我通过pyk4a替换了OrbbecSDK-K4A-Wrapper的dll的方式调用编写了一个录制mkv软件。
我把4个摄像头插到我的电脑上，并对4个摄像头使用了同步线。
我希望摄像头之间的延迟是5ms之内，帧率在35ms之内。
一开始每个摄像头录制都是稳定在35帧，但是在录制1500帧左右的时候会发生[04/24 16:04:01.839999][info][28132][DeviceManager.cpp:246] dev-uid@0x1045fc33, update device time succeeded! round-trip-time=1ms 从而导致某些摄像头的下一帧的帧数提高到37使得帧率不稳定。有些时候会跳到60帧数，我感觉这个问题是随机发生的。
我如何获取通到帧率稳定且同步的mkv录制文件？
部分log：
2024-04-24 16:04:00.0525 [INFO] - 帧数：1529/3600 frame_delay:[33. 33. 33. 33.] camera_delay:[0. 4. 1. 1.]
2024-04-24 16:04:00.0559 [INFO] - 帧数：1530/3600 frame_delay:[33. 34. 34. 34.] camera_delay:[0. 5. 2. 2.]
2024-04-24 16:04:00.0590 [INFO] - 帧数：1531/3600 frame_delay:[34. 33. 33. 33.] camera_delay:[0. 4. 1. 1.]
2024-04-24 16:04:00.0617 [INFO] - 帧数：1532/3600 frame_delay:[33. 33. 33. 33.] camera_delay:[0. 4. 1. 1.]
2024-04-24 16:04:00.0654 [INFO] - 帧数：1533/3600 frame_delay:[33. 34. 33. 34.] camera_delay:[0. 5. 1. 2.]
2024-04-24 16:04:00.0689 [INFO] - 帧数：1534/3600 frame_delay:[34. 33. 34. 33.] camera_delay:[0. 4. 1. 1.]
2024-04-24 16:04:00.0720 [INFO] - 帧数：1535/3600 frame_delay:[33. 33. 33. 33.] camera_delay:[0. 4. 1. 1.]
2024-04-24 16:04:00.0753 [INFO] - 帧数：1536/3600 frame_delay:[33. 33. 33. 33.] camera_delay:[0. 4. 1. 1.]
2024-04-24 16:04:00.0784 [INFO] - 帧数：1537/3600 frame_delay:[33. 34. 34. 34.] camera_delay:[0. 5. 2. 2.]
2024-04-24 16:04:00.0819 [INFO] - 帧数：1538/3600 frame_delay:[34. 33. 33. 33.] camera_delay:[0. 4. 1. 1.]
2024-04-24 16:04:00.0850 [INFO] - 帧数：1539/3600 frame_delay:[33. 33. 33. 33.] camera_delay:[0. 4. 1. 1.]
2024-04-24 16:04:00.0889 [INFO] - 帧数：1540/3600 frame_delay:[33. 33. 33. 33.] camera_delay:[0. 4. 1. 1.]
2024-04-24 16:04:00.0922 [INFO] - 帧数：1541/3600 frame_delay:[33. 34. 34. 34.] camera_delay:[0. 5. 2. 2.]
2024-04-24 16:04:00.0951 [INFO] - 帧数：1542/3600 frame_delay:[34. 33. 33. 33.] camera_delay:[0. 4. 1. 1.]
2024-04-24 16:04:00.0984 [INFO] - 帧数：1543/3600 frame_delay:[33. 33. 33. 33.] camera_delay:[0. 4. 1. 1.]
2024-04-24 16:04:01.0016 [INFO] - 帧数：1544/3600 frame_delay:[33. 34. 33. 34.] camera_delay:[0. 5. 1. 2.]
2024-04-24 16:04:01.0051 [INFO] - 帧数：1545/3600 frame_delay:[33. 33. 34. 33.] camera_delay:[0. 5. 2. 2.]
2024-04-24 16:04:01.0083 [INFO] - 帧数：1546/3600 frame_delay:[34. 33. 33. 33.] camera_delay:[0. 4. 1. 1.]
2024-04-24 16:04:01.0118 [INFO] - 帧数：1547/3600 frame_delay:[33. 33. 33. 33.] camera_delay:[0. 4. 1. 1.]
2024-04-24 16:04:01.0149 [INFO] - 帧数：1548/3600 frame_delay:[33. 34. 34. 34.] camera_delay:[0. 5. 2. 2.]
2024-04-24 16:04:01.0183 [INFO] - 帧数：1549/3600 frame_delay:[34. 33. 33. 33.] camera_delay:[0. 4. 1. 1.]
2024-04-24 16:04:01.0219 [INFO] - 帧数：1550/3600 frame_delay:[33. 33. 33. 33.] camera_delay:[0. 4. 1. 1.]
