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    cam does not seem to be alive issue

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    • G
      giladWDS @Alex Kushleyev
      last edited by 28 Oct 2024, 09:40

      @Alex-Kushleyev
      I have tested different layouts with different cameras disabled and it didn't work either.
      for some reason, the voxl won't accept any other frame rate in the config file other than 30.

      A 1 Reply Last reply 31 Oct 2024, 03:02 Reply Quote 0
      • A
        Alex Kushleyev ModalAI Team @giladWDS
        last edited by 31 Oct 2024, 03:02

        @giladWDS , this is strange. I can set IMX412 to any rate I want, however I am using different sensormodule files - can you please try to use ones from :

        /usr/share/modalai/chi-cdk/imx412-fpv/com.qti.sensormodule.imx412_fpv_0.bin
        /usr/share/modalai/chi-cdk/imx412-fpv/com.qti.sensormodule.imx412_fpv_2.bin

        instead of com.qti.sensormodule.imx412_0.bin com.qti.sensormodule.imx412_2.bin (remove or rename these first).

        please note that it is possible that the "fpv" version of the sensormodules may not have the full resolution in your older system image (latest ones do), which you can check using voxl-camera-server -l, but i think it should..

        Edit: i also tried the modules you used, and works fine for me (i tested using a single camera)

        One more thing to try is to lock camera server to faster cpu cores, which can be done in the following way from command line (you should stop the camera server service first):

        taskset --cpu-list 4-7 voxl-camera-server
        

        If this still does not work, please provide output of dmesg and logcat saved to separate files, so i can potentially see the reason for the crash. Thanks! (well, even if one of the solutions works, i would still be curious what error you were getting before!)

        Alex

        G 1 Reply Last reply 3 Nov 2024, 17:58 Reply Quote 0
        • G
          giladWDS @Alex Kushleyev
          last edited by 3 Nov 2024, 17:58

          @Alex-Kushleyev
          It would take some time to do this since I found a workaround compiling the camera server from source with a small fix:
          I changed the hal3_camera_mgr.cpp
          from:
          int32_t frame_rate_rate[] = {fps,fps};
          into:
          int32_t frame_rate_rate[] = {1,30};
          I know this is hacky and will probably bite me if I try to put higher fps for low fps cameras like a tof or something but it works for now.
          I will get back to it and update.

          A 1 Reply Last reply 4 Nov 2024, 21:00 Reply Quote 0
          • A
            Alex Kushleyev ModalAI Team @giladWDS
            last edited by 4 Nov 2024, 21:00

            @giladWDS , thanks for the udpate!

            I believe we had to use the following line in order to enable fps higher than 30 (or higher than 60, i forget), otherwise the high fps was not working.

            int32_t frame_rate_rate[] = {fps,fps};
            

            We will keep this in mind, however I am not able to reproduce your issues, so we'll just keep this conversation open.

            Alex

            G 1 Reply Last reply 5 Nov 2024, 12:31 Reply Quote 0
            • G
              giladWDS @Alex Kushleyev
              last edited by 5 Nov 2024, 12:31

              @Alex-Kushleyev hi
              I just stumbled upon the same bug with our voxl-flight-deck module that also refuses to downscale the fps.

              A 1 Reply Last reply 5 Nov 2024, 15:33 Reply Quote 0
              • A
                Alex Kushleyev ModalAI Team @giladWDS
                last edited by 5 Nov 2024, 15:33

                @giladWDS , can you please provide minimal instructions to reproduce on voxl2? I can try it from sdk install, then configure cameras, modify config to lower fps and test.

                Regarding flight deck, is it voxl2 flight deck or voxl1?

                Alex

                A G 2 Replies Last reply 5 Nov 2024, 15:54 Reply Quote 0
                • A
                  Alex Kushleyev ModalAI Team @Alex Kushleyev
                  last edited by 5 Nov 2024, 15:54

                  Perhaps the solution will be to check if desired fps is less than 30, then use the different fps range, but I would like to reproduce first, since i am able to set the fps correctly below 30 as is.

                  1 Reply Last reply Reply Quote 0
                  • G
                    giladWDS @Alex Kushleyev
                    last edited by 7 Nov 2024, 14:50

                    @Alex-Kushleyev
                    the flight-deck is a voxl2 unit (qrb chip)
                    with voxl-camera-server 1.8.9 on 1.1.2 SDK
                    other than that one imx412 is enough for the server to crash but let me know if you want the full config and/or driver list

                    A 1 Reply Last reply 16 Nov 2024, 05:24 Reply Quote 0
                    • A
                      Alex Kushleyev ModalAI Team @giladWDS
                      last edited by 16 Nov 2024, 05:24

                      @giladWDS ,

                      Is it possible for you to try the same test on the latest SDK, at least 1.3.3 or 1.3.5 ?

