Questions tagged [video]
Questions related to playing or editing video on the Raspberry Pi, both in SD and HD.
0
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21 views
Raspberry pi 3B+ RCA noisy video output
I am working on a project in which I would like to connect my RPI to an old CRT TV, For this, I am using a 3.5mm to RCA composite cable. But when I connect my raspberry pi and TV the output on so ...
1
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0answers
8 views
Live video streaming over bluetooth
I'm currently making a little project, and i need my Raspberry Pi 3b to transmit an USB webcam stream trough Bluetooth to display to an Android smartphone or any other portable device (like another ...
0
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0answers
9 views
Record video and audio from framebuffer
I'm trying to record in a video the actual content of the framebuffer along the audio currently outputted (alsa). For the video I'm using the following command:
ffmpeg -y -f fbdev -i /dev/fb0 -vsync -...
0
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2answers
32 views
Weird resolution
So, im new to the raspberry pi. When i first started it and installed the raspian os with noobs, it had fine resolution. But then i rebooted, and for some reason the noobs menu was in alright ...
0
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0answers
23 views
Video on local page lags but on YouTube it plays smooth
3B Plus model and latest Raspbian version.
I’m developing an ExpressJs app where I could display photos and videos as a slideshow in a web browser. Everything works fine except when it comes to ...
0
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0answers
17 views
Xorg doesn't properly work on RPI3
I'm trying to configure Xorg on my Raspberry Pi 3 (Model B). I've just installed Debian GNU/Linux (unstable/arm64) and it runs. Then, I've decided to install Xorg, LightDM, and i3 but I'm having ...
-1
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0answers
34 views
Pi Camera: continuous video overwriting older frames when microSD is full?
I'd like to record a continuous video and overwriting older frames with newer when the microSD is full.
e.g.
I record frames as long as there is available space:
1st frame
2nd frame
3rd frame
... ...
0
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1answer
62 views
Elecrow 7" HDMI screen reports No Signal
I'm attempting to get an Elecrow 7" HDMI LCD touchscreen (Amazon UK) to work with my Raspberry Pi 3 B+. Upon following the instructions enclosed with the screen, all I see is "No Signal".
The ...
0
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1answer
28 views
Need advice on how to record video and audio using my RasPi
As an experiment and learning project, I want to create an action cam using my RasPi Zero W, the latest version of the RasPi camera module and an i2S microphone.
I have found some RasPi action cam ...
-1
votes
1answer
28 views
How to log camera video to Rasberry Pi?
I have a Raspberry Pi and a webcam, what I want is to connect the webcam to the Pi, and log the camera content to an SD card. How to do it? I have searched it on google, it seems I need a video card ...
1
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1answer
118 views
Raspberry Pi Zero hardware based video encoding
I'm trying to build a dashcam with a Raspberry Pi Zero with an official Raspberry Pi Camera (version 2) in an official Raspberry Pi Zero case mounted with a old GPS device cradle. I installed motion ...
1
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0answers
62 views
DIY conference room with Raspberry Pi
What is the best DIY conference room setup?
Are there any free solutions that allow me to use a Raspberry Pi with a tv, webcam etc most importantly with its on dial in screen operable via remote (...
0
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0answers
34 views
Drive a 73 inch monitor
Can the HDMI output of Pi3B+ drive a 73 inch DLP TV (that accepts HDMI input) as a monitor? I feel silly asking, but if anyone will know it's this group
1
vote
1answer
37 views
Undefined Reference to `vc_gencmd(char *, int, char const *, …)`
I wanted to control the raspberry pi camera with MMAL and I used the RaspiCamControl.c file to learn how to control the camera component then
I wrote a class about it. I've created and added all the ...
1
vote
2answers
64 views
vcgencmd in buildroot
I am using buildroot to create a custom os for my raspberry pi. I would like to use the vcgencmd command, but I am unable to find the package that includes these tools. I have tried searching the ...
0
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0answers
120 views
Mame on Raspbian gives error: “Could not initialize SDL No available video device”
I am building a MAME cabinet. I got some ROMS, tested everything on my laptop, and now I am trying to put it on a raspberry pi 3 to use in the cabinet. I thought it would be nice to minimize memory ...
0
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0answers
120 views
Connect RunCam to raspberry pi
Just recently I got RunCam micro swift 3 (https://www.runcam.com/download/MicroSwift3-Manual.pdf) for computer vision project. However, I am struggling to understand how can I connect it to Raspberry ...
