Stack Overflow
Stack Overflow

Questions tagged [uv4l]

UV4L is a modular collection of Video4Linux compliant, cross-platform, user space drivers for real or virtual video input devices and other pluggable back-ends or front-ends. As stated in https://www.linux-projects.org/documentation/uv4l-core/

28 questions
0
votes
2 answers

Android webrtc black/green screen with UV4L stream

I am using UV4L with raspberry PI for webrtc to android device. I am using a signalling proxy in between. When webrtc call is made, audio is working but video is almost black screen with some green blocks. When i use it with web client using same…
Akshit
  • 140
  • 3
  • 13
0
votes
1 answer

Sending data over unix domain socket for UV4L data-channel

I have a question related to sending binary data from a Raspberry Pi to web client over WebRTC data channel. I have actually found a solution, but I believe it may be inefficient, and I'm not sure exactly why it works. Basically, I have a UV4L…
Roni Peled
  • 38
  • 4
0
votes
1 answer

Can you connect to WebRTC server to get the video stream from python?

I'm trying to get the video feed from usb camera attached to my Raspberry. Since it's not the dedicated one I can't just use raspivid or the raspicam that comes with uv4l to make changes to config that actually gives some effect at contrary to…
Bonana
  • 65
  • 1
  • 10
0
votes
1 answer

How to set framerate on uv4l with external usb camera

I'm using external usb camera plugged to my raspberry 3b+. Since I'm not using raspicam, but the uvc driver I can't just set the framerate in config file like when you are using raspicam. Is there a way to set it somwhere?
Bonana
  • 65
  • 1
  • 10
0
votes
1 answer

Why is the UV4L WebRTC signalling websocket timing out?

I'm trying to send a webRTC stream to an Android device natively (without a webview). I've implemented my own custom signalling class in the app, and I'm trying to test it. The issue is, when I start up UV4L and try to connect to the signaling…
Bassinator
  • 1,682
  • 3
  • 23
  • 50
0
votes
2 answers

problems with uv4l-server URLs

I have a uv4l server set up on my raspi which is serving a no-name webcam. It is using the uvc driver. The server built-in web page mostly works. I can stream webrtc from the pi to my laptop browser, however the mjpeg button brings up a…
mark-hahn
  • 411
  • 4
  • 15
0
votes
1 answer

Posting Variable Values from Javascript and Reading them with Python (UV4L, WebRTC, Raspberrypi3)

I am working on a project where we plan on controlling a rover through a web-based application. I am using UV4L and its modules on the Raspberry Pi. I have the streaming side set up well, but now I am trying to send data back to the Pi. I have taken…
KiwiJess
  • 1
  • 1
0
votes
1 answer

How to write from a Raspberry Pi camera to a WebSocket?

I am working on a web app using Django on the server side and I'd like to stream from the camera to the browser. I already tried methods like HLS with the ffmpeg segment muxer, but with such methods I don't have the full control over the stream. So…
dav20011
  • 71
  • 3
  • 14
0
votes
1 answer

UV4L (RPi) - Custom web page to have same functionality as "Two-way Audio/Video"

I need to create a custom web page on a Raspberry Pi to have the same functionality as the first option of the UV4L home page "http://{RPi IP Address}:8080/stream/webrtc" How can I make a call (Video and Audio) to RPI from the web page using…
tgm17
  • 11
  • 6
0
votes
1 answer

Raspberry PI 3 - UV4L w/ raspicam driver KO after upgrading

I'm developping an embedded car CCTV using UV4L server and the Raspicam driver. running the command uv4l --driver raspicam --width=320 --height=240 --framerate=20 --rotation=0 --server-option --port=8090 --auto-video_nr --encoding=h264 was…
Emmanuel BRUNET
  • 1,286
  • 3
  • 19
  • 46
0
votes
0 answers

Desktop Streaming(Raspberry pi Live Desktop & Audio Streaming to the browser with WebRTC)

I wanted to load the xscreen driver. so I opened a terminal and typed the following commands: $uv4l --driver xscreen --auto-video_nr --display :0 --framerate 10 --server-option '--port=5678' This is the normal result: raspberrypi ~ $ uv4l --driver…
Da Eun Cho
  • 11
  • 1
0
votes
1 answer

How do I record video from a remote webrtc camera?

I have a raspberry pi which has webrtc via uv4l2. It is awesome! I want to record the video from the camera on a server. It's your basic surveillance camera setup... central linux server with lots of storage space, remote IP cameras, etc. I've read…
Bang Tango
  • 1
  • 2
-2
votes
2 answers

liverserver.so cannot open. uv4l mjpegstream

I'm having issues making a virtual camera with uv4l mjpegstream. This mjpegstream is not a camera but rather a graphic that I created. pi@iot:~ $uv4l --driver mjpegstream --auto-video_nr --verbosity=8 -f --uri "http://10.1.7.191/api/gfx/stream.jpg"…
halo test
  • 31
  • 1
  • 5
1
2