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#ifdef _WIN32
#include <windows.h>
#else
#include <dlfcn.h>
#endif
#include <cstdio>
#include <cstring>
#include <QDirIterator>
#include "qmpplugin.hpp"
#include "qmpmainwindow.hpp"
#include "qmpsettingswindow.hpp"
qmpPluginAPI* pluginAPI;
qmpMainWindow* qmw;
qmpSettingsWindow* qsw;
#ifdef _WIN32
void qmpPluginManager::scanPlugins()
{
QDirIterator *dir;
std::vector<std::string> cpluginpaths;
dir=new QDirIterator(".\\plugins\\");
while(dir->hasNext())
{
dir->next();
if(dir->fileInfo().suffix()=="dll")
cpluginpaths.push_back(std::string(".\\plugins\\")+dir->fileName().toStdString());
}
delete dir;
for(unsigned i=0;i<cpluginpaths.size();++i)
{
HMODULE hso=LoadLibraryA(cpluginpaths[i].c_str());
if(!hso){fprintf(stderr,"Error while loading library: %d\n",GetLastError());continue;}
FARPROC hndi=GetProcAddress(hso,"qmpPluginGetInterface");
if(!hndi){fprintf(stderr,"file %s doesn't seem to be a qmidiplayer plugin.\n",cpluginpaths[i].c_str());continue;}
qmpPluginEntry e=(qmpPluginEntry)hndi;
qmpPluginIntf* intf=e(pluginAPI);
plugins.push_back(qmpPlugin(std::string(intf->pluginGetName()),std::string(intf->pluginGetVersion()),std::string(cpluginpaths[i]),intf));
}
}
#else
void qmpPluginManager::scanPlugins()
{
QDirIterator *dir;
std::vector<std::string> cpluginpaths;
#ifdef QMP_BUILD_UNIX_PACKAGE
dir=new QDirIterator("/usr/lib/qmidiplayer/");
while(dir->hasNext())
{
dir->next();
if(dir->fileInfo().suffix()=="so")
cpluginpaths.push_back(std::string("/usr/lib/qmidiplayer/")+dir->fileName().toStdString());
}
delete dir;
#endif
dir=new QDirIterator("./");
while(dir->hasNext())
{
dir->next();
if(dir->fileInfo().suffix()=="so")
cpluginpaths.push_back(std::string("./")+dir->fileName().toStdString());
}
delete dir;
for(unsigned i=0;i<cpluginpaths.size();++i)
{
void* hso=dlopen(cpluginpaths[i].c_str(),RTLD_LAZY);
if(!hso){fprintf(stderr,"%s\n",dlerror());continue;}
void* hndi=dlsym(hso,"qmpPluginGetInterface");
if(!hndi){fprintf(stderr,"file %s doesn't seem to be a qmidiplayer plugin.\n",cpluginpaths[i].c_str());continue;}
qmpPluginEntry e=(qmpPluginEntry)hndi;
qmpPluginIntf* intf=e(pluginAPI);
plugins.push_back(qmpPlugin(std::string(intf->pluginGetName()),std::string(intf->pluginGetVersion()),std::string(cpluginpaths[i]),intf));
}
}
#endif
qmpPluginManager::qmpPluginManager()
{
qmw=qmpMainWindow::getInstance();
qsw=qmw->getSettingsWindow();
pluginAPI=new qmpPluginAPI();
}
qmpPluginManager::~qmpPluginManager()
{
for(unsigned i=0;i<plugins.size();++i)
{
if(plugins[i].initialized)plugins[i].pinterface->deinit();
delete plugins[i].pinterface;
}
qmw=NULL;qsw=NULL;delete pluginAPI;
}
std::vector<qmpPlugin> *qmpPluginManager::getPlugins()
{
return &plugins;
}
void qmpPluginManager::initPlugins()
{
for(unsigned i=0;i<plugins.size();++i)
{
if(!plugins[i].enabled)continue;
printf("Loaded plugin: %s\n",plugins[i].path.c_str());
plugins[i].pinterface->init();plugins[i].initialized=true;
}
}
void qmpPluginManager::deinitPlugins()
{
for(unsigned i=0;i<plugins.size();++i)
{
if(plugins[i].initialized)plugins[i].pinterface->deinit();
plugins[i].enabled=plugins[i].initialized=false;
}
}
qmpPluginAPI::~qmpPluginAPI(){}
uint32_t qmpPluginAPI::getDivision()
{return qmw&&qmw->getPlayer()?qmw->getPlayer()->getDivision():0;}
uint32_t qmpPluginAPI::getRawTempo()
{return qmw&&qmw->getPlayer()?qmw->getPlayer()->getRawTempo():0;}
double qmpPluginAPI::getRealTempo()
{return qmw&&qmw->getPlayer()?qmw->getPlayer()->getTempo():0;}
uint32_t qmpPluginAPI::getTimeSig()
{int n,d=0,t;qmw&&qmw->getPlayer()?qmw->getPlayer()->getCurrentTimeSignature(&n,&t):void(0);for(;t>>=1;++d);return n<<8|d;}
int qmpPluginAPI::getKeySig()
{return qmw&&qmw->getPlayer()?qmw->getPlayer()->getCurrentKeySignature():0;}
uint32_t qmpPluginAPI::getNoteCount()
{return qmw&&qmw->getPlayer()?qmw->getPlayer()->getFileNoteCount():0;}
uint32_t qmpPluginAPI::getCurrentPolyphone()
{return qmw&&qmw->getPlayer()?qmw->getPlayer()->getPolyphone():0;}
