cannam@1: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
cannam@1: 
cannam@1: /*
cannam@1:     Vamp
cannam@1: 
cannam@1:     An API for audio analysis and feature extraction plugins.
cannam@1: 
cannam@1:     Centre for Digital Music, Queen Mary, University of London.
cannam@1:     Copyright 2006 Chris Cannam.
cannam@1:   
cannam@1:     Permission is hereby granted, free of charge, to any person
cannam@1:     obtaining a copy of this software and associated documentation
cannam@1:     files (the "Software"), to deal in the Software without
cannam@1:     restriction, including without limitation the rights to use, copy,
cannam@1:     modify, merge, publish, distribute, sublicense, and/or sell copies
cannam@1:     of the Software, and to permit persons to whom the Software is
cannam@1:     furnished to do so, subject to the following conditions:
cannam@1: 
cannam@1:     The above copyright notice and this permission notice shall be
cannam@1:     included in all copies or substantial portions of the Software.
cannam@1: 
cannam@1:     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
cannam@1:     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
cannam@1:     MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
cannam@6:     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
cannam@1:     ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
cannam@1:     CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
cannam@1:     WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
cannam@1: 
cannam@1:     Except as contained in this notice, the names of the Centre for
cannam@1:     Digital Music; Queen Mary, University of London; and Chris Cannam
cannam@1:     shall not be used in advertising or otherwise to promote the sale,
cannam@1:     use or other dealings in this Software without prior written
cannam@1:     authorization.
cannam@1: */
cannam@1: 
cannam@1: #include <iostream>
cannam@1: 
cannam@1: #include "vamp.h"
cannam@1: 
cannam@1: #include "PluginHostAdapter.h"
cannam@1: 
cannam@1: #include "system.h"
cannam@1: 
cannam@1: /*
cannam@1:     A very simple Vamp plugin host.  So far all this does is load the
cannam@1:     plugin library given on the command line and dump out the names of
cannam@1:     the plugins found in it.
cannam@1: */
cannam@1: 
cannam@1: int main(int argc, char **argv)
cannam@1: {
cannam@1:     if (argc != 2) {
cannam@1:         std::cerr << "Usage: " << argv[0] << " pluginlibrary.so" << std::endl;
cannam@1:         return 2;
cannam@1:     }
cannam@1: 
cannam@1:     std::cerr << std::endl << argv[0] << ": Running..." << std::endl;
cannam@1: 
cannam@1:     std::string soname = argv[1];
cannam@1: 
cannam@1:     void *libraryHandle = DLOPEN(soname, RTLD_LAZY);
cannam@1: 
cannam@1:     if (!libraryHandle) {
cannam@1:         std::cerr << argv[0] << ": Failed to open plugin library " 
cannam@10:                   << soname << ": " << DLERROR() << std::endl;
cannam@1:         return 1;
cannam@1:     }
cannam@1: 
cannam@1:     std::cout << argv[0] << ": Opened plugin library " << soname << std::endl;
cannam@1: 
cannam@1:     VampGetPluginDescriptorFunction fn = (VampGetPluginDescriptorFunction)
cannam@1:         DLSYM(libraryHandle, "vampGetPluginDescriptor");
cannam@1:     
cannam@1:     if (!fn) {
cannam@1:         std::cerr << argv[0] << ": No Vamp descriptor function in library "
cannam@1:                   << soname << std::endl;
cannam@1:         DLCLOSE(libraryHandle);
cannam@1:         return 1;
cannam@1:     }
cannam@1: 
cannam@1:     std::cout << argv[0] << ": Found plugin descriptor function" << std::endl;
cannam@1: 
cannam@1:     int index = 0;
cannam@1:     const VampPluginDescriptor *descriptor = 0;
cannam@1: 
cannam@1:     while ((descriptor = fn(index))) {
cannam@1: 
cannam@1:         Vamp::PluginHostAdapter adapter(descriptor, 48000);
cannam@1:         std::cout << argv[0] << ": Plugin " << (index+1)
cannam@1:                   << " is \"" << adapter.getName() << "\"" << std::endl;
cannam@1:         
cannam@1:         ++index;
cannam@1:     }
cannam@1: 
cannam@1:     std::cout << argv[0] << ": Done\n" << std::endl;
cannam@1: 
cannam@1:     DLCLOSE(libraryHandle);
cannam@1:     return 0;
cannam@1: }
cannam@1: