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• FFMPEG Error Handling Not Working

  23 mars 2017, par Waverunner

  I’m fairly new to batch files and trying to create a Windows script that automatically converts all files in the extensions list I provide to MP4 and log the successes and failures. The problem I’m running into is that some of the videos are failing with zero byte outputs and even though there’s two levels of error handling so the originals don’t get deleted, they aren’t working and the originals get deleted regardless if the conversions succeed or not.

  The two protections are :

  (1) FFMPEG - abort_on empty_output option

  (2) IF/ELSE loop that checks for zero-size files

  Any ideas for better error handling would be appreciated.

  :: Name:     MKV2MP4.cmd
  
  :: Purpose:  Automatically converts non-MP4 video files to MP4 either by stream copy or by reencoding.
  
  :: Revision: March 2017 - Initial version
  
  
  
  :: Variables
  
  :: %%L = List of Extensions
  
  :: %%F = Files to be converted
  
  :: %%N = New file
  
  
  
  @echo OFF
  
  CLS
  
  setlocal
  
  echo This script automatically converts non-MP4 video files to MP4 either by stream copy or by reencoding.
  
  echo.
  
  echo Changing to data directory...
  
  Z:
  
  cd Z:\Users\Todd\
  
  echo.
  
  
  
  FOR /F "delims=*" %%L IN (Z:\Logs\Extensions.txt) DO (
  
  echo Collecting %%L files...
  
  dir /b /s *.%%L > Z:\Logs\%%L.txt
  
  )
  
  echo.
  
  echo File collection complete.
  
  echo.
  
  
  
  FOR /F "delims=*" %%L in (Z:\Logs\Extensions.txt) DO (
  
  echo Working on %%L files...
  
  echo.
  
  
  
  FOR /F "delims=*" %%F in (Z:\Logs\%%L.txt) DO (
  
  echo Converting "%%F"
  
  echo.
  
  ffmpeg.exe -y -i "%%F" -abort_on empty_output -aspect 16:9 -c:v copy -c:a copy "%%~dpnF.mp4" || ffmpeg.exe -y -i "%%F" -abort_on empty_output -aspect 16:9 -c:v libx265 -c:a copy "%%~dpnF.mp4"
  
  echo.
  
  set N="%%~dpnF.mp4"
  
  
  
  IF %%~zN==0 (
  
  echo Conversion failed!  Skipping file.
  
  echo Adding log entry...
  
  echo %time% - Failed - "%%F" >> "Z:\Logs\%date:~-4,4%%date:~-10,2%%date:~-7,2% - %%L.txt"
  
  ) ELSE (
  
  echo Conversion successful!  Deleting old file.
  
  echo Deleting "%%F"
  
  del "%%F" /F
  
  echo Adding log entry...
  
  echo %time% - Successful - "%%F" >> "Z:\Logs\%date:~-4,4%%date:~-10,2%%date:~-7,2% - %%L.txt"   
  
  )
  
  
  
  echo.
  
  )
  
  
  
  echo %%L files completed.
  
  echo. Cleaning up...
  
  del %%L /F /S
  
  )
  
  
  
  echo Job completed.  Exiting..

• Merge commit ’5cc0057f4910c8c72421b812c8f337ef6c43696c’

  23 mars 2017, par Clément Bœsch

  Merge commit ’5cc0057f4910c8c72421b812c8f337ef6c43696c’
  * commit ’5cc0057f4910c8c72421b812c8f337ef6c43696c’ :
  
    lavu : remove the custom atomic API
  This commit is a noop. The removal is postponed until all usages in
  
  FFmpeg are dropped as well. A patchset is on discussion on the
  
  mailing-list :
  
  http://ffmpeg.org/pipermail/ffmpeg-devel/2017-March/209003.html
  Merged-by : Clément Bœsch <u@pkh.me>
  

  • [DH] doc/libav-merge.txt

• How to turn an AppleScript path into a posix path and pass to shell script ?

  18 mars 2017, par Björn

  I´m trying to create a textfile that my ffmpeg-command can use to merge two videofiles. The problem I´m having is getting my folder/file-paths to look like I want. The two lines that cause my problems are :

  set theFile to path to replay_folder & "ls.txt"

  I simply want this path to be the path of replay_folder and ls.txt

  In the shell script line I want the same thing.

  do shell script "cd " & replay_folder & "
   /usr/local/bin/ffmpeg -f concat -i ls.txt -c copy merged.mov"

  I get this path with the shell script Macintosh HD:Users:BjornFroberg:Documents:wirecast:Replay-2017-03-17-12_11-1489749062:

  But I want this /Users/BjornFroberg/Documents/wirecast/Replay-2017-03-17-12_11-1489749062/

  The full code is :

  tell application "Finder"
  
  set sorted_list to sort folders of folder ("Macintosh HD:Users:bjornfroberg:documents:wirecast:") by creation date
  
  set replay_folder to item -1 of sorted_list
  
  set replay_files to sort items of replay_folder by creation date
  
  end tell
  
  
  
  set nr4 to "file '" & name of item -4 of replay_files & "'"
  
  set nr3 to "file '" & name of item -3 of replay_files & "'"
  
  
  
  set theText to nr4 & return & nr3
  
  
  
  set overwriteExistingContent to true
  
  
  
  set theFile to path to replay_folder & "ls.txt" --actual path is: POSIX file "/Users/BjornFroberg/Documents/wirecast/Replay-2017-03-17-12_11-1489749062/ls.txt"
  
  
  
  set theOpenedFile to open for access file theFile with write permission
  
  
  
  if overwriteExistingContent is true then set eof of theOpenedFile to 0
  
  
  
  write theText to theOpenedFile starting at eof
  
  
  
  close access theOpenedFile
  
  
  
  do shell script "cd " & replay_folder & "
  
  /usr/local/bin/ffmpeg -f concat -i ls.txt -c copy merged.mov"

  Any help is appreciated :)