diff --git a/docs/compiled/artplayer-plugin-auto-thumbnail.js b/docs/compiled/artplayer-plugin-auto-thumbnail.js index 32a90e93e..8b86f9ee5 100644 --- a/docs/compiled/artplayer-plugin-auto-thumbnail.js +++ b/docs/compiled/artplayer-plugin-auto-thumbnail.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?(t.artplayerPluginAutoThumbnail=t(),define(function(){return t.artplayerPluginAutoThumbnail})):(e="undefined"!==typeof globalThis?globalThis:e||self).artplayerPluginAutoThumbnail=t()}(this,function(){"use strict";return function(e){return async t=>(t.on("video:loadedmetadata",()=>{const n=e.url||t.option.url,o=e.width||160,i=e.number||100,u=e.scale||1;!function({url:e,width:t,number:n},o){const i=document.createElement("video");i.crossOrigin="anonymous",i.src=e,i.onloadedmetadata=()=>{const e=i.duration,u=document.createElement("canvas"),a=u.getContext("2d"),l=Math.floor(t*i.videoHeight/i.videoWidth);u.width=10*t,u.height=l*Math.ceil(n/10);let r=null;!function d(c){u.toBlob(e=>{URL.revokeObjectURL(r),r=URL.createObjectURL(e),o({url:r,height:l})},"image/jpeg"),c>=n||(i.currentTime=e*c/n,i.onseeked=()=>{a.drawImage(i,c%10*t,Math.floor(c/10)*l,t,l),d(c+1)})}(0)}}({url:n,width:o,number:i},e=>{t.thumbnails={...e,column:10,number:i,width:o,scale:u}})}),{name:"artplayerPluginAutoThumbnail"})}}); +!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";function e(e,t){const i=document.createElement("video");e.own(()=>i.load()),e.own(()=>i.removeAttribute("src")),e.own(()=>i.pause());for(const n of["onloadedmetadata","onseeked","onerror"])e.own(()=>{i[n]=null});e.active()&&(i.crossOrigin="anonymous",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,{height:r,canvasWidth:o,canvasHeight:a}=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:i.videoHeight,videoWidth:i.videoWidth});if(!e.active())return;const u=document.createElement("canvas");if(!e.active())return;u.width=o,u.height=a;const d=u.getContext("2d");if(!d)throw new Error("Auto-thumbnail canvas context is unavailable");if(!e.active())return;let c=0;const s=e.guard(()=>{c>=t.number?e.dispose():(i.onseeked=e.guard(()=>{if(i.onseeked=null,d.drawImage(i,c%10*t.width,Math.floor(c/10)*r,t.width,r),!e.active())return;let n=!1;u.toBlob(e.guard(i=>{n||(n=!0,e.publish(i,{height:r,column:10,number:t.number,width:t.width,scale:t.scale}),e.active()&&(c+=1,s()))}),"image/jpeg")}),e.active()&&(i.currentTime=n*c/t.number))});s()}),e.active()&&(i.src=t.url))}function t(e){let t,i=!1;for(const r of e)try{r()}catch(n){i||(i=!0,t=n)}return{failed:i,failure:t}}return function(i){return async n=>{const r=e=>console.warn("ArtPlayer auto-thumbnail failed:",e),o=function(e,i){let n,r,o=!1;const a=new Set;function u(e){a.delete(e)&&URL.revokeObjectURL(e)}function d(){const e=n;n=void 0,e?.dispose()}return{start:function(){if(o)return;const d=n,c=[];let s=!1;const l={active:()=>!o&&!s&&n===l,own(e){if(s){const n=t([e]);n.failed&&i(n.failure)}else c.push(e)},dispose(){if(s)return;s=!0,n===l&&(n=void 0);const e=t(c.splice(0).reverse());e.failed&&i(e.failure)},fail(e){l.active()&&(l.dispose(),i(e))},guard:e=>(...t)=>{if(l.active())try{return e(...t)}catch(i){l.fail(i)}},publish(n,o){if(!l.active())return;if(!n)throw new Error("Auto-thumbnail encoding returned no Blob");const d=URL.createObjectURL(n);if(a.add(d),!l.active())return void u(d);const c=r;r=d;try{e({url:d,...o})}catch(s){r===d&&(r=a.has(c)?c:void 0);const e=t([()=>u(d)]);throw e.failed&&i(e.failure),s}u(c)}};return n=l,d?.dispose(),l},cancel:d,destroy:function(){if(o)return;o=!0;const e=t([d,...[...a].map(e=>()=>u(e))]);r=void 0,e.failed&&i(e.failure)},get closed(){return o}}}(e=>{n.thumbnails=e},r),a=[],u=()=>{const t=o.start();t&&t.guard(()=>{const r=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}(i,()=>n.option.url);t.active()&&e(t,r)})()},d=()=>{const e=a.splice(0),i=t([o.destroy,...e]);i.failed&&r(i.failure)};try{for(const[e,t]of[["destroy",d],["restart",o.cancel],["video:loadedmetadata",u]]){if(o.closed)break;a.push(()=>n.off(e,t)),n.on(e,t),o.closed&&n.off(e,t)}}catch(c){throw d(),c}return{name:"artplayerPluginAutoThumbnail"}}}}); diff --git a/docs/compiled/artplayer-plugin-auto-thumbnail.legacy.js b/docs/compiled/artplayer-plugin-auto-thumbnail.legacy.js index 130e2be79..efa10b587 100644 --- a/docs/compiled/artplayer-plugin-auto-thumbnail.legacy.js +++ b/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?(t.artplayerPluginAutoThumbnail=t(),define(function(){return t.artplayerPluginAutoThumbnail})):(e="undefined"!==typeof globalThis?globalThis:e||self).artplayerPluginAutoThumbnail=t()}(this,function(){"use strict";var e=Object.defineProperty,t=Object.defineProperties,n=Object.getOwnPropertyDescriptors,r=Object.getOwnPropertySymbols,o=Object.prototype.hasOwnProperty,a=Object.prototype.propertyIsEnumerable,i=(t,n,r)=>n in t?e(t,n,{enumerable:!0,configurable:!0,writable:!0,value:r}):t[n]=r;return function(e){return l=>{return u=null,c=null,d=function*(){return l.on("video:loadedmetadata",()=>{const u=e.url||l.option.url,c=e.width||160,d=e.number||100,s=e.scale||1;!function({url:e,width:t,number:n},r){const o=document.createElement("video");o.crossOrigin="anonymous",o.src=e,o.onloadedmetadata=()=>{const e=o.duration,a=document.createElement("canvas"),i=a.getContext("2d"),l=Math.floor(t*o.videoHeight/o.videoWidth);a.width=10*t,a.height=l*Math.ceil(n/10);let u=null;!function c(d){a.toBlob(e=>{URL.revokeObjectURL(u),u=URL.createObjectURL(e),r({url:u,height:l})},"image/jpeg"),d>=n||(o.currentTime=e*d/n,o.onseeked=()=>{i.drawImage(o,d%10*t,Math.floor(d/10)*l,t,l),c(d+1)})}(0)}}({url:u,width:c,number:d},e=>{var u;l.thumbnails=(u=((e,t)=>{for(var n in t||(t={}))o.call(t,n)&&i(e,n,t[n]);if(r)for(var n of r(t))a.call(t,n)&&i(e,n,t[n]);return e})({},e),t(u,n({column:10,number:d,width:c,scale:s})))})}),{name:"artplayerPluginAutoThumbnail"}},new Promise((e,t)=>{var n=e=>{try{o(d.next(e))}catch(n){t(n)}},r=e=>{try{o(d.throw(e))}catch(n){t(n)}},o=t=>t.done?e(t.value):Promise.resolve(t.value).then(n,r);o((d=d.apply(u,c)).next())});var u,c,d}}}); +!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,r=Object.prototype.hasOwnProperty,n=Object.prototype.propertyIsEnumerable,i=(t,r,n)=>r in t?e(t,r,{enumerable:!0,configurable:!0,writable:!0,value:n}):t[r]=n;function o(e,t){const r=document.createElement("video");e.own(()=>r.load()),e.own(()=>r.removeAttribute("src")),e.own(()=>r.pause());for(const n of["onloadedmetadata","onseeked","onerror"])e.own(()=>{r[n]=null});e.active()&&(r.crossOrigin="anonymous",r.onerror=e.guard(()=>{throw r.error||new Error("Auto-thumbnail media failed to load")}),r.onloadedmetadata=e.guard(()=>{r.onloadedmetadata=null;const n=r.duration,{height:i,canvasWidth:o,canvasHeight:a}=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 r=Math.floor(e.width*t.videoHeight/t.videoWidth),n=Math.trunc(10*e.width),i=Math.trunc(r*Math.ceil(e.number/10));if(![r,n,i].every(e=>Number.isSafeInteger(e)&&e>0&&e<=4294967295))throw new RangeError("Auto-thumbnail canvas dimensions are invalid");return{height:r,canvasWidth:n,canvasHeight:i}}(t,{duration:n,videoHeight:r.videoHeight,videoWidth:r.videoWidth});if(!e.active())return;const u=document.createElement("canvas");if(!e.active())return;u.width=o,u.height=a;const d=u.getContext("2d");if(!d)throw new Error("Auto-thumbnail canvas context is unavailable");if(!e.active())return;let c=0;const l=e.guard(()=>{c>=t.number?e.dispose():(r.onseeked=e.guard(()=>{if(r.onseeked=null,d.drawImage(r,c%10*t.width,Math.floor(c/10)*i,t.width,i),!e.active())return;let n=!1;u.toBlob(e.guard(r=>{n||(n=!0,e.publish(r,{height:i,column:10,number:t.number,width:t.width,scale:t.scale}),e.active()&&(c+=1,l()))}),"image/jpeg")}),e.active()&&(r.currentTime=n*c/t.number))});l()}),e.active()&&(r.src=t.url))}function a(e){let t,r=!1;for(const i of e)try{i()}catch(n){r||(r=!0,t=n)}return{failed:r,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 f(){const e=u;u=void 0,null==e||e.dispose()}return{start:function(){if(c)return;const f=u,h=[];let m=!1;const v={active:()=>!c&&!m&&u===v,own(e){if(m){const t=a([e]);t.failed&&o(t.failure)}else h.push(e)},dispose(){if(m)return;m=!0,u===v&&(u=void 0);const e=a(h.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(r){v.fail(r)}},publish(u,c){if(!v.active())return;if(!u)throw new Error("Auto-thumbnail encoding returned no Blob");const f=URL.createObjectURL(u);if(l.add(f),!v.active())return void s(f);const h=d;d=f;try{e(((e,o)=>{for(var a in o||(o={}))r.call(o,a)&&i(e,a,o[a]);if(t)for(var a of t(o))n.call(o,a)&&i(e,a,o[a]);return e})({url:f},c))}catch(m){d===f&&(d=l.has(h)?h:void 0);const e=a([()=>s(f)]);throw e.failed&&o(e.failure),m}s(h)}};return u=v,null==f||f.dispose(),v},cancel:f,destroy:function(){if(c)return;c=!0;const e=a([f,...[...l].map(e=>()=>s(e))]);d=void 0,e.failed&&o(e.failure)},get closed(){return c}}}return function(e){return t=>{return r=null,n=null,i=function*(){const r=e=>console.warn("ArtPlayer auto-thumbnail failed:",e),n=u(e=>{t.thumbnails=e},r),i=[],d=()=>{const r=n.start();r&&r.guard(()=>{const n=function(e,t){const r={url:e.url||t(),width:e.width||160,number:e.number||100,scale:e.scale||1};if(!Number.isFinite(Number(r.width))||r.width<=0||!Number.isFinite(Number(r.number))||r.number<=0)throw new TypeError("Auto-thumbnail width and number must be finite positive numbers");return r}(e,()=>t.option.url);r.active()&&o(r,n)})()},c=()=>{const e=i.splice(0),t=a([n.destroy,...e]);t.failed&&r(t.failure)};try{for(const[e,r]of[["destroy",c],["restart",n.cancel],["video:loadedmetadata",d]]){if(n.closed)break;i.push(()=>t.off(e,r)),t.on(e,r),n.closed&&t.off(e,r)}}catch(l){throw c(),l}return{name:"artplayerPluginAutoThumbnail"}},new Promise((e,t)=>{var o=e=>{try{u(i.next(e))}catch(r){t(r)}},a=e=>{try{u(i.throw(e))}catch(r){t(r)}},u=t=>t.done?e(t.value):Promise.resolve(t.value).then(o,a);u((i=i.apply(r,n)).next())});var r,n,i}}}); diff --git a/docs/compiled/artplayer-plugin-auto-thumbnail.mjs b/docs/compiled/artplayer-plugin-auto-thumbnail.mjs index 534add23f..bee9c380f 100644 --- a/docs/compiled/artplayer-plugin-auto-thumbnail.mjs +++ b/docs/compiled/artplayer-plugin-auto-thumbnail.mjs @@ -4,58 +4,251 @@ * (c) 2017-2026 Harvey Zhao * Released under the MIT License. */ -function create({ url, width, number }, callback) { +function readOptions(option, getFallbackUrl) { + const config = { + url: option.url || getFallbackUrl(), + width: option.width || 160, + number: option.number || 100, + scale: option.scale || 1 + }; + if (!Number.isFinite(Number(config.width)) || config.width <= 0 || !Number.isFinite(Number(config.number)) || config.number <= 0) + throw new TypeError("Auto-thumbnail width and number must be finite positive numbers"); + return config; +} +function sheetSize(config, video) { + if (!Number.isFinite(video.duration) || video.duration <= 0 || !Number.isFinite(video.videoWidth) || video.videoWidth <= 0 || !Number.isFinite(video.videoHeight) || video.videoHeight <= 0) + throw new TypeError("Auto-thumbnail requires finite media duration and dimensions"); + const height = Math.floor(config.width * video.videoHeight / video.videoWidth); + const canvasWidth = Math.trunc(config.width * 10); + const canvasHeight = Math.trunc(height * Math.ceil(config.number / 10)); + if (![height, canvasWidth, canvasHeight].every((value) => Number.isSafeInteger(value) && value > 0 && value <= 4294967295)) + throw new RangeError("Auto-thumbnail canvas dimensions are invalid"); + return { height, canvasWidth, canvasHeight }; +} +function extract(job, config) { const video = document.createElement("video"); + job.own(() => video.load()); + job.own(() => video.removeAttribute("src")); + job.own(() => video.pause()); + for (const property of ["onloadedmetadata", "onseeked", "onerror"]) + job.own(() => { + video[property] = null; + }); + if (!job.active()) + return; video.crossOrigin = "anonymous"; - video.src = url; - video.onloadedmetadata = () => { + video.onerror = job.guard(() => { + throw video.error || new Error("Auto-thumbnail media failed to load"); + }); + video.onloadedmetadata = job.guard(() => { + video.onloadedmetadata = null; const duration = video.duration; + const { height, canvasWidth, canvasHeight } = sheetSize(config, { + duration, + videoHeight: video.videoHeight, + videoWidth: video.videoWidth + }); + if (!job.active()) + return; const canvas = document.createElement("canvas"); + if (!job.active()) + return; + canvas.width = canvasWidth; + canvas.height = canvasHeight; const ctx = canvas.getContext("2d"); - const height = Math.floor(width * video.videoHeight / video.videoWidth); - canvas.width = width * 10; - canvas.height = height * Math.ceil(number / 10); - let blobUrl = null; - function seekAndDraw(index) { - canvas.toBlob((blob) => { - URL.revokeObjectURL(blobUrl); - blobUrl = URL.createObjectURL(blob); - callback({ - url: blobUrl, - height - }); - }, "image/jpeg"); - if (index >= number) + if (!ctx) + throw new Error("Auto-thumbnail canvas context is unavailable"); + if (!job.active()) + return; + let index = 0; + const seek = job.guard(() => { + if (index >= config.number) { + job.dispose(); return; - video.currentTime = duration * index / number; - video.onseeked = () => { - ctx.drawImage(video, index % 10 * width, Math.floor(index / 10) * height, width, height); - seekAndDraw(index + 1); - }; + } + video.onseeked = job.guard(() => { + video.onseeked = null; + ctx.drawImage(video, index % 10 * config.width, Math.floor(index / 10) * height, config.width, height); + if (!job.active()) + return; + let delivered = false; + canvas.toBlob(job.guard((blob) => { + if (delivered) + return; + delivered = true; + job.publish(blob, { height, column: 10, number: config.number, width: config.width, scale: config.scale }); + if (job.active()) { + index += 1; + seek(); + } + }), "image/jpeg"); + }); + if (job.active()) + video.currentTime = duration * index / config.number; + }); + seek(); + }); + if (job.active()) + video.src = config.url; +} +function cleanupAll(actions) { + let failure; + let failed = false; + for (const action of actions) { + try { + action(); + } catch (error) { + if (!failed) { + failed = true; + failure = error; + } + } + } + return { failed, failure }; +} +function createSession(publish, report) { + let closed = false; + let current; + let lastUrl; + const urls = /* @__PURE__ */ new Set(); + function release(url) { + if (urls.delete(url)) + URL.revokeObjectURL(url); + } + function cancel() { + const previous = current; + current = void 0; + previous?.dispose(); + } + function destroy() { + if (closed) + return; + closed = true; + const result = cleanupAll([cancel, ...[...urls].map((url) => () => release(url))]); + lastUrl = void 0; + if (result.failed) + report(result.failure); + } + function start() { + if (closed) + return; + const previous = current; + const actions = []; + let disposed = false; + const job = { + active: () => !closed && !disposed && current === job, + own(action) { + if (disposed) { + const result = cleanupAll([action]); + if (result.failed) + report(result.failure); + } else { + actions.push(action); + } + }, + dispose() { + if (disposed) + return; + disposed = true; + if (current === job) + current = void 0; + const result = cleanupAll(actions.splice(0).reverse()); + if (result.failed) + report(result.failure); + }, + fail(error) { + if (!job.active()) + return; + job.dispose(); + report(error); + }, + guard(callback) { + return (...args) => { + if (!job.active()) + return; + try { + return callback(...args); + } catch (error) { + job.fail(error); + } + }; + }, + publish(blob, config) { + if (!job.active()) + return; + if (!blob) + throw new Error("Auto-thumbnail encoding returned no Blob"); + const url = URL.createObjectURL(blob); + urls.add(url); + if (!job.active()) { + release(url); + return; + } + const previousUrl = lastUrl; + lastUrl = url; + try { + publish({ url, ...config }); + } catch (error) { + if (lastUrl === url) + lastUrl = urls.has(previousUrl) ? previousUrl : void 0; + const result = cleanupAll([() => release(url)]); + if (result.failed) + report(result.failure); + throw error; + } + release(previousUrl); + } + }; + current = job; + previous?.dispose(); + return job; + } + return { + start, + cancel, + destroy, + get closed() { + return closed; } - seekAndDraw(0); }; } function artplayerPluginAutoThumbnail(option) { return async (art) => { - art.on("video:loadedmetadata", () => { - const url = option.url || art.option.url; - const width = option.width || 160; - const number = option.number || 100; - const scale = option.scale || 1; - create({ url, width, number }, (config) => { - art.thumbnails = { - ...config, - column: 10, - number, - width, - scale - }; - }); - }); - return { - name: "artplayerPluginAutoThumbnail" + const report = (error) => console.warn("ArtPlayer auto-thumbnail failed:", error); + const session = createSession((config) => { + art.thumbnails = config; + }, report); + const subscriptions = []; + const onMetadata = () => { + const job = session.start(); + if (job) { + job.guard(() => { + const config = readOptions(option, () => art.option.url); + if (job.active()) + extract(job, config); + })(); + } }; + const onDestroy = () => { + const actions = subscriptions.splice(0); + const result = cleanupAll([session.destroy, ...actions]); + if (result.failed) + report(result.failure); + }; + try { + for (const [name, callback] of [["destroy", onDestroy], ["restart", session.cancel], ["video:loadedmetadata", onMetadata]]) { + if (session.closed) + break; + subscriptions.push(() => art.off(name, callback)); + art.on(name, callback); + if (session.closed) + art.off(name, callback); + } + } catch (error) { + onDestroy(); + throw error; + } + return { name: "artplayerPluginAutoThumbnail" }; }; } export { diff --git a/package.json b/package.json index 6773a62b7..81583db43 100644 --- a/package.json +++ b/package.json @@ -51,7 +51,7 @@ "ci:build": "yarn build:types && yarn build all && yarn build:i18n && yarn build:ts && yarn build:docs && yarn test:imports", "test:imports": "node --test test/esm.test.js test/i18n.test.js test/ssr.test.js", "typecheck": "node scripts/typecheck.mjs", - "test:unit": "node --test test/auto-thumbnail.test.js test/thumbnail-emitter.test.js test/thumbnail-runtime.test.js test/thumbnail-vendor.test.js test/thumbnail-lifecycle.test.js test/thumbnail-input.test.js test/thumbnail.test.js test/iframe-navigation.test.js test/iframe-boundaries.test.js test/iframe-lifecycle.test.js test/iframe.test.js test/mediabunny.test.js test/mediabunny-shim.test.js test/mediabunny-coordination.test.js test/mediabunny-video.test.js test/mediabunny-audio.test.js test/mediabunny-hls.test.js test/mediabunny-entry.test.js test/mediabunny-capability.test.js test/mediabunny-load.test.js test/mediabunny-input.test.js test/dpip.test.js test/dpip-lifecycle.test.js test/canvas.test.js test/canvas-lifecycle.test.js test/ambilight.test.js test/ambilight-lifecycle.test.js test/ambilight-proxy.test.js test/vast.test.js test/vast-lifecycle.test.js test/ads.test.js test/ads-lifecycle.test.js test/playback.test.js test/dash-control.test.js test/dash-contract.test.js test/dash-lifecycle.test.js test/dash-events.test.js test/hls-control.test.js test/audio-track.test.js test/public-behavior.test.js test/helpers.test.js test/chapter.test.js test/utils.test.js test/resource-scope.test.js test/instance-lifecycle.test.js test/options.test.js test/media-hosts.test.js test/plugins.test.js test/source.test.js test/playback-properties.test.js test/media-events.test.js test/template-resources.test.js test/core-vendor.test.js test/component-resources.test.js test/setting-model.test.js test/setting-layout.test.js test/setting-resources.test.js test/subtitle.test.js test/display-native.test.js test/display-video-fullscreen.test.js test/display-pip.test.js test/display-mini.test.js test/display-sizing.test.js test/display-orientation.test.js test/hotkey.test.js test/listener-registry.test.js test/global-events.test.js test/pointer-events.test.js test/gesture.test.js test/event-scheduling.test.js test/notice.test.js test/fast-forward.test.js test/auto-playback.test.js test/builtin-layers.test.js test/prompt-components.test.js test/screenshot.test.js test/thumbnails.test.js test/progress.test.js test/environment.test.js test/storage.test.js test/facade-properties.test.js test/dom-boundaries.test.js test/initialization.test.js test/entry.test.js test/accessibility-button.test.js test/accessibility-focus.test.js test/accessibility-slider.test.js", + "test:unit": "node --test test/auto-thumbnail-lifecycle.test.js test/auto-thumbnail.test.js test/thumbnail-emitter.test.js test/thumbnail-runtime.test.js test/thumbnail-vendor.test.js test/thumbnail-lifecycle.test.js test/thumbnail-input.test.js test/thumbnail.test.js test/iframe-navigation.test.js test/iframe-boundaries.test.js test/iframe-lifecycle.test.js test/iframe.test.js test/mediabunny.test.js test/mediabunny-shim.test.js test/mediabunny-coordination.test.js test/mediabunny-video.test.js test/mediabunny-audio.test.js test/mediabunny-hls.test.js test/mediabunny-entry.test.js test/mediabunny-capability.test.js test/mediabunny-load.test.js test/mediabunny-input.test.js test/dpip.test.js test/dpip-lifecycle.test.js test/canvas.test.js test/canvas-lifecycle.test.js test/ambilight.test.js test/ambilight-lifecycle.test.js test/ambilight-proxy.test.js test/vast.test.js test/vast-lifecycle.test.js test/ads.test.js test/ads-lifecycle.test.js test/playback.test.js test/dash-control.test.js test/dash-contract.test.js test/dash-lifecycle.test.js test/dash-events.test.js test/hls-control.test.js test/audio-track.test.js test/public-behavior.test.js test/helpers.test.js test/chapter.test.js test/utils.test.js test/resource-scope.test.js test/instance-lifecycle.test.js test/options.test.js test/media-hosts.test.js test/plugins.test.js test/source.test.js test/playback-properties.test.js test/media-events.test.js test/template-resources.test.js test/core-vendor.test.js test/component-resources.test.js test/setting-model.test.js test/setting-layout.test.js test/setting-resources.test.js test/subtitle.test.js test/display-native.test.js test/display-video-fullscreen.test.js test/display-pip.test.js test/display-mini.test.js test/display-sizing.test.js test/display-orientation.test.js test/hotkey.test.js test/listener-registry.test.js test/global-events.test.js test/pointer-events.test.js test/gesture.test.js test/event-scheduling.test.js test/notice.test.js test/fast-forward.test.js