• 让氛围模式直接使用视频画面作为背景，缩小视频后仍可正常显示
• 熄屏恢复后保留氛围背景，并减少切换画面时的黑屏闪烁

English Version

• Use video frames directly for ambience backgrounds so they remain visible when the video is scaled down
• Preserve ambience backgrounds after the screen wakes and reduce black flashes during scene changes