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player.html

@@ -1689,6 +1689,8 @@
               }
             });
 
+            console.log('canvas', canvas);
+
             // 将捕捉到的画面绘制到录制画布上
             mvCtx.clearRect(0, 0, mvCanvas.width, mvCanvas.height);
             mvCtx.drawImage(canvas, 0, 0, mvCanvas.width, mvCanvas.height);