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/* GSequencer - Advanced GTK Sequencer
* Copyright (C) 2005-2023 Joël Krähemann
*
* This file is part of GSequencer.
*
* GSequencer is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GSequencer 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GSequencer. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __AGS_LV2_PLUGIN_H__
#define __AGS_LV2_PLUGIN_H__
#include <glib.h>
#include <glib-object.h>
#include <stdarg.h>
#include <ags/libags.h>
#include <ags/plugin/ags_base_plugin.h>
#include <alsa/seq_midi_event.h>
#include <lv2.h>
#include <lv2/lv2plug.in/ns/ext/event/event.h>
#include <lv2/lv2plug.in/ns/ext/atom/atom.h>
#include <lv2/lv2plug.in/ns/ext/atom/forge.h>
#include <lv2/lv2plug.in/ns/ext/atom/util.h>
#include <lv2/lv2plug.in/ns/ext/midi/midi.h>
#include <lv2/lv2plug.in/ns/ext/uri-map/uri-map.h>
#include <lv2/lv2plug.in/ns/ext/worker/worker.h>
#include <lv2/lv2plug.in/ns/ext/log/log.h>
#include <lv2/lv2plug.in/ns/ext/event/event.h>
#include <lv2/lv2plug.in/ns/ext/parameters/parameters.h>
#include <lv2/lv2plug.in/ns/ext/buf-size/buf-size.h>
#include <lv2/lv2plug.in/ns/ext/options/options.h>
G_BEGIN_DECLS
#define AGS_TYPE_LV2_PLUGIN (ags_lv2_plugin_get_type())
#define AGS_LV2_PLUGIN(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), AGS_TYPE_LV2_PLUGIN, AgsLv2Plugin))
#define AGS_LV2_PLUGIN_CLASS(class) (G_TYPE_CHECK_CLASS_CAST((class), AGS_TYPE_LV2_PLUGIN, AgsLv2PluginClass))
#define AGS_IS_LV2_PLUGIN(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), AGS_TYPE_LV2_PLUGIN))
#define AGS_IS_LV2_PLUGIN_CLASS(class) (G_TYPE_CHECK_CLASS_TYPE ((class), AGS_TYPE_LV2_PLUGIN))
#define AGS_LV2_PLUGIN_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), AGS_TYPE_LV2_PLUGIN, AgsLv2PluginClass))
#define AGS_LV2_PLUGIN_DESCRIPTOR(ptr) ((LV2_Descriptor *)(ptr))
#define AGS_LV2_EVENT_BUFFER(ptr) ((LV2_Event_Buffer *)(ptr))
#define AGS_LV2_EVENT(ptr) ((LV2_Event *)(ptr))
#define AGS_LV2_EVENT_DATA(ptr) ((void *)(ptr + sizeof(LV2_Event)))
#define AGS_LV2_ATOM_SEQUENCE(ptr) ((LV2_Atom_Sequence *)(ptr))
#define AGS_LV2_ATOM_EVENT(ptr) ((LV2_Atom_Event *)(ptr))
typedef struct _AgsLv2Plugin AgsLv2Plugin;
typedef struct _AgsLv2PluginClass AgsLv2PluginClass;
/**
* AgsLv2PluginFlags:
* @AGS_LV2_PLUGIN_IS_SYNTHESIZER: plugin is synthesizer
* @AGS_LV2_PLUGIN_NEEDS_WORKER: plugin needs worker
* @AGS_LV2_PLUGIN_HAS_PROGRAM_INTERFACE: plugin has program interface
*
* Enum values to control the behavior or indicate internal state of #AgsLv2Plugin by
* enable/disable as flags.
*/
typedef enum{
AGS_LV2_PLUGIN_IS_SYNTHESIZER = 1,
AGS_LV2_PLUGIN_NEEDS_WORKER = 1 << 1,
AGS_LV2_PLUGIN_HAS_PROGRAM_INTERFACE = 1 << 2,
}AgsLv2PluginFlags;
struct _AgsLv2Plugin
{
AgsBasePlugin base_plugin;
guint flags;
gchar *pname;
gchar *uri;
gchar *ui_uri;
AgsTurtle *manifest;
AgsTurtle *turtle;
gchar *doap_name;
gchar *foaf_name;
gchar *foaf_homepage;
gchar *foaf_mbox;
LV2_Feature **feature;
gchar *program;
GList *preset;
};
struct _AgsLv2PluginClass
{
AgsBasePluginClass base_plugin;
void (*change_program)(AgsLv2Plugin *lv2_plugin,
gpointer lv2_handle,
guint bank_index,
guint program_index);
};
GType ags_lv2_plugin_get_type(void);
GType ags_lv2_plugin_flags_get_type();
gboolean ags_lv2_plugin_test_flags(AgsLv2Plugin *lv2_plugin, AgsLv2PluginFlags flags);
void ags_lv2_plugin_set_flags(AgsLv2Plugin *lv2_plugin, AgsLv2PluginFlags flags);
void ags_lv2_plugin_unset_flags(AgsLv2Plugin *lv2_plugin, AgsLv2PluginFlags flags);
LV2_Event_Buffer* ags_lv2_plugin_event_buffer_alloc(guint buffer_size);
void ags_lv2_plugin_event_buffer_free(gpointer event_buffer);
void ags_lv2_plugin_event_buffer_realloc_data(LV2_Event_Buffer *event_buffer,
guint buffer_size);
LV2_Event_Buffer* ags_lv2_plugin_event_buffer_concat(LV2_Event_Buffer *event_buffer, ...);
gboolean ags_lv2_plugin_event_buffer_append_midi(gpointer event_buffer,
guint buffer_size,
snd_seq_event_t *events,
guint event_count);
gboolean ags_lv2_plugin_event_buffer_remove_midi(gpointer event_buffer,
guint buffer_size,
guint note);
void ags_lv2_plugin_clear_event_buffer(gpointer event_buffer,
guint buffer_size);
gpointer ags_lv2_plugin_alloc_atom_sequence(guint sequence_size);
void ags_lv2_plugin_atom_sequence_free(gpointer atom_sequence);
gboolean ags_lv2_plugin_atom_sequence_append_midi(gpointer atom_sequence,
guint sequence_size,
snd_seq_event_t *events,
guint event_count);
gboolean ags_lv2_plugin_atom_sequence_remove_midi(gpointer atom_sequence,
guint sequence_size,
guint note);
void ags_lv2_plugin_clear_atom_sequence(gpointer atom_sequence,
guint sequence_size);
GList* ags_lv2_plugin_find_uri(GList *lv2_plugin,
gchar *uri);
GList* ags_lv2_plugin_find_pname(GList *lv2_plugin,
gchar *pname);
void ags_lv2_plugin_change_program(AgsLv2Plugin *lv2_plugin,
gpointer lv2_handle,
guint bank_index,
guint program_index);
AgsLv2Plugin* ags_lv2_plugin_new(AgsTurtle *turtle, gchar *filename, gchar *effect, gchar *uri, guint effect_index);
G_END_DECLS
#endif /*__AGS_LV2_PLUGIN_H__*/
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