qt画中画播放

[{"title":"（ 342 个子文件 32.89MB ） qt画中画播放","children":[{"title":"Makefile <span style='color:#111;'> 6.30KB </span>","children":null,"spread":false},{"title":"object_script.MyVideoTest.Debug <span style='color:#111;'> 1.78KB </span>","children":null,"spread":false},{"title":"object_script.MyVideoTest.Release <span style='color:#111;'> 1.91KB </span>","children":null,"spread":false},{"title":"moc_appenderskeleton.o <span style='color:#111;'> 10.01KB </span>","children":null,"spread":false},{"title":"moc_denyallfilter.o <span style='color:#111;'> 5.82KB </span>","children":null,"spread":false},{"title":"......","children":null,"spread":false},{"title":"<span style='color:steelblue;'>文件过多，未全部展示</span>","children":null,"spread":false}],"spread":true}]