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I've just pushed out a new v0.9.2 release of VapourBox!
Enjoy!
Based off feedback, here's the changes:
Film Restoration Filters
- DeScratch — Remove vertical scratches from scanned film (spatial, single-frame analysis)
- SpotLess — Remove dust, dirt, and temporal spots using motion-compensated median filtering
Chroma Fixes
- Chroma Shift (Y/C Delay) — Precisely align chroma planes with sub-pixel accuracy for analog sources
- Fixed method dropdown showing alongside individual checkboxes in Chroma Fixes
Bug Fixes
- Fixed preview template unconditionally marking clips as field-based, causing resize errors with some filters
- Fixed DeScratch compatibility with field-based clips and non-8-bit formats -
And v0.9.3 is out with a hot fix for a path issue when reading from physical DVDs.
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It handles FFV1 lossless compression already, I've never used HuffYUV but it looks to be quite ancient. Any particular reason for that choice? It looks like ffmpeg handles it already so I can probably expose it without much drama in a future release.
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If nobody else asks for it then leave it be and pursue what others may find a good addition. HuffYUV is a popular capture and processing codec in the VHS/ analog video to digital realm. There are a few versions, I think 32 bit 2.1.1 being the recommended I use but I'd have to recheck that.
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Sure, but so are UTVideo in all its variants and options, Lagarith or the already included virtual lossless ProRes variants. Maybe we should not overload the tool, as it still claims to be more convenient and easier to use than some other more complex GUIs

IVTC could include more telecine patterns, SRestore could be added to deblend oddly frame converted stuff ... where do the wishes end?Last edited by Sharc; 10th Apr 2026 at 13:25.
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I agree with not bloating the tool.
The developer will decide what if any changes are made.
For now I will sit back and watch because in a scrum betwixt a Cod, a Sharc, and a Crab, the Crab loses every time. -
Liking this tool a lot. It already covers most of the bases for filters, while not being bloated like Hybrid.
What about Santiag (or if there is something better...) for anti-aliasing? I was going to suggest a mosquito noise filter such as MosquitoNR, but I don't think it was ever ported to VapourSynth. -
I'll add them to my TODO list of things to suss out.
I've spent a bunch of time working on adding linux support as there have been a few requests for that, and it's all mostly working other than a few filter issues and what seems like some preview race condition stuff.
I've also got a fix for a path issue when ripping DVDs directly from source media on Windows, so I'll bundle up a bug fix release when I've got time for that.
I'm just glad people are finding this useful, thanks for the feedback everyone.
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Greetings, new user here. First and foremost thank you for providing this tool, I just found it and already am liking it. But...
Im getting an error if I choose any of the NVENC encoders. I thought maybe it crashed or whatever maybe Windows is acting stupid again so I immediately tried NVENC with Staxrip and sure, all is working fine there. Im getting this error in VapourBox 'Decoder ffmpeg exited with error code -22'. Getting the same error on HEVC and x264. Vanilla, aka software, encoders for those work just fine. GPU is a measly T400 with 2GB of RAM (running on Win10 x64) but it works just fine in Staxrip/Hybrid.
Any ideas or suggestions are more than welcome.
Thank you. Cheers! -
Not every model of NVidia card will support NVEnc.
Check to see if your card will support it here:
https://developer.nvidia.com/video-encode-decode-support-matrix
also:
Google is your friend:
From Google:
The error code -22 in FFmpeg corresponds to EINVAL (Invalid argument), indicating that the command line parameters or codec settings provided to the encoder are incorrect. In the specific context of an NVIDIA Quadro T400, this error often manifests during hardware encoding attempts using NVENC (e.g., h264_nvenc) when specific parameters like bitrate, profile, or buffer sizes are mismatched or unsupported by the driver.
Common Causes and Solutions for Quadro T400
Driver Compatibility Issues:
Specific NVIDIA driver versions, such as 550.54.14, have been reported to cause NVENC failures on Quadro T400 and GTX 1650 cards, resulting in "Failed locking bitstream buffer: invalid param" errors.
Solution: Roll back to a stable driver version, such as 550.40.07, which has been confirmed to resolve this specific NVENC bug.
Invalid FFmpeg Arguments:
The -22 error can also result from incorrect FFmpeg command syntax, such as using an unsupported output format (e.g., -f vob in newer FFmpeg versions) or mismatched audio/video codec parameters.
Solution: Review the FFmpeg command for unsupported flags. For NVENC, ensure the profile (e.g., main or high) and level are compatible with the Quadro T400's capabilities.Last edited by tvd051955; 8th May 2026 at 08:56.
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