diff options
author | David Robillard <d@drobilla.net> | 2012-08-19 19:24:44 +0000 |
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committer | David Robillard <d@drobilla.net> | 2012-08-19 19:24:44 +0000 |
commit | 6a651aca0de7262e805ff8edb12cdc4692009997 (patch) | |
tree | f14451d008ea578c162df85d2e2605a227bf4bf6 /src/power_4400.c | |
parent | 5de48cab1d561e6b37502fe823922b94d1489eda (diff) |
Move omins to plugins directory.
git-svn-id: http://svn.drobilla.net/lad/trunk/plugins/omins.lv2@4725 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/power_4400.c')
-rw-r--r-- | src/power_4400.c | 228 |
1 files changed, 0 insertions, 228 deletions
diff --git a/src/power_4400.c b/src/power_4400.c deleted file mode 100644 index 95bf1bf..0000000 --- a/src/power_4400.c +++ /dev/null @@ -1,228 +0,0 @@ -/* Base to the power of Exponent plugin. - * Copyright 2005 Thorsten Wilms. - * - * Based on David Robillard's "Hz to AMS style V/Oct" plugin for the skeleton, - * and there's not much else in here :). - * - * This plugin 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 plugin 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 - * 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 St, Fifth Floor, Boston, MA 02110-1301, USA - */ - -#define _XOPEN_SOURCE 500 /* strdup */ -#include <stdlib.h> -#include <string.h> -#include <math.h> - -#include "ladspa.h" - -#define POWER_BASE_ID 4400 - -#define POWER_NUM_PORTS 3 - -/* Port Numbers */ -#define POWER_BASE 0 -#define POWER_EXPONENT 1 -#define POWER_RESULT 2 - -/* All state information for plugin */ -typedef struct -{ - /* Ports */ - LADSPA_Data* base_buffer; - LADSPA_Data* exponent_buffer; - LADSPA_Data* result_buffer; -} POWER; - -/* Construct a new plugin instance */ -LADSPA_Handle -POWER_instantiate(const LADSPA_Descriptor* descriptor, - unsigned long srate) -{ - return (LADSPA_Handle)malloc(sizeof(POWER)); -} - -/* Connect a port to a data location */ -void -POWER_connect_port(LADSPA_Handle instance, - unsigned long port, - LADSPA_Data* location) -{ - POWER* plugin; - - plugin = (POWER*)instance; - switch (port) { - case POWER_BASE: - plugin->base_buffer = location; - break; - case POWER_EXPONENT: - plugin->exponent_buffer = location; - break; - case POWER_RESULT: - plugin->result_buffer = location; - break; - } -} - -void -POWER_run_cr(LADSPA_Handle instance, unsigned long nframes) -{ - POWER* plugin = (POWER*)instance; - - *plugin->result_buffer = powf(*plugin->base_buffer, *plugin->exponent_buffer); -} - -void -POWER_run_ar(LADSPA_Handle instance, unsigned long nframes) -{ - const POWER* const plugin = (POWER*)instance; - const LADSPA_Data* const base = plugin->base_buffer; - const LADSPA_Data* const exponent = plugin->exponent_buffer; - LADSPA_Data* const result = plugin->result_buffer; - unsigned long i; - - for (i = 0; i < nframes; ++i) - result[i] = powf(base[i], exponent[i]); -} - -void -POWER_cleanup(LADSPA_Handle instance) -{ - free(instance); -} - -LADSPA_Descriptor* power_cr_desc = NULL; -LADSPA_Descriptor* power_ar_desc = NULL; - -/* Called automatically when the plugin library is first loaded. */ -void -_init() -{ - char** port_names; - LADSPA_PortDescriptor* port_descriptors; - LADSPA_PortRangeHint* port_range_hints; - - power_cr_desc = (LADSPA_Descriptor*)malloc(sizeof(LADSPA_Descriptor)); - power_ar_desc = (LADSPA_Descriptor*)malloc(sizeof(LADSPA_Descriptor)); - - if (power_cr_desc) { - - power_cr_desc->UniqueID = POWER_BASE_ID; - power_cr_desc->Label = strdup("power_cr"); - power_cr_desc->Properties = LADSPA_PROPERTY_HARD_RT_CAPABLE; - power_cr_desc->Name = strdup("Power (CR)"); - power_cr_desc->Maker = strdup("Thorsten Wilms"); - power_cr_desc->Copyright = strdup("GPL"); - power_cr_desc->PortCount = POWER_NUM_PORTS; - port_descriptors = (LADSPA_PortDescriptor*)calloc(POWER_NUM_PORTS, sizeof(LADSPA_PortDescriptor)); - power_cr_desc->PortDescriptors = (const