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refactor(multiple-subtitles): [PKG-MULTI-SUB-03] own requests and subtitle resources
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Harvey Zhao committed
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25 files changed
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@@ -55,4 +55,4 @@
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*
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* d. Affirmer understands and acknowledges that Creative Commons is not a party to this document and has no duty or obligation with respect to this CC0 or use of the Work.
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*/
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@@ -55,4 +55,4 @@
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*
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* d. Affirmer understands and acknowledges that Creative Commons is not a party to this document and has no duty or obligation with respect to this CC0 or use of the Work.
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*/
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||||
!function(e,t){"object"===typeof exports&&"undefined"!==typeof module?module.exports=t():"function"==typeof define&&define.amd?(e.artplayerPluginMultipleSubtitles=t(),define(function(){return e.artplayerPluginMultipleSubtitles})):(e="undefined"!==typeof globalThis?globalThis:e||self).artplayerPluginMultipleSubtitles=t()}(this,function(){"use strict";var e=Object.defineProperty,t=Object.defineProperties,n=Object.getOwnPropertyDescriptors,i=Object.getOwnPropertySymbols,r=Object.prototype.hasOwnProperty,s=Object.prototype.propertyIsEnumerable,a=(t,n,i)=>n in t?e(t,n,{enumerable:!0,configurable:!0,writable:!0,value:i}):t[n]=i,o=(e,t)=>{for(var n in t||(t={}))r.call(t,n)&&a(e,n,t[n]);if(i)for(var n of i(t))s.call(t,n)&&a(e,n,t[n]);return e},l=(e,i)=>t(e,n(i)),c=(e,t,n)=>new Promise((i,r)=>{var s=e=>{try{o(n.next(e))}catch(t){r(t)}},a=e=>{try{o(n.throw(e))}catch(t){r(t)}},o=e=>e.done?i(e.value):Promise.resolve(e.value).then(s,a);o((n=n.apply(e,t)).next())});var f={direction:"horizontal",snapToLines:!0,linePosition:"auto",lineAlign:"start",textPosition:"auto",positionAlign:"auto",size:100,alignment:"center"},u=function(e){e||(e={"&":"&","<":"<",">":">","&lrm":"\u200e","&rlm":"\u200f"," ":"\xa0"}),this.entities=e,this.parse=function(t,n){t=t.replace(/\0/g,"\ufffd");var i=Date.now(),r=0,s=t.split(/\r\n|\r|\n/),a=!1,o=[],l=[],c=[];function u(e,t){c.push({message:e,line:r+1,col:t})}var m=s[r],g=m.length,h="WEBVTT",v=0,b=6;for("\ufeff"===m[0]&&(v=1,b+=1),(g<b||m.indexOf(h)!==0+v||g>b&&" "!==m[b]&&"\t"!==m[b])&&u('No valid signature. (File needs to start with "WEBVTT".)'),r++;""!=s[r]&&void 0!=s[r];){if(u("No blank line after the signature."),-1!=s[r].indexOf("--\x3e")){a=!0;break}r++}for(;void 0!=s[r];){for(var y;!a&&""==s[r];)r++;if(!a&&void 0==s[r])break;y=Object.assign({},f,{id:"",startTime:0,endTime:0,pauseOnExit:!1,direction:"horizontal",snapToLines:!0,linePosition:"auto",lineAlign:"start",textPosition:"auto",positionAlign:"auto",size:100,alignment:"center",text:"",tree:null});var x=!0;if(-1==s[r].indexOf("--\x3e")){if(y.id=s[r],/^NOTE($|[ \t])/.test(y.id)){for(r++;""!=s[r]&&void 0!=s[r];)-1!=s[r].indexOf("--\x3e")&&u("Cannot have timestamp in a comment."),r++;continue}if(/^STYLE($|[ \t])/.test(y.id)){var T=[],w=!1;for(r++;""!=s[r]&&void 0!=s[r];)-1!=s[r].indexOf("--\x3e")&&(u("Cannot have timestamp in a style block."),w=!0),T.push(s[r]),r++;if(l.length){u("Style blocks cannot appear after the first cue.");continue}w||o.push(T.join("\n"));continue}if(""==s[++r]||void 0==s[r]){u("Cue identifier cannot be standalone.");continue}if(-1==s[r].indexOf("--\x3e")){x=!1,u("Cue identifier needs to be followed by timestamp.");continue}}a=!1;var O=new d(s[r],u),P=0;if(l.length>0&&(P=l[l.length-1].startTime),!x||O.parse(y,P)){for(r++;""!=s[r]&&void 0!=s[r];){if(-1!=s[r].indexOf("--\x3e")){u("Blank line missing before cue."),a=!0;break}""!=y.text&&(y.text+="\n"),y.text+=s[r],r++}var A=new p(y.text,u,n,e);y.tree=A.parse(y.startTime,y.endTime),l.push(y)}else for(y=null,r++;""!=s[r]&&void 0!=s[r];){if(-1!=s[r].indexOf("--\x3e")){a=!0;break}r++}}return l.sort(function(e,t){return e.startTime<t.startTime?-1:e.startTime>t.startTime?1:e.endTime>t.endTime?-1:e.endTime<t.endTime?1:0}),{cues:l,errors:c,time:Date.now()-i,styles:o}}},d=function(e,t){var n=/[\u0020\t\f]/,i=/[^\u0020\t\f]/,r=(e=e,0),s=function(e){t(e,r+1)};function a(t){for(;void 0!=e[r]&&t.test(e[r]);)r++}function o(t){for(var n="";void 0!=e[r]&&t.test(e[r]);)n+=e[r],r++;return n}function l(){var t,n,i,a,l="minutes";if(void 0!=e[r])if(/\d/.test(e[r]))if(((t=o(/\d/)).length>2||parseInt(t,10)>59)&&(l="hours"),":"==e[r])if(r++,2==(n=o(/\d/)).length){if("hours"==l||":"==e[r]){if(":"!=e[r])return void s("No seconds found or minutes is greater than 59.");if(r++,2!=(i=o(/\d/)).length)return void s("Must be exactly two digits.")}else{if(2!=t.length)return void s("Must be exactly two digits.");i=n,n=t,t="0"}if("."==e[r])if(r++,3==(a=o(/\d/)).length)if(parseInt(n,10)>59)s("You cannot have more than 59 minutes.");else{if(!(parseInt(i,10)>59))return 60*parseInt(t,10)*60+60*parseInt(n,10)+parseInt(i,10)+parseInt(a,10)/1e3;s("You cannot have more than 59 seconds.")}else s("Milliseconds must be given in three digits.");else s('No decimal separator (".") found.')}else s("Must be exactly two digits.");else s("No time unit separator found.");else s("Timestamp must start with a character in the range 0-9.");else s("No timestamp found.")}this.parse=function(t,o){if(a(n),t.startTime=l(),void 0!=t.startTime)if(t.startTime<o&&s("Start timestamp is not greater than or equal to start timestamp of previous cue."),i.test(e[r])&&s("Timestamp not separated from '--\x3e' by whitespace."),a(n),"-"==e[r])if(r++,"-"==e[r])if(r++,">"==e[r]){if(r++,i.test(e[r])&&s("'--\x3e' not separated from timestamp by whitespace."),a(n),t.endTime=l(),void 0!=t.endTime)return t.endTime<=t.startTime&&s("End timestamp is not greater than start timestamp."),i.test(e[r]),a(n),function(e,t){for(var i=e.split(n),r=[Line truncated
|
||||
@@ -55,6 +55,56 @@
|
||||
*
|
||||
* d. Affirmer understands and acknowledges that Creative Commons is not a party to this document and has no duty or obligation with respect to this CC0 or use of the Work.
|
||||
*/
|
||||
function createLifetime(art) {
|
||||
let closed = Boolean(art.isDestroy);
|
||||
const cleanups = /* @__PURE__ */ new Set();
|
||||
let cancel;
|
||||
const cancelled = new Promise((resolve) => {
|
||||
cancel = resolve;
|
||||
});
|
||||
function run(cleanup) {
|
||||
try {
|
||||
cleanup();
|
||||
} catch (error) {
|
||||
console.warn("Failed to clean up multiple subtitles:", error);
|
||||
}
|
||||
}
|
||||
const lifetime = {
|
||||
get closed() {
|
||||
return closed;
|
||||
},
|
||||
own(cleanup) {
|
||||
if (closed)
|
||||
run(cleanup);
|
||||
else
|
||||
cleanups.add(cleanup);
|
||||
return () => cleanups.delete(cleanup);
|
||||
},
|
||||
wait(value) {
|
||||
return Promise.race([value, cancelled]);
|
||||
},
|
||||
dispose() {
|
||||
if (closed)
|
||||
return;
|
||||
closed = true;
|
||||
cancel();
|
||||
const pending = [...cleanups].reverse();
|
||||
cleanups.clear();
|
||||
for (const cleanup of pending)
|
||||
run(cleanup);
|
||||
}
|
||||
};
|
||||
if (!closed) {
|
||||
lifetime.own(() => art.off("destroy", lifetime.dispose));
|
||||
try {
|
||||