test/auto-playback.test.js test/builtin-layers.test.js test/prompt-components.test.js test/screenshot.test.js test/thumbnails.test.js test/progress.test.js test/environment.test.js test/storage.test.js test/facade-properties.test.js test/dom-boundaries.test.js test/initialization.test.js test/entry.test.js test/accessibility-button.test.js test/accessibility-focus.test.js test/accessibility-slider.test.js", "test:coverage": "node --test test/coverage.test.js && node scripts/coverage.mjs", "test": "yarn test:node && yarn test:baseline", "test:browser": "playwright test", @@ -85,7 +85,7 @@ "test:iframe-types-package": "node refactor/scripts/iframe-package-types.mjs", "test:thumbnail": "node --test test/thumbnail-emitter.test.js test/thumbnail-runtime.test.js test/thumbnail-vendor.test.js test/thumbnail-lifecycle.test.js test/thumbnail-input.test.js test/thumbnail.test.js refactor/scripts/thumbnail-contract.test.mjs refactor/scripts/thumbnail-types.test.mjs", "test:thumbnail-types-package": "node refactor/scripts/thumbnail-package-types.mjs", - "test:auto-thumbnail": "node --test test/auto-thumbnail.test.js refactor/scripts/auto-thumbnail-contract.test.mjs" + "test:auto-thumbnail": "node --test test/auto-thumbnail-lifecycle.test.js test/auto-thumbnail.test.js refactor/scripts/auto-thumbnail-contract.test.mjs" }, "browserslist": "last 1 Chrome version", "devDependencies": { diff --git a/packages/artplayer-plugin-auto-thumbnail/ARCHITECTURE.md b/packages/artplayer-plugin-auto-thumbnail/ARCHITECTURE.md new file mode 100644 index 000000000..d5243747e --- /dev/null +++ b/packages/artplayer-plugin-auto-thumbnail/ARCHITECTURE.md @@ -0,0 +1,80 @@ +# Auto-thumbnail maintenance + +This package registers an asynchronous ArtPlayer plugin and generates progressive +JPEG thumbnail sheets using a separate media element. Its public result remains +`{ name: 'artplayerPluginAutoThumbnail' }`; the registration Promise does not wait +for video processing. + +## Modules and ownership + +- `src/index.js` owns ArtPlayer subscriptions and the public factory. Options are + read at each `video:loadedmetadata` event, including subsequent changes to the + original options object. `restart` cancels the old decoder immediately. `destroy` + closes the session and removes subscriptions. Partial registration is rolled back. +- `src/options.js` preserves truthy defaults and computes the ten-column layout. + Coercible numeric JS inputs and fractional frame counts retain their previous + behavior; raw option values are forwarded to the thumbnail configuration. + Invalid/nonfinite dimensions fail before canvas allocation. Canvas dimensions + are checked against integer/IDL bounds, not a universal memory budget. +- `src/session.js` owns one active extraction job and the generated object URLs. + Guards prevent obsolete callbacks from publishing or scheduling another frame. + Cleanup runs all registered actions even if one fails. Installing a replacement + before cleaning up its predecessor makes synchronous host reentry observable. +- `src/extraction.js` owns the private video and canvas, metadata/seek/error + handlers, and the frame/encode sequence. Each valid draw is encoded before the + next seek. The final decoder is paused, cleared and reset; the final sheet URL + remains owned by the session until another usable sheet replaces it or destroy. + +Only the entry module receives ArtPlayer. Extraction receives a guarded job and a +configuration snapshot. These internal modules do not add public player fields, +plugin methods, or a dependency on a particular core implementation. + +## Compatibility and intentional fixes + +The factory/global name, Promise registration, result name, default width 160, +count 100, scale 1, ten columns, aspect-ratio height, and time formula +`duration * index / number` are retained. An explicit URL takes precedence over +`art.option.url`; the fallback is read lazily only when no explicit URL is supplied. +Duration and sheet dimensions are captured at metadata time; later duration changes +do not move the remaining samples within the current sheet. +The old `height` option remains ignored at runtime. + +The previous empty first encode is removed. Encoding is serial, duplicate native +callbacks are consumed once, and source replacement/destruction invalidates old +metadata, seek and Blob callbacks. Failure does not revoke an earlier usable +preview. Only generated URLs are revoked; a foreign public thumbnail URL is not +owned by this package. A failed host setter releases the newly created URL. + +Extraction failures are observed with `console.warn('ArtPlayer auto-thumbnail failed:', error)` +after cleanup. The already-resolved registration Promise cannot represent later +media failures. Native callbacks do not escape with an unhandled exception. A +registration failure still rejects its original Promise with the original error. + +## Verification and remaining work + +Use the root Yarn toolchain: + +```sh +yarn test:auto-thumbnail +yarn test:browser test/browser/auto-thumbnail-lifecycle.spec.js +yarn build artplayer-plugin-auto-thumbnail +``` + +`ARTPLAYER_AUTO_THUMBNAIL_BASELINE=1` selects the frozen workspace for candidate +regression tests. `ARTPLAYER_AUTO_THUMBNAIL_ARTIFACT` selects an actual bundle. +Historical contract/failure tests remain separate and continue to reproduce old +defects; their passing status does not mean those defects should remain. + +This is an intermediate `PKG-AUTO-THUMB-03` implementation. Native lifecycle +validation does not prove correct pixels: the detached decoder path still needs +the recorded Windows WebKit frame/rendering fix (`AUTO-THUMB-PIXEL-01`). Hidden +rendering must retain source detail; a 1x1 element producing an averaged pixel is +not a correct fix. Frame timing, additional reentry/cleanup boundaries and resource +budgets still need the remaining task03 work. + +Task04 converts these modules to strict TypeScript and resolves historical public +declaration/CommonJS differences. Task05 verifies old/final cores and actual +devices; task06 covers installed package entries and the real demo/editor. The +types and package version are unchanged at this checkpoint. Use +`refactor/baselines/auto-thumbnail-contract.md` and `auto-thumbnail-failures.md` as +the historical evidence map; do not regenerate those baselines from this source. diff --git a/packages/artplayer-plugin-auto-thumbnail/dist/artplayer-plugin-auto-thumbnail.js b/packages/artplayer-plugin-auto-thumbnail/dist/artplayer-plugin-auto-thumbnail.js index 32a90e93e..8b86f9ee5 100644 --- a/packages/artplayer-plugin-auto-thumbnail/dist/artplayer-plugin-auto-thumbnail.js +++ b/packages/artplayer-plugin-auto-thumbnail/dist/artplayer-plugin-auto-thumbnail.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?(t.artplayerPluginAutoThumbnail=t(),define(function(){return t.artplayerPluginAutoThumbnail})):(e="undefined"!==typeof globalThis?globalThis:e||self).artplayerPluginAutoThumbnail=t()}(this,function(){"use strict";return 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e.artplayerPluginAutoThumbnail})):(e="undefined"!==typeof globalThis?globalThis:e||self).artplayerPluginAutoThumbnail=t()}(this,function(){"use strict";function e(e,t){const i=document.createElement("video");e.own(()=>i.load()),e.own(()=>i.removeAttribute("src")),e.own(()=>i.pause());for(const n of["onloadedmetadata","onseeked","onerror"])e.own(()=>{i[n]=null});e.active()&&(i.crossOrigin="anonymous",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,{height:r,canvasWidth:o,canvasHeight:a}=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 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e=a.splice(0),i=t([o.destroy,...e]);i.failed&&r(i.failure)};try{for(const[e,t]of[["destroy",d],["restart",o.cancel],["video:loadedmetadata",u]]){if(o.closed)break;a.push(()=>n.off(e,t)),n.on(e,t),o.closed&&n.off(e,t)}}catch(c){throw d(),c}return{name:"artplayerPluginAutoThumbnail"}}}}); diff --git a/packages/artplayer-plugin-auto-thumbnail/dist/artplayer-plugin-auto-thumbnail.legacy.js b/packages/artplayer-plugin-auto-thumbnail/dist/artplayer-plugin-auto-thumbnail.legacy.js index 130e2be79..efa10b587 100644 --- a/packages/artplayer-plugin-auto-thumbnail/dist/artplayer-plugin-auto-thumbnail.legacy.js +++ b/packages/artplayer-plugin-auto-thumbnail/dist/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?(t.artplayerPluginAutoThumbnail=t(),define(function(){return 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n=!1;u.toBlob(e.guard(r=>{n||(n=!0,e.publish(r,{height:i,column:10,number:t.number,width:t.width,scale:t.scale}),e.active()&&(c+=1,l()))}),"image/jpeg")}),e.active()&&(r.currentTime=n*c/t.number))});l()}),e.active()&&(r.src=t.url))}function a(e){let t,r=!1;for(const i of e)try{i()}catch(n){r||(r=!0,t=n)}return{failed:r,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 f(){const e=u;u=void 0,null==e||e.dispose()}return{start:function(){if(c)return;const f=u,h=[];let m=!1;const v={active:()=>!c&&!m&&u===v,own(e){if(m){const t=a([e]);t.failed&&o(t.failure)}else h.push(e)},dispose(){if(m)return;m=!0,u===v&&(u=void 0);const e=a(h.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(r){v.fail(r)}},publish(u,c){if(!v.active())return;if(!u)throw new Error("Auto-thumbnail encoding returned no Blob");const f=URL.createObjectURL(u);if(l.add(f),!v.active())return void s(f);const h=d;d=f;try{e(((e,o)=>{for(var a in o||(o={}))r.call(o,a)&&i(e,a,o[a]);if(t)for(var a of t(o))n.call(o,a)&&i(e,a,o[a]);return e})({url:f},c))}catch(m){d===f&&(d=l.has(h)?h:void 0);const e=a([()=>s(f)]);throw e.failed&&o(e.failure),m}s(h)}};return u=v,null==f||f.dispose(),v},cancel:f,destroy:function(){if(c)return;c=!0;const e=a([f,...