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Diffstat (limited to 'pluginhost~/src/ph_common.c')
| -rw-r--r-- | pluginhost~/src/ph_common.c | 1117 |
1 files changed, 0 insertions, 1117 deletions
diff --git a/pluginhost~/src/ph_common.c b/pluginhost~/src/ph_common.c deleted file mode 100644 index 2915b15..0000000 --- a/pluginhost~/src/ph_common.c +++ /dev/null @@ -1,1117 +0,0 @@ -/* pluginhost~ - A plugin host for Pd - * - * Copyright (C) 2006 Jamie Bullock and others - * - * This file incorporates code from the following sources: - * - * jack-dssi-host (BSD-style license): Copyright 2004 Chris Cannam, Steve Harris and Sean Bolton. - * - * Hexter (GPL license): Copyright (C) 2004 Sean Bolton and others. - * - * plugin~ (GPL license): Copyright (C) 2000 Jarno Seppänen, remIXed 2005 - * - * liblo (CPL license): Copyright (C) 2004 Steve Harris - * - * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - */ - -#include <string.h> -#include <stdio.h> -#include <stdarg.h> -#include <stdlib.h> /* for exit() */ -#include <sys/types.h> /* for fork() */ -#include <signal.h> /* for kill() */ -#include <dirent.h> /* for readdir() */ -#include <dlfcn.h> /* for dlsym() */ -#include <assert.h> - -#include "dssi.h" - -#include "jutils.h" -#include "ph_common.h" - -#define DEBUG_STRING_SIZE 8192 - -/*From dx7_voice_data.c */ -uint8_t dx7_init_performance[DX7_PERFORMANCE_SIZE] = { 0, 0, 0, 2, 0, 0, 0, 0, - 0, 15, 1, 0, 4, 15, 2, 15, - 2, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0 -}; - -static LADSPA_Data ph_get_port_default(ph *x, int port) -{ - LADSPA_Descriptor *plugin = (LADSPA_Descriptor *)x->descriptor->LADSPA_Plugin; - LADSPA_PortRangeHint hint = plugin->PortRangeHints[port]; - float lower = hint.LowerBound * - (LADSPA_IS_HINT_SAMPLE_RATE(hint.HintDescriptor) ? x->sr : 1.0f); - float upper = hint.UpperBound * - (LADSPA_IS_HINT_SAMPLE_RATE(hint.HintDescriptor) ? x->sr : 1.0f); - - if (!LADSPA_IS_HINT_HAS_DEFAULT(hint.HintDescriptor)) { - if (!LADSPA_IS_HINT_BOUNDED_BELOW(hint.HintDescriptor) || - !LADSPA_IS_HINT_BOUNDED_ABOVE(hint.HintDescriptor)) { - /* No hint, its not bounded, wild guess */ - return 0.0f; - } - - if (lower <= 0.0f && upper >= 0.0f) { - /* It spans 0.0, 0.0 is often a good guess */ - return 0.0f; - } - - /* No clues, return minimum */ - return lower; - } - - /* Try all the easy ones */ - - if (LADSPA_IS_HINT_DEFAULT_0(hint.HintDescriptor)) { - return 0.0f; - } else if (LADSPA_IS_HINT_DEFAULT_1(hint.HintDescriptor)) { - return 1.0f; - } else if (LADSPA_IS_HINT_DEFAULT_100(hint.HintDescriptor)) { - return 100.0f; - } else if (LADSPA_IS_HINT_DEFAULT_440(hint.HintDescriptor)) { - return 440.0f; - } - - /* All the others require some bounds */ - - if (LADSPA_IS_HINT_BOUNDED_BELOW(hint.HintDescriptor)) { - if (LADSPA_IS_HINT_DEFAULT_MINIMUM(hint.HintDescriptor)) { - return lower; - } - } - if (LADSPA_IS_HINT_BOUNDED_ABOVE(hint.HintDescriptor)) { - if (LADSPA_IS_HINT_DEFAULT_MAXIMUM(hint.HintDescriptor)) { - return upper; - } - if (LADSPA_IS_HINT_BOUNDED_BELOW(hint.HintDescriptor)) { - if (LADSPA_IS_HINT_DEFAULT_LOW(hint.HintDescriptor)) { - return lower * 0.75f + upper * 0.25f; - } else if (LADSPA_IS_HINT_DEFAULT_MIDDLE(hint.HintDescriptor)) { - return lower * 0.5f + upper * 0.5f; - } else if (LADSPA_IS_HINT_DEFAULT_HIGH(hint.HintDescriptor)) { - return lower * 0.25f + upper * 0.75f; - } - } - } - - /* fallback */ - return 0.0f; -} - - - -static void ph_set_port_info(ph *x) -{ - t_int i; - - for (i = 0; i < (t_int)x->descriptor->LADSPA_Plugin->PortCount; i++) { - - x->port_info[i].type.a_type = A_SYMBOL; - x->port_info[i].data_type.a_type = A_SYMBOL; - x->port_info[i].name.a_type = A_SYMBOL; - x->port_info[i].upper_bound.a_type = A_FLOAT; - x->port_info[i].lower_bound.a_type = A_FLOAT; - x->port_info[i].p_default.a_type = A_FLOAT; - - LADSPA_PortDescriptor pod = - x->descriptor->LADSPA_Plugin->PortDescriptors[i]; - ph_debug_post("Port %d: %s", i, x->descriptor->LADSPA_Plugin->PortNames[i]); - - if (LADSPA_IS_PORT_AUDIO(pod)) { - x->port_info[i].data_type.a_w.w_symbol = - gensym("audio"); - if (LADSPA_IS_PORT_INPUT(pod)){ - x->port_info[i].type.a_w.w_symbol = - gensym("in"); - ++x->plugin_ins; - } - else if (LADSPA_IS_PORT_OUTPUT(pod)){ - x->port_info[i].type.a_w.w_symbol = - gensym("out"); - ++x->plugin_outs; - } - } - else if (LADSPA_IS_PORT_CONTROL(pod)) { - x->port_info[i].data_type.a_w.w_symbol = - gensym("control"); - if (LADSPA_IS_PORT_INPUT(pod)){ - x->port_info[i].type.a_w.w_symbol = - gensym("in"); - ++x->plugin_control_ins; - } - else if (LADSPA_IS_PORT_OUTPUT(pod)){ - ++x->plugin_control_outs; - x->port_info[i].type.a_w.w_symbol = - gensym("out"); - } - } - if (LADSPA_IS_HINT_BOUNDED_BELOW( - x->descriptor->LADSPA_Plugin->PortRangeHints[i].HintDescriptor)) - x->port_info[i].lower_bound.a_w.w_float = - x->descriptor->LADSPA_Plugin-> - PortRangeHints[i].LowerBound; - else - x->port_info[i].lower_bound.a_w.w_float = 0; - - if (LADSPA_IS_HINT_BOUNDED_ABOVE( - x->descriptor->LADSPA_Plugin->PortRangeHints[i].HintDescriptor)) - x->port_info[i].upper_bound.a_w.w_float = - x->descriptor->LADSPA_Plugin-> - PortRangeHints[i].UpperBound; - else - x->port_info[i].lower_bound.a_w.w_float = 1; - - x->port_info[i].p_default.a_w.w_float = (float) - ph_get_port_default(x, i); - - x->port_info[i].name.a_w.w_symbol = - gensym ((char *) - x->descriptor->LADSPA_Plugin->PortNames[i]); - } - ph_debug_post("%d inputs, %d outputs, %d control inputs, %d control outs", x->plugin_ins, x->plugin_outs, x->plugin_control_ins, x->plugin_control_outs); - -} - -static void ph_assign_ports(ph *x) -{ - unsigned int i; - - ph_debug_post("%d instances", x->n_instances); - - - x->plugin_ins *= x->n_instances; - x->plugin_outs *= x->n_instances; - x->plugin_control_ins *= x->n_instances; - x->plugin_control_outs *= x->n_instances; - - ph_debug_post("%d plugin outs", x->plugin_outs); - - - x->plugin_input_buffers = - (float **)malloc(x->plugin_ins * sizeof(float *)); - x->plugin_output_buffers = - (float **)malloc(x->plugin_outs * sizeof(float *)); - x->plugin_control_input = - (float *)calloc(x->plugin_control_ins, sizeof(float)); - x->plugin_control_output = - (float *)calloc(x->plugin_control_outs, sizeof(float)); - for(i = 0; i < x->plugin_ins; i++) - x->plugin_input_buffers[i] = - (float *)calloc(x->blksize, sizeof(float)); - for(i = 0; i < x->plugin_outs; i++) - x->plugin_output_buffers[i] = - (float *)calloc(x->blksize, sizeof(float)); - x->instance_event_buffers = - (snd_seq_event_t **)malloc(x->n_instances * sizeof(snd_seq_event_t *)); - - x->instance_handles = (LADSPA_Handle *)malloc(x->n_instances * - sizeof(LADSPA_Handle)); - x->instance_event_counts = (unsigned long *)malloc(x->n_instances * - sizeof(unsigned long)); - - for(i = 0; i < x->n_instances; i++){ - x->instance_event_buffers[i] = (snd_seq_event_t *)malloc(EVENT_BUFSIZE * - sizeof(snd_seq_event_t)); - - x->instances[i].plugin_port_ctlin_numbers = - (int *)malloc(x->descriptor->LADSPA_Plugin->PortCount * - sizeof(int)); - } - - x->plugin_ctlin_port_numbers = - (unsigned long *)malloc(sizeof(unsigned long) * x->plugin_control_ins); - - ph_debug_post("Buffers assigned!"); - - -} - -static void ph_init_instance(ph *x, unsigned int i) -{ - - x->instances[i].plugin_pgm_count = 0; - x->instances[i].ui_needs_pgm_update = 0; - x->instances[i].ui_osc_control_path = NULL; - x->instances[i].ui_osc_configure_path = NULL; - x->instances[i].ui_osc_program_path = NULL; - x->instances[i].ui_osc_show_path = NULL; - x->instances[i].ui_osc_hide_path = NULL; - x->instances[i].ui_osc_quit_path = NULL; - x->instances[i].osc_url_path = NULL; - x->instances[i].current_bank = 0; - x->instances[i].current_pgm = 0; - x->instances[i].pending_pgm_change = -1; - x->instances[i].pending_bank_lsb = -1; - x->instances[i].pending_bank_msb = -1; - x->instances[i].ui_hidden = 1; - x->instances[i].ui_show = 0; - memcpy(x->instances[i].perf_buffer, &dx7_init_performance, DX7_PERFORMANCE_SIZE); - - //x->instances[i].plugin_port_ctlin_numbers = NULL; - x->instances[i].plugin_pgms = NULL; - - ph_debug_post("Instance %d initialized!", i); - -} - -static void ph_connect_ports(ph *x, unsigned int i) -{ - - unsigned int n; - - for(n = 0; n < x->descriptor->LADSPA_Plugin->PortCount; n++){ - ph_debug_post("PortCount: %d of %d", n, - x->descriptor->LADSPA_Plugin->PortCount); - - LADSPA_PortDescriptor pod = - x->descriptor->LADSPA_Plugin->PortDescriptors[n]; - - x->instances[i].plugin_port_ctlin_numbers[n] = -1; - - if (LADSPA_IS_PORT_AUDIO(pod)) { - if (LADSPA_IS_PORT_INPUT(pod)) { - x->descriptor->LADSPA_Plugin->connect_port - (x->instance_handles[i], n, - x->plugin_input_buffers[x->ports_in++]); - } - else if (LADSPA_IS_PORT_OUTPUT(pod)) { - x->descriptor->LADSPA_Plugin->connect_port - (x->instance_handles[i], n, - x->plugin_output_buffers[x->ports_out++]); - ph_debug_post("Audio Input port %d connected", x->ports_in); - ph_debug_post("Audio Output port %d connected", x->ports_out); - - } - } - else if (LADSPA_IS_PORT_CONTROL(pod)) { - if (LADSPA_IS_PORT_INPUT(pod)) { - x->plugin_ctlin_port_numbers[x->ports_control_in] = (unsigned long) i; - x->instances[i].plugin_port_ctlin_numbers[n] = - x->ports_control_in; - x->plugin_control_input[x->ports_control_in] = - (t_float) ph_get_port_default(x, n); - ph_debug_post("default for port %d, control_in, %d is %.2f", n, - x->ports_control_in, - x->plugin_control_input[x->ports_control_in]); - - - x->descriptor->LADSPA_Plugin->connect_port - (x->instance_handles[i], n, - &x->plugin_control_input[x->ports_control_in++]); - - } else if (LADSPA_IS_PORT_OUTPUT(pod)) { - x->descriptor->LADSPA_Plugin->connect_port - (x->instance_handles[i], n, - &x->plugin_control_output[x->ports_control_out++]); - } - ph_debug_post("control port %d connected", x->ports_control_in); - ph_debug_post("control port %d connected", x->ports_control_out); - - } - } -} - -static void ph_activate_plugin(ph *x, unsigned int i) -{ - - if(x->descriptor->LADSPA_Plugin->activate){ - ph_debug_post("trying to activate instance: %d", i); - - x->descriptor->LADSPA_Plugin->activate(x->instance_handles[i]); - } - ph_debug_post("plugin activated!"); - -} - -static void ph_deactivate_plugin(ph *x, unsigned int instance) -{ - - if(x->descriptor->LADSPA_Plugin->deactivate) { - x->descriptor->LADSPA_Plugin->deactivate(x->instance_handles[instance]); - } - ph_debug_post("plugin deactivated!"); - -} - -static void ph_cleanup_plugin(ph *x, unsigned int instance) -{ - if (x->descriptor->LADSPA_Plugin && - x->descriptor->LADSPA_Plugin->cleanup) { - x->descriptor->LADSPA_Plugin->cleanup - (x->instance_handles[instance]); - } -} - -static void ph_get_current_pgm(ph *x, unsigned int i) -{ - t_int argc = 3; - t_atom argv[argc]; - ph_instance *instance; - unsigned int pgm; - - instance = &x->instances[i]; - pgm = instance->current_pgm; - - SETFLOAT(argv, i); - SETFLOAT(argv+1, instance->plugin_pgms[pgm].Program); - SETSYMBOL(argv+2, gensym(instance->plugin_pgms[pgm].Name)); - outlet_anything(x->message_out, gensym ("program"), argc, argv); - -} - -static void ph_init_programs(ph *x, unsigned int i) -{ - ph_instance *instance = &x->instances[i]; - ph_debug_post("Setting