Commit f65bdac4 authored by Stefan Sauer's avatar Stefan Sauer

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.
parent 407f3e18
......@@ -130,7 +130,6 @@
#include "gstladspasink.h"
#include <gst/gst-i18n-plugin.h>
#include <gmodule.h>
#include <string.h>
#include <ladspa.h>
#ifdef HAVE_LRDF
......@@ -153,29 +152,107 @@ GST_DEBUG_CATEGORY (ladspa_debug);
"/usr/local/lib/ladspa" G_SEARCHPATH_SEPARATOR_S \
LIBDIR "/ladspa"
GQuark descriptor_quark = 0;
GstStructure *ladspa_meta_all = NULL;
static void
ladspa_describe_plugin (GstPlugin * plugin,
const gchar * filename, LADSPA_Descriptor_Function descriptor_function)
ladspa_plugin_register_element (GstPlugin * plugin, GstStructure * ladspa_meta)
{
guint audio_in, audio_out;
gst_structure_get_uint (ladspa_meta, "audio-in", &audio_in);
gst_structure_get_uint (ladspa_meta, "audio-out", &audio_out);
if (audio_in == 0) {
ladspa_register_source_element (plugin, ladspa_meta);
} else if (audio_out == 0) {
ladspa_register_sink_element (plugin, ladspa_meta);
} else {
ladspa_register_filter_element (plugin, ladspa_meta);
}
}
static 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)++;
}
}
}
static void
ladspa_describe_plugin (const gchar * file_name, const gchar * entry_name,
LADSPA_Descriptor_Function descriptor_function)
{
const LADSPA_Descriptor *desc;
guint i;
/* walk through all the plugins in this plugin library */
for (i = 0; (desc = descriptor_function (i)); i++) {
GstStructure *ladspa_meta = NULL;
GValue value = { 0, };
gchar *tmp;
gchar *type_name;
guint audio_in, audio_out, control_in, control_out;
/* count ports of this plugin */
ladspa_count_ports (desc, &audio_in, &audio_out, &control_in, &control_out);
/* categorize and register it */
if (audio_in == 0)
ladspa_describe_source_plugin (plugin, filename, desc);
else if (audio_out == 0)
ladspa_describe_sink_plugin (plugin, filename, desc);
else
ladspa_describe_filter_plugin (plugin, filename, desc);
/* categorize */
if (audio_in == 0 && audio_out == 0) {
GST_WARNING ("Skipping control only element (%s:%lu/%s)",
entry_name, desc->UniqueID, desc->Label);
continue;
} else if (audio_in == 0) {
tmp = g_strdup_printf ("ladspasrc-%s-%s", entry_name, desc->Label);
} else if (audio_out == 0) {
tmp = g_strdup_printf ("ladspasink-%s-%s", entry_name, desc->Label);
} else {
tmp = g_strdup_printf ("ladspa-%s-%s", entry_name, desc->Label);
}
type_name = g_ascii_strdown (tmp, -1);
g_free (tmp);
g_strcanon (type_name, G_CSET_A_2_Z G_CSET_a_2_z G_CSET_DIGITS "-+", '-');
/* check if the type is already registered */
if (g_type_from_name (type_name)) {
GST_WARNING ("Plugin identifier collision for %s (%s:%lu/%s)", type_name,
entry_name, desc->UniqueID, desc->Label);
g_free (type_name);
continue;
}
ladspa_meta = gst_structure_new_empty ("ladspa");
gst_structure_set (ladspa_meta,
"plugin-filename", G_TYPE_STRING, file_name,
"element-ix", G_TYPE_UINT, i,
