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Old 25th March 2020, 22:37   #221  |  Link
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Originally Posted by StainlessS View Post
Did you use Prefetch() when doing the AVI file saves ? [it ever happen without Prefetch ?]

(I'm guessin difference down to Prefetch, in some way, I've no idea hjow the multi-threading stufff works)

I did not use Prefetch.
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Old 25th March 2020, 22:42   #222  |  Link
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It could be the "randomness" introduced by the dithering algorithm. The same can be said for MCTD . Each run is not necessarily bit identical

AutoAdjust have a smoothing & dithering algorithm to avoid banding issue.
use_dither [default: true]
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Old 25th March 2020, 22:50   #223  |  Link
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Nice appraisal PDR, dither did not even cross my mind.
For RandomSource(), was suggested by IanB and another, that random frames should always be repeatable (perhaps repeatable only if some arg set),
perhaps AutoAdjust() is not random repeatable, or just defaults to non-repeatable if some arg is defaulted.

EDIT: Does not seem to be any control over dither (I assume use_dither is a bool. EDIT: Yes is bool, PDR says so above)
    AutoAdjust ( [clip], external_clip,
                 dark_limit, bright_limit, gamma_limit, 
                 dark_exclude, bright_exclude, 
                 gain_mode, chroma_process, avg_safety,
                 input_tv, output_tv,
                 chroma_limit, balance_str,
                 scd_threshold, temporal_radius, change_status,
                 use_interp, use_dither,
                 high_quality, high_bitdepth, 
                 threads_count, asm_opt,
                 debug_view )
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Last edited by StainlessS; 25th March 2020 at 22:58.
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