-/***********************************************************/
-/*vstfx infofile - module to manage info files */
-/*containing cached information about a plugin. e.g. its */
-/*name, creator etc etc */
-/***********************************************************/
+/** @file libs/ardour/vst_info_file.cc
+ * @brief Code to manage info files containing cached information about a plugin.
+ * e.g. its name, creator etc.
+ */
#include <iostream>
+#include <cassert>
#include <sys/types.h>
#include <sys/stat.h>
#include <glib.h>
#include <glib/gstdio.h>
+#include <glibmm.h>
+
+#include "pbd/error.h"
#include "ardour/linux_vst_support.h"
#define MAX_STRING_LEN 256
-static char* read_string(FILE *fp)
+using namespace std;
+
+static char *
+read_string (FILE *fp)
{
- char buf[MAX_STRING_LEN];
+ char buf[MAX_STRING_LEN];
- if (!fgets( buf, MAX_STRING_LEN, fp )) {
- return 0;
- }
-
- if(strlen(buf) < MAX_STRING_LEN) {
- if (strlen(buf)) {
- buf[strlen(buf)-1] = 0;
- }
- return strdup(buf);
- } else {
- return 0;
- }
+ if (!fgets (buf, MAX_STRING_LEN, fp)) {
+ return 0;
+ }
+
+ if (strlen(buf) < MAX_STRING_LEN) {
+ if (strlen (buf)) {
+ buf[strlen(buf)-1] = 0;
+ }
+ return strdup (buf);
+ } else {
+ return 0;
+ }
+}
+
+/** Read an integer value from a line in fp into n,
+ * @return true on failure, false on success.
+ */
+static bool
+read_int (FILE* fp, int* n)
+{
+ char buf[MAX_STRING_LEN];
+
+ char* p = fgets (buf, MAX_STRING_LEN, fp);
+ if (p == 0) {
+ return true;
+ }
+
+ return (sscanf (p, "%d", n) != 1);
}
static VSTInfo *
load_vstfx_info_file (FILE* fp)
{
VSTInfo *info;
- int i;
if ((info = (VSTInfo*) malloc (sizeof (VSTInfo))) == 0) {
return 0;
}
- if((info->name = read_string(fp)) == 0) goto error;
- if((info->creator = read_string(fp)) == 0) goto error;
- if(1 != fscanf(fp, "%d\n", &info->UniqueID)) goto error;
- if((info->Category = read_string(fp)) == 0) goto error;
- if(1 != fscanf(fp, "%d\n", &info->numInputs)) goto error;
- if(1 != fscanf(fp, "%d\n", &info->numOutputs)) goto error;
- if(1 != fscanf(fp, "%d\n", &info->numParams)) goto error;
- if(1 != fscanf(fp, "%d\n", &info->wantMidi)) goto error;
- if(1 != fscanf(fp, "%d\n", &info->hasEditor)) goto error;
- if(1 != fscanf(fp, "%d\n", &info->canProcessReplacing)) goto error;
-
- if((info->ParamNames = (char **) malloc(sizeof(char*)*info->numParams)) == 0) {
+ if ((info->name = read_string(fp)) == 0) goto error;
+ if ((info->creator = read_string(fp)) == 0) goto error;
+ if (read_int (fp, &info->UniqueID)) goto error;
+ if ((info->Category = read_string(fp)) == 0) goto error;
+ if (read_int (fp, &info->numInputs)) goto error;
+ if (read_int (fp, &info->numOutputs)) goto error;
+ if (read_int (fp, &info->numParams)) goto error;
+ if (read_int (fp, &info->wantMidi)) goto error;
+ if (read_int (fp, &info->hasEditor)) goto error;
+ if (read_int (fp, &info->canProcessReplacing)) goto error;
+
+ if ((info->ParamNames = (char **) malloc(sizeof(char*)*info->numParams)) == 0) {
goto error;
}
- for (i=0; i<info->numParams; i++) {
- if((info->ParamNames[i] = read_string(fp)) == 0) goto error;
