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• I want the mp4 file shooting date to be the xml file name

  21 novembre 2019, par re6

  In Windows 10 environment, I would like to change the name of both “file with extension mp4” and “file with extension xml” to the shooting date of mp4 file.

  C0001.MP4
  
  C0001M01.XML
  
  C0002.MP4
  
  C0002M01.XML

  Specifically, I want to change the file name as follows.

  2019-10-23_13-10-32.MP4
  
  2019-10-23_13-10-32.XML
  
  2019-10-23_13-10-49.MP4
  
  2019-10-23_13-10-49.XML

  ---

  I tried to think that using the ext option would give me the expected result, but I didn’t get the expected result.

  First time

  C:\Users\user>exiftool "-FileNamehoge/C0001M01.XML
  
  Warning: No writable tags set from C:/hoge/C0001M01.XML
  
  Warning: [minor] Error 3 placing ::NonRealTimeMetaAudioFormatAudioRecPortTrackDst in structure or list - C:/hoge/C0002M01.XML
  
  Warning: No writable tags set from C:/hoge/C0002M01.XML
  
      1 directories scanned
  
      0 image files updated
  
      2 image files unchanged

  Second time

  C:\Users\user>exiftool "-FileNamehoge/C0001.MP4
  
  Warning: [minor] Error 3 placing ::NonRealTimeMetaLtcChangeTableLtcChangeStatus in structure or list - C:/hoge/C0001M01.XML
  
  Warning: No writable tags set from C:/hoge/C0001M01.XML
  
  Warning: [minor] The ExtractEmbedded option may find more tags in the movie data - C:/hoge/C0002.MP4
  
  Warning: [minor] Error 3 placing ::NonRealTimeMetaAudioFormatAudioRecPortPort in structure or list - C:/hoge/C0002M01.XML
  
  Warning: No writable tags set from C:/hoge/C0002M01.XML
  
      1 directories scanned
  
      2 image files updated
  
      2 image files unchanged

• How to run a command in python with file paths containing spaces ?

  24 juillet 2023, par tomatochan

  I'm developing a program in Python that requires the use of FFMPEG. In one step, I need to create a video from a text file containing the list of images (path and duration) that need to be assembled to make a video. To do this, I use the following code :

  


  cmd = [ffmpeg, "-y", "-f", "concat", "-safe", "0", "-i", tmp, "-c:v", "libx264", "-r", "25", "-pix_fmt", "yuv420p", out]
subprocess.run(cmd)
# os.system(" ".join(cmd)) # returns same error


  


  What returns the error : The syntax of the file, directory or volume name is incorrect.

  


  I know that paths can be problematic when they contain spaces, and as my username has one, I've taken care to quote the paths in such a way that :

  


  ffmpeg = '"C:\Users\John Doe\Documents\ffmpeg\bin\ffmpeg.exe"'
tmp = '"C:\Users\John Doe\Desktop\path\to\file.txt"'
out = '"C:\Users\John Doe\Desktop\path\to\video.mp4"'


  


  When I print(" ".join(cmd)), this is what I get in my terminal :

  


  "C:\Users\John Doe\Documentsffmpeg\binffmpeg.exe" -y -f concat -safe 0 -i "C:\Users\John Doe\Desktop\path\to\file.txt" -c:v libx264 -r 25 -pix_fmt yuv420p "C:\Users\John Doe\Desktop\path\to\video.mp4"


  


  However, the problem persists.
Has anyone ever had this problem and managed to solve it ?

  


  I've also tried the method where you have to escape the spaces (taking care to replace the \ with / and then the with \ ) but nothing works... The error persists.

  


  For your information, here are the contents of one of my .txt files

  


  file C:\Users\John Doe\Desktop\path\to\image_1.png
duration 0.04
file C:\Users\John Doe\Desktop\path\to\image_2.png
duration 0.04
file C:\Users\John Doe\Desktop\path\toimage_3.png
duration 0.04


  


  When I quote the paths in the .txt files

  


  

  • subprocess gives me the error :
PermissionError: [WinError 5] Access denied

  


  • os.system gives me the error :

  


  


  C:\Users\John' is not recognized as an internal or external command, an executable program or a command file.
The syntax of the file, directory or volume name is incorrect.


  


• Revision 970eb39bdc : Cleaning up read_skip_coeff() function. Making code easier to read and avoiding

  31 octobre 2013, par Dmitry Kovalev

  Changed Paths :
   Modify /vp9/decoder/vp9_decodemv.c

  
  
  Cleaning up read_skip_coeff() function.

  Making code easier to read and avoiding calculation of skip context twice.

  Change-Id : I42c376b1a1811bc842bf6420bf81d2de7a1bf980