[...l].map(e=>()=>s(e))]);d=void 0,e.failed&&o(e.failure)},get closed(){return c}}}return function(e){return t=>{return r=null,n=null,i=function*(){const r=e=>console.warn("ArtPlayer auto-thumbnail failed:",e),n=u(e=>{t.thumbnails=e},r),i=[],d=()=>{const r=n.start();r&&r.guard(()=>{const n=function(e,t){const r={url:e.url||t(),width:e.width||160,number:e.number||100,scale:e.scale||1};if(!Number.isFinite(Number(r.width))||r.width<=0||!Number.isFinite(Number(r.number))||r.number<=0)throw new TypeError("Auto-thumbnail width and number must be finite positive numbers");return r}(e,()=>t.option.url);r.active()&&o(r,n)})()},c=()=>{const e=i.splice(0),t=a([n.destroy,...e]);t.failed&&r(t.failure)};try{for(const[e,r]of[["destroy",c],["restart",n.cancel],["video:loadedmetadata",d]]){if(n.closed)break;i.push(()=>t.off(e,r)),t.on(e,r),n.closed&&t.off(e,r)}}catch(l){throw c(),l}return{name:"artplayerPluginAutoThumbnail"}},new Promise((e,t)=>{var o=e=>{try{u(i.next(e))}catch(r){t(r)}},a=e=>{try{u(i.throw(e))}catch(r){t(r)}},u=t=>t.done?e(t.value):Promise.resolve(t.value).then(o,a);u((i=i.apply(r,n)).next())});var r,n,i}}}); diff --git a/packages/artplayer-plugin-auto-thumbnail/dist/artplayer-plugin-auto-thumbnail.mjs b/packages/artplayer-plugin-auto-thumbnail/dist/artplayer-plugin-auto-thumbnail.mjs index 534add23f..bee9c380f 100644 --- a/packages/artplayer-plugin-auto-thumbnail/dist/artplayer-plugin-auto-thumbnail.mjs +++ b/packages/artplayer-plugin-auto-thumbnail/dist/artplayer-plugin-auto-thumbnail.mjs @@ -4,58 +4,251 @@ * (c) 2017-2026 Harvey Zhao * Released under the MIT License. */ -function create({ url, width, number }, callback) { +function readOptions(option, getFallbackUrl) { + const config = { + url: option.url || getFallbackUrl(), + width: option.width || 160, + number: option.number || 100, + scale: option.scale || 1 + }; + if (!Number.isFinite(Number(config.width)) || config.width <= 0 || !Number.isFinite(Number(config.number)) || config.number <= 0) + throw new TypeError("Auto-thumbnail width and number must be finite positive numbers"); + return config; +} +function sheetSize(config, video) { + if (!Number.isFinite(video.duration) || video.duration <= 0 || !Number.isFinite(video.videoWidth) || video.videoWidth <= 0 || !Number.isFinite(video.videoHeight) || video.videoHeight <= 0) + throw new TypeError("Auto-thumbnail requires finite media duration and dimensions"); + const height = Math.floor(config.width * video.videoHeight / video.videoWidth); + const canvasWidth = Math.trunc(config.width * 10); + const canvasHeight = Math.trunc(height * Math.ceil(config.number / 10)); + if (![height, canvasWidth, canvasHeight].every((value) => Number.isSafeInteger(value) && value > 0 && value <= 4294967295)) + throw new RangeError("Auto-thumbnail canvas dimensions are invalid"); + return { height, canvasWidth, canvasHeight }; +} +function extract(job, config) { const video = document.createElement("video"); + job.own(() => video.load()); + job.own(() => video.removeAttribute("src")); + job.own(() => video.pause()); + for (const property of ["onloadedmetadata", "onseeked", "onerror"]) + job.own(() => { + video[property] = null; + }); + if (!job.active()) + return; video.crossOrigin = "anonymous"; - video.src = url; - video.onloadedmetadata = () => { + video.onerror = job.guard(() => { + throw video.error || new Error("Auto-thumbnail media failed to load"); + }); + video.onloadedmetadata = job.guard(() => { + video.onloadedmetadata = null; const duration = video.duration; + const { height, canvasWidth, canvasHeight } = sheetSize(config, { + duration, + videoHeight: video.videoHeight, + videoWidth: video.videoWidth + }); + if (!job.active()) + return; const canvas = document.createElement("canvas"); + if (!job.active()) + return; + canvas.width = canvasWidth; + canvas.height = canvasHeight; const ctx = canvas.getContext("2d"); - const height = Math.floor(width * video.videoHeight / video.videoWidth); - canvas.width = width * 10; - canvas.height = height * Math.ceil(number / 10); - let blobUrl = null; - function seekAndDraw(index) { - canvas.toBlob((blob) => { - URL.revokeObjectURL(blobUrl); - blobUrl = URL.createObjectURL(blob); - callback({ - url: blobUrl, - height - }); - }, "image/jpeg"); - if (index >= number) + if (!ctx) + throw new Error("Auto-thumbnail canvas context is unavailable"); + if (!job.active()) + return; + let index = 0; + const seek = job.guard(() => { + if (index >= config.number) { + job.dispose(); return; - video.currentTime = duration * index / number; - video.onseeked = () => { - ctx.drawImage(video, index % 10 * width, Math.floor(index / 10) * height, width, height); - seekAndDraw(index + 1); - }; + } + video.onseeked = job.guard(() => { + video.onseeked = null; + ctx.drawImage(video, index % 10 * config.width, Math.floor(index / 10) * height, config.width, height); + if (!job.active()) + return; + let delivered = false; + canvas.toBlob(job.guard((blob) => { + if (delivered) + return; + delivered = true; + job.publish(blob, { height, column: 10, number: config.number, width: config.width, scale: config.scale }); + if (job.active()) { + index += 1; + seek(); + } + }), "image/jpeg"); + }); + if (job.active()) + video.currentTime = duration * index / config.number; + }); + seek(); + }); + if (job.active()) + video.src = config.url; +} +function cleanupAll(actions) { + let failure; + let failed = false; + for (const action of actions) { + try { + action(); + } catch (error) { + if (!failed) { + failed = true; + failure = error; + } + } + } + return { failed, failure }; +} +function createSession(publish, report) { + let closed = false; + let current; + let lastUrl; + const urls = /* @__PURE__ */ new Set(); + function release(url) { + if (urls.delete(url)) + URL.revokeObjectURL(url); + } + function cancel() { + const previous = current; + current = void 0; + previous?.dispose(); + } + function destroy() { + if (closed) + return; + closed = true; + const result = cleanupAll([cancel, ...[...urls].map((url) => () => release(url))]); + lastUrl = void 0; + if (result.failed) + report(result.failure); + } + function start() { + if (closed) + return; + const previous = current; + const actions = []; + let disposed = false; + const job = { + active: () => !closed && !disposed && current === job, + own(action) { + if (disposed) { + const result = cleanupAll([action]); + if (result.failed) + report(result.failure); + } else { + actions.push(action); + } + }, + dispose() { + if (disposed) + return; + disposed = true; + if (current === job) + current = void 0; + const result = cleanupAll(actions.splice(0).reverse()); + if (result.failed) + report(result.failure); + }, + fail(error) { + if (!job.active()) + return; + job.dispose(); + report(error); + }, + guard(callback) { + return (...args) => { + if (!job.active()) + return; + try { + return callback(...args); + } catch (error) { + job.fail(error); + } + }; + }, + publish(blob, config) { + if (!job.active()) + return; + if (!blob) + throw new Error("Auto-thumbnail encoding returned no Blob"); + const url = URL.createObjectURL(blob); + urls.add(url); + if (!job.active()) { + release(url); + return; + } + const previousUrl = lastUrl; + lastUrl = url; + try { + publish({ url, ...config }); + } catch (error) { + if (lastUrl === url) + lastUrl = urls.has(previousUrl) ? previousUrl : void 0; + const result = cleanupAll([() => release(url)]); + if (result.failed) + report(result.failure); + throw error; + } + release(previousUrl); + } + }; + current = job; + previous?.dispose(); + return job; + } + return { + start, + cancel, + destroy, + get closed() { + return closed; } - seekAndDraw(0); }; } function artplayerPluginAutoThumbnail(option) { return async (art) => { - art.on("video:loadedmetadata", () => { - const url = option.url || art.option.url; - const width = option.width || 160; - const number = option.number || 100; - const scale = option.scale || 1; - create({ url, width, number }, (config) => { - art.thumbnails = { - ...config, - column: 10, - number, - width, - scale - }; - }); - }); - return { - name: "artplayerPluginAutoThumbnail" + const report = (error) => console.warn("ArtPlayer auto-thumbnail failed:", error); + const session = createSession((config) => { + art.thumbnails = config; + }, report); + const subscriptions = []; + const onMetadata = () => { + const job = session.start(); + if (job) { + job.guard(() => { + const config = readOptions(option, () => art.option.url); + if (job.active()) + extract(job, config); + })(); + } }; + const onDestroy = () => { + const actions = subscriptions.splice(0); + const result = cleanupAll([session.destroy, ...actions]); + if (result.failed) + report(result.failure); + }; + try { + for (const [name, callback] of [["destroy", onDestroy], ["restart", session.cancel], ["video:loadedmetadata", onMetadata]]) { + if (session.closed) + break; + subscriptions.push(() => art.off(name, callback)); + art.on(name, callback); + if (session.closed) + art.off(name, callback); + } + } catch (error) { + onDestroy(); + throw error; + } + return { name: "artplayerPluginAutoThumbnail" }; }; } export { diff --git a/packages/artplayer-plugin-auto-thumbnail/src/extraction.js b/packages/artplayer-plugin-auto-thumbnail/src/extraction.js new file mode 100644 index 000000000..5ace488e2 --- /dev/null +++ b/packages/artplayer-plugin-auto-thumbnail/src/extraction.js @@ -0,0 +1,66 @@ +import { sheetSize } from './options' + +export default function extract(job, config) { + const video = document.createElement('video') + job.own(() => video.load()) + job.own(() => video.removeAttribute('src')) + job.own(() => video.pause()) + for (const property of ['onloadedmetadata', 'onseeked', 'onerror']) + job.own(() => { video[property] = null }) + if (!job.active()) + return + video.crossOrigin = 'anonymous' + video.onerror = job.guard(() => { + throw video.error || new Error('Auto-thumbnail media failed to load') + }) + video.onloadedmetadata = job.guard(() => { + video.onloadedmetadata = null + const duration = video.duration + const { height, canvasWidth, canvasHeight } = sheetSize(config, { + duration, + videoHeight: video.videoHeight, + videoWidth: video.videoWidth, + }) + if (!job.active()) + return + const canvas = document.createElement('canvas') + if (!job.active()) + return + canvas.width = canvasWidth + canvas.height = canvasHeight + const ctx = canvas.getContext('2d') + if (!ctx) + throw new Error('Auto-thumbnail canvas context is unavailable') + if (!job.active()) + return + let index = 0 + const seek = job.guard(() => { + if (index >= config.number) { + job.dispose() + return + } + video.onseeked = job.guard(() => { + video.onseeked = null + ctx.drawImage(video, (index % 10) * config.width, Math.floor(index / 10) * height, config.width, height) + if (!job.active()) + return + let delivered = false + canvas.toBlob(job.guard((blob) => { + if (delivered) + return + delivered = true + job.publish(blob, { height, column: 10, number: config.number, width: config.width, scale: config.scale }) + if (job.active()) { + index += 1 + seek() + } + }), 'image/jpeg') + }) + if (job.active()) + video.currentTime = duration * index / config.number + }) + seek() + }) + if (job.active()) + video.src = config.url +} diff --git a/packages/artplayer-plugin-auto-thumbnail/src/index.js b/packages/artplayer-plugin-auto-thumbnail/src/index.js index 7afba4029..35c9f1725 100644 --- a/packages/artplayer-plugin-auto-thumbnail/src/index.js +++ b/packages/artplayer-plugin-auto-thumbnail/src/index.js @@ -1,64 +1,44 @@ -function create({ url, width, number }, callback) { - const video = document.createElement('video') - video.crossOrigin = 'anonymous' - video.src = url - - video.onloadedmetadata = () => { - const duration = video.duration - const canvas = document.createElement('canvas') - const ctx = canvas.getContext('2d') - const height = Math.floor((width * video.videoHeight) / video.videoWidth) - - canvas.width = width * 10 - canvas.height = height * Math.ceil(number / 10) - - let blobUrl = null - - function seekAndDraw(index) { - canvas.toBlob((blob) => { - URL.revokeObjectURL(blobUrl) - blobUrl = URL.createObjectURL(blob) - - callback({ - url: blobUrl, - height, - }) - }, 'image/jpeg') - - if (index >= number) - return - video.currentTime = (duration * index) / number - - video.onseeked = () => { - ctx.drawImage(video, (index % 10) * width, Math.floor(index / 10) * height, width, height) - seekAndDraw(index + 1) - } - } - - seekAndDraw(0) - } -} +import extract from './extraction' +import { readOptions } from './options' +import createSession, { cleanupAll } from './session' export default function artplayerPluginAutoThumbnail(option) { return async (art) => { - art.on('video:loadedmetadata', () => { - const url = option.url || art.option.url - const width = option.width || 160 - const number = option.number || 100 - const scale = option.scale || 1 - create({ url, width, number }, (config) => { - art.thumbnails = { - ...config, - column: 10, - number, - width, - scale, - } - }) - }) - - return { - name: 'artplayerPluginAutoThumbnail', + const report = error => console.warn('ArtPlayer auto-thumbnail failed:', error) + const session = createSession((config) => { + art.thumbnails = config + }, report) + const subscriptions = [] + const onMetadata = () => { + const job = session.start() + if (job) { + job.guard(() => { + const config = readOptions(option, () => art.option.url) + if (job.active()) + extract(job, config) + })() + } } + const onDestroy = () => { + const actions = subscriptions.splice(0) + const result = cleanupAll([session.destroy, ...actions]) + if (result.failed) + report(result.failure) + } + try { + for (const [name, callback] of [['destroy', onDestroy], ['restart', session.cancel], ['video:loadedmetadata', onMetadata]]) { + if (session.closed) + break + subscriptions.push(() => art.off(name, callback)) + art.on(name, callback) + if (session.closed) + art.off(name, callback) + } + } + catch (error) { + onDestroy() + throw error + } + return { name: 'artplayerPluginAutoThumbnail' } } } diff --git a/packages/artplayer-plugin-auto-thumbnail/src/options.js b/packages/artplayer-plugin-auto-thumbnail/src/options.js new file mode 100644 index 000000000..6006ab83e --- /dev/null +++ b/packages/artplayer-plugin-auto-thumbnail/src/options.js @@ -0,0 +1,22 @@ +export function readOptions(option, getFallbackUrl) { + const config = { + url: option.url || getFallbackUrl(), + width: option.width || 160, + number: option.number || 100, + scale: option.scale || 1, + } + if (!Number.isFinite(Number(config.width)) || config.width <= 0 || !Number.isFinite(Number(config.number)) || config.number <= 0) + throw new TypeError('Auto-thumbnail width and number must be finite positive numbers') + return config +} + +export function sheetSize(config, video) { + if (!Number.isFinite(video.duration) || video.duration <= 0 || !Number.isFinite(video.videoWidth) || video.videoWidth <= 0 || !Number.isFinite(video.videoHeight) || video.videoHeight <= 0) + throw new TypeError('Auto-thumbnail requires finite media duration and dimensions') + const height = Math.floor(config.width * video.videoHeight / video.videoWidth) + const canvasWidth = Math.trunc(config.width * 10) + const canvasHeight = Math.trunc(height * Math.ceil(config.number / 10)) + if (![height, canvasWidth, canvasHeight].every(value => Number.isSafeInteger(value) && value > 0 && value <= 0xFFFFFFFF)) + throw new RangeError('Auto-thumbnail canvas dimensions are invalid') + return { height, canvasWidth, canvasHeight } +} diff --git a/packages/artplayer-plugin-auto-thumbnail/src/session.js b/packages/artplayer-plugin-auto-thumbnail/src/session.js new file mode 100644 index 000000000..07368ba6b --- /dev/null +++ b/packages/artplayer-plugin-auto-thumbnail/src/session.js @@ -0,0 +1,130 @@ +export function cleanupAll(actions) { + let failure + let failed = false + for (const action of actions) { + try { + action() + } + catch (error) { + if (!failed) { + failed = true + failure = error + } + } + } + return { failed, failure } +} + +export default function createSession(publish, report) { + let closed = false + let current + let lastUrl + const urls = new Set() + + function release(url) { + if (urls.delete(url)) + URL.revokeObjectURL(url) + } + + function cancel() { + const previous = current + current = undefined + previous?.dispose() + } + + function destroy() { + if (closed) + return + closed = true + const result = cleanupAll([cancel, ...[...urls].map(url => () => release(url))]) + lastUrl = undefined + if (result.failed) + report(result.failure) + } + + function start() { + if (closed) + return + // Install the replacement before cleanup, which can reenter through host APIs. + const previous = current + const actions = [] + let disposed = false + const job = { + active: () => !closed && !disposed && current === job, + own(action) { + if (disposed) { + const result = cleanupAll([action]) + if (result.failed) + report(result.failure) + } + else { + actions.push(action) + } + }, + dispose() { + if (disposed) + return + disposed = true + if (current === job) + current = undefined + const result = cleanupAll(actions.splice(0).reverse()) + if (result.failed) + report(result.failure) + }, + fail(error) { + if (!job.active()) + return + job.dispose() + report(error) + }, + guard(callback) { + return (...args) => { + if (!job.active()) + return + try { + return callback(...args) + } + catch (error) { + job.fail(error) + } + } + }, + publish(blob, config) { + if (!job.active()) + return + if (!blob) + throw new Error('Auto-thumbnail encoding returned no Blob') + const url = URL.createObjectURL(blob) + urls.add(url) + if (!job.active()) { + release(url) + return + } + const previousUrl = lastUrl + lastUrl = url + try { + publish({ url, ...config }) + } + catch (error) { + if (lastUrl === url) + lastUrl = urls.has(previousUrl) ? previousUrl : undefined + const result = cleanupAll([() => release(url)]) + if (result.failed) + report(result.failure) + throw error + } + release(previousUrl) + }, + } + current = job + previous?.dispose() + return job + } + + return { + start, + cancel, + destroy, + get closed() { return closed }, + } +} diff --git a/refactor/baselines/auto-thumbnail-lifecycle-checkpoint.json b/refactor/baselines/auto-thumbnail-lifecycle-checkpoint.json new file mode 100644 index 000000000..e7f457eee --- /dev/null +++ b/refactor/baselines/auto-thumbnail-lifecycle-checkpoint.json @@ -0,0 +1,1335 @@ +{ + "schemaVersion": 1, + "task": "PKG-AUTO-THUMB-03", + "status": "doing", + "parentCommit": "9cd6659ab4c856d853d67c71c0353fc49c70ef5e", + "checks": [ + { + "command": "ARTPLAYER_AUTO_THUMBNAIL_BASELINE=1 node --test test/auto-thumbnail-lifecycle.test.js", + "result": "expected-failures", + "tests": 24, + "passed": 2, + "failed": 22, + "log": "refactor/.cache/auto-thumbnail03-lifecycle-verified-before.log", + "scope": "Twenty-two lifecycle fixes fail historically; explicit URL short-circuit and metadata duration snapshot compatibility cases pass historically." + }, + { + "command": "node --test test/auto-thumbnail-lifecycle.test.js", + "variant": "source", + "result": "pass", + "tests": 24, + "log": "refactor/.cache/auto-thumbnail03-lifecycle-verified-source.log" + }, + { + "command": "node --test test/auto-thumbnail-lifecycle.test.js", + "variant": "main", + "result": "pass", + "tests": 24, + "log": "refactor/.cache/auto-thumbnail03-lifecycle-verified-main.log" + }, + { + "command": "node --test test/auto-thumbnail-lifecycle.test.js", + "variant": "legacy", + "result": "pass", + "tests": 24, + "log": "refactor/.cache/auto-thumbnail03-lifecycle-verified-legacy.log" + }, + { + "command": "yarn build artplayer-plugin-auto-thumbnail", + "result": "pass", + "log": "refactor/.cache/auto-thumbnail03-build-verified.log" + }, + { + "command": "yarn ci:check", + "result": "pass", + "tests": { + "unit": 1544, + "engineering": 14, + "baseline": 232, + "total": 1790 + }, + "strictProductionTypeScriptFiles": 339, + "log": "refactor/.cache/auto-thumbnail03-ci-verified.log", + "logSha256": "3e08a72766da5e3f4ddfcec3d39cf423bdde7b7810c6846e9cbf3d1a13bb254a", + "scope": "Auto-thumbnail remains JavaScript for this task03 checkpoint; its source is not counted as migrated TypeScript." + } + ], + "limitations": [ + "Intermediate JavaScript ownership refactor; strict TypeScript and public declarations remain task04.", + "Native lifecycle results do not prove accurate or usable extracted pixels; AUTO-THUMB-PIXEL-01 remains open.", + "Hidden rendering, frame timing, resource budget and additional reentry/cleanup boundaries remain task03.", + "Stub browser hosts are not old/final core integration, actual docs/editor or physical Safari evidence.", + "Existing CJS generation and public type differences remain explicit task04/06 work." + ], + "checkpointValidatedAt": "2026-09-12T22:54:01.794Z", + "initialChecks": [ + { + "command": "ARTPLAYER_AUTO_THUMBNAIL_BASELINE=1 node --test test/auto-thumbnail-lifecycle.test.js", + "result": "expected-failures", + "tests": 22, + "passed": 0, + "failed": 22, + "log": "refactor/.cache/auto-thumbnail03-lifecycle-before.log" + }, + { + "command": "node --test test/auto-thumbnail-lifecycle.test.js", + "variant": "source", + "result": "pass", + "tests": 22, + "log": "refactor/.cache/auto-thumbnail03-lifecycle-source.log" + }, + { + "command": "node --test test/auto-thumbnail-lifecycle.test.js", + "variant": "main", + "result": "pass", + "tests": 22, + "log": "refactor/.cache/auto-thumbnail03-lifecycle-main.log" + }, + { + "command": "node --test test/auto-thumbnail-lifecycle.test.js", + "variant": "legacy", + "result": "pass", + "tests": 22, + "log": "refactor/.cache/auto-thumbnail03-lifecycle-legacy.log" + }, + { + "command": "yarn build artplayer-plugin-auto-thumbnail", + "result": "pass", + "log": "refactor/.cache/auto-thumbnail03-build.log" + } + ], + "caughtBeforeCommit": [ + { + "issue": "An eager fallback URL argument read art.option even when explicit option.url was truthy.", + "preFixLog": "refactor/.cache/auto-thumbnail03-lazy-before.log", + "preFixPassed": 22, + "preFixFailed": 1, + "correction": "Use a lazy fallback callback; preserve original short-circuit order and the historical passing test." + }, + { + "issue": "Reading mutable video.duration at every seek shifted the remaining frame times.", + "preFixLog": "refactor/.cache/auto-thumbnail03-duration-before.log", + "preFixPassed": 23, + "preFixFailed": 1, + "correction": "Capture the metadata duration and dimensions, retaining the historical frame-time snapshot." + } + ], + "actualEntryModes": [ + { + "name": "main-require", + "entry": "./dist/artplayer-plugin-auto-thumbnail.js", + "result": "pass", + "sha256": "deae7e5e06be58248783bea0e840f4c51bdc32e5a98e5dabc1ef203c00091373", + "scope": "Actual built entry and registration without DOM access; not an installed tarball test." + }, + { + "name": "legacy-require", + "entry": "./dist/artplayer-plugin-auto-thumbnail.legacy.js", + "result": "pass", + "sha256": "bea5f27be7ef794cd47ea8d809e05be672849a24396b59b41242f41fb5f0be55", + "scope": "Actual built entry and registration without DOM access; not an installed tarball test." + }, + { + "name": "legacy-import", + "entry": "./dist/artplayer-plugin-auto-thumbnail.legacy.js", + "result": "pass", + "sha256": "bea5f27be7ef794cd47ea8d809e05be672849a24396b59b41242f41fb5f0be55", + "scope": "Actual built entry and registration without DOM access; 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This checkpoint does not establish accurate extracted pixels; AUTO-THUMB-PIXEL-01 remains open.", + "before": { + "urls": 0, + "updates": 0 + }, + "after": { + "urls": 0, + "updates": 0 + }, + "video": { + "src": null, + "readyState": 0, + "paused": true, + "handlers": [ + true, + true, + true + ] + }, + "final": { + "urls": 0, + "listeners": 0, + "updates": 0 + }, + "blobs": [ + { + "type": "image/jpeg", + "bytes": 4076 + } + ], + "result": { + "name": "artplayerPluginAutoThumbnail" + } + }, + { + "browser": "firefox", + "browserVersion": "155.0", + "scenario": "restart", + "sha256": "bea5f27be7ef794cd47ea8d809e05be672849a24396b59b41242f41fb5f0be55", + "scope": "Actual HTTP decoding/seek/JPEG lifecycle with a stub player host. This checkpoint does not establish accurate extracted pixels; AUTO-THUMB-PIXEL-01 remains open.", + "before": { + "urls": 0, + "updates": 0 + }, + "after": { + "urls": 0, + "updates": 0 + }, + "video": { + "src": null, + "readyState": 0, + "paused": true, + "handlers": [ + true, + true, + true + ] + }, + "final": { + "urls": 0, + "listeners": 0, + "updates": 0 + }, + "blobs": [ + { + "type": "image/jpeg", + "bytes": 4076 + } + ], + "result": { + "name": "artplayerPluginAutoThumbnail" + } + }, + { + "browser": "firefox", + "browserVersion": "155.0", + "scenario": "complete", + "sha256": "bea5f27be7ef794cd47ea8d809e05be672849a24396b59b41242f41fb5f0be55", + "scope": "Actual HTTP decoding/seek/JPEG lifecycle with a stub player host. This checkpoint does not establish accurate extracted pixels; AUTO-THUMB-PIXEL-01 remains open.", + "before": { + "urls": 1, + "updates": 2 + }, + "after": { + "urls": 1, + "updates": 2 + }, + "video": { + "src": null, + "readyState": 0, + "paused": true, + "handlers": [ + true, + true, + true + ] + }, + "final": { + "urls": 0, + "listeners": 0, + "updates": 2 + }, + "blobs": [ + { + "type": "image/jpeg", + "bytes": 4076 + }, + { + "type": "image/jpeg", + "bytes": 6752 + } + ], + "result": { + "name": "artplayerPluginAutoThumbnail" + } + }, + { + "browser": "webkit", + "browserVersion": "26.6", + "scenario": "destroy", + "sha256": "bea5f27be7ef794cd47ea8d809e05be672849a24396b59b41242f41fb5f0be55", + "scope": "Actual HTTP decoding/seek/JPEG lifecycle with a stub player host. This checkpoint does not establish accurate extracted pixels; AUTO-THUMB-PIXEL-01 remains open.", + "before": { + "urls": 0, + "updates": 0 + }, + "after": { + "urls": 0, + "updates": 0 + }, + "video": { + "src": null, + "readyState": 0, + "paused": true, + "handlers": [ + true, + true, + true + ] + }, + "final": { + "urls": 0, + "listeners": 0, + "updates": 0 + }, + "blobs": [ + { + "type": "image/jpeg", + "bytes": 983 + } + ], + "result": { + "name": "artplayerPluginAutoThumbnail" + } + }, + { + "browser": "webkit", + "browserVersion": "26.6", + "scenario": "restart", + "sha256": "bea5f27be7ef794cd47ea8d809e05be672849a24396b59b41242f41fb5f0be55", + "scope": "Actual HTTP decoding/seek/JPEG lifecycle with a stub player host. This checkpoint does not establish accurate extracted pixels; AUTO-THUMB-PIXEL-01 remains open.", + "before": { + "urls": 0, + "updates": 0 + }, + "after": { + "urls": 0, + "updates": 0 + }, + "video": { + "src": null, + "readyState": 0, + "paused": true, + "handlers": [ + true, + true, + true + ] + }, + "final": { + "urls": 0, + "listeners": 0, + "updates": 0 + }, + "blobs": [ + { + "type": "image/jpeg", + "bytes": 983 + } + ], + "result": { + "name": "artplayerPluginAutoThumbnail" + } + }, + { + "browser": "webkit", + "browserVersion": "26.6", + "scenario": "complete", + "sha256": "bea5f27be7ef794cd47ea8d809e05be672849a24396b59b41242f41fb5f0be55", + "scope": "Actual HTTP decoding/seek/JPEG lifecycle with a stub player host. This checkpoint does not establish accurate extracted pixels; AUTO-THUMB-PIXEL-01 remains open.", + "before": { + "urls": 1, + "updates": 2 + }, + "after": { + "urls": 1, + "updates": 2 + }, + "video": { + "src": null, + "readyState": 0, + "paused": true, + "handlers": [ + true, + true, + true + ] + }, + "final": { + "urls": 0, + "listeners": 0, + "updates": 2 + }, + "blobs": [ + { + "type": "image/jpeg", + "bytes": 983 + }, + { + "type": "image/jpeg", + "bytes": 983 + } + ], + "result": { + "name": "artplayerPluginAutoThumbnail" + } + } + ] + } + ], + "artifacts": [ + { + "file": "packages/artplayer-plugin-auto-thumbnail/dist/artplayer-plugin-auto-thumbnail.js", + "copy": "docs/compiled/artplayer-plugin-auto-thumbnail.js", + "bytes": 4112, + "sha256": "deae7e5e06be58248783bea0e840f4c51bdc32e5a98e5dabc1ef203c00091373", + "copiedBytesEqual": true + }, + { + "file": "packages/artplayer-plugin-auto-thumbnail/dist/artplayer-plugin-auto-thumbnail.legacy.js", + "copy": "docs/compiled/artplayer-plugin-auto-thumbnail.legacy.js", + "bytes": 4692, + "sha256": "bea5f27be7ef794cd47ea8d809e05be672849a24396b59b41242f41fb5f0be55", + "copiedBytesEqual": true + }, + { + "file": "packages/artplayer-plugin-auto-thumbnail/dist/artplayer-plugin-auto-thumbnail.mjs", + "copy": "docs/compiled/artplayer-plugin-auto-thumbnail.mjs", + "bytes": 7572, + "sha256": "712d3e409280fb44171dfeb9ea53ed066895039b2650c3b2e4e682e39db12dde", + "copiedBytesEqual": true + } + ], + "inputs": [ + { + "file": "package.json", + "sha256LF": "c4897904a6d279110ad03ef9442766c70963f14ff876a2d115d0aac7d87d4460" + }, + { + "file": "packages/artplayer-plugin-auto-thumbnail/ARCHITECTURE.md", + "sha256LF": "3bec89a7713616f4118ee1cba1d9154c9d0f4ead3794c53e2b24d4777ae5aece" + }, + { + "file": "packages/artplayer-plugin-auto-thumbnail/src/index.js", + "sha256LF": "6ecc757ac74d961fb0bda13d58582f0845e29b62f10e351a267b67adb7b684b8" + }, + { + "file": "packages/artplayer-plugin-auto-thumbnail/src/options.js", + "sha256LF": "11c88fe9682d0736d28a128b352f34832a8ed2a7a82fb6e92e44fc85b7458056" + }, + { + "file": "packages/artplayer-plugin-auto-thumbnail/src/session.js", + "sha256LF": "14b69480a829d15c9a74995fc398296ad10983bd3a177aa1ddc0205273afa6ec" + }, + { + "file": "packages/artplayer-plugin-auto-thumbnail/src/extraction.js", + "sha256LF": "9c7707238f955387242241c45faa6ec6e8ef9f007641b98380f77903b30bc729" + }, + { + "file": "test/helpers/auto-thumbnail.js", + "sha256LF": "52014dfddbe3677f43dc4bbaef88a6688b4520c559a192343ec91da961b6cc52" + }, + { + "file": "test/auto-thumbnail-lifecycle.test.js", + "sha256LF": "2d2cca2072be2679c7e7068b183d9e563d62053776afdc58825263c0aad5ff45" + }, + { + "file": "test/browser/auto-thumbnail-lifecycle.spec.js", + "sha256LF": "609141b9500b26034bf06b37b0e0597fc799e36b0cd3ab28f724d8450b866d36" + } + ] +} diff --git a/refactor/changes/2026-09-13-PKG-AUTO-THUMB-03-lifecycle-checkpoint.md b/refactor/changes/2026-09-13-PKG-AUTO-THUMB-03-lifecycle-checkpoint.md new file mode 100644 index 000000000..e8f82af25 --- /dev/null +++ b/refactor/changes/2026-09-13-PKG-AUTO-THUMB-03-lifecycle-checkpoint.md @@ -0,0 +1,36 @@ +# PKG-AUTO-THUMB-03 任务与资源所有权检查点（doing） + +生产入口拆为index/options/session/extraction四个JS模块。入口只负责公开异步注册、 +活options和核心事件；session拥有当前任务及生成的URL，extraction只接收受保护的job +和本次配置。新增包内ARCHITECTURE.md，严格TS及公开声明留在04，不冒充已迁移。 + +旧任务在restart/重复metadata/destroy前失效，metadata/seek/Blob迟到回调不能再写入。 +先draw有效帧再串行编码，移除空白初始encode和并发回调倒退，重复Blob回调只消费一次。 +完成后也pause/清空src/load释放decoder，最终URL保留到下一张可用图或destroy；失败保留 +此前可用预览，只收回本包URL。核心setter异常、原生media错误、缺context、draw/encode/ +null Blob都有失败归属并通过console.warn观察，公开注册Promise保持原时序和Result形状。 + +注册失败回滚监听器并保持原拒绝值；清理中pause抛错也继续后续清理。新任务先安装 +再释放旧任务，覆盖清理/参数getter/媒体getter/URL创建/宿主setter中的同步重入。 +保留十列/帧起点/比例高度/活参数/defaults/忽略height，及旧JS可转换数字字符串和 +小数number的ceil抽帧行为；非有限和无效画布维度提前终止。unsigned整数界限不代表 +完整内存预算，后续仍需审查；不会靠一个粗略限制偷偷改变可用的大图调用。 + +24项候选测试在冻结旧版2通过/22失败，源码/main/legacy各24通过；两个通过项保留旧URL +短路及metadata时长快照，22项失败对应已修复生命周期问题。原生验证针对 +真实HTTP/video/seek/JPEG回调的destroy/restart/complete资源所有权，明确不是像素修复 +或最终核心组合。WebKit分离decoder的像素风险保持open，本任务继续doing；剩余03需 +完善隐藏渲染/精确帧时间/资源预算与进一步边界，再进入04。 + +正常包构建再生三份dist和docs/compiled副本，没有手改产物。根test:auto-thumbnail及 +test:unit接入24项候选回归，没有新依赖或版本升级。生产源码改变后的每份浏览器 +报告独立保存；此前历史像素报告不拿来充当候选像素证据。 + +见[验证](../baselines/auto-thumbnail-lifecycle-checkpoint.json)与包内维护地图。 +本地检查点提交可单独回退源码/测试/文档；若撤回实现，重新运行正常包构建。 +不推送、不发布；不将本检查点提交计为完成整个03任务。 + +最终完整CI1790项（1544单元+14工程+232基线）、339生产TS通过。最终候选各24项， +旧版2通过/22失败；两项额外兼容回归抓住并修复本次引入的fallback提前读取和duration +快照偏差。源码/main/legacy原生生命周期各9共27项重新通过，无重试/跳过/未处理页面错误； +本检查点不声称像素问题已修复。 diff --git a/refactor/plan.md b/refactor/plan.md index a7643132a..b8baf94b2 100644 --- a/refactor/plan.md +++ b/refactor/plan.md @@ -4,7 +4,7 @@ 基线：`40fcda6a37d0049d42e49c1e64e70d4fd9ba5f7f`。总任务 222 项，范围 22 个包及工作区/示例。 -状态：todo 97 / doing 11 / blocked 0 / done 114 / deferred 0。风险 L/M/H 表示兼容风险，不表示工期。 +状态：todo 96 / doing 12 / blocked 0 / done 114 / deferred 0。风险 L/M/H 表示兼容风险，不表示工期。 前置依赖是启动条件；验收是完成条件。任务可以继续拆分，但不能复用或悄悄删除旧 ID。 @@ -173,7 +173,7 @@ | --- | --- | --- | --- | --- | --- | --- | | PKG-AUTO-THUMB-01 | artplayer-plugin-auto-thumbnail
核对包契约与历史用法 | BASE-05 | url/width/number/scale、异步工厂和渐进缩略图更新 | 源码/声明/README/demo/发布包差异已登记；公开形状和版本范围冻结 | H | done | | PKG-AUTO-THUMB-02 | artplayer-plugin-auto-thumbnail
建立特有行为与错误测试 | PKG-AUTO-THUMB-01, ENG-03, ENG-05 | 抽帧边界、短视频、失败、连续来源和销毁中的抽帧 | 旧版本行为可重跑，成功/失败/切源/销毁有必要断言 | H | done | -| PKG-AUTO-THUMB-03 | artplayer-plugin-auto-thumbnail
整理内部职责与资源 | PKG-AUTO-THUMB-02, CORE-09, CORE-19 | 隐藏 video、seek 队列、canvas 编码与 Blob URL 清理 | 结构变化和缺陷修复分开记录；原 API/事件/资源生命周期通过 | H | todo | +| PKG-AUTO-THUMB-03 | artplayer-plugin-auto-thumbnail
整理内部职责与资源 | PKG-AUTO-THUMB-02, CORE-09, CORE-19 | 隐藏 video、seek 队列、canvas 编码与 Blob URL 清理 | 结构变化和缺陷修复分开记录；原 API/事件/资源生命周期通过 | H | doing | | PKG-AUTO-THUMB-04 | artplayer-plugin-auto-thumbnail
迁移自有源码和公开类型 | PKG-AUTO-THUMB-03, ENG-04, ENG-06, CORE-07 | 抽帧结果和真实异步插件返回类型兼容 | 严格类型检查、旧消费样例通过；声明路径/导出和同步异步兼容 | H | todo | | PKG-AUTO-THUMB-05 | artplayer-plugin-auto-thumbnail
验证新旧核心和组合 | PKG-AUTO-THUMB-04, CORE-22 | 旧核心/候选核心预览、多次加载无过期缩略图覆盖 | 最终核心与原支持范围核心分别通过；设备/SDK 缺证据不能标完成 | H | todo | | PKG-AUTO-THUMB-06 | artplayer-plugin-auto-thumbnail
验证分发并同步文档 | PKG-AUTO-THUMB-05, ENG-07 | auto.thumbnail.js、三种产物和内存/URL 证据 | tarball 入口/资源、类型、8082 demo 和 README 一致，有回退记录 | H | todo | @@ -496,6 +496,7 @@ - PKG-AUDIO-05: [记录](changes/2026-09-12-PKG-AUDIO-05-combinations.md) [记录](baselines/audio-combinations-first.json) [记录](baselines/audio-combinations-checkpoint.json) [记录](audio-validation.md) - PKG-AUTO-THUMB-01: [记录](baselines/auto-thumbnail-release.json) [记录](baselines/auto-thumbnail-contract.md) [记录](changes/2026-09-13-PKG-AUTO-THUMB-01-contract.md) [记录](baselines/auto-thumbnail-contract-validation.json) - PKG-AUTO-THUMB-02: [记录](baselines/auto-thumbnail-failures.md) [记录](baselines/auto-thumbnail-failures-validation.json) [记录](changes/2026-09-13-PKG-AUTO-THUMB-02-failures.md) +- PKG-AUTO-THUMB-03: [记录](changes/2026-09-13-PKG-AUTO-THUMB-03-lifecycle-checkpoint.md) [记录](baselines/auto-thumbnail-lifecycle-checkpoint.json) - PKG-HLS-01: [记录](baselines/hls-control-contract.md) [记录](baselines/hls-control-release.json) [记录](changes/2026-09-11-PKG-HLS-01-contract.md) - PKG-HLS-02: [记录](hls-validation.md) [记录](baselines/hls-sdk.json) [记录](baselines/hls-validation.json) [记录](changes/2026-09-11-PKG-HLS-02-tests.md) - PKG-HLS-03: [记录](changes/2026-09-12-PKG-HLS-03-modules.md) [记录](baselines/hls-modules-validation.json) [记录](hls-validation.md) diff --git a/refactor/progress.md b/refactor/progress.md index 0666437a2..6bdd93d8b 100644 --- a/refactor/progress.md +++ b/refactor/progress.md @@ -1,5 +1,19 @@ # 进度与证据 +## PKG-AUTO-THUMB-03 源码任务与资源所有权检查点（doing） + +生产源码拆为index/options/session/extraction，保持异步公开注册与原有效配置语义。 +串行有效帧编码、任务取消和URL归属取代无主回调；完成/切源/destroy均回收decoder， +失败保留此前有效预览，修复重复回调、null Blob、原生错误及宿主setter/参数getter重入。 +24项回归旧版2通过/22失败；源码/main/legacy各24通过；三份原生生命周期各9共27通过。 +提交前抓住并修复fallback提前读取和duration快照两处新增偏差，重新验证最终实现。 +完整CI1790项、339生产TS通过；本包此时仍为JS，04才迁严格TS。正常构建再生三份产物及 +docs副本，包内维护地图同步。