlugin * plugin, GstStructure * ladspa_meta)
|
||||
{
|
||||
GTypeInfo info = {
|
||||
sizeof (GstLADSPASourceClass),
|
||||
|
|
@ -618,16 +606,11 @@ ladspa_describe_source_plugin (GstPlugin * plugin,
|
|||
(GBaseFinalizeFunc) gst_ladspa_source_type_base_finalize,
|
||||
(GClassInitFunc) gst_ladspa_source_type_class_init,
|
||||
NULL,
|
||||
desc,
|
||||
NULL,
|
||||
sizeof (GstLADSPASource),
|
||||
0,
|
||||
(GInstanceInitFunc) gst_ladspa_source_type_init,
|
||||
NULL
|
||||
};
|
||||
gchar *tmp;
|
||||
|
||||
tmp = g_strdup_printf ("ladspasrc-%s-%s", filename, desc->Label);
|
||||
ladspa_register_plugin (plugin, GST_TYPE_LADSPA_SOURCE, tmp, &info,
|
||||
descriptor_quark, filename, desc);
|
||||
g_free (tmp);
|
||||
ladspa_register_element (plugin, GST_TYPE_LADSPA_SOURCE, &info, ladspa_meta);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -78,8 +78,7 @@ GType
|
|||
gst_ladspa_source_get_type (void);
|
||||
|
||||
void
|
||||
ladspa_describe_source_plugin (GstPlugin * plugin,
|
||||
const gchar * filename, const LADSPA_Descriptor * desc);
|
||||
ladspa_register_source_element (GstPlugin * plugin, GstStructure *ladspa_meta);
|
||||
|
||||
void
|
||||
gst_my_base_source_class_add_pad_template (GstBaseSrcClass * base_class,
|
||||
|
|
|
|||
|
|
@ -2,7 +2,8 @@
|
|||
* Copyright (C) 1999 Erik Walthinsen <omega@cse.ogi.edu>
|
||||
* 2001 Steve Baker <stevebaker_org@yahoo.co.uk>
|
||||
* 2003 Andy Wingo <wingo at pobox.com>
|
||||
* Copyright (C) 2013 Juan Manuel Borges Caño <juanmabcmail@gmail.com>
|
||||
* 2013 Juan Manuel Borges Caño <juanmabcmail@gmail.com>
|
||||
* 2013 Stefan Sauer <ensonic@users.sf.net>
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Library General Public
|
||||
|
|
@ -49,6 +50,7 @@
|
|||
#include "config.h"
|
||||
#endif
|
||||
|
||||
#include "gstladspa.h"
|
||||
#include "gstladspautils.h"
|
||||
#include "gstladspafilter.h"
|
||||
#include "gstladspasource.h"
|
||||
|
|
@ -286,12 +288,10 @@ static gchar *
|
|||
gst_ladspa_object_class_get_param_name (GstLADSPAClass * ladspa_class,
|
||||
GObjectClass * object_class, unsigned long portnum)
|
||||
{
|
||||
LADSPA_Descriptor *desc;
|
||||
const LADSPA_Descriptor *desc = ladspa_class->descriptor;
|
||||
gchar *name, **namev, **v, *tmp;
|
||||
guint i;
|
||||
|
||||
desc = ladspa_class->descriptor;
|
||||
|
||||
/* beauty in the mess */
|
||||
name = g_strdup ("");
|
||||
namev = g_strsplit_set (desc->PortNames[portnum], "[]()", 0);
|
||||
|
|
@ -342,14 +342,12 @@ static GParamSpec *
|
|||
gst_ladspa_object_class_get_param_spec (GstLADSPAClass * ladspa_class,
|
||||
GObjectClass * object_class, unsigned long portnum)
|
||||
{
|
||||
LADSPA_Descriptor *desc;
|
||||
const LADSPA_Descriptor *desc = ladspa_class->descriptor;
|
||||
GParamSpec *ret;
|
||||
gchar *name;
|
||||
gint hintdesc, perms;
|
||||
gfloat lower, upper, def;
|
||||
|
||||
desc = ladspa_class->descriptor;
|
||||
|
||||
name =
