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• How To Specify FFMPEG Input Volume For Multple Input Files

  30 septembre 2014, par gbd

  I have 6 similar/separate audio input files feeding into ffmpeg - no video. I’m mixing the 6 input channels down to a stereo output using amix and that works fine. But now I need to change the volume of each individual input channel before the mix down - or maybe as part of the mix down. I’ve looked at and tried aeval (which seems very slow) in the form

   'aeval=val(0)*volChg1:c=same|val(1)*volChg2:c=same|val(2)*volChg3:c=same|val(3)*volChg4:c=same|val(4)*volChg5:c=same|val(5)*volChg6:c=same'

  but that only seems to change the volume of the first channel.

  So the whole input part of my ffmpeg expression looks something like this right now :

  -i inFilePath1 -i inFilePath2 -i inFilePath3 -i inFilePath4 -i inFilePath5 -i inFilePath6 
  
  -filter_complex 'aeval=val(0)*$volChg1:c=same|val(1)*$volChg2:c=same|val(2)*$volChg3:c=same|val(3)*$volChg4:c=same|val(4)*$volChg5:c=same|val(5)*$volChg6:c=same','amix=inputs=6:duration=longest'

  $volChg1-6 are php variables containing the individual volume multipliers - 0.5 for example should halve the volume of that individual channel while 1.0 would leave it unaffected. How do I do this ?

• FFMPEG issue with concat video made from single image

  12 mai 2023, par Jacob

  I am pulling my hair out right now. I am developing a video editing program. When I export two videos, concat works great. However, when I create a video from a single image (title screen) and try to concat that video with a regular video, only the title screen is exported. And no errors.

  


  Below is the code for creating the title screen :

  


  parameters = "-loop 1 -i " + '"' + video.VideoThumbPath + '"' + " -c:v libx264 -t " + video.TitleDuration.ToString() + " -pix_fmt yuv420p " + vidPath + @"\v" + outputFile.ToString() + ".MP4";


  


  Below is the code for exporting a regular non title screen video :

  


  parameters = "-y -i " + '"' + frames[0].VideoPath + '"' + " -filter_complex " + '"' + @"[0:v]trim=" + frames[0].TimeCode.TotalSeconds + @":" + frames[1].TimeCode.TotalSeconds +
                           @", setpts=PTS-STARTPTS[trimedv0];[trimedv0]yadif," + orientation + @"setsar=1/1, eq=contrast=1:brightness=" + video.Brightness + '"' + " -sn -an -c:v libx264 -preset ultrafast -profile:v baseline -level 3.0 " +
                           @"-pix_fmt yuv420p -f mpegts " + vidPath + @"\v" + outputFile.ToString() + ".MP4";


  


  Below is the code to concat both videos :

  


  parameters = "-probesize 100M -analyzeduration 100M -i concat:" + '"' + concatString + '"' + @" -c:v copy " + '"' + ExportOptions.CompleteDestinationPath + '"';


  


  Like I said, using this code for two MP4 video that were not made from a single image, it works great. If I create a MP4 from a single image with a duration of 5 seconds and concat it with a normal MP4, only the title screen is exported.

  


  Below is the output from FFMPEG. It shows the concat string with 2 videos but only concats the first one.

  


  09:59:32:366    ffmpeg version N-110043-gadb5f7b41f-20230318 Copyright (c) 2000-2023 the FFmpeg developers


  