2024-04-24 16:04:01.0250 [INFO] - 帧数：1551/3600 frame_delay:[33. 33. 33. 33.] camera_delay:[0. 4. 1. 1.]
2024-04-24 16:04:01.0283 [INFO] - 帧数：1552/3600 frame_delay:[33. 34. 34. 34.] camera_delay:[0. 5. 2. 2.]
2024-04-24 16:04:01.0316 [INFO] - 帧数：1553/3600 frame_delay:[34. 33. 33. 33.] camera_delay:[0. 4. 1. 1.]
2024-04-24 16:04:01.0355 [INFO] - 帧数：1554/3600 frame_delay:[33. 33. 33. 33.] camera_delay:[0. 4. 1. 1.]
2024-04-24 16:04:01.0387 [INFO] - 帧数：1555/3600 frame_delay:[33. 34. 33. 34.] camera_delay:[0. 5. 1. 2.]
2024-04-24 16:04:01.0420 [INFO] - 帧数：1556/3600 frame_delay:[34. 33. 34. 33.] camera_delay:[0. 4. 1. 1.]
2024-04-24 16:04:01.0450 [INFO] - 帧数：1557/3600 frame_delay:[33. 33. 33. 33.] camera_delay:[0. 4. 1. 1.]
2024-04-24 16:04:01.0483 [INFO] - 帧数：1558/3600 frame_delay:[33. 33. 33. 33.] camera_delay:[0. 4. 1. 1.]
2024-04-24 16:04:01.0517 [INFO] - 帧数：1559/3600 frame_delay:[33. 34. 34. 34.] camera_delay:[0. 5. 2. 2.]
2024-04-24 16:04:01.0551 [INFO] - 帧数：1560/3600 frame_delay:[34. 33. 33. 33.] camera_delay:[0. 4. 1. 1.]
2024-04-24 16:04:01.0584 [INFO] - 帧数：1561/3600 frame_delay:[33. 33. 33. 33.] camera_delay:[0. 4. 1. 1.]
2024-04-24 16:04:01.0620 [INFO] - 帧数：1562/3600 frame_delay:[33. 33. 33. 33.] camera_delay:[0. 4. 1. 1.]
2024-04-24 16:04:01.0649 [INFO] - 帧数：1563/3600 frame_delay:[33. 34. 34. 34.] camera_delay:[0. 5. 2. 2.]
2024-04-24 16:04:01.0682 [INFO] - 帧数：1564/3600 frame_delay:[34. 33. 33. 33.] camera_delay:[0. 4. 1. 1.]
2024-04-24 16:04:01.0717 [INFO] - 帧数：1565/3600 frame_delay:[33. 33. 33. 33.] camera_delay:[0. 4. 1. 1.]
2024-04-24 16:04:01.0749 [INFO] - 帧数：1566/3600 frame_delay:[33. 34. 33. 34.] camera_delay:[0. 5. 1. 2.]
2024-04-24 16:04:01.0784 [INFO] - 帧数：1567/3600 frame_delay:[34. 33. 34. 33.] camera_delay:[0. 4. 1. 1.]
2024-04-24 16:04:01.0818 [INFO] - 帧数：1568/3600 frame_delay:[33. 33. 33. 33.] camera_delay:[0. 4. 1. 1.]
[04/24 16:04:01.839999][info][28132][DeviceManager.cpp:246] dev-uid@0x1045fc33, update device time succeeded! round-trip-time=1ms
[04/24 16:04:01.847195][info][28132][DeviceManager.cpp:246] dev-uid@0x16632598, update device time succeeded! round-trip-time=2ms
[04/24 16:04:01.858135][info][28132][DeviceManager.cpp:246] dev-uid@0x3085fa1d, update device time succeeded! round-trip-time=1ms
2024-04-24 16:04:01.0852 [INFO] - 帧数：1569/3600 frame_delay:[33. 33. 33. 33.] camera_delay:[0. 4. 1. 1.]
[04/24 16:04:01.861869][info][28132][DeviceManager.cpp:246] dev-uid@0x463c7c, update device time succeeded! round-trip-time=1ms
2024-04-24 16:04:01.0884 [INFO] - 帧数：1570/3600 frame_delay:[35. 35. 34. 34.] camera_delay:[0. 4. 0. 0.]
2024-04-24 16:04:01.0917 [INFO] - 帧数：1571/3600 frame_delay:[35. 33. 34. 36.] camera_delay:[ 0. 2. -1. 1.]
2024-04-24 16:04:01.0917 [INFO] - 帧数过大 [35. 33. 34. 36.] ，帧数限制35
2024-04-24 16:04:01.0917 [INFO] - data\24-04-24-16-03-06\24-04-24-16-03-06_CL8MB3300J5_0.mkv