demo/index.html

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>canvas2video demo</title>
    <style>
      * {
        padding: 0;
        margin: 0;
      }
      #container {
        width: 300px;
        height: 300px;
      }
    </style>
    <script src="https://unpkg.com/spritejs@3.4.24/dist/spritejs.min.js"></script>
  </head>
  <body>
    <div style="width: 300px; margin: auto;">
      <h1>canvas2video(webm)</h1>
      <div id="container"></div>
      <div id="videoContainer" style="display: none;">
        <h2>视频</h2>
        <video
          width="300"
          height="300"
          controls="true"
          autoplay="true"
          id="video"
        ></video>
      </div>
    </div>
    <script src="../dist/canvas2video.js"></script>
    <script src="https://unpkg.com/@ffmpeg/ffmpeg/dist/ffmpeg.min.js"></script>
    <script>
      const { Scene, Label, Group } = spritejs;
      const container = document.getElementById("container");
      const scene = new Scene({
        container,
        width: 300,
        height: 300,
      });

      const fglayer = scene.layer("fglayer", {
        bgcolor: 'red'
      });
      // fglayer.canvas.style.backgroundColor = "#3f097a";

      const group = new Group();
      group.attr({
        pos: [150, 150],
      });

      fglayer.append(group);

      const text1 = new Label("Hello World !");

      text1.attr({
        anchor: [0.5, 0.5],
        font: "bold 24px Arial",
        fillColor: "#ffdc45",
      });

      const text2 = new Label("SpriteJS.org");
      text2.attr({
        anchor: [0.5, 0.5],
        y: 60,
        font: "bold 24px Arial",
        fillColor: "#ffdc45",
      });

      group.animate(
        [
          { scale: 1.5, rotate: -30 },
          { scale: 1, rotate: 0 },
          { scale: 1.5, rotate: 30 },
        ],
        {
          duration: 3000,
          iterations: Infinity,
          direction: "alternate",
        }
      );

      group.append(text1, text2);
    </script>
    <script>
      const canvas2videoInstance = new Canvas2Video({
        canvas: document.querySelector("canvas"),
        outVideoType: "webm",
      });
      canvas2videoInstance.startRecord();

      setTimeout(() => {
        canvas2videoInstance.stopRecord();
      }, 3000);
      canvas2videoInstance
        .getStreamURL()
        .then((url) => {
          console.log("url", url);
          document.querySelector("#videoContainer").style.display = "block";
          document.querySelector("video").src = url;
        })
        .catch((err) => console.error(err));
    </script>
  </body>
</html>