Added an option to analyse a small sample of frames to create a single colour palette for the whole gif#10
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tsuko wants to merge 5 commits intoChman:masterfrom
Open
Added an option to analyse a small sample of frames to create a single colour palette for the whole gif#10tsuko wants to merge 5 commits intoChman:masterfrom
tsuko wants to merge 5 commits intoChman:masterfrom
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added 2 commits
August 27, 2017 17:33
…l adhere to by analyzing a sample of frames (set as every n-th frame in the Inspector) and producing a NeoQuant palette out of those combined frames.
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Whoa not sure how I missed this PR. That's a very nice addition, thanks for taking the time to implement it. I think the PR is missing a file though? See the inline comment. |
Chman
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Dec 11, 2017
| m_Width = serializedObject.FindProperty("m_Width"); | ||
| m_Height = serializedObject.FindProperty("m_Height"); | ||
| m_FramePerSecond = serializedObject.FindProperty("m_FramePerSecond"); | ||
| m_FramesPerColorSample = serializedObject.FindProperty("m_FramesPerColorSample"); |
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Recorder doesn't have a serialized m_FramesPerColorSample field. Did you miss a file in your commit?
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You're quite right! I hadn't copied my changes to Recorder.cs across. It should be good to go now. Thanks, @Chman.
roguesleipnir
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I extended Moments for my own project, and I thought other people might find these changes useful, as I get more stable colours and substantially faster encoding time now.
What Moments does now:
The existing version of Moments creates a new colour palette for every frame in a gif. NeuQuant is computationally expensive, so this makes encoding slow and, more importantly, it can result in "flickering" colours every frame when the NeuQuant operation quantises the colors slightly differently with a moving camera or changing colors on the screen.
What my additions do:
My fork gives Moments the ability to sample several frames from a gif, analyze those frames together with NeuQuant, and create a single color palette that every frame will map to, without further NeuQuant calls.
I've added a "Frames Per Color Sample" field to the inspector, which allows you to sample every n-th frame in a recording for color mapping purposes. If the "Frames Per Color Sample" is set to zero, Moments reverts to its current default behaviour of creating a brand new color palette every frame.
The results:
By setting "Frames Per Color Sample" to 6, for instance, I halved the encoding time for my 5.5 second gifs on Windows and I get rock-solid colours for the duration of my gif, without the frame-by-frame flickering I experienced previously.
BEFORE: (please note the flickering pinks and purples on some objects)
AFTER:
