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livetrax/libs/ardour/plugin_manager.cc
Carl Hetherington 6f5ee7c429 Fix up VST build and add basic support for VSTi
git-svn-id: svn://localhost/ardour2/branches/3.0@7403 d708f5d6-7413-0410-9779-e7cbd77b26cf
2010-07-11 21:55:11 +00:00

766 lines
16 KiB
C++

/*
Copyright (C) 2000-2006 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.
*/
#ifdef WAF_BUILD
#include "libardour-config.h"
#endif
#define __STDC_FORMAT_MACROS 1
#include <stdint.h>
#include <sys/types.h>
#include <cstdio>
#include <lrdf.h>
#include <dlfcn.h>
#include <cstdlib>
#include <fstream>
#ifdef VST_SUPPORT
#include <fst.h>
#include "pbd/basename.h"
#include <cstring>
#endif // VST_SUPPORT
#include <glibmm/miscutils.h>
#include "pbd/pathscanner.h"
#include "pbd/whitespace.h"
#include "ardour/ladspa.h"
#include "ardour/session.h"
#include "ardour/plugin_manager.h"
#include "ardour/plugin.h"
#include "ardour/ladspa_plugin.h"
#include "ardour/filesystem_paths.h"
#ifdef HAVE_SLV2
#include <slv2/slv2.h>
#include "ardour/lv2_plugin.h"
#endif
#ifdef VST_SUPPORT
#include "ardour/vst_plugin.h"
#endif
#ifdef HAVE_AUDIOUNITS
#include "ardour/audio_unit.h"
#include <Carbon/Carbon.h>
#endif
#include "pbd/error.h"
#include "pbd/stl_delete.h"
#include "i18n.h"
using namespace ARDOUR;
using namespace PBD;
using namespace std;
PluginManager* PluginManager::_manager = 0;
PluginManager::PluginManager ()
: _vst_plugin_info(0)
, _ladspa_plugin_info(0)
, _lv2_plugin_info(0)
, _au_plugin_info(0)
{
char* s;
string lrdf_path;
load_statuses ();
#ifdef HAVE_AUDIOUNITS
ProcessSerialNumber psn = { 0, kCurrentProcess };
OSStatus returnCode = TransformProcessType(& psn, kProcessTransformToForegroundApplication);
if( returnCode != 0) {
error << _("Cannot become GUI app") << endmsg;
}
#endif
if ((s = getenv ("LADSPA_RDF_PATH"))){
lrdf_path = s;
}
if (lrdf_path.length() == 0) {
lrdf_path = "/usr/local/share/ladspa/rdf:/usr/share/ladspa/rdf";
}
add_lrdf_data(lrdf_path);
add_ladspa_presets();
#ifdef VST_SUPPORT
if (Config->get_use_vst()) {
add_vst_presets();
}
#endif /* VST_SUPPORT */
if ((s = getenv ("LADSPA_PATH"))) {
ladspa_path = s;
}
if ((s = getenv ("VST_PATH"))) {
vst_path = s;
} else if ((s = getenv ("VST_PLUGINS"))) {
vst_path = s;
}
if (_manager == 0) {
_manager = this;
}
/* the plugin manager is constructed too early to use Profile */
if (getenv ("ARDOUR_SAE")) {
ladspa_plugin_whitelist.push_back (1203); // single band parametric
ladspa_plugin_whitelist.push_back (1772); // caps compressor
ladspa_plugin_whitelist.push_back (1913); // fast lookahead limiter
ladspa_plugin_whitelist.push_back (1075); // simple RMS expander
ladspa_plugin_whitelist.push_back (1061); // feedback delay line (max 5s)
ladspa_plugin_whitelist.push_back (1216); // gverb
ladspa_plugin_whitelist.push_back (2150); // tap pitch shifter
}
#ifdef HAVE_SLV2
_lv2_world = new LV2World();
#endif
BootMessage (_("Discovering Plugins"));
}
PluginManager::~PluginManager()
{
#ifdef HAVE_SLV2
delete _lv2_world;
#endif
}
void
PluginManager::refresh ()
{
ladspa_refresh ();
#ifdef HAVE_SLV2
lv2_refresh ();
#endif
#ifdef VST_SUPPORT
if (Config->get_use_vst()) {
vst_refresh ();
}
#endif // VST_SUPPORT
#ifdef HAVE_AUDIOUNITS
au_refresh ();
#endif
PluginListChanged (); /* EMIT SIGNAL */
}
void
PluginManager::ladspa_refresh ()
{
if (_ladspa_plugin_info)
_ladspa_plugin_info->clear ();
else
_ladspa_plugin_info = new ARDOUR::PluginInfoList ();
static const char *standard_paths[] = {
"/usr/local/lib64/ladspa",
"/usr/local/lib/ladspa",
"/usr/lib64/ladspa",
"/usr/lib/ladspa",
"/Library/Audio/Plug-Ins/LADSPA",
""
};
/* allow LADSPA_PATH to augment, not override standard locations */
/* Only add standard locations to ladspa_path if it doesn't
* already contain them. Check for trailing '/'s too.