|
||||
gst_ladspa_object_class_get_param_name (ladspa_class, object_class,
|
||||
portnum);
|
||||
|
|
@ -544,7 +542,7 @@ void
|
|||
gst_ladspa_element_class_set_metadata (GstLADSPAClass * ladspa_class,
|
||||
GstElementClass * elem_class, const gchar * ladspa_class_tags)
|
||||
{
|
||||
LADSPA_Descriptor *desc = ladspa_class->descriptor;
|
||||
const LADSPA_Descriptor *desc = ladspa_class->descriptor;
|
||||
gchar *longname, *author, *extra_ladspa_class_tags = NULL, *tmp;
|
||||
#ifdef HAVE_LRDF
|
||||
gchar *uri;
|
||||
|
|
@ -564,7 +562,7 @@ gst_ladspa_element_class_set_metadata (GstLADSPAClass * ladspa_class,
|
|||
"Andy Wingo <wingo at pobox.com>",
|
||||
"Steve Baker <stevebaker_org@yahoo.co.uk>",
|
||||
"Erik Walthinsen <omega@cse.ogi.edu>",
|
||||
"Stefan Kost <ensonic@users.sf.net>",
|
||||
"Stefan Sauer <ensonic@users.sf.net>",
|
||||
"Wim Taymans <wim@fluendo.com>", NULL);
|
||||
g_free (tmp);
|
||||
|
||||
|
|
@ -760,30 +758,35 @@ gst_ladspa_finalize (GstLADSPA * ladspa)
|
|||
}
|
||||
|
||||
void
|
||||
gst_ladspa_class_init (GstLADSPAClass * ladspa_class,
|
||||
LADSPA_Descriptor * descriptor)
|
||||
gst_ladspa_class_init (GstLADSPAClass * ladspa_class, GType type)
|
||||
{
|
||||
guint mapper;
|
||||
struct
|
||||
{
|
||||
struct
|
||||
{
|
||||
guint in, out;
|
||||
} control;
|
||||
struct
|
||||
{
|
||||
guint in, out;
|
||||
} audio;
|
||||
} count;
|
||||
guint mapper, ix;
|
||||
guint audio_in = 0, audio_out = 0, control_in = 0, control_out = 0;
|
||||
const GValue *value =
|
||||
gst_structure_get_value (ladspa_meta_all, g_type_name (type));
|
||||
GstStructure *ladspa_meta = g_value_get_boxed (value);
|
||||
const gchar *file_name;
|
||||
LADSPA_Descriptor_Function descriptor_function;
|
||||
|
||||
GST_DEBUG ("LADSPA initializing class");
|
||||
|
||||
ladspa_class->descriptor = descriptor;
|
||||
ladspa_class->properties = 1;
|
||||
file_name = gst_structure_get_string (ladspa_meta, "plugin-filename");
|
||||
ladspa_class->plugin =
|
||||
g_module_open (file_name, G_MODULE_BIND_LAZY | G_MODULE_BIND_LOCAL);
|
||||
g_module_symbol (ladspa_class->plugin, "ladspa_descriptor",
|
||||
(gpointer *) & descriptor_function);
|
||||
gst_structure_get_uint (ladspa_meta, "element-ix", &ix);
|
||||
|
||||
ladspa_count_ports (ladspa_class->descriptor, &ladspa_class->count.audio.in,
|
||||
&ladspa_class->count.audio.out, &ladspa_class->count.control.in,
|
||||
ladspa_class->descriptor = descriptor_function (ix);
|
||||
gst_structure_get_uint (ladspa_meta, "audio-in",
|
||||
&ladspa_class->count.audio.in);
|
||||
gst_structure_get_uint (ladspa_meta, "audio-out",
|
||||
&ladspa_class->count.audio.out);
|
||||
gst_structure_get_uint (ladspa_meta, "control-in",
|
||||
&ladspa_class->count.control.in);
|
||||
gst_structure_get_uint (ladspa_meta, "control-out",
|
||||
&ladspa_class->count.control.out);
|
||||
ladspa_class->properties = 1;
|
||||
|
||||