up program data"); - ph_query_programs(x, i); - - if (x->descriptor->select_program && instance->plugin_pgm_count > 0) { - - /* select program at index 0 */ - unsigned long bank = instance->plugin_pgms[0].Bank; - instance->pending_bank_msb = bank / 128; - instance->pending_bank_lsb = bank % 128; - instance->pending_pgm_change = instance->plugin_pgms[0].Program; - instance->ui_needs_pgm_update = 1; - } -} - -/* TODO:OSC */ -#if 0 -static void ph_load_gui(ph *x, int instance) -{ - t_int err = 0; - char *gui_path; - struct dirent *dir_entry = NULL; - char *gui_base; - size_t baselen; - DIR *dp; - char *gui_str; - - gui_base = (char *)malloc((baselen = sizeof(char) * (strlen(x->plugin_full_path) - strlen(".so"))) + 1); - - strncpy(gui_base, x->plugin_full_path, baselen); - gui_base[baselen] = '\0'; - - /* don't use strndup - GNU only */ - /* gui_base = strndup(x->plugin_full_path, baselen);*/ - ph_debug_post("gui_base: %s", gui_base); - - - gui_str = (char *)malloc(sizeof(char) * (strlen("channel 00") + 1)); - sprintf (gui_str,"channel %02d", instance); - - ph_debug_post("GUI name string, %s", gui_str); - - - if(!(dp = opendir(gui_base))){ - post("pluginhost~: unable to find GUI in %s, continuing without...", gui_base); - return; - } - else { - while((dir_entry = readdir(dp))){ - if (dir_entry->d_name[0] == '.') continue; - if (strchr(dir_entry->d_name, '_')){ - if (strstr(dir_entry->d_name, "gtk") || - strstr(dir_entry->d_name, "qt") || - strstr(dir_entry->d_name, "text")) - break; - } - } - ph_debug_post("GUI filename: %s", dir_entry->d_name); - - } - - gui_path = (char *)malloc(sizeof(char) * (strlen(gui_base) + strlen("/") + - strlen(dir_entry->d_name) + 1)); - - sprintf(gui_path, "%s/%s", gui_base, dir_entry->d_name); - - free(gui_base); - ph_debug_post("gui_path: %s", gui_path); - - - /* osc_url_base was of the form: - * osc.udp://127.0.0.1:9997/dssi - */ - osc_url = (char *)malloc - (sizeof(char) * (strlen(x->osc_url_base) + - strlen(instance->osc_url_path) + 2)); - - sprintf(osc_url, "%s/%s", x->osc_url_base, - instance->osc_url_path); - post("pluginhost~: instance %d URL: %s",instance, osc_url); - ph_debug_post("Trying to open GUI!"); - - - instance->gui_pid = fork(); - if (instance->gui_pid == 0){ - err = execlp(gui_path, gui_path, osc_url, dir_entry->d_name, - x->descriptor->LADSPA_Plugin->Label, gui_str, NULL); - perror("exec failed"); - exit(1); /* terminates the process */ - } - - ph_debug_post("errorcode = %d", err); - - - free(gui_path); - free(osc_url); - free(gui_str); - if(dp){ - - ph_debug_post("directory handle closed = %d", closedir(dp)); - - } -} -#endif - -static t_int ph_configure_buffer_free(ph *x) -{ - ph_configure_pair *curr, *prev; - prev = curr = NULL; - - for(curr = x->configure_buffer_head; curr != NULL; curr = curr->next){ - if(prev != NULL) - free(prev); - free(curr->key); - free(curr->value); - prev = curr; - } - free(curr); - - return 0; -} - -static void ph_search_plugin_callback ( - const char* full_filename, - void* plugin_handle, - DSSI_Descriptor_Function descriptor_function, - void* user_data, - int is_dssi) -{ - DSSI_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) - { - ph_debug_post("pluginhost~: searching plugin \"%s\"...", full_filename); - - for(plug_index = 0;(is_dssi ? - (descriptor = - (DSSI_Descriptor *)descriptor_function(plug_index)) : - ((DSSI_Descriptor *)(descriptor = - ladspa_to_dssi((LADSPA_Descriptor *) - descriptor_function(plug_index)))->LADSPA_Plugin)) - != NULL; plug_index++){ - ph_debug_post("pluginhost~: label \"%s\"", descriptor->LADSPA_Plugin->Label); - - if (strcasecmp (name, descriptor->LADSPA_Plugin->Label) - == 0) - { - *out_lib_name = strdup (full_filename); - ph_debug_post("pluginhost~: found plugin \"%s\" in library \"%s\"", - name, full_filename); - - /* if(!is_dssi){ - free((DSSI_Descriptor *)descriptor); - descriptor = NULL; - }*/ - break; - } - /* if (descriptor != NULL){ - free((DSSI_Descriptor *)descriptor); - descriptor = NULL; - }*/ - } - } -} - -static const char* plugin_tilde_search_plugin_by_label (ph *x, - const char *name) -{ - char* lib_name = NULL; - void* user_data[2]; - - user_data[0] = (void*)(&lib_name); - user_data[1] = (void*)name; - ph_debug_post("search plugin by label: '%s'\n", name); - - - lib_name = NULL; - LADSPAPluginSearch (ph_search_plugin_callback, - (void*)user_data); - - /* The callback (allocates and) writes lib_name, if it finds the plugin */ - return lib_name; - -} - -static void osc_setup(ph *x, unsigned int i) -{ - ph_instance *instance = &x->instances[i]; - - if(i == 0){ - x->osc_port = OSC_PORT; - } - instance->osc_url_path = malloc(sizeof(char) * - (strlen(x->plugin_basename) + - strlen(x->descriptor->LADSPA_Plugin->Label) + - //strlen("chan00") + 3)); - 6 + 3)); - sprintf(instance->osc_url_path, "%s/%s/chan%02d", x->plugin_basename, - x->descriptor->LADSPA_Plugin->Label, i); - ph_debug_post("OSC Path is: %s", instance->osc_url_path); - -} - -/* ==================================== */ - -void ph_debug_post(const char *fmt, ...) -{ -#if DEBUG == 1 - unsigned int currpos; - char newfmt[DEBUG_STRING_SIZE]; - char result[DEBUG_STRING_SIZE]; - size_t fmt_length; - va_list args; - - fmt_length = strlen(fmt); - - sprintf(newfmt, "%s: ", PH_NAME); - strncat(newfmt, fmt, fmt_length); - currpos = strlen(PH_NAME) + 2 + fmt_length; - newfmt[currpos] = '\0'; - - va_start(args, fmt); - vsprintf(result, newfmt, args); - va_end(args); - - post(result); -#endif -} - -void ph_quit_plugin(ph *x) -{ - - unsigned int i; - t_atom argv[2]; - t_int argc; - ph_instance *instance; - - argc = 2; - - for(i = 0; i < x->n_instances; i++) { - instance = &x->instances[i]; - if(x->is_dssi){ - argc = 2; - if(instance->ui_osc_quit_path != NULL) { - SETSYMBOL(argv, gensym(instance->ui_osc_quit_path)); - SETSYMBOL(argv+1, gensym("")); - ph_instance_send_osc(x->message_out, instance, argc, argv); - } - } - ph_deactivate_plugin(x, i); - ph_cleanup_plugin(x, i); - } -} - -void ph_query_programs(ph *x, unsigned int i) -{ - unsigned int n; - ph_instance *instance = &x->instances[i]; - ph_debug_post("querying programs"); - - /* free old lot */ - if (instance->plugin_pgms != NULL) { - for (n = 0; n < instance->plugin_pgm_count; n++) { - free((void *)instance->plugin_pgms[n].Name); - } - free(instance->plugin_pgms); - instance->plugin_pgms = NULL; - instance->plugin_pgm_count = 0; - } - - instance->pending_bank_lsb = -1; - instance->pending_bank_msb = -1; - instance->pending_pgm_change = -1; - - if (x->descriptor->get_program && - x->descriptor->select_program) { - - /* Count the plugins first */ - for (n = 0; x->descriptor-> - get_program(x->instance_handles[i], n); ++n); - - if (n > 0) { - instance->plugin_pgm_count = n; - instance->plugin_pgms = malloc(n * sizeof(DSSI_Program_Descriptor)); - while (n > 0) { - const DSSI_Program_Descriptor *descriptor; - --n; - descriptor = x->descriptor->get_program( - x->instance_handles[i], n); - instance->plugin_pgms[n].Bank = descriptor->Bank; - instance->plugin_pgms[n].Program = descriptor->Program; - instance->plugin_pgms[n].Name = strdup(descriptor->Name); - ph_debug_post("program %d is MIDI bank %lu program %lu," - " named '%s'",i, - instance->plugin_pgms[n].Bank, - instance->plugin_pgms[n].Program, - instance->plugin_pgms[n].Name); - } - } else { - assert(instance->plugin_pgm_count == 0); - } - } -} - -void ph_program_change(ph *x, unsigned int i) -{ - /* jack-dssi-host