refactor(auto-thumbnail): [PKG-AUTO-THUMB-03] wait for native frame presentation

docs/compiled/artplayer-plugin-auto-thumbnail.legacy.js

@@ -4,4 +4,4 @@
  * (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.artplayerPluginAutoThumbnail=t(),define(function(){return e.artplayerPluginAutoThumbnail})):(e="undefined"!==typeof globalThis?globalThis:e||self).artplayerPluginAutoThumbnail=t()}(this,function(){"use strict";var e=Object.defineProperty,t=Object.getOwnPropertySymbols,i=Object.prototype.hasOwnProperty,n=Object.prototype.propertyIsEnumerable,r=(t,i,n)=>i in t?e(t,i,{enumerable:!0,configurable:!0,writable:!0,value:n}):t[i]=n;function o(e,t){const i=function(e){const t=document.createElement("video");e.own(()=>t.remove()),e.own(()=>t.load()),e.own(()=>t.removeAttribute("src")),e.own(()=>t.pause());for(const i of["onloadedmetadata","onseeked","onerror"])e.own(()=>{t[i]=null});return e.active()?(t.crossOrigin="anonymous",t.muted=!0,t.playsInline=!0,t.tabIndex=-1,t.setAttribute("aria-hidden","true"),t.style.cssText="position:fixed;left:0;top:0;visibility:hidden;pointer-events:none;display:block;width:auto;height:auto;max-width:none;max-height:none",document.documentElement.appendChild(t),e.active()||t.remove(),t):t}(e);e.active()&&(i.onerror=e.guard(()=>{throw i.error||new Error("Auto-thumbnail media failed to load")}),i.onloadedmetadata=e.guard(()=>{i.onloadedmetadata=null;const n=i.duration,r=i.videoHeight,o=i.videoWidth,{height:a,canvasWidth:u,canvasHeight:d}=function(e,t){if(!Number.isFinite(t.duration)||t.duration<=0||!Number.isFinite(t.videoWidth)||t.videoWidth<=0||!Number.isFinite(t.videoHeight)||t.videoHeight<=0)throw new TypeError("Auto-thumbnail requires finite media duration and dimensions");const i=Math.floor(e.width*t.videoHeight/t.videoWidth),n=Math.trunc(10*e.width),r=Math.trunc(i*Math.ceil(e.number/10));if(![i,n,r].every(e=>Number.isSafeInteger(e)&&e>0&&e<=4294967295))throw new RangeError("Auto-thumbnail canvas dimensions are invalid");return{height:i,canvasWidth:n,canvasHeight:r}}(t,{duration:n,videoHeight:r,videoWidth:o});if(!e.active())return;i.width=o,i.height=r,i.style.width=`${o}px`,i.style.height=`${r}px`;const c=document.createElement("canvas");if(!e.active())return;c.width=u,c.height=d;const l=c.getContext("2d");if(!l)throw new Error("Auto-thumbnail canvas context is unavailable");if(!e.active())return;let s=0;const h=e.guard(()=>{if(s>=t.number)return void e.dispose();const r=n*s/t.number;let o=0;i.onseeked=e.guard(()=>{if(i.seeking)return;const n=i.currentTime;if(!e.active())return;if(!Number.isFinite(n)||Math.abs(n-r)>.05){if(++o>3)throw new Error("Auto-thumbnail seek did not reach the requested time");return void(i.currentTime=r)}if(i.onseeked=null,l.drawImage(i,s%10*t.width,Math.floor(s/10)*a,t.width,a),!e.active())return;let u=!1;c.toBlob(e.guard(i=>{u||(u=!0,e.publish(i,{height:a,column:10,number:t.number,width:t.width,scale:t.scale}),e.active()&&(s+=1,h()))}),"image/jpeg")}),e.active()&&(i.currentTime=r)});h()}),e.active()&&(i.src=t.url))}function a(e){let t,i=!1;for(const r of e)try{r()}catch(n){i||(i=!0,t=n)}return{failed:i,failure:t}}function u(e,o){let u,d,c=!1;const l=new Set;function s(e){l.delete(e)&&URL.revokeObjectURL(e)}function h(){const e=u;u=void 0,null==e||e.dispose()}return{start:function(){if(c)return;const h=u,f=[];let m=!1;const v={active:()=>!c&&!m&&u===v,own(e){if(m){const