"element-type-name", G_TYPE_STRING, type_name,
"audio-in", G_TYPE_UINT, audio_in,
"audio-out", G_TYPE_UINT, audio_out,
"control-in", G_TYPE_UINT, control_in,
"control-out", G_TYPE_UINT, control_out, NULL);
g_value_init (&value, GST_TYPE_STRUCTURE);
g_value_set_boxed (&value, ladspa_meta);
gst_structure_set_value (ladspa_meta_all, type_name, &value);
g_value_unset (&value);
}
}
......@@ -235,7 +312,7 @@ ladspa_plugin_directory_search (GstPlugin * ladspa_plugin, const char *dir_name)
(gpointer *) & descriptor_function)) {
/* we've found a ladspa_descriptor function, now introspect it. */
GST_INFO ("describe %s", file_name);
ladspa_describe_plugin (ladspa_plugin, entry_name, descriptor_function);
ladspa_describe_plugin (file_name, entry_name, descriptor_function);
ok = TRUE;
} else {
/* it was a library, but not a LADSPA one. Unload it. */
......@@ -322,6 +399,9 @@ ladspa_plugin_path_search (GstPlugin * plugin)
static gboolean
plugin_init (GstPlugin * plugin)
{
gboolean res = FALSE;
gint n = 0;
#ifdef ENABLE_NLS
GST_DEBUG ("binding text domain %s to locale dir %s", GETTEXT_PACKAGE,
LOCALEDIR);
......@@ -331,8 +411,6 @@ plugin_init (GstPlugin * plugin)
GST_DEBUG_CATEGORY_INIT (ladspa_debug, "ladspa", 0, "LADSPA plugins");
descriptor_quark = g_quark_from_static_string ("ladspa-descriptor");
gst_plugin_add_dependency_simple (plugin,
"LADSPA_PATH",
GST_LADSPA_DEFAULT_PATH, NULL, GST_PLUGIN_DEPENDENCY_FLAG_NONE);
......@@ -341,8 +419,44 @@ plugin_init (GstPlugin * plugin)
lrdf_init ();
#endif
if (!ladspa_plugin_path_search (plugin))
ladspa_meta_all = (GstStructure *) gst_plugin_get_cache_data (plugin);
if (ladspa_meta_all) {
n = gst_structure_n_fields (ladspa_meta_all);
}
GST_INFO ("%d entries in cache", n);
if (!n) {
ladspa_meta_all = gst_structure_new_empty ("ladspa");
res = ladspa_plugin_path_search (plugin);
if (res) {
n = gst_structure_n_fields (ladspa_meta_all);
GST_INFO ("%d entries after scanning", n);
gst_plugin_set_cache_data (plugin, ladspa_meta_all);
}
} else {
res = TRUE;
}
if (n) {
gint i;
const gchar *name;
const GValue *value;
GST_INFO ("register types");
for (i = 0; i < n; i++) {
name = gst_structure_nth_field_name (ladspa_meta_all, i);
value = gst_structure_get_value (ladspa_meta_all, name);
if (G_VALUE_TYPE (value) == GST_TYPE_STRUCTURE) {
GstStructure *ladspa_meta = g_value_get_boxed (value);
ladspa_plugin_register_element (plugin, ladspa_meta);
}
}
}
if (!res) {
GST_WARNING ("no LADSPA plugins found, check LADSPA_PATH");
}
/* we don't want to fail, even if there are no elements registered */
return TRUE;
......
/* GStreamer
* Copyright (C) 1999 Erik Walthinsen <omega@cse.ogi.edu>
* Copyright (C) 2013 Juan Manuel Borges Caño <juanmabcmail@gmail.com>
* 2013 Stefan Sauer <ensonic@users.sf.net>
*
* gstladspa.h: Header for LADSPA plugin
*
......@@ -27,7 +28,7 @@
G_BEGIN_DECLS
extern GQuark descriptor_quark;
extern GstStructure *ladspa_meta_all;
G_END_DECLS
......
