Add new fixed parameter combinations for resampling algorithm
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- Dominant language
- C
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Description
Expected behavior of the wanted feature
I would like to respectfully suggest a new upscaling filter: ewa_hanning + scale-blur=0.9753886283057314, which I have been researching for quite some time. I was hoping it could be named ewa_hannsharp and added to both vo=gpu and vo=gpu-next.
The effect is: ringing ≈ ewa_hanning, sharpness ≈ ewa_lanczossharp. You can find the details and the reasoning behind it here: https://github.com/mpv-player/mpv/discussions/14325#discussioncomment-18051042.
I sincerely apologize for the interruption. I wasn't entirely sure if it was appropriate to just bring this up, so please excuse the intrusion. Thank you very much for your time.
Alternative behavior of the wanted feature
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Sample Files
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reading the linked discussion and tracing the resampling configuration entry points for vo=gpu and vo=gpu-next. Confirm how fixed filter and scale-blur combinations are represented, then verify that the proposed ewa_hannsharp combination is available in both backends with the requested value.
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Assessment
- Tech stack
- c
- Domain
- computer-graphics
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Active
- Clarity
- Mostly clear
- Newbie friendliness
- 48/100