0
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0answers
19 views
How to disable the Desktop view in Raspberry Pi
I am making a project which will keep on playing video ads onto the TV screen.
So, a video is being played and after 50% of the play, the python script checks if there's a new video to be played or ...
1
vote
1answer
520 views
RaspberryPi Camera - bcm2835-v4l2 kernel module source
I want to make some optimizations on camera kernel module so it can work better with a camera multiplexer module. There are 4 camera multiplexed by GPIO pins and some hardware.
I have cloned the v4l-...
0
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0answers
15 views
Mplayer online video buffer
I am using mplayer in my application to play online video. But if the internet connection is slow it stops in the middle. I was wondering can we play an online video using mplayer once it has buffered ...
2
votes
1answer
357 views
USB cam with raspberry pi 3: achieving maximum FPS
I am using a ub camera with raspberry pi. When I run v4l2-ctl --list-formats-xext, I get the max FPS is 15 with resolution of 2592x1944.
However when I run
ffmpeg -t 5 -f v4l2 -framerate 15 -...
0
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0answers
40 views
Is full FOV in rpi-cam V2 possible at 640x480 @60fps?
I have a video recording system developed using RPi 2 Model B and Cam v1 and plan upgrading to RPi 3 Model B and Cam v2. My application is such that I need higher frame-rates (60fps +) at Full FoV, ...
1
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1answer
105 views
Use Raspberry Pi GPIO to sync multiple video players. Possible?
Is it possible to use GPIO to sync multiple RasPi video players?
As shown in the picture below, I need to sync 16 RasPi video players. The master RasPi will trigger the video players (start, stop, ...
0
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0answers
16 views
Mplayer unable to play online video
I am trying to play a video hosted on the cloud from the URL using
mplayer https://someurl.com/video.mp4
But it throws an error
No stream found to handle URL https://someurl.com/video.mp4
What is ...
0
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0answers
44 views
Any way to keep mplayer window open
I am making a project in which my device is receiving a video URL, which plays the video using Mplayer. Once the video is played completely, Mplayer window closes. Is there any way to keep the window ...
0
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1answer
88 views
RPi Zero W - /dev/video0
So I have RPi Zero w with raspiban Jessie installed, with a Flex cable connected camera.
when I run raspistill I am able to see an image, however when trying to get to ls /dev/video0, it is not ...
1
vote
1answer
101 views
Should playing uncompressed RGB video files consume strictly less resources than playing encoded files?
I don't know much about video, but to play an h264 encoded file into a screen, don't you have to decode it to something like RGB first? I would expect playing a video that is in RGB format to skip the ...
0
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1answer
65 views
Flask server blog question
I am about to embark on my first experience with Rasb Pi and I want to utilize the code from this blog on how to stream motion JPEG thru a Python Flask server, Flask Video Streaming Revisited. The ...
1
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0answers
69 views
How can I broadcast OSC messages to multiple RasPi's on my network?
I am trying to figure out how to broadcast OSC messages to multiple RasPi's on my network.
I have 14 RasPi's, each running a video player that can be controlled with OSC. Each RasPi and connected to ...
0
votes
1answer
61 views
RasPi Zero W | Random Screen Flashes
MY PROBLEM:
My RasPi Zero W is causing random screen flashes.
SOME BACKGROUND:
I have three RasPi Zero W's running Jessie Lite, that I use for displaying and syncing SD video on multiple Dell ...
0
votes
2answers
932 views
Installing MPV with FFmpeg + MMAL: Could not create EGL surface!
I would like to build mpv from source for the raspberry pi. This is turning out to be quite difficult.
Error
pi@raspberrypi:~ $ ./mpv-build/mpv/build/mpv --hwdec=mmal --vo=rpi --log-file=~/mpv.log ...
2
votes
1answer
246 views
MPV with MMAL does not open application window
I've built mpv on the raspberry pi 3b+ (stretch-2018-06-27) using the following procedure from:
No OpenGL hardware rendering using
mpv
Quick & Easy: Hardware Accelerated MPV on Raspberry Pi 1/2/3 ...
0
votes
1answer
176 views
mpv error - could not get dispmanx
I've tried to install mpv for raspberry pi using mpv-build (with maal, 256 graphics mem) because I would like to modify the code.
it seemed like it was finally a success until I tried to run ...
