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Main Screen VBR file size estimate is off - DoVi/HDR10(+) #1254

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noblemd00 opened this issue Feb 29, 2024 · 2 comments
Closed

Main Screen VBR file size estimate is off - DoVi/HDR10(+) #1254

noblemd00 opened this issue Feb 29, 2024 · 2 comments

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@noblemd00
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noblemd00 commented Feb 29, 2024

v. 2.36
Describe the bug
File size estimate of DoVi/HDR10(+) finished file size is off by 100+ MB (estimated 730Mb / finished 630MB) - used to be a closer estimate of the finished size.

Approximately 15% smaller than estimate. SDR and DV only file size estimate seems to be more accurate (same file in DV only - estimated 730MB finished 700MB).

Expected behavior
Dolby Vision / HDR video size estimate should be closer to finish re-encoded video size. Previously, this estimate was within 5% (+/-).

How to reproduce the issue
Load a Dolby Vision / HDR video

  1. Note the estimated VBR size vs. bitrate on the main screen and re-encode.
  2. Compare the size of the file after encode.

Provide information
240229 132817
240229 132833

EDIT
Bit Rate comparison re-encoded files (DV only top / DV HDR10+ bottom) - Note StaxRip VBR bitrate setting same for both

240229 142016

@Dendraspis
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Metadata should definitely be added to the calculation, which is currently missing. 🤔

I will see what I can do....

@Dendraspis
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Will be implemented in the next release....

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