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• ffmpeg - problem in copying the stream with timed metadata during a split command

  15 novembre 2020, par Swarna Ananthan

  I am facing a problem while copying mp4 along with the data stream in a split command.

  


  ffmpeg -i 'testinput.mp4' -map 0 -copy_unknown -ss 12.800000 -t 14.549 -c copy testoutput.mp4


  


  I am getting the below error.

  


  Duration: 00:04:45.25, start: 0.000000, bitrate: 120 kb/s
    Stream #0:0(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 116 kb/s (default)
    Metadata:
      creation_time   : 2020-05-26T20:58:03.000000Z
      handler_name    : WowzaStreamingEngine
    Stream #0:1(eng): Data: none (amf0 / 0x30666D61), 1 kb/s (default)
    Metadata:
      creation_time   : 2020-05-26T20:58:03.000000Z
      handler_name    : WowzaStreamingEngine

File 'testoutput.mp4' already exists. Overwrite? [y/N] y

[mp4 @ 0x7fe8b0808800] Could not find tag for codec none in stream #1, codec not currently supported in container
Could not write header for output file #0 (incorrect codec parameters ?): Invalid argument
Stream mapping:
  
Stream #0:0 -> #0:0 (copy)
Stream #0:1 -> #0:1 (copy)
Last message repeated 1 time


  


  Stream#1 is datastream in my case.

  


• ffmpeg exit code 429496724 when opening file with {} in name

  16 février, par Holly Wilson

  I'm trying to write a program that will read the names of files in a directory, and parse them for info which it will then write into that file's metadata (seems pointless, I know, but it's more of a trial run for a larger project. If I can figure this out, then I'll be ready to move on to what I actually want to do).
All of my filenames are formatted :

  


  Title, Article* - Subtitle* Cut* [Year]
*if present

  


  The four test videos I'm using are titled :

  


  Test Video 1 [2000]

  


  Test Video 2, A [2000]

  


  Test Video 3 Test Cut [2000]

  


  Test Video 4 - The Testening [2000]

  


  The code seems to be working fine on videos 1, 2, & 4 ; but video 3 is causing me a lot of headache.

  


  //node C:\Users\User\Documents\Coding\Tools\testMDG.js
const fs = require('fs');
const path = require('path');
const ffmpeg = require('fluent-ffmpeg');
const async = require('async');
const directory = path.normalize('F:\\Movies & TV\\Movies\\testDir');
let x = 0;
const fileArray = [];
const succArray = [];
const failArray = [];
// Set the path to the ffmpeg executable
ffmpeg.setFfmpegPath(path.normalize('C:\\ffmpeg\\bin\\ffmpeg.exe'));

// Add this near the start of your script
const tempDir = path.join(directory, 'temp');
if (!fs.existsSync(tempDir)) {
    fs.mkdirSync(tempDir, { recursive: true });
}

const progresscsv = path.normalize('C:\\Users\\User\\Documents\\Coding\\Tools\\progress.csv');
if (fs.existsSync(progresscsv)) {
    fs.unlinkSync(progresscsv);
};

const csvStream = fs.createWriteStream(progresscsv);
csvStream.write('File Name,Status\n');

const CONCURRENCY_LIMIT = 3; // Adjust based on your system capabilities

// Add at the start of your script
const processedFiles = new Set();

function sanitizeFilePath(filePath) {
    return filePath.replace(/([{}])/g, '\\$1');
}

// Create a queue
const queue = async.queue(async (task, callback) => {
    const { file, filePath, tempFilePath, movieMetadata } = task;
    try {
        await new Promise((resolve, reject) => {
            console.log(`ffmpeg reading: ${sanitizeFilePath(filePath)}`);
            ffmpeg(sanitizeFilePath(filePath))
                .outputOptions([
                    '-y',
                    '-c', 'copy',
                    '-map', '0',
                    '-metadata', `title=${movieMetadata.title}`,
                    '-metadata', `subtitle=${movieMetadata.subtitle || ''}`,
                    '-metadata', `comment=${movieMetadata.cut || ''}`,
                    '-metadata', `year=${movieMetadata.year}`
                ])
                .on('error', (err) => reject(err))
                .on('end', () => resolve())
                .saveToFile(tempFilePath);
        });
        
