A video code is a piece of software that's used to both compress and decompress a digital video. Therefore, a codec can be used to convert an uncompressed video into a compressed one, or it can be used to convert a compressed video to an uncompressed one. The compressed video format usually follows a standard specification called video compression specification or video coding format. In this sense, OpenCV provides FOURCC, which is a 4-byte code that's used to specify the video codec. FOURCC stands for four character code. The list of all available codes can be seen at http://www.fourcc.org/codecs.php. It should be taken into account that the supported codecs are platform-dependent. This means that ...
Considerations for writing a video file
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