本地视频卡顿

设备性能较差，1920x1080的分辨率设备 播放 2540x1920的视频，卡顿严重。是否有什么需要特殊配置的

No source files, tests, or entry points are named. Start by reproducing local playback on the stated low-performance device with a 2540x1920 video on a 1920x1080 display, then inspect the project’s playback and hardware-acceleration configuration. Done means identifying a confirmed configuration or change that addresses the severe stuttering.

Written by the indexing model from the issue text.