......@@ -236,8 +236,8 @@ gst_ladspa_filter_type_init (GstLADSPAFilter * ladspa, LADSPA_Descriptor * desc)
gst_base_transform_set_in_place (base,
ladspa_class->ladspa.count.audio.in ==
ladspa_class->ladspa.count.audio.out
&& !LADSPA_IS_INPLACE_BROKEN (ladspa_class->ladspa.
descriptor->Properties));
&& !LADSPA_IS_INPLACE_BROKEN (ladspa_class->ladspa.descriptor->
Properties));
}
......@@ -270,16 +270,11 @@ gst_ladspa_filter_type_finalize (GObject * object)
static void
gst_ladspa_filter_type_base_init (GstLADSPAFilterClass * ladspa_class)
{
GObjectClass *object_class = G_OBJECT_CLASS (ladspa_class);
GstElementClass *elem_class = GST_ELEMENT_CLASS (ladspa_class);
GstAudioFilterClass *audio_class = GST_AUDIO_FILTER_CLASS (ladspa_class);
LADSPA_Descriptor *desc;
desc =
g_type_get_qdata (G_OBJECT_CLASS_TYPE (object_class), descriptor_quark);
g_assert (desc);
gst_ladspa_class_init (&ladspa_class->ladspa, desc);
gst_ladspa_class_init (&ladspa_class->ladspa,
G_TYPE_FROM_CLASS (ladspa_class));
gst_ladspa_element_class_set_metadata (&ladspa_class->ladspa, elem_class,
GST_LADSPA_FILTER_CLASS_TAGS);
......@@ -345,8 +340,7 @@ gst_ladspa_filter_class_init (GstLADSPAFilterClass * ladspa_class)
* Construct the type.
*/
void
ladspa_describe_filter_plugin (GstPlugin * plugin,
const gchar * filename, const LADSPA_Descriptor * desc)
ladspa_register_filter_element (GstPlugin * plugin, GstStructure * ladspa_meta)
{
GTypeInfo info = {
sizeof (GstLADSPAFilterClass),
......@@ -354,16 +348,11 @@ ladspa_describe_filter_plugin (GstPlugin * plugin,
(GBaseFinalizeFunc) gst_ladspa_filter_type_base_finalize,
(GClassInitFunc) gst_ladspa_filter_type_class_init,
NULL,
desc,
NULL,
sizeof (GstLADSPAFilter),
0,
(GInstanceInitFunc) gst_ladspa_filter_type_init,
NULL
};
gchar *tmp;
tmp = g_strdup_printf ("ladspa-%s-%s", filename, desc->Label);
ladspa_register_plugin (plugin, GST_TYPE_LADSPA_FILTER, tmp, &info,
descriptor_quark, filename, desc);
g_free (tmp);
ladspa_register_element (plugin, GST_TYPE_LADSPA_FILTER, &info, ladspa_meta);
}
......@@ -60,8 +60,7 @@ GType
gst_ladspa_filter_get_type (void);
void
ladspa_describe_filter_plugin (GstPlugin * plugin,
const gchar * filename, const LADSPA_Descriptor * desc);
ladspa_register_filter_element (GstPlugin * plugin, GstStructure *ladspa_meta);
void
gst_my_audio_filter_class_add_pad_templates (GstAudioFilterClass * audio_class,
......
......@@ -270,16 +270,11 @@ gst_ladspa_sink_type_finalize (GObject * object)
static void
gst_ladspa_sink_type_base_init (GstLADSPASinkClass * ladspa_class)
{
GObjectClass *object_class = G_OBJECT_CLASS (ladspa_class);
GstElementClass *elem_class = GST_ELEMENT_CLASS (ladspa_class);
GstBaseSinkClass *base_class = GST_BASE_SINK_CLASS (ladspa_class);
LADSPA_Descriptor *desc;
desc =
g_type_get_qdata (G_OBJECT_CLASS_TYPE (object_class), descriptor_quark);
g_assert (desc);
gst_ladspa_class_init (&ladspa_class->ladspa, desc);
gst_ladspa_class_init (&ladspa_class->ladspa,
G_TYPE_FROM_CLASS (ladspa_class));
gst_ladspa_element_class_set_metadata (&ladspa_class->ladspa, elem_class,
GST_LADSPA_SINK_CLASS_TAGS);
......@@ -362,8 +357,7 @@ gst_ladspa_sink_class_init (GstLADSPASinkClass * ladspa_class)
* Construct the type.
