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Two workers & worker termination (#198)

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* Refactoring codecs

* Plugging in new processor

* Fixing decorator

* MozJPEG free issue

* Better worker aborting, and terminate workers that aren't used for 10 seconds

* Better comment

* Ooops, half-typed comment

* Uncommenting problematic line

* Surma fixed it!

* Abstracting WASM initialisation

* Better comment

* Don't need this.

* Adding ticket

* noInitalRun

* Reverting MozJPEG issue demo

* Making a const for worker timeout

* Inline docs

* Bail early rather than nesting

* Addressing nits
This commit is contained in:
Jake Archibald
2018-10-28 09:17:43 +00:00
committed by GitHub
parent 02b0c022ca
commit 43def798e1
56 changed files with 778 additions and 688 deletions
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18
src/codecs/browser-webp/decoder.ts
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@@ -1,18 +0,0 @@
import { canDecodeImage, nativeDecode } from '../../lib/util';
export const name = 'Browser WebP Decoder';
export async function decode(blob: Blob): Promise<ImageData> {
return nativeDecode(blob);
}
// tslint:disable-next-line:max-line-length It’s a data URL. Whatcha gonna do?
const webpFile = 'data:image/webp;base64,UklGRh4AAABXRUJQVlA4TBEAAAAvAAAAAAfQ//73v/+BiOh/AAA=';
export function isSupported(): Promise<boolean> {
return canDecodeImage(webpFile);
}
const supportedMimeTypes = ['image/webp'];
export function canHandleMimeType(mimeType: string): boolean {
return supportedMimeTypes.includes(mimeType);
}

11
src/codecs/browser-webp/encoder-meta.ts Normal file
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@@ -0,0 +1,11 @@
import { canvasEncodeTest } from '../generic/util';
export interface EncodeOptions { quality: number; }
export interface EncoderState { type: typeof type; options: EncodeOptions; }
export const type = 'browser-webp';
export const label = 'Browser WebP';
export const mimeType = 'image/webp';
export const extension = 'webp';
export const defaultOptions: EncodeOptions = { quality: 0.5 };
export const featureTest = () => canvasEncodeTest(mimeType);

12
src/codecs/browser-webp/encoder.ts
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@@ -1,15 +1,5 @@
import { EncodeOptions, mimeType } from './encoder-meta';
import { canvasEncode } from '../../lib/util';
import { canvasEncodeTest } from '../generic/util';
export interface EncodeOptions { quality: number; }
export interface EncoderState { type: typeof type; options: EncodeOptions; }
export const type = 'browser-webp';
export const label = 'Browser WebP';
export const mimeType = 'image/webp';
export const extension = 'webp';
export const defaultOptions: EncodeOptions = { quality: 0.5 };
export const featureTest = () => canvasEncodeTest(mimeType);
export function encode(data: ImageData, { quality }: EncodeOptions) {
return canvasEncode(data, mimeType, quality);