![]() It is free open source software and released under the GNU General Public License (GPL). It supports almost any video and audio type (not perfectly unfortunately) and is built on top of the FFmpeg libraries. GUI (Graphical User Interface) Methods: Avidemux:Īvidemux is a versatile in-line video editor and its primary functions are joining, muxing, and encoding. Codec, bitrate, frequency, and channel count should all be taken into account. A few common color spaces are RGB, YUV4:4:4, YUV4:2:2, and YUV4:2:0.Īudio Format and Encoding: The audio will be a factor as well. Some codecs support many different color spaces while others only a few or maybe even one. I didn’t realize until recently just how many different color spaces are available for video encoding. Pixel Format / Color Space: This one has been a real pain for me. If the trailing videos do not use the same it will likely result in them looking “stretched” or “squeezed”.īitrate: Videos using different bitrates may end up corrupted. Resolution: All video files must have the same width and height.Īspect Ratio: Most programs will use the aspect ratio of the initial video unless otherwise specified. It may be possible to change the framerate of all files without re-encoding with some programs. ![]() Scan Type: Progressive, top frame first interlacement, and bottom frame first interlacement are not compatible with each other and will guarantee frame corruption.įramerate: The speed at which frames are displayed during playback must match. Some things that will cause video incompatibility: Because the video is not being re-encoded the result will be corrupted or joining will fail altogether. Important Note: All files being joined must have been encoded using the same method. Each video type is different and not every method works well for them. In this tutorial I will demonstrate some of the different free/open source software methods that I prefer to use when joining various video types. ![]() Two of the most common issues that I have faced with joining video is audio sync and frame corruption problems. It is preferable to use this method when re-encoding is not necessary as it is much faster and there is no quality/data loss. In dealing with digital video, concatenating or joining generally refers to taking multiple files and placing them together sequentially in a single container (e.g.avi. *!!!* This tutorial is a work in progress *!!!* ![]()
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