This is a reland of e307d56bd7
options.yuv_directory would be unset if vmaf was not used.
It now gets set to None.
Also adds a try-finally around the temp directory for YUV files.
Original change's description:
> Add option to call VMAF in compare_videos.py.
>
> VMAF compares videos on several metrics and produces a unified score.
>
> Calling it from compare_videos required passing in a path to a VMAF
> executable and a model.
>
> VMAF needs to compare aligned videos in YUV format, so two videos
> (ref and test) will be saved by frame_analyzer after it has aligned
> them.
>
> Bug: webrtc:9642
> Change-Id: Idddfcf6b1b235e7f925696ffc38938fb84c4ff9e
> Reviewed-on: https://webrtc-review.googlesource.com/102140
> Reviewed-by: Patrik Höglund <phoglund@webrtc.org>
> Reviewed-by: Sami Kalliomäki <sakal@webrtc.org>
> Commit-Queue: Paulina Hensman <phensman@webrtc.org>
> Cr-Commit-Position: refs/heads/master@{#24876}
Bug: webrtc:9642
Change-Id: I1d04a56090e68df47dc3e6b7e710384244470d0c
TBR: phoglund
Reviewed-on: https://webrtc-review.googlesource.com/102544
Commit-Queue: Paulina Hensman <phensman@webrtc.org>
Reviewed-by: Sami Kalliomäki <sakal@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#24896}
12c62b922b