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• What type file to pass to FFMPEG::Movie.new(file) in the gem ffmpeg (heroku)

  31 août 2020, par AlbertMunichMar

  I have a Rails app hosted in Heroku. I am using the gem ffmpeg to record screenshots.

  


  I get a video from a React App in my controller :

  


  video = params[:video].tempfile
# #tmp/RackMultipart20200831-4-zgw094.mp4>


  


  I try to pass this object, but does not work :

  


  Errno::ENOENT (No such file or directory - the ffprobe binary could not be found in /app/vendor/bundle/ruby/2.5.0/bin:/app/bin:/app/vendor/bundle/bin:/usr/local/bin:/usr/bin:/bin):


  


  I thought it should worked, since FFMPEG::Movie.new(file) is asking for the path, and I am providing it :

  


  Parameters: {"video"=>#, @original_filename="89.mp4", @content_type="video/mp4", @headers="Content-Disposition: form-data; name=\"video\"; filename=\"89.mp4\"\r\nContent-Type: video/mp4\r\n">}


  


  see : tmp/RackMultipart20200831-4-q2yi74.mp4>. This is the temp path right ?

  


  Maybe it's looking for the file in the wrong path, but how can I specify it ?

  


  I also tried :

  


  File.open(video, 'r') do |file|
  FFMPEG::Movie.new(file.path)
end


  


  But also wrong path. Could someone help me ?

  


  Buildpack is installed in heroku.

  


  I used the CLI installation :

  


  heroku create --buildpack https://github.com/FFmpeg/FFmpeg.git


  


  With following output :

  


  remote: -----> ffmpeg app detected
remote: -----> Install ffmpeg
remote:        DOWNLOAD_URL =  https://johnvansickle.com/ffmpeg/builds/ffmpeg-git-amd64-static.tar.xz
remote:        exporting PATH
remote: -----> Discovering process types
remote:        Procfile declares types -> (none)


  


  It seems to be installed.

  


  But I keep getting this error :

  


  2020-08-31T15:56:24.157721+00:00 heroku[router]: at=error code=H14 desc="No web processes running" method=POST path="/nodes" host=wikisalsaapi.herokuapp.com request_id=35e23352-005a-4178-bda1-0bed65885c0d fwd="46.128.35.112" dyno= connect= service= status=503 bytes= protocol=https
2020-08-31T15:57:08.000000+00:00 app[api]: Build started by user albert.montolio@gmail.com
2020-08-31T15:57:31.843422+00:00 app[api]: Deploy 038e1b47 by user albert.montolio@gmail.com
2020-08-31T15:57:31.843422+00:00 app[api]: Release v76 created by user albert.montolio@gmail.com
2020-08-31T15:57:34.000000+00:00 app[api]: Build succeeded
2020-08-31T15:58:37.767157+00:00 heroku[router]: at=error code=H14 desc="No web processes running" method=POST path="/nodes" host=wikisalsaapi.herokuapp.com request_id=365fe1a2-091e-479a-b9b6-02c0b70ed754 fwd="46.128.35.112" dyno= connect= service= status=503 bytes= protocol=https


  


• ffmpeg : error reading header pipe:0 : Invalid argument

  25 février 2021, par Дмитрий Бондаренко

  I need microservice (converter audio using streams), but have problem with ffmpeg

  


  my test ffmpeg

  


  package codec

import (
    "bytes"
    "os"
    "os/exec"
    "testing"
)

func Test1(t *testing.T) {
    in, err := os.Open("/mp4-mp3/src.m4a")
    if err != nil {
        t.Fatal(err.Error())
    }
    out, err := os.OpenFile("/mp4-mp3/out.mp3", os.O_RDWR|os.O_CREATE, 0666)
    if err != nil {
        t.Fatal(err.Error())
    }
    cmd := exec.Command(
        "ffmpeg",
        "-f", "m4a",
        "-i", "pipe:0",
        "-f", "mp3",
        "pipe:1")

    cmd.Stdin = in
    cmd.Stdout = out
    stderr := &bytes.Buffer{}
    cmd.Stderr = stderr
    if err := cmd.Run(); err != nil {
        t.Logf(stderr.String())
        t.Fatal(err.Error())
    }

}



  


  At the exit, I have the error invalid argument
i tried different options but the problem didn't change

  


  === RUN   Test1
    codec_test.go:31: ffmpeg version git-2020-08-31-4a11a6f Copyright (c) 2000-2020 the FFmpeg developers
          built with gcc 10.2.1 (GCC) 20200805
          configuration: hide...
          libavutil      56. 58.100 / 56. 58.100
          libavcodec     58.101.101 / 58.101.101
          libavformat    58. 51.101 / 58. 51.101
          libavdevice    58. 11.101 / 58. 11.101
          libavfilter     7. 87.100 /  7. 87.100
          libswscale      5.  8.100 /  5.  8.100
          libswresample   3.  8.100 /  3.  8.100
          libpostproc    55.  8.100 / 55.  8.100
        [mov,mp4,m4a,3gp,3g2,mj2 @ 0000019ccc3acb40] error reading header
        pipe:0: Invalid argument
    codec_test.go:32: exit status 1
--- FAIL: Test1 (0.07s)
FAIL

Process finished with exit code 1


  


  i decided to use cmd, but i have new problem
pipe:0 : Invalid data found when processing input

  


  cat src.m4a | ffmpeg -f m4a -i pipe:0 out.mp3
ffmpeg version git-2020-08-31-4a11a6f Copyright (c) 2000-2020 the FFmpeg developers
  built with gcc 10.2.1 (GCC) 20200805
  configuration: hide...
  libavutil      56. 58.100 / 56. 58.100
  libavcodec     58.101.101 / 58.101.101
  libavformat    58. 51.101 / 58. 51.101
  libavdevice    58. 11.101 / 58. 11.101
  libavfilter     7. 87.100 /  7. 87.100
  libswscale      5.  8.100 /  5.  8.100
  libswresample   3.  8.100 /  3.  8.100
  libpostproc    55.  8.100 / 55.  8.100
[mov,mp4,m4a,3gp,3g2,mj2 @ 0000019afa98d800] invalid STSD entries 1
[mov,mp4,m4a,3gp,3g2,mj2 @ 0000019afa98d800] error reading header
pipe:0: Invalid data found when processing input



  


  How to properly set ffmpeg parameters to convert from stream to stream ?

  


• 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.