2 * factory.c -- the factory method interfaces
3 * Copyright (C) 2003-2004 Ushodaya Enterprises Limited
4 * Author: Dan Dennedy <dan@dennedy.org>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software Foundation,
18 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21 #include <framework/mlt.h>
30 #include "plugin_mgr.h"
32 extern mlt_filter filter_jackrack_init( mlt_profile profile, mlt_service_type type, const char *id, char *arg );
33 extern mlt_filter filter_ladspa_init( mlt_profile profile, mlt_service_type type, const char *id, char *arg );
35 plugin_mgr_t *g_jackrack_plugin_mgr = NULL;
37 static mlt_properties metadata( mlt_service_type type, const char *id, void *data )
39 char file[ PATH_MAX ];
40 snprintf( file, PATH_MAX, "%s/jackrack/filter_%s.yml",
41 mlt_environment( "MLT_DATA" ), strncmp( id, "ladspa.", 7 ) ? id : "ladspa" );
42 mlt_properties result = mlt_properties_parse_yaml( file );
44 if ( !strncmp( id, "ladspa.", 7 ) )
46 // Annotate the yaml properties with ladspa control port info.
47 plugin_desc_t *desc = plugin_mgr_get_any_desc( g_jackrack_plugin_mgr, strtol( id + 7, NULL, 10 ) );
51 mlt_properties params = mlt_properties_new();
56 mlt_properties_set( result, "identifier", id );
57 mlt_properties_set( result, "title", desc->name );
58 mlt_properties_set_data( result, "parameters", params, 0, (mlt_destructor) mlt_properties_close, NULL );
59 for ( i = 0; i < desc->control_port_count; i++ )
61 int j = desc->control_port_indicies[i];
62 LADSPA_Data sample_rate = 48000;
63 LADSPA_PortRangeHintDescriptor hint_descriptor = desc->port_range_hints[j].HintDescriptor;
65 p = mlt_properties_new();
66 snprintf( key, sizeof(key), "%d", i );
67 mlt_properties_set_data( params, key, p, 0, (mlt_destructor) mlt_properties_close, NULL );
68 snprintf( key, sizeof(key), "%d", j );
69 mlt_properties_set( p, "identifier", key );
70 mlt_properties_set( p, "title", desc->port_names[ j ] );
71 if ( LADSPA_IS_HINT_INTEGER( hint_descriptor ) )
73 mlt_properties_set( p, "type", "integer" );
74 mlt_properties_set_int( p, "default", plugin_desc_get_default_control_value( desc, j, sample_rate ) );
76 else if ( LADSPA_IS_HINT_TOGGLED( hint_descriptor ) )
78 mlt_properties_set( p, "type", "boolean" );
79 mlt_properties_set_int( p, "default", plugin_desc_get_default_control_value( desc, j, sample_rate ) );
83 mlt_properties_set( p, "type", "float" );
84 mlt_properties_set_double( p, "default", plugin_desc_get_default_control_value( desc, j, sample_rate ) );
86 /* set upper and lower, possibly adjusted to the sample rate */
87 if ( LADSPA_IS_HINT_BOUNDED_BELOW( hint_descriptor ) )
89 LADSPA_Data lower = desc->port_range_hints[j].LowerBound;
90 if ( LADSPA_IS_HINT_SAMPLE_RATE( hint_descriptor ) )
92 if ( LADSPA_IS_HINT_LOGARITHMIC( hint_descriptor ) )
94 if (lower < FLT_EPSILON)
97 mlt_properties_set_double( p, "minimum", lower );
99 if ( LADSPA_IS_HINT_BOUNDED_ABOVE( hint_descriptor ) )
101 LADSPA_Data upper = desc->port_range_hints[j].UpperBound;
102 if ( LADSPA_IS_HINT_SAMPLE_RATE( hint_descriptor ) )
103 upper *= sample_rate;
104 mlt_properties_set_double( p, "maximum", upper );
106 if ( LADSPA_IS_HINT_LOGARITHMIC( hint_descriptor ) )
107 mlt_properties_set( p, "scale", "log" );
109 p = mlt_properties_new();
110 snprintf( key, sizeof(key), "%d", i );
111 mlt_properties_set_data( params, key, p, 0, (mlt_destructor) mlt_properties_close, NULL );
112 mlt_properties_set( p, "identifier", "wetness" );
113 mlt_properties_set( p, "title", "Wet/Dry" );
114 mlt_properties_set( p, "type", "float" );
115 mlt_properties_set_double( p, "default", 1 );
116 mlt_properties_set_double( p, "minimum", 0 );
117 mlt_properties_set_double( p, "maximum", 1 );
127 g_jackrack_plugin_mgr = plugin_mgr_new();
129 for ( list = g_jackrack_plugin_mgr->all_plugins; list; list = g_slist_next( list ) )
131 plugin_desc_t *desc = (plugin_desc_t *) list->data;
132 char *s = malloc( strlen( "ladpsa." ) + 21 );
134 sprintf( s, "ladspa.%lu", desc->id );
135 MLT_REGISTER( filter_type, s, filter_ladspa_init );
136 MLT_REGISTER_METADATA( filter_type, s, metadata, NULL );
138 // mlt_factory_register_for_clean_up( g_jackrack_plugin_mgr, (mlt_destructor) plugin_mgr_destroy );
140 MLT_REGISTER( filter_type, "jackrack", filter_jackrack_init );
141 MLT_REGISTER_METADATA( filter_type, "jackrack", metadata, NULL );
142 MLT_REGISTER( filter_type, "ladspa", filter_ladspa_init );
143 MLT_REGISTER_METADATA( filter_type, "ladspa", metadata, NULL );