worker sent an error! Render.worker.js:1: Uncaught RuntimeError: Aborted(OOM)

we use Off-screen canvs render. loop play sent an error.
first: we use `emscripten_pthread_attr_settransferredcanvases(&attr, g_pHwd)` transfer a canvas control to the thread. And `pthread_create` a subThread .
second: we use `emscripten_set_main_loop_arg` loop render the yuv.
Third: `emscripten_cancel_main_loop` and destroy context.
loop the first/second/Third step.

The first question : we loop the first/second/Third step， chrome freezed when we play 4 video at once Within 400ms.
The second question : we loop the first/second/Third step. the worker sent an error when we play 1 video after 5min.
Render.js:1 worker sent an error! http://localhost:8060/Render.worker.js:1: Uncaught RuntimeError: Aborted(OOM). Build with -sASSERTIONS for more info.
Render.js:1 Aborted(OOM)
abort @ Render.js:1
abortOnCannotGrowMemory @ Render.js:1
_emscripten_resize_heap @ Render.js:1
$func82 @ Render.wasm:0x2714
$Fa @ Render.wasm:0x192e
$func104 @ Render.wasm:0x3186
$func171 @ Render.wasm:0x892f
invokeEntryPoint @ Render.js:1
handleMessage @ Render.worker.js:1

the demo is in the github:
https://github.com/yangfangfang1204/offscreen/tree/main/MultiOffscreenError