union-question-web/src/plugins/tts/audioPlayer.esm.js

function t(t, a, i) {
  for (var o = 0; o < i.length; o++) t.setUint8(a + o, i.charCodeAt(o));
}
function a(a, i, o) {
  var e = (function (a, i, o, e, s) {
    var u = a.reduce(function (t, a) {
        return t + a.byteLength;
      }, 0),
      n = new ArrayBuffer(44 + u),
      r = new DataView(n),
      h = o,
      d = 0;
    return (
      t(r, d, "RIFF"),
      (d += 4),
      r.setUint32(d, 36 + u, !0),
      t(r, (d += 4), "WAVE"),
      t(r, (d += 4), "fmt "),
      (d += 4),
      r.setUint32(d, 16, !0),
      (d += 4),
      r.setUint16(d, 1, !0),
      (d += 2),
      r.setUint16(d, h, !0),
      (d += 2),
      r.setUint32(d, i, !0),
      (d += 4),
      r.setUint32(d, h * i * (e / 8), !0),
      (d += 4),
      r.setUint16(d, h * (e / 8), !0),
      (d += 2),
      r.setUint16(d, e, !0),
      t(r, (d += 2), "data"),
      (d += 4),
      r.setUint32(d, u, !0),
      (d += 4),
      a.forEach(function (t) {
        for (var a = new DataView(t.buffer), i = 0; i < t.byteLength; )
          r.setUint8(d, a.getUint8(i)), d++, i++;
      }),
      r
    );
  })(a, i || 16e3, 1, o || 16);
  return new Blob([e], { type: "audio/wav" });
}
var i = (function () {
  function t(t) {
    (this.toSampleRate = 22050),
      (this.resumePlayDuration = 1e3),
      (this.fromSampleRate = 16e3),
      (this.isAudioDataEnded = !1),
      (this.status = "uninit"),
      (this.audioDatas = []),
      (this.pcmAudioDatas = []),
      (this.audioDataOffset = 0),
      // (this.processor = new Worker("".concat(t, "/processor.worker.js")));
      (this.processor = new Worker("/admin/processor.worker.js"));
  }
  return (
    (t.prototype.postMessage = function (t) {
      var a = t.type,
        i = t.data,
        o = t.isLastData;
      "uninit" !== this.status &&
        (this.processor.postMessage({ type: a, data: i }),
        (this.isAudioDataEnded = o));
    }),
    (t.prototype.playAudio = function () {
      var t = this;
      if ((clearTimeout(this.playAudioTime), this.audioContext)) {
        for (
          var a = 0, i = this.audioDataOffset;
          i < this.audioDatas.length;
          i++
        )
          a += this.audioDatas[i].length;
        if (!a)
          return void (
            "play" === this.status &&
            (this.isAudioDataEnded || this.resumePlayDuration <= 0
              ? this.stop()
              : (this.playAudioTime = setTimeout(function () {
                  t.playAudio();
                }, this.resumePlayDuration)))
          );
        for (
          var o = this.audioContext.createBuffer(1, a, this.toSampleRate),
            e = o.getChannelData(0),
            s = this.audioDatas[this.audioDataOffset],
            u = 0;
          s;

        ) {
          if (((this.audioDataOffset += 1), o.copyToChannel))
            o.copyToChannel(s, 0, u), (u += s.length);
          else for (i = 0; i < s.length; i++) e[i] = s[i];
          s = this.audioDatas[this.audioDataOffset];
        }
        var n = this.audioContext.createBufferSource();
        (this.bufferSource = n),
          (n.buffer = o),
          n.connect(this.audioContext.destination),
          n.start(),
          (n.onended = function (a) {
            "play" === t.status &&
              (t.audioDatas.length
                ? t.playAudio()
                : t.isAudioDataEnded || t.resumePlayDuration <= 0
                ? t.stop()
                : (t.playAudioTime = setTimeout(function () {
                    t.playAudio();
                  }, t.resumePlayDuration)));
          });
      }
    }),
    (t.prototype.reset = function () {
      var t;
      (this.processor.onmessage = null),
        (this.audioDataOffset = 0),
        (this.audioDatas = []),
        (this.pcmAudioDatas = []),
        (this.status = "uninit"),
        (this.isAudioDataEnded = !1),
        clearTimeout(this.playAudioTime);
      try {
        null === (t = this.bufferSource) || void 0 === t || t.stop();
      } catch (t) {
        console.log(t);
      }
    }),
    (t.prototype.start = function (t) {
      var a = this,
        i = void 0 === t ? {} : t,
        o = i.autoPlay,
        e = void 0 === o || o,
        s = i.sampleRate,
        u = void 0 === s ? 16e3 : s,
        n = i.resumePlayDuration,
        r = void 0 === n ? 1e3 : n;
      this.reset(), (this.status = "init"), (this.resumePlayDuration = r);
      var h = u,
        d = Math.max(h, 22050);
      (d = Math.min(d, 96e3)),
        (this.fromSampleRate = h),
        (this.toSampleRate = d),
        this.processor.postMessage({
          type: "init",
          data: { fromSampleRate: h, toSampleRate: d },
        }),
        (this.processor.onmessage = function (t) {
          // console.log("processor.onmessage");
          // console.log(t.data);
          var i = t.data,
            o = i.audioData,
            s = i.pcmAudioData;
          a.audioDatas.push(o),
            a.pcmAudioDatas.push(s),
            1 === a.audioDatas.length && e && "init" === a.status && a.play();
        });
    }),
    (t.prototype.play = function () {
      var t;
      this.audioContext ||
        ((this.audioContext = new (window.AudioContext ||
          window.webkitAudioContext)()),
        this.audioContext.resume()),
        this.audioContext &&
          ((this.status = "play"),
          null === (t = this.onPlay) || void 0 === t || t.call(this),
          this.playAudio());
    }),
    (t.prototype.stop = function () {
      var t, a;
      (this.audioDataOffset = 0),
        (this.status = "stop"),
        clearTimeout(this.playAudioTime);
      try {
        null === (t = this.bufferSource) || void 0 === t || t.stop(),
          null === (a = this.onStop) ||
            void 0 === a ||
            a.call(this, this.audioDatas);
      } catch (t) {
        console.log(t);
      }
    }),
    (t.prototype.getAudioDataBlob = function (t) {
      // console.log("processor.getAudioDataBlob");
      var i, o;
      if (null === (i = this.pcmAudioDatas) || void 0 === i ? void 0 : i.length)
        return "wav" === t
          ? a(this.pcmAudioDatas, this.fromSampleRate, 16)
          : ((o = this.pcmAudioDatas), new Blob(o, { type: "audio/pcm" }));
    }),
    t
  );
})();
export { i as default };