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const sampleTimelineElements = [
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{
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id: '1',
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type: 'video',
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source_webm: 'https://cdn.memeaigen.com/g1/webm/they-not-like-us-oiia-cat-version.webm',
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source_mov: 'https://cdn.memeaigen.com/g1/mov/they-not-like-us-oiia-cat-version.mov',
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poster: 'https://cdn.memeaigen.com/g1/webp/they-not-like-us-oiia-cat-version.webp',
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name: 'They not like us cat',
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startTime: 0,
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layer: 0,
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inPoint: 0,
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duration: 5,
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x: 50,
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y: 50,
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width: 300,
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height: 200,
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},
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{
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id: '2',
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type: 'video',
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source_webm: 'https://cdn.memeaigen.com/g1/webm/sad-cat.webm',
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source_mov: 'https://cdn.memeaigen.com/g1/mov/sad-cat.mov',
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poster: 'https://cdn.memeaigen.com/g1/webp/sad-cat.webp',
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name: 'Sad cat meme',
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startTime: 6,
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layer: 0,
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inPoint: 2,
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duration: 4,
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x: 100,
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y: 100,
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width: 250,
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height: 150,
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},
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{
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id: '3',
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type: 'video',
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source_webm: 'https://cdn.memeaigen.com/g1/webm/este-cat-dance.webm',
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source_mov: 'https://cdn.memeaigen.com/g1/mov/este-cat-dance.mov',
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poster: 'https://cdn.memeaigen.com/g1/webp/este-cat-dance.webp',
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name: 'Este cat dance',
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startTime: 2,
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layer: 1,
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inPoint: 1,
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duration: 6,
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x: 200,
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y: 200,
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width: 280,
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height: 180,
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},
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{
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id: '4',
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type: 'text',
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text: 'Welcome to the Timeline!',
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startTime: 1,
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layer: 2,
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duration: 3,
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x: 50,
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y: 600,
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fontSize: 24,
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fill: 'white',
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stroke: 'black',
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strokeWidth: 1,
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},
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{
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id: '5',
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type: 'text',
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text: 'Multiple videos playing!',
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startTime: 3,
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layer: 3,
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duration: 4,
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x: 50,
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y: 650,
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fontSize: 20,
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fill: 'yellow',
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stroke: 'red',
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strokeWidth: 2,
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},
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];
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export default sampleTimelineElements;
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234
resources/js/modules/editor/partials/canvas/video-export.jsx
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234
resources/js/modules/editor/partials/canvas/video-export.jsx
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import { FFmpeg } from '@ffmpeg/ffmpeg';
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import { fetchFile, toBlobURL } from '@ffmpeg/util';
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import { useCallback, useMemo, useRef, useState } from 'react';
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const useVideoExport = ({ timelineElements, dimensions, totalDuration }) => {
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const ffmpegRef = useRef(new FFmpeg());
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const [isExporting, setIsExporting] = useState(false);
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const [exportProgress, setExportProgress] = useState(0);
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const [exportStatus, setExportStatus] = useState('');
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const generateFFmpegCommand = useCallback(
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(is_string = true, useLocalFiles = false) => {
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console.log('🎬 STARTING FFmpeg generation');
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const videos = timelineElements.filter((el) => el.type === 'video');
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const texts = timelineElements.filter((el) => el.type === 'text');
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console.log('Videos found:', videos.length);
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if (videos.length === 0) {
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if (is_string) {
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return 'ffmpeg -f lavfi -i color=black:size=450x800:duration=1 -c:v libx264 -t 1 output.mp4';
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} else {
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return ['-f', 'lavfi', '-i', 'color=black:size=450x800:duration=1', '-c:v', 'libx264', '-t', '1', 'output.mp4'];
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}
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}
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let inputArgs = [];
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videos.forEach((v, i) => {
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inputArgs.push('-i');
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inputArgs.push(useLocalFiles ? `input${i}.webm` : v.source);
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});
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let filters = [];
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filters.push(`color=black:size=${dimensions.width}x${dimensions.height}:duration=${totalDuration}[base]`);
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let videoLayer = 'base';
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videos.forEach((v, i) => {
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filters.push(`[${i}:v]trim=start=${v.inPoint}:duration=${v.duration},setpts=PTS-STARTPTS[v${i}_trim]`);
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filters.push(`[v${i}_trim]scale=${Math.round(v.width)}:${Math.round(v.height)}[v${i}_scale]`);
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filters.push(
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`[${videoLayer}][v${i}_scale]overlay=${Math.round(v.x)}:${Math.round(v.y)}:enable='between(t,${v.startTime},${
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v.startTime + v.duration
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})'[v${i}_out]`,
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);
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videoLayer = `v${i}_out`;
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});
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console.log('🎵 PROCESSING AUDIO FOR', videos.length, 'VIDEOS');
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let audioOutputs = [];
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videos.forEach((v, i) => {
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const delay = Math.round(v.startTime * 1000);
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console.log(`🎵 Audio ${i}: delay=${delay}ms, inPoint=${v.inPoint}, duration=${v.duration}`);
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filters.push(`[${i}:a]atrim=start=${v.inPoint}:duration=${v.duration},asetpts=PTS-STARTPTS,adelay=${delay}|${delay}[a${i}]`);
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audioOutputs.push(`[a${i}]`);
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});
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let audioArgs = [];
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if (audioOutputs.length === 1) {
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filters.push(`[a0]apad=pad_dur=${totalDuration}[audio_final]`);
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audioArgs = ['-map', '[audio_final]', '-c:a', 'aac'];
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} else if (audioOutputs.length > 1) {
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filters.push(`${audioOutputs.join('')}amix=inputs=${audioOutputs.length}:duration=longest[audio_final]`);
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audioArgs = ['-map', '[audio_final]', '-c:a', 'aac'];
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}