+ for (int i = 0; i < info->numParams; ++i) {
+ if ((info->ParamNames[i] = read_string(fp)) == 0) goto error;
}
if ((info->ParamLabels = (char **) malloc(sizeof(char*)*info->numParams)) == 0) {
goto error;
}
- for (i=0; i < info->numParams; i++) {
- if((info->ParamLabels[i] = read_string(fp)) == 0) goto error;
+ for (int i = 0; i < info->numParams; ++i) {
+ if ((info->ParamLabels[i] = read_string(fp)) == 0) goto error;
}
return info;
error:
- free( info );
+ free (info);
return 0;
}
static int
save_vstfx_info_file (VSTInfo *info, FILE* fp)
{
- int i;
-
- if (info == 0) {
- vstfx_error("** ERROR ** VSTFXinfofile : info ptr is 0\n");
- return -1;
- }
-
- if (fp == 0) {
- vstfx_error("** ERROR ** VSTFXinfofile : file ptr is 0\n");
- return -1;
- }
+ assert (info);
+ assert (fp);
- fprintf( fp, "%s\n", info->name );
- fprintf( fp, "%s\n", info->creator );
- fprintf( fp, "%d\n", info->UniqueID );
- fprintf( fp, "%s\n", info->Category );
- fprintf( fp, "%d\n", info->numInputs );
- fprintf( fp, "%d\n", info->numOutputs );
- fprintf( fp, "%d\n", info->numParams );
- fprintf( fp, "%d\n", info->wantMidi );
- fprintf( fp, "%d\n", info->hasEditor );
- fprintf( fp, "%d\n", info->canProcessReplacing );
-
- for (i=0; i < info->numParams; i++) {
- fprintf(fp, "%s\n", info->ParamNames[i]);
- }
+ fprintf (fp, "%s\n", info->name);
+ fprintf (fp, "%s\n", info->creator);
+ fprintf (fp, "%d\n", info->UniqueID);
+ fprintf (fp, "%s\n", info->Category);
+ fprintf (fp, "%d\n", info->numInputs);
+ fprintf (fp, "%d\n", info->numOutputs);
+ fprintf (fp, "%d\n", info->numParams);
+ fprintf (fp, "%d\n", info->wantMidi);
+ fprintf (fp, "%d\n", info->hasEditor);
+ fprintf (fp, "%d\n", info->canProcessReplacing);
+
+ for (int i = 0; i < info->numParams; i++) {
+ fprintf (fp, "%s\n", info->ParamNames[i]);
+ }
- for (i=0; i < info->numParams; i++) {
- fprintf(fp, "%s\n", info->ParamLabels[i]);
- }
+ for (int i = 0; i < info->numParams; i++) {
+ fprintf (fp, "%s\n", info->ParamLabels[i]);
+ }
return 0;
}
-static char* vstfx_infofile_stat (char *dllpath, struct stat* statbuf, int personal)
+static string
+vstfx_infofile_path (char* dllpath, int personal)
{
- char* path;
- char* dir_path;
- char* basename;
- char* base;
- size_t blen;
+ string dir;
+ if (personal) {
+ dir = Glib::build_filename (Glib::get_home_dir (), ".fst");
+ /* If the directory doesn't exist, try to create it */
+ if (!Glib::file_test (dir, Glib::FILE_TEST_IS_DIR)) {
+ if (g_mkdir (dir.c_str (), 0700)) {
+ return 0;
+ }
+ }
+
+ } else {
+ dir = Glib::path_get_dirname (dllpath);
+ }
+
+ stringstream s;
+ s << "." << Glib::path_get_basename (dllpath) << ".fsi";
+ return Glib::build_filename (dir, s.str ());
+}
+
+static char *
+vstfx_infofile_stat (char *dllpath, struct stat* statbuf, int personal)
+{
if (strstr (dllpath, ".so" ) == 0) {
return 0;
}
-
- if (personal) {
- dir_path = g_build_filename (g_get_home_dir(), ".fst", NULL);
- } else {
- dir_path = g_path_get_dirname (dllpath);
- }
-
- base = g_path_get_basename (dllpath);
- blen = strlen (base) + 2; // null char and '.'
