Function exportVideo

public/app.js:282–284

()

}

async function exportVideo() {
  await startExport("/api/export", "Rendering joined video with ffmpeg. Audio will be trimmed and kept in the export.");
}

async function exportCollage() {
  await startExport("/api/export-collage", "Rendering 5-second labelled stitch collage.", { collageSeconds: 5 });