queues program changes by using pending program change variables. In the audio callback, if a program change is received via MIDI it over writes the pending value (if any) set by the GUI. If unset, or processed the value will default back to -1. The following call to select_program is then made. I don't think it eventually needs to be done this way - i.e. do we need 'pending'? */ - ph_instance *instance; - t_int argc = 3; - t_atom argv[argc]; - - instance = &x->instances[i]; - - ph_debug_post("executing program change"); - - if (instance->pending_pgm_change >= 0){ - if (instance->pending_bank_lsb >= 0) { - if (instance->pending_bank_msb >= 0) { - instance->current_bank = - instance->pending_bank_lsb + 128 * instance->pending_bank_msb; - } else { - instance->current_bank = instance->pending_bank_lsb + - 128 * (instance->current_bank / 128); - } - } else if (instance->pending_bank_msb >= 0) { - instance->current_bank = - (instance->current_bank % 128) + 128 * instance->pending_bank_msb; - } - - instance->current_pgm = instance->pending_pgm_change; - - if (x->descriptor->select_program) { - x->descriptor->select_program(x->instance_handles[i], - instance->current_bank, instance->current_pgm); - } - if (instance->ui_needs_pgm_update){ - ph_debug_post("Updating GUI program"); - - /* TODO - this is a hack to make text ui work*/ - if(x->is_dssi){ - // FIX: need to check this because if we don't have a UI, - // update didn't get called - if (false) { - SETSYMBOL(argv, gensym(instance->ui_osc_program_path)); - SETFLOAT(argv+1, instance->current_bank); - SETFLOAT(argv+2, instance->current_pgm); - ph_instance_send_osc(x->message_out, instance, argc, argv); - } - } - - } - instance->ui_needs_pgm_update = 0; - instance->pending_pgm_change = -1; - instance->pending_bank_msb = -1; - instance->pending_bank_lsb = -1; - } - ph_get_current_pgm(x, i); -} - -char *ph_send_configure(ph *x, const char *key, const char *value, - unsigned int i) -{ - - char *debug; - - debug = x->descriptor->configure(x->instance_handles[i], key, value); - /* TODO:OSC */ - /* if(instance->ui_target != NULL && x->is_dssi) { - lo_send(instance->ui_target, - instance->ui_osc_configure_path, - "ss", key, value); - } - */ - ph_query_programs(x, i); - - return debug; -} - -void ph_instance_send_osc(t_outlet *outlet, ph_instance *instance, - t_int argc, t_atom *argv) -{ - - outlet_anything(outlet, gensym("connect"), UI_TARGET_ELEMS, - instance->ui_target); - outlet_anything(outlet, gensym("send"), argc, argv); - outlet_anything(outlet, gensym("disconnect"), 0, NULL); - -} - -void *ph_load_plugin(ph *x, t_int argc, t_atom *argv) -{ - char *plugin_basename = NULL, - *plugin_full_path = NULL, - *tmpstr, - *plugin_label, - plugin_dir[MAXPDSTRING]; - - ph_debug_post("argc = %d", argc); - - unsigned int i; - int stop; - int fd; - size_t pathlen; - - stop = 0; - - if (!argc){ - pd_error(x, "no arguments given, please supply a path"); - return x; - } - - char *argstr = strdup(argv[0].a_w.w_symbol->s_name); - - if(strstr(argstr, ":") != NULL){ - tmpstr = strtok(argstr, ":"); - plugin_full_path = strdup(tmpstr); - plugin_label = strtok(NULL, ":"); - // first part of the string is empty, i.e. ':mystring' - if (plugin_label == NULL) { - x->plugin_label = plugin_full_path; - plugin_full_path = NULL; - } else { - x->plugin_label = strdup(plugin_label); - } - } else { - x->plugin_label = strdup(argstr); - tmpstr = (char *)plugin_tilde_search_plugin_by_label(x, x->plugin_label); - if(tmpstr) { - plugin_full_path = strdup(tmpstr); - } - } - - free(argstr); - ph_debug_post("plugin path = %s", plugin_full_path); - ph_debug_post("plugin name = %s", x->plugin_label); - - if(plugin_full_path == NULL){ - pd_error(x, "can't