add getScreenshotBlobUrl

packages/artplayer/src/index.js

@@ -50,6 +50,10 @@ class Artplayer extends Emitter {
         return utils;
     }
 
+    static get Emitter() {
+        return Emitter;
+    }
+
     static get DEFAULTS() {
         return {
             container: '#artplayer',

packages/artplayer/src/player/screenshotMix.js

@@ -14,7 +14,7 @@ export default function screenshotMix(art, player) {
                 canvas.width = $video.videoWidth;
                 canvas.height = $video.videoHeight;
                 canvas.getContext('2d').drawImage($video, 0, 0);
-                return canvas.toDataURL('image/png');;
+                return canvas.toDataURL('image/png');
             } catch (error) {
                 notice.show(error);
                 console.warn(error);
@@ -23,6 +23,25 @@ export default function screenshotMix(art, player) {
         },
     });
 
+    Object.defineProperty(player, 'getScreenshotBlobUrl', {
+        value: () => {
+            return new Promise((resolve, reject) => {
+                try {
+                    const canvas = document.createElement('canvas');
+                    canvas.width = $video.videoWidth;
+                    canvas.height = $video.videoHeight;
+                    canvas.getContext('2d').drawImage($video, 0, 0);
+                    canvas.toBlob(blob => {
+                        resolve(URL.createObjectURL(blob));
+                    });
+                } catch (error) {
+                    notice.show(error);
+                    reject(error);
+                }
+            });
+        },
+    });
+
     Object.defineProperty(player, 'screenshot', {
         value: () => {
             const dataUri = player.getScreenshotDataURL();

packages/artplayer/src/utils/index.js

@@ -60,12 +60,12 @@ export function debounce(func, wait, context) {
     fn.clearTimeout = function ct() {
         clearTimeout(timeout);
     };
-    
+
     return fn;
 }
 
 export function isObject(item) {
-    return (item && typeof item === 'object' && !Array.isArray(item));
+    return item && typeof item === 'object' && !Array.isArray(item);
 }
 
 export function isElement(item) {
@@ -179,4 +179,4 @@ export function downloadImage(url, name) {
     document.body.appendChild(elink);
     elink.click();
     document.body.removeChild(elink);
-}
+}