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hd-zero / hdzero-goggle

MIT License
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DVR video random frequent micro stutter / pausing / freezing / hiccups #402

Open BeshEater opened 3 months ago

BeshEater commented 3 months ago

Hi,

I've got a problem with the video on DVR. I always get frequent micro stutters/pausing. So like every 5 -10 seconds, I get a micro freeze with distortion, and then all goes normal till the next such event. I've tried 2 SD Cards (Samsung EVO plus 128 GB U3 V30, and Samsung PRO plus 128 GB U3 V30), I also tried to reduce the partition size to 32 GB, formatted through googles, formatted through Rufus, but nothing helps, it's always the same problem. I also tested the SD Cards' speed, which consistently hit ~80 MB/s write speed via SD Card Reader, also one of them worked without any issue on my action camera, so I don't think they are both faulty somehow.

This problem affects only DVR. Direct video link through googles have no such issues when I fly in real-time

Link to sample .ts file with the problem: https://drive.google.com/file/d/1IJe1yiEgCwmjqBt2HXc_sj6QMMYdb0aL/view?usp=sharing

Firmware version - Rev_01022024 on both HDZero googles and VTX

If you need something additional from my side, like logs, or something, please ask. Thank you in advance.

hiphurraa commented 3 months ago

I have been having the same issues. I have also tried different SD cards. The write/read speed should be ok. The stutters and freezes are very frequent.

SumolX commented 1 month ago

Please try the following Storage -> Repair SD and then report back.

BeshEater commented 1 month ago

@SumolX I'll try, but how could it actually help?

SumolX commented 1 month ago

I'm wondering if the partition is damaged. Running the repair could potentially resolve the issue.

BeshEater commented 1 month ago

So after a thorough check, it seems like I couldn't reproduce the original problem. Only that this time all DVRs (doesn't matter .ts or .mp4) when played on the googles are lagging nonstop like it's playing at 20 FPS. But when I play the same DVRs on the PC it looks normal, with no issue that I can see.

I've recorded video without the repaired SD card and with the repaired SD card but it seems there is no difference - https://drive.google.com/drive/folders/1N8_NXuXQGaDVVSrTosTAotVTnJ97Tz5M?usp=sharing

ligenxxxx commented 1 month ago

@BeshEater Please contact support@divimath.com for your aftersales, this does not look like a software issue.

ligenxxxx commented 1 month ago

@hiphurraa Please upload a video.