- basename = (char*) g_malloc (blen);
- snprintf (basename, blen, ".%s.fsi", base);
- g_free (base);
-
- path = g_build_filename (dir_path, basename, NULL);
-
- g_free (dir_path);
- g_free (basename);
+ string const path = vstfx_infofile_path (dllpath, personal);
- if (g_file_test (path, GFileTest (G_FILE_TEST_EXISTS|G_FILE_TEST_IS_REGULAR))) {
+ if (Glib::file_test (path, Glib::FileTest (Glib::FILE_TEST_EXISTS | Glib::FILE_TEST_IS_REGULAR))) {
/* info file exists in same location as the shared object, so
check if its current and up to date
struct stat dllstat;
if (stat (dllpath, &dllstat) == 0) {
- if (stat(path, statbuf) == 0) {
+ if (stat (path.c_str(), statbuf) == 0) {
if (dllstat.st_mtime <= statbuf->st_mtime) {
/* plugin is older than info file */
- return path;
+ return strdup (path.c_str ());
}
}
}
}
- g_free (path);
-
return 0;
}
-static FILE* vstfx_infofile_for_read (char* dllpath)
+static FILE *
+vstfx_infofile_for_read (char* dllpath)
{
struct stat own_statbuf;
struct stat sys_statbuf;
- char *own_info;
- char *sys_info;
- own_info = vstfx_infofile_stat (dllpath, &own_statbuf, 1);
- sys_info = vstfx_infofile_stat (dllpath, &sys_statbuf, 0);
+ char* own_info = vstfx_infofile_stat (dllpath, &own_statbuf, 1);
+ char* sys_info = vstfx_infofile_stat (dllpath, &sys_statbuf, 0);
if (own_info) {
if (sys_info) {
if (own_statbuf.st_mtime <= sys_statbuf.st_mtime) {
/* system info file is newer, use it */
- return fopen (sys_info, "r");
+ return g_fopen (sys_info, "rb");
}
} else {
- return fopen (own_info, "r");
+ return g_fopen (own_info, "rb");
}
}
return 0;
}
-static FILE* vstfx_infofile_create (char* dllpath, int personal)
+static FILE *
+vstfx_infofile_create (char* dllpath, int personal)
{
- char* path;
- char* dir_path;
- char* basename;
- char* base;
- size_t blen;
-
if (strstr (dllpath, ".so" ) == 0) {
return 0;
}
-
- if (personal) {
- dir_path = g_build_filename (g_get_home_dir(), ".fst", NULL);
-
- /* if the directory doesn't yet exist, try to create it */
-
- if (!g_file_test (dir_path, G_FILE_TEST_IS_DIR)) {
- if (g_mkdir (dir_path, 0700)) {
- return 0;
- }
- }
-
- } else {
- dir_path = g_path_get_dirname (dllpath);
- }
-
- base = g_path_get_basename (dllpath);
- blen = strlen (base) + 2; // null char and '.'
- basename = (char*) g_malloc (blen);
- snprintf (basename, blen, ".%s.fsi", base);
- g_free (base);
-
- path = g_build_filename (dir_path, basename, NULL);
- g_free (dir_path);
- g_free (basename);
-
- FILE* f = fopen (path, "w");
- g_free (path);
-
- return f;
+ string const path = vstfx_infofile_path (dllpath, personal);
+ return fopen (path.c_str(), "w");
}
-static FILE* vstfx_infofile_for_write (char* dllpath)
+static FILE *
+vstfx_infofile_for_write (char* dllpath)
{
FILE* f;
static
int vstfx_can_midi (VSTState* vstfx)
{
- AEffect *plugin = vstfx->plugin;
+ AEffect* plugin = vstfx->plugin;
- int vst_version = plugin->dispatcher (plugin, effGetVstVersion, 0, 0, 0, 0.0f);
+ int const vst_version = plugin->dispatcher (plugin, effGetVstVersion, 0, 0, 0, 0.0f);
- if (vst_version >= 2)
- {
+ if (vst_version >= 2) {
/* should we send it VST events (i.e. MIDI) */
- if ((plugin->flags & effFlagsIsSynth) || (plugin->dispatcher (plugin, effCanDo, 0, 0,(void*) "receiveVstEvents", 0.0f) > 0))
- return -1;
+ if ((plugin->flags & effFlagsIsSynth) || (plugin->dispatcher (plugin, effCanDo, 0, 0,(void*) "receiveVstEvents", 0.0f) > 0)) {
+ return -1;
+ }
}
+
return false;
}
static VSTInfo *
vstfx_info_from_plugin (VSTState* vstfx)
{
- VSTInfo* info = (VSTInfo*) malloc (sizeof (VSTInfo));
+ assert (vstfx);
- AEffect *plugin;
- int i;
+ VSTInfo* info = (VSTInfo*) malloc (sizeof (VSTInfo));
+ if (!info) {
+ return 0;
+ }
/*We need to init the creator because some plugins
fail to implement getVendorString, and so won't stuff the
