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Improve GenerateVideoThumbnail (#5186)

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* Improve GenerateVideoThumbnail

* use fluent-ffmpeg

* Update src/services/drive/generate-video-thumbnail.ts
This commit is contained in:
rinsuki 2019-07-20 03:28:14 +09:00 • committed by syuilo
parent 56c8ad9df3
commit 7ac13a386c
3 changed files with 44 additions and 95 deletions
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24
src/services/drive/generate-video-thumbnail.ts
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@ -1,7 +1,7 @@
import * as fs from 'fs';
import * as tmp from 'tmp';
import { IImage, convertToJpeg } from './image-processor';
const ThumbnailGenerator = require('video-thumbnail-generator').default;
import * as FFmpeg from 'fluent-ffmpeg';
export async function GenerateVideoThumbnail(path: string): Promise<IImage> {
const [outDir, cleanup] = await new Promise<[string, any]>((res, rej) => {
@ -11,14 +11,18 @@ export async function GenerateVideoThumbnail(path: string): Promise<IImage> {
});
});
const tg = new ThumbnailGenerator({
sourcePath: path,
thumbnailPath: outDir,
});
await tg.generateOneByPercent(5, {
size: '100%',
filename: 'output.png',
await new Promise((res, rej) => {
FFmpeg({
source: path
})
.on('end', res)
.on('error', rej)
.screenshot({
folder: outDir,
filename: 'output.png',
count: 1,
timestamps: ['5%']
});
});
const outPath = `${outDir}/output.png`;
@ -26,7 +30,7 @@ export async function GenerateVideoThumbnail(path: string): Promise<IImage> {
const thumbnail = await convertToJpeg(outPath, 498, 280);
// cleanup
fs.unlinkSync(outPath);
await fs.promises.unlink(outPath);
cleanup();
return thumbnail;