5 * Copyright (C) Robert Ham 2002, 2003 (node@users.sourceforge.net)
7 * Modification for MLT:
8 * Copyright (C) 2004 Ushodaya Enterprises Limited
9 * Author: Dan Dennedy <dan@dennedy.org>
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
30 #include "plugin_desc.h"
33 #define set_string_property(property, value) \
39 (property) = g_strdup (value); \
45 plugin_desc_set_ports (plugin_desc_t * pd,
46 unsigned long port_count,
47 const LADSPA_PortDescriptor * port_descriptors,
48 const LADSPA_PortRangeHint * port_range_hints,
49 const char * const * port_names);
54 plugin_desc_init (plugin_desc_t * pd)
56 pd->object_file = NULL;
62 pd->port_descriptors = NULL;
63 pd->port_range_hints = NULL;
64 pd->audio_input_port_indicies = NULL;
65 pd->audio_output_port_indicies = NULL;
66 pd->audio_aux_port_indicies = NULL;
67 pd->control_port_count = 0;
68 pd->control_port_indicies = NULL;
70 pd->aux_are_input = TRUE;
74 plugin_desc_free_ports (plugin_desc_t * pd)
78 g_free (pd->port_descriptors);
79 g_free (pd->port_range_hints);
80 pd->port_descriptors = NULL;
81 pd->port_range_hints = NULL;
87 plugin_desc_free (plugin_desc_t * pd)
89 plugin_desc_set_object_file (pd, NULL);
90 plugin_desc_set_name (pd, NULL);
91 plugin_desc_free_ports (pd);
98 pd = g_malloc (sizeof (plugin_desc_t));
99 plugin_desc_init (pd);
104 plugin_desc_new_with_descriptor (const char * object_file,
106 const LADSPA_Descriptor * descriptor)
109 pd = plugin_desc_new ();
111 plugin_desc_set_object_file (pd, object_file);
112 plugin_desc_set_index (pd, index);
113 plugin_desc_set_id (pd, descriptor->UniqueID);
114 plugin_desc_set_name (pd, descriptor->Name);
115 plugin_desc_set_properties (pd, descriptor->Properties);
116 plugin_desc_set_ports (pd,
117 descriptor->PortCount,
118 descriptor->PortDescriptors,
119 descriptor->PortRangeHints,
120 descriptor->PortNames);
122 pd->rt = LADSPA_IS_HARD_RT_CAPABLE(pd->properties) ? TRUE : FALSE;
128 plugin_desc_destroy (plugin_desc_t * pd)
130 plugin_desc_free (pd);
135 plugin_desc_set_object_file (plugin_desc_t * pd, const char * object_file)
137 set_string_property (pd->object_file, object_file);
141 plugin_desc_set_index (plugin_desc_t * pd, unsigned long index)
148 plugin_desc_set_id (plugin_desc_t * pd, unsigned long id)
154 plugin_desc_set_name (plugin_desc_t * pd, const char * name)
156 set_string_property (pd->name, name);
160 plugin_desc_set_properties (plugin_desc_t * pd, LADSPA_Properties properties)
162 pd->properties = properties;
166 plugin_desc_add_audio_port_index (unsigned long ** indicies,
167 unsigned long * current_port_count,
170 (*current_port_count)++;
172 if (*current_port_count == 0)
173 *indicies = g_malloc (sizeof (unsigned long) * *current_port_count);
175 *indicies = g_realloc (*indicies, sizeof (unsigned long) * *current_port_count);
177 (*indicies)[*current_port_count - 1] = index;
181 plugin_desc_set_port_counts (plugin_desc_t * pd)
184 unsigned long icount = 0;
185 unsigned long ocount = 0;
187 for (i = 0; i < pd->port_count; i++)
189 if (LADSPA_IS_PORT_AUDIO (pd->port_descriptors[i]))
191 if (LADSPA_IS_PORT_INPUT (pd->port_descriptors[i]))
192 plugin_desc_add_audio_port_index (&pd->audio_input_port_indicies, &icount, i);
194 plugin_desc_add_audio_port_index (&pd->audio_output_port_indicies, &ocount, i);
198 if (LADSPA_IS_PORT_OUTPUT (pd->port_descriptors[i]))
201 pd->control_port_count++;
202 if (pd->control_port_count == 0)
203 pd->control_port_indicies = g_malloc (sizeof (unsigned long) * pd->control_port_count);
205 pd->control_port_indicies = g_realloc (pd->control_port_indicies,
206 sizeof (unsigned long) * pd->control_port_count);
208 pd->control_port_indicies[pd->control_port_count - 1] = i;
212 if (icount == ocount)
213 pd->channels = icount;
215 { /* deal with auxilliary ports */
216 unsigned long ** port_indicies;
217 unsigned long port_count;
222 pd->channels = ocount;
223 pd->aux_channels = icount - ocount;
224 pd->aux_are_input = TRUE;
225 port_indicies = &pd->audio_input_port_indicies;
230 pd->channels = icount;
231 pd->aux_channels = ocount - icount;
232 pd->aux_are_input = FALSE;
