2 Copyright (C) 2011 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #include <glibmm/pattern.h>
23 #include <glibmm/fileutils.h>
25 #include "pbd/error.h"
26 #include "pbd/compose.h"
27 #include "pbd/pathscanner.h"
28 #include "pbd/stl_delete.h"
30 #include "ardour/debug.h"
31 #include "ardour/panner_manager.h"
33 #include "ardour/search_paths.h"
38 using namespace ARDOUR;
41 PannerManager* PannerManager::_instance = 0;
43 PannerManager::PannerManager ()
47 PannerManager::~PannerManager ()
49 for (list<PannerInfo*>::iterator p = panner_info.begin(); p != panner_info.end(); ++p) {
55 PannerManager::instance ()
58 _instance = new PannerManager ();
64 static bool panner_filter (const string& str, void */*arg*/)
68 * Different build targets (Debug / Release etc) use different versions
69 * of the 'C' runtime (which can't be 'mixed & matched'). Therefore, in
70 * case the supplied search path contains multiple version(s) of a given
71 * panner module, only select the one(s) which match the current build
72 * target (otherwise, all hell will break loose !!)
75 return str.length() > 12 && (str.find ("panner_") == 0) && (str.find ("D.dll") == (str.length() - 5));
76 #elif defined (RDC_BUILD)
77 return str.length() > 14 && (str.find ("panner_") == 0) && (str.find ("RDC.dll") == (str.length() - 7));
78 #elif defined (_WIN64)
79 return str.length() > 13 && (str.find ("panner_") == 0) && (str.find ("64.dll") == (str.length() - 6));
81 return str.length() > 13 && (str.find ("panner_") == 0) && (str.find ("32.dll") == (str.length() - 6));
83 #elif defined (__APPLE__)
84 return str[0] != '.' && (str.length() > 6 && str.find (".dylib") == (str.length() - 6));
86 return str[0] != '.' && (str.length() > 3 && (str.find (".so") == (str.length() - 3) || str.find (".dll") == (str.length() - 4)));
91 PannerManager::discover_panners ()
94 std::vector<std::string *> *panner_modules;
95 std::string search_path = panner_search_path().to_string();
97 DEBUG_TRACE (DEBUG::Panning, string_compose (_("looking for panners in %1\n"), search_path));
99 panner_modules = scanner (search_path, panner_filter, 0, false, true, 1, true);
101 for (vector<std::string *>::iterator i = panner_modules->begin(); i != panner_modules->end(); ++i) {
102 panner_discover (**i);
105 vector_delete (panner_modules);
106 delete (panner_modules);
110 PannerManager::panner_discover (string path)
114 if ((pinfo = get_descriptor (path)) != 0) {
116 list<PannerInfo*>::iterator i;
118 for (i = panner_info.begin(); i != panner_info.end(); ++i) {
119 if (pinfo->descriptor.name == (*i)->descriptor.name) {
124 if (i == panner_info.end()) {
125 panner_info.push_back (pinfo);
126 DEBUG_TRACE (DEBUG::Panning, string_compose(_("Panner discovered: \"%1\" in %2\n"), pinfo->descriptor.name, path));
134 PannerManager::get_descriptor (string path)
136 Glib::Module* module = new Glib::Module(path);
137 PannerInfo* info = 0;
138 PanPluginDescriptor *descriptor = 0;
139 PanPluginDescriptor* (*dfunc)(void);
143 error << string_compose(_("PannerManager: cannot load module \"%1\" (%2)"), path,
144 Glib::Module::get_last_error()) << endmsg;
149 if (!module->get_symbol("panner_descriptor", func)) {
150 error << string_compose(_("PannerManager: module \"%1\" has no descriptor function."), path) << endmsg;
151 error << Glib::Module::get_last_error() << endmsg;
156 dfunc = (PanPluginDescriptor* (*)(void))func;
157 descriptor = dfunc();
160 info = new PannerInfo (*descriptor, module);
169 PannerManager::select_panner (ChanCount in, ChanCount out, std::string const uri)
171 PannerInfo* rv = NULL;
172 PanPluginDescriptor* d;
173 int32_t nin = in.n_audio();
174 int32_t nout = out.n_audio();
175 uint32_t priority = 0;
177 /* look for user-preference -- check if channels match */
178 for (list<PannerInfo*>::iterator p = panner_info.begin(); p != panner_info.end(); ++p) {
179 d = &(*p)->descriptor;
180 if (d->panner_uri != uri) continue;
181 if (d->in != nin && d->in != -1) continue;
182 if (d->out != nout && d->out != -1) continue;
186 /* look for exact match first */
188 for (list<PannerInfo*>::iterator p = panner_info.begin(); p != panner_info.end(); ++p) {
189 d = &(*p)->descriptor;
191 if (d->in == nin && d->out == nout && d->priority > priority) {
192 priority = d->priority;
196 if (rv) { return rv; }
198 /* no exact match, look for good fit on inputs and variable on outputs */
201 for (list<PannerInfo*>::iterator p = panner_info.begin(); p != panner_info.end(); ++p) {
202 d = &(*p)->descriptor;
204 if (d->in == nin && d->out == -1 && d->priority > priority) {
205 priority = d->priority;
209 if (rv) { return rv; }
211 /* no exact match, look for good fit on outputs and variable on inputs */
214 for (list<PannerInfo*>::iterator p = panner_info.begin(); p != panner_info.end(); ++p) {
215 d = &(*p)->descriptor;
217 if (d->in == -1 && d->out == nout && d->priority > priority) {
218 priority = d->priority;
222 if (rv) { return rv; }
224 /* no exact match, look for variable fit on inputs and outputs */
227 for (list<PannerInfo*>::iterator p = panner_info.begin(); p != panner_info.end(); ++p) {
228 d = &(*p)->descriptor;
230 if (d->in == -1 && d->out == -1 && d->priority > priority) {
231 priority = d->priority;
235 if (rv) { return rv; }
237 warning << string_compose (_("no panner discovered for in/out = %1/%2"), nin, nout) << endmsg;
243 PannerManager::get_by_uri (std::string uri) const
245 PannerInfo* pi = NULL;
246 for (list<PannerInfo*>::const_iterator p = panner_info.begin(); p != panner_info.end(); ++p) {
247 if ((*p)->descriptor.panner_uri != uri) continue;
255 PannerManager::get_available_panners(uint32_t const a_in, uint32_t const a_out) const
258 int const out = a_out;
259 PannerUriMap panner_list;
261 if (out < 2 || in == 0) {
265 /* get available panners for current configuration. */
266 for (list<PannerInfo*>::const_iterator p = panner_info.begin(); p != panner_info.end(); ++p) {
267 PanPluginDescriptor* d = &(*p)->descriptor;
268 if (d->in != -1 && d->in != in) continue;
269 if (d->out != -1 && d->out != out) continue;
270 if (d->in == -1 && d->out == -1 && out <= 2) continue;
271 panner_list.insert(std::pair<std::string,std::string>(d->panner_uri,d->name));