convert-audio-to-video-mpeg/index.cjs

A package for converting audio files to video/MPEG format to ensure cross-platform compatibility, especially for Android, iOS, and Safari browsers.

const fs = require('fs');
const path = require('path');
const ffmpeg = require('fluent-ffmpeg');
const ffmpegPath = require('ffmpeg-static');

// Set the ffmpeg path for fluent-ffmpeg to use
ffmpeg.setFfmpegPath(ffmpegPath);

const convertAudioToVideo = async (uploadPath, file) => {
    if (!file) {
        throw new Error('No file found, cannot upload.');
    }

    const fName = file.originalname ? path.parse(file.originalname).name : 'mkaudio';
    const videoPath = path.join(uploadPath, `${fName}.mpeg`); // Define the path for the converted video

    try {
        // Convert the audio to video using ffmpeg
        await new Promise((resolve, reject) => {
            ffmpeg(file?.path)
                .output(videoPath)
                .videoCodec('mpeg2video') // MPEG video codec (mp4 .videoCodec('libx264') )
                .audioCodec('mp2') // MPEG audio codec (mp4 .audioCodec('aac') )
                .on('start', (commandLine) => {
                    console.log('FFmpeg command:', commandLine);  // Log the full ffmpeg command
                })
                .on('error', (err, stdout, stderr) => {
                    console.error('FFmpeg error:', err);
                    console.error('FFmpeg stdout:', stdout);
                    console.error('FFmpeg stderr:', stderr);  // Capture detailed error messages
                    reject(err);
                })
                .on('end', resolve) // Resolve once conversion is done
                .run();
        });

        console.log('Video conversion completed:', videoPath);
        return videoPath;  // Return the path to the converted video file
    } catch (error) {
        throw new Error('Error in conversion: ' + error.message);
    }
};

module.exports = { convertAudioToVideo };