Åsa Persson 3f7e0ede1e Add option to make first scale factor depend on input resolution.
Scale factors are 3/4, 2/3, 3/4, 2/3, ...

Adds possibly to start with:
- 2/3 (if width/height multiple of 3)
- 2/3, 2/3 (if width/height multiple of 9)

Bug: none
Change-Id: Idbeddfec4baea893c240bbb897d01ac1cff3b435
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/157105
Commit-Queue: Åsa Persson <asapersson@webrtc.org>
Reviewed-by: Niels Moller <nisse@webrtc.org>
Reviewed-by: Sergey Silkin <ssilkin@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#29538}
2019-10-18 14:19:04 +00:00
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