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If video dimensions are invalid, wait a little and check again before performing the crop calculation

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Tamius Han 2020-04-28 03:05:55 +02:00
parent 10f1bae7de
commit ccde079aee
1 changed files with 34 additions and 6 deletions
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40
src/ext/lib/video-transform/Resizer.js
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@ -8,6 +8,7 @@ import Stretch from '../../../common/enums/stretch.enum';
import VideoAlignment from '../../../common/enums/video-alignment.enum';
import AspectRatio from '../../../common/enums/aspect-ratio.enum';
import CropModePersistance from '../../../common/enums/crop-mode-persistence.enum';
import { sleep } from '../Util';
if(Debug.debug) {
console.log("Loading: Resizer.js");
@ -139,7 +140,7 @@ class Resizer {
}
}
setAr(ar, lastAr) {
async setAr(ar, lastAr) {
if (this.destroyed) {
return;
}
@ -258,15 +259,37 @@ class Resizer {
|| this.stretcher.mode === Stretch.FixedSource){
var stretchFactors = this.scaler.calculateCrop(ar);
this.logger.log('error', 'debug', `[Resizer::setAr] <rid:${this.resizerId}> failed to set AR due to problem with calculating crop. Error:`, stretchFactors && stretchFactors.error);
if(! stretchFactors || stretchFactors.error){
this.logger.log('error', 'debug', `[Resizer::setAr] <rid:${this.resizerId}> failed to set AR due to problem with calculating crop. Error:`, (stretchFactors ? stretchFactors.error : stretchFactors));
if (stretchFactors.error === 'no_video'){
if (stretchFactors?.error === 'no_video'){
this.conf.destroy();
return;
}
if (stretchFactors.error === 'illegal_video_dimensions') {
this.logger.log('error', 'debug', `[Resizer::setAr] <rid:${this.resizerId}> Illegal video dimensions found. We will pause everything.`)
// we could have issued calculate crop too early. Instead of spending 30 minutes trying to fix this the proper way by
// reading documentation, let's fix it in 30 seconds with some brute force code
if (stretchFactors?.error === 'illegal_video_dimensions') {
let timeout = 10; // ms
let iteration = 0;
let maxIterations = 6;
do {
if (iteration > maxIterations) {
this.logger.log('error', 'debug', `[Resizer::setAr] <rid:${this.resizerId}> Video dimensions remain illegal after ${maxIterations} retries`);
return;
}
// fire first few rechecks in quick succession, but start increasing timeout
// later down the line.
if (iteration > 3) {
timeout *= 2;
}
this.logger.log('info', 'debug', `[Resizer::setAr] <rid:${this.resizerId}> Sleeping for ${timeout} ms`);
await sleep(timeout);
stretchFactors = this.scaler.calculateCrop(ar);
iteration++;
} while (stretchFactors.error === 'illegal_video_dimensions');
this.logger.log('info', 'debug', `[Resizer::setAr] <rid:${this.resizerId}> Video dimensions have corrected themselves after retrying.`);
}
return;
}
if (this.stretcher.mode === Stretch.Conditional){
@ -589,12 +612,17 @@ class Resizer {
// inject new CSS or replace existing one
if (!this.userCss) {
this.logger.log('info', ['debug', 'resizer'], "[Resizer::setStyleString] <rid:"+this.resizerId+"> Setting new css: ", newCssString);
this.injectCss(newCssString);
this.userCss = newCssString;
} else if (newCssString !== this.userCss) {
this.logger.log('info', ['debug', 'resizer'], "[Resizer::setStyleString] <rid:"+this.resizerId+"> Replacing css.\nOld string:", this.userCss, "\nNew string:", newCssString);
// we only replace css if it
this.replaceCss(this.userCss, newCssString);
this.userCss = newCssString;
} else {
this.logger.log('info', ['debug', 'resizer'], "[Resizer::setStyleString] <rid:"+this.resizerId+"> Existing css is still valid, doing nothing.");
}
}
}