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import React, { useEffect } from "react";
import Head from "next/head";
import ChatReplayPanel from "../modules/ChatReplay/ChatReplayPanel";
import { useWindowSize } from "../modules/hooks/useWindowSize";
import PageBase from "../modules/PageBase";
import VideoPlayer2 from "../modules/VideoPlayer/VideoPlayer2";
import { buttonStyle } from "../modules/VideoActionButtons";
import { IconCheck } from "../modules/icons";
import { useRouter } from "next/router";
import Linkify from "linkify-react";
const CustomPlayerPage = () => {
const router = useRouter();
const [isChatVisible, setIsChatVisible] = React.useState(false);
const { innerWidth, innerHeight } = useWindowSize();
const [playbackProgress, setPlaybackProgress] = React.useState(0);
const [urlVideo, setUrlVideo] = React.useState("");
const [urlChat, setUrlChat] = React.useState("");
const [urlYtt, setUrlYtt] = React.useState("");
const [captionFormat, setCaptionFormat] = React.useState<"srv3" | "srt" | undefined>(undefined);
const [infoJson, setInfoJson] = React.useState({} as any);
const [showPlayer, setShowPlayer] = React.useState(false);
const [dataSet, setDataSet] = React.useState(false);
const [base64Input, setBase64Input] = React.useState("");
const { query } = router;
const jsonDataUrl = query.data as string;
const timeSeconds = query.time as string;
useEffect(() => {
if (timeSeconds) {
setPlaybackProgress(parseFloat(timeSeconds));
}
}, [timeSeconds]);
const applyJsonData = (data: any) => {
const { info, video, chat, srv3, srt, captions } = data;
if (info) {
fetch(info)
.then((res) => res.json())
.then((data) => {
setInfoJson(data);
});
}
if (video) {
setUrlVideo(video);
}
if (chat) {
setUrlChat(chat);
}
if (srv3) {
setUrlYtt(srv3);
setCaptionFormat("srv3");
} else if (srt) {
setUrlYtt(srt);
setCaptionFormat("srt");
} else if (captions) {
const cap = Array.isArray(captions) ? captions[0] : captions;
if (cap?.src) {
setUrlYtt(cap.src);
setCaptionFormat(cap.format || (cap.src.toLowerCase().endsWith(".srt") ? "srt" : "srv3"));
}
}
setDataSet(true);
setShowPlayer(true);
};
if (jsonDataUrl && !dataSet) {
fetch(jsonDataUrl)
.then((res) => res.json())
.then((data) => applyJsonData(data))
.catch((error) => {
console.error("Error fetching JSON data:", error);
setDataSet(true);
setShowPlayer(true);
});
}
const handleLoadBase64 = () => {
try {
let trimmed = base64Input.trim();
const base64Match = trimmed.match(/^data:[^;]+;base64,(.*)$/);
if (base64Match) {
trimmed = base64Match[1];
}
const jsonStr = atob(trimmed);
const data = JSON.parse(jsonStr);
applyJsonData(data);
} catch (error) {
console.error("Error decoding base64 JSON:", error);
setDataSet(true);
setShowPlayer(true);
}
};
const handleFile = (
e: React.ChangeEvent<HTMLInputElement>,
setter: (newValue: string) => any,
opts?: { onFormat?: (format: "srv3" | "srt") => void }
) => {
const file = e.target.files?.[0];
if (!file) {
console.error("No file selected");
return false;
}
const url = URL.createObjectURL(file).toString();
console.log(url);
if (opts?.onFormat) {
const name = file.name.toLowerCase();
opts.onFormat(name.endsWith(".srt") ? "srt" : "srv3");
}
setter(url);
};
return (
<PageBase>
<Head>
{
infoJson && infoJson.title ? (
<title>{infoJson.title}</title>
) :
<title>a very nice video</title>
}
</Head>
{showPlayer ? (
<div className="mt-2">
<div
className={["flex lg:flex-row flex-col lg:h-auto"].join(" ")}
style={{
height: isChatVisible && innerWidth < 640 ? innerHeight : "auto",
}}
>
<div className="w-full lg:w-3/4">
<div
className="relative bg-gray-400 w-full h-0"
style={{ paddingBottom: "56.25%" }}
>
<div className="absolute inset-0 w-full h-full">
<VideoPlayer2
key={urlVideo}
videoId="custom"
srcVideo={urlVideo}
srcAudio={urlVideo}
captions={
urlYtt
? [
{
lang: "en",
src: urlYtt,
format: captionFormat,
},
]
: undefined
}
onPlaybackProgress={setPlaybackProgress}
/>
</div>
</div>
</div>
<div
className={[
"w-full lg:w-1/4 lg:pl-4",
isChatVisible ? "flex-1" : "",
].join(" ")}
>
{!urlChat ? (
<div className="border border-gray-800 rounded p-4 text-center">
<p>Chat replay unavailable</p>
</div>
) : (
<ChatReplayPanel
src={urlChat}
currentTimeSeconds={playbackProgress}
onChatToggle={setIsChatVisible}
/>
)}
</div>
</div>
{infoJson && infoJson.description ? (
<div className="mt-4 mx-6">
