Questions tagged [video]

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

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14 views

Is Raspberry PI 4 capable of playing two HD videos simultaneously?

RPi 4 can drive two displays with the two HDMI ports. Will it be able to simultaneously decode and play two different HD Quality videos - one on each display?
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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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1answer
444 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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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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6answers
15k views

HTML5 Video options

My web-based application utilises HTML5 for various dynamic elements (img, video, etc). I'm hoping to be able to use RPi's for system deployment, but I can't seem to find a suitable mix of browser/...
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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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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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1answer
621 views

Problems using bcm2835_v4l2 module w/ ffmpeg

I've run into some problems using the native bcm2835_v4l2 module on my Raspberry Pi Zero W (running Raspbian Stretch). The module is loaded and the associated video device is visible: $ v4l2-ctl --...
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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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0answers
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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0answers
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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2answers
45 views

Flashing Raspberry Pi CM V1.1 on a proprietary board

So I don't know much about Linux or the Raspberry Pi (Especially the compute module), But I've managed to obtain one that is using a custom/proprietary board alongside it. All the thing is currently ...
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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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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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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
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
49 views

Micro pc to control scenography, shutdown

In a quite complicated theater-like scene I need to project a movie on a monitor. The movie must be played when a sensor is engaged (no, I can't use an IR remote control). I was thinking about using ...
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1answer
276 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
248 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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1answer
435 views

Show multiple HD streams at once on raspberry pi?

We have a situation where we have a large number of incoming HD video streams which we would like to monitor in a way similar to this wall of monitors each showing 16 channels. This can probably be ...
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1answer
415 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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1answer
110 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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0answers
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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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
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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1answer
340 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 ...
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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
223 views

Using the composite jack to connect to a TV

How do I connect my Pi to a TV, using the composite jack instead of the HDMI socket? So far, I have tried using a composite-to-cinch cable, adding a cinch-to-SCART cable to the composite-to-cinch ...
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1answer
139 views

Start pi_video_looper from Python

I am new to Python so please be kind ;) I am trying to start the Adafruit Video Looper from a python script. Basically I have this code: from pi_video_looper.Adafruit_Video_Looper.video_looper ...
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1answer
116 views

Can “normal” app change resolution/refresh on the fly

I want to write a Pi app to test the ability of American HDTVs to display 720p50, 1080i50, 1080p50, and other assorted modes, like the 59.94 & 60fps variants of 720p60 and 1080p60 via HDMI. Few/no ...
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1answer
246 views

Text overlay over video stream when saving to file system

I'am using raspberry pi zero as controller which communicate over UART with external board with five sensors. What I need is a way to save video stream from raspicam to filesystem with embedded text (...
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1answer
220 views

AVFrame YUV420P to dispmanx VC_IMAGE_YUV420

I'm using ffmpeg for decoding a video with h264_mmal encoder. And all test videos are in YUV420P color encoding. Also I'm using dispmanx for drawing frames from a video. Only problem which I have is ...
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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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1answer
278 views

Play a video on startup then run specific application

I'm currently in the process of building a Magic Mirror for my partners 21st birthday, powered by a Pi. Currently, the Pi boots the Magic Mirror application upon start up. However, I'd also like to ...
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1answer
676 views

Live streaming with Raspberry Pi Camera

How do I stream a live video on a display screen or monitor really quickly? Any ideas are welcome.
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1answer
368 views

configure pi as a usb gadget, add vivid driver to the image, build and run code

Need to configure RPi as a USB UVC (video camera gadget). As far as I understand here is how it can be done. Then I need to test this application. Instructions on how to do it located here. ...
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0answers
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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2answers
453 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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1answer
419 views

How to setup video/graphics correctly on the Raspberry Pi 3?

My question is similar to this. However I need to clarify some details. I can't find anything about this statement "I also read that the vc4 driver does not use the gpu_mem parameter, confusing ...
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1answer
3k views

Raspberry Pi Live Streaming using Picam [Audio+Video]

I am currently using picam software to stream audio and video from Raspberry Pi using a NOIR camera and a microphone. One way audio and video is working fine. I need a two way audio connection but ...
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2answers
1k views

UV4L can not be started : <alert> [core] No device detected

I was using uv4l package for streaming.suddenly it stopped working when I want run this command for example : "sudo uv4l -nopreview —auto-video_nr —driver raspicam —encoding mjpeg —width 640 —height ...
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1answer
562 views

Video decoding RPi 2 vs RPi 3

I currently have a RPi 2 which has KODI installed and I use purely as a media center. I've noticed a few video's seem to stutter on it though; some 720p content stutters, and most 1080p content ...
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2answers
9k views

Play multiple different .mp4 videos without gaps

I build a video distribution system, where there is one server with a "playlist" of URLs, and multiple Raspberry PIs working as clients, fetching constantly playlist from the server and putting their ...
2
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1answer
577 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
268 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
2k views

Problem recording video with audio from usb soundcard using avconv

What I'm trying to accomplish in this program is that when video and sound is captured, the output file is .mp4 extension (or some other, like .ogv), with video and sound. I know how to capture video ...
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3answers
6k views

Photo and video slideshow digital signage

I am building a digital signage solution using a Raspberry Pi and would I like to play photo and video randomly, in an endless loop, whilst in full screen mode. Is there a ready-made open-source ...
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1answer
654 views

Download video and play on repeat

I have got a Raspberry Pi 3 connected to a monitor and connected to the WiFi. Now I have a video hosted on my server, and I want the Raspberry Pi to automatically download the video (if not downloaded ...
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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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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 ...