art.on("destroy", lifetime.dispose);
|
||||
} catch (error) {
|
||||
lifetime.dispose();
|
||||
throw error;
|
||||
}
|
||||
}
|
||||
return lifetime;
|
||||
}
|
||||
var defaultCueSettings = {
|
||||
direction: "horizontal",
|
||||
snapToLines: true,
|
||||
@@ -799,85 +849,166 @@ var WebVTTSerializer = function() {
|
||||
return result;
|
||||
};
|
||||
};
|
||||
async function loadVtt(option, { getExt, srtToVtt, assToVtt }) {
|
||||
const response = await fetch(option.url);
|
||||
const buffer = await response.arrayBuffer();
|
||||
const decoder = new TextDecoder(option.encoding || "utf-8");
|
||||
const text = decoder.decode(buffer);
|
||||
switch (option.type || getExt(option.url)) {
|
||||
case "srt": {
|
||||
return srtToVtt(text);
|
||||
}
|
||||
case "ass": {
|
||||
return assToVtt(text);
|
||||
}
|
||||
case "vtt": {
|
||||
return text;
|
||||
}
|
||||
default:
|
||||
return "";
|
||||
}
|
||||
}
|
||||
function mergeTrees(trees) {
|
||||
function parseTracks(vtts, subtitles) {
|
||||
const parser = new WebVTTParser();
|
||||
const result = parser.parse("", "metadata");
|
||||
for (let i = 0; i < trees.length; i++) {
|
||||
const tree = trees[i];
|
||||
if (!tree.updated) {
|
||||
tree.updated = true;
|
||||
for (let j = 0; j < tree.cues.length; j++) {
|
||||
const cue = tree.cues[j];
|
||||
for (let k = 0; k < cue.tree.children.length; k++) {
|
||||
const children = cue.tree.children[k];
|
||||
children.value = `<div class="art-subtitle-${tree.name}">${children.value}</div>`;
|
||||
return vtts.map((vtt, index) => {
|
||||
const tree = parser.parse(vtt, "metadata");
|
||||
tree.url = subtitles[index].url;
|
||||
tree.name = subtitles[index].name;
|
||||
return tree;
|
||||
});
|
||||
}
|
||||
function serializeTracks(trees) {
|
||||
const cues = [];
|
||||
for (const tree of trees) {
|
||||
for (const cue of tree.cues) {
|
||||
cues.push({
|
||||
...cue,
|
||||
tree: {
|
||||
...cue.tree,
|
||||
children: cue.tree.children.map((child) => ({
|
||||
...child,
|
||||
value: `<div class="art-subtitle-${tree.name}">${child.value}</div>`
|
||||
}))
|
||||
}
|
||||
}
|
||||
});
|
||||
}
|
||||
result.cues.push(...tree.cues);
|
||||
}
|
||||
return result;
|
||||
return new WebVTTSerializer().serialize(cues);
|
||||
}
|
||||
function createRenderer(art, lifetime, unescape) {
|
||||
let current = null;
|
||||
function own(url) {
|
||||
let freed = false;
|
||||
let release = () => {
|
||||
};
|
||||
const entry = {
|
||||
free() {
|
||||
if (freed)
|
||||
return;
|
||||
freed = true;
|
||||
release();
|
||||
URL.revokeObjectURL(url);
|
||||
}
|
||||
};
|
||||
release = lifetime.own(entry.free);
|
||||
return entry;
|
||||
}
|
||||
return (vtt) => {
|
||||
if (lifetime.closed)
|
||||
return;
|
||||
const url = URL.createObjectURL(new Blob([vtt], { type: "text/vtt" }));
|
||||
const entry = own(url);
|
||||
if (lifetime.closed)
|
||||
return;
|
||||
const previous = current;
|
||||
let option;
|
||||
let escape;
|
||||
let configured = false;
|
||||
current = entry;
|
||||
try {
|
||||
option = art.option.subtitle;
|
||||
escape = option.escape;
|
||||
if (lifetime.closed || current !== entry)
|
||||
return;
|
||||
option.escape = false;
|
||||
configured = true;
|
||||
const config = { ...option, url, type: "vtt", onVttLoad: unescape };
|
||||
if (lifetime.closed || current !== entry)
|
||||
return;
|
||||
const pending = art.subtitle.init(config);
|
||||
Promise.resolve(pending).catch((error) => {
|
||||
if (current === entry) {
|
||||
current = null;
|
||||
entry.free();
|
||||
}
|
||||
if (!lifetime.closed)
|
||||
console.warn("Failed to initialize multiple subtitles:", error);
|
||||
});
|
||||
} catch (error) {
|
||||
if (current === entry) {
|
||||
current = previous;
|
||||
