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Diffstat (limited to 'vstutils.c')
| -rw-r--r-- | vstutils.c | 216 |
1 files changed, 0 insertions, 216 deletions
diff --git a/vstutils.c b/vstutils.c deleted file mode 100644 index 5f81f06..0000000 --- a/vstutils.c +++ /dev/null @@ -1,216 +0,0 @@ -/* plugin~, a Pd tilde object for hosting LADSPA/VST plug-ins - Copyright (C) 2001 Jarno Seppänen - Copyright (C) 2000 Richard W.E. Furse - $Id: vstutils.c,v 1.1 2002-11-19 09:51:40 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. */ - -#ifdef WIN32 /* currently for Windows only */ - -#include <assert.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include "vst/AEffect.h" /* VST-specific stuff */ -#include <windows.h> /* LoadLibrary, FreeLibrary etc. Windows-specific */ -#include "vstutils.h" -#include "win/vitunmsvc.h" /* strncasecmp */ - -/* OS-specific things */ -#ifdef WIN32 -#define CHR_DIR_SLASH '\\' -#define CHR_PATH_DELIM ';' -#define STR_DIR_SLASH "\\" -#define STR_LIB_SUFFIX ".dll" -#endif -#ifdef __linux__ /* FIXME? */ -#define CHR_DIR_SLASH '/' -#define CHR_PATH_DELIM ':' -#define STR_DIR_SLASH "/" -#define STR_LIB_SUFFIX ".so" -#endif - -void* -vstutils_load_vst_plugin_dll (const char* plugin_dll_filename) -{ - HINSTANCE* dll = NULL; - - char* buf = NULL; - size_t fnlength = 0; - const size_t suffixlength = strlen (STR_LIB_SUFFIX); - - /* precondition */ - assert (plugin_dll_filename != NULL); - - dll = (HINSTANCE*)calloc (1, sizeof (HINSTANCE)); - fnlength = strlen (plugin_dll_filename); - - /* assure the file name ends in ".so", ".dll" or equivalent */ - if (fnlength > suffixlength) { - int has_lib_suffix = 0; - has_lib_suffix - = (strncasecmp (&plugin_dll_filename[fnlength - suffixlength], - STR_LIB_SUFFIX, - suffixlength + 1) - == 0); - if (!has_lib_suffix) { - buf = calloc (fnlength + suffixlength + 1, sizeof (char)); - strcpy (buf, plugin_dll_filename); - strcat (buf, STR_LIB_SUFFIX); - plugin_dll_filename = buf; - fnlength += suffixlength; - } - } - - /* First we just try loading by absolute directory name or via - default system paths. */ - *dll = LoadLibrary (plugin_dll_filename); - if (*dll != NULL) { - goto VSTUTILS_LOAD_DLL_RETURN_DLL; - } - - /* If the filename is not absolute then we wish to check along the - VST_PATH to see if we can find the file there. */ - if (plugin_dll_filename[0] != CHR_DIR_SLASH) { - const char* vst_path = getenv ("VST_PATH"); - if (vst_path != NULL) { - const char* dir_start = NULL; - const char* dir_end = NULL; - dir_start = vst_path; - while (*dir_start != '\0') { - dir_end = dir_start; - while (*dir_end != CHR_PATH_DELIM - && *dir_end != '\0') { - dir_end++; - } - if (dir_end > dir_start) { - char* absfn = NULL; /* absolute filename */ - absfn = calloc (dir_end - dir_start /* directory */ - + 1 /* slash */ - + fnlength /* basename */ - + 1, /* null */ - sizeof (char)); - /* start with directory */ - strncpy (absfn, dir_start, dir_end - dir_start); - /* append slash if necessary */ - if (*(dir_end - 1) != CHR_DIR_SLASH) { - strcat (absfn, STR_DIR_SLASH); - } - /* finally append dll filename */ - strcat (absfn, plugin_dll_filename); -#if 0 - fprintf (stderr, "plugin~_vst: attempting \"%s\"\n", absfn); -#endif - *dll = LoadLibrary (absfn); - free (absfn); - if (*dll != NULL) { - goto VSTUTILS_LOAD_DLL_RETURN_DLL; - } - } - /* if not found, try next directory from path */ - dir_start = dir_end; - if (*dir_start == CHR_PATH_DELIM) { - dir_start++; - } - } - } else { - fputs ("warning: You haven't specified the VST_PATH environment variable and didn't specify an absolute path to the plug-in.\n" - "Please set the VST_PATH variable to point to your VST plug-in directories (eg. \"set VST_PATH=C:\\Program Files\\Steinberg\\Vstplugins\").\n", stderr); - } - } - - /* No luck */ - assert (*dll == NULL); - free (dll); - /* remember to check and free buf! */ - if (buf != NULL) { - free (buf); - buf = NULL; - } - return NULL; - - VSTUTILS_LOAD_DLL_RETURN_DLL: - assert (*dll != NULL); - /* remember to check and free buf! */ - if (buf != NULL) { - free (buf); - buf = NULL; - } - return dll; -} - -void -vstutils_unload_vst_plugin_dll (void* plugin_dll) -{ - HINSTANCE* dll = plugin_dll; - if (dll != NULL) { - FreeLibrary (*dll); - *dll = NULL; - free (plugin_dll); - } -} - -AEffect* -vstutils_init_vst_plugin (void* plugin_dll, - const char* plugin_dll_filename, - audioMasterCallback am) -{ - typedef AEffect* (*vst_main_func)(audioMasterCallback am); - HINSTANCE* dll = plugin_dll; - vst_main_func vstmain; - AEffect* plugin = NULL; - - if (plugin_dll == NULL - || *dll == NULL) { - return NULL; - } - - vstmain = (vst_main_func)GetProcAddress (*dll, "main"); - if (vstmain == NULL) { - char* error = NULL; - FormatMessage (FORMAT_MESSAGE_ALLOCATE_BUFFER - | FORMAT_MESSAGE_FROM_SYSTEM - | FORMAT_MESSAGE_IGNORE_INSERTS, - NULL, - GetLastError (), - MAKELANGID (LANG_NEUTRAL, SUBLANG_DEFAULT), - error, - 0, - NULL); - fprintf (stderr, - "Unable to find main() function in VST plugin " - "DLL file \"%s\": %s.\n" - "Are you sure this is a VST plugin file?\n", - plugin_dll_filename, error); - LocalFree (error); - } - /* Initialize plugin */ - plugin = vstmain (am); - - /* Check that what we have loaded really IS a VST plugin */ - if (plugin->magic != kEffectMagic) { - fprintf (stderr, - "DLL file \"%s\" is not a genuine VST plugin.\n", - plugin_dll_filename); - return NULL; - } - return plugin; -} - -#endif /* WIN32 */ - -/* EOF */ |