t=a([e]);t.failed&&o(t.failure)}else f.push(e)},dispose(){if(m)return;m=!0,u===v&&(u=void 0);const e=a(f.splice(0).reverse());e.failed&&o(e.failure)},fail(e){v.active()&&(v.dispose(),o(e))},guard:e=>(...t)=>{if(v.active())try{return e(...t)}catch(i){v.fail(i)}},publish(u,c){if(!v.active())return;if(!u)throw new Error("Auto-thumbnail encoding returned no Blob");const h=URL.createObjectURL(u);if(l.add(h),!v.active())return void s(h);const f=d;d=h;try{e(((e,o)=>{for(var a in o||(o={}))i.call(o,a)&&r(e,a,o[a]);if(t)for(var a of t(o))n.call(o,a)&&r(e,a,o[a]);return e})({url:h},c))}catch(m){d===h&&(d=l.has(f)?f:void 0);const e=a([()=>s(h)]);throw e.failed&&o(e.failure),m}s(f)}};return u=v,null==h||h.dispose(),v},cancel:h,destroy:function(){if(c)return;c=!0;const e=a([h,...[...l].map(e=>()=>s(e))]);d=void 0,e.failed&&o(e.failure)},get closed(){return c}}}return function(e){return t=>{return i=null,n=null,r=function*(){const i=e=>console.warn("ArtPlayer auto-thumbnail failed:",e),n=u(e=>{t.thumbnails=e},i),r=[],d=()=>{const i=n.start();i&&i.guard(()=>{const n=function(e,t){const i={url:e.url||t(),width:e.width||160,number:e.number||100,scale:e.scale||1};if(!Number.isFinite(Number(i.width))||i.width<=0||!Number.isFinite(Number(i.number))||i.number<=0)throw new TypeError("Auto-thumbnail width and number must be finite positive numbers");return i}(e,()=>t.option.url);i.active()&&o(i,n)})()},c=()=>{const e=r.splice(0),t=a([n.destroy,...e]);t.failed&&i(t.failure)};try{for(const[e,i]of[["destroy",c],["restart",n.cancel],["video:loadedmetadata",d]]){if(n.closed)break;r.push(()=>t.off(e,i)),t.on(e,i),n.closed&&t.off(e,i)}}catch(l){throw c(),l}return{name:"artplayerPluginAutoThumbLine truncated
+!function(e,t){"object"===typeof exports&&"undefined"!==typeof module?module.exports=t():"function"==typeof define&&define.amd?(e.artplayerPluginAutoThumbnail=t(),define(function(){return e.artplayerPluginAutoThumbnail})):(e="undefined"!==typeof globalThis?globalThis:e||self).artplayerPluginAutoThumbnail=t()}(this,function(){"use strict";var e=Object.defineProperty,t=Object.getOwnPropertySymbols,n=Object.prototype.hasOwnProperty,r=Object.prototype.propertyIsEnumerable,i=(t,n,r)=>n in t?e(t,n,{enumerable:!0,configurable:!0,writable:!0,value:r}):t[n]=r;function o(e){let t,n=!1;for(const i of e)try{i()}catch(r){n||(n=!0,t=r)}return{failed:n,failure:t}}function a(e,a){let u,d,l=!1;const c=new Set;function s(e){c.delete(e)&&URL.revokeObjectURL(e)}function f(){const e=u;u=void 0,null==e||e.dispose()}return{start:function(){if(l)return;const f=u,h=[];let m=!1;const b={active:()=>!l&&!m&&u===b,own(e){if(m){const t=o([e]);t.failed&&a(t.failure)}else h.push(e)},dispose(){if(m)return;m=!0,u===b&&(u=void 0);const e=o(h.splice(0).reverse());e.failed&&a(e.failure)},fail(e){b.active()&&(b.dispose(),a(e))},guard:e=>(...t)=>{if(b.active())try{return e(...t)}catch(n){b.fail(n)}},publish(u,l){if(!b.active())return;if(!u)throw new Error("Auto-thumbnail encoding returned no Blob");const f=URL.createObjectURL(u);if(c.add(f),!b.active())return void s(f);const h=d;d=f;try{e(((e,o)=>{for(var a in o||(o={}))n.call(o,a)&&i(e,a,o[a]);if(t)for(var a of t(o))r.call(o,a)&&i(e,a,o[a]);return e})({url:f},l))}catch(m){d===f&&(d=c.has(h)?h:void 0);const e=o([()=>s(f)]);throw e.failed&&a(e.failure),m}s(h)}};return u=b,null==f||f.dispose(),b},cancel:f,destroy:function(){if(l)return;l=!0;const e=o([f,...