Questions tagged [video]

Questions related to playing or editing video on the Raspberry Pi, both in SD and HD.

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0answers
123 views

Best way to sync OMXPlayer video with audio stream?

I am having issues getting OMXPlayer video played on a TV via HDMI to sync with audio streamed over the network. My thought was delay the video output by ~500 ms then use pavucontrol to fine tune the ...
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1answer
222 views

How can I play a .mkv video with subtitles on the raspberry pi 3b?

How can I play a .mkv video with subtitles on the raspberry pi 3b? using osmc or anything else. Also Can I add or use external fonts? I am new to this section so excuse me.
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3answers
109 views

Video output filter

I would like to be imbed a filter in the Pi’s HDMI output such that pixels are slightly rearranged. Specifically, I’m after a retro pincushion effect ([ ] -> ( )). I need it to be active even in the ...
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1answer
1k views

A working HDMI switch for Raspberry PI 3?

I have a Pi 3 and regular desktop computer with a single (DVI input) monitor. The desktop and Pi both have HDMI out for video. I use an HDMI > DVI cable to connect whichever device I want to use to ...
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1answer
479 views

Are there any decent video editors for the RasPi 3?

I've been making YT videos about the Raspberry Pi but have had no way to edit them on the pi. Are there any nice Raspberry Pi-compatible video editing apps?
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1answer
448 views

Software adjustment of gamma/brightness settings in Raspbian

I am trying to find a way to control the apparent brightness of my external screen on Raspbian Stretch. In my situation, there is no need to actually control the backlight, as I only want to change ...
2
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1answer
38 views

Limit to number of videos that can be selected via buttons in kiosk?

I'll try to make this brief initially, in hopes that someone knows off the bat that there is some limit in omxplayer that I'm hitting. If not, I can post the code and more details about what I've ...
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0answers
24 views

super high fps for low resulution

I'm looking for a solution like this: if i want to sample a camera (or some bitmap stream) in a frame rate of 1000 fps, Is it possible to do so with rasberry pi? what will be the resulution? (i need ...
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0answers
47 views

Omxplayer how to stream video to external react frontend

So the videos are on the pi, we have a react frontend on my local machine connecting to the flask backend which is on the pi. I need a way to get the video from the pi displaying on the website ...
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0answers
311 views

FFMPEG video rendering on raspberry pi 3b+

I'm currently planning on making a little GIF making machine. After a button press, the rPi records a 5 seconde video from a 720p USB camera. Then, the rPi should chroma key the video and then convert ...
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2answers
82 views

First frames of video from Rasp Pi camera have a high exposure

When I record video using the v1 of the Rasp Pi Noir camera the first few frames/second have a very high exposure (very bright) and then it settles down to a reasonable exposure setting. Because the ...
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0answers
78 views

How to stream audio/video from Raspberry Pi to Windows PC

I have a Raspberry Pi 3b that I am using as a radio server with a rtl-sdr (Realtec Software Defined Radio). I would like to have any audio coming from the Raspberry Pi to be streamed to my windows 10 ...
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0answers
64 views

Video looper not working

I'm currently on site installing an art installation and am having trouble with my video looper failing. I used the image from Tim Schwartz and it appeared to be fine at my studio, but now it is ...
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0answers
202 views

How to play specific video files through python script based on passed integer

I have an oddly specific problem, though aren't they all? I have a RPi 3B+ on stretch that I'm trying to boot into a python script that I've written that receives an integer and passes it to two ...
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1answer
868 views

Automatic shutdown of Pi based on timer

I'm looking to have my pi shutdown automatically based on a time interval (rather than the time of day). This is for an art installation and the reason I am turning off the pi is because it will ...
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0answers
20 views

No video on SV-3 instrument viewer

When I set the Pi (Zero) up with the required 640x480 60Hz mode in config.txt the SV-3 reports no signal. But if I plug a VGA Acer monitor in to the Pi and then unplug it, plugging in the SV-3 works! ...
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1answer
498 views

Raspberry Pi B, wont play mp4 videos. Latest Rasbpian Stretch

I'm trying to play mp4 video on vlc player, but it only shows progress and no video is playing. Also, tried with omxplayer, it just says, Have a nice day ;) and nothing happens. I was looking for the ...
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1answer
481 views

H.265 playback. CPU usage: 385%

Brand new Raspberry Pi model B+ with heavy cooling system. Trying to play a 1920x1080p h.265 video. VLC/ffplay shows 1 frame/minute, impossible to watch. CPU usage is reported 385.5% by top. Is it ...
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1answer
618 views

How do I transfer VHS to digital video?

I've got every generation of Raspberry PI around the house and a VCR with composite output. What's the simplest setup to digitize old tapes (including buying small equipment)? CLI preferred, but I'...
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0answers
123 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 ...
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0answers
361 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 ...
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2answers
177 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 ...
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0answers
92 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 ...
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1answer
804 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 ...
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1answer
448 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 ...
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1answer
37 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 ...
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1answer
607 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 ...
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0answers
468 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 (...
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1answer
130 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 ...
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2answers
308 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 ...
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0answers
568 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 ...
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1answer
3k 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-...
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1answer
672 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 -...
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1answer
330 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, ...
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1answer
757 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 ...
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1answer
210 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 ...
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1answer
112 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 ...
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0answers
266 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 ...
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1answer
159 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 ...
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2answers
3k 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 ...
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1answer
702 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 ...
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1answer
418 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 ...
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0answers
67 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 ...
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1answer
60 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 ...
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0answers
2k 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. ...
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2answers
197 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 ...
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2answers
594 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?
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0answers
330 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 ...
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0answers
964 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 ...
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1answer
243 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 ...