Reactify MSE player component (#9163)

* make mse a functional component with react hooks

* iOS 17 fixes

* birdseye mse

* remove debug

* fix test
This commit is contained in:
Josh Hawkins 2024-01-03 17:38:52 -06:00 committed by Blake Blackshear
parent 160e331035
commit d2ab44ce72
4 changed files with 275 additions and 707 deletions

View File

@ -2,6 +2,7 @@ import WebRtcPlayer from "./WebRTCPlayer";
import { BirdseyeConfig } from "@/types/frigateConfig"; import { BirdseyeConfig } from "@/types/frigateConfig";
import ActivityIndicator from "../ui/activity-indicator"; import ActivityIndicator from "../ui/activity-indicator";
import JSMpegPlayer from "./JSMpegPlayer"; import JSMpegPlayer from "./JSMpegPlayer";
import MSEPlayer from "./MsePlayer";
type LivePlayerProps = { type LivePlayerProps = {
birdseyeConfig: BirdseyeConfig; birdseyeConfig: BirdseyeConfig;
@ -19,7 +20,20 @@ export default function BirdseyeLivePlayer({
</div> </div>
); );
} else if (liveMode == "mse") { } else if (liveMode == "mse") {
return <div className="max-w-5xl">Not yet implemented</div>; if ("MediaSource" in window || "ManagedMediaSource" in window) {
return (
<div className="max-w-5xl">
<MSEPlayer camera="birdseye" />
</div>
);
} else {
return (
<div className="w-5xl text-center text-sm">
MSE is only supported on iOS 17.1+. You'll need to update if available
or use jsmpeg / webRTC streams. See the docs for more info.
</div>
);
}
} else if (liveMode == "jsmpeg") { } else if (liveMode == "jsmpeg") {
return ( return (
<div className={`max-w-[${birdseyeConfig.width}px]`}> <div className={`max-w-[${birdseyeConfig.width}px]`}>

View File

@ -9,10 +9,8 @@ import { Card, CardContent, CardHeader, CardTitle } from "../ui/card";
import { Switch } from "../ui/switch"; import { Switch } from "../ui/switch";
import { Label } from "../ui/label"; import { Label } from "../ui/label";
import { usePersistence } from "@/hooks/use-persistence"; import { usePersistence } from "@/hooks/use-persistence";
// @ts-expect-error we know this does not have types import MSEPlayer from "./MsePlayer";
import MSEPlayer from "@/lib/MsePlayer";
import JSMpegPlayer from "./JSMpegPlayer"; import JSMpegPlayer from "./JSMpegPlayer";
import { baseUrl } from "@/api/baseUrl";
const emptyObject = Object.freeze({}); const emptyObject = Object.freeze({});
@ -68,16 +66,7 @@ export default function LivePlayer({
if ("MediaSource" in window || "ManagedMediaSource" in window) { if ("MediaSource" in window || "ManagedMediaSource" in window) {
return ( return (
<div className="max-w-5xl"> <div className="max-w-5xl">
<MSEPlayer <MSEPlayer camera={cameraConfig.live.stream_name} />
mode="mse"
src={
new URL(
`${baseUrl.replace(/^http/, "ws")}live/webrtc/api/ws?src=${
cameraConfig.live.stream_name
}`
)
}
/>
</div> </div>
); );
} else { } else {

View File

@ -0,0 +1,258 @@
import { baseUrl } from "@/api/baseUrl";
import { useCallback, useEffect, useMemo, useRef, useState } from "react";
type MSEPlayerProps = {
camera: string;
};
function MSEPlayer({ camera }: MSEPlayerProps) {
let connectTS: number = 0;
const RECONNECT_TIMEOUT: number = 30000;
const CODECS: string[] = [
"avc1.640029", // H.264 high 4.1 (Chromecast 1st and 2nd Gen)
"avc1.64002A", // H.264 high 4.2 (Chromecast 3rd Gen)
"avc1.640033", // H.264 high 5.1 (Chromecast with Google TV)
"hvc1.1.6.L153.B0", // H.265 main 5.1 (Chromecast Ultra)
"mp4a.40.2", // AAC LC
"mp4a.40.5", // AAC HE
"flac", // FLAC (PCM compatible)
"opus", // OPUS Chrome, Firefox
];
const visibilityThreshold: number = 0;
const visibilityCheck: boolean = true;
const [wsState, setWsState] = useState<number>(WebSocket.CLOSED);
const videoRef = useRef<HTMLVideoElement>(null);
const wsRef = useRef<WebSocket | null>(null);
const reconnectTIDRef = useRef<number | null>(null);
const ondataRef = useRef<((data: any) => void) | null>(null);
const onmessageRef = useRef<{ [key: string]: (msg: any) => void }>({});
const msRef = useRef<MediaSource | null>(null);
const wsURL = useMemo(() => {
return `${baseUrl.replace(/^http/, "ws")}live/webrtc/api/ws?src=${camera}`;
}, [camera]);
const play = () => {
const currentVideo = videoRef.current;
if (currentVideo) {
currentVideo.play().catch((er: any) => {
if (er.name === "NotAllowedError" && !currentVideo.muted) {
currentVideo.muted = true;
currentVideo.play().catch(() => {});
}
});
}
};
const send = useCallback(
(value: any) => {
if (wsRef.current) wsRef.current.send(JSON.stringify(value));
},
[wsRef]
);
const codecs = useCallback((isSupported: (type: string) => boolean) => {
return CODECS.filter((codec) =>
isSupported(`video/mp4; codecs="${codec}"`)
).join();
}, []);
const onConnect = useCallback(() => {
if (!videoRef.current?.isConnected || !wsURL || wsRef.current) return false;
setWsState(WebSocket.CONNECTING);
connectTS = Date.now();
wsRef.current = new WebSocket(wsURL);
wsRef.current.binaryType = "arraybuffer";
wsRef.current.addEventListener("open", () => onOpen());
wsRef.current.addEventListener("close", () => onClose());
}, [wsURL]);
const onDisconnect = useCallback(() => {
setWsState(WebSocket.CLOSED);
if (wsRef.current) {
wsRef.current.close();
wsRef.current = null;
}
}, []);
const onOpen = useCallback(() => {
setWsState(WebSocket.OPEN);
wsRef.current?.addEventListener("message", (ev) => {
if (typeof ev.data === "string") {
const msg = JSON.parse(ev.data);
for (const mode in onmessageRef.current) {
onmessageRef.current[mode](msg);
}
} else {
ondataRef.current?.(ev.data);
}
});
ondataRef.current = null;
onmessageRef.current = {};
onMse();
}, []);
const onClose = useCallback(() => {
if (wsState === WebSocket.CLOSED) return;
setWsState(WebSocket.CONNECTING);
wsRef.current = null;
const delay = Math.max(RECONNECT_TIMEOUT - (Date.now() - connectTS), 0);
reconnectTIDRef.current = window.setTimeout(() => {
reconnectTIDRef.current = null;
onConnect();
}, delay);
}, [wsState, connectTS, onConnect]);
const onMse = () => {
if ("ManagedMediaSource" in window) {
const MediaSource = window.ManagedMediaSource;
msRef.current?.addEventListener(
"sourceopen",
() => {
send({
type: "mse",
// @ts-ignore
value: codecs(MediaSource.isTypeSupported),
});
},
{ once: true }
);
if (videoRef.current) {
videoRef.current.disableRemotePlayback = true;
videoRef.current.srcObject = msRef.current;
}
} else {
msRef.current?.addEventListener(
"sourceopen",
() => {
URL.revokeObjectURL(videoRef.current?.src || "");
send({
type: "mse",
value: codecs(MediaSource.isTypeSupported),
});
},
{ once: true }
);
videoRef.current!.src = URL.createObjectURL(msRef.current!);
videoRef.current!.srcObject = null;
}
play();
onmessageRef.current["mse"] = (msg) => {
if (msg.type !== "mse") return;
const sb = msRef.current?.addSourceBuffer(msg.value);
sb?.addEventListener("updateend", () => {
if (sb.updating) return;
try {
if (bufLen > 0) {
const data = buf.slice(0, bufLen);
bufLen = 0;
sb.appendBuffer(data);
} else if (sb.buffered && sb.buffered.length) {
const end = sb.buffered.end(sb.buffered.length - 1) - 15;
const start = sb.buffered.start(0);
if (end > start) {
sb.remove(start, end);
msRef.current?.setLiveSeekableRange(end, end + 15);
}
}
} catch (e) {
console.debug(e);
}
});
const buf = new Uint8Array(2 * 1024 * 1024);
let bufLen = 0;
ondataRef.current = (data) => {
if (sb?.updating || bufLen > 0) {
const b = new Uint8Array(data);
buf.set(b, bufLen);
bufLen += b.byteLength;
// console.debug("VideoRTC.buffer", b.byteLength, bufLen);
} else {
try {
sb?.appendBuffer(data);
} catch (e) {
console.debug(e);
}
}
};
};
};
useEffect(() => {
// iOS 17.1+ uses ManagedMediaSource
const MediaSourceConstructor =
"ManagedMediaSource" in window ? window.ManagedMediaSource : MediaSource;
// @ts-ignore
msRef.current = new MediaSourceConstructor();
if ("hidden" in document && visibilityCheck) {
document.addEventListener("visibilitychange", () => {
if (document.hidden) {
onDisconnect();
} else if (videoRef.current?.isConnected) {
onConnect();
}
});
}
if ("IntersectionObserver" in window && visibilityThreshold) {
const observer = new IntersectionObserver(
(entries) => {
entries.forEach((entry) => {
if (!entry.isIntersecting) {
onDisconnect();
} else if (videoRef.current?.isConnected) {
onConnect();
}
});
},
{ threshold: visibilityThreshold }
);
observer.observe(videoRef.current!);
}
return () => {
onDisconnect();
};
}, [onDisconnect, onConnect]);
useEffect(() => {
onConnect();
}, [wsURL]);
return (
<video
ref={videoRef}
controls
playsInline
preload="auto"
muted
style={{ display: "block", width: "100%", height: "100%" }}
/>
);
}
export default MSEPlayer;

