// modules are defined as an array
// [ module function, map of requires ]
//
// map of requires is short require name -> numeric require
//
// anything defined in a previous bundle is accessed via the
// orig method which is the require for previous bundles

(function (
  modules,
  entry,
  mainEntry,
  parcelRequireName,
  externals,
  distDir,
  publicUrl,
  devServer
) {
  /* eslint-disable no-undef */
  var globalObject =
    typeof globalThis !== 'undefined'
      ? globalThis
      : typeof self !== 'undefined'
      ? self
      : typeof window !== 'undefined'
      ? window
      : typeof global !== 'undefined'
      ? global
      : {};
  /* eslint-enable no-undef */

  // Save the require from previous bundle to this closure if any
  var previousRequire =
    typeof globalObject[parcelRequireName] === 'function' &&
    globalObject[parcelRequireName];

  var importMap = previousRequire.i || {};
  var cache = previousRequire.cache || {};
  // Do not use `require` to prevent Webpack from trying to bundle this call
  var nodeRequire =
    typeof module !== 'undefined' &&
    typeof module.require === 'function' &&
    module.require.bind(module);

  function newRequire(name, jumped) {
    if (!cache[name]) {
      if (!modules[name]) {
        if (externals[name]) {
          return externals[name];
        }
        // if we cannot find the module within our internal map or
        // cache jump to the current global require ie. the last bundle
        // that was added to the page.
        var currentRequire =
          typeof globalObject[parcelRequireName] === 'function' &&
          globalObject[parcelRequireName];
        if (!jumped && currentRequire) {
          return currentRequire(name, true);
        }

        // If there are other bundles on this page the require from the
        // previous one is saved to 'previousRequire'. Repeat this as
        // many times as there are bundles until the module is found or
        // we exhaust the require chain.
        if (previousRequire) {
          return previousRequire(name, true);
        }

        // Try the node require function if it exists.
        if (nodeRequire && typeof name === 'string') {
          return nodeRequire(name);
        }

        var err = new Error("Cannot find module '" + name + "'");
        err.code = 'MODULE_NOT_FOUND';
        throw err;
      }

      localRequire.resolve = resolve;
      localRequire.cache = {};

      var module = (cache[name] = new newRequire.Module(name));

      modules[name][0].call(
        module.exports,
        localRequire,
        module,
        module.exports,
        globalObject
      );
    }

    return cache[name].exports;

    function localRequire(x) {
      var res = localRequire.resolve(x);
      return res === false ? {} : newRequire(res);
    }

    function resolve(x) {
      var id = modules[name][1][x];
      return id != null ? id : x;
    }
  }

  function Module(moduleName) {
    this.id = moduleName;
    this.bundle = newRequire;
    this.require = nodeRequire;
    this.exports = {};
  }

  newRequire.isParcelRequire = true;
  newRequire.Module = Module;
  newRequire.modules = modules;
  newRequire.cache = cache;
  newRequire.parent = previousRequire;
  newRequire.distDir = distDir;
  newRequire.publicUrl = publicUrl;
  newRequire.devServer = devServer;
  newRequire.i = importMap;
  newRequire.register = function (id, exports) {
    modules[id] = [
      function (require, module) {
        module.exports = exports;
      },
      {},
    ];
  };

  // Only insert newRequire.load when it is actually used.
  // The code in this file is linted against ES5, so dynamic import is not allowed.
  // INSERT_LOAD_HERE

  Object.defineProperty(newRequire, 'root', {
    get: function () {
      return globalObject[parcelRequireName];
    },
  });

  globalObject[parcelRequireName] = newRequire;

  for (var i = 0; i < entry.length; i++) {
    newRequire(entry[i]);
  }

  if (mainEntry) {
    // Expose entry point to Node, AMD or browser globals
    // Based on https://github.com/ForbesLindesay/umd/blob/master/template.js
    var mainExports = newRequire(mainEntry);

    // CommonJS
    if (typeof exports === 'object' && typeof module !== 'undefined') {
      module.exports = mainExports;

      // RequireJS
    } else if (typeof define === 'function' && define.amd) {
      define(function () {
        return mainExports;
      });
    }
  }
})({"eiaCd":[function(require,module,exports,__globalThis) {
var parcelHelpers = require("@parcel/transformer-js/src/esmodule-helpers.js");
parcelHelpers.defineInteropFlag(exports);
parcelHelpers.export(exports, "default", ()=>artplayerPluginAsr);
var _styleLess = require("bundle-text:./style.less");
var _styleLessDefault = parcelHelpers.interopDefault(_styleLess);
function artplayerPluginAsr(option = {}) {
    const { length = 3, interval = 100, sampleRate = 16000, autoHideTimeout = 10000, onAudioChunk = ()=>null } = option;
    return (art)=>{
        let started = false;
        let audioCtx = null;
        let sourceNode = null;
        let recorderNode = null;
        let gainNode = null;
        let bufferChunks = [];
        let timer = null;
        let workletLoaded = false;
        let hideTimer = null;
        let mediaStream = null;
        let mediaStreamSource = null;
        const $asr = art.layers.add({
            name: 'asr',
            html: ''
        });
        function splitByPunctuation(text) {
            return text// eslint-disable-next-line no-useless-escape
            .split(/(?<=[、。！？!?\.])\s*/u).map((s)=>s.trim()).filter(Boolean).slice(-length);
        }
        function hide() {
            $asr.style.display = 'none';
        }
        function append(subtitle) {
            if (typeof subtitle !== 'string') return;
            clearTimeout(hideTimer);
            hideTimer = setTimeout(hide, autoHideTimeout);
            $asr.style.display = '';
            $asr.innerHTML = splitByPunctuation(subtitle).map((line)=>`<div class="art-asr-line">${line}</div>`).join('');
        }
        const recorderProcessorCode = `
            class RecorderProcessor extends AudioWorkletProcessor {
                process(inputs) {
                    const input = inputs[0];
                    if (input && input[0]) {
                        this.port.postMessage(input[0]);
                    }
                    return true;
                }
            }
            registerProcessor('recorder-processor', RecorderProcessor);
        `;
        const createWorkletBlobUrl = ()=>{
            const blob = new Blob([
                recorderProcessorCode
            ], {
                type: 'application/javascript'
            });
            return URL.createObjectURL(blob);
        };
        function floatTo16BitPCM(float32Array) {
            const len = float32Array.length;
            const buffer = new ArrayBuffer(len * 2);
            const view = new DataView(buffer);
            for(let i = 0; i < len; i++){
                let s = Math.max(-1, Math.min(1, float32Array[i]));
                view.setInt16(i * 2, s < 0 ? s * 0x8000 : s * 0x7fff, true);
            }
            return buffer;
        }
        function pcmToWav(pcmBuffer, sampleRate) {
            const pcmLength = pcmBuffer.byteLength;
            const wavBuffer = new ArrayBuffer(44 + pcmLength);
            const view = new DataView(wavBuffer);
            const writeString = (offset, str)=>{
                for(let i = 0; i < str.length; i++)view.setUint8(offset + i, str.charCodeAt(i));
            };
            writeString(0, 'RIFF');
            view.setUint32(4, 36 + pcmLength, true);
            writeString(8, 'WAVE');
            writeString(12, 'fmt ');
            view.setUint32(16, 16, true);
            view.setUint16(20, 1, true);
            view.setUint16(22, 1, true);
            view.setUint32(24, sampleRate, true);
            view.setUint32(28, sampleRate * 2, true);
            view.setUint16(32, 2, true);
            view.setUint16(34, 16, true);
            writeString(36, 'data');
            view.setUint32(40, pcmLength, true);
            new Uint8Array(wavBuffer).set(new Uint8Array(pcmBuffer), 44);
            return wavBuffer;
        }
        async function setupAudioContext() {
            if (audioCtx) return audioCtx;
            audioCtx = new (window.AudioContext || window.webkitAudioContext)({
                sampleRate
            });
            if (audioCtx.state === 'suspended') await audioCtx.resume();
            return audioCtx;
        }
        async function setupAudioSource() {
            if (!sourceNode && art.video) try {
                sourceNode = audioCtx.createMediaElementSource(art.video);
                return sourceNode;
            } catch (err) {
                console.warn('[artplayerPluginAsr] Direct connection failed:', err);
            }
            try {
                if (!mediaStream) mediaStream = await captureAudioFromVideo(art.video);
                if (mediaStream) {
                    mediaStreamSource = audioCtx.createMediaStreamSource(mediaStream);
                    return mediaStreamSource;
                }
            } catch (err) {
                console.warn('[artplayerPluginAsr] MediaStream fallback failed:', err);
            }
            return null;
        }
        async function captureAudioFromVideo(videoElement) {
            try {
                if (videoElement.captureStream) return videoElement.captureStream();
                if (videoElement.mozCaptureStream) return videoElement.mozCaptureStream();
                console.warn('[artplayerPluginAsr] captureStream not supported');
                return null;
            } catch (err) {
                console.warn('[artplayerPluginAsr] Error capturing stream:', err);
                return null;
            }
        }
        async function startCapture() {
            if (started) return;
            try {
                await setupAudioContext();
                const audioSource = await setupAudioSource();
                if (!audioSource) throw new Error('Could not establish audio source');
                if (!workletLoaded) {
                    const blobUrl = createWorkletBlobUrl();
                    await audioCtx.audioWorklet.addModule(blobUrl);
                    URL.revokeObjectURL(blobUrl);
                    workletLoaded = true;
                }
                gainNode = audioCtx.createGain();
                gainNode.gain.value = 1;
                recorderNode = new AudioWorkletNode(audioCtx, 'recorder-processor');
                recorderNode.port.onmessage = (event)=>{
                    bufferChunks.push(new Float32Array(event.data));
                };
                audioSource.connect(recorderNode);
                audioSource.connect(gainNode);
                gainNode.connect(audioCtx.destination);
                const CHUNK_SAMPLES = sampleRate * (interval / 1000);
                timer = setInterval(async ()=>{
                    if (bufferChunks.length === 0) return;
                    let accumulated = new Float32Array(0);
                    while(accumulated.length < CHUNK_SAMPLES && bufferChunks.length){
                        const next = bufferChunks.shift();
                        const tmp = new Float32Array(accumulated.length + next.length);
                        tmp.set(accumulated, 0);
                        tmp.set(next, accumulated.length);
                        accumulated = tmp;
                    }
                    if (accumulated.length < CHUNK_SAMPLES) return;
                    const chunkToSend = accumulated.slice(0, CHUNK_SAMPLES);
                    const pcm = floatTo16BitPCM(chunkToSend);
                    const wav = pcmToWav(pcm, sampleRate);
                    const subtitle = await onAudioChunk({
                        pcm,
                        wav
                    });
                    append(subtitle);
                }, interval);
                started = true;
            } catch (err) {
                console.error('[artplayerPluginAsr] Initialization failed:', err);
                await stopCapture();
            }
        }
        async function stopCapture() {
            if (!started) return;
            started = false;
            clearInterval(timer);
            timer = null;
            if (recorderNode) {
                recorderNode.disconnect();
                recorderNode.port.onmessage = null;
                recorderNode = null;
            }
            if (gainNode) {
                gainNode.disconnect();
                gainNode = null;
            }
            bufferChunks = [];
        }
        async function destroy() {
            await stopCapture();
            if (mediaStreamSource) {
                mediaStreamSource.disconnect();
                mediaStreamSource = null;
            }
            if (sourceNode) {
                sourceNode.disconnect();
                sourceNode = null;
            }
            if (mediaStream) {
                mediaStream.getTracks().forEach((track)=>track.stop());
                mediaStream = null;
            }
            if (audioCtx) {
                await audioCtx.close();
                audioCtx = null;
            }
            workletLoaded = false;
        }
        art.on('video:volumechange', ()=>{
            if (gainNode) gainNode.gain.value = art.volume;
        });
        art.on('play', startCapture);
        art.on('pause', stopCapture);
        art.on('destroy', destroy);
        return {
            name: 'artplayerPluginAsr',
            stop: destroy,
            hide,
            append
        };
    };
}
if (typeof document !== 'undefined') {
    if (!document.getElementById('artplayer-plugin-asr')) {
        const $style = document.createElement('style');
        $style.id = 'artplayer-plugin-asr';
        $style.textContent = (0, _styleLessDefault.default);
        document.head.appendChild($style);
    }
}
if (typeof window !== 'undefined') window['artplayerPluginAsr'] = artplayerPluginAsr;

},{"bundle-text:./style.less":"enAJa","@parcel/transformer-js/src/esmodule-helpers.js":"8oCsH"}],"enAJa":[function(require,module,exports,__globalThis) {
module.exports = ".art-video-player .art-layer-asr {\n  z-index: 150;\n  justify-content: end;\n  gap: var(--art-subtitle-gap);\n  padding: 0 2%;\n  padding-bottom: var(--art-subtitle-bottom);\n  transition: padding-bottom var(--art-transition-duration) ease;\n  text-shadow: var(--art-subtitle-border) 1px 0 1px, var(--art-subtitle-border) 0 1px 1px, var(--art-subtitle-border) -1px 0 1px, var(--art-subtitle-border) 0 -1px 1px, var(--art-subtitle-border) 1px 1px 1px, var(--art-subtitle-border) -1px -1px 1px, var(--art-subtitle-border) 1px -1px 1px, var(--art-subtitle-border) -1px 1px 1px;\n  flex-direction: column;\n  font-size: 1rem;\n  display: flex;\n  position: absolute;\n  inset: 0;\n  pointer-events: none !important;\n}\n\n.art-video-player.art-control-show .art-layer-asr {\n  padding-bottom: calc(var(--art-control-height)  + var(--art-subtitle-bottom));\n}\n";

},{}],"8oCsH":[function(require,module,exports,__globalThis) {
exports.interopDefault = function(a) {
    return a && a.__esModule ? a : {
        default: a
    };
};
exports.defineInteropFlag = function(a) {
    Object.defineProperty(a, '__esModule', {
        value: true
    });
};
exports.exportAll = function(source, dest) {
    Object.keys(source).forEach(function(key) {
        if (key === 'default' || key === '__esModule' || Object.prototype.hasOwnProperty.call(dest, key)) return;
        Object.defineProperty(dest, key, {
            enumerable: true,
            get: function() {
                return source[key];
            }
        });
    });
    return dest;
};
exports.export = function(dest, destName, get) {
    Object.defineProperty(dest, destName, {
        enumerable: true,
        get: get
    });
};

},{}]},["eiaCd"], "eiaCd", "parcelRequire4dc0", {})

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