char creator[65] = "Unknown\0";
- if(!vstfx)
- {
- vstfx_error( "** ERROR ** VSTFXinfofile : vstfx ptr is 0\n" );
- return 0;
- }
-
- if(!info)
- return 0;
-
- plugin = vstfx->plugin;
+ AEffect* plugin = vstfx->plugin;
- info->name = strdup(vstfx->handle->name );
+ info->name = strdup (vstfx->handle->name);
/*If the plugin doesn't bother to implement GetVendorString we will
have pre-stuffed the string with 'Unkown' */
so if its just a zero length string we replace it with 'Unknown' */
if (strlen(creator) == 0) {
- info->creator = strdup("Unknown");
+ info->creator = strdup ("Unknown");
} else {
info->creator = strdup (creator);
}
info->UniqueID = plugin->uniqueID;
- info->Category = strdup("None"); // FIXME:
+ info->Category = strdup("None"); /* XXX */
info->numInputs = plugin->numInputs;
info->numOutputs = plugin->numOutputs;
info->numParams = plugin->numParams;
info->ParamNames = (char **) malloc(sizeof(char*)*info->numParams);
info->ParamLabels = (char **) malloc(sizeof(char*)*info->numParams);
- for(i=0; i < info->numParams; i++) {
+ for (int i = 0; i < info->numParams; ++i) {
char name[64];
char label[64];
- /*Not all plugins give parameters labels as well as names*/
+ /* Not all plugins give parameters labels as well as names */
- strcpy(name, "No Name");
- strcpy(label, "No Label");
+ strcpy (name, "No Name");
+ strcpy (label, "No Label");
plugin->dispatcher (plugin, effGetParamName, i, 0, name, 0);
info->ParamNames[i] = strdup(name);
}
/* A simple 'dummy' audiomaster callback which should be ok,
-we will only be instantiating the plugin in order to get its info*/
+ we will only be instantiating the plugin in order to get its info
+*/
static intptr_t
simple_master_callback (AEffect *, int32_t opcode, int32_t, intptr_t, void *, float)
{
- if (opcode == audioMasterVersion)
+ if (opcode == audioMasterVersion) {
return 2;
- else
+ } else {
return 0;
+ }
}
-/*Try to get plugin info - first by looking for a .fsi cache of the
-data, and if that doesn't exist, load the plugin, get its data and
-then cache it for future ref*/
+/** Try to get plugin info - first by looking for a .fsi cache of the
+ data, and if that doesn't exist, load the plugin, get its data and
+ then cache it for future ref
+*/
VSTInfo *
vstfx_get_info (char* dllpath)
FILE* infofile;
VSTHandle* h;
VSTState* vstfx;
- VSTInfo* info;
if ((infofile = vstfx_infofile_for_read (dllpath)) != 0) {
VSTInfo *info;
info = load_vstfx_info_file (infofile);
fclose (infofile);
+ if (info == 0) {
+ PBD::warning << "Cannot get LinuxVST information form " << dllpath << ": info file load failed." << endmsg;
+ }
return info;
}
- if(!(h = vstfx_load(dllpath)))
+ if (!(h = vstfx_load(dllpath))) {
+ PBD::warning << "Cannot get LinuxVST information from " << dllpath << ": load failed." << endmsg;
return 0;
+ }
- if(!(vstfx = vstfx_instantiate(h, simple_master_callback, 0))) {
+ if (!(vstfx = vstfx_instantiate(h, simple_master_callback, 0))) {
vstfx_unload(h);
- vstfx_error( "** ERROR ** VSTFXinfofile : Instantiate failed\n" );
+ PBD::warning << "Cannot get LinuxVST information from " << dllpath << ": instantiation failed." << endmsg;
return 0;
}
infofile = vstfx_infofile_for_write (dllpath);
- if(!infofile) {
+ if (!infofile) {
vstfx_close(vstfx);
vstfx_unload(h);
- vstfx_error("cannot create new FST info file for plugin");
+ PBD::warning << "Cannot get LinuxVST information from " << dllpath << ": cannot create new FST info file." << endmsg;
return 0;
}
- info = vstfx_info_from_plugin(vstfx);
+ VSTInfo* info = vstfx_info_from_plugin (vstfx);
- save_vstfx_info_file(info, infofile);
+ save_vstfx_info_file (info, infofile);
fclose (infofile);
- vstfx_close(vstfx);
- vstfx_unload(h);
+ vstfx_close (vstfx);
+ vstfx_unload (h);
return info;
}
projects / ardour.git / blobdiff