

I haven't used Avidemux, so I'm not familiar with it tools. All transitions are available on this new window and they can be applied directly with direct click. You simply need to select filter option and then go to newly opened window.
AVIDEMUX MERGE VIDEO HOW TO
If just the height is different, you could pad it out with a border. How to add video transitions to videos in Avidemux Video transitions can be added in similar manner as that of video filters. Avidemux is a free video editor designed for simple cutting, filtering and encoding tasks.

Repeat this steps until all files are in place.
AVIDEMUX MERGE VIDEO MP4
Make sure Video output is set to Copy Audio output is set to Copy Output format is set to MP4 Muxer Click on File Append (or Ctrl+A) to append a second video at the end of the timeline. Most programs will require the videos to be joined to have the same format, framerate, sizes and attributes, and it's also the same with the audio, if you are adding that in. Open up Avidemux, and load the video file that you want to work with. Cropping and adding borders is available with filtering. Then you can concatenate, or combine or join the videos together. Re-sizing and re-encoding will also create some quality loss. It also supports the command-line feature for batch operations. It supports many file types, including AVI, DVD compatible MPEG files, MP4, and ASF, using various codecs. You would also need to keep the same aspect ratio, the width vs the height. Merge videos using Avidemux Avidemux is a free video editor designed for simple cutting, filtering, and encoding tasks.

Adding a border will 'pad' out the video to a larger size to match the other videos, also requiring re-encoding. Same with cropping to reduce the size to the same as the other video. The 64Bit version seems a little buggy, but the 32bit version seems to run a little better. Avidemux is free and available for Linux, Windows and Mac. Xvid doesn't seem to have these restrictions. Avidemux lets me merge and cut clips so i can turn what is two 5 min clips with something interesting in them into one 3 min clip of just the footage. Divx needs widths in a multiple of 4 and heights in multiple of 2. Some forms of AVI have restrictions on demensions because of the codec used.
