# \#wasm

**URL:** https://forum.opencv.org/tag/wasm/402.md

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## [Use OpenCV in C++ WASM](https://forum.opencv.org/t/use-opencv-in-c-wasm/18630)

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**Author:** [@GundulaGaukeley](https://forum.opencv.org/u/GundulaGaukeley)\
**Replies:** 2\
**Last updated:** [September 1, 2024, 11:35am UTC](https://forum.opencv.org/t/use-opencv-in-c-wasm/18630 "2024-09-01T11:35:39Z")

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Dear colleagues, I am trying to port a Linux console application to WASM. It is important to mention that no JS is used. JS is only used to call functions of the WASM file. But before I continue, here is the basic infor…

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## [OpenCV.js does not work from a web worker if WASM threads are enabled](https://forum.opencv.org/t/opencv-js-does-not-work-from-a-web-worker-if-wasm-threads-are-enabled/18010)

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**Author:** [@andynewman](https://forum.opencv.org/u/andynewman)\
**Replies:** 1\
**Last updated:** [June 20, 2024, 7:53am UTC](https://forum.opencv.org/t/opencv-js-does-not-work-from-a-web-worker-if-wasm-threads-are-enabled/18010 "2024-06-20T07:53:23Z")

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OpenCV.js does not work for me when built with WASM threads enabled (--threads option active) and used in a web worker. The problem occurs when using OpenCV.js compiled with emscripten (3.1.57, or latest) $ git clone h…