get path to plugin"); - return x; - } - - x->plugin_full_path = (char *)plugin_full_path; - - /* search for it in the 'canvas' path, which - * includes the Pd search dirs and any 'extra' paths set with - * [declare] */ - fd = canvas_open(x->x_canvas, plugin_full_path, "", - plugin_dir, &plugin_basename, MAXPDSTRING, 0); - - if (fd >= 0) { - ph_debug_post("plugin directory is %s, filename is %s", - plugin_dir, plugin_basename); - - x->plugin_basename = strdup(plugin_basename); - pathlen = strlen(plugin_dir); - tmpstr = &plugin_dir[pathlen]; - sprintf(tmpstr, "/%s", plugin_basename); - tmpstr = plugin_dir; - x->plugin_handle = loadLADSPAPluginLibrary(tmpstr); - } else { - /* try to load as is: this will work if plugin_full_path is an - * absolute path, or the name of a library that is in DSSI_PATH - * or LADSPA_PATH environment variables */ - x->plugin_handle = loadLADSPAPluginLibrary(plugin_full_path); - } - - if (x->plugin_handle == NULL) { - error("pluginhost~: can't find plugin in Pd paths, " - "try using [declare] to specify the path."); - return x; - } - - tmpstr = strdup(plugin_full_path); - /* Don't bother working out the plugin name if we used canvas_open() - * to get the path */ - if(plugin_basename == NULL){ - if(!strstr(tmpstr, ".so")){ - pd_error(x, "invalid plugin path, must end in .so"); - return x; - } - plugin_basename = strtok((char *)tmpstr, "/"); - while(strstr(plugin_basename, ".so") == NULL) { - plugin_basename = strtok(NULL, "/"); - } - x->plugin_basename = strdup(plugin_basename); - ph_debug_post("plugin basename = %s", x->plugin_basename); - } - free(tmpstr); - if((x->desc_func = (DSSI_Descriptor_Function)dlsym(x->plugin_handle, - "dssi_descriptor"))){ - x->is_dssi = true; - x->descriptor = (DSSI_Descriptor *)x->desc_func(0); - } - else if((x->desc_func = - (DSSI_Descriptor_Function)dlsym(x->plugin_handle, - "ladspa_descriptor"))){ - x->is_dssi = false; - x->descriptor = ladspa_to_dssi((LADSPA_Descriptor *)x->desc_func(0)); - } - - if(argc >= 2) { - x->n_instances = (t_int)argv[1].a_w.w_float; - } else { - x->n_instances = 1; - } - - ph_debug_post("n_instances = %d", x->n_instances); - - x->instances = (ph_instance *)malloc(sizeof(ph_instance) * - x->n_instances); - - if(!x->descriptor){ - pd_error(x, "error: couldn't get plugin descriptor"); - return x; - } - - ph_debug_post("%s loaded successfully!", - x->descriptor->LADSPA_Plugin->Label); - - x->port_info = (ph_port_info *)malloc - (x->descriptor->LADSPA_Plugin->PortCount * - sizeof(ph_port_info)); - - ph_set_port_info(x); - ph_assign_ports(x); - - for(i = 0; i < x->n_instances; i++){ - x->instance_handles[i] = - x->descriptor->LADSPA_Plugin-> - instantiate(x->descriptor->LADSPA_Plugin, x->sr); - if (!x->instance_handles[i]){ - pd_error(x, "instantiation of instance %d failed", i); - stop = 1; - break; - } - } - - if(!stop){ - for(i = 0;i < x->n_instances; i++) - ph_init_instance(x, i); - for(i = 0;i < x->n_instances; i++) - ph_connect_ports(x, i); - for(i = 0;i < x->n_instances; i++) - ph_activate_plugin(x, i); - - if(x->is_dssi){ - for(i = 0;i < x->n_instances; i++) - osc_setup(x, i); -#if LOADGUI - for(i = 0;i < x->n_instances; i++) - ph_load_gui(x, i); -#endif - - for(i = 0;i < x->n_instances; i++) - ph_init_programs(x, i); - - for(i = 0; i < x->n_instances && i < 128; i++){ - x->channel_map[i] = i; - } - } - } - - x->message_out = outlet_new (&x->x_obj, gensym("control")); - - if(x->plugin_outs){ - x->outlets = (t_outlet **)getbytes(x->plugin_outs * sizeof(t_outlet *)); - for(i = 0;i < x->plugin_outs; i++) - x->outlets[i] = outlet_new(&x->x_obj, &s_signal); - } - else { - pd_error(x, "plugin has no outputs"); - } - if(x->plugin_ins){ - x->inlets = (t_inlet **)getbytes(x->plugin_ins * sizeof(t_inlet *)); - for(i = 0;i < x->plugin_ins; i++) { - x->inlets[i] = inlet_new(&x->x_obj, &x->x_obj.ob_pd, - &s_signal, &s_signal); - } - } - else { - pd_error(x, "plugin has no inputs"); - } - - x->dsp = true; - post("%s: %d instances of %s, ready.", PH_NAME, x->n_instances, - x->plugin_label); - - return (void *)x; -} - -void ph_init_plugin(ph *x) -{ - - x->port_info = NULL; - x->descriptor = NULL; - x->instance_event_counts = NULL; - x->instances = NULL; - x->instance_handles = NULL; - x->osc_url_base = NULL; - x->configure_buffer_head = NULL; - x->project_dir = NULL; - x->outlets = NULL; - x->inlets = NULL; - x->message_out = NULL; - x->plugin_handle = NULL; - x->plugin_full_path = NULL; - x->plugin_label = NULL; - x->plugin_basename = NULL; - x->plugin_control_input = NULL; - x->plugin_control_output = NULL; - x->plugin_input_buffers = NULL; - x->plugin_output_buffers = NULL; - x->plugin_ctlin_port_numbers = NULL; - x->plugin_ins = 0; - x->plugin_outs = 0; - x->plugin_control_ins = 0; - x->plugin_control_outs = 0; - x->is_dssi = 0; - x->n_instances = 0; - x->dsp = 0; - x->dsp_loop = 0; - x->ports_in = 0; - x->ports_out = 0; - x->ports_control_in = 0; - x->ports_control_out = 0; - x->buf_write_index = 0; - x->buf_read_index = 0; - -} - -void ph_free_plugin(ph *x) -{ - unsigned int i; - unsigned int n; - - if(x->plugin_label != NULL) { - free((char *)x->plugin_label); - } - - if(x->plugin_handle == NULL) { - return; - } - - free((LADSPA_Handle)x->instance_handles); - free(x->plugin_ctlin_port_numbers); - free((t_float *)x->plugin_input_buffers); - free(x->instance_event_counts); - free(x->plugin_control_input); - free(x->plugin_control_output); - - i = x->n_instances; - - while(i--){ - ph_instance *instance = &x->instances[i]; - - /* TODO:OSC */ - /* - if(instance->gui_pid){ - ph_debug_post("Killing GUI process PID = %d", instance->gui_pid); - - kill(instance->gui_pid, SIGINT); - } */ - if (instance->plugin_pgms) { - for (n = 0; n < instance->plugin_pgm_count; n++) { - free((void *)instance->plugin_pgms[n].Name); - } - free(instance->plugin_pgms); - instance->plugin_pgms = NULL; - instance->plugin_pgm_count = 0; - } - free(x->instance_event_buffers[i]); - if(x->is_dssi){ - free(instance->ui_osc_control_path); - free(instance->ui_osc_configure_path); - free(instance->ui_osc_program_path); - free(instance->ui_osc_show_path); - free(instance->ui_osc_hide_path); - free(instance->ui_osc_quit_path); - free(instance->osc_url_path); - } - free(instance->plugin_port_ctlin_numbers); - if(x->plugin_outs) { - free(x->plugin_output_buffers[i]); - } - } - if(x->is_dssi) { - if(x->project_dir != NULL) { - free(x->project_dir); - } - free(x->osc_url_base); - ph_configure_buffer_free(x); - } - free((snd_seq_event_t *)x->instance_event_buffers); - free(x->instances); - free((t_float *)x->plugin_output_buffers); - - if(x->plugin_ins){ - for(n = 0; n < x->plugin_ins; n++) { - inlet_free((t_inlet *)x->inlets[n]); - } - freebytes(x->inlets, x->plugin_ins * sizeof(t_inlet *)); - } - - if(x->plugin_outs){ - for(n = 0; n < x->plugin_outs; n++) { - outlet_free((t_outlet *)x->outlets[n]); - } - freebytes(x->outlets, x->plugin_outs * sizeof(t_outlet *)); - } - if(x->message_out) { - outlet_free(x->message_out); - } - if(x->plugin_basename) { - free(x->plugin_basename); - } - if(x->port_info) { - free(x->port_info); - } -} - -DSSI_Descriptor *ladspa_to_dssi(LADSPA_Descriptor *ladspaDesc) -{ - DSSI_Descriptor *dssiDesc; - dssiDesc = (DSSI_Descriptor *)calloc(1, sizeof(DSSI_Descriptor)); - ((DSSI_Descriptor *)dssiDesc)->DSSI_API_Version = 1; - ((DSSI_Descriptor *)dssiDesc)->LADSPA_Plugin = - (LADSPA_Descriptor *)ladspaDesc; - return (DSSI_Descriptor *)dssiDesc; -} |