<form id="form"> 音声<input id="audio" type="file" required><br> 画像<input id="image" type="file" required><br> <button id="button">音声と画像から動画を作成する</button> </form> <video id="video" controls></video> <script> form.onsubmit = function(event){ event.preventDefault() button.disabled = true ffmpeg('-y', '-loop', 1, '-i', image.files[0], '-i', audio.files[0], '-pix_fmt', 'yuv420p', '-shortest', 'out.mp4')
![FFmpegを利用して1枚の画像と音声ファイルから動画を作成する - Qiita](https://cdn-ak-scissors.b.st-hatena.com/image/square/2bcec45293bf2f4501c9064f49d62dafc9099797/height=288;version=1;width=512/https%3A%2F%2Fqiita-user-contents.imgix.net%2Fhttps%253A%252F%252Fcdn.qiita.com%252Fassets%252Fpublic%252Farticle-ogp-background-412672c5f0600ab9a64263b751f1bc81.png%3Fixlib%3Drb-4.0.0%26w%3D1200%26mark64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-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%26mark-x%3D142%26mark-y%3D57%26blend64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZoPTc2Jnc9NzcwJnR4dD0lNDBlY29ub21pc3QmdHh0LWNvbG9yPSUyMzIxMjEyMSZ0eHQtZm9udD1IaXJhZ2lubyUyMFNhbnMlMjBXNiZ0eHQtc2l6ZT0zNiZ0eHQtYWxpZ249bGVmdCUyQ3RvcCZzPTBkODc1MGViYWFkN2Q5YjJlMWM4NGRiZWQ4ODM0YzEx%26blend-x%3D142%26blend-y%3D486%26blend-mode%3Dnormal%26s%3D947457a7b87e33e89e3275315c73e94a)