LADSPA_PortDescriptor*)port_descriptors; - port_descriptors[POWER_BASE] = LADSPA_PORT_INPUT | LADSPA_PORT_CONTROL; - port_descriptors[POWER_EXPONENT] = LADSPA_PORT_INPUT | LADSPA_PORT_CONTROL; - port_descriptors[POWER_RESULT] = LADSPA_PORT_OUTPUT | LADSPA_PORT_CONTROL; - port_names = (char**)calloc(POWER_NUM_PORTS, sizeof(char*)); - power_cr_desc->PortNames = (const char**)port_names; - port_names[POWER_BASE] = strdup("Base"); - port_names[POWER_EXPONENT] = strdup("Exponent"); - port_names[POWER_RESULT] = strdup("Result"); - port_range_hints = ((LADSPA_PortRangeHint *) - calloc(POWER_NUM_PORTS, sizeof(LADSPA_PortRangeHint))); - power_cr_desc->PortRangeHints = (const LADSPA_PortRangeHint*)port_range_hints; - port_range_hints[POWER_BASE].HintDescriptor = 0; - port_range_hints[POWER_EXPONENT].HintDescriptor = 0; - port_range_hints[POWER_RESULT].HintDescriptor = 0; - power_cr_desc->instantiate = POWER_instantiate; - power_cr_desc->connect_port = POWER_connect_port; - power_cr_desc->activate = NULL; - power_cr_desc->run = POWER_run_cr; - power_cr_desc->run_adding = NULL; - power_cr_desc->set_run_adding_gain = NULL; - power_cr_desc->deactivate = NULL; - power_cr_desc->cleanup = POWER_cleanup; - } - - if (power_ar_desc) { - - power_ar_desc->UniqueID = POWER_BASE_ID+1; - power_ar_desc->Label = strdup("power"); - power_ar_desc->Properties = LADSPA_PROPERTY_HARD_RT_CAPABLE; - power_ar_desc->Name = strdup("Power (AR)"); - power_ar_desc->Maker = strdup("Thorsten Wilms"); - power_ar_desc->Copyright = strdup("GPL"); - power_ar_desc->PortCount = POWER_NUM_PORTS; - port_descriptors = (LADSPA_PortDescriptor*)calloc(POWER_NUM_PORTS, sizeof(LADSPA_PortDescriptor)); - power_ar_desc->PortDescriptors = (const LADSPA_PortDescriptor*)port_descriptors; - port_descriptors[POWER_BASE] = LADSPA_PORT_INPUT | LADSPA_PORT_AUDIO; - port_descriptors[POWER_EXPONENT] = LADSPA_PORT_INPUT | LADSPA_PORT_AUDIO; - port_descriptors[POWER_RESULT] = LADSPA_PORT_OUTPUT | LADSPA_PORT_AUDIO; - port_names = (char**)calloc(POWER_NUM_PORTS, sizeof(char*)); - power_ar_desc->PortNames = (const char**)port_names; - port_names[POWER_BASE] = strdup("Base"); - port_names[POWER_EXPONENT] = strdup("Exponent"); - port_names[POWER_RESULT] = strdup("Result"); - port_range_hints = ((LADSPA_PortRangeHint *) - calloc(POWER_NUM_PORTS, sizeof(LADSPA_PortRangeHint))); - power_ar_desc->PortRangeHints = (const LADSPA_PortRangeHint*)port_range_hints; - port_range_hints[POWER_BASE].HintDescriptor = 0; - port_range_hints[POWER_EXPONENT].HintDescriptor = 0; - port_range_hints[POWER_RESULT].HintDescriptor = 0; - power_ar_desc->instantiate = POWER_instantiate; - power_ar_desc->connect_port = POWER_connect_port; - power_ar_desc->activate = NULL; - power_ar_desc->run = POWER_run_ar; - power_ar_desc->run_adding = NULL; - power_ar_desc->set_run_adding_gain = NULL; - power_ar_desc->deactivate = NULL; - power_ar_desc->cleanup = POWER_cleanup; - } -} - -void -POWER_delete_descriptor(LADSPA_Descriptor* psDescriptor) -{ - unsigned long lIndex; - if (psDescriptor) { - free((char*)psDescriptor->Label); - free((char*)psDescriptor->Name); - free((char*)psDescriptor->Maker); - free((char*)psDescriptor->Copyright); - free((LADSPA_PortDescriptor *)psDescriptor->PortDescriptors); - for (lIndex = 0; lIndex < psDescriptor->PortCount; lIndex++) - free((char*)(psDescriptor->PortNames[lIndex])); - free((char**)psDescriptor->PortNames); - free((LADSPA_PortRangeHint *)psDescriptor->PortRangeHints); - free(psDescriptor); - } -} - -/* Called automatically when the library is unloaded. */ -void -_fini() -{ - POWER_delete_descriptor(power_cr_desc); - POWER_delete_descriptor(power_ar_desc); -} - -/* Return a descriptor of the requested plugin type. */ -const LADSPA_Descriptor* -ladspa_descriptor(unsigned long Index) -{ - switch (Index) { - case 0: - return power_cr_desc; - case 1: - return power_ar_desc; - default: - return NULL; - } -} - |