xbmcVideoLibraryScan.cpp

/*
 *      Copyright (C) 2005-2008 Team XBMC
 *      http://www.xbmc.org
 *
 *  This Program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2, or (at your option)
 *  any later version.
 *
 *  This Program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with XBMC; see the file COPYING.  If not, write to
 *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
 *  http://www.gnu.org/copyleft/gpl.html
 *
 */

#include "system.h"
#include "settings/AppParamParser.h"
#include "settings/AdvancedSettings.h"
#include "GUIInfoManager.h"
#include "FileItem.h"
#include "Application.h"
#include "PlayListPlayer.h"
#include "utils/log.h"
#include "xbmc.h"
#ifdef _LINUX
#include <sys/resource.h>
#include <signal.h>
#endif
#if defined(TARGET_DARWIN_OSX)
  #include "Util.h"
  // SDL redefines main as SDL_main
  #ifdef HAS_SDL
    #include <SDL/SDL.h>
  #endif
#endif
#ifdef HAS_LIRC
#include "input/linux/LIRC.h"
#endif
#include "XbmcContext.h"

int main(int argc, char* argv[])
{
  BYTE processExceptionCount = 0;

  const BYTE MAX_EXCEPTION_COUNT = 10;

  // set up some xbmc specific relationships
  XBMC::Context context;

  //this can't be set from CAdvancedSettings::Initialize() because it will overwrite
  //the loglevel set with the --debug flag
  g_advancedSettings.m_logLevel     = LOG_LEVEL_NORMAL;
  g_advancedSettings.m_logLevelHint = LOG_LEVEL_NORMAL;
  CLog::SetLogLevel(g_advancedSettings.m_logLevel);

  CLog::Log(LOGNOTICE, "Starting Video Library Scan..." );

  printf("XBMC Media Center %s\n", g_infoManager.GetVersion().c_str());
  printf("Copyright (C) 2005-2011 Team XBMC - http://www.xbmc.org\n\n");
  printf("Starting Video Library Scan\n\n");

#ifdef _LINUX
  // Prevent child processes from becoming zombies on exit if not waited upon. See also Util::Command
  struct sigaction sa;
  memset(&sa, 0, sizeof(sa));

  sa.sa_flags = SA_NOCLDWAIT;
  sa.sa_handler = SIG_IGN;
  sigaction(SIGCHLD, &sa, NULL);
#endif
  setlocale(LC_NUMERIC, "C");
  g_advancedSettings.Initialize();

  if (!g_advancedSettings.Initialized())
    g_advancedSettings.Initialize();

  if (!g_application.Create())
  {
    fprintf(stderr, "ERROR: Unable to create application. Exiting\n");
    return -1;
  }
  if (!g_application.Initialize())
  {
    fprintf(stderr, "ERROR: Unable to Initialize. Exiting\n");
    return -1;
  }

  // Start scanning the Video Library for changes...
  g_application.StartVideoScan("");

  // Run xbmc
  while (g_application.IsVideoScanning() && !g_application.m_bStop)
  {
    //-----------------------------------------
    // Animate and render a frame
    //-----------------------------------------
    try
    {
      g_application.Process();
      //reset exception count
      processExceptionCount = 0;

    }
    catch (...)
    {
      CLog::Log(LOGERROR, "exception in CApplication::Process()");
      processExceptionCount++;
      //MAX_EXCEPTION_COUNT exceptions in a row? -> bail out
      if (processExceptionCount > MAX_EXCEPTION_COUNT)
      {
        CLog::Log(LOGERROR, "CApplication::Process(), too many exceptions");
        throw;
      }
    }

    // Sleep for a little bit so we don't hog the CPU...
    Sleep(50);
    printf(".");

  } // while (g_application.IsVideoScanning() && !g_application.m_bStop)

  if (!g_application.m_bStop)
    g_application.getApplicationMessenger().Quit();

  g_application.Destroy();

  printf("\n\nFinished Video Library Scan...\n");

  CLog::Log(LOGNOTICE, "Finished Video Library Scan..." );
  return g_application.m_ExitCode;
}