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PDF.js と FFmpeg.wasm を使用してブラウザ内でPDF→MP4変換を行う。 これによりサーバー負荷を軽減し、ファイルサイズ制限を撤廃。 変更内容: - COOP/COEPヘッダーを追加（SharedArrayBuffer有効化のため） - pdfWasmConverter.js: PDF.js + FFmpeg.wasm による変換モジュール - FFmpeg Workerファイルをローカルにホスト（クロスオリジン制約回避） - pdf.js: WASM版の変換処理に更新 - ファイルサイズ32MB制限の表示を削除 - /api/save-movie/: UploadFile形式に変更 Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Why
PDF→動画変換をバックエンドからフロントエンドに移行することで:
What
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🤖 Generated with Claude Code