Questions tagged [video-capture]

the process of capturing a video signal with a computer, using a capture device (PCI-E, USB, Thunderbolt)

33 questions with no upvoted or accepted answers
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4
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0answers
2k views

Extract the frame (in image format) at exactly every minute (or second) from a video (by ffmpeg)

Motivation: I would like to seek the frame, then take high quality and exact time screenshots (images) from a video. The video is length is 00:48:43.71 and 23.98 fps (we can think it is 24 fps, isn't ...
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2answers
322 views

Mounted Canon VIXIA HF G20 -

Church installation. We have the camcorder mounted 12' above the floor and I have to use a ladder to get to the camera to take out the SD card and then replace it after I have downloaded the video for ...
3
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1answer
310 views

AVI Capture in VirtualDub: MP3 Compression

I would like to capture my old VHS tapes to my HDD. I already was successful installing the xvid codec which gives me an acceptable video compression. But somehow I am not able to set audio ...
2
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0answers
212 views

Capturing VHS tapes

I bought a Video-2-PC DIY Video Capture Kit which includes a copy of ArcSoft Showbiz 3.5, which I found to be too restrictive and low quality, and VirtualDub 1.9.11.0, which I eventually got to grips ...
1
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2answers
25 views

Permanent metadata for videos

Is there any existing container (video format) in which the metadata is immutable? I am new to this topic and my use case is that once a video is recorded, I want to preserve the metadata (for ex ...
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0answers
10 views

Application specific screen recorder for Android

For windows, using OBS studio, I can record the screen of a particular application. If in between, I open another window, the recorder records only the selected window and not the window on top. But ...
1
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0answers
16 views

Horizontal noise on RCA capture

I'm trying to record some Wii footage using a Silvercrest capture card. I've managed to get the drivers working and recorded a snippet via an RCA A/V cable. However, there's a weird kind of noise - ...
1
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0answers
25 views

Video recording framerate limitation causes? (e.g. 1080p at only 60fps despite same camera records in 2160p?)

I know, smartphone cameras are maybe not the primary interest of professional videographers, but I am interested into the technical aspects. They can also be relevant for real cameras. There are ...
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0answers
774 views

What timing settings in VirtualDub should be used for VHS capture via EasyCap?

I want to digitize my VHS (PAL) home video tapes using an old video cassette player and EasyCap. Here is the photo of my EasyCap chips for reference: After several days of reading how to perform ...
1
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0answers
125 views

Is the Flycam Galaxy Arm and Vest compatible with a Steadicam Solo?

I am planning on getting myself a Steadicam Solo Stabilizer and Monopod from B&H Photo Video. However, for my purposes I would really need an arm and vest kit that I could mount it onto. While I ...
1
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1answer
622 views

ffmpeg: Why did my capture speed drop? (can no longer capture using same command)

I've been using the following command to capture video with ffmpeg for the past two months using my Blackmagic Intensity Pro 4K capture card: ffmpeg -bm_v210 1 -rtbufsize 1500M -threads 4 -f decklink ...
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0answers
14 views

How do I import minidv video to windows?

I've connected my camcorder to the pc via firewall,driver was also installed but when I plug in and out nothing happen. (Except the sound). Do i need any software?
1
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1answer
767 views

Capture a wpf window : The flickering issue

I made a simple animation (as crawl text) using C#-WPF. The animation is smooth and excellent. (in wpf window) But when I capture it by FFmpeg as video it has flickering problem. Please see sample1 ...
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0answers
26 views

Good device for recording me using my mobile phone

I'm an app developer and would like a (preferably not too bulky) head mounted video recording hardware that I can use to record me using my mobile phone. Operating the mobile phone works by holding ...
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0answers
9k views

Is it possible to capture the screen (video) with Movie Studio Platinum 13?

Is it possible to capture the screen (video) with Movie Studio Platinum 13 ? if yes , where do I do that ?
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0answers
626 views

DVB capture into ffmpeg in windows?

