src/thread_avisynth.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Simple x264 Launcher
   3 // Copyright (C) 2004-2016 LoRd_MuldeR <MuldeR2@GMX.de>
   4 //
   5 // This program is free software; you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation; either version 2 of the License, or
   8 // (at your option) any later version.
   9 //
  10 // This program is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License along
  16 // with this program; if not, write to the Free Software Foundation, Inc.,
  17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 //
  19 // http://www.gnu.org/licenses/gpl-2.0.txt
  20 ///////////////////////////////////////////////////////////////////////////////
  21
  22 #include "thread_avisynth.h"
  23
  24 #include <QLibrary>
  25 #include <QEventLoop>
  26 #include <QTimer>
  27 #include <QMutexLocker>
  28 #include <QApplication>
  29 #include <QProcess>
  30 #include <QDir>
  31
  32 //Internal
  33 #include "global.h"
  34 #include "model_sysinfo.h"
  35
  36 //MUtils
  37 #include <MUtils/Global.h>
  38 #include <MUtils/OSSupport.h>
  39
  40 //Static
  41 QMutex AvisynthCheckThread::m_avsLock;
  42 QScopedPointer<QFile> AvisynthCheckThread::m_avsDllPath[2];
  43
  44 //Helper
  45 #define BOOLIFY(X) ((X) ? '1' : '0')
  46
  47 //Utility function
  48 QString AVS_CHECK_BINARY(const SysinfoModel *sysinfo, const bool& x64)
  49 {
  50         return QString("%1/toolset/%2/avs_check_%2.exe").arg(sysinfo->getAppPath(), (x64 ? "x64": "x86"));
  51 }
  52
  53 class Wow64RedirectionDisabler
  54 {
  55 public:
  56         Wow64RedirectionDisabler(void)
  57         {
  58                 m_oldValue = NULL;
  59                 m_disabled = MUtils::OS::wow64fsredir_disable(m_oldValue);
  60         }
  61         ~Wow64RedirectionDisabler(void)
  62         {
  63                 if(m_disabled)
  64                 {
  65                         if(!MUtils::OS::wow64fsredir_revert(m_oldValue))
  66                         {
  67                                 qWarning("Failed to renable WOW64 filesystem redirection!");
  68                         }
  69                 }
  70         }
  71 private:
  72         bool  m_disabled;
  73         void* m_oldValue;
  74 };
  75
  76 //-------------------------------------
  77 // External API
  78 //-------------------------------------
  79
  80 bool AvisynthCheckThread::detect(SysinfoModel *sysinfo)
  81 {
  82         sysinfo->clearAvisynth();
  83         double version = 0.0;
  84         QMutexLocker lock(&m_avsLock);
  85
  86         QEventLoop loop;
  87         AvisynthCheckThread thread(sysinfo);
  88
  89         QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
  90
  91         connect(&thread, SIGNAL(finished()), &loop, SLOT(quit()));
  92         connect(&thread, SIGNAL(terminated()), &loop, SLOT(quit()));
  93
  94         thread.start();
  95         QTimer::singleShot(15000, &loop, SLOT(quit()));
  96
  97         qDebug("Avisynth thread has been created, please wait...");
  98         loop.exec(QEventLoop::ExcludeUserInputEvents);
  99         qDebug("Avisynth thread finished.");
 100
 101         QApplication::restoreOverrideCursor();
 102
 103         if(!thread.wait(1000))
 104         {
 105                 qWarning("Avisynth thread encountered timeout -> probably deadlock!");
 106                 thread.terminate();
 107                 thread.wait();
 108                 return false;
 109         }
 110
 111         if(thread.getException())
 112         {
 113                 qWarning("Avisynth thread encountered an exception !!!");
 114                 return false;
 115         }
 116
 117         if(thread.getSuccess())
 118         {
 119                 sysinfo->setAvisynth(SysinfoModel::Avisynth_X86, thread.getSuccess() & AVISYNTH_X86);
 120                 sysinfo->setAvisynth(SysinfoModel::Avisynth_X64, thread.getSuccess() & AVISYNTH_X64);
 121                 qDebug("Avisynth support is officially enabled now! [x86=%c, x64=%c]", BOOLIFY(sysinfo->getAvisynth(SysinfoModel::Avisynth_X86)), BOOLIFY(sysinfo->getAvisynth(SysinfoModel::Avisynth_X64)));
 122         }
 123         else
 124         {
 125                 qWarning("Avisynth could not be found -> Avisynth support disabled!");
 126         }
 127
 128         return true;
 129 }
 130
 131 //-------------------------------------
