feat: 增加编码检查函数

h5/src/components/vionPlayer/utils.js

@@ -52,3 +52,109 @@ export function getWatermarkCanvasImg(width, height, text, image) {
   return canvas;
   return canvas;
   // return canvas.toDataURL('image/png');
   // return canvas.toDataURL('image/png');
 }
 }
+
+// 支持MSE H265解码
+export function checkSupportMSEHevc() {
+  return window.MediaSource && window.MediaSource.isTypeSupported('video/mp4; codecs="hev1.1.6.L123.b0"');
+}
+
+// 支持Webcodecs H265解码
+export function checkSupportWCSHevc() {
+  const browserInfo = getBrowser();
+  const supportWCS = checkSupportWCS();
+
+  return supportWCS && browserInfo.type.toLowerCase() === 'chrome' && browserInfo.version >= 107 && (location.protocol === 'https:' || location.hostname === 'localhost');
+}
+
+// 支持WASM解码
+export function checkSupportWasm() {
+  try {
+      if (typeof window.WebAssembly === 'object' && typeof window.WebAssembly.instantiate === 'function') {
+          const module = new window.WebAssembly.Module(Uint8Array.of(0x0, 0x61, 0x73, 0x6d, 0x01, 0x00, 0x00, 0x00));
+          if (module instanceof window.WebAssembly.Module) {
+              return new window.WebAssembly.Instance(module) instanceof window.WebAssembly.Instance;
+          }
+      }
+      return false;
+  } catch (e) {
+      return false;
+  }
+}
+
+// 支持WASM SIMD解码
+export function checkSupportSIMD() {
+  return WebAssembly && WebAssembly.validate(new Uint8Array([0, 97, 115, 109, 1, 0, 0, 0, 1, 5, 1, 96, 0, 1, 123, 3, 2, 1, 0, 10, 10, 1, 8, 0, 65, 0, 253, 15, 253, 98, 11]));
+}
+
+function checkSupportWCS() {
+  return "VideoEncoder" in window;
+}
+
+function getBrowser() {
+  const UserAgent = window.navigator.userAgent.toLowerCase() || '';
+  let browserInfo = {
+      type: '',
+      version: ''
+  };
+  var browserArray = {
+      IE: window.ActiveXObject || "ActiveXObject" in window, // IE
+      Chrome: UserAgent.indexOf('chrome') > -1 && UserAgent.indexOf('safari') > -1, // Chrome浏览器
+      Firefox: UserAgent.indexOf('firefox') > -1, // 火狐浏览器
+      Opera: UserAgent.indexOf('opera') > -1, // Opera浏览器
+      Safari: UserAgent.indexOf('safari') > -1 && UserAgent.indexOf('chrome') == -1, // safari浏览器
+      Edge: UserAgent.indexOf('edge') > -1, // Edge浏览器
+      QQBrowser: /qqbrowser/.test(UserAgent), // qq浏览器
+      WeixinBrowser: /MicroMessenger/i.test(UserAgent) // 微信浏览器
+  };
+  // console.log(browserArray)
+  for (let i in browserArray) {
+      if (browserArray[i]) {
+          let versions = '';
+          if (i === 'IE') {
+              const versionArray = UserAgent.match(/(msie\s|trident.*rv:)([\w.]+)/)
+              if (versionArray && versionArray.length > 2) {
+                  versions = UserAgent.match(/(msie\s|trident.*rv:)([\w.]+)/)[2];
+              }
+          } else if (i === 'Chrome') {
+              for (let mt in navigator.mimeTypes) {
+                  //检测是否是360浏览器(测试只有pc端的360才起作用)
+                  if (navigator.mimeTypes[mt]['type'] === 'application/360softmgrplugin') {
+                      i = '360';
+                  }
+              }
+              const versionArray = UserAgent.match(/chrome\/([\d.]+)/);
+              if (versionArray && versionArray.length > 1) {
+                  versions = versionArray[1];
+              }
+          } else if (i === 'Firefox') {
+              const versionArray = UserAgent.match(/firefox\/([\d.]+)/);
+              if (versionArray && versionArray.length > 1) {
+                  versions = versionArray[1];
+              }
+          } else if (i === 'Opera') {
+              const versionArray = UserAgent.match(/opera\/([\d.]+)/);
+              if (versionArray && versionArray.length > 1) {
+                  versions = versionArray[1];
+              }
+          } else if (i === 'Safari') {
+              const versionArray = UserAgent.match(/version\/([\d.]+)/);
+              if (versionArray && versionArray.length > 1) {
+                  versions = versionArray[1];
+              }
+          } else if (i === 'Edge') {
+              const versionArray = UserAgent.match(/edge\/([\d.]+)/);
+              if (versionArray && versionArray.length > 1) {
+                  versions = versionArray[1];
+              }
+          } else if (i === 'QQBrowser') {
+              const versionArray = UserAgent.match(/qqbrowser\/([\d.]+)/);
+              if (versionArray && versionArray.length > 1) {
+                  versions = versionArray[1];
+              }
+          }
+          browserInfo.type = i;
+          browserInfo.version = parseInt(versions);
+      }
+  }
+  return browserInfo;
+}