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import flvJs from "flv.js";
import { getCameraStream } from "@screen/pages/Home/components/RoadAndEvents/utils/httpList.js";
/**
*
* @param {HTMLElement} container 容器
* @param {{camId?: string; url?: string}?} options {camId: 相机ID; url: 直播地址}
* @returns
*/
export async function openVideoStream(container, { camId, url } = {}) {
if (camId) {
const { code, data } = await getCameraStream(camId).catch(() => ({}));
if (code != 200) return;
url = data.liveUrl;
}
if (!url) return;
// console.log(flvJs.getFeatureList().mseLivePlayback);
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const player = flvJs.createPlayer({
type: "flv",
url: url,
isLive: true,
hasVideo: true,
hasAudio: true,
});
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player.attachMediaElement(container);
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player.load();
player.play();
player.on(flvJs.Events.ERROR, (e) => {});
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return player;
}
export class HttpLivePlayer {
/**
* @type { flvJs.Player }
*/
player;
/**
* @type { HTMLVideoElement }
*/
container;
url;
// 解码 帧
lastDecodedFrames;
constructor(container, options) {
this.container = container;
console.log("--- 视频 1 ---");
this.getUrl(options).then(() => {
console.log("--- 视频 3 ---");
this.initLiveVideo();
});
}
async getUrl({ camId, url } = {}) {
console.log("--- 视频 2 ---");
if (camId) {
const { code, data } = await getCameraStream(camId).catch(() => ({}));
console.log("--- 视频 2.4 ---");
if (code != 200) return;
url = data.liveUrl;
}
console.log("--- 视频 2.7 ---");
if (!url) return Promise.reject("获取 url 失败!");
return (this.url = url);
}
destroy() {
if (!this.player) return;
this.player.pause();
this.player.unload();
this.player.detachMediaElement();
this.player.destroy();
this.player = null;
}
initLiveVideo() {
console.log("--- 视频 4 ---");
this.destroy();
this.lastDecodedFrames = null;
this.player = flvJs.createPlayer(
{
type: "flv",
url: this.url,
isLive: true,
hasVideo: true,
hasAudio: false,
},
{
autoCleanupSourceBuffer: true,
// enableWorker: false, //不启用分离线程
// enableStashBuffer: true, //关闭IO隐藏缓冲区
isLive: true,
lazyLoad: false,
}
);
this.player.attachMediaElement(this.container);
this.player.load();
this.player.play();
this.player.on(flvJs.Events.ERROR, (errorType, errorDetail, errorInfo) => {
console.log("errorType", errorType);
console.log("errorDetail", errorDetail);
console.log("errorInfo", errorInfo);
// 视频出错后销毁重建
this.destroy();
this.initLiveVideo();
});
// 视频断流
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this.player.on(flvJs.Events.STATISTICS_INFO, (res) => {
if (this.lastDecodedFrames != res.decodedFrames) {
this.lastDecodedFrames = res.decodedFrames;
} else {
this.lastDecodedFrames = 0;
this.destroy();
this.initLiveVideo();
}
});
}
}