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;
63 pd->port_descriptors = NULL;
64 pd->port_range_hints = NULL;
65 pd->audio_input_port_indicies = NULL;
66 pd->audio_output_port_indicies = NULL;
67 pd->audio_aux_port_indicies = NULL;
68 pd->control_port_count = 0;
69 pd->control_port_indicies = NULL;
71 pd->aux_are_input = TRUE;
75 plugin_desc_free_ports (plugin_desc_t * pd)
79 g_free (pd->port_descriptors);
80 g_free (pd->port_range_hints);
81 pd->port_descriptors = NULL;
82 pd->port_range_hints = NULL;
88 plugin_desc_free (plugin_desc_t * pd)
90 plugin_desc_set_object_file (pd, NULL);
91 plugin_desc_set_name (pd, NULL);
92 plugin_desc_set_maker (pd, NULL);
93 plugin_desc_free_ports (pd);
100 pd = g_malloc (sizeof (plugin_desc_t));
101 plugin_desc_init (pd);
106 plugin_desc_new_with_descriptor (const char * object_file,
108 const LADSPA_Descriptor * descriptor)
111 pd = plugin_desc_new ();
113 plugin_desc_set_object_file (pd, object_file);
114 plugin_desc_set_index (pd, index);
115 plugin_desc_set_id (pd, descriptor->UniqueID);
116 plugin_desc_set_name (pd, descriptor->Name);
117 plugin_desc_set_maker (pd, descriptor->Maker);
118 plugin_desc_set_properties (pd, descriptor->Properties);
119 plugin_desc_set_ports (pd,
120 descriptor->PortCount,
121 descriptor->PortDescriptors,
122 descriptor->PortRangeHints,
123 descriptor->PortNames);
125 pd->rt = LADSPA_IS_HARD_RT_CAPABLE(pd->properties) ? TRUE : FALSE;
131 plugin_desc_destroy (plugin_desc_t * pd)
133 plugin_desc_free (pd);
138 plugin_desc_set_object_file (plugin_desc_t * pd, const char * object_file)
140 set_string_property (pd->object_file, object_file);
144 plugin_desc_set_index (plugin_desc_t * pd, unsigned long index)
151 plugin_desc_set_id (plugin_desc_t * pd, unsigned long id)
157 plugin_desc_set_name (plugin_desc_t * pd, const char * name)
159 set_string_property (pd->name, name);
163 plugin_desc_set_maker (plugin_desc_t * pd, const char * maker)
165 set_string_property (pd->maker, maker);
169 plugin_desc_set_properties (plugin_desc_t * pd, LADSPA_Properties properties)
171 pd->properties = properties;
175 plugin_desc_add_audio_port_index (unsigned long ** indicies,
176 unsigned long * current_port_count,
179 (*current_port_count)++;
181 if (*current_port_count == 0)
182 *indicies = g_malloc (sizeof (unsigned long) * *current_port_count);
184 *indicies = g_realloc (*indicies, sizeof (unsigned long) * *current_port_count);
186 (*indicies)[*current_port_count - 1] = index;
190 plugin_desc_set_port_counts (plugin_desc_t * pd)
193 unsigned long icount = 0;
194 unsigned long ocount = 0;
196 for (i = 0; i < pd->port_count; i++)
198 if (LADSPA_IS_PORT_AUDIO (pd->port_descriptors[i]))
200 if (LADSPA_IS_PORT_INPUT (pd->port_descriptors[i]))
201 plugin_desc_add_audio_port_index (&pd->audio_input_port_indicies, &icount, i);
203 plugin_desc_add_audio_port_index (&pd->audio_output_port_indicies, &ocount, i);
207 if (LADSPA_IS_PORT_OUTPUT (pd->port_descriptors[i]))
210 pd->control_port_count++;
211 if (pd->control_port_count == 0)
212 pd->control_port_indicies = g_malloc (sizeof (unsigned long) * pd->control_port_count);
214 pd->control_port_indicies = g_realloc (pd->control_port_indicies,
215 sizeof (unsigned long) * pd->control_port_count);
217 pd->control_port_indicies[pd->control_port_count - 1] = i;
221 if (icount == ocount)
222 pd->channels = icount;
224 { /* deal with auxilliary ports */
225 unsigned long ** port_indicies;
226 unsigned long port_count;
231 pd->channels = ocount;
232 pd->aux_channels = icount - ocount;
233 pd->aux_are_input = TRUE;
234 port_indicies = &pd->audio_input_port_indicies;
239 pd->channels = icount;
240 pd->aux_channels = ocount - icount;
241 pd->aux_are_input = FALSE;
242 port_indicies = &pd->audio_output_port_indicies;
246 /* allocate indicies */
247 pd->audio_aux_port_indicies = g_malloc (sizeof (unsigned long) * pd->aux_channels);
250 for (i = pd->channels, j = 0; i < port_count; i++, j++)