233 port_indicies = &pd->audio_output_port_indicies;
237 /* allocate indicies */
238 pd->audio_aux_port_indicies = g_malloc (sizeof (unsigned long) * pd->aux_channels);
241 for (i = pd->channels, j = 0; i < port_count; i++, j++)
242 pd->audio_aux_port_indicies[j] = (*port_indicies)[i];
244 /* shrink the main indicies to only have channels indicies */
245 *port_indicies = g_realloc (*port_indicies, sizeof (unsigned long) * pd->channels);
250 plugin_desc_set_ports (plugin_desc_t * pd,
251 unsigned long port_count,
252 const LADSPA_PortDescriptor * port_descriptors,
253 const LADSPA_PortRangeHint * port_range_hints,
254 const char * const * port_names)
258 plugin_desc_free_ports (pd);
263 pd->port_count = port_count;
264 pd->port_descriptors = g_malloc (sizeof (LADSPA_PortDescriptor) * port_count);
265 pd->port_range_hints = g_malloc (sizeof (LADSPA_PortRangeHint) * port_count);
266 pd->port_names = g_malloc (sizeof (char *) * port_count);
268 memcpy (pd->port_descriptors, port_descriptors, sizeof (LADSPA_PortDescriptor) * port_count);
269 memcpy (pd->port_range_hints, port_range_hints, sizeof (LADSPA_PortRangeHint) * port_count);
271 for (i = 0; i < port_count; i++)
272 pd->port_names[i] = g_strdup (port_names[i]);
274 plugin_desc_set_port_counts (pd);
279 plugin_desc_get_default_control_value (plugin_desc_t * pd, unsigned long port_index, guint32 sample_rate)
281 LADSPA_Data upper, lower;
282 LADSPA_PortRangeHintDescriptor hint_descriptor;
284 hint_descriptor = pd->port_range_hints[port_index].HintDescriptor;
286 /* set upper and lower, possibly adjusted to the sample rate */
287 if (LADSPA_IS_HINT_SAMPLE_RATE(hint_descriptor)) {
288 upper = pd->port_range_hints[port_index].UpperBound * (LADSPA_Data) sample_rate;
289 lower = pd->port_range_hints[port_index].LowerBound * (LADSPA_Data) sample_rate;
291 upper = pd->port_range_hints[port_index].UpperBound;
292 lower = pd->port_range_hints[port_index].LowerBound;
295 if (LADSPA_IS_HINT_LOGARITHMIC(hint_descriptor))
297 if (lower < FLT_EPSILON)
302 if (LADSPA_IS_HINT_HAS_DEFAULT(hint_descriptor)) {
304 if (LADSPA_IS_HINT_DEFAULT_MINIMUM(hint_descriptor)) {
308 } else if (LADSPA_IS_HINT_DEFAULT_LOW(hint_descriptor)) {
310 if (LADSPA_IS_HINT_LOGARITHMIC(hint_descriptor)) {
311 return exp(log(lower) * 0.75 + log(upper) * 0.25);
313 return lower * 0.75 + upper * 0.25;
316 } else if (LADSPA_IS_HINT_DEFAULT_MIDDLE(hint_descriptor)) {
318 if (LADSPA_IS_HINT_LOGARITHMIC(hint_descriptor)) {
319 return exp(log(lower) * 0.5 + log(upper) * 0.5);
321 return lower * 0.5 + upper * 0.5;
324 } else if (LADSPA_IS_HINT_DEFAULT_HIGH(hint_descriptor)) {
326 if (LADSPA_IS_HINT_LOGARITHMIC(hint_descriptor)) {
327 return exp(log(lower) * 0.25 + log(upper) * 0.75);
329 return lower * 0.25 + upper * 0.75;
332 } else if (LADSPA_IS_HINT_DEFAULT_MAXIMUM(hint_descriptor)) {
336 } else if (LADSPA_IS_HINT_DEFAULT_0(hint_descriptor)) {
340 } else if (LADSPA_IS_HINT_DEFAULT_1(hint_descriptor)) {
342 if (LADSPA_IS_HINT_SAMPLE_RATE(hint_descriptor)) {
343 return (LADSPA_Data) sample_rate;
348 } else if (LADSPA_IS_HINT_DEFAULT_100(hint_descriptor)) {
350 if (LADSPA_IS_HINT_SAMPLE_RATE(hint_descriptor)) {
351 return 100.0 * (LADSPA_Data) sample_rate;
356 } else if (LADSPA_IS_HINT_DEFAULT_440(hint_descriptor)) {
358 if (LADSPA_IS_HINT_SAMPLE_RATE(hint_descriptor)) {
359 return 440.0 * (LADSPA_Data) sample_rate;
366 } else { /* try and find a reasonable default */
368 if (LADSPA_IS_HINT_BOUNDED_BELOW(hint_descriptor)) {
370 } else if (LADSPA_IS_HINT_BOUNDED_ABOVE(hint_descriptor)) {
379 plugin_desc_change_control_value (plugin_desc_t * pd,
380 unsigned long control_index,
382 guint32 old_sample_rate,
383 guint32 new_sample_rate)
386 if (LADSPA_IS_HINT_SAMPLE_RATE (pd->port_range_hints[control_index].HintDescriptor))
388 LADSPA_Data old_sr, new_sr;
390 old_sr = (LADSPA_Data) old_sample_rate;
391 new_sr = (LADSPA_Data) new_sample_rate;
401 plugin_desc_get_copies (plugin_desc_t * pd, unsigned long rack_channels)
405 if (pd->channels > rack_channels)
408 while (pd->channels * copies < rack_channels)
411 if (pd->channels * copies > rack_channels)