Merge windows+cc branch into cairocanvas branch. Not finished, need to now merge...

[ardour.git] / libs / ardour / panner_manager.cc

diff --git a/libs/ardour/panner_manager.cc b/libs/ardour/panner_manager.cc
index 8611c7bc86d5b4ba9c183a25014126b45e1e8f58..3c9623f3e6fa674a798c4c731258b3650a303536 100644 (file)
--- a/libs/ardour/panner_manager.cc
+++ b/libs/ardour/panner_manager.cc
@@ -24,7 +24,8 @@
 
 #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"
@@ -60,29 +61,31 @@ PannerManager::instance ()
        return *_instance;
 }
 
+static bool panner_filter (const string& str, void */*arg*/)
+{
+#ifdef __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<std::string> panner_modules;
-
-       Glib::PatternSpec so_extension_pattern("*.so");
-       Glib::PatternSpec dylib_extension_pattern("*.dylib");
-       Glib::PatternSpec dll_extension_pattern("*.dll");
-
-       find_matching_files_in_search_path (panner_search_path (),
-                                           so_extension_pattern, panner_modules);
+       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 (),
-                                           dylib_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 (),
-                                           dll_extension_pattern, panner_modules);
+       panner_modules = scanner (search_path, panner_filter, 0, false, true, 1, true);
 
-       DEBUG_TRACE (DEBUG::Panning, string_compose (_("looking for panners in %1"), panner_search_path().to_string()));
-
-       for (vector<std::string>::iterator i = panner_modules.begin(); i != panner_modules.end(); ++i) {
-               panner_discover (*i);
+       for (vector<std::string *>::iterator i = panner_modules->begin(); i != panner_modules->end(); ++i) {
+               panner_discover (**i);
        }
+
+       vector_delete (panner_modules);
 }
 
 int
@@ -102,7 +105,7 @@ PannerManager::panner_discover (string path)
 
                if (i == panner_info.end()) {
                        panner_info.push_back (pinfo);
-                       DEBUG_TRACE (DEBUG::Panning, string_compose(_("Panner discovered: \"%1\" in %2"), pinfo->descriptor.name, path));
+                       DEBUG_TRACE (DEBUG::Panning, string_compose(_("Panner discovered: \"%1\" in %2\n"), pinfo->descriptor.name, path));
                }
        }
 
@@ -145,53 +148,87 @@ PannerManager::get_descriptor (string path)
 }
 
 PannerInfo*
-PannerManager::select_panner (ChanCount in, ChanCount out)
+PannerManager::select_panner (ChanCount in, ChanCount out, std::string const uri)
 {
+       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) {
-                       return *p;
+               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) {
-                       return *p;
+               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) {
-                       return *p;
+               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) {
-                       return *p;
+               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)
+{
+       PannerInfo* pi = NULL;
+       for (list<PannerInfo*>::iterator p = panner_info.begin(); p != panner_info.end(); ++p) {
+               if ((*p)->descriptor.panner_uri != uri) continue;
+               pi = (*p);
+               break;
+       }
+       return pi;
+}