View File

@ -1,693 +0,0 @@
import { useEffect, useRef } from "react";
class VideoRTC extends HTMLElement {
constructor() {
super();
this.DISCONNECT_TIMEOUT = 5000;
this.RECONNECT_TIMEOUT = 30000;
this.CODECS = [
"avc1.640029", // H.264 high 4.1 (Chromecast 1st and 2nd Gen)
"avc1.64002A", // H.264 high 4.2 (Chromecast 3rd Gen)
"avc1.640033", // H.264 high 5.1 (Chromecast with Google TV)
"hvc1.1.6.L153.B0", // H.265 main 5.1 (Chromecast Ultra)
"mp4a.40.2", // AAC LC
"mp4a.40.5", // AAC HE
"flac", // FLAC (PCM compatible)
"opus", // OPUS Chrome, Firefox
];
/**
* [config] Supported modes (webrtc, mse, mp4, mjpeg).
* @type {string}
*/
this.mode = "webrtc,mse,mp4,mjpeg";
/**
* [config] Run stream when not displayed on the screen. Default `false`.
* @type {boolean}
*/
this.background = false;
/**
* [config] Run stream only when player in the viewport. Stop when user scroll out player.
* Value is percentage of visibility from `0` (not visible) to `1` (full visible).
* Default `0` - disable;
* @type {number}
*/
this.visibilityThreshold = 0;
/**
* [config] Run stream only when browser page on the screen. Stop when user change browser
* tab or minimise browser windows.
* @type {boolean}
*/
this.visibilityCheck = true;
/**
* [config] WebRTC configuration
* @type {RTCConfiguration}
*/
this.pcConfig = {
iceServers: [{ urls: "stun:stun.l.google.com:19302" }],
sdpSemantics: "unified-plan", // important for Chromecast 1
};
/**
* [info] WebSocket connection state. Values: CONNECTING, OPEN, CLOSED
* @type {number}
*/
this.wsState = WebSocket.CLOSED;
/**
* [info] WebRTC connection state.
* @type {number}
*/
this.pcState = WebSocket.CLOSED;
/**
* @type {HTMLVideoElement}
*/
this.video = null;
/**
* @type {WebSocket}
*/
this.ws = null;
/**
* @type {string|URL}
*/
this.wsURL = "";
/**
* @type {RTCPeerConnection}
*/
this.pc = null;
/**
* @type {number}
*/
this.connectTS = 0;
/**
* @type {string}
*/
this.mseCodecs = "";
/**
* [internal] Disconnect TimeoutID.
* @type {number}
*/
this.disconnectTID = 0;
/**
* [internal] Reconnect TimeoutID.
* @type {number}
*/
this.reconnectTID = 0;
/**
* [internal] Handler for receiving Binary from WebSocket.
* @type {Function}
*/
this.ondata = null;
/**
* [internal] Handlers list for receiving JSON from WebSocket
* @type {Object.<string,Function>}}
*/
this.onmessage = null;
}
/**
* Set video source (WebSocket URL). Support relative path.
* @param {string|URL} value
*/
set src(value) {
if (typeof value !== "string") value = value.toString();
if (value.startsWith("http")) {
value = `ws${value.substring(4)}`;
} else if (value.startsWith("/")) {
value = `ws${location.origin.substring(4)}${value}`;
}
this.wsURL = value;
this.onconnect();
}
/**
* Play video. Support automute when autoplay blocked.
* https://developer.chrome.com/blog/autoplay/
*/
play() {
this.video.play().catch((er) => {
if (er.name === "NotAllowedError" && !this.video.muted) {
this.video.muted = true;
this.video.play().catch(() => {});
}
});
}
/**
* Send message to server via WebSocket
* @param {Object} value
*/
send(value) {
if (this.ws) this.ws.send(JSON.stringify(value));
}
/** @param {Function} isSupported */
codecs(isSupported) {
return this.CODECS.filter((codec) =>
isSupported(`video/mp4; codecs="${codec}"`)
).join();
}
/**
* `CustomElement`. Invoked each time the custom element is appended into a
* document-connected element.
*/
connectedCallback() {
if (this.disconnectTID) {
clearTimeout(this.disconnectTID);