*/
void
ladspa_describe_sink_plugin (GstPlugin * plugin,
const gchar * filename, const LADSPA_Descriptor * desc)
ladspa_register_sink_element (GstPlugin * plugin, GstStructure * ladspa_meta)
{
GTypeInfo info = {
sizeof (GstLADSPASinkClass),
......@@ -371,16 +365,11 @@ ladspa_describe_sink_plugin (GstPlugin * plugin,
(GBaseFinalizeFunc) gst_ladspa_sink_type_base_finalize,
(GClassInitFunc) gst_ladspa_sink_type_class_init,
NULL,
desc,
NULL,
sizeof (GstLADSPASink),
0,
(GInstanceInitFunc) gst_ladspa_sink_type_init,
NULL
};
gchar *tmp;
tmp = g_strdup_printf ("ladspasink-%s-%s", filename, desc->Label);
ladspa_register_plugin (plugin, GST_TYPE_LADSPA_SINK, tmp, &info,
descriptor_quark, filename, desc);
g_free (tmp);
ladspa_register_element (plugin, GST_TYPE_LADSPA_SINK, &info, ladspa_meta);
}
......@@ -66,8 +66,7 @@ GType
gst_ladspa_sink_get_type (void);
void
ladspa_describe_sink_plugin (GstPlugin * plugin,
const gchar * filename, const LADSPA_Descriptor * desc);
ladspa_register_sink_element (GstPlugin * plugin, GstStructure *ladspa_meta);
void
gst_my_base_sink_class_add_pad_template (GstBaseSinkClass * base_class,
......
......@@ -451,8 +451,7 @@ gst_ladspa_source_type_get_property (GObject * object, guint prop_id,
}
static void
gst_ladspa_source_type_init (GstLADSPASource * ladspa,
LADSPA_Descriptor * desc)
gst_ladspa_source_type_init (GstLADSPASource * ladspa, LADSPA_Descriptor * desc)
{
GstLADSPASourceClass *ladspa_class = GST_LADSPA_SOURCE_GET_CLASS (ladspa);
......@@ -500,16 +499,11 @@ gst_ladspa_source_type_finalize (GObject * object)
static void
gst_ladspa_source_type_base_init (GstLADSPASourceClass * ladspa_class)
{
GObjectClass *object_class = G_OBJECT_CLASS (ladspa_class);
GstElementClass *elem_class = GST_ELEMENT_CLASS (ladspa_class);
GstBaseSrcClass *base_class = GST_BASE_SRC_CLASS (ladspa_class);
LADSPA_Descriptor *desc;
desc =
g_type_get_qdata (G_OBJECT_CLASS_TYPE (object_class), descriptor_quark);
g_assert (desc);
gst_ladspa_class_init (&ladspa_class->ladspa, desc);
gst_ladspa_class_init (&ladspa_class->ladspa,
G_TYPE_FROM_CLASS (ladspa_class));
gst_ladspa_element_class_set_metadata (&ladspa_class->ladspa, elem_class,
GST_LADSPA_SOURCE_CLASS_TAGS);
......@@ -531,27 +525,22 @@ gst_ladspa_source_type_class_init (GstLADSPASourceClass * ladspa_class,
GObjectClass *object_class = (GObjectClass *) ladspa_class;
GstBaseSrcClass *base_class = (GstBaseSrcClass *) ladspa_class;
gst_ladspa_source_type_parent_class =
g_type_class_peek_parent (ladspa_class);
gst_ladspa_source_type_parent_class = g_type_class_peek_parent (ladspa_class);
object_class->dispose =
GST_DEBUG_FUNCPTR (gst_ladspa_source_type_dispose);
object_class->finalize =
GST_DEBUG_FUNCPTR (gst_ladspa_source_type_finalize);
object_class->dispose = GST_DEBUG_FUNCPTR (gst_ladspa_source_type_dispose);
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;
ladspa_count_ports (ladspa_class->descriptor, &ladspa_class->count.audio.in,
&ladspa_class->count.audio.out, &ladspa_class->count.control.in,
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_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;
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);
const gchar *type_name =
gst_structure_get_string (ladspa_meta, "element-type-name");
/* 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));
}
/* 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
......
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