0
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0answers
40 views
Sync 5 Raspberry Pi3 B+
Hi I'm new to programming and Raspberry Pi. What I am looking for is what platform I need to play in sync a unique video-loop for each RPi (off a USB). I have installed Raspian. Each is connected to ...
1
vote
1answer
53 views
Stream video hosted on a server onto a display
I am new to Raspberry Pi. I am working on a project in which a video which is hosted on a server needs to be displayed on a LED screen via a Raspberry Pi. The Pi will receive the video from the server ...
0
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0answers
68 views
Play Video and Audio via python script
I working on a project that requires to play video and audio track.
This is my setup:
Raspberry Pi
Rabian Lite
HDMI monitor
Speaker
On my system runs a python script that reveices MQTT message ...
0
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0answers
547 views
Video Chat App for Raspberry Pi?
I am searching for an app through which I can send my voice and video feed to another user on laptop using picam and mic module and recieve voice from him.
I am gonna use Raspberry Zero W with picam. ...
2
votes
2answers
135 views
128GB in Rpi3b+?
I’m thinking about getting a Samsung 128GB microsd as they’re cheap in Amazon and I assume not fake/shanzai.
But can the Rpi3b+ use this?
Also it is speed 10 and U3 rated because there’s no longer ...
3
votes
2answers
256 views
2560x1080 how many Hz?
Periodically I’m tempted by the ultra wide monitors on the market.
If I buy one, it’ll be the 29” LG but my question is can the new pi 3b+ do 60 Hz at 2560x1080?
0
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0answers
285 views
How to play .avi video?
I use this command to record a video:
ffmpeg -f video4linux2 -r 25 -s 640x480 -i /dev/video0 out.avi
Now. I have out.avi in my /home/pi directory.
I then used the command to play the video:
...
1
vote
0answers
110 views
Displaying only video/image while python program running on background
I have a Raspberry Pi 3B with a Python3 code running 24/7.
Right now, I'm running Raspbian Stretch desktop on console mode with no I/O. I only connect a screen via HDMI and an USB keyboard for ...
1
vote
0answers
515 views
3B+ Raspbian video playback slow
Just set up a brand new little system but when I try to play back videos they don't quite play at the right speed. It wouldn't be noticeable except that it makes the audio just a little flat- sounds ...
0
votes
0answers
27 views
How do I start a rollei 5S wifi and a Gopro Hero 4 at the same time using a rpi for them to be genlocked?
Rollei 5S WIFI: https://www.rollei.de/blog/wlan-einrichten-rollei-5s-wifi/
GoPro Hero 4: https://gopro.com/update/hero4
Both accept wifi connections and both have remote controls that don't use wifi.
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0answers
22 views
Edit pixels from raspicam and output using renderer
The docs for the raspicam library are nearly perfect: clear, tons of examples, and thorough, especially given that they cover a really hard topic. But I'd like to capture live video frames, process ...
4
votes
1answer
105 views
Does gpu memory affect video processing speeds using openCV or image array manipulations?
I am using my pi for video processing. The data transformations include image array manipulations and object detection.
It does not include any video display. Essentially, the pi takes in a video ...
0
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0answers
147 views
Raspberry Pi Intercom or 2 way radio on Node-red
I am thinking of a few projects where this practicality would come in handy to turn a raspberry pi, or similar hardware into a 2 way radio.
One is a baby monitor type, where I can stream in mic audio ...
0
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0answers
40 views
Pre-event recording with picamera
This is my first time using the picamera. My goal is to make the camera record a certain ammount of frames before and after an event I will signal to it. So I have two questions:
How can I ...
0
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0answers
23 views
Input and capture a RS170 signal on a Rasberry Pi
I'm a bit of a novice but have a rather unique and specific problem.
Quick summary: I have a device that I would really like to capture the video off of. This device has a weird 9 pin video out port ...
0
votes
1answer
169 views
Force 1080i video at 59.94fps
I'm trying to set up a Raspberry pi to output video to an ancient TV transmitter which requires HD interlaced video at 59.94fps.
The Pi HDMI output is connected to a BlackMagic micro HDMI to SDI ...
0
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0answers
26 views
Render video from external source
I have setup two Raspberry Pis to get video streaming working with this code.
I use Dataplicity to have one RPi with a Flask webserver accessible from outside my house.
I have another RPi which has a ...
