phpvideotoolkit-v2
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Incorrect use of PAR and SAR in MediaProbeParser.php
Seems that sample_aspect_ratio is referred to as pixel_aspect_ratio, instead it should be Storage Aspect Ratio.
http://en.wikipedia.org/wiki/Pixel_aspect_ratio
PAR can be calculated though from SAR/DAR apparently.
Hmm, i am not so sure now if its an error or just ffmpeg SAR essentially means PAR, ie wording error.