                      There have been many fixes and updates since 1.1.2 and 1.2.0.

                      I just tested again on our latest camera server and no issue running 5 or 10hz preview at full resolution 4056x3040.

                      Alex

                      G 1 Reply Last reply 17 Nov 2024, 12:10 Reply Quote 0
                      • G
                        giladWDS @Alex Kushleyev
                        last edited by 17 Nov 2024, 12:10

                        @Alex-Kushleyev
                        I will test it with the flight deck and let you know as soon as I can

                        A 1 Reply Last reply 19 Nov 2024, 19:05 Reply Quote 0
                        • A
                          Alex Kushleyev ModalAI Team @giladWDS
                          last edited by 19 Nov 2024, 19:05

                          @giladWDS , I believe i was able to reproduce the issue. It seems you cannot set the fps lower than 15fps only when you have raw preview enabled and no other streams that use ISP are running. Can you please confirm that this is the case?

                          If you have non-raw preview or other streams enabled like small or large video, then what happens the pipeline will actually drop frames to achieve the desired fps. So it is not ideal, that is to say that the camera is still sending higher fps, but the frames are dropped. However, the overhead for receiving extra frames and dropping them at lowest level is not too big. I will investigate if we can actually set the camera to run at the desired lower fps.

                          I am pretty sure that i can fix it, perhaps using the fix you already found, but can you please confirm that this is your camera configuration, if possible just paste your hires camera config here. Thanks!

                          Alex

                          G 1 Reply Last reply 8 Dec 2024, 10:14 Reply Quote 0
                          • G
                            giladWDS @Alex Kushleyev
                            last edited by 8 Dec 2024, 10:14

                            @Alex-Kushleyev
                            sorry for the delay,
                            this sounds about right.
                            I'm not sure about the 15 fps but we do use raw preview only for our application and no other stream
                            this is my camera conf file:

                            cat /etc/modalai/voxl-camera-server.conf 
                            /**
                             * voxl-camera-server Configuration File
                             *
                             * Each camera has configurations for up to 4 HAL3 streams:
                             *    - `preview` stream for raw unprocessed images from CV cameras
                             *    - `small_video` 720p (ish) h264/h265 compressed for fpv video streaming
                             *    - `large_video` 4k (ish) h264/h265 for onboard video recording to disk
                             *    - `snapshot` ISP-processed JPG snapshots that get saved to disk
                             *
                             * on QRB5165 platforms (VOXL2 and VOXL2 mini) you can only have 3 of the 4 enabled
                             *
                             * This file is generated from default values by voxl-configure-cameras.
                             * Do not expect arbitrary resolutions to work, the ISP and video compression
                             * pipelines only support very specific resolutions.
                             *
                             * The default video compression mode is cqp or Constant Quantization Parameter
                             *
                             *
                             *
                             */
                            {
                            	"version":	0.1,
                            	"cameras":	[{
                            			"type":	"ov7251",
                            			"name":	"stereo",
                            			"enabled":	true,
                            			"camera_id":	0,
                            			"camera_id_second":	1,
                            			"independent_exposure":	false,
                            			"fps":	30,
                            			"en_rotate":	false,
                            			"en_rotate_second":	false,
                            			"en_preview":	true,
                            			"preview_width":	640,
                            			"preview_height":	480,
                            			"en_raw_preview":	true,
                            			"ae_mode":	"lme_msv",
                            			"ae_desired_msv":	60,
                            			"exposure_min_us":	20,
                            			"exposure_max_us":	33000,
                            			"gain_min":	54,
                            			"gain_max":	8000,
                            			"exposure_soft_min_us":	5000,
                            			"ae_filter_alpha":	0.600000023841858,
                            			"ae_ignore_fraction":	0.20000000298023224,
                            			"ae_slope":	0.05000000074505806,
                            			"ae_exposure_period":	1,
                            			"ae_gain_period":	1
                            		}, {
                            			"type":	"imx412",
                            			"name":	"hires2",
                            			"enabled":	true,
                            			"camera_id":	2,
                            			"fps":	3,
                            			"en_rotate":	true,
                            			"en_preview":	true,
                            			"preview_width":	4056,
                            			"preview_height":	3040,
                            			"en_raw_preview":	false,
                            			"en_small_video":	false,
                            			"small_video_width":	1024,
                            			"small_video_height":	768,
                            			"small_venc_mode":	"h265",
                            			"small_venc_br_ctrl":	"cqp",
                            			"small_venc_Qfixed":	30,
                            			"small_venc_Qmin":	15,
                            			"small_venc_Qmax":	40,
                            			"small_venc_nPframes":	9,
                            			"small_venc_mbps":	2,
                            			"en_large_video":	false,
                            			"large_video_width":	2048,
                            			"large_video_height":	1536,
                            			"large_venc_mode":	"h265",
                            			"large_venc_br_ctrl":	"cqp",
                            			"large_venc_Qfixed":	38,
                            			"large_venc_Qmin":	15,
                            			"large_venc_Qmax":	50,
                            			"large_venc_nPframes":	29,
                            			"large_venc_mbps":	30,
                            			"en_snapshot":	false,
                            			"en_snapshot_width":	4056,
                            			"en_snapshot_height":	3040,
                            		     "ae_mode": "lme_msv",
                                        "ae_desired_msv": 65,
                                        "exposure_min_us": 20,
                                        "exposure_max_us": 33000,
                                        "gain_min": 20,
                                        "gain_max": 250,
                                        "exposure_soft_min_us": 3000,
                                        "ae_filter_alpha": 0.700000023841858,
                                        "ae_ignore_fraction": 0.20000000298023224,
                                        "ae_slope": 0.05000000074505806,
                                        "ae_exposure_period": 1,
                                        "ae_gain_period": 0.5
                            		}, {
                            			"type":	"imx412",
                            			"name":	"hires",
                            			"enabled":	true,
                            			"camera_id":	3,
                            			"fps":	3,
                            			"en_preview":	true,
                            			"preview_width":	4056,
                            			"preview_height":	3040,
                            			"en_raw_preview":	false,
                            			"en_small_video":	false,
                            			"small_video_width":	1024,
                            			"small_video_height":	768,
                            			"small_venc_mode":	"h265",
                            			"small_venc_br_ctrl":	"cqp",
                            			"small_venc_Qfixed":	30,
                            			"small_venc_Qmin":	15,
                            			"small_venc_Qmax":	40,
                            			"small_venc_nPframes":	9,
                            			"small_venc_mbps":	2,
                            			"en_large_video":	false,
                            			"large_video_width":	4056,
                            			"large_video_height":	3040,
                            			"large_venc_mode":	"h265",
                            			"large_venc_br_ctrl":	"cqp",
                            			"large_venc_Qfixed":	38,
                            			"large_venc_Qmin":	15,
                            			"large_venc_Qmax":	50,
                            			"large_venc_nPframes":	29,
                            			"large_venc_mbps":	30,
                            			"en_snapshot":	false,
                            			"en_snapshot_width":	4056,
                            			"en_snapshot_height":	3040,
                            			"ae_mode": "lme_msv",
                                        "ae_desired_msv": 65,
                                        "exposure_min_us": 20,
                                        "exposure_max_us": 33000,
                                        "gain_min": 20,
                                        "gain_max": 250,
                                        "exposure_soft_min_us": 3000,
                                        "ae_filter_alpha": 0.700000023841858,
                                        "ae_ignore_fraction": 0.20000000298023224,
                                        "ae_slope": 0.05000000074505806,
                                        "ae_exposure_period": 1,
                                        "ae_gain_period": 0.5
                            		}, {
                            			"type":	"ov7251",
                            			"name":	"tracking",
                            			"enabled":	true,
                            			"camera_id":	4,
                            			"fps":	30,
                            			"en_rotate":	false,
                            			"en_preview":	true,
                            			"preview_width":	640,
                            			"preview_height":	480,
                            			"en_raw_preview":	true,
                            			"ae_mode":	"lme_msv",
                            			"ae_desired_msv":	60,
                            			"exposure_min_us":	20,
                            			"exposure_max_us":	33000,
                            			"gain_min":	54,
                            			"gain_max":	8000,
                            			"exposure_soft_min_us":	5000,
                            			"ae_filter_alpha":	0.600000023841858,
                            			"ae_ignore_fraction":	0.20000000298023224,
                            			"ae_slope":	0.05000000074505806,
                            			"ae_exposure_period":	1,
                            			"ae_gain_period":	1
                            		}]
                            }
                            

                            hope this helps

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