 132 // Thread class
 133 //-------------------------------------
 134
 135 AvisynthCheckThread::AvisynthCheckThread(const SysinfoModel *const sysinfo)
 136 :
 137         m_sysinfo(sysinfo)
 138 {
 139         m_success = false;
 140         m_exception = false;
 141 }
 142
 143 AvisynthCheckThread::~AvisynthCheckThread(void)
 144 {
 145 }
 146
 147 void AvisynthCheckThread::run(void)
 148 {
 149         m_exception = false;
 150         m_success &= 0;
 151
 152         detectAvisynthVersion1(m_success, m_sysinfo, &m_exception);
 153 }
 154
 155 void AvisynthCheckThread::detectAvisynthVersion1(int &success, const SysinfoModel *const sysinfo, volatile bool *exception)
 156 {
 157         __try
 158         {
 159                 detectAvisynthVersion2(success, sysinfo, exception);
 160         }
 161         __except(1)
 162         {
 163                 *exception = true;
 164                 qWarning("Unhandled exception error in Avisynth thread !!!");
 165         }
 166 }
 167
 168 void AvisynthCheckThread::detectAvisynthVersion2(int &success, const SysinfoModel *const sysinfo, volatile bool *exception)
 169 {
 170         try
 171         {
 172                 return detectAvisynthVersion3(success, sysinfo);
 173         }
 174         catch(...)
 175         {
 176                 *exception = true;
 177                 qWarning("Avisynth initializdation raised an C++ exception!");
 178         }
 179 }
 180
 181 void AvisynthCheckThread::detectAvisynthVersion3(int &success, const SysinfoModel *const sysinfo)
 182 {
 183         success &= 0;
 184
 185         QFile *avsPath32;
 186         if(checkAvisynth(sysinfo, avsPath32, false))
 187         {
 188                 m_avsDllPath[0].reset(avsPath32);
 189                 success |= AVISYNTH_X86;
 190                 qDebug("Avisynth 32-Bit edition found!");
 191         }
 192         else
 193         {
 194                 qDebug("Avisynth 32-Bit edition *not* found!");
 195         }
 196
 197         if(sysinfo->getCPUFeatures(SysinfoModel::CPUFeatures_X64))
 198         {
 199                 QFile *avsPath64;
 200                 if(checkAvisynth(sysinfo, avsPath64, true))
 201                 {
 202                         m_avsDllPath[1].reset(avsPath64);
 203                         success |= AVISYNTH_X64;
 204                         qDebug("Avisynth 64-Bit edition found!");
 205                 }
 206                 else
 207                 {
 208                         qDebug("Avisynth 64-Bit edition *not* found!");
 209                 }
 210         }
 211         else
 212         {
 213                 qWarning("Skipping 64-Bit Avisynth check on non-x64 system!");
 214         }
 215 }
 216
 217 bool AvisynthCheckThread::checkAvisynth(const SysinfoModel *const sysinfo, QFile *&path, const bool &x64)
 218 {
 219         qDebug("Avisynth %s-Bit support is being tested.", x64 ? "64" : "32");
 220
 221         QProcess process;
 222         QStringList output;
 223
 224         //Setup process object
 225         process.setWorkingDirectory(QDir::tempPath());
 226         process.setProcessChannelMode(QProcess::MergedChannels);
 227         process.setReadChannel(QProcess::StandardOutput);
 228
 229         //Try to start VSPIPE.EXE
 230         process.start(AVS_CHECK_BINARY(sysinfo, x64), QStringList());
 231         if(!process.waitForStarted())
 232         {
 233                 qWarning("Failed to launch AVS_CHECK.EXE -> %s", process.errorString().toUtf8().constData());
 234                 return false;
 235         }
 236
 237         //Wait for process to finish
 238         while(process.state() != QProcess::NotRunning)
 239         {
 240                 if(process.waitForReadyRead(12000))
 241                 {
 242                         while(process.canReadLine())
 243                         {
 244                                 output << QString::fromUtf8(process.readLine()).simplified();
 245                         }
 246                         continue;
 247                 }
 248                 if(process.state() != QProcess::NotRunning)
 249                 {
 250                         qWarning("AVS_CHECK.EXE process encountered a deadlock -> aborting now!");
 251                         break;
 252                 }
 253         }
 254
 255         //Make sure VSPIPE.EXE has terminated!