*/
int i;
for (i = 0; standard_paths[i][0]; i++) {
size_t found = ladspa_path.find(standard_paths[i]);
if (found != ladspa_path.npos) {
switch (ladspa_path[found + strlen(standard_paths[i])]) {
case ':' :
case '\0':
continue;
case '/' :
if (ladspa_path[found + strlen(standard_paths[i]) + 1] == ':' ||
ladspa_path[found + strlen(standard_paths[i]) + 1] == '\0') {
continue;
}
}
}
if (!ladspa_path.empty())
ladspa_path += ":";
ladspa_path += standard_paths[i];
}
ladspa_discover_from_path (ladspa_path);
}
int
PluginManager::add_ladspa_directory (string path)
{
if (ladspa_discover_from_path (path) == 0) {
ladspa_path += ':';
ladspa_path += path;
return 0;
}
return -1;
}
static bool ladspa_filter (const string& str, void */*arg*/)
{
/* Not a dotfile, has a prefix before a period, suffix is "so" */
return str[0] != '.' && (str.length() > 3 && str.find (".so") == (str.length() - 3));
}
int
PluginManager::ladspa_discover_from_path (string /*path*/)
{
PathScanner scanner;
vector<string *> *plugin_objects;
vector<string *>::iterator x;
int ret = 0;
plugin_objects = scanner (ladspa_path, ladspa_filter, 0, true, true);
if (plugin_objects) {
for (x = plugin_objects->begin(); x != plugin_objects->end (); ++x) {
ladspa_discover (**x);
}
}
vector_delete (plugin_objects);
return ret;
}
static bool rdf_filter (const string &str, void* /*arg*/)
{
return str[0] != '.' &&
((str.find(".rdf") == (str.length() - 4)) ||
(str.find(".rdfs") == (str.length() - 5)) ||
(str.find(".n3") == (str.length() - 3)) ||
(str.find(".ttl") == (str.length() - 4)));
}
void
PluginManager::add_ladspa_presets()
{
add_presets ("ladspa");
}
void
PluginManager::add_vst_presets()
{
add_presets ("vst");
}
void
PluginManager::add_presets(string domain)
{
PathScanner scanner;
vector<string *> *presets;
vector<string *>::iterator x;
char* envvar;
if ((envvar = getenv ("HOME")) == 0) {
return;
}
string path = string_compose("%1/.%2/rdf", envvar, domain);
presets = scanner (path, rdf_filter, 0, true, true);
if (presets) {
for (x = presets->begin(); x != presets->end (); ++x) {
string file = "file:" + **x;
if (lrdf_read_file(file.c_str())) {
warning << string_compose(_("Could not parse rdf file: %1"), *x) << endmsg;
}
}
}
vector_delete (presets);
}
void
PluginManager::add_lrdf_data (const string &path)
{
PathScanner scanner;
vector<string *>* rdf_files;
vector<string *>::iterator x;
rdf_files = scanner (path, rdf_filter, 0, true, true);
if (rdf_files) {
for (x = rdf_files->begin(); x != rdf_files->end (); ++x) {
const string uri(string("file://") + **x);
if (lrdf_read_file(uri.c_str())) {
warning << "Could not parse rdf file: " << uri << endmsg;
}
}
}
vector_delete (rdf_files);
}
int
PluginManager::ladspa_discover (string path)
{
void *module;
const LADSPA_Descriptor *descriptor;
LADSPA_Descriptor_Function dfunc;
const char *errstr;
if ((module = dlopen (path.c_str(), RTLD_NOW)) == 0) {
error << string_compose(_("LADSPA: cannot load module \"%1\" (%2)"), path, dlerror()) << endmsg;
return -1;
}
dfunc = (LADSPA_Descriptor_Function) dlsym (module, "ladspa_descriptor");
if ((errstr = dlerror()) != 0) {
error << string_compose(_("LADSPA: module \"%1\" has no descriptor function."), path) << endmsg;
error << errstr << endmsg;
dlclose (module);
return -1;
}
for (uint32_t i = 0; ; ++i) {
if ((descriptor = dfunc (i)) == 0) {
break;
}
if (!ladspa_plugin_whitelist.empty()) {
if (find (ladspa_plugin_whitelist.begin(), ladspa_plugin_whitelist.end(), descriptor->UniqueID) == ladspa_plugin_whitelist.end()) {
continue;
}
}
PluginInfoPtr info(new LadspaPluginInfo);
info->name = descriptor->Name;
info->category = get_ladspa_category(descriptor->UniqueID);
info->creator = descriptor->Maker;
info->path = path;
info->index = i;
info->n_inputs = ChanCount();
info->n_outputs = ChanCount();
info->type = ARDOUR::LADSPA;
char buf[32];
snprintf (buf, sizeof (buf), "%lu", descriptor->UniqueID);
info->unique_id = buf;
for (uint32_t n=0; n < descriptor->PortCount; ++n) {
if ( LADSPA_IS_PORT_AUDIO (descriptor->PortDescriptors[n]) ) {
if ( LADSPA_IS_PORT_INPUT (descriptor->PortDescriptors[n]) ) {
info->n_inputs.set_audio(info->n_inputs.n_audio() + 1);
}
else if ( LADSPA_IS_PORT_OUTPUT (descriptor->PortDescriptors[n]) ) {
info->n_outputs.set_audio(info->n_outputs.n_audio() + 1);
}
}
}
if(_ladspa_plugin_info->empty()){
_ladspa_plugin_info->push_back (info);
}
//Ensure that the plugin is not already in the plugin list.