[...c].map(e=>()=>s(e))]);d=void 0,e.failed&&a(e.failure)},get closed(){return l}}}function u(e,t){const n="function"===typeof t.requestVideoFrameCallback&&"function"===typeof t.cancelVideoFrameCallback;let r;function i(){const e=r;if(r=void 0,t.onloadeddata=null,t.onseeked=null,!e)return;const n=o([()=>clearTimeout(e.timer),()=>{null!==e.frame&&t.cancelVideoFrameCallback(e.frame)}]);if(n.failed)throw n.failure}return e.own(i),(o,a)=>{if(i(),!e.active())return;const u={frame:null,timer:null,sought:!1,presented:!n,retries:0,sequence:0,started:!1};r=u;const d=()=>e.active()&&r===u,l=e.guard(()=>{d()&&u.sought&&u.presented&&(i(),e.active()&&a())}),c=()=>{u.sought=!1,(()=>{if(!n)return;const r=++u.sequence;u.presented=!1;const i=u.frame;if(u.frame=null,null!==i&&t.cancelVideoFrameCallback(i),!d())return;let o=!1;const a=t.requestVideoFrameCallback(e.guard(()=>{d()&&r===u.sequence&&!o&&(o=!0,u.frame=null,u.presented=!0,l())}));d()&&r===u.sequence&&!o?u.frame=a:t.cancelVideoFrameCallback(a)})(),d()&&(t.currentTime=o)},s=e.guard(()=>{d()&&!u.started&&(u.started=!0,t.onloadeddata=null,t.onseeked=e.guard(()=>{if(!d()||t.seeking)return;const e=t.currentTime;if(d())if(!Number.isFinite(e)||Math.abs(e-o)>.05){if(++u.retries>3)throw new Error("Auto-thumbnail seek did not reach the requested time");c()}else u.sought=!0,l()}),c())});if(u.timer=setTimeout(e.guard(()=>{if(d())throw new Error("Auto-thumbnail frame readiness timed out")}),3e4),!d())return void clearTimeout(u.timer);const f=!n||t.readyState>=2;d()&&(f?s():t.onloadeddata=s)}}function d(e,t){const n=function(e){const t=document.createElement("video");e.own(()=>t.remove()),e.own(()=>t.load()),e.own(()=>t.removeAttribute("src")),e.own(()=>t.pause());for(const n of["onloadedmetadata","onloadeddata","onseeked","onerror"])e.own(()=>{t[n]=null});return e.active()?(t.crossOrigin="anonymous",t.muted=!0,t.playsInline=!0,t.tabIndex=-1,t.setAttribute("aria-hidden","true"),t.style.cssText="position:fixed;left:0;top:0;visibility:hidden;pointer-events:none;display:block;width:auto;height:auto;max-width:none;max-height:none",document.documentElement.appendChild(t),e.active()||t.remove(),t):t}(e);e.active()&&(n.onerror=e.guard(()=>{throw n.error||new Error("Auto-thumbnail media failed to load")}),n.onloadedmetadata=e.guard(()=>{n.onloadedmetadata=null;const r=n.duration,i=n.videoHeight,o=n.videoWidth,{height:a,canvasWidth:d,canvasHeight:l}=function(e,t){if(!Number.isFinite(t.duration)||t.duration<=0||!Number.isFinite(t.videoWidth)||t.videoWidth<=0||!Number.isFinite(t.videoHeight)||t.videoHeight<=0)throw new TypeError("Auto-thumbnail requires finite media duration and dimensions");const n=Math.floor(e.width*t.videoHeight/t.videoWidth),r=Math.trunc(10*e.width),i=Math.trunc(n*Math.ceil(e.number/10));if(![n,r,i].every(e=>Number.isSafeInteger(e)&&e>0&&e<=4294967295))throw new RangeError("Auto-thumbnail canvas dimensions are invalid");return{height:n,canvasWidth:r,canvasHeight:i}}(t,{duration:r,videoHeight:i,videoWidth:o});if(!e.active())return;n.width=o,n.height=i,n.style.width=`${o}px`,n.style.height=`${i}px`;const c=document.createElement("canvas");if(!e.active())return;c.width=d,c.height=l;const s=c.getContext("2d");if(!s)throw new Error("Auto-thumbnail canvas context is unavailable");if(!e.active())return;const f=u(eLine truncated