251 pd->audio_aux_port_indicies[j] = (*port_indicies)[i];
253 /* shrink the main indicies to only have channels indicies */
254 *port_indicies = g_realloc (*port_indicies, sizeof (unsigned long) * pd->channels);
259 plugin_desc_set_ports (plugin_desc_t * pd,
260 unsigned long port_count,
261 const LADSPA_PortDescriptor * port_descriptors,
262 const LADSPA_PortRangeHint * port_range_hints,
263 const char * const * port_names)
267 plugin_desc_free_ports (pd);
272 pd->port_count = port_count;
273 pd->port_descriptors = g_malloc (sizeof (LADSPA_PortDescriptor) * port_count);
274 pd->port_range_hints = g_malloc (sizeof (LADSPA_PortRangeHint) * port_count);
275 pd->port_names = g_malloc (sizeof (char *) * port_count);
277 memcpy (pd->port_descriptors, port_descriptors, sizeof (LADSPA_PortDescriptor) * port_count);
278 memcpy (pd->port_range_hints, port_range_hints, sizeof (LADSPA_PortRangeHint) * port_count);
280 for (i = 0; i < port_count; i++)
281 pd->port_names[i] = g_strdup (port_names[i]);
283 plugin_desc_set_port_counts (pd);
288 plugin_desc_get_default_control_value (plugin_desc_t * pd, unsigned long port_index, guint32 sample_rate)
290 LADSPA_Data upper, lower;
291 LADSPA_PortRangeHintDescriptor hint_descriptor;
293 hint_descriptor = pd->port_range_hints[port_index].HintDescriptor;
295 /* set upper and lower, possibly adjusted to the sample rate */
296 if (LADSPA_IS_HINT_SAMPLE_RATE(hint_descriptor)) {
297 upper = pd->port_range_hints[port_index].UpperBound * (LADSPA_Data) sample_rate;
298 lower = pd->port_range_hints[port_index].LowerBound * (LADSPA_Data) sample_rate;
300 upper = pd->port_range_hints[port_index].UpperBound;
301 lower = pd->port_range_hints[port_index].LowerBound;
304 if (LADSPA_IS_HINT_LOGARITHMIC(hint_descriptor))
306 if (lower < FLT_EPSILON)
311 if (LADSPA_IS_HINT_HAS_DEFAULT(hint_descriptor)) {
313 if (LADSPA_IS_HINT_DEFAULT_MINIMUM(hint_descriptor)) {
317 } else if (LADSPA_IS_HINT_DEFAULT_LOW(hint_descriptor)) {
319 if (LADSPA_IS_HINT_LOGARITHMIC(hint_descriptor)) {
320 return exp(log(lower) * 0.75 + log(upper) * 0.25);
322 return lower * 0.75 + upper * 0.25;
325 } else if (LADSPA_IS_HINT_DEFAULT_MIDDLE(hint_descriptor)) {
327 if (LADSPA_IS_HINT_LOGARITHMIC(hint_descriptor)) {
328 return exp(log(lower) * 0.5 + log(upper) * 0.5);
330 return lower * 0.5 + upper * 0.5;
333 } else if (LADSPA_IS_HINT_DEFAULT_HIGH(hint_descriptor)) {
335 if (LADSPA_IS_HINT_LOGARITHMIC(hint_descriptor)) {
336 return exp(log(lower) * 0.25 + log(upper) * 0.75);
338 return lower * 0.25 + upper * 0.75;
341 } else if (LADSPA_IS_HINT_DEFAULT_MAXIMUM(hint_descriptor)) {
345 } else if (LADSPA_IS_HINT_DEFAULT_0(hint_descriptor)) {
349 } else if (LADSPA_IS_HINT_DEFAULT_1(hint_descriptor)) {
351 if (LADSPA_IS_HINT_SAMPLE_RATE(hint_descriptor)) {
352 return (LADSPA_Data) sample_rate;
357 } else if (LADSPA_IS_HINT_DEFAULT_100(hint_descriptor)) {
359 if (LADSPA_IS_HINT_SAMPLE_RATE(hint_descriptor)) {
360 return 100.0 * (LADSPA_Data) sample_rate;
365 } else if (LADSPA_IS_HINT_DEFAULT_440(hint_descriptor)) {
367 if (LADSPA_IS_HINT_SAMPLE_RATE(hint_descriptor)) {
368 return 440.0 * (LADSPA_Data) sample_rate;
375 } else { /* try and find a reasonable default */
377 if (LADSPA_IS_HINT_BOUNDED_BELOW(hint_descriptor)) {
379 } else if (LADSPA_IS_HINT_BOUNDED_ABOVE(hint_descriptor)) {
388 plugin_desc_change_control_value (plugin_desc_t * pd,
389 unsigned long control_index,
391 guint32 old_sample_rate,
392 guint32 new_sample_rate)
395 if (LADSPA_IS_HINT_SAMPLE_RATE (pd->port_range_hints[control_index].HintDescriptor))
397 LADSPA_Data old_sr, new_sr;
399 old_sr = (LADSPA_Data) old_sample_rate;
400 new_sr = (LADSPA_Data) new_sample_rate;
410 plugin_desc_get_copies (plugin_desc_t * pd, unsigned long rack_channels)
414 if (pd->channels > rack_channels)
417 while (pd->channels * copies < rack_channels)
420 if (pd->channels * copies > rack_channels)