+/*
+ Copyright (C) 2012 Paul Davis
+
+ 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
-#include <libgen.h>
#include <pthread.h>
#include <signal.h>
#include <dlfcn.h>
#include <time.h>
#include <unistd.h>
#include <pthread.h>
+
#include <glib.h>
#include <glib/gstdio.h>
+#include <glibmm/miscutils.h>
+#include <glibmm/fileutils.h>
#include "ardour/linux_vst_support.h"
+#include "pbd/basename.h"
#include "pbd/error.h"
+#include "i18n.h"
+
/***********************************************************/
/* VSTFX - A set of modules for managing linux VST plugins */
/* vstfx.cc, vstfxwin.cc and vstfxinfofile.cc */
/*Mutexes*/
- pthread_mutex_init (&vstfx->lock, NULL);
- pthread_cond_init (&vstfx->window_status_change, NULL);
- pthread_cond_init (&vstfx->plugin_dispatcher_called, NULL);
- pthread_cond_init (&vstfx->window_created, NULL);
+ pthread_mutex_init (&vstfx->lock, 0);
+ pthread_cond_init (&vstfx->window_status_change, 0);
+ pthread_cond_init (&vstfx->plugin_dispatcher_called, 0);
+ pthread_cond_init (&vstfx->window_created, 0);
/*Safe values*/
vstfx->program_set_without_editor = 0;
vstfx->linux_window = 0;
vstfx->linux_plugin_ui_window = 0;
- vstfx->eventProc = NULL;
- vstfx->extra_data = NULL;
+ vstfx->eventProc = 0;
+ vstfx->extra_data = 0;
vstfx->want_resize = 0;
return vstfx;
void* vstfx_load_vst_library(const char* path)
{
void* dll;
- char* full_path;
+ char* full_path = NULL;
char* envdup;
char* lxvst_path;
size_t len1;
you get some occasional failures to load - dlerror reports
invalid arguments*/
- if ((dll = dlopen (path, RTLD_LOCAL | RTLD_LAZY)) != NULL)
+ if ((dll = dlopen (path, RTLD_LOCAL | RTLD_LAZY)) != 0) {
return dll;
+ }
+
+ if (Glib::file_test (path, Glib::FILE_TEST_EXISTS)) {
+ PBD::error << string_compose (_("Could not open existing LXVST plugin: %1"), dlerror()) << endmsg;
+ return 0;
+ }
/*We didn't find the library so try and get the path specified in the
env variable LXVST_PATH*/
/*Path not specified - not much more we can do*/
- if (envdup == NULL)
- return NULL;
+ if (envdup == 0)
+ return 0;
/*Copy the path into envdup*/
envdup = strdup (envdup);
- if (envdup == NULL)
- return NULL;
+ if (envdup == 0)
+ return 0;
len2 = strlen(path);
lxvst_path = strtok (envdup, ":");
- while (lxvst_path != NULL)
+ while (lxvst_path != 0)
{
vstfx_error ("\"%s\"", lxvst_path);
len1 = strlen(lxvst_path);
+ if (full_path) free(full_path);
full_path = (char*)malloc(len1 + 1 + len2 + 1);
memcpy(full_path, lxvst_path, len1);
full_path[len1] = '/';
/*Try and load the library*/
- if ((dll = dlopen(full_path, RTLD_LOCAL | RTLD_LAZY)) != NULL)
+ if ((dll = dlopen(full_path, RTLD_LOCAL | RTLD_LAZY)) != 0)
{
/*Succeeded */
break;
/*Try again*/
- lxvst_path = strtok (NULL, ":");
+ lxvst_path = strtok (0, ":");
}
/*Free the path*/
-
+ if (full_path) free(full_path);
free(envdup);
return dll;
VSTHandle *
vstfx_load (const char *path)
{
- char* buf = NULL;
+ char* buf = 0;
VSTHandle* fhandle;
- int i;
/*Create a new handle we can use to reference the plugin*/
fhandle = vstfx_handle_new();
/*See if we have .so appended to the path - if not we need to make sure it is added*/
-
- if (strstr (path, ".so") == NULL)
+
+ if (strstr (path, ".so") == 0)
{
/*Append the .so to the path - Make sure the path has enough space*/
buf = (char *)malloc(strlen(path) + 4); //The .so and a terminating zero
sprintf (buf, "%s.so", path);
-
- fhandle->nameptr = strdup (path);
}
else
/*We already have .so appened to the filename*/
buf = strdup(path);
-
- fhandle->nameptr = strdup (path);
}
+
+ /* get a name for the plugin based on the path: ye old VST problem where
+ we don't know anything about its name until we load and instantiate the plugin
+ which we don't want to do at this point
+ */
- /*Use basename to shorten the path and then strip off the .so - the old VST problem,
- we don't know anything about its name until we load and instantiate the plugin
- which we don't want to do at this point*/
-
- for(i=0; i < (int)strlen(fhandle->nameptr); i++)
- {
- if(fhandle->nameptr[i] == '.')