uint32_t qmpPluginAPI::getMaxPolyphone()
{return qmw&&qmw->getPlayer()?qmw->getPlayer()->getMaxPolyphone():0;}
uint32_t qmpPluginAPI::getCurrentTimeStamp()
{return qmw&&qmw->getPlayer()?qmw->getPlayer()->getTick():0;}
uint32_t qmpPluginAPI::getCurrentPlaybackPercentage()
{return qmw?qmw->getPlaybackPercentage():0;}
void qmpPluginAPI::playerSeek(uint32_t percentage)
{if(qmw)qmw->playerSeek(percentage);}
double qmpPluginAPI::getPitchBend(int ch)
{return qmw&&qmw->getPlayer()?qmw->getPlayer()->getPitchBend(ch):0;}
bool qmpPluginAPI::getChannelMask(int ch)
{return qmw&&qmw->getPlayer()?qmw->getPlayer()->getChannelMask(ch):false;}
std::string qmpPluginAPI::getTitle()
{return qmw?qmw->getTitle():"";}
std::wstring qmpPluginAPI::getWTitle()
{return qmw?qmw->getWTitle():L"";}
std::string qmpPluginAPI::getChannelPresetString(int ch)
{
int b,p;char nm[25],ret[33];ret[0]=0;
if(qmw&&qmw->getPlayer())
{
qmw->getPlayer()->getChannelPreset(ch,&b,&p,nm);
sprintf(ret,"%03d:%03d %s",b,p,nm);
}
return std::string(ret);
}
int qmpPluginAPI::registerEventHandlerIntf(IMidiCallBack *cb,void *userdata)
{return qmw->getPlayer()->setEventHandlerCB(cb,userdata);}
void qmpPluginAPI::unregisterEventHandlerIntf(int intfhandle)
{qmw->getPlayer()->unsetEventHandlerCB(intfhandle);}
int qmpPluginAPI::registerEventReaderIntf(IMidiCallBack *cb,void *userdata)
{return qmw->getPlayer()->setEventReaderCB(cb,userdata);}
void qmpPluginAPI::unregisterEventReaderIntf(int intfhandle)
{qmw->getPlayer()->unsetEventReaderCB(intfhandle);}
int qmpPluginAPI::registerVisualizationIntf(qmpVisualizationIntf* intf)
{return qmw->registerVisualizationIntf(intf);}
void qmpPluginAPI::unregisterVisualizationIntf(int intfhandle)
{qmw->unregisterVisualizationIntf(intfhandle);}
void qmpPluginAPI::registerOptionInt(std::string tab,std::string desc,std::string key,int min,int max,int defaultval)
{qsw->registerOptionInt(tab,desc,key,min,max,defaultval);}
int qmpPluginAPI::getOptionInt(std::string key){return qsw->getOptionInt(key);}
void qmpPluginAPI::setOptionInt(std::string key,int val){qsw->setOptionInt(key,val);}
void qmpPluginAPI::registerOptionUint(std::string tab,std::string desc,std::string key,unsigned min,unsigned max,unsigned defaultval)
{qsw->registerOptionUint(tab,desc,key,min,max,defaultval);}
unsigned qmpPluginAPI::getOptionUint(std::string key){return qsw->getOptionUint(key);}
void qmpPluginAPI::setOptionUint(std::string key,unsigned val){qsw->setOptionUint(key,val);}
void qmpPluginAPI::registerOptionBool(std::string tab,std::string desc,std::string key,bool defaultval)
{qsw->registerOptionBool(tab,desc,key,defaultval);}
bool qmpPluginAPI::getOptionBool(std::string key){return qsw->getOptionBool(key);}
void qmpPluginAPI::setOptionBool(std::string key,bool val){qsw->setOptionBool(key,val);}
void qmpPluginAPI::registerOptionDouble(std::string tab,std::string desc,std::string key,double min,double max,double defaultval)
{qsw->registerOptionDouble(tab,desc,key,min,max,defaultval);}
double qmpPluginAPI::getOptionDouble(std::string key){return qsw->getOptionDouble(key);}
void qmpPluginAPI::setOptionDouble(std::string key,double val){qsw->setOptionDouble(key,val);}
void qmpPluginAPI::registerOptionString(std::string tab,std::string desc,std::string key,std::string defaultval)
{qsw->registerOptionString(tab,desc,key,defaultval);}
std::string qmpPluginAPI::getOptionString(std::string key){return qsw->getOptionString(key);}
void qmpPluginAPI::setOptionString(std::string key,std::string val){return qsw->setOptionString(key,val);}
void qmpPluginAPI::registerOptionEnumInt(std::string tab,std::string desc,std::string key,std::vector<std::string> options,int defaultval)
{qsw->registerOptionEnumInt(tab,desc,key,options,defaultval);}
int qmpPluginAPI::getOptionEnumInt(std::string key){return qsw->getOptionEnumInt(key);}
void qmpPluginAPI::setOptionEnumInt(std::string key,int val){return qsw->setOptionEnumInt(key,val);}
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