
from libbitsub7
Integration guide for libbitsub: a Rust/WASM bitmap subtitle renderer for PGS and VobSub formats, with renderers, parsers, and APIs for browser video players.
libbitsub provides a high-performance Rust→WASM bitmap subtitle rendering library for browser-based video players. It supports PGS (Blu-ray), VobSub (DVD), and Matroska .mks tracks that embed VobSub, handling canvas overlay, video sync, worker offloading, GPU backends (WebGPU/WebGL2/Canvas2D), and exportable frame APIs.
Use libbitsub when you need graphical subtitle support in a web player (PGS/VobSub), require precise frame rendering or preview exports, need worker-backed rendering for performance, or must integrate subtitle parsing and diagnostics into a media pipeline. Triggers: "render PGS subtitles", "embed VobSub", "export subtitle frame", "diagnose subtitle issues".
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