Go to advanced search

by ds72
Tue Oct 30, 2018 8:37 pm
Forum: Camera board
Topic: Hardware camera sync pulses
Replies: 53
Views: 12036

Re: Hardware camera sync pulses

Hi There, I'm trying to use the LED flash sync feature in continuous grab mode on a Pi3B with a v2 camera. I followed the instructions from above and was able to get the flash pulse(s) for single grabs but in continuous grab mode (with exposure_mode off) I get no pulses. Should this possible? --- E...
by ds72
Wed Sep 19, 2018 11:25 pm
Forum: Camera board
Topic: Frames dropped the longer the recording with raspivid
Replies: 4
Views: 1180

Re: Frames dropped the longer the recording with raspivid

Where do you try to save the video? You can try to save the video to /dev/shm, which is a tmpfs file-system, which lives in the RAM (you need to copy everything afterwards to a save location, as the data there does not survive a reboot). Or you can even try to save the video to "/dev/null", which b...
by ds72
Fri Sep 14, 2018 10:37 pm
Forum: Camera board
Topic: Frames dropped the longer the recording with raspivid
Replies: 4
Views: 1180

Frames dropped the longer the recording with raspivid

I'm using the v2 camera module with Raspberry Pi 3 Model B+ and am using raspivid to capture to some high fps, quick shutter speed video. For some reason, there seems to be a lot of frames lost as I try to record longer videos: 120 fps, 640x480, sensor mode 7, shutter speed 1000 microsec for a 20 se...

Go to advanced search