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• Create Shell Script for Mac that is the same as my BAT file

  8 avril 2017, par Les Hornery

  I have written a batch file to add two images as watermarks onto each video within a directory, now I need that converted to a shell script so I can run it on a Mac.

  @echo off
  
  for %%a in ("*.MP4") do ffmpeg -i "%%a" -i ../soccer5s.png -i ../vpa.png -filter_complex "overlay=10:10,overlay=main_w-overlay_w-10:10" "%%~na-marked.mp4"
  
  pause

• Error using avisynth script as input to ffmpeg

  5 avril 2015, par ComputerVisioner

  I’ve searched the internet and haven’t found a solution. I hope this question does not come off as a duplicate.

  I have the following files in the same folder :

  • ffmpeg.exe (32-bit version)
  • IN.mp4 (video codec - AVC , audio codec - PCM)
  • RUN_FILE.bat and RUN_AVS.bat batch files
  • SCRIPT.avs (avisynth script file)
  • MSharpen.dll (sharpening filter for avisynth)

  The text within RUN_FILE.bat :

  ffmpeg -i "IN.mp4" -c:v libx264 -crf 24 -c:a libmp3lame -aq 2 OUT.mp4

  The text within RUN_AVS.bat :

  ffmpeg -i "SCRIPT.avs" -c:v libx264 -crf 24 -c:a libmp3lame -aq 2 OUT.mp4

  The text within SCRIPT.avs (3 lines) :

  LoadPlugin("D:\MSharpen.dll")
  
  
  
  DirectShowSource("D:\IN.MP4")
  
  
  
  MSharpen(15,150) 

  If I try loading the avisynth script with an external program such as media player classic it works fine (and sharpens the video frames).

  Going to the command line and running RUN_FILE.bat works as expected, however running RUN_AVS.bat I get the following error (see screenshot) :

  

  I find this confusing as ffmpeg is configured with --enable-avisynth.

  I’d appreciate help with this - This is part of a larger and very important project (automatically scanning a folder with hundreds of video files, sharpening and re-encoding them to another folder with the same filenames).

• AviSynth script with subtitles errors

  29 avril 2017, par Corpuscular

  Win7

  FFmpeg version : 20170223-dcd3418 win32 shared

  AVISynth version : 2.6

  Calling ffmpeg in a Visual Studio 2015 C# Forms Application and using process.StartInfo.Arguments to pass arguments and read an avs script. Works fine.

  The avs script :

  LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins\VSFilter.dll")
  
  
  
  a=ImageSource("01.png").trim(1,24)
  
  b=ImageSource("02.png").trim(1,36)
  
  c=ImageSource("03.png").trim(1,40)
  
  d=ImageSource("04.png").trim(1,72)
  
  e=ImageSource("05.png").trim(1,36)
  
  f=ImageSource("06.png").trim(1,40)
  
  video =  a + b + c + d + e + f
  
  
  
  return video

  I’d like to add subtitles using the avs script but it is not working. Adding the subtitle argument immediately before the "return video" argument results in :

  subtitle("day 111", align=2, first_frame=0, halo_color=$00FF00FF, text_color=$0000FF00, size=36, last_frame=100)

  Result error : [avisynth @ 003cdf20] Script error : Invalid arguments to function "subtitle"

  Using video.subtitle results in :

  video.subtitle("day 111", align=2, first_frame=0, halo_color=$00FF00FF, text_color=$0000FF00, size=36, last_frame=100)

  No error, script completes but no subtitle on output video.

  Using subtitle(clip) results in :

  subtitle(video, "day 111", align=2, first_frame=0, halo_color=$00FF00FF, text_color=$0000FF00, size=36, last_frame=100)

  The script exits abnormally but there is no error message.

  Any guidance would be greatly appreciated. Please let me know if I can clarify anything.