Snow is an experimental video codec developed by Michael Niedermayer for the FFmpeg package. It can compress video either lossily or losslessly. Snow implements wavelet-based compression, aiming for good image quality at very low bitrates. It is open source licensed under the LGPL.
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Comparison
Snow is similar to Tarkin, Dirac, and numerous other wavelet-using codecs. Technical details can be found in the snow.txt file included in the ffmpeg source package.
Programs Using Snow
The following open-source video editing programs can encode to Snow format:
