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Questions tagged [video-capture]

Capturing videos from an external device, such as a camcorder.

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ffmpeg video faded, poor black depth

When I capture streaming video with ffmpeg I notice that the overall picture is a bit faded, and most notably areas in the frame that are true black are not fully black compared with the original. Is ...
Ken Mandelberg's user avatar
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429 views

VLC can't play audio from capture device

I bought HDMI to USB Video Capture and used it on Ubuntu when i try to play from capture device using VLC the video play with Error regarding audio , after checking the VLC log i found the following: ...
user727701's user avatar
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How best to overcome USB 3.x cable length limit?

My boss recently gifted me an Elgato HD60 S capture card that he was not using. I plan to use it to stream Nintendo Switch and/or Wii games to Twitch; I cite these two consoles because I would be ...
AeternaGM's user avatar
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975 views

Poor Quality from USB Video Device on VLC

I am having trouble using VLC to use my USB Capture Card as it is outputting porr quality. The quality is blurry or pixilated. I have looked around on many forums and videos to see if they can help ...
LittleDudeIOK's user avatar
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10k views

How can I view the video coming in from a capture card on Windows in full screen?

Question: Is there a "standard" way to view the raw feed coming from a capture device in windows? My goal is to be able to watch TV on my HTPC coming in through an hdmi capture card. ...
chiliNUT's user avatar
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What ffmpeg video 'format' to use for video-capture, on Linux platform, using HDMI-USB adapter

I bought a HDMI-to-USB adapter, to use to capture video TV content from my TV's set-top box. (Xfinity, if it matters. My two settop boxes are: "XiD X1"...I have both the Pace and the Cisco ...
David Cook's user avatar
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1 answer
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How does google chrome detect when other windows are maximized on top of it?

I've been recording google meet conference calls with OBS since they made this a premium feature on the site. So far it's all been going well except when I have to maximize a different window on top ...
Cybergon's user avatar
2 votes
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330 views

Strange video distortion capturing video from GV-USB2 on Linux using FFMPEG

I'm trying to capture video from a GV-USB2 (a popular composite/S-Video capture card) on a Raspberry Pi 4B running Raspbian Buster. I built and installed these V4L2 drivers for the GV-USB2, and when I ...
RK.'s user avatar
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Is it possible to capture GPU display output using a capture card?

For a period of time I was left without a monitor but I wanted to configure some BIOS settings on my PC. I only have a MacBook and a capture card. I thought I could simply connect my GPU's HDMI output ...
Skeleton Bow's user avatar
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707 views

Monitor USB device bandwidth usage

I bought a HDMI capture card that is plugged in with USB 3.0. (Elgato HD60S) I would like to know how much data is put through that USB connection. For example when transferring data to external hard ...
Phil's user avatar
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How to read VHS using rawvideo

I want to digitize old VHS tapes on Windows 10. ffplay -hide_banner -f dshow -rtbufsize 2048M -i video="Roxio Video Capture USB":audio="Ligne (Dazzle Video Capture USB Audio Device)&...
jean-luc's user avatar
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Audio feedback while recording video

I'm currently stuck on a problem, and Google doesn't seem to have anything for me. I need to have the audio picked up by a webcam output to a pair of speakers plugged in the computer. I know this isn'...
DTerJHan's user avatar
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832 views

Shouldn't I be able to plug a DVD/Blu-ray HDMI OUT into an HDMI capture card and then be able to decode the video with my computer's software?

I have a DeckLink Quad HDMI Recorder I am trying to get video out of a set of DVDs and Blu-rays and I don't know why this isn't working so far. I've installed the capture card, I've installed the ...
hourback's user avatar
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How can I record Zoom video and audio, not through Zoom?

Suppose I am conducting a Zoom session with audio and video; and that session is configured so that Zoom itself is not recording. But - I still want to record/capture the video and the audio of the ...
einpoklum's user avatar
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how to tell if ffmpeg is capturing all of the frames from a video stream

I am trying to use ffmpeg to record video from a capture card. I have previously recorded the video using a raw format (e.g. ffmpeg -i /dev/video0 -c:v copy out.mkv) and then converted the mkv to a ...
Trevor's user avatar
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ffmpeg rawvideo codec dropping frames

I have an EasyCap capture card and am trying to capture video from a Hi8 tape in a camcorder. The footage comes in at 25 FPS. When I try to capture using the -c:v rawvideo option, it captures at 25 ...
Trevor's user avatar
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how to create new file without restarting?

I am using string ffmpeg64 -f decklink -i "DeckLink Studio 2@9" -f mp4 -movflags frag_keyframe -c:v mpeg2video -pix_fmt yuv422p -b:v 10M -vf fps=30 -s 1280x720 -g 30 -g 12 -mbd rd -trellis 1 ...
Jinrui Teki's user avatar
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Win10 installed on external hard drive: can I use game capture?

I am running Windows 10 on my Mac Mini using Bootstrap, except I've installed Windows on an external hard drive rather than the mac itself. Originally I had Windows installed on my Mac, and could use ...
RS86's user avatar
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1 vote
1 answer
6k views

Is it required to use the HDMI output when using a capture card?

I currently own a Nintendo Switch, and I want to capture gameplay to my desktop so that I can either stream to a service such as Twitch, or simply just use a Zoom meeting with my friends/family and ...
myermian's user avatar
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Emulate a display in Ubuntu Linux

I am trying to create some explainer content on an Ubuntu 19.10 machine. I have an i5 4th gen processor and an AMD Radeon R7 graphics card in my hardware. But I use an old monitor whose resolution is ...
user148898's user avatar
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444 views

How to know the format of an USB camera?

i.e. the format that the camera uses to transfer the captured video to PC, like YUV444/YUV422/YUV420/RGB/MJPEG, etc. Windows or Linux. I'm on Windows 10, but can connect it to linux VM to detect the ...
jw_'s user avatar
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2 votes
3 answers
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Mouse pointer issue (cursor "skips" or "slips" and doesn't change cursor image)

I have a bizarre issue with my pointer. Most of the time, it works fine. Few times per week the following happens: Everything looks normal but when I hover over something that should trigger a cursor ...
DraxDomax's user avatar
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Is it possible to accelerate my office's stream capture process?

Hoping someone has had experience with this roadblock. As a law office, one of our tasks is to capture court proceedings that were streamed within the last couple of days. This task is complicated by ...
miola's user avatar
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1 answer
525 views

Using the "DVD Maker 2" (EM2980 chip) on Xenialpup

The not so well documented product "DVD Maker 2" from kworld I find only has an official driver for Windows. The two possible solutions I could think of is acquiring a driver for linux, or somehow ...
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4k views

honestech TVR2.5 screen appearing white, no audio

honestech TVR 2.5 capturing video using techcom tv tuner ssd-tv-817_125_win7_support from SOLID HD S2 6024 set top box for Indian DoorDarshan Free Dish on W10-64 bit, Composite channel, no ...
VSRawat's user avatar
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1 answer
934 views

Video frame capture: I-frame vs P-frames

I'm trying to capture various frames within a x264-encoded video files into png files (in python), and then compare the quality of them: cap = cv2.VideoCapture(filename); //get frame_number for ...
Tina J's user avatar
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1 answer
3k views

Capture card not working after updating to Windows 10 April 2018

After updating to Windows 10 April 2018 (1803) my video capture card (Razer Ripsaw) isn’t being recognized by applications. It shows up properly in Device Manager and I have reinstalled the drivers ...
Sami Kuhmonen's user avatar
1 vote
1 answer
4k views

VLC desktop capture screen-width option not working as expected

I'm attempting to capture my desktop using VLC. When I run vlc screen:// --screen-fps=15 --screen-width=500 it behaves as if I had run vlc screen:// --screen-fps=15 --screen-width=1000 or vlc screen://...
poompt's user avatar
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1 vote
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60 views

Not able to capture DV from my Panasonic camcorder to my computer

I have a Panasonic GS5 handycam, in which i recorded some videos which are stored in mini DVs. Now i want those videos in my computer so I bought a Firewire capturing card and cable, installed the ...
nish's user avatar
  • 41
1 vote
2 answers
657 views

How do I convert VHS tapes to digital format? [closed]

I, or rather my parents, have a PC running Windows, a collection of VHS tapes, and a VHS tape player with the following outputs: RCA A+V Out (Red, White, Yellow), S-Video, Component Video, RF. How ...
einpoklum's user avatar
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1 answer
141 views

Identify kernel module for analogue video capture card Multimedia video controller: Adaptec (formerly DPT) Device 9065

I'm trying to identify a kernel module to make an analogue video capture card work on video4linux. lspci: Multimedia video controller: Adaptec (formerly DPT) Device 9065 02:04.0 Class 0400: Device ...
Desmond Coertzen's user avatar
1 vote
0 answers
160 views

Complex streaming setup problems

Here is the complete diagram of my streaming setup : I have problems linking PC2 and PC3, let me explain. Capture Cards and Webcams cannot be plugged on the same PC because of software limitations, ...
Magix's user avatar
  • 163
1 vote
1 answer
1k views

7 pin s video and 4 pin s video compatibility

I'm trying to connect my graphics card to a video capture card. My graphics card appears to have a 7 pin S Video connector and my capture card a 4 Pin. The video card is a Sapphire HD 2600 Pro AGP, ...
DevelopedLogic's user avatar
1 vote
0 answers
525 views

Video capture from s-video is all green and pink

I bought a Diamond One Touch Video Capture USB device (VC500) to try to use it with BeyondTV in Windows 10. When capturing video from the s-video output from my cable box the video is all in solid ...
Steve Hiner's user avatar
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1 answer
4k views

Elgato Game Capture. CPU or GPU for encode/decode?

On my old PC that I use for my Elgato, I am unsure wether I need to use my CPU or GPU for Encoding and Decoding. The CPU is a Core2 Duo E6550 @2.33GHz. The GPU is a GT 730. Ya, it's pretty bad. My ...
tycrek's user avatar
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3 votes
5 answers
143k views

Easycap not working on windows 10

I ordered EasyCap, but it does not work on windows 10. I found driver for windows 10 online, but it didn't work. Someone knows how could I solve this problem? The device is recognized as an audio ...
Gennaro Arguzzi's user avatar
0 votes
1 answer
4k views

how to transfer TV image to computer

I have an Acer Aspire X Series desktop computer and a flat-screen Toshiba TV. The TV remote has a freeze-frame button. I want to freeze a TV image and transfer it to my computer to put in my photo ...
Gloria Levin's user avatar
0 votes
1 answer
648 views

How do I video screen capture with windows 10? [duplicate]

How do I single screen capture with windows 10 for making programming tutorials?
a coder's user avatar
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0 answers
32 views

Redirect a video monitor

I don't know a lot about the internet, nor video, but I thought I'd ask here anyway. I have an old Motorola video monitor that is "hard coded" to send all audio and video to the company server, ...
nate's user avatar
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1 vote
0 answers
138 views

Windows 10 optimizations for video capture

What specific Windows configurations can be taken to improve the quality of video capture on a Windows 10 PC? The video capture is being done via a Pinnacle AV pci card, and is capturing footage off ...
Cat cat Cat cat Cat's user avatar
3 votes
0 answers
930 views

capture video in virtual desktop

I use windows 10 and I need to capture just one virtual desktop and when I move to another desktop, that software should still capture video from the first virtual desktop (like capture video from ...
Hossein Rashno's user avatar
1 vote
1 answer
955 views

VirtualDub AVI Capture: Video delayed by ~ 4 seconds

I am using VirtualDub 1.10.4 to capture audio and video from video-only DirectShow device: [dshow @ 0000018baeadb920] DirectShow video device options (from video devices) [dshow @ 0000018baeadb920] ...
Fit Nerd's user avatar
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0 votes
1 answer
250 views

Will 1080i video capture card support 1080p @ 30hz camera?

I've a CCTV camera with an analog 1080p @ 30hz output and am wondering if a 1080i video capture PC card will support it. Since the camera's output is only 30hz, the 1080i video capture card (e.g. HVR-...
Oleg Gryb's user avatar
  • 101
2 votes
2 answers
3k views

How to capture stream from mediaklikk.hu?

I want to capture a streaming video from mediaklikk.hu. How can I do that?
thSoft's user avatar
  • 520
0 votes
2 answers
3k views

Connecting PAL camera to pc and working with the feed

I have an ancient analog camera which has the classic PAL analog output. I want to get this feed, display it on the computer's monitor and save the stream on the pc hard drive. I know that if it was ...
grzebyk's user avatar
  • 207
2 votes
1 answer
162 views

KVM to/from PCs

Is there a way to send keystrokes and mouse signal to a target machine without installing any type of software (even an OS) on the target machine? I want to do some repair and diagnostics-related (...
Zia_Menna's user avatar
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1 answer
727 views

EasyCap Capture card works with Wii, not with PS2

I ordered an EasyCap capture card a while ago, and I'm not sure which model. It only has the RCA cables, no S-Video. Anyway, on both ULead(which I got on the Internet, something else entirely was on ...
user2649681's user avatar
2 votes
1 answer
16k views

How to download Pluralsight videos?

Someone must have a streamlined way to pull down Pluralsight videos without using a mobile device or screen capture utility. In the middle of watching a video, Pluralsight's site went down... they ...
Fred Lackey's user avatar
1 vote
1 answer
2k views

Cut video after certain time?

So I have found out how to cut a video at a specific time frame by using the following command ffmpeg -i input.wmv -ss 00:00:30.0 -c copy -t 00:00:10.0 output.wmv ffmpeg -i input.wmv -ss 30 -c copy -...
user391502's user avatar
4 votes
1 answer
2k views

How to acquire a low latency realtime HD video image?

TL;DR: What setup would enable a Laptop or ARM based mobile system to access high res video images in realtime? For computer vision development, I need to acquire feasable high resolution video ...
dronus's user avatar
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