黑帧/准确帧时间/资源预算及更多边界仍需03继续，不能将 +生命周期通过当成像素或最终核心验收。相关风险保持open，提交仅为03检查点。 +见[变更](changes/2026-09-13-PKG-AUTO-THUMB-03-lifecycle-checkpoint.md)和 +[验证](baselines/auto-thumbnail-lifecycle-checkpoint.json)。222项：114 done、12 doing、96 todo。 + + ## PKG-AUTO-THUMB-02 完成：失败回归和原生抽帧对照 64项旧行为测试覆盖8份冻结夹具的销毁/切源/重复metadata/逆序Blob/null Blob/ diff --git a/refactor/risks.json b/refactor/risks.json index cb189145e..3af50a0eb 100644 --- a/refactor/risks.json +++ b/refactor/risks.json @@ -4064,11 +4064,14 @@ "refactor/scripts/auto-thumbnail-contract.test.mjs", "test/auto-thumbnail.test.js", "refactor/baselines/auto-thumbnail-failures.md", - "refactor/baselines/auto-thumbnail-failures-validation.json" + "refactor/baselines/auto-thumbnail-failures-validation.json", + "test/auto-thumbnail-lifecycle.test.js", + "test/browser/auto-thumbnail-lifecycle.spec.js", + "refactor/baselines/auto-thumbnail-lifecycle-checkpoint.json" ], "compatibleResolution": "Cancel obsolete work and release owned resources while retaining live options and progressive usable sheet updates.", "closureCriteria": "Delayed callbacks, repeated metadata, switching, destroy, multiple instances and failure cleanup are reproduced then pass source/artifacts and native browser checks.", - "workspaceState": "Task02 reproduces old failures with 64 controlled tests and native delayed JPEG callbacks. Candidate fixes, numeric validation, reentrancy and complete cleanup boundaries remain task03; status stays open." + "workspaceState": "Task03 ownership checkpoint: 22 candidate lifecycle regressions fail on frozen source and pass on source/main/legacy; two further explicit-URL short-circuit and duration-snapshot cases preserve historical successes. Final candidate runs have 24 passing cases each; 27 native lifecycle cases verify destroy/restart/completion and URL/decoder cleanup. New index/options/session/extraction modules fix serial encoding, stale callbacks, failure cleanup and selected reentry paths. Pixel/frame correctness, resource budgets and additional boundaries remain for task03; old/final core acceptance remains task05. Risk stays open rather than claiming complete extraction repair." }, { "id": "AUTO-THUMB-ENCODE-01", @@ -4086,11 +4089,14 @@ "refactor/scripts/auto-thumbnail-contract.test.mjs", "test/auto-thumbnail.test.js", "refactor/baselines/auto-thumbnail-failures.md", - "refactor/baselines/auto-thumbnail-failures-validation.json" + "refactor/baselines/auto-thumbnail-failures-validation.json", + "test/auto-thumbnail-lifecycle.test.js", + "test/browser/auto-thumbnail-lifecycle.spec.js", + "refactor/baselines/auto-thumbnail-lifecycle-checkpoint.json" ], "compatibleResolution": "Preserve JPEG grid/time/scale while bounding jobs, sequencing valid updates and handling null Blob, invalid media and thrown callbacks.", "closureCriteria": "Fault controls and native valid/corrupt media prove no stale sheet replacement, leaked URLs or unhandled async callbacks; capability limitations remain explicit.", - "workspaceState": "Task02 reproduces old failures with 64 controlled tests and native delayed JPEG callbacks. Candidate fixes, numeric validation, reentrancy and complete cleanup boundaries remain task03; status stays open." + "workspaceState": "Task03 ownership checkpoint: 22 candidate lifecycle regressions fail on frozen source and pass on source/main/legacy; two further explicit-URL short-circuit and duration-snapshot cases preserve historical successes. Final candidate runs have 24 passing cases each; 27 native lifecycle cases verify destroy/restart/completion and URL/decoder cleanup. New index/options/session/extraction modules fix serial encoding, stale callbacks, failure cleanup and selected reentry paths. Pixel/frame correctness, resource budgets and additional boundaries remain for task03; old/final core acceptance remains task05. Risk stays open rather than claiming complete extraction repair." }, { "id": "AUTO-THUMB-PIXEL-01", diff --git a/refactor/tasks.json b/refactor/tasks.json index 294621054..90345da58 100644 --- a/refactor/tasks.json +++ b/refactor/tasks.json @@ -1777,11 +1777,14 @@ "CORE-09", "CORE-19" ], - "status": "todo", + "status": "doing", "risk": "H", "deliverable": "隐藏 video、seek 队列、canvas 编码与 Blob URL 清理", "acceptance": "结构变化和缺陷修复分开记录；原 API/事件/资源生命周期通过", - "evidence": [] + "evidence": [ + "changes/2026-09-13-PKG-AUTO-THUMB-03-lifecycle-checkpoint.md", + "baselines/auto-thumbnail-lifecycle-checkpoint.json" + ] }, { "id": "PKG-AUTO-THUMB-04", diff --git a/test/auto-thumbnail-lifecycle.test.js b/test/auto-thumbnail-lifecycle.test.js new file mode 100644 index 000000000..7136409c8 --- /dev/null +++ b/test/auto-thumbnail-lifecycle.test.js @@ -0,0 +1,331 @@ +import assert from 'node:assert/strict' +// eslint-disable-next-line test/no-import-node-test -- Repository Node lifecycle regression runner. +import test from 'node:test' +import { autoThumbnailCandidate, autoThumbnailEnvironment } from './helpers/auto-thumbnail.js' + +const implementation = await autoThumbnailCandidate() +async function setup(option = { width: 80, number: 2 }) { + const env = autoThumbnailEnvironment(implementation) + const result = env.factory(option)(env.art) + assert.equal(typeof result.then, 'function') + assert.deepEqual({ ...await result }, { name: 'artplayerPluginAutoThumbnail' }) + env.art.emit('video:loadedmetadata') + return env +} +function assertClosed(env, video = env.videos[0]) { + assert.equal(video.src, undefined) + for (const key of ['onloadedmetadata', 'onseeked', 'onerror']) assert.equal(video[key], null) + assert(env.operations.some(item => item.name === 'pause' && item.video === video)) + assert(env.operations.some(item => item.name === 'load' && item.video === video)) +} + +test('Auto-thumbnail candidate serializes valid JPEG updates and retains only the final URL until destroy', async () => { + const env = await setup({ width: 80, number: 2, scale: 0.5, height: 999 }) + env.metadata() + assert.equal(env.blobs.length, 0, 'No empty preview is encoded') + assert.equal(env.operations.find(item => item.name === 'seek').handlerInstalled, true) + env.seeked() + assert.equal(env.blobs.length, 1) + assert.equal(env.blobs[0].draws.length, 1) + env.seeked() + assert.equal(env.blobs.length, 1, 'No next frame starts while encoding is pending') + env.finish() + env.seeked() + env.finish(1) + assert.deepEqual(env.operations.filter(item => item.name === 'seek').map(item => item.value), [0, 60]) + assert.deepEqual(env.canvases[0].draws.map(args => args.slice(1)), [[0, 0, 80, 45], [80, 0, 80, 45]]) + assert.equal(env.updates.length, 2) + assert.deepEqual({ ...env.updates[1] }, { url: 'blob:auto-thumbnail-2', height: 45, column: 10, number: 2, width: 80, scale: 0.5 }) + assert.equal(env.urls.size, 1) + assertClosed(env) + env.art.emit('destroy') + assert.equal(env.urls.size, 0) +}) + +test('Auto-thumbnail candidate destroys pending metadata without creating later canvases', async () => { + const env = await setup() + const callback = env.videos[0].onloadedmetadata + env.art.emit('destroy') + callback() + assert.equal(env.canvases.length, 0) + assertClosed(env) + assert([...env.listeners.values()].every(set => set.size === 0)) +}) + +test('Auto-thumbnail candidate ignores Blob delivery after destroy and repeated destruction', async () => { + const env = await setup() + env.metadata() + env.seeked() + env.art.emit('destroy') + env.finish() + env.art.emit('destroy') + assert.equal(env.updates.length, 0) + assert.equal(env.urls.size, 0) + assertClosed(env) +}) + +test('Auto-thumbnail candidate prevents old metadata from replacing the new source', async () => { + const options = { width: 80, number: 1 } + const env = await setup(options) + const oldVideo = env.videos[0] + const oldMetadata = oldVideo.onloadedmetadata + env.art.option.url = 'new.mp4' + options.width = 160 + env.art.emit('video:loadedmetadata') + oldMetadata() + assert.equal(env.canvases.length, 0) + env.metadata() + env.seeked() + env.finish() + assert.equal(env.updates.length, 1) + assert.equal(env.updates[0].width, 160) + assertClosed(env, oldVideo) + env.art.emit('destroy') + assert.equal(env.urls.size, 0) +}) + +test('Auto-thumbnail candidate restart cancels encoding before replacement metadata', async () => { + const env = await setup() + env.metadata() + env.seeked() + env.art.emit('restart') + env.finish() + assert.equal(env.updates.length, 0) + assert.equal(env.urls.size, 0) + assertClosed(env) + env.art.emit('video:loadedmetadata') + assert.equal(env.videos.length, 2) + env.art.emit('destroy') +}) + +test('Auto-thumbnail candidate delivers each Blob callback once', async () => { + const env = await setup() + env.metadata() + env.seeked() + env.finish() + env.finish() + assert.equal(env.updates.length, 1) + assert.equal(env.operations.filter(item => item.name === 'seek').length, 2) + env.art.emit('destroy') + assert.equal(env.urls.size, 0) +}) + +test('Auto-thumbnail candidate null Blob preserves the previous valid preview and closes the decoder', async () => { + const env = await setup() + env.metadata() + env.seeked() + env.finish() + const previous = env.art.thumbnails + env.seeked() + assert.doesNotThrow(() => env.finish(1, null)) + assert.equal(env.urls.has(previous.url), true) + assert.equal(env.art.thumbnails, previous) + assert.equal(env.warnings.length, 1) + assertClosed(env) + env.art.emit('destroy') + assert.equal(env.urls.size, 0) +}) + +for (const phase of ['draw', 'encode', 'context', 'media', 'setter']) { + test(`Auto-thumbnail candidate ${phase} failure has an owner and releases decoder resources`, async () => { + const env = await setup() + const failure = new Error(`${phase} failed`) + if (phase === 'context') + env.controls.nullContext = true + if (phase === 'draw') + env.controls.drawError = failure + if (phase === 'encode') + env.controls.encodeError = failure + if (phase === 'setter') + env.controls.updateError = failure + if (phase === 'media') { + env.videos[0].error = failure + assert.doesNotThrow(() => env.videos[0].onerror?.()) + } + else { + assert.doesNotThrow(() => env.metadata()) + assert.doesNotThrow(() => env.seeked()) + if (phase === 'setter') + assert.doesNotThrow(() => env.finish()) + } + assert.equal(env.warnings.length, 1) + if (phase !