import * as express from "express";
import * as expressWebSocket from "express-ws";
import ffmpeg from "fluent-ffmpeg";
import webSocketStream from "websocket-stream/stream";
import WebSocket from "websocket-stream";
import * as http from "http";
function localServer() {
    let app = express();
    app.use(express.static(__dirname));
    expressWebSocket(app, null, {
        perMessageDeflate: true
    });
    app.ws("/rtsp/:id/", rtspRequestHandle)
    app.listen(8888);
    console.log("express listened")
}
function rtspRequestHandle(ws, req) {
    console.log("rtsp request handle");
    const stream = webSocketStream(ws, {
        binary: true,
        browserBufferTimeout: 1000000
    }, {
        browserBufferTimeout: 1000000
    });
    let url = req.query.url;
    console.log("rtsp url:", url);
    console.log("rtsp params:", req.params);
    try {
        ffmpeg(url)
            .addInputOption("-rtsp_transport", "tcp", "-buffer_size", "102400")  // 這里可以添加一些 RTSP 優(yōu)化的參數(shù)
            .on("start", function () {
                console.log(url, "Stream started.");
            })
            .on("codecData", function () {
                console.log(url, "Stream codecData.")
             // 攝像機在線處理
            })
            .on("error", function (err) {
                console.log(url, "An error occured: ", err.message);
            })
            .on("end", function () {
                console.log(url, "Stream end!");
             // 攝像機斷線的處理
            })
            .outputFormat("flv").videoCodec("copy").noAudio().pipe(stream);
    } catch (error) {
        console.log(error);
    }
}

<template>
    <div>
        <video class="demo-video" ref="player"></video>
    </div>
</template>
<script>
import flvjs from "flv.js";
export default {
    props: {
        rtsp: String,
        id: String
    },
    /**
     * @returns {{player: flvjs.Player}}
     */
    data () {
        return {
            player: null
        }
    },
    mounted () {
        if (flvjs.isSupported()) {
            let video = this.$refs.player;
            if (video) {
                this.player = flvjs.createPlayer({
                    type: "flv",
                    isLive: true,
                    url: `ws://localhost:8888/rtsp/${this.id}/?url=${this.rtsp}`
                });
                this.player.attachMediaElement(video);
                try {
                    this.player.load();
                    this.player.play();
                } catch (error) {
                    console.log(error);
                };
            }
        }
    },
    beforeDestroy () {
        this.player.destory();
    }
}
</script>
<style>
    .demo-video {
        max-width: 480px; 
        max-height: 360px;
    }
</style>