u.m.p.
u.m.p. is a Dear ImGui C++ OpenGL playback tool with D3D11VA hardware-accelerated video decoding and support for most video codecs, EXR, PNG, TIFF, and JPEG image sequences for Windows.
Basic features include:
- D3D11VA hardware video decoding (FFmpeg software fallback)
- HDR10 output support via D3D11 swapchain
- OpenEXR decoding with multichannel and multipart support
- playlists
- hover thumbnails with a filmstrip view
- frame-stepping press-and-hold RW/FF with speed up
- live OCIO-based color correction switching with a node-based interface
- live background switching for alpha-channel media review
- an annotation/notes system with basic drawing and line smoothing
- embedded timecode support
- title-safety guides for standard broadcast and social-media deliverables
- screenshots from all media with OCIO transforms applied
- dual view comparison mode
- support for Adobe project metadata
Manual and documentation
u.m.p. is open source. It’s a personal, in-house tool, but free to use and alter. GPL is due to dependencies such as FFmpeg and Exiftool.