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• PHP exec or shell_exec not returning process id (PID) on Windows Wamp

  17 mai 2013, par HoplaYann

  I am on windows 7, using a WampServer, and trying to use FFMPEG.

  The encoding works, but I can't get a process id back from either the exec()
  method nor the shell_exec() methods.

  This is my code :

  $cmd = C:\ffmpeg\bin\ffmpeg.exe -i "C:\...\4ch.wav"  -ar 44100 -ab 48000 -f mp3 -y "C:\...\enc_4ch.mp3"

  This what I was trying to do with shell_exec :

  shell_exec("nohup $cmd > /dev/null & echo $!");

  And with exec :

  exec("nohup " . $this->_command . " > /dev/null 2>/dev/null &") ; // returns null
  
  exec("nohup " . $this->_command . " > /dev/null 2>&1 &"); // also returns null 

  Please let me know what I do wrong, as I'd like later to use the following method to check if my process is still running :

  private function is_process_running($proccess_id) 
  
      { 
  
          exec("ps $proccess_id", $process_state);
  
          return (count($process_state) >= 2);
  
      }

  thank you in advace

• configure : msvc : Set the target windows version to XP if no target is set

  15 mai 2013, par Martin Storsjö

  configure : msvc : Set the target windows version to XP if no target is set
  MSVC 2010 (or more precisely, Windows SDK 7.0 which comes with MSVC
  
  2010) sets _WIN32_WINNT to the constant for Windows 7 if nothing is
  
  set. This could lead to the libav configure script detecting and
  
  using functions only present in Windows 7 or newer, which in most
  
  cases isn’t desired. If the caller explicitly wants this, the caller
  
  can add the _WIN32_WINNT define via —extra-cflags, setting the desired
  
  version.
  Signed-off-by : Martin Storsjö <martin@martin.st>
  

  • [DBH] configure

• x86inc : Utilize the shadow space on 64-bit Windows

  11 mai 2013, par Henrik Gramner

  x86inc : Utilize the shadow space on 64-bit Windows
  Store XMM6 and XMM7 in the shadow space in functions that clobbers them.
  
  This way we don’t have to adjust the stack pointer as often,
  
  reducing the number of instructions as well as code size.
  

  • [DH] common/x86/deblock-a.asm
  • [DH] common/x86/mc-a.asm
  • [DH] common/x86/pixel-a.asm
  • [DH] common/x86/sad-a.asm
  • [DH] common/x86/x86inc.asm
  • [DH] tools/checkasm-a.asm