roz/avidemux_shaders
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v2.0, better quality, less perspective deformation #1

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roz merged 27 commits from v2.0 into main 2025-10-09 04:46:20 +02:00
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README.md
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@ -13,12 +13,12 @@ Shaders for Avidemux with OpenGL support
- New method based on sensor size and focal length - New method based on sensor size and focal length
- Accurate frame widening - Accurate frame widening
- Fisheye aware subsampling - Fisheye aware subsampling
- Rec.709 colorspace conversion _(requires to patch and rebuild Avidemux)_ - Rec.709 colorspace conversion
#### Content #### Content
- avidemux.patch - avidemux.patch
A patch to use GL_NEAREST instead of GL_LINEAR for the luminance channel (the shader is implementing bilinear interpolation with colorspace conversion). Optional patch to use GL_NEAREST instead of GL_LINEAR for the luminance channel (the shader is implementing bilinear interpolation with colorspace conversion).
- unfish_gopro_8:7.py - unfish_gopro_8:7.py
Script to compute the parameters Script to compute the parameters
@ -44,3 +44,9 @@ _For commercial OS's, figure out the paths yourself, then edit the preset to fix
- Select "Custom/preset_gopro_8:7" in the menu - Select "Custom/preset_gopro_8:7" in the menu
- Modify and/or add filters - Modify and/or add filters
- Save the video - Save the video
#### Shader options
- #define color_conversion: comment out to disable gamma correction for the luminance channel
- #define texture_filtering: comment out to disable custom bilinear filtering for the luminance channel
- #define rotate_180: uncomment to rotate the image by 180 degrees