api & packages: rewrite hls parser with native rust module#1571
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thealexsan wants to merge 3 commits into
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api & packages: rewrite hls parser with native rust module#1571thealexsan wants to merge 3 commits into
thealexsan wants to merge 3 commits into
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This PR replaces the CPU-heavy JavaScript hls-parser logic in internal-hls.js with a blazing-fast native Rust module (@imput/cobalt-rs-hls) using napi-rs and m3u8-rs. Why? Parsing massive multi-megabyte HLS/DASH playlists for live streams (like Twitch or Bluesky) recursively in JavaScript blocks the event loop and heavily stresses V8's garbage collector. This native extension isolates that workload to a memory-safe, zero-copy Rust parser, dramatically improving proxy throughput. It preserves the exact same stream cache logic by calling synchronously back into Node.js. |
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