Update impossible SAR spec
Again complexity no longer an issue
Cannot replicate any crashes related to ISO-8859-1

Because I cannot replicate any crashes related to ISO-8859-1 charachters
in the outputs. I am removing these tests.
Provide FFMPEG::Movie#audio_channels from ffprobe
Refactor unsupported audio codec for ffprobe
FFMPEG::MOVIE#frame_rate is now a Rational number
Updated audio for ffprobe
more cleaning
More cleaning
Handle rotated videos from ffprobe
ffprobe handle no audio stream
Handle empty movie from ffprobe
Handle weird DAR from ffprobe
Handle irrational FFMPEG::Movie#frame_rate
Different units kb/s to bit/s