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• IOS ffmpeg Invalid input file index ERROR

  17 octobre 2023, par Mkerse

  I want to combine the images and create a new video. However, ffmpeg "Invalid input file index : 4." even though I did not create 4 inputs. it gives this error. Where am I doing wrong ?

  


  I share the command below

  


  ffmpeg
-loop 1 -t 3.83 -i file:///var/mobile/Media/DCIM/100APPLE/IMG_0301.JPG
-loop 1 -t 3.73 -i file:///var/mobile/Media/DCIM/100APPLE/IMG_0175.JPG
-loop 1 -t 3.73 -i file:///var/mobile/Media/DCIM/100APPLE/IMG_0301.JPG
-loop 1 -t 4.80 -i file:///var/mobile/Media/DCIM/100APPLE/IMG_0175.JPG
-filter_complex 
"[0:v]scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2,setsar=1[v0];
 [1:v]scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2,setsar=1[v1];
 [2:v]scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2,setsar=1[v2];
 [3:v]scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2,setsar=1[v3];
 [v0][v1][v2][v3]concat=n=4:v=1:a=0,format=yuv444p10le[v]" 
-map "[v]" -map 4:a -q:v 0 -vcodec mpeg4 -r 20 -crf 18 -s 1080x1920 -c:a copy -t 16.10 file:///var/mobile/Containers/Data/Application/2268F740-2254-4514-ADD3-F9ACEB13B7CB/Documents/Export.mp4


  


  Even though I expect the command to create a new video, it keeps giving the same error. It worked on Android.

  


• Error : [Error : ENOENT : no such file or directory, open './1695556319341.mp3']

  24 septembre 2023, par James

  I'm trying to convert an mp4 file to an mp3 file and then directly upload it to Firebase storage without saving it locally in my machine, How can I do that currently I'm getting an error when I try to do that the error is "Error : [Error : ENOENT : no such file or directory, open './1695556319341.mp3']" How can i fix this issue with my Node.js code and make things work ?

  


  import { initializeApp } from "firebase/app";
import { getStorage, ref, getDownloadURL, uploadBytesResumable } from "firebase/storage";
import serviceAccount from '../firebase/serviceAccountKey';
import { path as ffmpegPath } from '@ffmpeg-installer/ffmpeg';
import ffmpeg from 'fluent-ffmpeg';
import { readFile, unlink } from 'fs/promises';

initializeApp(serviceAccount);
ffmpeg.setFfmpegPath(ffmpegPath);

async function convertMP4ToMP3AndUploadToFirebase(inputPath: any, firebaseStoragePath: any) {
    const date = Date.now();
    const outputPath = `./${date}.mp3`;

    try {
        await ffmpeg(inputPath)
            .output(outputPath)
            .audioCodec('libmp3lame')
            .format('mp3')
            .run();

        const storage = getStorage();
        const storageRef = ref(storage, firebaseStoragePath);

        const fileBuffer = await readFile(outputPath);
        const metadata = { contentType: 'audio/mpeg' };
        const uploadTask = uploadBytesResumable(storageRef, fileBuffer, metadata);
        const snapshot = await uploadTask;
        const downloadURL = await getDownloadURL(snapshot.ref);
        await unlink(outputPath);

        console.log('MP4 file converted to MP3 and uploaded to Firebase Storage successfully!');
        console.log('Download URL:', downloadURL);
    } catch (error) {
        console.error('Error:', error);
    }
}

const inputPath = './video.mp4';
const date = Date.now();
const firebaseStoragePath = `./${date}.mp3`;

convertMP4ToMP3AndUploadToFirebase(inputPath, firebaseStoragePath);


  


• fluent-ffmpeg error : ffmpeg exited with code 1 : At least one output file must be specified

  18 septembre 2023, par 김동환

  I'm trying to create a simple video from several images on node js.

  


  const ffmpeg = require('fluent-ffmpeg');

ffmpeg().input('input.txt')
.inputOption(["-f concat"])
.outputOptions("-c:v libx264 -r 30 -pix_fmt yuv420p")
.output('output.mp4')
.on('start', (commandLine) => {
console.log(`FFmpeg command: ${commandLine}`);
})
.on('end', () => {
console.log('completed');
}).on('error', (err) => {
console.error('error occurred: ' + err.message);
}).run();


  


  and input.txt is

  


  file 'test1.png'
duration 2
file 'test2.png'
duration 30
file 'test3.png'
duration 4


  


  I don't know why but this code doesn't work. but if i copy and paste the code from $commandLine, it works !!??

  


  PS C:\\Users\\donghwan\\Documents\\GitHub\\create_video\\src\> node test.js
FFmpeg command: ffmpeg -f concat -i input.txt -y -c:v libx264 -r 30 -pix_fmt yuv420p output.mp4
error occurred: ffmpeg exited with code 1: At least one output file must be specified

PS C:\\Users\\donghwan\\Documents\\GitHub\\create_video\\src\> ffmpeg -f concat -i input.txt -y -c:v libx264 -r 30 -pix_fmt yuv420p output.mp4
ffmpeg version 2023-08-20-git-f0b1cab538-full_build-www.gyan.dev Copyright (c) 2000-2023 the FFmpeg developers

and so on...


  


  I'm so confused and i tried to find any other reason for this but i couldn't find anything.