+/*
+ Copyright (C) 2011 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 <unistd.h>
+
#include <glibmm/pattern.h>
+#include <glibmm/fileutils.h>
#include "pbd/error.h"
#include "pbd/compose.h"
-#include "pbd/file_utils.h"
+#include "pbd/pathscanner.h"
+#include "pbd/stl_delete.h"
+#include "ardour/debug.h"
#include "ardour/panner_manager.h"
-#include "ardour/panner_search_path.h"
+
+#include "ardour/search_paths.h"
+
+#include "i18n.h"
using namespace std;
using namespace ARDOUR;
PannerManager::~PannerManager ()
{
- for (list<PannerInfo*>::iterator p = panner_info.begin(); p != panner_info.end(); ++p) {
- delete *p;
- }
+ for (list<PannerInfo*>::iterator p = panner_info.begin(); p != panner_info.end(); ++p) {
+ delete *p;
+ }
}
PannerManager&
PannerManager::instance ()
{
- if (_instance == 0) {
- _instance = new PannerManager ();
- }
+ if (_instance == 0) {
+ _instance = new PannerManager ();
+ }
- return *_instance;
+ return *_instance;
+}
+
+static bool panner_filter (const string& str, void */*arg*/)
+{
+#ifdef COMPILER_MSVC
+ /**
+ * Different build targets (Debug / Release etc) use different versions
+ * of the 'C' runtime (which can't be 'mixed & matched'). Therefore, in
+ * case the supplied search path contains multiple version(s) of a given
+ * panner module, only select the one(s) which match the current build
+ * target (otherwise, all hell will break loose !!)
+ */
+ #if defined (_DEBUG)
+ return str.length() > 12 && (str.find ("panner_") == 0) && (str.find ("D.dll") == (str.length() - 5));
+ #elif defined (RDC_BUILD)
+ return str.length() > 14 && (str.find ("panner_") == 0) && (str.find ("RDC.dll") == (str.length() - 7));
+ #elif defined (_WIN64)
+ return str.length() > 13 && (str.find ("panner_") == 0) && (str.find ("64.dll") == (str.length() - 6));
+ #else
+ return str.length() > 13 && (str.find ("panner_") == 0) && (str.find ("32.dll") == (str.length() - 6));
+ #endif
+#elif defined (__APPLE__)
+ return str[0] != '.' && (str.length() > 6 && str.find (".dylib") == (str.length() - 6));
+#else
+ return str[0] != '.' && (str.length() > 3 && (str.find (".so") == (str.length() - 3) || str.find (".dll") == (str.length() - 4)));
+#endif
}
void
PannerManager::discover_panners ()
{
- vector<sys::path> panner_modules;
-
- Glib::PatternSpec so_extension_pattern("*.so");
- Glib::PatternSpec dylib_extension_pattern("*.dylib");
+ PathScanner scanner;
+ std::vector<std::string *> *panner_modules;
+ std::string search_path = panner_search_path().to_string();
- find_matching_files_in_search_path (panner_search_path (),
- so_extension_pattern, panner_modules);
+ DEBUG_TRACE (DEBUG::Panning, string_compose (_("looking for panners in %1\n"), search_path));
- find_matching_files_in_search_path (panner_search_path (),
- dylib_extension_pattern, panner_modules);
+ panner_modules = scanner (search_path, panner_filter, 0, false, true, 1, true);
- info << string_compose (_("looking for panners in %1"), panner_search_path().to_string()) << endmsg;
-
- for (vector<sys::path>::iterator i = panner_modules.begin(); i != panner_modules.end(); ++i) {
- panner_discover ((*i).to_string());
+ for (vector<std::string *>::iterator i = panner_modules->begin(); i != panner_modules->end(); ++i) {
+ panner_discover (**i);
}
+
+ vector_delete (panner_modules);
}
+
int
PannerManager::panner_discover (string path)
{
- PannerInfo* pinfo;
+ PannerInfo* pinfo;
if ((pinfo = get_descriptor (path)) != 0) {
- panner_info.push_back (pinfo);
- info << string_compose(_("Panner discovered: \"%1\""), pinfo->descriptor.name) << endmsg;
- }
+
+ list<PannerInfo*>::iterator i;
+
+ for (i = panner_info.begin(); i != panner_info.end(); ++i) {
+ if (pinfo->descriptor.name == (*i)->descriptor.name) {
+ break;
+ }
+ }
+
+ if (i == panner_info.end()) {
+ panner_info.push_back (pinfo);
+ DEBUG_TRACE (DEBUG::Panning, string_compose(_("Panner discovered: \"%1\" in %2\n"), pinfo->descriptor.name, path));
+ }
+ }
return 0;
}
PannerInfo*
PannerManager::get_descriptor (string path)
{
- void *module;
- PannerInfo* info = 0;
+ Glib::Module* module = new Glib::Module(path);
+ PannerInfo* info = 0;
PanPluginDescriptor *descriptor = 0;
PanPluginDescriptor* (*dfunc)(void);
- const char *errstr;
+ void* func = 0;
- if ((module = dlopen (path.c_str(), RTLD_NOW)) == 0) {
- error << string_compose(_("PannerManager: cannot load module \"%1\" (%2)"), path, dlerror()) << endmsg;
+ if (!module) {
+ error << string_compose(_("PannerManager: cannot load module \"%1\" (%2)"), path,
+ Glib::Module::get_last_error()) << endmsg;
+ delete module;
return 0;
}
- dfunc = (PanPluginDescriptor* (*)(void)) dlsym (module, "panner_descriptor");
-
- if ((errstr = dlerror()) != 0) {
+ if (!module->get_symbol("panner_descriptor", func)) {
