[BUG]   GetRgbaBuffer()卡顿;

实时调用 const uint8_t* data = _sinkRawData->GetRgbaBuffer() / GetI420Buffer()，卡顿严重；
使用demo运行，ui无法响应；
还有类似之前的RawOutputCallback 回调接口吗？

**Running Information(please complete the following information):**
 - GPUPixel Version using : [e.g. 1.3.1]
 - Operating System: [e.g.  iOS 18.1,]
 - Device Info: [e.g. iPhone 13 pro]


