46 lines
1.5 KiB
TypeScript
46 lines
1.5 KiB
TypeScript
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/// <reference lib="dom" />
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import type {VideoDecoderPropertiesType} from './specs/VideoNativeComponent';
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class VideoDecoderProperties implements VideoDecoderPropertiesType {
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async getWidevineLevel() {
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return 0;
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}
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static canPlay(codec: string): boolean {
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// most chrome based browser (and safari I think) supports matroska but reports they do not.
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// for those browsers, only check the codecs and not the container.
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if (navigator.userAgent.search('Firefox') === -1) {
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codec = codec.replace('video/x-matroska', 'video/mp4');
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}
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// Find any video element that we could use to check, or create one that will
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// instantly be garbage collected
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const videos = document.getElementsByTagName('video');
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const video = videos.item(0) ?? document.createElement('video');
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return !!video.canPlayType(codec);
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}
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async isCodecSupported(
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mimeType: string,
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_width: number,
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_height: number,
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): Promise<'unsupported' | 'hardware' | 'software'> {
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// TODO: Figure out if we can get hardware support information
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return VideoDecoderProperties.canPlay(mimeType)
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? 'software'
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: 'unsupported';
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}
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async isHEVCSupported(): Promise<'unsupported' | 'hardware' | 'software'> {
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// Just a dummy vidoe mime type codec with HEVC to check.
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return VideoDecoderProperties.canPlay(
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'video/x-matroska; codecs="hvc1.1.4.L96.BO"',
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)
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? 'software'
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: 'unsupported';
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}
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}
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export default VideoDecoderProperties;
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