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95 lines
2.5 KiB
C
95 lines
2.5 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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*
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* gstladspa.h: Header for LV2 plugin
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_LV2_H__
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#define __GST_LV2_H__
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#include <slv2/slv2.h>
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#include <gst/gst.h>
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#include <gst/signalprocessor/gstsignalprocessor.h>
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G_BEGIN_DECLS
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typedef struct _lv2_control_info {
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gchar *name;
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gchar *param_name;
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gfloat lowerbound, upperbound;
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gfloat def;
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gboolean lower, upper, samplerate;
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gboolean toggled, logarithmic, integer, writable;
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} lv2_control_info;
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typedef struct _GstLV2 GstLV2;
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typedef struct _GstLV2Class GstLV2Class;
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typedef struct _GstLV2Group GstLV2Group;
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typedef struct _GstLV2Port GstLV2Port;
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struct _GstLV2 {
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GstSignalProcessor parent;
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SLV2Plugin plugin;
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SLV2Instance instance;
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gboolean activated;
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};
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struct _GstLV2Group {
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SLV2Value uri; /**< RDF resource (URI or blank node) */
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guint pad; /**< Gst pad index */
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SLV2Value symbol; /**< Gst pad name / LV2 group symbol */
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GArray *ports; /**< Array of GstLV2Port */
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gboolean has_roles; /**< TRUE iff all ports have a known role */
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};
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struct _GstLV2Port {
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gint index; /**< LV2 port index (on LV2 plugin) */
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gint pad; /**< Gst pad index (iff not part of a group) */
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SLV2Value role; /**< Channel position / port role */
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GstAudioChannelPosition position; /**< Channel position */
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};
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struct _GstLV2Class {
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GstSignalProcessorClass parent_class;
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SLV2Plugin plugin;
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GArray *in_groups; /**< Array of GstLV2Group */
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GArray *out_groups; /**< Array of GstLV2Group */
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GArray *audio_in_ports; /**< Array of GstLV2Port */
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GArray *audio_out_ports; /**< Array of GstLV2Port */
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GArray *control_in_ports; /**< Array of GstLV2Port */
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GArray *control_out_ports; /**< Array of GstLV2Port */
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};
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G_END_DECLS
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#endif /* __GST_LV2_H__ */
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