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• Flutter ffmpeg kit : Invalid size error when trying to scale video

  27 juillet 2023, par veryepicdude

  I'm trying to resize a video to match instagram's video format requirements. I'm using the ffmpeg_kit_flutter_full_gpl: ^5.1.0 package to do so and this is the function I'm calling :

  


  Future<void> resizeVideo(String input, String output) async {&#xA;&#xA;  final command = &#x27;-i $input -c:v libx264 -aspect 16:9 -crf 18 -vf "scale=iw*min(1280/iw\,720/ih):ih*min(1280/iw\,720/ih),pad=1280:720:(1280-iw)/2:(720-ih)/2" -fpsmax 60 -preset ultrafast -c:a aac -b:a 128k -ac 1 -use_editlist false -ar 48000 -pix_fmt yuv420p -movflags &#x2B;faststart -t 59 -y $output&#x27;;&#xA;  final session = await FFmpegKit.execute(command);&#xA;  print("resize done with ${await session.getReturnCode()}");&#xA;}&#xA;</void>

  


  However I get this error every time :

  


   Stream #0:0[0x1](und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, mono, fltp, 60 kb/s (default)
    Metadata:
      creation_time   : 2023-07-27T15:30:28.000000Z
      handler_name    : Core Media Audio
      vendor_id       : [0][0][0][0]
  Stream #0:1[0x2](und): Video: hevc (hvc1 / 0x31637668), yuv420p(tv, smpte170m/bt709/bt709), 720x1280, 2085 kb/s, 30 fps, 30 tbr, 600 tbn (default)
    Metadata:
      creation_time   : 2023-07-27T15:30:28.000000Z
      handler_name    : Core Media Video
      vendor_id       : [0][0][0][0]
Stream mapping:
  Stream #0:1 -> #0:0 (hevc (native) -> h264 (libx264))
  Stream #0:0 -> #0:1 (aac (native) -> aac (native))
Press [q] to stop, [?] for help
[Parsed_scale_0 @ 0x2834a53f0] Invalid size 'iw*min(1280/iw'
[AVFilterGraph @ 0x28278e3a0] Error initializing filter 'scale'[AVFilterGraph @ 0x28278e3a0]  with args 'iw*min(1280/iw'[AVFilterGraph @ 0x28278e3a0] 
Error reinitializing filters!
Failed to inject frame into filter network: Invalid argument
Error while processing the decoded data for stream #0:1
[aac @ 0x105334290] Qavg: 461.613
[aac @ 0x105334290] 2 frames left in the queue on closing


  


  Removing the scale filter makes the function work fine, but it fails the instagram video requirements listed here.
Any help will be greatly appreciated.

  


• Matomo NAMED 2023 Hi-Tech Awards finalist

  1er août 2023, par Lance — Press Releases

  WELLINGTON, N.Z., April 20, 2023 – InnoCraft, the makers of world-leading open-source web analytics platform Matomo, has been named an ASX Hi-Tech Emerging Company of the Year finalist in the 2023 Hi-Tech Awards. 



  Matomo founder Matthieu Aubry says, “At Matomo, we believe in empowering individuals and organizations to make informed decisions about their digital presence. By providing an open-source website analytics platform, we have created a more transparent and trustworthy digital ecosystem. We are proud to be recognised as a finalist for the Hi-Tech Awards, and we will continue to work towards a more open and ethical digital landscape, and grow the business in New Zealand and worldwide.”



  About Matomo

  Matomo, launched in 2007 as an open-source, privacy-friendly Google Analytics alternative, is trusted by over 1.5 million websites in 220 countries and has been translated in over 50 languages. Matomo tracks and analyses online visits and traffic to give users a deeper understanding of their website visitors to drive conversions and revenue ; while keeping businesses compliant with privacy laws worldwide, such as the EU’s General Data Protection Regulation (GDPR) and The California Consumer Privacy Act (CCPA).

  Aubry says Matomo is performing extremely well internationally as consumers and organizations look for privacy-focused analytics solutions, with several European countries already ruling the use of Google Analytics illegal due to data transfers to the US. In addition, Matomo’s user increase was recognized earlier this year with W3Tech’s award for the best web analytics software in its Web Technologies of the Year 2022 – with previous winners including Google Analytics and Facebook Pixel.



  A record number of companies entered the 2023 Hi-Tech Awards, with entries coming in from across the country and from all areas of the Hi-Tech sector. This depth is reflected in the line-up of finalists this year, according to David Downs, Chair of the Hi-Tech Trust, who says the standard of entries continue to grow every year.

”

  The hi-tech sector continues to flourish and it’s fantastic to see the success that so many of our companies enjoy on the international stage. This sector continues to prove its resilience and is at the forefront of our export economy in turbulent times,” says Downs.



  The Hi-Tech Awards Gala Dinner will take place on Friday, the 23rd of June, in Christchurch. 


   

• How to fix ffmpeg,js length error in react-js project | fix error in react project

  19 février 2024, par X3R0

  I've tried to import the ffmpeg js library into my react-typescript project, I can't really update my project's react version or react-scripts due to the current code base.