bool found = false;
for (PluginInfoList::const_iterator i = _ladspa_plugin_info->begin(); i != _ladspa_plugin_info->end(); ++i) {
if(0 == info->unique_id.compare((*i)->unique_id)){
found = true;
}
}
if(!found){
_ladspa_plugin_info->push_back (info);
}
}
// GDB WILL NOT LIKE YOU IF YOU DO THIS
// dlclose (module);
return 0;
}
string
PluginManager::get_ladspa_category (uint32_t plugin_id)
{
char buf[256];
lrdf_statement pattern;
snprintf(buf, sizeof(buf), "%s%" PRIu32, LADSPA_BASE, plugin_id);
pattern.subject = buf;
pattern.predicate = (char*)RDF_TYPE;
pattern.object = 0;
pattern.object_type = lrdf_uri;
lrdf_statement* matches1 = lrdf_matches (&pattern);
if (!matches1) {
return "Unknown";
}
pattern.subject = matches1->object;
pattern.predicate = (char*)(LADSPA_BASE "hasLabel");
pattern.object = 0;
pattern.object_type = lrdf_literal;
lrdf_statement* matches2 = lrdf_matches (&pattern);
lrdf_free_statements(matches1);
if (!matches2) {
return ("Unknown");
}
string label = matches2->object;
lrdf_free_statements(matches2);
return label;
}
#ifdef HAVE_SLV2
void
PluginManager::lv2_refresh ()
{
delete _lv2_plugin_info;
_lv2_plugin_info = LV2PluginInfo::discover(_lv2_world);
}
#endif
#ifdef HAVE_AUDIOUNITS
void
PluginManager::au_refresh ()
{
delete _au_plugin_info;
_au_plugin_info = AUPluginInfo::discover();
}
#endif
#ifdef VST_SUPPORT
void
PluginManager::vst_refresh ()
{
if (_vst_plugin_info)
_vst_plugin_info->clear ();
else
_vst_plugin_info = new ARDOUR::PluginInfoList();
if (vst_path.length() == 0) {
vst_path = "/usr/local/lib/vst:/usr/lib/vst";
}
vst_discover_from_path (vst_path);
}
int
PluginManager::add_vst_directory (string path)
{
if (vst_discover_from_path (path) == 0) {
vst_path += ':';
vst_path += path;
return 0;
}
return -1;
}
static bool vst_filter (const string& str, void *arg)
{
/* Not a dotfile, has a prefix before a period, suffix is "dll" */
return str[0] != '.' && (str.length() > 4 && str.find (".dll") == (str.length() - 4));
}
int
PluginManager::vst_discover_from_path (string path)
{
PathScanner scanner;
vector<string *> *plugin_objects;
vector<string *>::iterator x;
int ret = 0;
info << "detecting VST plugins along " << path << endmsg;
plugin_objects = scanner (vst_path, vst_filter, 0, true, true);
if (plugin_objects) {
for (x = plugin_objects->begin(); x != plugin_objects->end (); ++x) {
vst_discover (**x);
}
}
vector_delete (plugin_objects);
return ret;
}
int
PluginManager::vst_discover (string path)
{
FSTInfo* finfo;
char buf[32];
if ((finfo = fst_get_info (const_cast<char *> (path.c_str()))) == 0) {
warning << "Cannot get VST information from " << path << endmsg;
return -1;
}
if (!finfo->canProcessReplacing) {
warning << string_compose (_("VST plugin %1 does not support processReplacing, and so cannot be used in ardour at this time"),
finfo->name)
<< endl;
}
PluginInfoPtr info(new VSTPluginInfo);
/* what a joke freeware VST is */
if (!strcasecmp ("The Unnamed plugin", finfo->name)) {
info->name = PBD::basename_nosuffix (path);
} else {
info->name = finfo->name;
}
snprintf (buf, sizeof (buf), "%d", finfo->UniqueID);
info->unique_id = buf;
info->category = "VST";
info->path = path;
info->creator = finfo->creator;
info->index = 0;
info->n_inputs.set_audio (finfo->numInputs);
info->n_outputs.set_audio (finfo->numOutputs);
