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/* 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__ */
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