if (configured && option.escape === false)
|
||||
option.escape = escape;
|
||||
}
|
||||
entry.free();
|
||||
throw error;
|
||||
} finally {
|
||||
if (previous !== current)
|
||||
previous?.free();
|
||||
if (entry !== current)
|
||||
entry.free();
|
||||
}
|
||||
};
|
||||
}
|
||||
async function loadVtt(option, { getExt, srtToVtt, assToVtt }, lifetime) {
|
||||
if (lifetime.closed)
|
||||
return;
|
||||
const controller = typeof AbortController === "function" ? new AbortController() : null;
|
||||
const release = lifetime.own(() => controller?.abort());
|
||||
try {
|
||||
const url = option.url;
|
||||
if (lifetime.closed)
|
||||
return;
|
||||
const response = await lifetime.wait(controller ? fetch(url, { signal: controller.signal }) : fetch(url));
|
||||
if (lifetime.closed)
|
||||
return;
|
||||
if (response.ok === false)
|
||||
throw new Error(`Failed to fetch multiple subtitles: HTTP ${response.status}`);
|
||||
const buffer = await lifetime.wait(response.arrayBuffer());
|
||||
if (lifetime.closed)
|
||||
return;
|
||||
const text = new TextDecoder(option.encoding || "utf-8").decode(buffer);
|
||||
switch (option.type || getExt(option.url)) {
|
||||
case "srt":
|
||||
return srtToVtt(text);
|
||||
case "ass":
|
||||
return assToVtt(text);
|
||||
case "vtt":
|
||||
return text;
|
||||
default:
|
||||
return "";
|
||||
}
|
||||
} catch (error) {
|
||||
controller?.abort();
|
||||
throw error;
|
||||
} finally {
|
||||
release();
|
||||
}
|
||||
}
|
||||
function artplayerPluginMultipleSubtitles({ subtitles = [] }) {
|
||||
return async (art) => {
|
||||
const { unescape, getExt, srtToVtt, assToVtt } = art.constructor.utils;
|
||||
const parser = new WebVTTParser();
|
||||
const seri = new WebVTTSerializer();
|
||||
const vtts = await Promise.all(
|
||||
subtitles.map((option) => {
|
||||
return loadVtt(option, { getExt, srtToVtt, assToVtt });
|
||||
})
|
||||
);
|
||||
const trees = vtts.map((vtt, index) => {
|
||||
const tree = parser.parse(vtt, "metadata");
|
||||
tree.url = subtitles[index].url;
|
||||
tree.name = subtitles[index].name;
|
||||
return tree;
|
||||
});
|
||||
let lastUrl = "";
|
||||
function setTracks(trees2 = []) {
|
||||
const tree = mergeTrees(trees2);
|
||||
const vtt = seri.serialize(tree.cues);
|
||||
URL.revokeObjectURL(lastUrl);
|
||||
const url = URL.createObjectURL(new Blob([vtt], { type: "text/vtt" }));
|
||||
lastUrl = url;
|
||||
art.option.subtitle.escape = false;
|
||||
art.subtitle.init({
|
||||
...art.option.subtitle,
|
||||
url,
|
||||
type: "vtt",
|
||||
onVttLoad: unescape
|
||||
});
|
||||
const lifetime = createLifetime(art);
|
||||
const render = createRenderer(art, lifetime, unescape);
|
||||
let trees = [];
|
||||
function setTracks(selected) {
|
||||
if (!lifetime.closed)
|
||||
render(serializeTracks(selected));
|
||||
}
|
||||
setTracks(trees);
|
||||
return {
|
||||
const result = {
|
||||
name: "multipleSubtitles",
|
||||
tracks(names = []) {
|
||||
return setTracks(names.map((name) => trees.find((tree) => tree.name === name)));
|
||||
if (!lifetime.closed)
|
||||
setTracks(names.map((name) => trees.find((tree) => tree.name === name)));
|
||||
},
|
||||
reset() {
|
||||
return setTracks(trees);
|
||||
setTracks(trees);
|
||||
}
|
||||
};
|
||||
try {
|
||||
if (lifetime.closed)
|
||||
return result;
|
||||
const vtts = await Promise.all(subtitles.map((option) => loadVtt(option, { getExt, srtToVtt, assToVtt }, lifetime)));
|
||||
if (lifetime.closed)
|
||||
return result;
|
||||
trees = parseTracks(vtts, subtitles);
|
||||
setTracks(trees);
|
||||
return result;
|
||||
} catch (error) {
|
||||
lifetime.dispose();
|
||||
throw error;
|
||||
}
|
||||
};
|
||||
}
|
||||
export {
|
||||
|
||||
Reference in new issue
Block a user