Brooke Vibber

Compile hot code blocks to JS functions to speed up CPU

16

In a quick test with a Fibonacci sequence generator, I see about 320x-400x slowdown in v86 (Arch Linux demo in Firefox on a 64-bit Mac) compared to running on the...

Large sample files in the git repo should be fine but these are also included in the cargo distribution, weighing it down. Exclude these?

Windows build is slower than Linux build

1

Win64 and win32 builds of mtpng are noticeably slower than Linux or macOS builds, more so than when running the Linux build on WSL. It looks like it may be...

Segfault in PHP parsing particular .srt file from Wikimedia Commons in non-strict mode

5

I get a segfault (signal 11) in the PHP interpreter when trying to parse/convert a particular .srt file from Wikimedia Commons to WebVTT. Unfortunately system protection on macOS seems to...

2-pass log data not saved with ffmpeg --pass=1

1

**Describe the bug** When doing 2-pass encoding with ffmpeg and librav1e, the pass log file stays at 0 bytes, and the resulting encode is not as good as expected (massive...

WebM videos don't play in Safari browser (transcode?)

2

Ah, the fun fun world of video formats. :) Uploaded WebM or Ogg videos such as on https://lib.reviews/team/developers/post/b0873e50-4830-4603-a765-2f1c16ac3029 don't play as-is on Safari (or on current versions of Edge, though...

`this` arg for methods in JS API

4

In light of recent discussions about JS interop over on #150 I revisited the [MVP-JS.md](https://github.com/WebAssembly/gc/blob/master/proposals/gc/MVP-JS.md) document. A common scenario for JS APIs is to pass objects around that have both...