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import { UIBreak, UIButton, UIInteger, UIPanel, UIProgress, UIRow, UIText } from './libs/ui.js';
import { APP } from './libs/app.js';
function SidebarProjectVideo( editor ) {
const strings = editor.strings;
const container = new UIPanel();
container.setId( 'render' );
// Video
container.add( new UIText( strings.getKey( 'sidebar/project/video' ) ).setTextTransform( 'uppercase' ) );
container.add( new UIBreak(), new UIBreak() );
// Resolution
const resolutionRow = new UIRow();
container.add( resolutionRow );
resolutionRow.add( new UIText( strings.getKey( 'sidebar/project/resolution' ) ).setWidth( '90px' ) );
const videoWidth = new UIInteger( 1024 ).setTextAlign( 'center' ).setWidth( '28px' );
resolutionRow.add( videoWidth );
resolutionRow.add( new UIText( '×' ).setTextAlign( 'center' ).setFontSize( '12px' ).setWidth( '12px' ) );
const videoHeight = new UIInteger( 1024 ).setTextAlign( 'center' ).setWidth( '28px' );
resolutionRow.add( videoHeight );
const videoFPS = new UIInteger( 30 ).setTextAlign( 'center' ).setWidth( '20px' );
resolutionRow.add( videoFPS );
resolutionRow.add( new UIText( 'fps' ).setFontSize( '12px' ) );
// Duration
const videoDurationRow = new UIRow();
videoDurationRow.add( new UIText( strings.getKey( 'sidebar/project/duration' ) ).setWidth( '90px' ) );
const videoDuration = new UIInteger( 10 );
videoDurationRow.add( videoDuration );
container.add( videoDurationRow );
// Render
container.add( new UIText( '' ).setWidth( '90px' ) );
const progress = new UIProgress( 0 );
progress.setDisplay( 'none' );
progress.setWidth( '170px' );
container.add( progress );
const renderButton = new UIButton( strings.getKey( 'sidebar/project/render' ) ).setTextTransform( 'uppercase' );
renderButton.setWidth( '170px' );
renderButton.onClick( async () => {
renderButton.setDisplay( 'none' );
progress.setDisplay( '' );
progress.setValue( 0 );
const player = new APP.Player();
player.load( editor.toJSON() );
player.setPixelRatio( 1 );
player.setSize( videoWidth.getValue(), videoHeight.getValue() );
const canvas = player.dom.firstElementChild;
//
const { createFFmpeg, fetchFile } = FFmpeg; // eslint-disable-line no-undef
const ffmpeg = createFFmpeg( { log: true } );
await ffmpeg.load();
ffmpeg.setProgress( ( { ratio } ) => {
progress.setValue( ( ratio * 0.5 ) + 0.5 );
} );
const fps = videoFPS.getValue();
const duration = videoDuration.getValue();
const frames = duration * fps;
let currentTime = 0;
for ( let i = 0; i < frames; i ++ ) {
player.render( currentTime );
const num = i.toString().padStart( 5, '0' );
ffmpeg.FS( 'writeFile', `tmp.${num}.png`, await fetchFile( canvas.toDataURL() ) );
currentTime += 1 / fps;
progress.setValue( ( i / frames ) * 0.5 );
}
await ffmpeg.run( '-framerate', String( fps ), '-pattern_type', 'glob', '-i', '*.png', '-c:v', 'libx264', '-pix_fmt', 'yuv420p', '-preset', 'slow', '-crf', String( 5 ), 'out.mp4' );
const data = ffmpeg.FS( 'readFile', 'out.mp4' );
for ( let i = 0; i < frames; i ++ ) {
const num = i.toString().padStart( 5, '0' );
ffmpeg.FS( 'unlink', `tmp.${num}.png` );
}
save( new Blob( [ data.buffer ], { type: 'video/mp4' } ), 'out.mp4' );
player.dispose();
renderButton.setDisplay( '' );
progress.setDisplay( 'none' );
} );
container.add( renderButton );
// SAVE
const link = document.createElement( 'a' );
function save( blob, filename ) {
if ( link.href ) {
URL.revokeObjectURL( link.href );
}
link.href = URL.createObjectURL( blob );
link.download = filename;
link.dispatchEvent( new MouseEvent( 'click' ) );
}
//
return container;
}
export { SidebarProjectVideo };