seamonkey420

:: Can be integrated into explorer shell
:: and right click menus too
:: seamonkey420
:: Requirements: copy ffmpeg to c:\windows\system32
:: env variables needed to parse spaces in file paths!
:: pick one of the below sets of code, top replaces all audio with an ac3 one
:: bottom adds an ac3 stream and retains everything else, video, subs, audio.

setlocal EnableExtensions DisableDelayedExpansion

seamonkey420

#1. Install RPi.GPIO. Open up Putty and run these commands:
sudo su
apt-get update
apt-get install python-pip python-dev gcc
apt-get install python-setuptools
pip install rpi.gpio

#1a. Enable root to make things easier, you can disable afterwards, type and then enter a root password:
sudo passwd

jamesmacwhite

Converting mkv to mp4 with ffmpeg

Essentially just copy the existing video and audio stream as is into a new container, no funny business!

The easiest way to "convert" MKV to MP4, is to copy the existing video and audio streams and place them into a new container. This avoids any encoding task and hence no quality will be lost, it is also a fairly quick process and requires very little CPU power. The main factor is disk read/write speed.

With ffmpeg this can be achieved with -c copy. Older examples may use -vcodec copy -acodec copy which does the same thing.

These examples assume ffmpeg is in your PATH. If not just substitute with the full path to your ffmpeg binary.

Single file conversion example