        // Handle success
        console.log(`Successfully processed: ${file}`);
        succArray.push(file);
        // Only call callback once
        if (callback && typeof callback === 'function') {
            callback();
        }
    } catch (err) {
        // Handle error
        console.error(`Error processing ${file}: ${err.message}`);
        failArray.push(file);
        // Only call callback once with error
        if (callback && typeof callback === 'function') {
            callback(err);
        }
    }
}, CONCURRENCY_LIMIT);

fs.readdir(directory, (err, files) => {
    if (err) {
        console.error(`Error reading directory: ${err.message}`);
        return;
    }
    console.log(directory);

    // Filter for files only
    files = files.filter(file => fs.statSync(path.join(directory, file)).isFile());
    console.log(files);

    for (const file of files) {
        x++;
        const filePath = path.join(directory, file);
        let desort = file.replace(/(.*),\s(the\s|an\s|a\s)/i, '$2'+'$1 ') || file;
        
        // Create task object for queue
        const task = {
            file,
            filePath: filePath,
            tempFilePath: path.join(directory, 'temp', `temp_${x}_${path.parse(file).name
                .replace(/[^a-zA-Z0-9]/g, '_')}${path.extname(file)}`),
            movieMetadata: {
                title: desort.replace(/(\s[\-\{\[].*)/gi, ``),
                subtitle: desort.includes('-') ? desort.replace(/(.*)\-\s(.*?)[\{\[].*/gi, '$2') : null,
                cut: desort.includes('{') ? desort.replace(/.*\{(.*)\}.*/gi, '$1') : null,
                year: desort.replace(/.*\[(.*)\].*/gi, '$1')
            }
        };
        
        // Add to processing queue
        queue.push(task, (err) => {
            if (!processedFiles.has(task.file)) {
                processedFiles.add(task.file);
                if (err) {
                    csvStream.write(`${task.file},Failed\n`);
                } else {
                    csvStream.write(`${task.file},Processed\n`);
                }
            }
        });
    }
});

// Add queue completion handler
queue.drain(() => {
    console.log('All files have been processed');
    console.log(`Success: ${succArray.length} files: ${succArray}`);
    console.log(`Failed: ${failArray.length} files: ${failArray}`);
});

//node C:\Users\User\Documents\Coding\Tools\testMDG.js


  


  And the console is logging :

  


  PS C:\Users\User> node C:\Users\User\Documents\Coding\Tools\testMDG.js
F:\Movies & TV\Movies\testDir
[
  'Test Video 1 [2020].mp4',
  'Test Video 2, A [2020].mp4',
  'Test Video 3 {Test Cut} [2020].mp4',
  'Test Video 4 - The Testening [2020].mp4'
]
ffmpeg reading: F:\Movies & TV\Movies\testDir\Test Video 1 [2020].mp4
ffmpeg reading: F:\Movies & TV\Movies\testDir\Test Video 2, A [2020].mp4
ffmpeg reading: F:\Movies & TV\Movies\testDir\Test Video 3 \{Test Cut\} [2020].mp4
Error processing Test Video 3 {Test Cut} [2020].mp4: ffmpeg exited with code 4294967294: Error opening input file F:\Movies & TV\Movies\testDir\Test Video 3 \{Test Cut\} [2020].mp4.
Error opening input files: No such file or directory

ffmpeg reading: F:\Movies & TV\Movies\testDir\Test Video 4 - The Testening [2020].mp4
Successfully processed: Test Video 1 [2020].mp4
Successfully processed: Test Video 2, A [2020].mp4
Successfully processed: Test Video 4 - The Testening [2020].mp4
All files have been processed
Success: 3 files: Test Video 1 [2020].mp4,Test Video 2, A [2020].mp4,Test Video 4 - The Testening [2020].mp4
Failed: 1 files: Test Video 3 {Test Cut} [2020].mp4


  


  I've tried so many different solutions in the sanitizeFilePath function. Escaping the {} characters (as included below), escaping all non-alphanumeric characters, putting the filepath in quotes, etc. VSCode's CoPilot is just pulling me round in circles, suggesting solutions I've already tried.

  


• How to combine multiple video blobs in js without gap ?

