update,fix bug，增加mask通道输出

run_comfyui_biref.py

@@ -78,13 +78,14 @@ def _upload_image(input_path, name, image_type="input", overwrite=False, subfold
 
 def infer(ws, local_image_path, upload_image_name, prompt):
     # 将local_image_path的图片上传到server，命名为upload_image_name
-    # _upload_image(local_image_path, upload_image_name)
+    _upload_image(local_image_path, upload_image_name)
     # 将promt中的input节点需要读取的图片名称设置为刚刚上传的图片名
     prompt["2"]["inputs"]["image"] = upload_image_name
     #run inference
     img = get_images(ws, prompt)
-    print('biref matting output: %s'%img.shape)
-    return img
+    print('biref matting output size: %s'% str(img.size))
+    r, g, b, a = img.split()
+    return img, a
 
 
 if __name__ == "__main__":