mirror of
https://github.com/zhw2590582/ArtPlayer.git
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8 lines
4.6 KiB
JavaScript
8 lines
4.6 KiB
JavaScript
/*!
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* artplayer-proxy-canvas.js v2.0.0
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* Github: https://github.com/zhw2590582/ArtPlayer
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* (c) 2017-2026 Harvey Zhao
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* Released under the MIT License.
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*/
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!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(e,t){let n=!1,i=!1,o=!1,r=!1,a=0,l=null;function s(){null!==l&&cancelAnimationFrame(l),l=null}function c(){if(!o&&!i&&t())if(r){r=!1,o=!0;const n=a,l=()=>{o=!1,c()};e(()=>!i&&t()&&a===n).then(l,l)}else n&&null===l&&(l=requestAnimationFrame(()=>{l=null,r=!0,c()}))}function u(){!i&&t()&&(a++,r=!0,s(),c())}function d(){n=!1,r=!1,a++,s()}return{request:u,start(){n||i||!t()||(n=!0,u())},stop:d,destroy(){i=!0,d()}}}function n(n){return i=>{const o=i.constructor,r=o.utils.createElement("canvas"),a=o.utils.createElement("video");let l=i,s=i.isDestroy,c=null;const u=[],d=()=>!s&&!l?.isDestroy,f=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,()=>l?.template?.$player,d),p=function(t,n,i,o,r){const a=t.getContext("2d");let l=!1;return{available:()=>!!a||(l||(l=!0,r(new Error("Canvas 2D context is unavailable"))),!1),async draw(l){const s=()=>l()&&n.readyState>=2&&!n.seeking;if(!a||!s()||!e(n)||!t.width||!t.height)return;let c=!1;try{if("undefined"!==typeof createImageBitmap){c=!0;const e=await createImageBitmap(n);c=!1;try{s()&&a.drawImage(e,0,0,t.width,t.height)}finally{e.close()}}else a.drawImage(n,0,0,t.width,t.height);if(!s())return;i&&i(a,n),s()&&o(a,n)}catch(u){const e=c&&"object"===typeof u&&null!==u&&"name"in u&&"InvalidStateError"===u.name&&0===n.currentTime&&"function"===typeof n.getVideoPlaybackQuality&&0===n.getVideoPlaybackQuality().totalVideoFrames;s()&&!e&&r(u)}}}}(r,a,n,(e,t)=>l?.emit("artplayerProxyCanvas:draw",e,t),e=>l?.emit("artplayerProxyCanvas:error",e)),h=t(p.draw,d);if(function(e,t,n,i,o){const r=new Map;for(const a in e){const t=Reflect.get(e,a);"function"===typeof t&&r.set(a,(...n)=>Reflect.apply(t,e,n))}for(const a in t)a in e||Object.defineProperty(e,a,{get(){const e=Reflect.get(t,a);return"function"!==typeof e?e:(...r)=>n()?("load"===a&&i(),"play"===a&&o(),Reflect.apply(e,t,r)):"play"===a?Promise.resolve():void 0},set(e){n()&&("src"!==a&&"srcObject"!==a||i(),Reflect.set(t,a,e))},configurable:!0,enumerable:!0});for(const[a,l]of r)Reflect.set(e,a,l)}(r,a,d,h.stop,f.mount),s)return l=null,r;function y(){if(s)return;s=!0,h.destroy(),null!==c&&clearTimeout(c),c=null;const e=[];for(const n of[...u.splice(0).reverse(),f.destroy])try{n()}catch(t){e.push(t)}if(l=null,r.width=0,r.height=0,e.length)throw e[0]}function m(e,t){if(!d())return;const n=()=>{("destroy"===e||d())&&t()},o=()=>i.off(e,n);u.push(o),i.on(e,n),s&&o()}function v(){p.available()&&h.request()}try{!function(e,t,n,i){if(!i())return;const o=e.appendChild;n.kind="metadata",n.default=!0,t.appendChild(n),e.appendChild=r=>i()&&1===r.nodeType&&"TRACK"===r.nodeName&&"namespaceURI"in r&&"http://www.w3.org/1999/xhtml"===r.namespaceURI?(n.remove(),t.appendChild(r)):o.call(e,r)}(r,a,o.utils.createElement("track"),d),m("destroy",y),m("video:loadedmetadata",()=>{e(a)&&(r.width=a.videoWidth,r.height=a.videoHeight)}),m("video:play",()=>{f.mount(),p.available()&&h.start()}),m("video:pause",h.stop),m("video:emptied",h.stop),m("video:seeked",v),m("resize",()=>{!function(t,n,i,o){if(!i||o||!e(n))return;const r=i.clientWidth,a=i.clientHeight;if(!Number.isFinite(r)||!Number.isFinite(a)||r<=0||a<=0)return;const l=n.videoWidth/n.videoHeight,s=r/a>l?a*l:r,c=r/a>l?a:r/l;t.width=s,t.height=c,t.style.padding=`${(a-c)/2}px ${(r-s)/2}px`}(r,a,l?.template?.$player,l?.option.autoSize),v()}),d()&&(c=setTimeout(()=>{if(c=null,d())try{f.mount();for(const e of o.config.events){if(!d())break;const t=e=>{d()&&l?.emit(`video:${e.type}`,e)},n=()=>a.removeEventListener(e,t);u.push(n);const o=i.proxy(a,e,t);d()?u.push(o):o()}}catch(e){try{y()}catch{}i.emit("artplayerProxyCanvas:error",e)}}))}catch(g){try{y()}catch{}throw g}return r}}return Object.assign(n,{default:n})});
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