== 'context') + assert.equal(env.warnings[0][1], failure) + assert.equal(env.urls.size, 0) + assertClosed(env) + }) +} + +test('Auto-thumbnail candidate cleanup continues after pause throws', async () => { + const env = await setup() + const failure = new Error('pause failed') + env.videos[0].pause = () => { + throw failure + } + env.art.emit('destroy') + assert.equal(env.videos[0].src, undefined) + assert.equal(env.videos[0].onloadedmetadata, null) + assert(env.operations.some(item => item.name === 'load')) + assert([...env.listeners.values()].every(set => set.size === 0)) + assert.equal(env.warnings[0][1], failure) +}) + +test('Auto-thumbnail candidate returns registration failures and rolls back listeners', async () => { + const env = autoThumbnailEnvironment(implementation) + const on = env.art.on + const failure = new Error('listen failed') + env.art.on = function (name, callback) { + on.call(this, name, callback) + if (name === 'video:loadedmetadata') + throw failure + return this + } + await assert.rejects(env.factory({})(env.art), error => error === failure) + assert([...env.listeners.values()].every(set => set.size === 0)) +}) + +test('Auto-thumbnail candidate rejects nonfinite input and live durations without creating a canvas', async () => { + for (const option of [{ width: Infinity }, { number: Infinity }, { width: -1 }, { number: -2 }]) { + const env = await setup(option) + assert.equal(env.videos.length, 0) + assert.equal(env.warnings.length, 1) + env.art.emit('destroy') + } + const env = await setup() + env.videos[0].duration = Infinity + env.metadata() + assert.equal(env.canvases.length, 0) + assertClosed(env) +}) + +test('Auto-thumbnail candidate does not revoke a foreign public URL on destroy', async () => { + const env = await setup({ number: 1 }) + env.metadata() + env.seeked() + env.finish() + env.art.thumbnails = { url: 'blob:foreign' } + env.art.emit('destroy') + assert.equal(env.operations.some(item => item.name === 'revokeURL' && item.url === 'blob:foreign'), false) + assert.equal(env.urls.size, 0) +}) + +test('Auto-thumbnail candidate recovers a URL created across reentrant destroy', async () => { + const env = await setup() + env.metadata() + env.seeked() + const create = env.box.URL.createObjectURL + env.box.URL.createObjectURL = (blob) => { + env.art.emit('destroy') + return create(blob) + } + env.finish() + assert.equal(env.updates.length, 0) + assert.equal(env.urls.size, 0) + assertClosed(env) +}) + +test('Auto-thumbnail candidate replacement during URL creation cannot resume the old decoder', async () => { + const env = await setup() + env.metadata() + env.seeked() + const create = env.box.URL.createObjectURL + env.box.URL.createObjectURL = (blob) => { + const url = create(blob) + env.art.emit('video:loadedmetadata') + return url + } + env.finish() + assert.equal(env.videos.length, 2) + assert.equal(env.updates.length, 0) + assert.equal(env.urls.size, 0) + assertClosed(env, env.videos[0]) + env.art.emit('destroy') +}) + +test('Auto-thumbnail candidate replacement from the host setter preserves the new job and its preview', async () => { + const env = await setup({ number: 1 }) + env.metadata() + env.seeked() + env.controls.onUpdate = () => { + env.controls.onUpdate = null + env.art.emit('video:loadedmetadata') + } + env.finish() + assert.equal(env.videos.length, 2) + assert.equal(env.urls.size, 1) + assertClosed(env, env.videos[0]) + env.metadata() + env.seeked() + env.finish(1) + assert.equal(env.updates.length, 2) + assert.equal(env.urls.size, 1) + assert.equal(env.urls.has(env.updates[0].url), false) + env.art.emit('destroy') + assert.equal(env.urls.size, 0) +}) + +test('Auto-thumbnail candidate retains coercible numeric strings and fractional frame-count behavior', async () => { + for (const option of [{ width: '80', number: '2', scale: '0.5' }, { width: 20.5, number: 2.5, scale: 1 }]) { + const env = await setup(option) + env.metadata() + for (let index = 0; index < Math.ceil(Number(option.number)); index++) { + env.seeked() + env.finish(index) + } + assert.equal(env.updates.length, Math.ceil(Number(option.number))) + assert.equal(env.updates[0].width, option.width) + assert.equal(env.updates[0].number, option.number) + assert.equal(env.updates[0].scale, option.scale) + assert.equal(env.canvases[0].width, Math.trunc(Number(option.width) * 10)) + assertClosed(env) + env.art.emit('destroy') + assert.equal(env.urls.size, 0) + } +}) + +test('Auto-thumbnail candidate parameter getters cannot start extraction after destroying the host', async () => { + const env = autoThumbnailEnvironment(implementation) + const option = { get width() { + env.art.emit('destroy') + return 80 + } } + await env.factory(option)(env.art) + env.art.emit('video:loadedmetadata') + assert.equal(env.videos.length, 0) + assert.equal(env.canvases.length, 0) + assert([...env.listeners.values()].every(set => set.size === 0)) +}) + +test('Auto-thumbnail candidate media dimension getters cannot allocate after cancellation', async () => { + const env = await setup() + Object.defineProperty(env.videos[0], 'videoWidth', { get() { + env.art.emit('destroy') + return 1920 + } }) + env.metadata() + assert.equal(env.canvases.length, 0) + assertClosed(env) +}) + +test('Auto-thumbnail candidate explicit URL does not read the fallback options getter', async () => { + const env = autoThumbnailEnvironment(implementation) + Object.defineProperty(env.art, 'option', { get() { + throw new Error('Explicit URL must not read fallback options') + } }) + await env.factory({ url: 'explicit.mp4', number: 1 })(env.art) + env.art.emit('video:loadedmetadata') + assert.equal(env.videos.length, 1) + assert.equal(env.videos[0].src, 'explicit.mp4') + assert.equal(env.warnings.length, 0) + env.art.emit('destroy') +}) + +test('Auto-thumbnail candidate keeps the metadata duration snapshot for frame times', async () => { + const env = await setup({ width: 80, number: 2 }) + env.metadata() + env.videos[0].duration = 240 + env.seeked() + env.finish() + assert.deepEqual(env.operations.filter(item => item.name === 'seek').map(item => item.value), [0, 60]) + env.art.emit('destroy') +}) diff --git a/test/browser/auto-thumbnail-lifecycle.spec.js b/test/browser/auto-thumbnail-lifecycle.spec.js new file mode 100644 index 000000000..8750ce4cc --- /dev/null +++ b/test/browser/auto-thumbnail-lifecycle.spec.js @@ -0,0 +1,94 @@ +import { hash } from '../../refactor/scripts/releases.mjs' +import { autoThumbnailCandidate } from '../helpers/auto-thumbnail.js' +import { expect, test } from './fixtures.js' + +const implementation = await autoThumbnailCandidate() +for (const scenario of ['destroy', 'restart', 'complete']) { + test(`Auto-thumbnail candidate native ${scenario} owns decoder and encoded URLs`, async ({ page }, testInfo) => { + await page.goto('/test/player.html?core=published') + await page.setContent('
') + await page.addScriptTag({ content: implementation.code }) + await page.evaluate(async (hold) => { + const probe = window.probe = { videos: [], updates: [], urls: new Set(), blobs: [], listeners: new Map(), hold } + const createElement = document.createElement.bind(document) + const createUrl = URL.createObjectURL.bind(URL) + const revokeUrl = URL.revokeObjectURL.bind(URL) + const toBlob = HTMLCanvasElement.prototype.toBlob + document.createElement = function (name, ...args) { + const element = createElement(name, ...args) + if (name === 'video') + probe.videos.push(element) + return element + } + HTMLCanvasElement.prototype.toBlob = function (callback, type) { + return toBlob.call(this, (blob) => { + const record = { blob, callback } + probe.blobs.push(record) + if (!probe.hold) + callback(blob) + }, type) + } + URL.createObjectURL = (blob) => { + const url = createUrl(blob) + probe.urls.add(url) + return url + } + URL.revokeObjectURL = (url) => { + probe.urls.delete(url) + revokeUrl(url) + } + probe.restore = () => { + document.createElement = createElement + HTMLCanvasElement.prototype.toBlob = toBlob + URL.createObjectURL = createUrl + URL.revokeObjectURL = revokeUrl + } + probe.art = { + option: { url: '/test/pattern.mp4' }, + on(name, callback) { + if (!probe.listeners.has(name)) + probe.listeners.set(name, new Set()) + probe.listeners.get(name).add(callback) + return this + }, + off(name, callback) { + probe.listeners.get(name)?.delete(callback) + return this + }, + emit(name) { + for (const callback of [...(probe.listeners.get(name) || [])]) callback() + }, + get thumbnails() { return probe.updates.at(-1) }, + set thumbnails(value) { probe.updates.push(value) }, + } + probe.result = await window.artplayerPluginAutoThumbnail({ width: 80, number: 2 })(probe.art) + probe.art.emit('video:loadedmetadata') + }, scenario !== 'complete') + await expect.poll(() => page.evaluate(() => window.probe.blobs.length)).toBe(scenario === 'complete' ? 2 : 1) + const state = await page.evaluate((scenario) => { + const probe = window.probe + const before = { urls: probe.urls.size, updates: probe.updates.length } + if (scenario !== 'complete') { + probe.art.emit(scenario) + probe.blobs[0].callback(probe.blobs[0].blob) + probe.blobs[0].callback(probe.blobs[0].blob) + } + const after = { urls: probe.urls.size, updates: probe.updates.length } + const decoder = probe.videos[0] + const video = { src: decoder.getAttribute('src'), readyState: decoder.readyState, paused: decoder.paused, handlers: ['onloadedmetadata', 'onseeked', 'onerror'].map(key => decoder[key] === null) } + probe.art.emit('destroy') + probe.art.emit('destroy') + const final = { urls: probe.urls.size, listeners: [...probe.listeners.values()].reduce((sum, set) => sum + set.size, 0), updates: probe.updates.length } + const blobs = probe.blobs.map(({ blob }) => ({ type: blob.type, bytes: blob.size })) + probe.restore() + return { before, after, video, final, blobs, result: probe.result } + }, scenario) + await testInfo.attach('auto-thumbnail-candidate-native-lifecycle', { contentType: 'application/json', body: JSON.stringify({ scenario, sha256: hash(implementation.code), scope: 'Actual HTTP decoding/seek/JPEG lifecycle with a stub player host. This checkpoint does not establish accurate extracted pixels; AUTO-THUMB-PIXEL-01 remains open.', ...state }) }) + expect(state.result).toEqual({ name: 'artplayerPluginAutoThumbnail' }) + expect(state.before).toEqual(scenario === 'complete' ? { urls: 1, updates: 2 } : { urls: 0, updates: 0 }) + expect(state.after).toEqual(state.before) + expect(state.video).toEqual({ src: null, readyState: 0, paused: true, handlers: [true, true, true] }) + expect(state.final).toEqual({ urls: 0, listeners: 0, updates: scenario === 'complete' ? 2 : 0 }) + expect(state.blobs.every(blob => blob.type === 'image/jpeg' && blob.bytes > 0)).toBe(true) + }) +} diff --git a/test/helpers/auto-thumbnail.js b/test/helpers/auto-thumbnail.js index 68b0b833e..ebd3cf7b5 100644 --- a/test/helpers/auto-thumbnail.js +++ b/test/helpers/auto-thumbnail.js @@ -40,8 +40,9 @@ export function autoThumbnailEnvironment(implementation, { script = false } = {} const urls = new Map() const listeners = new Map() const updates = [] + const warnings = [] let nextUrl = 0 - const controls = { nullContext: false, drawError: null, encodeError: null, updateError: null } + const controls = { nullContext: false, drawError: null, encodeError: null, updateError: null, onUpdate: null } const document = { createElement(tag) { if (tag === 'video') { @@ -111,7 +112,7 @@ export function autoThumbnailEnvironment(implementation, { script = false } = {} urls.delete(url) operations.push({ name: 'revokeURL', url }) }, - }, window: {} } + }, window: {}, console: { warn: (...args) => warnings.push(args) } } if (!script) Object.assign(box, { module, exports: module.exports }) vm.runInNewContext(implementation.code, box) @@ -140,6 +141,7 @@ export function autoThumbnailEnvironment(implementation, { script = false } = {} if (controls.updateError) throw controls.updateError updates.push(value) + controls.onUpdate?.(value) }, }) return { @@ -154,6 +156,7 @@ export function autoThumbnailEnvironment(implementation, { script = false } = {} urls, listeners, updates, + warnings, controls, metadata(video = videos.at(-1)) { video.onloadedmetadata?.() }, seeked(video = videos.at(-1)) { video.onseeked?.() },