go-gv-video

README

go-gv-video

GV codec (Extreme Gpu Friendly Video Format) video decoder for Go (pure Go).

Ported from rust-gv-video

This lib only provides file (or memory) loader, if you need player, please use ebiten_gvvideo or create your one.

[!WARNING] Go port was almost done by GitHub Copilot. Use with care.

binary file format (gv)

0: uint32_t width
4: uint32_t height
8: uint32_t frame count
12: float fps
16: uint32_t format (DXT1 = 1, DXT3 = 3, DXT5 = 5, BC7 = 7)
20: uint32_t frame bytes
24: raw frame storage (lz4 compressed)
eof - (frame count) * 16: [(uint64_t, uint64_t)..<frame count] (address, size) of lz4, address is zero based from file head

More detail, see ofxExtremeGpuVideo.

Test

$ go test ./gvvideo