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Thomas Lynch
9c85532d9b
Log (warn) on error if the first thumbnail fails because the error can be handy in debugging
38 lines
1.0 KiB
JavaScript
38 lines
1.0 KiB
JavaScript
'use strict';
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const ffmpeg = require('fluent-ffmpeg')
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, config = require(__dirname+'/../../misc/config.js')
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, uploadDirectory = require(__dirname+'/../uploaddirectory.js');
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module.exports = (file, geometry, timestamp) => {
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const { thumbSize } = config.get;
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let inputArgs = [
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timestamp === 0 ? '-t 0' : `-ss ${timestamp}`
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];
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let outputArgs = [
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`-vf scale=${geometry.width > geometry.height ? thumbSize + ':-2' : '-2:' + thumbSize}`,
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'-frames:v 1'
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];
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// workaround: FFmpeg native WebM decoder doesn't handle alpha.
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if (file.codec === 'vp8') { inputArgs.push('-c:v libvpx'); }
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if (file.codec === 'vp9') { inputArgs.push('-c:v libvpx-vp9'); }
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return new Promise((resolve, reject) => {
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const command = ffmpeg(`${uploadDirectory}/file/${file.filename}`)
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.on('end', () => {
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return resolve();
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})
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.on('error', function(err) {
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return reject(err);
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});
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command
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.inputOptions(inputArgs)
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.outputOptions(outputArgs)
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.output(`${uploadDirectory}/file/thumb/${file.hash}${file.thumbextension}`)
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.run();
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});
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};
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