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Properly enforce ArrayBuffers for codec results

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Surma
2018-05-23 11:09:35 +02:00
parent 638c57b6fe
commit e62fc26dfd
2 changed files with 4 additions and 3 deletions
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2
src/lib/codec-wrappers/codec.ts
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@@ -1,5 +1,5 @@
export interface Encoder { export interface Encoder {
encode(data: ImageData): Promise<ArrayBuffer | SharedArrayBuffer>; encode(data: ImageData): Promise<ArrayBuffer>;
} }
export interface Decoder { export interface Decoder {

5
src/lib/codec-wrappers/mozjpeg-enc.ts
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@@ -57,7 +57,7 @@ export class MozJpegEncoder implements Encoder {
})(); })();
} }
async encode(data: ImageData): Promise<ArrayBuffer | SharedArrayBuffer> { async encode(data: ImageData): Promise<ArrayBuffer> {
const m = await this.emscriptenModule; const m = await this.emscriptenModule;
const api = await this.api; const api = await this.api;
@@ -71,6 +71,7 @@ export class MozJpegEncoder implements Encoder {
api.free_result(); api.free_result();
api.destroy_buffer(p); api.destroy_buffer(p);
return result.buffer; // wasm can’t run on SharedArrayBuffers, so we hard-cast to ArrayBuffer.
return result.buffer as ArrayBuffer;
} }
} }