 256         process.waitForFinished(2500);
 257         if(process.state() != QProcess::NotRunning)
 258         {
 259                 qWarning("AVS_CHECK.EXE process still running, going to kill it!");
 260                 process.kill();
 261                 process.waitForFinished(-1);
 262         }
 263
 264         //Read pending lines
 265         while(process.canReadLine())
 266         {
 267                 output << QString::fromUtf8(process.readLine()).simplified();
 268         }
 269
 270         //Check exit code
 271         if(process.exitCode() != 0)
 272         {
 273                 qWarning("AVS_CHECK.EXE failed with code 0x%08X -> disable Avisynth support!", process.exitCode());
 274                 return false;
 275         }
 276
 277         //Init regular expressions
 278         QRegExp avsLogo("Avisynth\\s+Checker\\s+(x86|x64)");
 279         QRegExp avsPath("Avisynth_DLLPath=(.+)");
 280         QRegExp avsVers("Avisynth_Version=(\\d+)\\.(\\d+)");
 281
 282         //Check for version info
 283         bool avisynthLogo = false;
 284         quint32 avisynthVersion[2] = { 0, 0 };
 285         QString avisynthPath;
 286         for(QStringList::ConstIterator iter = output.constBegin(); iter != output.constEnd(); iter++)
 287         {
 288                 if(avisynthLogo)
 289                 {
 290                         if(avsPath.indexIn(*iter) >= 0)
 291                         {
 292                                 avisynthPath =  avsPath.cap(1).trimmed();
 293                         }
 294                         else if(avsVers.indexIn(*iter) >= 0)
 295                         {
 296                                 quint32 temp[2];
 297                                 if(MUtils::regexp_parse_uint32(avsVers, temp, 2))
 298                                 {
 299                                         avisynthVersion[0] = temp[0];
 300                                         avisynthVersion[1] = temp[1];
 301                                 }
 302                         }
 303                 }
 304                 else
 305                 {
 306                         if(avsLogo.lastIndexIn(*iter) >= 0)
 307                         {
 308                                 avisynthLogo = true;
 309                         }
 310                 }
 311         }
 312
 313         //Minimum required version found?
 314         if((avisynthVersion[0] >= 2) && (avisynthVersion[1] >= 50) && (!avisynthPath.isEmpty()))
 315         {
 316                 Wow64RedirectionDisabler disableWow64Redir;
 317                 path = new QFile(avisynthPath);
 318                 if(!path->open(QIODevice::ReadOnly))
 319                 {
 320                         MUTILS_DELETE(path);
 321                 }
 322
 323                 qDebug("Avisynth was detected successfully (current version: %u.%02u).", avisynthVersion[0], avisynthVersion[1]);
 324                 qDebug("Avisynth DLL path: %s", MUTILS_UTF8(avisynthPath));
 325                 return true;
 326         }
 327
 328         //Failed to determine version
 329         qWarning("Failed to determine Avisynth version!");
 330         return false;
 331 }