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/file_utils.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 ()
93 std::vector<std::string> panner_modules;
94 std::string search_path = panner_search_path().to_string();
96 DEBUG_TRACE (DEBUG::Panning, string_compose (_("looking for panners in %1\n"), search_path));
98 find_files_matching_filter (panner_modules, search_path, panner_filter, 0, false, true, true);
100 for (vector<std::string>::iterator i = panner_modules.begin(); i != panner_modules.end(); ++i) {
101 panner_discover (*i);
106 PannerManager::panner_discover (string path)
110 if ((pinfo = get_descriptor (path)) != 0) {
112 list<PannerInfo*>::iterator i;
114 for (i = panner_info.begin(); i != panner_info.end(); ++i) {
115 if (pinfo->descriptor.name == (*i)->descriptor.name) {
120 if (i == panner_info.end()) {
121 panner_info.push_back (pinfo);
122 DEBUG_TRACE (DEBUG::Panning, string_compose(_("Panner discovered: \"%1\" in %2\n"), pinfo->descriptor.name, path));
132 PannerManager::get_descriptor (string path)
134 Glib::Module* module = new Glib::Module(path);
135 PannerInfo* info = 0;
136 PanPluginDescriptor *descriptor = 0;
137 PanPluginDescriptor* (*dfunc)(void);
141 error << string_compose(_("PannerManager: cannot load module \"%1\" (%2)"), path,
142 Glib::Module::get_last_error()) << endmsg;
147 if (!module->get_symbol("panner_descriptor", func)) {
148 error << string_compose(_("PannerManager: module \"%1\" has no descriptor function."), path) << endmsg;
149 error << Glib::Module::get_last_error() << endmsg;
154 dfunc = (PanPluginDescriptor* (*)(void))func;
155 descriptor = dfunc();
158 info = new PannerInfo (*descriptor, module);
167 PannerManager::select_panner (ChanCount in, ChanCount out, std::string const uri)
169 PannerInfo* rv = NULL;
170 PanPluginDescriptor* d;
171 int32_t nin = in.n_audio();
172 int32_t nout = out.n_audio();
173 uint32_t priority = 0;
175 /* look for user-preference -- check if channels match */
176 for (list<PannerInfo*>::iterator p = panner_info.begin(); p != panner_info.end(); ++p) {
177 d = &(*p)->descriptor;
178 if (d->panner_uri != uri) continue;
179 if (d->in != nin && d->in != -1) continue;
180 if (d->out != nout && d->out != -1) continue;
184 /* look for exact match first */
186 for (list<PannerInfo*>::iterator p = panner_info.begin(); p != panner_info.end(); ++p) {
187 d = &(*p)->descriptor;
189 if (d->in == nin && d->out == nout && d->priority > priority) {
190 priority = d->priority;
194 if (rv) { return rv; }
196 /* no exact match, look for good fit on inputs and variable on outputs */
199 for (list<PannerInfo*>::iterator p = panner_info.begin(); p != panner_info.end(); ++p) {
200 d = &(*p)->descriptor;
202 if (d->in == nin && d->out == -1 && d->priority > priority) {
203 priority = d->priority;
207 if (rv) { return rv; }
209 /* no exact match, look for good fit on outputs and variable on inputs */
212 for (list<PannerInfo*>::iterator p = panner_info.begin(); p != panner_info.end(); ++p) {
213 d = &(*p)->descriptor;
215 if (d->in == -1 && d->out == nout && d->priority > priority) {
216 priority = d->priority;
220 if (rv) { return rv; }
222 /* no exact match, look for variable fit on inputs and outputs */
225 for (list<PannerInfo*>::iterator p = panner_info.begin(); p != panner_info.end(); ++p) {
226 d = &(*p)->descriptor;
228 if (d->in == -1 && d->out == -1 && d->priority > priority) {
229 priority = d->priority;
233 if (rv) { return rv; }
235 warning << string_compose (_("no panner discovered for in/out = %1/%2"), nin, nout) << endmsg;
241 PannerManager::get_by_uri (std::string uri) const
243 PannerInfo* pi = NULL;
244 for (list<PannerInfo*>::const_iterator p = panner_info.begin(); p != panner_info.end(); ++p) {
245 if ((*p)->descriptor.panner_uri != uri) continue;
253 PannerManager::get_available_panners(uint32_t const a_in, uint32_t const a_out) const
256 int const out = a_out;
257 PannerUriMap panner_list;
259 if (out < 2 || in == 0) {
263 /* get available panners for current configuration. */
264 for (list<PannerInfo*>::const_iterator p = panner_info.begin(); p != panner_info.end(); ++p) {
265 PanPluginDescriptor* d = &(*p)->descriptor;
266 if (d->in != -1 && d->in != in) continue;
267 if (d->out != -1 && d->out != out) continue;
268 if (d->in == -1 && d->out == -1 && out <= 2) continue;
269 panner_list.insert(std::pair<std::string,std::string>(d->panner_uri,d->name));