  5 septembre 2021, par Pouria Moosavi

  I have an array of urls. I download them with fetch and then get blob from each response with await res.blob(). I need to concat all these blobs together to make a full video out of it, I tried to push each blob into an array and make a file new File(blobArray, "test") but the result has a gap between each blob.

  


  I've tried to save each blob as a separate file and concat them with ffmpeg -f concat -safe 0 -i text -c copy out3.mp4 and the result was perfect. So I know that my blobs are correct and the problem is how I am combining them together.

  


  This is my full code :

  


  (async function() {
  var urlString = `
https://hls-c.udemycdn.com/2020-06-25_14-12-40-d54947f66bb66a48d9c119adf45739ad/1/hls/AVC_1920x1080_800k_AAC-HE_64k/aa0003ab30f349f2a87b8a745d2b648e18160.ts?Expires=1630841672&Signature=C-DrIcvmIGkm0s42EQRPWh6Y-aEWvnl2xu1LOIWyzgQqOe-~6E9rLtpR5Kdfz8lNdNXVFz2XyrsgSX1Dn8AUbxUM6umqxALPn57sdSUoVf5-JQce472EHX-roQTsy3SAM~IIXH3B6FHcpdce~1vdqTze~nQY2F3wbzCPyspJSEPU74~-TySj8PhHrFtYNFIsFVr4R-Pc4FF-EWy2zXzo0Av59-4VlOXqFYhmQwcm~kimWNXJpOYhghv6pVbFYzyp7x9tYLiX1~9hbTG3otmoBAJGRt7EUlZiBZhprAgMzhrPS2TezenBKXNf0qJEp-fnC5so0OykRt-TGhyRapbJoA__&Key-Pair-Id=APKAITJV77WS5ZT7262A,
https://hls-c.udemycdn.com/2020-06-25_14-12-40-d54947f66bb66a48d9c119adf45739ad/1/hls/AVC_1920x1080_800k_AAC-HE_64k/aa0003ab30f349f2a87b8a745d2b648e18161.ts?Expires=1630841672&Signature=bBVrS4brV209hRADZgPnYQICBcXWe6Ed6zwBOFdozjIR1tiuahx3YmPhM8uaxLNRqowALgylen1wQBmdK5bGm~73DQUcUUfGXQU8kIv45CW1DyHDzX-ECR3MDpzSzIYDI8ELbFXK8gmT7ELgtmdkSrL0XO0FXCVAzLrzSw6-0XAZgzBY7tZUncRum5Wb7EhYQgluO2uCquz6HZqaVA9IYoCeFWKFXvU3xE-RBqHXksWkZO01o3UNEEgnzYrRepurcdYY029~6MsHEyj5304pDlefXKrEj8mbZidvhaUKkiIjcoG15jznWPvN3WAewK3zXpLlCYhBMuDL0kOVIq5zjA__&Key-Pair-Id=APKAITJV77WS5ZT7262A,
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https://hls-c.udemycdn.com/2020-06-25_14-12-40-d54947f66bb66a48d9c119adf45739ad/1/hls/AVC_1920x1080_800k_AAC-HE_64k/aa0003ab30f349f2a87b8a745d2b648e18164.ts?Expires=1630841672&Signature=HItA9pW3RiIhf9pFFGm4Y8FmikCPXBfh8gxJVNSLsJ9cuDONLX3n26ZjYO2NaROwsID9YjxwlDuS9jqqe62A7vLPsAjVmL6WvCZ8a22tAihPBPM-qOSWoHS7E~3bSurc9CzkQwlOBvg01~Mjl-E2kvP-hn0FxhTPk1FAE8BrL6DIeGKsBqIdvVgHsJyTi9osDNPG~OtKRKRskAK37QcXidkiLjFMcbX6uqwmcVHEpP30fDj13wBMwx2suuJ27~ICmSH44CHCuRcKujISKbrVjbnsUw4ivA7a72hyybSTDhwZBzjj753FFy0LqSVWVFOJJY1HXEnZ4mpvax9N1lth2Q__&Key-Pair-Id=APKAITJV77WS5ZT7262A,
