Rust port of NewPipeExtractor (YT-only). Plugs into Straw via UniFFI.
Kayos
7c7151186e
Channels on the newer pageHeaderRenderer layout (most channels with a
2024+ refreshed header — WTYP, etc.) were getting empty avatars and
banners since the parse_channel_browse only extracted those from the
older c4TabbedHeaderRenderer branch.
Two fixes layered:
1. parse_page_header_avatar() — walks the deep ViewModel nest:
header.content.pageHeaderViewModel.image
.decoratedAvatarViewModel.avatar.avatarViewModel.image.sources[]
Falls back to a couple of shallower nestings YT has used on this
path historically. Returns ImageSet sorted by height ascending so
.last() still picks the largest source.
2. metadata.channelMetadataRenderer.avatar.thumbnails[] backfill.
Set whether the header is c4Tabbed or pageHeader, and the most
reliable single avatar source. Used only when both header branches
came back empty so we don't override a higher-quality header avatar.
Description-from-metadata extraction folded into the same metadata
walk to avoid the JSON tree twice.
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| tests | ||
| .gitignore | ||
| Cargo.lock | ||
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| LICENSE | ||
| README.md | ||
strawcore
Rust port of NewPipeExtractor (v0.26.2), YouTube-only. Plugs into Straw via UniFFI.
Why this exists
rustypipe regex-parses YouTube's player.js and reimplements the signature deobfuscator in Rust. Every YT player rotation breaks it. NPE embeds Mozilla Rhino and executes the JS function live — resilient by design, and that's the architecture we're mirroring.
The rustypipe-backed Straw build (vc=15..17) also routed playback through iOS-progressive URLs, which hit a server-side ~917 KiB end-byte cap. NPE uses the Android client + po_token → DASH manifest path, which doesn't see the cap. Same fix, different layer.
See memory/npe-audit-2026-05-24/SPEC.md in the workspace repo for the full plan.
Status
| Phase | Subsystem | Status |
|---|---|---|
| 1 | Foundation (downloader + service spine) | in progress |
| 2 | JS engine (rquickjs + ress) | pending |
| 3 | InnerTube + itag table | pending |
| 4 | Stream extractor + DASH | pending |
| 5 | PoTokenProvider trait + Android JNI bridge | pending |
| 6 | Search + Channel + Playlist + Kiosks | pending |
| 7 | UniFFI surface swap | pending |
| 8 | Delete rustypipe everywhere | pending |
Build + test
cargo build
cargo test --lib # offline unit tests
cargo test --features online-tests # full smoke incl. live httpbin.org
License
GPL-3.0-or-later. NPE is GPL-3.0; this port inherits.