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console.log('🎵 Audio args:', audioArgs);
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texts.forEach((t, i) => {
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const escapedText = t.text.replace(/'/g, is_string ? "\\'" : "'").replace(/:/g, '\\:');
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filters.push(
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`[${videoLayer}]drawtext=fontfile=/arial.ttf:text='${escapedText}':x=${Math.round(
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t.x,
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)}:y=${Math.round(t.y)}:fontsize=${t.fontSize}:fontcolor=${t.fill}:borderw=${t.strokeWidth}:bordercolor=${
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t.stroke
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}:enable='between(t,${t.startTime},${t.startTime + t.duration})'[t${i}]`,
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);
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videoLayer = `t${i}`;
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});
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const filterComplex = filters.join('; ');
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console.log('🎵 Filter includes atrim:', filterComplex.includes('atrim'));
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const finalArgs = [
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...inputArgs,
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'-filter_complex',
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filterComplex,
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'-map',
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`[${videoLayer}]`,
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...audioArgs,
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'-c:v',
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'libx264',
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'-pix_fmt',
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'yuv420p',
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'-r',
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'30',
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'-t',
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totalDuration.toString(),
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'output.mp4',
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];
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if (is_string) {
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const inputs = videos.map((v, i) => `-i "${useLocalFiles ? `input${i}.webm` : v.source}"`).join(' ');
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const audioMap = audioArgs.length > 0 ? ` ${audioArgs.join(' ')}` : '';
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const command = `ffmpeg ${inputs} -filter_complex "${filterComplex}" -map "[${videoLayer}]"${audioMap} -c:v libx264 -pix_fmt yuv420p -r 30 -t ${totalDuration} output.mp4`;
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console.log('🎵 FINAL COMMAND HAS AUDIO:', command.includes('atrim') && command.includes('audio_final'));
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return command;
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} else {
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console.log('🎵 FINAL ARGS HAVE AUDIO:', finalArgs.includes('atrim') && finalArgs.includes('audio_final'));
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return finalArgs;
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}
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},
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[timelineElements, dimensions, totalDuration],
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);
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const ffmpegCommand = useMemo(() => {
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return generateFFmpegCommand(true, false);
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}, [generateFFmpegCommand]);
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const copyFFmpegCommand = useCallback(() => {
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console.log('🎬 FFMPEG COMMAND GENERATED:');
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console.log('Command:', ffmpegCommand);
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navigator.clipboard.writeText(ffmpegCommand);
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}, [ffmpegCommand]);
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const exportVideo = async () => {
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setIsExporting(true);
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setExportProgress(0);
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setExportStatus('Starting export...');
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try {
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setExportStatus('Loading FFmpeg...');
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const ffmpeg = new FFmpeg();
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ffmpeg.on('progress', ({ progress }) => {
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setExportProgress(Math.round(progress * 100));
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});
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ffmpeg.on('log', ({ message }) => {
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console.log(message);
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});
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const baseURL = 'https://unpkg.com/@ffmpeg/core@0.12.6/dist/esm';
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const coreURL = `${baseURL}/ffmpeg-core.js`;
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const wasmURL = `${baseURL}/ffmpeg-core.wasm`;
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console.log('Converting JS coreURL...');
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const coreBlobURL = await toBlobURL(coreURL, 'text/javascript');
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console.log('JS coreURL ready:', coreBlobURL);
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console.log('Converting WASM URL...');
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const wasmBlobURL = await toBlobURL(wasmURL, 'application/wasm');
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console.log('WASM URL ready:', wasmBlobURL);
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console.log('Calling ffmpeg.load...');
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await ffmpeg.load({
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coreURL: coreBlobURL,
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wasmURL: wasmBlobURL,
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});
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console.log('FFmpeg loaded!');
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setExportProgress(20);
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setExportStatus('Loading font...');
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await ffmpeg.writeFile('arial.ttf', await fetchFile('https://raw.githubusercontent.com/ffmpegwasm/testdata/master/arial.ttf'));
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console.log('Font loaded!');
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setExportProgress(30);
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setExportStatus('Downloading videos...');
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const videos = timelineElements.filter((el) => el.type === 'video');
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for (let i = 0; i < videos.length; i++) {
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await ffmpeg.writeFile(`input${i}.webm`, await fetchFile(videos[i].source));
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setExportProgress(30 + Math.round(((i + 1) / videos.length) * 30));
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}
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setExportStatus('Processing video...');
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let args = generateFFmpegCommand(false, true);
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setExportProgress(70);
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await ffmpeg.exec(args);
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setExportStatus('Downloading...');
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setExportProgress(90);
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const fileData = await ffmpeg.readFile('output.mp4');
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const data = new Uint8Array(fileData);
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const blob = new Blob([data.buffer], { type: 'video/mp4' });
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const url = URL.createObjectURL(blob);
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const link = document.createElement('a');
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link.href = url;
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link.download = 'exported_video.mp4';
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link.click();
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URL.revokeObjectURL(url);
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setExportProgress(100);
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setExportStatus('Complete!');
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ffmpeg.terminate();
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} catch (error) {
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console.error('Export error:', error);
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setExportStatus(`Failed: ${error.message}`);
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} finally {
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setTimeout(() => {
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setIsExporting(false);
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setExportStatus('');
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setExportProgress(0);
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}, 3000);
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}
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};
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return {
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// State
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isExporting,
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exportProgress,
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exportStatus,
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ffmpegCommand,
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// Functions
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copyFFmpegCommand,
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exportVideo,
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generateFFmpegCommand,
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};
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};
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export default useVideoExport;
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Reference in New Issue
Block a user