  09:59:32:366 built with gcc 12.2.0 (crosstool-NG 1.25.0.90_cf9beb1)
09:59:32:366 configuration : —prefix=/ffbuild/prefix —pkg-config-flags=—static —pkg-config=pkg-config —cross-prefix=x86_64-w64-mingw32- —arch=x86_64 —target-os=mingw32 —enable-gpl —enable-version3 —disable-debug —disable-w32threads —enable-pthreads —enable-iconv —enable-libxml2 —enable-zlib —enable-libfreetype —enable-libfribidi —enable-gmp —enable-lzma —enable-fontconfig —enable-libvorbis —enable-opencl —disable-libpulse —enable-libvmaf —disable-libxcb —disable-xlib —enable-amf —enable-libaom —enable-libaribb24 —enable-avisynth —enable-chromaprint —enable-libdav1d —enable-libdavs2 —disable-libfdk-aac —enable-ffnvcodec —enable-cuda-llvm —enable-frei0r —enable-libgme —enable-libkvazaar —enable-libass —enable-libbluray —enable-libjxl —enable-libmp3lame —enable-libopus —enable-librist —enable-libssh —enable-libtheora —enable-libvpx —enable-libwebp —enable-lv2 —disable-libmfx —enable-libvpl —enable-openal —enable-libopencore-amrnb —enable-libopencore-amrwb —enable-libopenh264 —enable-libopenjpeg —enable-libopenmpt —enable-librav1e —enable-librubberband —enable-schannel —enable-sdl2 —enable-libsoxr —enable-libsrt —enable-libsvtav1 —enable-libtwolame —enable-libuavs3d —disable-libdrm —disable-vaapi —enable-libvidstab —enable-vulkan —enable-libshaderc —enable-libplacebo —enable-libx264 —enable-libx265 —enable-libxavs2 —enable-libxvid —enable-libzimg —enable-libzvbi —extra-cflags=-DLIBTWOLAME_STATIC —extra-cxxflags= —extra-ldflags=-pthread —extra-ldexeflags= —extra-libs=-lgomp —extra-version=20230318
09:59:32:366 libavutil 58. 4.100 / 58. 4.100
09:59:32:366 libavcodec 60. 6.101 / 60. 6.101
09:59:32:366 libavformat 60. 4.100 / 60. 4.100
09:59:32:366 libavdevice 60. 2.100 / 60. 2.100
09:59:32:366 libavfilter 9. 4.100 / 9. 4.100
09:59:32:366 libswscale 7. 2.100 / 7. 2.100
09:59:32:366 libswresample 4. 11.100 / 4. 11.100
09:59:32:366 libpostproc 57. 2.100 / 57. 2.100
09:59:32:366 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'concat:C :\Users\JDINES\AppData\Roaming\FCS\VidBin\v1000.MP4|C :\Users\JDINES\AppData\Roaming\FCS\VidBin\v1001.MP4' :
09:59:32:366 Metadata :
09:59:32:366 major_brand : isom
09:59:32:366 minor_version : 512
09:59:32:366 compatible_brands : isomiso2avc1mp41
09:59:32:366 encoder : Lavf60.4.100
09:59:32:366 Duration : 00:00:05.00, start : 0.000000, bitrate : 64102 kb/s
09:59:32:366 Stream #0:00x1 : Video : h264 (High) (avc1 / 0x31637661), yuv420p(tv, unknown/bt709/iec61966-2-1, progressive), 1920x1080 [SAR 1:1 DAR 16:9], 18 kb/s, 30 fps, 30 tbr, 15360 tbn (default)
09:59:32:366 Metadata :
09:59:32:366 handler_name : VideoHandler
09:59:32:366 vendor_id : [0][0][0][0]
09:59:32:366 encoder : Lavc60.6.101 libx264
09:59:32:366 Output #0, mp4, to 'C :\Users\JDINES\Desktop\EXPORT TEST\qwe.MP4' :
09:59:32:366 Metadata :
09:59:32:366 major_brand : isom
09:59:32:366 minor_version : 512
09:59:32:366 compatible_brands : isomiso2avc1mp41
09:59:32:366 encoder : Lavf60.4.100
09:59:32:366 Stream #0:0(und) : Video : h264 (High) (avc1 / 0x31637661), yuv420p(tv, unknown/bt709/iec61966-2-1, progressive), 1920x1080 [SAR 1:1 DAR 16:9], q=2-31, 18 kb/s, 30 fps, 30 tbr, 15360 tbn (default)
09:59:32:366 Metadata :
09:59:32:366 handler_name : VideoHandler
09:59:32:366 vendor_id : [0][0][0][0]
09:59:32:366 encoder : Lavc60.6.101 libx264
09:59:32:366 Stream mapping :
09:59:32:366 Stream #0:0 -> #0:0 (copy)
09:59:32:366 Press [q] to stop, [?] for help
09:59:32:366 frame= 0 fps=0.0 q=-1.0 size= 0kB time=-00:00:00.06 bitrate= -0.0kbits/s speed=N/A
  
frame= 150 fps=0.0 q=-1.0 Lsize= 14kB time=00:00:04.90 bitrate= 23.4kbits/s speed=2e+03x
  
09:59:32:366 video:11kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead : 23.005581%

  


  Any help would be much appreciated !

  


  I figured this out finally !!!

  


  The below code fixed it :

  


  parameters = "-loop 1 -i " + '"' + video.VideoThumbPath + '"' + " -sn -an -c:v libx264 -preset ultrafast -profile:v baseline -level 3.0 " +
                           @"-t 5 -pix_fmt yuv420p -f mpegts " + vidPath + @"\v" + outputFile.ToString() + ".MP4";


  


• 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.