gstreamer/ext/ladspa/gstladspautils.h
Stefan Sauer f65bdac49b 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.
2013-05-28 10:27:17 +02:00

158 lines
3.5 KiB
C

/* 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
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#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>
#include <gst/base/gstbasesink.h>
#include <ladspa.h>
G_BEGIN_DECLS
typedef struct _GstLADSPA GstLADSPA;
typedef struct _GstLADSPAClass GstLADSPAClass;
struct _GstLADSPA
{
GstLADSPAClass *klass;
LADSPA_Handle *handle;
gboolean activated;
unsigned long rate;
struct
{
struct
{
LADSPA_Data *in;
LADSPA_Data *out;
} control;
struct
{
LADSPA_Data **in;
LADSPA_Data **out;
} audio;
} ports;
};
struct _GstLADSPAClass
{
guint properties;
GModule *plugin;
const LADSPA_Descriptor *descriptor;
struct
{
struct
{
guint in;
guint out;
} control;
struct
{
guint in;
guint out;
} audio;
} count;
struct
{
struct
{
unsigned long *in;
unsigned long *out;
} control;
struct
{
unsigned long *in;
unsigned long *out;
} audio;
} map;
};
gboolean
gst_ladspa_transform (GstLADSPA * ladspa, guint8 * outdata, guint samples,
guint8 * indata);
gboolean
gst_ladspa_setup (GstLADSPA * ladspa, unsigned long rate);
gboolean
gst_ladspa_cleanup (GstLADSPA * ladspa);
void
gst_ladspa_object_set_property (GstLADSPA * ladspa, GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec);
void
gst_ladspa_object_get_property (GstLADSPA * ladspa, GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec);
void
gst_ladspa_object_class_install_properties (GstLADSPAClass * ladspa_class,
GObjectClass * object_class, guint offset);
void
gst_ladspa_element_class_set_metadata (GstLADSPAClass * ladspa_class,
GstElementClass * elem_class, const gchar * ladspa_class_tags);
void
gst_ladspa_filter_type_class_add_pad_templates (GstLADSPAClass * ladspa_class,
GstAudioFilterClass * audio_class);
void
gst_ladspa_source_type_class_add_pad_template (GstLADSPAClass * ladspa_class,
GstBaseSrcClass * audio_class);
void
gst_ladspa_sink_type_class_add_pad_template (GstLADSPAClass * ladspa_class,
GstBaseSinkClass * base_class);
void
gst_ladspa_init (GstLADSPA * ladspa, GstLADSPAClass * ladspa_class);
void
gst_ladspa_finalize (GstLADSPA * ladspa);
void
gst_ladspa_class_init (GstLADSPAClass * ladspa_class, GType type);
void
gst_ladspa_class_finalize (GstLADSPAClass * ladspa_class);
void
ladspa_register_element (GstPlugin * plugin, GType parent_type,
const GTypeInfo * info, GstStructure * ladspa_meta);
G_END_DECLS
#endif /* __GST_LADSPA_UTILS_H__ */