Dear TI 专家,
这是原本的chain (我有两颗镜头以及一个Panel):
Iss Capture -> Select_1 (后镜头) -> Framecopy(镜像) -> Merge_1 -> Select_2 ->VPE ->Display
-> Select_1 (前镜头) -> (Nothing) -> Merge_1
透过此chain可以看到前后镜头切换的效果且没有问题 (切到后镜头显示镜像,切到前镜头正常显示)
但是在将usecase : vip_single_cam_lane_detection 移植在前镜头的link上时却无法正常显示
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如图,以下是修改移植后的chain =>红色框起部分 (备注: 我们板子上没有EVE Core , 所以拿掉了Alg_ImagePreProcess)
情况是 我目前只有一个Panel所以靠Select_2来切换前后镜头
前镜头想要达到可以做车道偏移警示的演算法
后镜头只想做到Framecopy(镜像)
目前可以透过某些方式达到前后镜头的切换
在切换时后镜头显示没有问题
但切到前镜头画面却出不来
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所以我印出link的状态
[HOST] [IPU2 ] 45.086622 s: [ ISSCAPTURE ] Link Statistics, [HOST] [IPU2 ] 45.086713 s: ****************************** [HOST] [IPU2 ] 45.086866 s: [HOST] [IPU2 ] 45.086927 s: Elapsed time = 19358 msec [HOST] [IPU2 ] 45.087049 s: [HOST] [IPU2 ] 45.087110 s: Get Full Buf Cb = 57.49 fps [HOST] [IPU2 ] 45.087201 s: Put Empty Buf Cb = 97.73 fps [HOST] [IPU2 ] 45.087323 s: Driver/Notify Cb = 57.49 fps [HOST] [IPU2 ] 45.087415 s: [HOST] [IPU2 ] 45.087476 s: Input Statistics, [HOST] [IPU2 ] 45.087567 s: [HOST] [IPU2 ] 45.087598 s: CH | In Recv | In Drop | In User Drop | In Process [HOST] [IPU2 ] 45.087720 s: | FPS | FPS | FPS | FPS [HOST] [IPU2 ] 45.087872 s: -------------------------------------------------- [HOST] [IPU2 ] 45.088025 s: 0 | 27.94 0. 0 0. 0 27.94 [HOST] [IPU2 ] 45.088330 s: 1 | 29.65 0. 0 0. 0 29.65 [HOST] [IPU2 ] 45.088513 s: [HOST] [IPU2 ] 45.088574 s: Output Statistics, [HOST] [IPU2 ] 45.088635 s: [HOST] [IPU2 ] 45.088696 s: CH | Out | Out | Out Drop | Out User Drop [HOST] [IPU2 ] 45.088848 s: | ID | FPS | FPS | FPS [HOST] [IPU2 ] 45.089001 s: --------------------------------------------- [HOST] [IPU2 ] 45.089092 s: 0 | 0 27.94 0. 0 0. 0 [HOST] [IPU2 ] 45.089245 s: 1 | 0 29.54 0. 0 0. 0 [HOST] [IPU2 ] 45.092203 s: [HOST] [IPU2 ] 45.092325 s: [ VPE ] Link Statistics, [HOST] [IPU2 ] 45.092386 s: ****************************** [HOST] [IPU2 ] 45.092478 s: [HOST] [IPU2 ] 45.092508 s: Elapsed time = 19361 msec [HOST] [IPU2 ] 45.092600 s: [HOST] [IPU2 ] 45.092631 s: New data Recv = 27.94 fps [HOST] [IPU2 ] 45.092814 s: Driver/Notify Cb = 27.94 fps [HOST] [IPU2 ] 45.092905 s: [HOST] [IPU2 ] 45.092966 s: Input Statistics, [HOST] [IPU2 ] 45.093027 s: [HOST] [IPU2 ] 45.093058 s: CH | In Recv | In Drop | In User Drop | In Process [HOST] [IPU2 ] 45.093149 s: | FPS | FPS | FPS | FPS [HOST] [IPU2 ] 45.093271 s: -------------------------------------------------- [HOST] [IPU2 ] 45.093363 s: 0 | 27.94 0. 0 0. 0 0. 0 [HOST] [IPU2 ] 45.093515 s: [HOST] [IPU2 ] 45.093576 s: Output Statistics, [HOST] [IPU2 ] 45.093637 s: [HOST] [IPU2 ] 45.093668 s: CH | Out | Out | Out Drop | Out User Drop [HOST] [IPU2 ] 45.093790 s: | ID | FPS | FPS | FPS [HOST] [IPU2 ] 45.093912 s: --------------------------------------------- [HOST] [IPU2 ] 45.094003 s: 0 | 0 0. 0 27.94 0. 0 [HOST] [IPU2 ] 45.094156 s: [HOST] [IPU2 ] 45.094217 s: [ VPE ] LATENCY, [HOST] [IPU2 ] 45.094247 s: ******************** [HOST] [IPU2 ] 45.094339 s: [HOST] [IPU2 ] 45.095101 s: [HOST] [IPU2 ] 45.095162 s: [ ALG_IMG_PYRAMID ] Link Statistics, [HOST] [IPU2 ] 45.095254 s: ****************************** [HOST] [IPU2 ] 45.095315 s: [HOST] [IPU2 ] 45.095376 s: Elapsed time = 19360 msec [HOST] [IPU2 ] 45.095437 s: [HOST] [IPU2 ] 45.095498 s: [HOST] [IPU2 ] 45.095559 s: Input Statistics, [HOST] [IPU2 ] 45.095620 s: [HOST] [IPU2 ] 45.095650 s: CH | In Recv | In Drop | In User Drop | In Process [HOST] [IPU2 ] 45.096016 s: | FPS | FPS | FPS | FPS [HOST] [IPU2 ] 45.096138 s: -------------------------------------------------- [HOST] [IPU2 ] 45.096260 s: [HOST] [IPU2 ] 45.096291 s: Output Statistics, [HOST] [IPU2 ] 45.096352 s: [HOST] [IPU2 ] 45.096413 s: CH | Out | Out | Out Drop | Out User Drop [HOST] [IPU2 ] 45.096504 s: | ID | FPS | FPS | FPS [HOST] [IPU2 ] 45.096596 s: --------------------------------------------- [HOST] [IPU2 ] 45.097145 s: [HOST] [IPU2 ] 45.097206 s: [ ALG_IMG_PYRAMID ] LATENCY, [HOST] [IPU2 ] 45.097297 s: ******************** [HOST] [IPU2 ] 45.097358 s:
发现前镜头那路的Vpe的link 在一开始的时候 就有 Out Drop FPS 的现象
不太明白VPE Link受到什么影响
想请问这如何改善这个问题呢?
请问我的link这样做有任何错误吗?或影响延迟的地方吗?
是否有哪个link会影响造成这个结果呢? 可能可以做哪些修改呢?
再麻烦各位专家了 谢谢!
Best Regards,
David