this.disconnectTID = 0;
}
// because video autopause on disconnected from DOM
if (this.video) {
const seek = this.video.seekable;
if (seek.length > 0) {
this.video.currentTime = seek.end(seek.length - 1);
}
this.play();
} else {
this.oninit();
}
this.onconnect();
}
/**
* `CustomElement`. Invoked each time the custom element is disconnected from the
* document's DOM.
*/
disconnectedCallback() {
if (this.background || this.disconnectTID) return;
if (this.wsState === WebSocket.CLOSED && this.pcState === WebSocket.CLOSED)
return;
this.disconnectTID = setTimeout(() => {
if (this.reconnectTID) {
clearTimeout(this.reconnectTID);
this.reconnectTID = 0;
}
this.disconnectTID = 0;
this.ondisconnect();
}, this.DISCONNECT_TIMEOUT);
}
/**
* Creates child DOM elements. Called automatically once on `connectedCallback`.
*/
oninit() {
this.video = document.createElement("video");
this.video.controls = true;
this.video.playsInline = true;
this.video.preload = "auto";
this.video.muted = true;
this.video.style.display = "block"; // fix bottom margin 4px
this.video.style.width = "100%";
this.video.style.height = "100%";
this.appendChild(this.video);
if (this.background) return;
if ("hidden" in document && this.visibilityCheck) {
document.addEventListener("visibilitychange", () => {
if (document.hidden) {
this.disconnectedCallback();
} else if (this.isConnected) {
this.connectedCallback();
}
});
}
if ("IntersectionObserver" in window && this.visibilityThreshold) {
const observer = new IntersectionObserver(
(entries) => {
entries.forEach((entry) => {
if (!entry.isIntersecting) {
this.disconnectedCallback();
} else if (this.isConnected) {
this.connectedCallback();
}
});
},
{ threshold: this.visibilityThreshold }
);
observer.observe(this);
}
}
/**
* Connect to WebSocket. Called automatically on `connectedCallback`.
* @return {boolean} true if the connection has started.
*/
onconnect() {
if (!this.isConnected || !this.wsURL || this.ws || this.pc) return false;
// CLOSED or CONNECTING => CONNECTING
this.wsState = WebSocket.CONNECTING;
this.connectTS = Date.now();
this.ws = new WebSocket(this.wsURL);
this.ws.binaryType = "arraybuffer";
this.ws.addEventListener("open", (ev) => this.onopen(ev));
this.ws.addEventListener("close", (ev) => this.onclose(ev));
return true;
}
ondisconnect() {
this.wsState = WebSocket.CLOSED;
if (this.ws) {
this.ws.close();
this.ws = null;
}
this.pcState = WebSocket.CLOSED;
if (this.pc) {
this.pc.close();
this.pc = null;
}
}
/**
* @returns {Array.<string>} of modes (mse, webrtc, etc.)
*/
onopen() {
// CONNECTING => OPEN
this.wsState = WebSocket.OPEN;
this.ws.addEventListener("message", (ev) => {
if (typeof ev.data === "string") {
const msg = JSON.parse(ev.data);
for (const mode in this.onmessage) {
this.onmessage[mode](msg);
}
} else {
this.ondata(ev.data);
}
});
this.ondata = null;
this.onmessage = {};
const modes = [];
if (
this.mode.indexOf("mse") >= 0 &&
("MediaSource" in window || "ManagedMediaSource" in window)
) {
// iPhone
modes.push("mse");
this.onmse();
} else if (this.mode.indexOf("mp4") >= 0) {
modes.push("mp4");
this.onmp4();
}
if (this.mode.indexOf("webrtc") >= 0 && "RTCPeerConnection" in window) {
// macOS Desktop app
modes.push("webrtc");
this.onwebrtc();
}
if (this.mode.indexOf("mjpeg") >= 0) {
if (modes.length) {
this.onmessage["mjpeg"] = (msg) => {
if (msg.type !== "error" || msg.value.indexOf(modes[0]) !== 0) return;
this.onmjpeg();
};
} else {
modes.push("mjpeg");