ladspa_class->map.audio.in =
|
||||
g_new0 (unsigned long, ladspa_class->count.audio.in);
|
||||
|
|
@ -795,29 +798,27 @@ gst_ladspa_class_init (GstLADSPAClass * ladspa_class,
|
|||
ladspa_class->map.control.out =
|
||||
g_new0 (unsigned long, ladspa_class->count.control.out);
|
||||
|
||||
count.audio.in = count.audio.out = count.control.in = count.control.out = 0;
|
||||
|
||||
for (mapper = 0; mapper < ladspa_class->descriptor->PortCount; mapper++) {
|
||||
LADSPA_PortDescriptor p = ladspa_class->descriptor->PortDescriptors[mapper];
|
||||
|
||||
if (LADSPA_IS_PORT_AUDIO (p)) {
|
||||
if (LADSPA_IS_PORT_INPUT (p))
|
||||
ladspa_class->map.audio.in[count.audio.in++] = mapper;
|
||||
ladspa_class->map.audio.in[audio_in++] = mapper;
|
||||
else
|
||||
ladspa_class->map.audio.out[count.audio.out++] = mapper;
|
||||
ladspa_class->map.audio.out[audio_out++] = mapper;
|
||||
} else if (LADSPA_IS_PORT_CONTROL (p)) {
|
||||
if (LADSPA_IS_PORT_INPUT (p))
|
||||
ladspa_class->map.control.in[count.control.in++] = mapper;
|
||||
ladspa_class->map.control.in[control_in++] = mapper;
|
||||
else
|
||||
ladspa_class->map.control.out[count.control.out++] = mapper;
|
||||
ladspa_class->map.control.out[control_out++] = mapper;
|
||||
}
|
||||
}
|
||||
|
||||
g_assert (count.control.out == ladspa_class->count.control.out);
|
||||
g_assert (count.control.in == ladspa_class->count.control.in);
|
||||
g_assert (control_out == ladspa_class->count.control.out);
|
||||
g_assert (control_in == ladspa_class->count.control.in);
|
||||
|
||||
g_assert (count.audio.out == ladspa_class->count.audio.out);
|
||||
g_assert (count.audio.in == ladspa_class->count.audio.in);
|
||||
g_assert (audio_out == ladspa_class->count.audio.out);
|
||||
g_assert (audio_in == ladspa_class->count.audio.in);
|
||||
}
|
||||
|
||||
void
|
||||
|
|
@ -834,61 +835,21 @@ gst_ladspa_class_finalize (GstLADSPAClass * ladspa_class)
|
|||
ladspa_class->map.audio.out = NULL;
|
||||
g_free (ladspa_class->map.audio.in);
|
||||
ladspa_class->map.audio.in = NULL;
|
||||
}
|
||||
|
||||
void
|
||||
ladspa_count_ports (const LADSPA_Descriptor * descriptor,
|
||||
guint * audio_in, guint * audio_out, guint * control_in,
|
||||
guint * control_out)
|
||||
{
|
||||
guint i;
|
||||
|
||||
*audio_in = *audio_out = *control_in = *control_out = 0;
|
||||
|
||||
for (i = 0; i < descriptor->PortCount; i++) {
|
||||
LADSPA_PortDescriptor p = descriptor->PortDescriptors[i];
|
||||
|
||||
if (LADSPA_IS_PORT_AUDIO (p)) {
|
||||
if (LADSPA_IS_PORT_INPUT (p))
|
||||
(*audio_in)++;
|
||||
else
|
||||
(*audio_out)++;
|
||||
} else if (LADSPA_IS_PORT_CONTROL (p)) {
|
||||
if (LADSPA_IS_PORT_INPUT (p))
|
||||
(*control_in)++;
|
||||
else
|
||||
(*control_out)++;
|
||||
}
|
||||
}
|
||||
g_module_close (ladspa_class->plugin);
|
||||
ladspa_class->plugin = NULL;
|
||||
}
|
||||
|
||||
/*
|
||||
* Register the type.
|
||||
* Create the type & register the element.