error << string_compose(_("PannerManager: module \"%1\" has no descriptor function."), path) << endmsg;
- error << errstr << endmsg;
- dlclose (module);
+ error << Glib::Module::get_last_error() << endmsg;
+ delete module;
return 0;
}
+ dfunc = (PanPluginDescriptor* (*)(void))func;
descriptor = dfunc();
+
if (descriptor) {
- info = new PannerInfo (*descriptor, module);
+ info = new PannerInfo (*descriptor, module);
} else {
- dlclose (module);
+ delete module;
}
return info;
}
PannerInfo*
-PannerManager::select_panner (ChanCount in, ChanCount out)
+PannerManager::select_panner (ChanCount in, ChanCount out, std::string const uri)
{
- PanPluginDescriptor* d;
- int32_t nin = in.n_audio();
- int32_t nout = out.n_audio();
-
- /* look for exact match first */
-
- for (list<PannerInfo*>::iterator p = panner_info.begin(); p != panner_info.end(); ++p) {
- d = &(*p)->descriptor;
-
- if (d->in == nin && d->out == nout) {
- return *p;
- }
- }
-
- /* no exact match, look for good fit on inputs and variable on outputs */
-
- for (list<PannerInfo*>::iterator p = panner_info.begin(); p != panner_info.end(); ++p) {
- d = &(*p)->descriptor;
-
- if (d->in == nin && d->out == -1) {
- return *p;
- }
- }
-
- /* no exact match, look for good fit on outputs and variable on inputs */
-
- for (list<PannerInfo*>::iterator p = panner_info.begin(); p != panner_info.end(); ++p) {
- d = &(*p)->descriptor;
-
- if (d->in == -1 && d->out == nout) {
- return *p;
- }
- }
-
- /* no exact match, look for variable fit on inputs and outputs */
-
- for (list<PannerInfo*>::iterator p = panner_info.begin(); p != panner_info.end(); ++p) {
- d = &(*p)->descriptor;
-
- if (d->in == -1 && d->out == -1) {
- return *p;
- }
- }
-
- warning << string_compose (_("no panner discovered for in/out = %1/%2"), nin, nout) << endmsg;
-
- return 0;
+ PannerInfo* rv = NULL;
+ PanPluginDescriptor* d;
+ int32_t nin = in.n_audio();
+ int32_t nout = out.n_audio();
+ uint32_t priority = 0;
+
+ /* look for user-preference -- check if channels match */
+ for (list<PannerInfo*>::iterator p = panner_info.begin(); p != panner_info.end(); ++p) {
+ d = &(*p)->descriptor;
+ if (d->panner_uri != uri) continue;
+ if (d->in != nin && d->in != -1) continue;
+ if (d->out != nout && d->out != -1) continue;
+ return *p;
+ }
+
+ /* look for exact match first */
+
+ for (list<PannerInfo*>::iterator p = panner_info.begin(); p != panner_info.end(); ++p) {
+ d = &(*p)->descriptor;
+
+ if (d->in == nin && d->out == nout && d->priority > priority) {
+ priority = d->priority;
+ rv = *p;
+ }
+ }
+ if (rv) { return rv; }
+
+ /* no exact match, look for good fit on inputs and variable on outputs */
+
+ priority = 0;
+ for (list<PannerInfo*>::iterator p = panner_info.begin(); p != panner_info.end(); ++p) {
+ d = &(*p)->descriptor;
+
+ if (d->in == nin && d->out == -1 && d->priority > priority) {
+ priority = d->priority;
+ rv = *p;
+ }
+ }
+ if (rv) { return rv; }
+
+ /* no exact match, look for good fit on outputs and variable on inputs */
+
+ priority = 0;
+ for (list<PannerInfo*>::iterator p = panner_info.begin(); p != panner_info.end(); ++p) {
+ d = &(*p)->descriptor;
+
+ if (d->in == -1 && d->out == nout && d->priority > priority) {
+ priority = d->priority;
+ rv = *p;
+ }
+ }
+ if (rv) { return rv; }
+
+ /* no exact match, look for variable fit on inputs and outputs */
+
+ priority = 0;
+ for (list<PannerInfo*>::iterator p = panner_info.begin(); p != panner_info.end(); ++p) {
+ d = &(*p)->descriptor;
+
+ if (d->in == -1 && d->out == -1 && d->priority > priority) {
+ priority = d->priority;
+ rv = *p;
+ }
+ }
+ if (rv) { return rv; }
+
+ warning << string_compose (_("no panner discovered for in/out = %1/%2"), nin, nout) << endmsg;
+
+ return 0;
+}
+
+PannerInfo*
+PannerManager::get_by_uri (std::string uri) const
+{
+ PannerInfo* pi = NULL;
+ for (list<PannerInfo*>::const_iterator p = panner_info.begin(); p != panner_info.end(); ++p) {
+ if ((*p)->descriptor.panner_uri != uri) continue;
+ pi = (*p);
+ break;
+ }
+ return pi;
+}
+
+PannerUriMap
+PannerManager::get_available_panners(uint32_t const a_in, uint32_t const a_out) const
+{
+ int const in = a_in;
+ int const out = a_out;
+ PannerUriMap panner_list;
+
+ if (out < 2 || in == 0) {
+ return panner_list;
+ }
+
+ /* get available panners for current configuration. */
+ for (list<PannerInfo*>::const_iterator p = panner_info.begin(); p != panner_info.end(); ++p) {
+ PanPluginDescriptor* d = &(*p)->descriptor;
+ if (d->in != -1 && d->in != in) continue;
+ if (d->out != -1 && d->out != out) continue;
+ if (d->in == -1 && d->out == -1 && out <= 2) continue;
+ panner_list.insert(std::pair<std::string,std::string>(d->panner_uri,d->name));
+ }
+ return panner_list;
}