ArtPlayer/docs/compiled/artplayer-proxy-canvas.legacy.js

/*!
 * artplayer-proxy-canvas.js v1.1.0
 * Github: https://github.com/zhw2590582/ArtPlayer
 * (c) 2017-2026 Harvey Zhao
 * Released under the MIT License.
 */
!function(e,t){"object"===typeof exports&&"undefined"!==typeof module?module.exports=t():"function"==typeof define&&define.amd?(e.artplayerProxyCanvas=t(),define(function(){return e.artplayerProxyCanvas})):(e="undefined"!==typeof globalThis?globalThis:e||self).artplayerProxyCanvas=t()}(this,function(){"use strict";function e(e){return Number.isFinite(e.videoWidth)&&Number.isFinite(e.videoHeight)&&e.videoWidth>0&&e.videoHeight>0}function t(t,n,i,o,r){const l=t.getContext("2d");let a=!1;return{available:()=>!!l||(a||(a=!0,r(new Error("Canvas 2D context is unavailable"))),!1),draw(a){return s=this,u=null,c=function*(){const s=()=>a()&&n.readyState>=2&&!n.seeking;if(!l||!s()||!e(n)||!t.width||!t.height)return;let u=!1;try{if("undefined"!==typeof createImageBitmap){u=!0;const e=yield createImageBitmap(n);u=!1;try{s()&&l.drawImage(e,0,0,t.width,t.height)}finally{e.close()}}else l.drawImage(n,0,0,t.width,t.height);if(!s())return;i&&i(l,n),s()&&o(l,n)}catch(c){const e=u&&"object"===typeof c&&null!==c&&"name"in c&&"InvalidStateError"===c.name&&0===n.currentTime&&"function"===typeof n.getVideoPlaybackQuality&&0===n.getVideoPlaybackQuality().totalVideoFrames;s()&&!e&&r(c)}},new Promise((e,t)=>{var n=e=>{try{o(c.next(e))}catch(n){t(n)}},i=e=>{try{o(c.throw(e))}catch(n){t(n)}},o=t=>t.done?e(t.value):Promise.resolve(t.value).then(n,i);o((c=c.apply(s,u)).next())});var s,u,c}}}function n(e,t){let n=!1,i=!1,o=!1,r=!1,l=0,a=null;function s(){null!==a&&cancelAnimationFrame(a),a=null}function u(){if(!o&&!i&&t())if(r){r=!1,o=!0;const n=l,a=()=>{o=!1,u()};e(()=>!i&&t()&&l===n).then(a,a)}else n&&null===a&&(a=requestAnimationFrame(()=>{a=null,r=!0,u()}))}function c(){!i&&t()&&(l++,r=!0,s(),u())}function d(){n=!1,r=!1,l++,s()}return{request:c,start(){n||i||!t()||(n=!0,c())},stop:d,destroy(){i=!0,d()}}}function i(i){return o=>{const r=o.constructor,l=r.utils.createElement("canvas"),a=r.utils.createElement("video");let s=o,u=o.isDestroy,c=null;const d=[],f=()=>!u&&!(null==s?void 0:s.isDestroy),h=function(e,t,n){let i=!1;return{mount(){if(i||!n())return;const o=t();o&&(e.setAttribute("aria-hidden","true"),e.tabIndex=-1,e.playsInline=!0,Object.assign(e.style,{position:"absolute",width:"auto",height:"auto",opacity:"0",pointerEvents:"none",left:"0",top:"0"}),o.appendChild(e),i=!0,n()||e.remove())},destroy(){const t=[],n=()=>{e.srcObject=null};for(const i of[()=>e.pause(),()=>e.removeAttribute("src"),n,()=>e.load(),()=>e.remove()])try{i()}catch(o){t.push(o)}if(i=!1,t.length)throw t[0]}}}(a,()=>{var e;return null==(e=null==s?void 0:s.template)?void 0:e.$player},f),p=t(l,a,i,(e,t)=>null==s?void 0:s.emit("artplayerProxyCanvas:draw",e,t),e=>null==s?void 0:s.emit("artplayerProxyCanvas:error",e)),y=n(p.draw,f);if(function(e,t,n,i,o){const r=new Map;for(const l in e){const t=Reflect.get(e,l);"function"===typeof t&&r.set(l,(...n)=>Reflect.apply(t,e,n))}for(const l in t)l in e||Object.defineProperty(e,l,{get(){const e=Reflect.get(t,l);return"function"!==typeof e?e:(...r)=>n()?("load"===l&&i(),"play"===l&&o(),Reflect.apply(e,t,r)):"play"===l?Promise.resolve():void 0},set(e){n()&&("src"!==l&&"srcObject"!==l||i(),Reflect.set(t,l,e))},configurable:!0,enumerable:!0});for(const[l,a]of r)Reflect.set(e,l,a)}(l,a,f,y.stop,h.mount),u)return s=null,l;function v(){if(u)return;u=!0,y.destroy(),null!==c&&clearTimeout(c),c=null;const e=[];for(const n of[...d.splice(0).reverse(),h.destroy])try{n()}catch(t){e.push(t)}if(s=null,l.width=0,l.height=0,e.length)throw e[0]}function m(e,t){if(!f())return;const n=()=>{("destroy"===e||f())&&t()},i=()=>o.off(e,n);d.push(i),o.on(e,n),u&&i()}function g(){p.available()&&y.request()}try{m("destroy",v),m("video:loadedmetadata",()=>{e(a)&&(l.width=a.videoWidth,l.height=a.videoHeight)}),m("video:play",()=>{h.mount(),p.available()&&y.start()}),m("video:pause",y.stop),m("video:emptied",y.stop),m("video:seeked",g),m("resize",()=>{var t;!function(t,n,i,o){if(!i||o||!e(n))return;const r=i.clientWidth,l=i.clientHeight;if(!Number.isFinite(r)||!Number.isFinite(l)||r<=0||l<=0)return;const a=n.videoWidth/n.videoHeight,s=r/l>a?l*a:r,u=r/l>a?l:r/a;t.width=s,t.height=u,t.style.padding=`${(l-u)/2}px ${(r-s)/2}px`}(l,a,null==(t=null==s?void 0:s.template)?void 0:t.$player,null==s?void 0:s.option.autoSize),g()}),f()&&(c=setTimeout(()=>{if(c=null,f())try{h.mount();for(const e of r.config.events){if(!f())break;const t=e=>{f()&&(null==s||s.emit(`video:${e.type}`,e))},n=()=>a.removeEventListener(e,t);d.push(n);const i=o.proxy(a,e,t);f()?d.push(i):i()}}catch(e){try{v()}catch(t){}o.emit("artplayerProxyCanvas:error",e)}}))}catch(b){try{v()}catch(w){}throw b}return l}}return Object.assign(i,{default:i})});