Trimming mp4 Files Without Re-encoding Using FFmpe.Combining mp4 Files Without Re-encoding Using FFmp.The name of the new mp4 file in the example above is output.mp4. MP4 Merger Windows version can merge MP4 files on Windows 10, Windows 8, Windows 7, Windows XP, Windows Vista, and Windows 2000. The following command can be used to merge the files listed in the text file from the step above into a single mp4 output file without re-encoding the files:įfmpeg -f concat -i input.txt -c copy output.mp4 MP4 Joiner Mac version can join MP4 files on macOS Sierra, Mac OS X El Capitan, Yosemite, Mavericks, Mountain Lion, Lion, Snow Leopard, Leopard and Tiger. For this example I called the file input.txt. Using the text editor of your choice, create a text file that contains the list of mp4 files you want to combine. To install FFmpeg ( ) on Ubuntu open the Ubuntu command line and enter the following: Instructions for doing this can be found at. If it is not already installed, you will need to install the Windows Subsystem for Linux.
Being able to do this without re-encoding makes the process much quicker and does not result in image degradation. I recently used FFmpeg installed on the Windows Subsystem for Linux on my Windows 10 machine to combine some mp4 video files without re-encoding the files.