this.onmjpeg();
}
}
return modes;
}
/**
* @return {boolean} true if reconnection has started.
*/
onclose() {
if (this.wsState === WebSocket.CLOSED) return false;
// CONNECTING, OPEN => CONNECTING
this.wsState = WebSocket.CONNECTING;
this.ws = null;
// reconnect no more than once every X seconds
const delay = Math.max(
this.RECONNECT_TIMEOUT - (Date.now() - this.connectTS),
0
);
this.reconnectTID = setTimeout(() => {
this.reconnectTID = 0;
this.onconnect();
}, delay);
return true;
}
onmse() {
/** @type {MediaSource} */
let ms;
if ("ManagedMediaSource" in window) {
const MediaSource = window.ManagedMediaSource;
ms = new MediaSource();
ms.addEventListener(
"sourceopen",
() => {
this.send({
type: "mse",
value: this.codecs(MediaSource.isTypeSupported),
});
},
{ once: true }
);
this.video.disableRemotePlayback = true;
this.video.srcObject = ms;
} else {
ms = new MediaSource();
ms.addEventListener(
"sourceopen",
() => {
URL.revokeObjectURL(this.video.src);
this.send({
type: "mse",
value: this.codecs(MediaSource.isTypeSupported),
});
},
{ once: true }
);
this.video.src = URL.createObjectURL(ms);
this.video.srcObject = null;
}
this.play();
this.mseCodecs = "";
this.onmessage["mse"] = (msg) => {
if (msg.type !== "mse") return;
this.mseCodecs = msg.value;
const sb = ms.addSourceBuffer(msg.value);
sb.mode = "segments"; // segments or sequence
sb.addEventListener("updateend", () => {
if (sb.updating) return;
try {
if (bufLen > 0) {
const data = buf.slice(0, bufLen);
bufLen = 0;
sb.appendBuffer(data);
} else if (sb.buffered && sb.buffered.length) {
const end = sb.buffered.end(sb.buffered.length - 1) - 15;
const start = sb.buffered.start(0);
if (end > start) {
sb.remove(start, end);
ms.setLiveSeekableRange(end, end + 15);
}
// console.debug("VideoRTC.buffered", start, end);
}
} catch (e) {
// console.debug(e);
}
});
const buf = new Uint8Array(2 * 1024 * 1024);
let bufLen = 0;
this.ondata = (data) => {
if (sb.updating || bufLen > 0) {
const b = new Uint8Array(data);
buf.set(b, bufLen);
bufLen += b.byteLength;
// console.debug("VideoRTC.buffer", b.byteLength, bufLen);
} else {
try {
sb.appendBuffer(data);
} catch (e) {
// console.debug(e);
}
}
};
};
}
onwebrtc() {
const pc = new RTCPeerConnection(this.pcConfig);
/** @type {HTMLVideoElement} */
const video2 = document.createElement("video");
video2.addEventListener("loadeddata", (ev) => this.onpcvideo(ev), {
once: true,
});
pc.addEventListener("icecandidate", (ev) => {
const candidate = ev.candidate ? ev.candidate.toJSON().candidate : "";
this.send({ type: "webrtc/candidate", value: candidate });
});
pc.addEventListener("track", (ev) => {
// when stream already init
if (video2.srcObject !== null) return;
// when audio track not exist in Chrome
if (ev.streams.length === 0) return;
// when audio track not exist in Firefox
if (ev.streams[0].id[0] === "{") return;
video2.srcObject = ev.streams[0];
});
pc.addEventListener("connectionstatechange", () => {
if (
pc.connectionState === "failed" ||
pc.connectionState === "disconnected"
) {
pc.close(); // stop next events
this.pcState = WebSocket.CLOSED;
this.pc = null;
this.onconnect();
}
});
this.onmessage["webrtc"] = (msg) => {
switch (msg.type) {
case "webrtc/candidate":
pc.addIceCandidate({
candidate: msg.value,
sdpMid: "0",
}).catch(() => {});
break;
case "webrtc/answer":
pc.setRemoteDescription({
type: "answer",
sdp: msg.value,
}).catch(() => {});
break;
case "error":
if (msg.value.indexOf("webrtc/offer") < 0) return;