- fhandle->nameptr[i] = 0;
- }
-
-
- fhandle->name = basename (fhandle->nameptr);
+ fhandle->name = strdup (PBD::basename_nosuffix (path).c_str());
/*call load_vstfx_library to actually load the .so into memory*/
- if ((fhandle->dll = vstfx_load_vst_library (buf)) == NULL)
+ if ((fhandle->dll = vstfx_load_vst_library (buf)) == 0)
{
vstfx_unload (fhandle);
free(buf);
- return NULL;
+ return 0;
}
/*Find the main entry point into the plugin*/
- if ((fhandle->main_entry = (main_entry_t) dlsym(fhandle->dll, "main")) == NULL)
+ fhandle->main_entry = (main_entry_t) dlsym(fhandle->dll, "main");
+
+ if (fhandle->main_entry == 0) {
+ if ((fhandle->main_entry = (main_entry_t) dlsym(fhandle->dll, "VSTPluginMain")) != 0) {
+ PBD::warning << path << _(": is a VST >= 2.4 - this plugin may or may not function correctly with this version of Ardour.") << endmsg;
+ }
+ }
+
+ if (fhandle->main_entry == 0)
{
- /*If it can't be found, unload the plugin and return a NULL handle*/
+ /*If it can't be found, unload the plugin and return a 0 handle*/
vstfx_unload (fhandle);
free(buf);
- return NULL;
+ return 0;
}
free(buf);
if (fhandle->dll)
{
dlclose(fhandle->dll);
- fhandle->dll = NULL;
+ fhandle->dll = 0;
}
- if (fhandle->nameptr)
+ if (fhandle->name)
{
- free (fhandle->nameptr);
- fhandle->name = NULL;
+ free (fhandle->name);
}
/*Don't need the plugin handle any more*/
{
VSTState* vstfx = vstfx_new ();
- if(fhandle == NULL)
+ if(fhandle == 0)
{
- vstfx_error( "** ERROR ** VSTFX : The handle was NULL\n" );
- return NULL;
+ vstfx_error( "** ERROR ** VSTFX : The handle was 0\n" );
+ free (vstfx);
+ return 0;
}
- if ((vstfx->plugin = fhandle->main_entry (amc)) == NULL)
+ if ((vstfx->plugin = fhandle->main_entry (amc)) == 0)
{
vstfx_error ("** ERROR ** VSTFX : %s could not be instantiated :(\n", fhandle->name);
free (vstfx);
- return NULL;
+ return 0;
}
vstfx->handle = fhandle;
{
vstfx_error ("** ERROR ** VSTFX : %s is not a VST plugin\n", fhandle->name);
free (vstfx);
- return NULL;
+ return 0;
}
vstfx->plugin->dispatcher (vstfx->plugin, effOpen, 0, 0, 0, 0);
/*May or May not need to 'switch the plugin on' here - unlikely
since FST doesn't and most plugins start up 'On' by default - I think this is the least of our worries*/
- //vstfx->plugin->dispatcher (vstfx->plugin, effMainsChanged, 0, 1, NULL, 0);
+ //vstfx->plugin->dispatcher (vstfx->plugin, effMainsChanged, 0, 1, 0, 0);
vstfx->vst_version = vstfx->plugin->dispatcher (vstfx->plugin, effGetVstVersion, 0, 0, 0, 0);
if(vstfx->plugin)
{
- vstfx->plugin->dispatcher (vstfx->plugin, effMainsChanged, 0, 0, NULL, 0);
+ vstfx->plugin->dispatcher (vstfx->plugin, effMainsChanged, 0, 0, 0, 0);
/*Calling dispatcher with effClose will cause the plugin's destructor to
be called, which will also remove the editor if it exists*/
return;
}
- /*Valid plugin loaded - so we can unload it and NULL the pointer
+ /*Valid plugin loaded - so we can unload it and 0 the pointer
to it. We can't free the handle here because we don't know what else
might need it. It should be / is freed when the plugin is deleted*/
if (vstfx->handle->dll)
{
dlclose(vstfx->handle->dll); //dlclose keeps its own reference count
- vstfx->handle->dll = NULL;
+ vstfx->handle->dll = 0;
}
+ free(vstfx);
}