Looking for a way to use ffmpeg dshow to open a tv capture card within windows. I have tried running the list devices command and my usb capture does not show. If it is a device limitation, Im happy ...
1
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0answers
693 views

Connect a Sony HandyCam to a MacBookPro for streaming

I have a Sony HDR-CX330 HandyCam which does a good job recording low light events for us. Now I would like to stream some of these events live. The Camera has HDMI out, but I'm not sure how I get ...
0
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0answers
14 views

Poor Capture Quality with Camtasia

I build video tutorials. I need to capture video in raw high-quality format so I can hand it to the editor. But, when I record video in Camtasia 2019 or 2020 (new version), the editor complains that ...
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0answers
16 views

Benefits of component/RGB connector (vs. S-video or composite) for VHS capture?

I know it's 2020 but I still have a few VHS tapes to digitise. I do not expect the picture quality to be necessarily good enough to worry about this question. Still, I would hate to lose any tiny ...
0
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0answers
11 views

FUJIFILM X-T4 live stream capabilites

I'm trying to find out how useful FUJIFILM X-T4 will be as a streaming device. According to the specs it is able to record decent DCI4K 60 fps 10bits. It is also capable of emitting it properly via ...
0
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0answers
9 views

Recording WebCam + live viewing what I am recording not possible: system requirements?

I want to record a video using my WebCam + live viewing the video I am recording to check if everything looks as I want it to look. When using VLC, e.g. with the "stream" option and turning on "...
0
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1answer
10 views

Record for an hour using mobile phone

I want to record someone speaking for about an hour without any gaps. To do this i'm using a Samsung Galaxy s8. The default video application splits the video into 4gb files when recording longer ...
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3answers
38 views

Syncing Audio and Video

I have am doing a video recording podcast. I am recording the audio with Audacity with my 4 Shure mics hooked up into my Clarett 4pre USB. I am recording the video with OBS Studio a Cannon Vixia GF ...
0
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0answers
268 views

FFmpeg 2017 vs 2019 decoding performance improvement

I was trying to do some basic profiling on ffmpeg, following my previous question here. I have a relatively high-bitrate .ts file (17mbps), and I have two versions of ffmpeg (2017.3 and 2019.4), and ...
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0answers
67 views

How to use record video with ffmpeg

can someone tell me how I can record a video + audio and can I specify the fps and the resolution of the output file ? I'm very new to ffmpeg so i don't know much. Thanks.
0
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1answer
201 views

Can't capture video from dshow device. FFmpeg finish immediately resulting empty file

I'm digitizing my old tape recordings from usb dongle. Everything been ok, I digitized several tapes, but I'm abandoned this project for a while and reinstalled windows. Keeping on secondary drive the ...
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0answers
449 views

Desktop Capture Has Become Choppy/Jerky with FFmpeg

Recently, videos produced by capturing a window on my system using FFmpeg have become choppy/jerky, as if frames have been dropped or duplicated. FFmpeg will sometimes report that a number of frames ...
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0answers
303 views

FFmpeg Can't Capture Window Rendered with Secondary GPU

Edit: I am using the terms "primary" & "secondary" cards below loosely. I'm just assuming the Intel card is considered the first card. I recently discovered how to use my secondary graphics card (...
0
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1answer
139 views

resend headers NUT formats

If I do this ffmpeg -f dshow -video_size 720x480 -framerate 29.97 -i video="Roxio Video Capture USB":audio="Line (Roxio Video Capture USB)" -c:v mjpeg -c:a pcm_s16le -map 0:v -map 0:a -f fifo -...
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0answers
133 views

Sample K representative frames within a video

I have an image-based processing module that takes photos for some computer vision processing. I have many videos, but I need to sample representative frames as its inputs, preferably those frames ...
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2answers
6k views

How can I record adobe flash player stream

I am learning english and I want record this stream. It's using flash player and in addition include PDF doc. thanks for your interest
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1answer
168 views

How to up scale video resolution for Video Card

I've a Black Magic Declink Mini Recorder Frame Grabber which supports minimum 720p as Video Input. But my camera has a VGA resolution which ostensibly will give output in 640*480 resolution. The card ...
-1
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1answer
25 views

which camera glasses allow recording while connected to power source

I am trying to use camera glasses for documenting benchwork. Most of available models allow 1 to max 2h hours of recording for as long as the battery lasts and only allow next recording after the ...