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我正在开发一个 Kinect 应用程序。我有两个线程，一个用于读取关节的值（包含 20 个关节的 x、y、z 坐标），另一个用于读取深度值（每帧 76800 个短值）。我从按下开始按钮开始记录这些值，直到按下结束按钮。我希望编写相同数量的关节和深度帧，但我总是以很多关节帧结束。我捕获了 150 个深度帧但 180 个关节帧，我认为这是因为深度写入缓冲区的数据量。联合只在每帧中写入 60 个浮点数，但深度为 76800 短裤。

我怎样才能从每个捕获相同数量的帧？（Kinect 捕捉深度和坐标 25 到 30 FPS）

此日志还显示了每个调用的线程数不相等：

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1 回答 1

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拥有一个由锁和条件变量保护的共享表，该变量保持对已捕获的每种类型的帧数的计数。如果任一线程发现它捕获的帧比另一个多，则让它阻塞条件变量。当任一线程完成获取帧时，它会增加其类型的计数并广播条件变量。

于 2012-12-09T03:07:43.033 回答