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• FFMPEG .bat script not running

  22 août 2018, par MrGreen

  I’ve got a folder full of .avi video files. I want to change the container of each of those to .mp4 using a .bat script.
  This is the code :

  for i in "*.avi" do ffmpeg -i "$i" -c copy "outputs/${i%.avi}.mp4"; done

  But when i run the .bat cmd pops up for a split second and closes immediately. The folder for the output is there as well as the ffmpeg.exe.
  Whats wrong ?

• Batch script calling its own name instead of files of a certain type ?

  27 juin 2020, par R. Elias

  cd %cd%
ffmpeg -i %cd%/%04d.png out.mp4


  



  A script with just this in it works completely fine and outputs exactly what I need it to, but :

  



  :: A simple script to convert a png or jpg image sequence to an         
mp4 file with ffmpeg
cls
@echo off
title PNG2MP4
color C
echo Ensure you have ffmpeg installed and setup in your environment variables or this script won't work.


:QUERY
echo This will convert all image files in the following directory to a single mp4, 
echo %cd%
echo are the files PNGs or JPEGs(PNG/P/JPG/J/CANCEL)?
set/p "ch=>"
if /I %ch%==PNG goto CONVERTPNG
if /I %ch%==P goto CONVERTPNG
if /I %ch%==JPG goto CONVERTJPG
if /I %ch%==J goto CONVERTJPG
if /I %ch%==CANCEL goto :eof
echo Invalid choice & goto QUERY

:CONVERTPNG
cd %cd%
ffmpeg -i %cd%/%04d.png out.mp4

:CONVERTJPG
cd %cd%
ffmpeg -i %cd%/%04d.jpg out.mp4


  



  This more complex version of the script fails, outputting :

  



  C:\tmp/img2mp4.bat4d.jpg: No such file or directory


  



  Why is it no longer calling the files that it did before and is there an easy fix for this ?

  


• Recursively running ffmpeg concat script in bash across multiple folders

  15 août 2022, par Sam Feldman

  I wrote a bash script that concatenates all video files in a folder using ffmpeg. I would like to be able to run this script recursively on multiple folders. My problem has been that I am unable to change into the directory of every new folder to run the script. This is required for my script to work. Does anyone know what I could accomplish this ?

  


      #!/bin/bash

for f in *; do echo "file '$f'" >> files.txt; done
for f in *; do echo "'$f'" >> filesdelete.txt; done
ffmpeg -f concat -safe 0 -i files.txt -c copy "${PWD##*/}".MP4
xargs -I{} rm -r "{}" < filesdelete.txt
rm files.txt
rm filesdelete.txt


  


  I start with the file structure below. The script runs in each subdirectory (dir1, dir2, dir3) and combines the files in each subdirectory into one video. For the script to run, it needs to cd into each directory.

  


  root
├── dir1
│   ├── video1.mp4
│   ├── video2.mp4
│   └── video3.mp4
├── dir2
│   ├── video1.mp4
│   └── video2.mp4
└── dir3
    ├── video1.mp4
    └── video2.mp4


  


  The end result should look like the structure below.

  


  root
├── dir1
│   └── concat.mp4
├── dir2
│   └── concat.mp4
└── dir3
    └── concat.mp4