pc.close();
}
};
// Safari doesn't support "offerToReceiveVideo"
pc.addTransceiver("video", { direction: "recvonly" });
pc.addTransceiver("audio", { direction: "recvonly" });
pc.createOffer().then((offer) => {
pc.setLocalDescription(offer).then(() => {
this.send({ type: "webrtc/offer", value: offer.sdp });
});
});
this.pcState = WebSocket.CONNECTING;
this.pc = pc;
}
/**
* @param ev {Event}
*/
onpcvideo(ev) {
if (!this.pc) return;
/** @type {HTMLVideoElement} */
const video2 = ev.target;
const state = this.pc.connectionState;
// Firefox doesn't support pc.connectionState
if (state === "connected" || state === "connecting" || !state) {
// Video+Audio > Video, H265 > H264, Video > Audio, WebRTC > MSE
let rtcPriority = 0,
msePriority = 0;
/** @type {MediaStream} */
const ms = video2.srcObject;
if (ms.getVideoTracks().length > 0) rtcPriority += 0x220;
if (ms.getAudioTracks().length > 0) rtcPriority += 0x102;
if (this.mseCodecs.indexOf("hvc1.") >= 0) msePriority += 0x230;
if (this.mseCodecs.indexOf("avc1.") >= 0) msePriority += 0x210;
if (this.mseCodecs.indexOf("mp4a.") >= 0) msePriority += 0x101;
if (rtcPriority >= msePriority) {
this.video.srcObject = ms;
this.play();
this.pcState = WebSocket.OPEN;
this.wsState = WebSocket.CLOSED;
this.ws.close();
this.ws = null;
} else {
this.pcState = WebSocket.CLOSED;
this.pc.close();
this.pc = null;
}
}
video2.srcObject = null;
}
onmjpeg() {
this.ondata = (data) => {
this.video.controls = false;
this.video.poster = `data:image/jpeg;base64,${VideoRTC.btoa(data)}`;
};
this.send({ type: "mjpeg" });
}
onmp4() {
/** @type {HTMLCanvasElement} **/
const canvas = document.createElement("canvas");
/** @type {CanvasRenderingContext2D} */
let context;
/** @type {HTMLVideoElement} */
const video2 = document.createElement("video");
video2.autoplay = true;
video2.playsInline = true;
video2.muted = true;
video2.addEventListener("loadeddata", (_) => {
if (!context) {
canvas.width = video2.videoWidth;
canvas.height = video2.videoHeight;
context = canvas.getContext("2d");
}
context.drawImage(video2, 0, 0, canvas.width, canvas.height);
this.video.controls = false;
this.video.poster = canvas.toDataURL("image/jpeg");
});
this.ondata = (data) => {
video2.src = `data:video/mp4;base64,${VideoRTC.btoa(data)}`;
};
this.send({ type: "mp4", value: this.codecs(this.video.canPlayType) });
}
static btoa(buffer) {
const bytes = new Uint8Array(buffer);
const len = bytes.byteLength;
let binary = "";
for (let i = 0; i < len; i++) {
binary += String.fromCharCode(bytes[i]);
}
return window.btoa(binary);
}
}
class VideoStream extends VideoRTC {
/**
* Custom GUI
*/
oninit() {
super.oninit();
const info = this.querySelector(".info");
this.insertBefore(this.video, info);
}
onconnect() {
const result = super.onconnect();
if (result) this.divMode = "loading";
return result;
}
ondisconnect() {
super.ondisconnect();
}
onopen() {
const result = super.onopen();
this.onmessage["stream"] = (_) => {};
return result;
}
onclose() {
return super.onclose();
}
onpcvideo(ev) {
super.onpcvideo(ev);
if (this.pcState !== WebSocket.CLOSED) {
this.divMode = "RTC";
}
}
}
if (customElements.get("video-stream") == undefined) {
customElements.define("video-stream", VideoStream);
}
export default function MSEPlayer({ src }) {
const videoRef = useRef();
useEffect(() => {
if (!videoRef.current) {
return;
}
videoRef.current.mode = "mse";
videoRef.current.src = src;
}, [videoRef]);
return <video-stream ref={videoRef} />;
}