  


  Error

  


  ./node_modules/@ffmpeg/ffmpeg/dist/umd/ffmpeg.js
TypeError: REDACTED_PROJECT_ROOT\node_modules\@ffmpeg\ffmpeg\dist\umd\ffmpeg.js: Cannot read properties of undefined (reading 'length')


  


  Code

  


  import React, { useEffect, useRef, useState } from 'react';
import { FFmpeg } from '@ffmpeg/ffmpeg';

/* MORE CODE HERE */

const ffmpeg = new FFmpeg();
const baseURL = 'https://unpkg.com/@ffmpeg/core@0.12.6/dist/umd';
const coreURL = `${baseURL}/ffmpeg-core.js`;
const wasmURL = `${baseURL}/ffmpeg-core.wasm`;
const coreData = await fromURLToBlob(coreURL);
const wasmData = await fromURLToBlob(wasmURL);
const coreBlob = new Blob([coreData], { type: "text/javascript"});
const wasmBlob = new Blob([wasmData], { type: "application/wasm"});
await ffmpeg.load({
    coreURL: fromBlobToURL(coreBlob),
    wasmURL: fromBlobToURL(wasmBlob),
});       

/* MORE CODE HERE */


  


  Versions

  


  npm v8.19.4
node v16.20.2


  


  tsconfig.json

  


  {
  "compilerOptions": {
    "target": "es5",
    "lib": [
      "dom",
      "dom.iterable",
      "esnext"
    ],
    "allowJs": true,
    "skipLibCheck": true,
    "esModuleInterop": true,
    "allowSyntheticDefaultImports": true,
    "strict": false,
    "forceConsistentCasingInFileNames": true,
    "noFallthroughCasesInSwitch": true,
    "module": "esnext",
    "moduleResolution": "node",
    "resolveJsonModule": true,
    "isolatedModules": true,
    "noEmit": true,
    "jsx": "react-jsx"
  },
  "include": [
    "src"
  ]
}



  


  package.json

  


  {
  "name": "frontend",
  "version": "0.1.0",
  "private": true,
  "dependencies": {
    "@emotion/react": "^11.10.4",
    "@emotion/styled": "^11.10.4",
    "@ffmpeg/ffmpeg": "^0.12.10",
    "@material-ui/core": "^4.12.3",
    "@mui/base": "^5.0.0-beta.36",
    "@mui/icons-material": "^5.10.3",
    "@mui/material": "^5.15.10",
    "@mui/x-data-grid": "^6.19.2",
    "@mui/x-data-grid-pro": "^6.19.2",
    "@reduxjs/toolkit": "^1.8.5",
    "@testing-library/jest-dom": "^5.14.1",
    "@testing-library/react": "^11.2.7",
    "@testing-library/user-event": "^12.8.3",
    "@toast-ui/editor": "^3.1.3",
    "@toast-ui/react-editor": "^3.1.3",
    "@types/jest": "^29.0.1",
    "@types/node": "^18.7.17",
    "@types/react": "^17.0.49",
    "@types/react-dom": "^18.0.6",
    "@zalando/oauth2-client-js": "^0.0.18",
    "ajv": "^8.12.0",
    "ajv-errors": "^3.0.0",
    "apexcharts": "^3.28.1",
    "arraybuffer-concat": "^0.0.1",
    "axios": "^1.4.0",
    "base64-blob": "^1.4.1",
    "bootstrap": "^5.1.1",
    "datetime-diff": "^0.2.1",
    "fuzzy-time": "^1.0.7",
    "jquery": "^3.6.0",
    "jso": "^4.1.1",
    "luxon": "^2.3.0",
    "pretty-bytes": "^5.6.0",
    "react": "^17.0.2",
    "react-apexcharts": "^1.3.9",
    "react-beautiful-dnd": "^13.1.0",
    "react-bootstrap": "^2.0.0-rc.0",
    "react-dom": "^17.0.2",
    "react-export-excel": "^0.5.3",
    "react-facebook": "^9.0.12",
    "react-helmet": "^6.1.0",
    "react-icons": "^4.3.1",
    "react-media-recorder": "^1.6.6",
    "react-notifications": "^1.7.2",
    "react-pages": "^0.4.4",
    "react-redux": "^7.2.8",
    "react-router": "^5.2.1",
    "react-router-dom": "^5.2.1",
    "react-scripts": "4.0.3",
    "react-toastify": "^8.0.2",
    "react-tooltip": "^4.2.21",
    "react-webcam": "^6.0.0",
    "recharts": "^2.1.8",
    "redux": "^4.2.0",
    "redux-thunk": "^2.4.1",
    "typescript": "^4.8.3",
    "web-vitals": "^1.1.2",
    "website-popup": "^3.0.0"
  },
  "scripts": {
    "start": "react-scripts start",
    "build": "set NODE_OPTIONS=--max-old-space-size=4096 && react-scripts build --GENERATE_SOURCEMAP=false",
    "test": "react-scripts test",
    "eject": "react-scripts eject"
  },
  "eslintConfig": {
    "extends": [
      "react-app"
    ]
  },
  "browserslist": {
    "production": [
      ">0.2%",
      "not dead",
      "not op_mini all"
    ],
    "development": [
      "last 1 chrome version",
      "last 1 firefox version",
      "last 1 safari version"
    ]
  },
  "devDependencies": {
    "@babel/plugin-proposal-nullish-coalescing-operator": "^7.18.6"
  }
}