tt.addAudioTrack 异步

tt.addAudioTrack(options);

let systemInfo = tt.getSystemInfoSync();
let canvas = tt.createCanvas(),
  ctx = canvas.getContext("2d");

let recoerderVideoPath;

function mixAudioTrack() {
  const task = tt.addAudioTrack({
    videoPath: recoerderVideoPath, // 录屏后文件的路径
    audioParams: [
      {
        audioPath: "ttfile://user//xx.MP3", // 这里填音频的路径
        audioRange: [0, 10000], // 音乐自身的入点，出点，可以填视频的duration
        videoRange: [0, 10000], // 视频自身的入点，出点。这里表示将音频的前10s，与视频的前10s进行混合。
      },
    ],
    success(res) {
      tt.showModal({
        title: "混合成功",
        content: JSON.stringify(res),
      });
      tt.shareAppMessage({
        channel: "video",
        extra: {
          videoPath: res.videoPath,
        },
        success() {
          tt.showModal({
            title: "分享成功",
          });
        },
        fail(e) {
          tt.showModal({
            title: "分享失败",
          });
        },
      });
    },
    fail(res) {
      tt.showModal({
        title: "混合失败",
        content: JSON.stringify(res),
      });
    },
  });
  task.onProgressUpdate((res) => {
    console.log("progress: " + res.progress);
    tt.showToast({
      title: JSON.stringify(res.progress),
    });
  });
}

tt.onTouchEnd((res) => {
  const recorder = tt.getGameRecorderManager();

  recorder.onStop((res) => {
    console.log(res.videoPath);
    recoerderVideoPath = res.videoPath;
    mixAudioTrack();
  });

  recorder.start();
  setTimeout(() => {
    recorder.stop();
  }, 15000);
});

function draw() {}

draw();