mirror of
https://github.com/GoogleChromeLabs/squoosh.git
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42 lines
1.5 KiB
TypeScript
42 lines
1.5 KiB
TypeScript
/**
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* Copyright 2020 Google Inc. All Rights Reserved.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import type { AVIFModule } from 'codecs/avif/enc/avif_enc';
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import type { EncodeOptions } from '../shared/meta';
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import { initEmscriptenModule } from 'features/worker-utils';
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import checkThreadsSupport from 'worker-shared/supports-wasm-threads';
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let emscriptenModule: Promise<AVIFModule>;
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async function init() {
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if (await checkThreadsSupport()) {
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const avifEncoder = await import('codecs/avif/enc/avif_enc_mt');
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return initEmscriptenModule<AVIFModule>(avifEncoder.default);
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}
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const avifEncoder = await import('codecs/avif/enc/avif_enc.js');
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return initEmscriptenModule(avifEncoder.default);
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}
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export default async function encode(
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data: ImageData,
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options: EncodeOptions,
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): Promise<ArrayBuffer> {
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if (!emscriptenModule) emscriptenModule = init();
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const module = await emscriptenModule;
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const result = module.encode(data.data, data.width, data.height, options);
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if (!result) throw new Error('Encoding error');
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return result.buffer;
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}
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