<h1 className="text-2xl mb-2">{infoJson.title}</h1>
<p className="text-gray-400">
{infoJson.view_count.toLocaleString()} views ·{" "}
{infoJson.upload_date.slice(0, 4) +
"-" +
infoJson.upload_date.slice(4, 6) +
"-" +
infoJson.upload_date.slice(6, 8)}
</p>
<div className="mt-4 pb-4 border-b border-gray-900">
<p className="font-bold text-lg leading-tight mb-4">
{infoJson.uploader}
</p>
<h3 className="font-bold mb-2">Description</h3>
<div className="whitespace-pre-line break-words text-gray-300">
<Linkify>{infoJson.description}</Linkify>
</div>
</div>
</div>
) : null}
{urlVideo ? (
<button
type="button"
className={[buttonStyle, "mt-4"].join(" ")}
onClick={() => setShowPlayer(false)}
>
Go back
</button>
) : null}
</div>
) : (
<div>
<div className="px-4 pb-8">
<h1 className="text-3xl mt-16 text-center">Moekyun Video Player</h1>
<p className="text-lg text-center">
You can play locally-saved video files and chat replay JSON
</p>
<p className="text-center">
Chat replay compatible with output from{" "}
<a
className="underline"
href="https://github.com/yt-dlp/yt-dlp"
target="_blank"
rel="noreferrer noopener nofollow"
>
yt-dlp
</a>
{" and "}
<a
className="underline"
href="https://pypi.org/project/chat-downloader/"
target="_blank"
rel="noreferrer noopener nofollow"
>
chat-downloader
</a>
.
</p>
<br/>
<p className="text-center">
This is a specialized version of the player that allows you to pass in a JSON data file.
</p>
</div>
<div className="mx-auto max-w-md">
<form>
<label
className={[buttonStyle, "relative cursor-pointer"].join(" ")}
>
<span>Select video</span>
<span className="ml-auto">
{urlVideo ? <IconCheck width="1em" height="1em" /> : null}
</span>
<input
type="file"
className="hidden"
onChange={(e) => handleFile(e, setUrlVideo)}
/>
</label>
<label
className={[buttonStyle, "relative cursor-pointer"].join(" ")}
>
<span>Select chat json</span>
<span className="ml-auto">
{urlChat ? <IconCheck width="1em" height="1em" /> : null}
</span>
<input
type="file"
className="hidden"
onChange={(e) => handleFile(e, setUrlChat)}
/>
</label>
<label
className={[buttonStyle, "relative cursor-pointer"].join(" ")}
>
<span>Select captions (srv3 or srt)</span>
<span className="ml-auto">
{urlYtt ? <IconCheck width="1em" height="1em" /> : null}
</span>
<input
type="file"
accept=".srv3,.xml,.srt"
className="hidden"
onChange={(e) =>
handleFile(e, setUrlYtt, {
onFormat: (fmt) => setCaptionFormat(fmt),
})
}
/>
</label>
<button
type="button"
className={[buttonStyle, "mt-8 ml-auto"].join(" ")}
onClick={() => {
setShowPlayer(true);
setDataSet(false);
}}
>
Launch player
</button>
</form>
<div className="mt-6">
<label className="block text-sm text-gray-300 mb-2">
Or paste base64-encoded JSON data
</label>
<textarea
className="w-full h-32 p-2 rounded bg-gray-800 text-gray-100 border border-gray-700 text-sm font-mono"
placeholder="Paste base64 JSON here..."
value={base64Input}
onChange={(e) => setBase64Input(e.target.value)}
/>
<button
type="button"
className={[buttonStyle, "mt-2 ml-auto"].join(" ")}
onClick={handleLoadBase64}
>
Load from base64
</button>
</div>
<div className="mt-6 mx-auto max-w-2xl text-sm text-gray-400 text-left border border-gray-800 rounded p-4">
<p className="font-bold text-gray-200 mb-2">JSON data format</p>
<p className="mb-2">
Pass a URL via the <code>?data=</code> query parameter pointing to a JSON file.
All fields are optional. Recognized top-level keys:
</p>
<ul className="list-disc list-inside space-y-1">
<li><code>info</code> - URL to a YouTube <code>info.json</code> (yt-dlp metadata)</li>
<li><code>video</code> - URL to the video file/stream</li>
<li><code>chat</code> - URL to a chat replay JSON</li>
<li><code>srv3</code> - URL to a YouTube srv3 caption XML file</li>
<li><code>srt</code> - URL to a SubRip (<code>.srt</code>) subtitle file</li>
<li><code>captions</code> - a single object <code>{`{ src, format }`}</code> or an array of them, where <code>format</code> is <code>"srv3"</code> or <code>"srt"</code></li>
</ul>
<p className="mt-2">
Example: <code>{`?data=https://example.com/session.json`}</code>
</p>
<p className="mt-4 mb-1">
Alternatively, paste the JSON content as base64 directly into the textarea above
(a leading <code>data:...;base64,</code> prefix is optional).
</p>
</div>
</div>
</div>
)}
</PageBase>
);
};
export default CustomPlayerPage;
|
