diff options
Diffstat (limited to 'src/plugininstance.c')
| -rw-r--r-- | src/plugininstance.c | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/src/plugininstance.c b/src/plugininstance.c deleted file mode 100644 index 55e0f99..0000000 --- a/src/plugininstance.c +++ /dev/null @@ -1,143 +0,0 @@ -/* - Copyright 2007-2011 David Robillard <http://drobilla.net> - - Permission to use, copy, modify, and/or distribute this software for any - purpose with or without fee is hereby granted, provided that the above - copyright notice and this permission notice appear in all copies. - - THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. -*/ - -#define _XOPEN_SOURCE 500 - -#include <assert.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -#include "lilv_internal.h" - -LILV_API -LilvInstance* -lilv_plugin_instantiate(const LilvPlugin* plugin, - double sample_rate, - const LV2_Feature*const* features) -{ - LilvInstance* result = NULL; - - const LV2_Feature** local_features = NULL; - if (features == NULL) { - local_features = malloc(sizeof(LV2_Feature)); - local_features[0] = NULL; - } - - const char* const lib_uri = lilv_value_as_uri(lilv_plugin_get_library_uri(plugin)); - const char* const lib_path = lilv_uri_to_path(lib_uri); - - if (!lib_path) - return NULL; - - dlerror(); - void* lib = dlopen(lib_path, RTLD_NOW); - if (!lib) { - LILV_ERRORF("Unable to open library %s (%s)\n", lib_path, dlerror()); - return NULL; - } - - LV2_Descriptor_Function df = (LV2_Descriptor_Function) - lilv_dlfunc(lib, "lv2_descriptor"); - - if (!df) { - LILV_ERRORF("Could not find symbol 'lv2_descriptor', " - "%s is not a LV2 plugin.\n", lib_path); - dlclose(lib); - return NULL; - } else { - // Search for plugin by URI - - const char* bundle_path = lilv_uri_to_path(lilv_value_as_uri( - lilv_plugin_get_bundle_uri(plugin))); - - for (uint32_t i = 0; true; ++i) { - const LV2_Descriptor* ld = df(i); - if (!ld) { - LILV_ERRORF("Did not find plugin %s in %s\n", - lilv_value_as_uri(lilv_plugin_get_uri(plugin)), lib_path); - dlclose(lib); - break; // return NULL - } else { - // Parse bundle URI to use as base URI - const LilvValue* bundle_uri = lilv_plugin_get_bundle_uri(plugin); - const char* bundle_uri_str = lilv_value_as_uri(bundle_uri); - SerdURI base_uri; - if (!serd_uri_parse((const uint8_t*)bundle_uri_str, &base_uri)) { - dlclose(lib); - break; - } - - // Resolve library plugin URI against base URI - SerdURI abs_uri; - SerdNode abs_uri_node = serd_node_new_uri_from_string( - (const uint8_t*)ld->URI, &base_uri, &abs_uri); - if (!abs_uri_node.buf) { - LILV_ERRORF("Failed to parse library plugin URI `%s'\n", ld->URI); - dlclose(lib); - break; - } - - if (!strcmp((const char*)abs_uri_node.buf, - lilv_value_as_uri(lilv_plugin_get_uri(plugin)))) { - // Create LilvInstance to return - result = malloc(sizeof(struct LilvInstanceImpl)); - result->lv2_descriptor = ld; - result->lv2_handle = ld->instantiate(ld, sample_rate, (char*)bundle_path, - (features) ? features : local_features); - result->pimpl = lib; - serd_node_free(&abs_uri_node); - break; - } else { - serd_node_free(&abs_uri_node); - } - } - } - } - - if (result) { - assert(lilv_plugin_get_num_ports(plugin) > 0); - - // Failed to instantiate - if (result->lv2_handle == NULL) { - free(result); - return NULL; - } - - // "Connect" all ports to NULL (catches bugs) - for (uint32_t i = 0; i < lilv_plugin_get_num_ports(plugin); ++i) - result->lv2_descriptor->connect_port(result->lv2_handle, i, NULL); - } - - free(local_features); - - return result; -} - -LILV_API -void -lilv_instance_free(LilvInstance* instance) -{ - if (!instance) - return; - - instance->lv2_descriptor->cleanup(instance->lv2_handle); - instance->lv2_descriptor = NULL; - dlclose(instance->pimpl); - instance->pimpl = NULL; - free(instance); -} - |