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• ffmpeg : how can i hstack 2 videos and display a watermark outside the video area

  27 février 2020, par Cédric Kamermans

  I’m new to using ffmpeg and I want to combine two 1920x1080 videos using hstack. The output video also needs to be 1920x1080. At the same time I want to display a watermark at the bottom of the screen (outside the video area) and one in the top middle of the screen.

  So far i managed to make an hstack with padding but the watermark won’t display outside the video area.

  Here is my first attempt :

  ffmpeg -y -i input1.mp4 -i input2.mp4 -i watermark1.png -filter_complex "[0]pad=iw+5:color=black[left];[left][1]hstack=inputs=2","overlay=x=(main_w-overlay_w)*0.95:y=(main_h-overlay_h)*0.95","scale=w=1920:h=1080" Output.mp4

  Here is a comparison of what i get and what i want :

  wrong output desired output

  Any help regarding my problem would be very much appreciated !

• %a and %%a suddenly don't work in Win 10 cmd and batch file respectively ?

  14 janvier 2017, par cobaltB12

  I was trying to batch convert a folder of .flac to .mp3 using FFMPEG, but when i ran my batch file I got the "%F is unexpected at this time" error, even though i used "%%F" in the batch file. To test what was really the problem, i proceeded to type variations of %F into cmd directly, but could not get it to work either. Did something change in windows 10 regarding the use of variable names in the for loop ?

  cmd commands I tried :

  C:\Users\yt\Music\Joe Hisaishi (Classical Guitar) - Copy>for "%F" in     (*.flac) echo %F
  
  "%F" was unexpected at this time.
  
  
  
  C:\Users\yt\Music\Joe Hisaishi (Classical Guitar) - Copy>for %F in     (*.flac) echo %F
  
  echo was unexpected at this time.
  
  
  
  C:\Users\yt\Music\Joe Hisaishi (Classical Guitar) - Copy>for "%%F" in     (*.flac) echo %%F
  
  "%%F" was unexpected at this time.
  
  
  
  C:\Users\yt\Music\Joe Hisaishi (Classical Guitar) - Copy>for "%f" in     (*.flac) echo %f
  
  "%f" was unexpected at this time.
  
  
  
  C:\Users\yt\Music\Joe Hisaishi (Classical Guitar) - Copy>for "%g" in     (*.flac) echo %g
  
  "%g" was unexpected at this time.
  
  
  
  C:\Users\yt\Music\Joe Hisaishi (Classical Guitar) - Copy>for "%g" in     ("*.*") echo %g
  
  "%g" was unexpected at this time.
  
  
  
  C:\Users\yt\Music\Joe Hisaishi (Classical Guitar) - Copy>for "%g" in     ("*.*") do echo %g
  
  "%g" was unexpected at this time.

  original batch file for FFMPEG

  cd "\Users\yt\Music\Joe Hisaishi (Classical Guitar) - Copy"
  
  echo in directory "%cd%"
  
  pause
  
  for "%%F" in ("*.flac") do (
  
  echo converting "%%F"
  
  "C:\Users\yt\Downloads\OtherApps\FFMPEG\bin\ffmpeg.exe" -i "%%F"     -codec:a libmp3lame -qscale:a 2 "%%~nF.mp3"
  
  echo del "%%F"
  
  )
  
  cd "%~dp0"

• str_replace %% na File Name In Batch File [closed]

  11 août 2024, par Harinder

  I want to replace the current file name inside a batch file

  


  for %%a in ("*.mp4") do  ffmpeg -i "%%~a" -vf "drawtext=text=%%~na:fontfile='C\:\\Users\\harin\\Desktop\\test\\Fonts\\Glamy Sunrise.ttf':fontcolor=black:fontsize=54:x=20:y=50" -b:v 1M -r 60 -b:a 144k  -crf 17 "C:\Users\harin\Desktop\test\in\Working\1\%%~na.mp4"


  


  Need to replace drawtext=text=%%~na with some thing like this drawtext=text=str_replace(array('-','_'),array(' ',''),%%~na)

  


  how can i do this... thx