PYM丢帧

帮忙分析下原因：

条件：前周视6V接入单J5上，摄像头30fps，消费者App通过Pub/Sub Callback机制获取摄像头数据，但是消费者App消费摄像头数据时间 为 ~40ms。

现象：出现摄像头数据丢帧

问题：#1 hw_drop_count是表示PYM硬件能力不够，导致的丢帧吗？ 还是PYM Buffer管理或使用不当导致的？

#2 hb_vio_get_data_conditional 耗时远超 33ms 的原因是什么？

#3 如上问题，如何能做到不丢帧？或者如何做到 固定的丢帧（比如只丢奇数帧）？

Log：

#1

==================== S10 info ====================

pym_mode: 4 input_width: 1920 input_height: 1280

Frame running info: alloc capture buffer count 11

[Request 7 Process 0 Complete 0 User 4]

Frame[0] instance 10, status 1

Frame[1] instance 10, status 4

Frame[2] instance 10, status 4

Frame[3] instance 10, status 1

Frame[4] instance 10, status 4

Frame[5] instance 10, status 1

Frame[6] instance 10, status 1

Frame[7] instance 10, status 1

Frame[8] instance 10, status 1

Frame[9] instance 10, status 4

Frame[10] instance 10, status 1

pym_mode: 4 input_width: 1920 input_height: 1280

Total hw drop count: 395, isp drop count 0

sw drop count: 0

Frame running info: alloc capture buffer count 6

[Request 2 Process 0 Complete 0 User 4]

Frame[0] instance 1, status 1

Frame[1] instance 1, status 4

Frame[2] instance 1, status 4

Frame[3] instance 1, status 1

Frame[4] instance 1, status 4

Frame[5] instance 1, status 4

#2

[W][3032][sensor_center][00:43:06:643245][camera.cpp:628][sensor_center] HB_VIO_PYM_DATA_V2 pipeline: 1 hb_vio_get_data_conditional cost: 33136 us!

[E][3032][sensor_center][00:43:06:742709][camera_com.cpp:261][sensor_center] camera_1 data loss!

#3

130|root@journey5:/ # while(true) do cat /sys/devices/platform/soc/47010000.cam_sys/470e0000.pym/fps; sleep 1; done

pym0 pipe 5: input fps 27, output fps 14

pym0 pipe 10: input fps 30, output fps 30

pym0 pipe 5: input fps 26, output fps 15

pym0 pipe 10: input fps 30, output fps 30

pym0 pipe 5: input fps 28, output fps 17

pym0 pipe 10: input fps 30, output fps 30

pym0 pipe 5: input fps 27, output fps 14

pym0 pipe 10: input fps 30, output fps 30

pym0 pipe 5: input fps 28, output fps 15

pym0 pipe 10: input fps 30, output fps 30

pym0 pipe 5: input fps 27, output fps 17

pym0 pipe 10: input fps 30, output fps 30

pym0 pipe 5: input fps 27, output fps 16

pym0 pipe 10: input fps 30, output fps 30

pym0 pipe 5: input fps 25, output fps 13

pym0 pipe 10: input fps 30, output fps 30

pym0 pipe 5: input fps 29, output fps 15

pym0 pipe 10: input fps 30, output fps 30

#4 每个摄像的PYM Buffer 为6 。改成 12后，问题仍然存在