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;
95 DEBUG_TRACE (DEBUG::Panning, string_compose (_("looking for panners in %1\n"), panner_search_path().to_string()));
97 find_files_matching_filter (panner_modules, panner_search_path(), panner_filter, 0, false, true, true);
99 for (vector<std::string>::iterator i = panner_modules.begin(); i != panner_modules.end(); ++i) {
100 panner_discover (*i);
105 PannerManager::panner_discover (string path)
109 if ((pinfo = get_descriptor (path)) != 0) {
111 list<PannerInfo*>::iterator i;
113 for (i = panner_info.begin(); i != panner_info.end(); ++i) {
114 if (pinfo->descriptor.name == (*i)->descriptor.name) {
119 if (i == panner_info.end()) {
120 panner_info.push_back (pinfo);
121 DEBUG_TRACE (DEBUG::Panning, string_compose(_("Panner discovered: \"%1\" in %2\n"), pinfo->descriptor.name, path));
131 PannerManager::get_descriptor (string path)
133 Glib::Module* module = new Glib::Module(path);
134 PannerInfo* info = 0;
135 PanPluginDescriptor *descriptor = 0;
136 PanPluginDescriptor* (*dfunc)(void);
140 error << string_compose(_("PannerManager: cannot load module \"%1\" (%2)"), path,
141 Glib::Module::get_last_error()) << endmsg;
146 if (!module->get_symbol("panner_descriptor", func)) {
147 error << string_compose(_("PannerManager: module \"%1\" has no descriptor function."), path) << endmsg;
148 error << Glib::Module::get_last_error() << endmsg;
153 dfunc = (PanPluginDescriptor* (*)(void))func;
154 descriptor = dfunc();
157 info = new PannerInfo (*descriptor, module);
166 PannerManager::select_panner (ChanCount in, ChanCount out, std::string const uri)
168 PannerInfo* rv = NULL;
169 PanPluginDescriptor* d;
170 int32_t nin = in.n_audio();
171 int32_t nout = out.n_audio();
172 uint32_t priority = 0;
174 /* look for user-preference -- check if channels match */
175 for (list<PannerInfo*>::iterator p = panner_info.begin(); p != panner_info.end(); ++p) {
176 d = &(*p)->descriptor;
177 if (d->panner_uri != uri) continue;
178 if (d->in != nin && d->in != -1) continue;
179 if (d->out != nout && d->out != -1) continue;
183 /* look for exact match first */
185 for (list<PannerInfo*>::iterator p = panner_info.begin(); p != panner_info.end(); ++p) {
186 d = &(*p)->descriptor;
188 if (d->in == nin && d->out == nout && d->priority > priority) {
189 priority = d->priority;
193 if (rv) { return rv; }
195 /* no exact match, look for good fit on inputs and variable on outputs */
198 for (list<PannerInfo*>::iterator p = panner_info.begin(); p != panner_info.end(); ++p) {
199 d = &(*p)->descriptor;
201 if (d->in == nin && d->out == -1 && d->priority > priority) {
202 priority = d->priority;
206 if (rv) { return rv; }
208 /* no exact match, look for good fit on outputs and variable on inputs */
211 for (list<PannerInfo*>::iterator p = panner_info.begin(); p != panner_info.end(); ++p) {
212 d = &(*p)->descriptor;
214 if (d->in == -1 && d->out == nout && d->priority > priority) {
215 priority = d->priority;
219 if (rv) { return rv; }
221 /* no exact match, look for variable fit on inputs and outputs */
224 for (list<PannerInfo*>::iterator p = panner_info.begin(); p != panner_info.end(); ++p) {
225 d = &(*p)->descriptor;
227 if (d->in == -1 && d->out == -1 && d->priority > priority) {
228 priority = d->priority;
232 if (rv) { return rv; }
234 warning << string_compose (_("no panner discovered for in/out = %1/%2"), nin, nout) << endmsg;
240 PannerManager::get_by_uri (std::string uri) const
242 PannerInfo* pi = NULL;
243 for (list<PannerInfo*>::const_iterator p = panner_info.begin(); p != panner_info.end(); ++p) {
244 if ((*p)->descriptor.panner_uri != uri) continue;
252 PannerManager::get_available_panners(uint32_t const a_in, uint32_t const a_out) const
255 int const out = a_out;
256 PannerUriMap panner_list;
258 if (out < 2 || in == 0) {
262 /* get available panners for current configuration. */
263 for (list<PannerInfo*>::const_iterator p = panner_info.begin(); p != panner_info.end(); ++p) {
264 PanPluginDescriptor* d = &(*p)->descriptor;
265 if (d->in != -1 && d->in != in) continue;
266 if (d->out != -1 && d->out != out) continue;
267 if (d->in == -1 && d->out == -1 && out <= 2) continue;
268 panner_list.insert(std::pair<std::string,std::string>(d->panner_uri,d->name));