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@ -295,7 +295,26 @@ class FrameProvider {
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worker.terminate();
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};
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worker.onmessage = (event) => {
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worker.onmessage = async (event) => {
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if (event.data.isRaw) {
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// safary doesn't support createImageBitmap
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// there is a way to polyfill it with using document.createElement
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// but document.createElement doesn't work in worker
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// so, we get raw data and decode it here, no other way
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const createImageBitmap = async function(blob) {
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return new Promise((resolve,reject) => {
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let img = document.createElement('img');
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img.addEventListener('load', function() {
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resolve(this);
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});
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img.src = URL.createObjectURL(blob);
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});
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};
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event.data.data = await createImageBitmap(event.data.data);
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}
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this._frames[event.data.index] = event.data.data;
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if (this._decodingBlocks[`${start}:${end}`].resolveCallback) {
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