info->n_inputs.set_midi (finfo->wantMidi ? 1 : 0);
info->type = ARDOUR::VST;
_vst_plugin_info->push_back (info);
fst_free_info (finfo);
return 0;
}
#endif // VST_SUPPORT
PluginManager::PluginStatusType
PluginManager::get_status (const PluginInfoPtr& pi)
{
PluginStatus ps (pi->type, pi->unique_id);
PluginStatusList::const_iterator i = find (statuses.begin(), statuses.end(), ps);
if (i == statuses.end() ) {
return Normal;
} else {
return i->status;
}
}
void
PluginManager::save_statuses ()
{
ofstream ofs;
sys::path path = user_config_directory();
path /= "plugin_statuses";
ofs.open (path.to_string().c_str(), ios_base::openmode (ios::out|ios::trunc));
if (!ofs) {
return;
}
for (PluginStatusList::iterator i = statuses.begin(); i != statuses.end(); ++i) {
switch ((*i).type) {
case LADSPA:
ofs << "LADSPA";
break;
case AudioUnit:
ofs << "AudioUnit";
break;
case LV2:
ofs << "LV2";
break;
case VST:
ofs << "VST";
break;
}
ofs << ' ';
switch ((*i).status) {
case Normal:
ofs << "Normal";
break;
case Favorite:
ofs << "Favorite";
break;
case Hidden:
ofs << "Hidden";
break;
}
ofs << ' ';
ofs << (*i).unique_id;;
ofs << endl;
}
ofs.close ();
}
void
PluginManager::load_statuses ()
{
sys::path path = user_config_directory();
path /= "plugin_statuses";
ifstream ifs (path.to_string().c_str());
if (!ifs) {
return;
}
std::string stype;
std::string sstatus;
std::string id;
PluginType type;
PluginStatusType status;
char buf[1024];
while (ifs) {
ifs >> stype;
if (!ifs) {
break;
}
ifs >> sstatus;
if (!ifs) {
break;
}
/* rest of the line is the plugin ID */
ifs.getline (buf, sizeof (buf), '\n');
if (!ifs) {
break;
}
if (sstatus == "Normal") {
status = Normal;
} else if (sstatus == "Favorite") {
status = Favorite;
} else if (sstatus == "Hidden") {
status = Hidden;
} else {
error << string_compose (_("unknown plugin status type \"%1\" - all entries ignored"), sstatus)
<< endmsg;
statuses.clear ();
break;
}
if (stype == "LADSPA") {
type = LADSPA;
} else if (stype == "AudioUnit") {
type = AudioUnit;
} else if (stype == "LV2") {
type = LV2;
} else if (stype == "VST") {
type = VST;
} else {
error << string_compose (_("unknown plugin type \"%1\" - ignored"), stype)
<< endmsg;
continue;
}
id = buf;
strip_whitespace_edges (id);
set_status (type, id, status);
}
ifs.close ();
}
void
PluginManager::set_status (PluginType t, string id, PluginStatusType status)
{
PluginStatus ps (t, id, status);
statuses.erase (ps);
if (status == Normal) {
return;
}
pair<PluginStatusList::iterator, bool> res = statuses.insert (ps);
//cerr << "Added " << t << " " << id << " " << status << " success ? " << res.second << endl;
}
ARDOUR::PluginInfoList&
PluginManager::vst_plugin_info ()
{
#ifdef VST_SUPPORT
if (!_vst_plugin_info)
vst_refresh();
return *_vst_plugin_info;
#else
return _empty_plugin_info;
#endif
}
ARDOUR::PluginInfoList&
PluginManager::ladspa_plugin_info ()
{
if (!_ladspa_plugin_info)
ladspa_refresh();
return *_ladspa_plugin_info;
}
ARDOUR::PluginInfoList&
PluginManager::lv2_plugin_info ()
{
#ifdef HAVE_SLV2
if (!_lv2_plugin_info)
lv2_refresh();
return *_lv2_plugin_info;
#else
return _empty_plugin_info;
#endif
}
ARDOUR::PluginInfoList&
PluginManager::au_plugin_info ()
{
#ifdef HAVE_AUDIOUNITS
if (!_au_plugin_info)
au_refresh();
return *_au_plugin_info;
#else
return _empty_plugin_info;
#endif
}