11
votes
RasPi Camera Board and Motion
to load the model after each reboot, use this setting
sudo nano /etc/modules
enter bcm2835-v4l2
exist and save the fle
sudo reboot
- 111
6
votes
How to add raspberry pi / raspbian distro specific build-deps to a Debian package
You're correct that you can't add a build-dependency on libraspberrypi-dev to the Debian package, since there is no such package in Debian. You can't even limit the build-dependency to an architecture ...
- 161
3
votes
Problems using bcm2835_v4l2 module w/ ffmpeg
This appears to be code for "you haven't assigned enough memory to the GPU".
Using the raspivid command in this situation resulted in:
mmal: mmal_vc_component_enable: failed to enable component: ...
- 656
3
votes
RPI 4 - ffmpeg - how to get hardware h.264 decoding to work?
As of July 2021 you can get half way there. There is a V4L2 M2M (memory to memory) interface that is used to access hardware encoders and decoders, and the Pi seems to have pretty good support for ...
- 1,794
2
votes
PiCamera fails after a while: Out of resources other than Memory
Might be a bit late on this, but I had a similar problem.
I think your problem lies with you instantiating picamera.PiCamera() again.
i.e. inside your with statement you are instantiating a PiCamera() ...
- 21
1
vote
Accepted
How to directly render pi camera output to display using C++
Nevermind, got it working! I was missing the code to link up the preview component to the camera. Here's the missing code:
...
MMAL_CONNECTION_T *preview_connection; // Global variable
...
...
- 41
1
vote
Accepted
PiCamera 1.13 docs MMAL example problem
Well, it appears it is a timing issue. I modified the code to include a loop to capture an image and finish when the size of image.data is greater than zero. Obviously slower than the first version ...
- 21
1
vote
Monitoring hardware accelerated video decoding
I would approach this by checking the output of
lsof | grep /opt/vc
This will list all processes which access videocore libraries. This can be further narrowed down to a specific library you're ...
- 27.5k
1
vote
Installing mmal motion on RPi
Install motion from github and build it yourself. This is how to do it:
sudo mkdir motion
sudo cd motion
sudo apt-get install autoconf automake autopoint build-essential pkgconf libtool libzip-dev ...
- 11
1
vote
Camera errors when running Python script at boot from rc.local
OK, I fixed it. I hope this helps someone...
I had used ~/path/to/file.py as the directory to which I wanted to store the footage taken by my Python code.
I replaced this with absolute reference: /...
- 21
1
vote
Accepted
Undefined Reference to `vc_gencmd(char *, int, char const *, ...)`
Undefined reference errors have gone when include the vc_vchi_gencmd.h file with extern "C"... declaration;
extern "C"
{
#include "interface/vmcs_host/vc_vchi_gencmd.h"
}
1
vote
Problems using bcm2835_v4l2 module w/ ffmpeg
As an Update, it looks like this needs 256MB now (got the hint from github)
- 11
1
vote
RPI-3: Performance issue on FFmpeg with mmal support
After working some frustrating days on same problem, I came to a conclusion:
It seems that ffmpeg-versions > 3.1.x are not able to use accelerated (mmal) decoding anymore!
I compiled on rpi3 with ...
- 121
1
vote
Pi camera not working
Burnt camera module. Happened to me once, I had killed the cam although I was super careful.I ran all troubleshooting possible. Apparently, it got fried when I pulled it out while the pi was still on. ...
- 41
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