Questions tagged [video-capture]

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

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6 views

EasyCAP “shaky” N-PAL Argentina Signal

i bought this EasyCAP capture device for digitising some old VHS's that i have lying around my house. When i try to capture this happens: https://www.youtube.com/watch?v=53hBtBSGI-E I have tried with ...
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100 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 ...
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28 views

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)&...
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31 views

Can graphic card's usb-c output to another laptop/tablet without a monitor?

New graphic card has a USB-c port, I wonder is it possible to connect the usb-c cable from the graphic card directly to a laptop or tablet, can it output the display with app like quick-time/vlc ...
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2answers
9 views

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'...
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1answer
83 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 ...
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1answer
42 views

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 ...
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76 views

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 ...
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1answer
114 views

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 ...
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70 views

How can I stream videos using VP9 on LAN and capture video at other PC?

I am streaming videos on LAN using VP9 and .sdp file on client-side but unable to capture the videos. How can I capture those video files?
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79 views

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 ...
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44 views

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 ...
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72 views

USB 3.0 type-A functioning only as 2.0 on an HP Spectre x360

I'm using a HP Spectre x360 13T AP000 laptop and the type-A USB 3.0 connector on the left side is functioning at only 2.0 speed for some reason. I know it is functioning at this speed through USB tree ...
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72 views

does choice of SSD affect video capture, like HDD?

I don't know well, but I believe the speed or some other characteristic of HDDs affects the quality of video capture when capturing an analog-to-PC video input. If SSDs are faster than HDDs, it seems ...
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1answer
1k 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 ...
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1answer
126 views

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 ...
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54 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 ...
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3answers
676 views

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 ...
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23 views

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 ...
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1answer
275 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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3k 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 ...
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1answer
402 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 ...
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1answer
2k 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 ...
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1answer
3k 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://...
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32 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 ...
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2answers
543 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 ...
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1answer
94 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 ...
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145 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, ...
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1answer
801 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, ...
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391 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 ...
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1answer
3k 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 ...
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5answers
123k 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 ...
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1answer
2k 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 ...
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1answer
291 views

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

How do I single screen capture with windows 10 for making programming tutorials?
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29 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, ...
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127 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 ...
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638 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 ...
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1answer
711 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] ...
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1answer
201 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-...
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2answers
3k views

How to capture stream from mediaklikk.hu?

I want to capture a streaming video from mediaklikk.hu. How can I do that?
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2answers
2k 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 ...
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1answer
70 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 (...
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1answer
569 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 ...
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1answer
14k 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 ...
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1answer
1k 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 -...
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1answer
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 ...
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1answer
503 views

Why does recording a game with Fraps decrease performance?

I've run into some performance problems whilst recording some gameplay videos for Youtube. As I understand, Fraps saves the current frame pixel for pixel in a video file (in a way similar to a RAW ...
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2answers
2k views

Linux Kernel Driver for video capture

I have this EasyCap video capture thing with a USBTV007 chip and I really would like to get it working on my little linux mint 17 laptop so that I can capture video for my RC stuff. But I do not know ...
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3answers
5k views

Which has better signal: RCA jacks or RF(Coaxial)

When capturing old VHS(or cable) to PC, which jacks to use for the highest quality? RCA(composite) or RF? If the PC card supports it would S-video/component be better? Is there a general signal ...
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1answer
4k views

How to use notebook as external video capture card

sorry if wrong session, but i've been looking everywhere and i can't find an answer. I have a youtube channel and i want to improve my recording. I use the same computer to play and record. But i ...