|
||||
*/
|
||||
void
|
||||
ladspa_register_plugin (GstPlugin * plugin, GType parent_type,
|
||||
const gchar * tmp, const GTypeInfo * info, GQuark descriptor_quark,
|
||||
const gchar * filename, const LADSPA_Descriptor * desc)
|
||||
ladspa_register_element (GstPlugin * plugin, GType parent_type,
|
||||
const GTypeInfo * info, GstStructure * ladspa_meta)
|
||||
{
|
||||
gchar *name;
|
||||
GType type;
|
||||
const gchar *type_name =
|
||||
gst_structure_get_string (ladspa_meta, "element-type-name");
|
||||
|
||||
name = g_ascii_strdown (tmp, -1);
|
||||
g_strcanon (name, G_CSET_A_2_Z G_CSET_a_2_z G_CSET_DIGITS "-+", '-');
|
||||
|
||||
/* if it's not already registered, do it */
|
||||
if (!g_type_from_name (name)) {
|
||||
/* create the type now */
|
||||
type = g_type_register_static (parent_type, name, info, 0);
|
||||
|
||||
/* base init is expected to initialize dynamic data */
|
||||
g_type_set_qdata (type, descriptor_quark, (gpointer) desc);
|
||||
|
||||
/* register the element */
|
||||
gst_element_register (plugin, name, GST_RANK_NONE, type);
|
||||
} else
|
||||
GST_WARNING ("Plugin identifier collision for %s (%s:%lu/%s)", name,
|
||||
filename, desc->UniqueID, desc->Label);
|
||||
|
||||
g_free (name);
|
||||
gst_element_register (plugin, type_name, GST_RANK_NONE,
|
||||
g_type_register_static (parent_type, type_name, info, 0));
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,5 +1,6 @@
|
|||
/* GStreamer
|
||||
* Copyright (C) 2013 Juan Manuel Borges Caño <juanmabcmail@gmail.com>
|
||||
* 2013 Stefan Sauer <ensonic@users.sf.net>
|
||||
*
|
||||
* gstladspautils.h: Header for LADSPA plugin utils
|
||||
*
|
||||
|
|
@ -22,6 +23,7 @@
|
|||
#ifndef __GST_LADSPA_UTILS_H__
|
||||
#define __GST_LADSPA_UTILS_H__
|
||||
|
||||
#include <gmodule.h>
|
||||
#include <gst/gst.h>
|
||||
#include <gst/audio/gstaudiofilter.h>
|
||||
#include <gst/base/gstbasesrc.h>
|
||||
|
|
@ -63,7 +65,8 @@ struct _GstLADSPAClass
|
|||
{
|
||||
guint properties;
|
||||
|
||||
LADSPA_Descriptor *descriptor;
|
||||
GModule *plugin;
|
||||
const LADSPA_Descriptor *descriptor;
|
||||
|
||||
struct
|
||||
{
|
||||
|
|
@ -141,19 +144,14 @@ void
|
|||
gst_ladspa_finalize (GstLADSPA * ladspa);
|
||||
|
||||
void
|
||||
gst_ladspa_class_init (GstLADSPAClass * ladspa_class, LADSPA_Descriptor * desc);
|
||||
gst_ladspa_class_init (GstLADSPAClass * ladspa_class, GType type);
|
||||
|
||||
void
|
||||
gst_ladspa_class_finalize (GstLADSPAClass * ladspa_class);
|
||||
|
||||
void
|
||||
ladspa_count_ports (const LADSPA_Descriptor * desc, guint * audio_in,
|
||||
guint * audio_out, guint * control_in, guint * control_out);
|
||||
|
||||
void
|
||||
ladspa_register_plugin (GstPlugin * plugin, GType parent_type,
|
||||
const gchar * tmp, const GTypeInfo * info, GQuark descriptor_quark,
|
||||
const gchar * filename, const LADSPA_Descriptor * desc);
|
||||
ladspa_register_element (GstPlugin * plugin, GType parent_type,
|
||||
const GTypeInfo * info, GstStructure * ladspa_meta);
|
||||
|
||||
G_END_DECLS
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue