/*!
 * artplayer-plugin-asr.js v2.1.0
 * Github: https://github.com/zhw2590582/ArtPlayer
 * (c) 2017-2026 Harvey Zhao
 * Released under the MIT License.
 */
!function(t,e){"object"===typeof exports&&"undefined"!==typeof module?module.exports=e():"function"==typeof define&&define.amd?(t.artplayerPluginAsr=e(),define(function(){return t.artplayerPluginAsr})):(t="undefined"!==typeof globalThis?globalThis:t||self).artplayerPluginAsr=e()}(this,function(){"use strict";var t=(t,e,n)=>new Promise((r,o)=>{var a=t=>{try{l(n.next(t))}catch(e){o(e)}},i=t=>{try{l(n.throw(t))}catch(e){o(e)}},l=t=>t.done?r(t.value):Promise.resolve(t.value).then(a,i);l((n=n.apply(t,e)).next())});if("undefined"!==typeof document&&!document.getElementById("artplayer-plugin-asr")){const t=document.createElement("style");t.id="artplayer-plugin-asr",t.textContent=".art-video-player .art-layer-asr{pointer-events:none!important;position:absolute;z-index:150;inset:0;display:flex;flex-direction:column;justify-content:end;padding:0 2%;font-size:1rem;gap:var(--art-subtitle-gap);padding-bottom:var(--art-subtitle-bottom);transition:padding-bottom var(--art-transition-duration) ease;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}.art-video-player.art-control-show .art-layer-asr{padding-bottom:calc(var(--art-control-height) + var(--art-subtitle-bottom))}",document.head.appendChild(t)}return function(e={}){const{length:n=3,interval:r=100,sampleRate:o=16e3,autoHideTimeout:a=1e4,onAudioChunk:i=()=>null}=e;return e=>{let l=!1,s=null,u=null,c=null,d=null,p=[],f=null,y=!1,m=null,h=null,g=null;const v=e.layers.add({name:"asr",html:""});function b(){v.style.display="none"}function x(t){var e;"string"===typeof t&&(clearTimeout(m),m=setTimeout(b,a),v.style.display="",v.innerHTML=(e=t,e.split(new RegExp("(?<=[\u3001\u3002\uff01\uff1f!?.])\\s*","u")).map(t=>t.trim()).filter(Boolean).slice(-n)).map(t=>`<div class="art-asr-line">${t}</div>`).join(""))}function w(){return t(this,null,function*(){if(!u&&e.video)try{return u=s.createMediaElementSource(e.video),u}catch(n){console.warn("[artplayerPluginAsr] Direct connection failed:",n)}try{if(h||(h=yield function(e){return t(this,null,function*(){try{return e.captureStream?e.captureStream():e.mozCaptureStream?e.mozCaptureStream():(console.warn("[artplayerPluginAsr] captureStream not supported"),null)}catch(n){return console.warn("[artplayerPluginAsr] Error capturing stream:",n),null}})}(e.video)),h)return g=s.createMediaStreamSource(h),g}catch(n){console.warn("[artplayerPluginAsr] MediaStream fallback failed:",n)}return null})}function A(){return t(this,null,function*(){l&&(l=!1,clearInterval(f),f=null,c&&(c.disconnect(),c.port.onmessage=null,c=null),d&&(d.disconnect(),d=null),p=[])})}function U(){return t(this,null,function*(){yield A(),g&&(g.disconnect(),g=null),u&&(u.disconnect(),u=null),h&&(h.getTracks().forEach(t=>t.stop()),h=null),s&&(yield s.close(),s=null),y=!1})}return e.on("video:volumechange",()=>{d&&(d.gain.value=e.volume)}),e.on("play",function(){return t(this,null,function*(){if(!l)try{yield function(){return t(this,null,function*(){return s||(s=new(window.AudioContext||window.webkitAudioContext)({sampleRate:o}),"suspended"===s.state&&(yield s.resume()),s)})}();const e=yield w();if(!e)throw new Error("Could not establish audio source");if(!y){const t=(()=>{const t=new Blob(["\n            class RecorderProcessor extends AudioWorkletProcessor {\n                process(inputs) {\n                    const input = inputs[0];\n                    if (input && input[0]) {\n                        this.port.postMessage(input[0]);\n                    }\n                    return true;\n                }\n            }\n            registerProcessor('recorder-processor', RecorderProcessor);\n        "],{type:"application/javascript"});return URL.createObjectURL(t)})();yield s.audioWorklet.addModule(t),URL.revokeObjectURL(t),y=!0}d=s.createGain(),d.gain.value=1,c=new AudioWorkletNode(s,"recorder-processor"),c.port.onmessage=t=>{p.push(new Float32Array(t.data))},e.connect(c),e.connect(d),d.connect(s.destination);const n=o*(r/1e3);f=setInterval(()=>t(null,null,function*(){if(0===p.length)return;let t=new Float32Array(0);for(;t.length<n&&p.length;){const e=p.shift(),n=new Float32Array(t.length+e.length);n.set(t,0),n.set(e,t.length),t=n}if(t.length<n)return;const e=function(t){const e=t.length,n=new ArrayBuffer(2*e),r=new DataView(n);for(let o=0;o<e;o++){const e=Math.max(-1,Math.min(1,t[o]));r.setInt16(2*o,e<0?32768*e:32767*e,!0)}return n}(t.slice(0,n)),r=function(t,e){const n=t.byteLength,r=new ArrayBuffer(44+n),o=new DataView(r),a=(t,e)=>{for(let n=0;n<e.length;n++)o.setUint8(t+n,e.charCodeAt(n))};return a(0,"RIFF"),o.setUint32(4,36+n,!0),a(8,"WAVE"),a(12,"fmt "),o.setUint32(16,16,!0),o.setUint16(20,1,!0),o.setUint16(22,1,!0),o.setUint32(24,e,!0),o.setUint32(28,2*e,!0),o.setUint16(32,2,!0),o.setUint16(34,16,!0),a(36,"data"),o.setUint32(40,n,!0),new Uint8Array(r).set(new Uint8Array(t),44),r}(e,o);x(yield i({pcm:e,wav:r}))}),r),l=!0}catch(e){console.error("[artplayerPluginAsr] Initialization failed:",e),yield A()}})}),e.on("pause",A),e.on("destroy",U),{name:"artplayerPluginAsr",stop:U,hide:b,append:x}}}});