Raspberry pi camera module enable "Raspistill"

Question

I want to use Raspberry PI's system command raspistillto take images in a c program, the program line is: system("raspistill -q 5 -vf -hf -o pic1.jpg -t 1 -th 0:0:0");

However, when I run the program sometimes error occurs, it shows that:

mmal_vc_component_enable- failed to enable component- ENOSPC mmal- camera component couldn't be enabled mmal- main- Failed to create camera component mmal- Failed to run camera app. Please check for firmware updatesckquote

And I have tried to add some parameters into /boot/config.txt:

gpu_mem=128 start_file=start_x.elf fixup_file=fixup_x.dat
disable_camera_led=1 cam_lwm=16 cam_hwm=32 cam_offline_start=16

However the error still always occurs sometimes (sometimes ok). I really want to solve this problem in order to continue my project. What should I do?

Solution 1

Stop any other processes using the camera (e.g.raspimjpeg)

$ ps -aux

// locate the process pid and kill it using the pid number (e.g. 764)

$ sudo kill 764

Note: You might have more than one process running so be sure to kill them all before trying again.

Solution 2

In my case I ran the following on a Pi 4 model B

vcgencmd get_camera
supported=1 detected=1

raspistill -w 3280 -h 2464 -n -t 2000 -o test.png
mmal: mmal_vc_component_enable: failed to enable component: ENOSPC
mmal: camera component couldn't be enabled
mmal: main: Failed to create camera component
mmal: Failed to run camera app. Please check for firmware updates

make: *** [makefile:27: raspistill] Error 70

It turned out to be the camera. The standard camera works!

Solution 3

This error will appear when the RPi Camera is "On" and is streaming. The component: ENOSPC cannot start unless the RPi Camera is not streaming or being used by another process. One solution is to try to stop the Camera stream before the Snapshot and then restart it after.

Comments

[tommed]

Same thing here, I am upping the memory allocated to the GPU to 512 but no difference :-/

[tommed]

I've noticed that you sometimes get this when setting the quality too low as well as too high. Have you tried increasing the quality?