diff options
Diffstat (limited to 'plugin~_ladspa.c')
| -rw-r--r-- | plugin~_ladspa.c | 759 |
1 files changed, 0 insertions, 759 deletions
diff --git a/plugin~_ladspa.c b/plugin~_ladspa.c deleted file mode 100644 index 9e7c8f3..0000000 --- a/plugin~_ladspa.c +++ /dev/null @@ -1,759 +0,0 @@ -/* plugin~, a Pd tilde object for hosting LADSPA/VST plug-ins - Copyright (C) 2000 Jarno Seppänen - $Id: plugin~_ladspa.c,v 1.2 2003-01-23 12:32:04 ggeiger Exp $ - - This file is part of plugin~. - - This program 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 2 - of the License, or (at your option) any later version. - - This program 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 this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#include "config.h" -#if PLUGIN_TILDE_USE_LADSPA - -#include <assert.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -#include "plugin~.h" -#include "plugin~_ladspa.h" -/* LADSPA header */ -#include "ladspa/ladspa.h" -/* LADSPA SDK helper functions loadLADSPAPluginLibrary() etc. */ -#include "jutils.h" - -#ifndef MIN -#define MIN(a,b) ((a)<(b)?(a):(b)) -#endif - - -const char* -plugin_tilde_ladspa_search_plugin (Pd_Plugin_Tilde* x, - const char* name) -{ - char* lib_name = NULL; - void* user_data[2]; - - user_data[0] = (void*)(&lib_name); - user_data[1] = (void*)name; - - lib_name = NULL; - LADSPAPluginSearch (plugin_tilde_ladspa_search_plugin_callback, - (void*)user_data); - - /* The callback (allocates and) writes lib_name, if it finds the plugin */ - return lib_name; -} - -static void -plugin_tilde_ladspa_search_plugin_callback (const char* full_filename, - void* plugin_handle, - LADSPA_Descriptor_Function descriptor_function, - void* user_data) -{ - const LADSPA_Descriptor* descriptor = NULL; - unsigned plug_index = 0; - - char** out_lib_name = (char**)(((void**)user_data)[0]); - char* name = (char*)(((void**)user_data)[1]); - - /* Stop searching when a first matching plugin is found */ - if (*out_lib_name == NULL) - { -#if PLUGIN_TILDE_DEBUG - error ("DEBUG plugin~: searching library \"%s\"...", - full_filename); -#endif - - for (plug_index = 0; - (descriptor = descriptor_function (plug_index)) != NULL; - plug_index++) - { -#if PLUGIN_TILDE_DEBUG - error ("DEBUG plugin~: label \"%s\"", - descriptor->Label); -#endif - - if (strcasecmp (name, descriptor->Label) == 0) - { - /* found a matching plugin */ - *out_lib_name = strdup (full_filename); - -#if PLUGIN_TILDE_DEBUG - error ("DEBUG plugin~: found plugin \"%s\" in library \"%s\"", - name, full_filename); -#endif - - /* don't need to look any further */ - break; - } - } - } -} - -int -plugin_tilde_ladspa_open_plugin (Pd_Plugin_Tilde* x, - const char* name, - const char* lib_name, - unsigned long sample_rate) -{ - unsigned port_index; - - /* precondition(s) */ - assert (x != NULL); - assert (lib_name != NULL); - assert (name != NULL); - assert (sample_rate != 0); - - /* Initialize object struct */ - x->plugin.ladspa.type = NULL; - x->plugin.ladspa.instance = NULL; - x->plugin.ladspa.control_input_values = NULL; - x->plugin.ladspa.control_output_values = NULL; - x->plugin.ladspa.control_input_ports = NULL; - x->plugin.ladspa.control_output_ports = NULL; - x->plugin.ladspa.prev_control_output_values = NULL; - x->plugin.ladspa.prev_control_output_values_invalid = 1; - x->plugin.ladspa.outofplace_audio_outputs = NULL; - x->plugin.ladspa.actual_audio_outputs = NULL; - x->plugin.ladspa.num_samples = 0; - x->plugin.ladspa.sample_rate = sample_rate; - - /* Attempt to load the plugin. */ - x->plugin_library = loadLADSPAPluginLibrary (lib_name); - if (x->plugin_library == NULL) - { - /* error */ - error ("plugin~: Unable to load LADSPA plugin library \"%s\"", - lib_name); - return 1; - } - x->plugin.ladspa.type = findLADSPAPluginDescriptor (x->plugin_library, - lib_name, - name); - if (x->plugin.ladspa.type == NULL) - { - error ("plugin~: Unable to find LADSPA plugin \"%s\" within library \"%s\"", - name, lib_name); - return 1; - } - - /* Construct the plugin. */ - x->plugin.ladspa.instance - = x->plugin.ladspa.type->instantiate (x->plugin.ladspa.type, - sample_rate); - if (x->plugin.ladspa.instance == NULL) - { - /* error */ - error ("plugin~: Unable to instantiate LADSPA plugin \"%s\"", - x->plugin.ladspa.type->Name); - return 1; - } - -#if PLUGIN_TILDE_DEBUG - error ("DEBUG plugin~: constructed plugin \"%s\" successfully", x->plugin.ladspa.type->Name); -#endif - - /* Find out the number of inputs and outputs needed. */ - plugin_tilde_ladspa_count_ports (x); - - /* Allocate memory for control values */ - if (plugin_tilde_ladspa_alloc_control_memory (x)) { - error ("plugin~: out of memory"); - return 1; /* error */ - } - - /* Connect control ports with buffers */ - plugin_tilde_ladspa_connect_control_ports (x); - - /* Activate the plugin. */ - if (x->plugin.ladspa.type->activate != NULL) - { - x->plugin.ladspa.type->activate (x->plugin.ladspa.instance); - } - - /* success */ - return 0; -} - -void -plugin_tilde_ladspa_close_plugin (Pd_Plugin_Tilde* x) -{ - /* precondition(s) */ - assert (x != NULL); - - if (x->plugin.ladspa.instance != NULL) - { - /* Deactivate the plugin. */ - if (x->plugin.ladspa.type->deactivate != NULL) - { - x->plugin.ladspa.type->deactivate (x->plugin.ladspa.instance); - } - - /* Destruct the plugin. */ - x->plugin.ladspa.type->cleanup (x->plugin.ladspa.instance); - x->plugin.ladspa.instance = NULL; - } - - /* Free the control value memory */ - plugin_tilde_ladspa_free_control_memory (x); - - if (x->plugin_library != NULL) - { - unloadLADSPAPluginLibrary (x->plugin_library); - x->plugin_library = NULL; - x->plugin.ladspa.type = NULL; - } - - /* Free the out-of-place memory */ - plugin_tilde_ladspa_free_outofplace_memory (x); -} - -void -plugin_tilde_ladspa_apply_plugin (Pd_Plugin_Tilde* x) -{ - unsigned i; - - /* Run the plugin on Pd's buffers */ - x->plugin.ladspa.type->run (x->plugin.ladspa.instance, - x->plugin.ladspa.num_samples); - - /* Copy out-of-place buffers to Pd buffers if used */ - if (x->plugin.ladspa.outofplace_audio_outputs != NULL) - { - for (i = 0; i < x->num_audio_outputs; i++) - { - unsigned j; - for (j = 0; j < (unsigned)x->plugin.ladspa.num_samples; j++) - { - x->plugin.ladspa.actual_audio_outputs[i][j] - = x->plugin.ladspa.outofplace_audio_outputs[i][j]; - } - } - } - - /* Compare control output values to previous and send control - messages, if necessary */ - for (i = 0; i < x->num_control_outputs; i++) - { - /* Check whether the prev values have been initialized; if - not, send a control message for each of the control outputs */ - if ((x->plugin.ladspa.control_output_values[i] - != x->plugin.ladspa.prev_control_output_values[i]) - || x->plugin.ladspa.prev_control_output_values_invalid) - { - /* Emit a control message */ - plugin_tilde_emit_control_output (x, - x->plugin.ladspa.type->PortNames[x->plugin.ladspa.control_output_ports[i]], - x->plugin.ladspa.control_output_values[i], - i); - /* Update the corresponding control monitoring value */ - x->plugin.ladspa.prev_control_output_values[i] = x->plugin.ladspa.control_output_values[i]; - } - } - x->plugin.ladspa.prev_control_output_values_invalid = 0; -} - -void -plugin_tilde_ladspa_print (Pd_Plugin_Tilde* x) -{ - unsigned port_index; - unsigned i; - - printf ("%s: \"%s\"; control %d in/%d out; audio %d in/%d out\n" - "Loaded from library \"%s\".\n", - x->plugin.ladspa.type->Label, - x->plugin.ladspa.type->Name, - x->num_control_inputs, - x->num_control_outputs, - x->num_audio_inputs, - x->num_audio_outputs, - x->plugin_library_filename); - - for (i = 1; i <= 4; i++) - { - unsigned count; - int print_controls = (i == 1 || i == 2); - int print_audios = (i == 3 || i == 4); - int print_inputs = (i == 1 || i == 3); - int print_outputs = (i == 2 || i == 4); - if (print_controls && print_inputs) - { - printf ("Control input(s):\n"); - } - else if (print_controls && print_outputs) - { - printf ("Control output(s):\n"); - } - else if (print_audios && print_inputs) - { - printf ("Audio input(s):\n"); - } - else if (print_audios && print_outputs) - { - printf ("Audio output(s):\n"); - } - count = 1; - for (port_index = 0; port_index < x->plugin.ladspa.type->PortCount; port_index++) - { - LADSPA_PortDescriptor port_type; - port_type = x->plugin.ladspa.type->PortDescriptors[port_index]; - - if ((print_controls && LADSPA_IS_PORT_CONTROL (port_type) - || print_audios && LADSPA_IS_PORT_AUDIO (port_type)) - && - (print_inputs && LADSPA_IS_PORT_INPUT (port_type) - || print_outputs && LADSPA_IS_PORT_OUTPUT (port_type))) - { - printf (" #%d \"%s\"\n", - count, - x->plugin.ladspa.type->PortNames[port_index]); - /* the port hints could also be printed... */ - count++; - } - } - } -} - -void -plugin_tilde_ladspa_reset (Pd_Plugin_Tilde* x) -{ - /* precondition(s) */ - assert (x != NULL); - assert (x->plugin.ladspa.type != NULL); - assert (x->plugin.ladspa.instance != NULL); - - if (x->plugin.ladspa.type->activate != NULL - && x->plugin.ladspa.type->deactivate == NULL) - { - error ("plugin~: Warning: Plug-in defines activate() method but no deactivate() method"); - } - - /* reset plug-in by first deactivating and then re-activating it */ - if (x->plugin.ladspa.type->deactivate != NULL) - { - x->plugin.ladspa.type->deactivate (x->plugin.ladspa.instance); - } - if (x->plugin.ladspa.type->activate != NULL) - { - x->plugin.ladspa.type->activate (x->plugin.ladspa.instance); - } -} - -void -plugin_tilde_ladspa_connect_audio (Pd_Plugin_Tilde* x, - float** audio_inputs, - float** audio_outputs, - unsigned long num_samples) -{ - unsigned port_index = 0; - unsigned input_count = 0; - unsigned output_count = 0; - - /* Allocate out-of-place memory if needed */ - if (plugin_tilde_ladspa_alloc_outofplace_memory (x, num_samples)) { - error ("plugin~: out of memory"); - return; - } - - if (x->plugin.ladspa.outofplace_audio_outputs != NULL) { - x->plugin.ladspa.actual_audio_outputs = audio_outputs; - audio_outputs = x->plugin.ladspa.outofplace_audio_outputs; - } - - input_count = 0; - output_count = 0; - for (port_index = 0; port_index < x->plugin.ladspa.type->PortCount; port_index++) - { - LADSPA_PortDescriptor port_type; - port_type = x->plugin.ladspa.type->PortDescriptors[port_index]; - if (LADSPA_IS_PORT_AUDIO (port_type)) - { - if (LADSPA_IS_PORT_INPUT (port_type)) - { - x->plugin.ladspa.type->connect_port (x->plugin.ladspa.instance, - port_index, - (LADSPA_Data*)audio_inputs[input_count]); - input_count++; - } - else if (LADSPA_IS_PORT_OUTPUT (port_type)) - { - x->plugin.ladspa.type->connect_port (x->plugin.ladspa.instance, - port_index, - (LADSPA_Data*)audio_outputs[output_count]); - output_count++; - } - } - } - - x->plugin.ladspa.num_samples = num_samples; -} - -void -plugin_tilde_ladspa_set_control_input_by_name (Pd_Plugin_Tilde* x, - const char* name, - float value) -{ - unsigned port_index = 0; - unsigned ctrl_input_index = 0; - int found_port = 0; /* boolean */ - - /* precondition(s) */ - assert (x != NULL); - - if (name == NULL || strlen (name) == 0) { - error ("plugin~: no control port name specified"); - return; - } - - /* compare control name to LADSPA control input ports' names - case-insensitively */ - found_port = 0; - ctrl_input_index = 0; - for (port_index = 0; port_index < x->plugin.ladspa.type->PortCount; port_index++) - { - LADSPA_PortDescriptor port_type; - port_type = x->plugin.ladspa.type->PortDescriptors[port_index]; - if (LADSPA_IS_PORT_CONTROL (port_type) - && LADSPA_IS_PORT_INPUT (port_type)) - { - const char* port_name = NULL; - unsigned cmp_length = 0; - port_name = x->plugin.ladspa.type->PortNames[port_index]; - cmp_length = MIN (strlen (name), strlen (port_name)); - if (cmp_length != 0 - && strncasecmp (name, port_name, cmp_length) == 0) - { - /* found the first port to match */ - found_port = 1; - break; - } - ctrl_input_index++; - } - } - - if (!found_port) - { - error ("plugin~: plugin doesn't have a control input port named \"%s\"", - name); - return; - } - - plugin_tilde_ladspa_set_control_input_by_index (x, - ctrl_input_index, - value); -} - -void -plugin_tilde_ladspa_set_control_input_by_index (Pd_Plugin_Tilde* x, - unsigned ctrl_input_index, - float value) -{ - unsigned port_index = 0; - unsigned ctrl_input_count = 0; - int found_port = 0; /* boolean */ - int bounded_from_below = 0; - int bounded_from_above = 0; - int bounded = 0; - float lower_bound = 0; - float upper_bound = 0; - - /* precondition(s) */ - assert (x != NULL); - /* assert (ctrl_input_index >= 0); causes a warning */ - /* assert (ctrl_input_index < x->num_control_inputs); */ - if (ctrl_input_index >= x->num_control_inputs) { - error ("plugin~: control port number %d is out of range [1, %d]", - ctrl_input_index + 1, x->num_control_inputs); - return; - } - - /* bound parameter value */ - /* sigh, need to find the N'th ctrl input port by hand */ - found_port = 0; - ctrl_input_count = 0; - for (port_index = 0; port_index < x->plugin.ladspa.type->PortCount; port_index++) - { - LADSPA_PortDescriptor port_type; - port_type = x->plugin.ladspa.type->PortDescriptors[port_index]; - if (LADSPA_IS_PORT_CONTROL (port_type) - && LADSPA_IS_PORT_INPUT (port_type)) - { - if (ctrl_input_index == ctrl_input_count) { - found_port = 1; - break; - } - ctrl_input_count++; - } - } - if (!found_port) { - error ("plugin~: plugin doesn't have %ud control input ports", - ctrl_input_index + 1); - return; - } - if (x->plugin.ladspa.type->PortRangeHints != NULL) { - const LADSPA_PortRangeHint* hint - = &x->plugin.ladspa.type->PortRangeHints[port_index]; - if (LADSPA_IS_HINT_BOUNDED_BELOW (hint->HintDescriptor)) { - bounded_from_below = 1; - lower_bound = hint->LowerBound; - if (LADSPA_IS_HINT_SAMPLE_RATE (hint->HintDescriptor)) { - assert (x->plugin.ladspa.sample_rate != 0); - lower_bound *= (float)x->plugin.ladspa.sample_rate; - } - } - if (LADSPA_IS_HINT_BOUNDED_ABOVE (hint->HintDescriptor)) { - bounded_from_above = 1; - upper_bound = hint->UpperBound; - if (LADSPA_IS_HINT_SAMPLE_RATE (hint->HintDescriptor)) { - assert (x->plugin.ladspa.sample_rate != 0); - upper_bound *= (float)x->plugin.ladspa.sample_rate; - } - } - } - bounded = 0; - if (bounded_from_below && value < lower_bound) { - value = lower_bound; - bounded = 1; - } - if (bounded_from_above && value > upper_bound) { - value = upper_bound; - bounded = 1; - } - if (bounded) { - fputs ("plugin~: warning: parameter limited to within ", stderr); - if (bounded_from_below) { - fprintf (stderr, "[%f, ", lower_bound); - } - else { - fputs ("(-inf, ", stderr); - } - if (bounded_from_above) { - fprintf (stderr, "%f]\n", upper_bound); - } - else { - fputs ("inf)\n", stderr); - } - } - /* set the appropriate control port value */ - x->plugin.ladspa.control_input_values[ctrl_input_index] = value; - -#if PLUGIN_TILDE_DEBUG - error ("DEBUG plugin~: control change control input port #%ud to value %f", - ctrl_input_index + 1, value); -#endif -} - -static void -plugin_tilde_ladspa_count_ports (Pd_Plugin_Tilde* x) -{ - unsigned i = 0; - - x->num_audio_inputs = 0; - x->num_audio_outputs = 0; - x->num_control_inputs = 0; - x->num_control_outputs = 0; - - for (i = 0; i < x->plugin.ladspa.type->PortCount; i++) - { - LADSPA_PortDescriptor port_type; - port_type = x->plugin.ladspa.type->PortDescriptors[i]; - - if (LADSPA_IS_PORT_AUDIO (port_type)) - { - if (LADSPA_IS_PORT_INPUT (port_type)) - { - x->num_audio_inputs++; - } - else if (LADSPA_IS_PORT_OUTPUT (port_type)) - { - x->num_audio_outputs++; - } - } - else if (LADSPA_IS_PORT_CONTROL (port_type)) - { - if (LADSPA_IS_PORT_INPUT (port_type)) - { - x->num_control_inputs++; - } - else if (LADSPA_IS_PORT_OUTPUT (port_type)) - { - x->num_control_outputs++; - } - } - } - -#if PLUGIN_TILDE_DEBUG - error ("DEBUG plugin~: plugin ports: audio %d/%d ctrl %d/%d", - x->num_audio_inputs, x->num_audio_outputs, - x->num_control_inputs, x->num_control_outputs); -#endif -} - -static void -plugin_tilde_ladspa_connect_control_ports (Pd_Plugin_Tilde* x) -{ - unsigned port_index = 0; - unsigned input_count = 0; - unsigned output_count = 0; - - input_count = 0; - output_count = 0; - for (port_index = 0; port_index < x->plugin.ladspa.type->PortCount; port_index++) - { - LADSPA_PortDescriptor port_type; - port_type = x->plugin.ladspa.type->PortDescriptors[port_index]; - - if (LADSPA_IS_PORT_CONTROL (port_type)) - { - if (LADSPA_IS_PORT_INPUT (port_type)) - { - x->plugin.ladspa.type->connect_port (x->plugin.ladspa.instance, - port_index, - &x->plugin.ladspa.control_input_values[input_count]); - x->plugin.ladspa.control_input_ports[input_count] = port_index; - input_count++; - } - else if (LADSPA_IS_PORT_OUTPUT (port_type)) - { - x->plugin.ladspa.type->connect_port (x->plugin.ladspa.instance, - port_index, - &x->plugin.ladspa.control_output_values[output_count]); - x->plugin.ladspa.control_output_ports[output_count] = port_index; - - output_count++; - } - } - } -} - -static int -plugin_tilde_ladspa_alloc_outofplace_memory (Pd_Plugin_Tilde* x, unsigned long buflen) -{ - assert (x != NULL); - - plugin_tilde_ladspa_free_outofplace_memory (x); - - if (LADSPA_IS_INPLACE_BROKEN (x->plugin.ladspa.type->Properties) - || PLUGIN_TILDE_FORCE_OUTOFPLACE) - { - unsigned i = 0; - - x->plugin.ladspa.outofplace_audio_outputs = (t_float**) - calloc (x->num_audio_outputs, sizeof (t_float*)); - if (x->plugin.ladspa.outofplace_audio_outputs == NULL) { - return 1; /* error */ - } - - for (i = 0; i < x->num_audio_outputs; i++) - { - x->plugin.ladspa.outofplace_audio_outputs[i] = (t_float*) - calloc (buflen, sizeof (t_float)); - if (x->plugin.ladspa.outofplace_audio_outputs[i] == NULL) { - /* FIXME free got buffers? */ - return 1; /* error */ - } - } - } - return 0; /* success */ -} - -static void -plugin_tilde_ladspa_free_outofplace_memory (Pd_Plugin_Tilde* x) -{ - assert (x != NULL); - - if (x->plugin.ladspa.outofplace_audio_outputs != NULL) - { - unsigned i = 0; - for (i = 0; i < x->num_audio_outputs; i++) - { - free (x->plugin.ladspa.outofplace_audio_outputs[i]); - } - free (x->plugin.ladspa.outofplace_audio_outputs); - x->plugin.ladspa.outofplace_audio_outputs = NULL; - } -} - -static int -plugin_tilde_ladspa_alloc_control_memory (Pd_Plugin_Tilde* x) -{ - x->plugin.ladspa.control_input_values = NULL; - x->plugin.ladspa.control_input_ports = NULL; - if (x->num_control_inputs > 0) - { - x->plugin.ladspa.control_input_values = (float*)calloc - (x->num_control_inputs, sizeof (float)); - x->plugin.ladspa.control_input_ports = (int*)calloc - (x->num_control_inputs, sizeof (int)); - if (x->plugin.ladspa.control_input_values == NULL - || x->plugin.ladspa.control_input_ports == NULL) { - return 1; /* error */ - } - } - x->plugin.ladspa.control_output_values = NULL; - x->plugin.ladspa.control_output_ports = NULL; - x->plugin.ladspa.prev_control_output_values = NULL; - if (x->num_control_outputs > 0) - { - x->plugin.ladspa.control_output_values = (float*)calloc - (x->num_control_outputs, sizeof (float)); - x->plugin.ladspa.control_output_ports = (int*)calloc - (x->num_control_outputs, sizeof (int)); - x->plugin.ladspa.prev_control_output_values = (float*)calloc - (x->num_control_outputs, sizeof (float)); - if (x->plugin.ladspa.control_output_values == NULL - || x->plugin.ladspa.prev_control_output_values == NULL - || x->plugin.ladspa.control_output_ports == NULL) { - return 1; /* error */ - } - } - /* Indicate initial conditions */ - x->plugin.ladspa.prev_control_output_values_invalid = 1; - return 0; /* success */ -} - -static void -plugin_tilde_ladspa_free_control_memory (Pd_Plugin_Tilde* x) -{ - if (x->plugin.ladspa.control_input_values != NULL) - { - free (x->plugin.ladspa.control_input_values); - x->plugin.ladspa.control_input_values = NULL; - } - if (x->plugin.ladspa.control_output_values != NULL) - { - free (x->plugin.ladspa.control_output_values); - x->plugin.ladspa.control_output_values = NULL; - } - if (x->plugin.ladspa.prev_control_output_values != NULL) - { - free (x->plugin.ladspa.prev_control_output_values); - x->plugin.ladspa.prev_control_output_values = NULL; - } - if (x->plugin.ladspa.control_input_ports != NULL) - { - free (x->plugin.ladspa.control_input_ports); - x->plugin.ladspa.control_input_ports = NULL; - } - if (x->plugin.ladspa.control_output_ports != NULL) - { - free (x->plugin.ladspa.control_output_ports); - x->plugin.ladspa.control_output_ports = NULL; - } -} - -#endif /* PLUGIN_TILDE_USE_LADSPA */ - -/* EOF */ |