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https://hls-c.udemycdn.com/2020-06-25_14-12-40-d54947f66bb66a48d9c119adf45739ad/1/hls/AVC_1920x1080_800k_AAC-HE_64k/aa0003ab30f349f2a87b8a745d2b648e181610.ts?Expires=1630841672&Signature=KFxUkMZhteXsl3mSobA5Xg5~PQIztGtmgd~E1g2peja~oHMPNUWE6ihhcOEkO1M6CKXDycegq9~8xv6GqWSrRz5xntTYXNWyRT2-C0W2E79E0Fd1QLndb1~UP1uq~6z-8FbxXLIhHgCzSgaVtPxt8vFqQ1TI-Zd0j0ramKvfWu4iZiZTxEWn5d5Iaaf-LqTdgXWUKqWsr6F0czH7FZh6sI4NVmUAOOD1-sez5ALVr8GBruihB23W5E2yOWtk31KTC-M7TVf1AjwQTJurm~rWka4~~c2lCJ~~o-n~N5p38KdaReZWk2yCqHRYt7pdwpyqIAhosvsVs8Kf5AT2mQV-tQ__&Key-Pair-Id=APKAITJV77WS5ZT7262A,
https://hls-c.udemycdn.com/2020-06-25_14-12-40-d54947f66bb66a48d9c119adf45739ad/1/hls/AVC_1920x1080_800k_AAC-HE_64k/aa0003ab30f349f2a87b8a745d2b648e181611.ts?Expires=1630841672&Signature=AZuneobcwantsOflRrRO4DJzmW0JzqOcDDrB8YKIh~YbL5AuhlZV2OyN6fgUJ0~EVAqRk4h2RpUmZiD4ov8muNu3U-SHp1ksHia3d8cct7Ns485ta87Lb6GqX9yvF3qTNCTT3f5FSQeoKPmGXWPpbzUsdC7TGxNVy8M5IcdqHeoJDrOUeYOqnyQtNDrhWzFsp14YL4RqWBoiz0llpN6w-8QfaeWzCYkT~KxM0UKlPFDzeijXcNJS-tjCxUrT9CnYZ3IfMDvufDCfztd20x37rK1xSln~fuF4PLsMdrfpayY1lSPMgmLP9-~k7SiYth4qSU4CsdgY~1HTZJpUHg2AXQ__&Key-Pair-Id=APKAITJV77WS5ZT7262A,
https://hls-c.udemycdn.com/2020-06-25_14-12-40-d54947f66bb66a48d9c119adf45739ad/1/hls/AVC_1920x1080_800k_AAC-HE_64k/aa0003ab30f349f2a87b8a745d2b648e181612.ts?Expires=1630841672&Signature=Dcl1pJwVlfyN-Lqlq8RruR4t4c3l6Y~hSXPdZyLcspdg16gH-Jk78buQCD2LEniYF6xgXRVRgdLQj26lxiHJi2LiHXHV8~jKQVVrU2lnga9p48M35KdJZheJ~N6f91hsTpHEhYBBSR0TYhRcTMrh1WXstOMW5kHA01nVzq3mOpnHlDFpcHNuTslTAAouqeMXsdY6H4ta15puQcVnvqchOr-7c5dU4ZG14FtHF2WvjnMEWARWDvivOvoqQAqwPQgHm5SxJFw~qyZmIeRUG-TT9i-RXIAzSivg6vKiP2A-AomTOwGW3oFRXKLdMXSMlcd6lmQ7~b7jTi7uNX4Bhup-jQ__&Key-Pair-Id=APKAITJV77WS5ZT7262A,
`

  const urlArr = urlString.split(",")
  let blobArr = [];
  for(let url of urlArr) {
    if(url) {
      try{
        const res = await fetch(url);
        const blob = await res.blob();
        blobArr.push(blob)
      } catch (err) {
        console.log(err)
      }
    }
  }

  const newBlob = new Blob(blobArr)
  const finalFile = new File([newBlob], "test-udemy");
  const a = document.createElement("a")
  const url = URL.createObjectURL(finalFile);
  a.href = url;
  a.download = "test-udemy";
  document.body.appendChild(a);
  a.click();
  setTimeout(function() {
      document.body.removeChild(a);
      window.URL.revokeObjectURL(url);  
  }, 0); 
})()


  


  Unfortunately links will expire soon but I think it is obvious what I am trying to do.

  


  So Is there any way to cancat blobs in JS and create the entire video smoothly like the ffmpeg does ?

  


  Thanks in advance.