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/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* gstladspa.h: Header for LV2 plugin
*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_LV2_H__
#define __GST_LV2_H__
#include <slv2/slv2.h>
#include <gst/gst.h>
#include <gst/signalprocessor/gstsignalprocessor.h>
G_BEGIN_DECLS
typedef struct _lv2_control_info {
gchar *name;
gchar *param_name;
gfloat lowerbound, upperbound;
gfloat def;
gboolean lower, upper, samplerate;
gboolean toggled, logarithmic, integer, writable;
} lv2_control_info;
typedef struct _GstLV2 GstLV2;
typedef struct _GstLV2Class GstLV2Class;
typedef struct _GstLV2Group GstLV2Group;
typedef struct _GstLV2Port GstLV2Port;
struct _GstLV2 {
GstSignalProcessor parent;
SLV2Plugin plugin;
SLV2Instance instance;
gboolean activated;
};
struct _GstLV2Group {
SLV2Value uri; /**< RDF resource (URI or blank node) */
guint pad; /**< Gst pad index */
SLV2Value symbol; /**< Gst pad name / LV2 group symbol */
GArray *ports; /**< Array of GstLV2Port */
gboolean has_roles; /**< TRUE iff all ports have a known role */
};
struct _GstLV2Port {
gint index; /**< LV2 port index (on LV2 plugin) */
gint pad; /**< Gst pad index (iff not part of a group) */
SLV2Value role; /**< Channel position / port role */
GstAudioChannelPosition position; /**< Channel position */
};
struct _GstLV2Class {
GstSignalProcessorClass parent_class;
SLV2Plugin plugin;
GArray *in_groups; /**< Array of GstLV2Group */
GArray *out_groups; /**< Array of GstLV2Group */
GArray *audio_in_ports; /**< Array of GstLV2Port */
GArray *audio_out_ports; /**< Array of GstLV2Port */
GArray *control_in_ports; /**< Array of GstLV2Port */
GArray *control_out_ports; /**< Array of GstLV2Port */
};
G_END_DECLS
#endif /* __GST_LV2_H__ */
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