FileGetSize() problem

[lIlIIlIllIIIIlI]

I have a camera recording video via ffmpeg, but the video's file size doesn't seem to update when periodically checked via FileGetSize($path). It does update when I manually right click > property and check the file size, or when I reopen the folder containing the video and interact with it in some way. It's like windows isn't actually check when autoit asks, but it does check it when I manually inspect it... if that makes sense?

Do you have to somehow modify the file or trick windows into re-checking the file, before calling FileGetSize()?

Edit: To be more clear, a video file that is periodically written to by ffmpeg, which should be increasing in file size, does not display any increase in file size when checked with autoit. But checking manually in windows I can see the file size increasing.

Edited February 20 by lIlIIlIllIIIIlI
rewording

[InnI]

Try to update file before get size

FileClose(FileOpen($path))
$Size = FileGetSize($path)

[Werty]

7 hours ago, lIlIIlIllIIIIlI said:

FileGetSize()

Try with _WinAPI_GetFileSizeEx(), maybe there's a difference.

[Nine]

Try this code :

ConsoleWrite(GetSize(@ScriptDir, "Relax.mp4") & @CRLF)

Func GetSize($sDir, $sFile)
  Local $oShellApp = ObjCreate("shell.application")
  Local $oDir = $oShellApp.NameSpace($sDir)
  Local $oFile = $oDir.Parsename($sFile)
  Return $oFile.size
EndFunc

or simply :

ConsoleWrite(GetSize(@ScriptDir, "Relax.mp4") & @CRLF)

Func GetSize($sDir, $sFile)
  Local $oShellApp = ObjCreate("shell.application")
  Return $oShellApp.NameSpace($sDir).Parsename($sFile).size
EndFunc

 

Edited February 20 by Nine

[InnI]

Script1 (add data to file)

$b = DllStructGetData(DllStructCreate("byte[1024]"), 1)
$f = FileOpen("test.txt", 2 + 16)
For $i = 0 To 99
  Sleep(500)
  FileWrite($f, $b)
Next
FileClose($f)

Run this script during script execution Script1 (file size does not change without open/close file)

$path = "test.txt"
For $i = 0 To 99
  Sleep(500)
  ; FileClose(FileOpen($path))
  ConsoleWrite(FileGetSize($path) & ":" & GetSize(@ScriptDir, "test.txt") & @CRLF)
Next

Func GetSize($sDir, $sFile)
  Local $oShellApp = ObjCreate("shell.application")
  Local $oDir = $oShellApp.NameSpace($sDir)
  Local $oFile = $oDir.Parsename($sFile)
  Return $oFile.size
EndFunc

[Nine]

2 hours ago, InnI said:

file size does not change without open/close file

You are right.  I tested on a nvidia recorder and it does not change unless you access the file.
FileClose(FileOpen("file")) does make it work.

Edited February 20 by Nine

[lIlIIlIllIIIIlI]

I did some reading and apparently file size metadata does not typically update from video recording software, until it is finished recording. Opening and closing the file prior seems to work just fine though, thanks!