Questions tagged [video]

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

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7 views

Can I save and open multiple videos with OpenCV or any other module/package/method

So, I have been working on a project which requires me to open an animation/video if the user gives an input of a recognized string mentioned in my code. Basically if the word entered by the user is ...
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19 views

Video lags in VLC (Raspbian Buster) in Raspberry Pi 2

I installed a fresh image of Raspbian Buster in my Raspberry Pi 2. When I run the Big Buck Bunny video in VLC (both in full screen and window mode), the video lags.As far as I can remember, this did ...
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12 views

Has anyone used spidev library with python 3?

I am currently trying to interface a RPI 3B+ with a flash memory chip using SPI communication. do anyone have a good resource for using SPI communication with memory? What language should I use. I ...
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7 views

VLC with the 10.1 inch Seeed display will cut off videos in both windows and fullscreen mode

I'm currently running VLC on the latest version of raspbian, on a Raspberry Pi 3 model B+. I have a Seeed 10.1 inch IPS display connected to it via HDMI. To get the Seeed working correctly, I ...
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18 views

video flickering while streaming with uvc-gadget and g_webcam on raspberry pi 3b+

I am using raspberry pi zero w emulated as a webcam using uvc-gadget. It works plug and play on Nvidia-jetson-nano, or any other pc or laptop. But I see too many choppy frames when I use it with my ...
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23 views

Different recording results under same code and raspberry pi

I would like to record videos using this code: RecordIntervalTime = 30*60 # 30 min def camRecord(): with picamera.PiCamera() as camera: camera.resolution = (640, 480) camera.framerate = 24 ...
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1answer
26 views

How to trigger a capture using Picamera when a particular event occurs (for eg, whenever a specific object appears in front of the camera)

I want to trigger an image capture every time a tyre of a set of moving vehicles appears just in front of the picamera. Is there any way to get this done automatically every time a tyre appears in ...
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1answer
435 views

HEVC playback on RPi 4

Raspberry Pi 4 lists HEVC (H.265) video decoding up to 4K@60fps in the spec. I'd like to get some feedback from people who already had a chance to try it out. Is this hardware or software encoding? ...
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22 views

How can I set up video calling with out the video lagging 3-5s? (lag is local to the pi, before transmission to other clients)

I am doing video conferencing on my Raspberry Pi 3b+. I have tried both Google Hangouts, Google Meetings and Jitsu but the best (GM with resolution set to low at both ends) still have a 3-5s lag ...
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11 views

Adding Subtitle font in OSMC

Hi I have OSMC installed on berryboot. And I want to Add my own Subtitle fonts (.ttf). I tried to locate Font file from OSMC File Manager. But I only found a file named "addons" this was the path: ...
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20 views

Is it possible to gradually save data while recording. In order not to lose them in case of power failure?

I use the ffmpeg library to record audio and video. If a power failure occurs, the video file becomes 0 bytes. How can I record, so as not to lose data? my ffmpeg configuration ffmpeg \ -hide_banner ...
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45 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
87 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
97 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
264 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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48 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
155 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 ...
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1answer
29 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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20 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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28 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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222 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
55 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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59 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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49 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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73 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
179 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
16 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
91 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
275 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
246 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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77 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
184 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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42 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 -...
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2answers
115 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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80 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 ...
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66 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
446 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
178 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
34 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
414 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
242 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
90 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
183 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
399 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
2k 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
576 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
226 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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0answers
91 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 ...
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1answer
515 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
158 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 ...