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17 views

how to add logo to live stream using FFMPEG

I am using FFMPEG 2.8.6 and ffserver for live streaming. I want to add logo to live stream?
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1answer
22 views

Focus in Video vs Focus in Image

This is kind of a weird question, but how does focus in video work? I understand how focus works for single, still images. And, I understand that a video is a sequence of images. However, unlike ...
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38 views

How should I encode my 4K video stream?

I'm capturing uncompressed 4K video from my Sony A7R II via a video capture device, and am using ffmpeg to save the video. My problem is I don't know what codec to use. The two options I tried are: ...
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1answer
192 views

Using ffmpeg to stream to or from Blackmagic Decklink Card

I want to use blackmagic cards with ffmpeg to stream their input but there is a problem. When I use "H264 Pro" Encoder as a "decklink" or "dshow" input, I see this error in command line output of ...
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16 views

HDMI Streaming Bad Delay

Here's the deal - I have a green screen and want to stream input from Canon Vixia HF R62 camcorder. I have a Magewell HDMI to USB 3.0 dongle which goes into the USB 3.0 port of my Dell Pro3X docking ...
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2answers
44 views

Flicker in the Capture, LED light source

Incident: I'm trying to capture small particles at about 20-30 cm distance to the camera at ~60-70 fps. Was using SMD32 LED with rechargeable battery as light source. By using that light source, ...
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2answers
157 views

Why has my game video, captured with OBS/Win10 DVR, a black screen in iMovie/WindowsMovieMaker?

I am capturing games on my Windows 10 PC with Open Broadcast Software and x264 codec. My problem is that as soon as I import a video.mp4 file to iMovie or WindowsMovieMaker for editing, it is black, ...
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2answers
76 views

Does having hardware encoding chip help?

I've been googling for a while now so I finally decided to ask others as well as I'm pretty darn confused. I'm looking to be able to stream at 1080p at 60fps ( from a gaming laptop, it's more than ...
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1answer
45 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 ...
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1answer
32 views

How to capture 4K screens?

I want to create videos for youtube, but because I am using a 4K screen it is very difficult to find a proper recording solution. My idea was to buy a card, that I can put into my computer that ...
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2answers
57 views

VHS to digital, flickering, lack of video and good sound

I'm trying to convert some VHS videos into digital. To do so, I got the VGB100 from August and connected it to the VHS player and to my computer. I've used two applications to capture video: ...
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1answer
48 views

Mac video capture / recording at a resolution larger than, and aspect ratio different to, native display

Goal: I'd like to upscale a recording from a 1680 x 1050 (16:10 aspect ratio), 2010 Macbook Pro screen to 1920 x 1080 (16:9) for 'best-try' upload to a variety of target platforms (FB, YT, Vimeo etc). ...
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1answer
113 views

Using ffmpeg with avfoundation, capture_cursor and capture_mouse_clicks options are ignored

Situation: cash-strapped ivory tower visionary and ffmpeg newbie manacled to a 2nd hand 2010 Macbook Pro concealing a 'Black Screen of Death' NVIDIA GeForce GT 330M graphics chip. With the help of ...
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0answers
21 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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2answers
61 views

Is is possible to copy the viewport to clipboard within Adobe After Effects?

Is there a way to copy the recent frame to clipboard to paste it in any other program? I know there is an exporting script from Video Copilot but somehow it doesn't seem to work with my version of ...
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1answer
246 views

Record raw video with ffmpeg keeping the full color range

I want to do video captures with a video4linux2 device. The video data contains a lot of darker shades of grey. When I capture a single PNG file, everything is fine. Capturing with ffmpeg/avconf ...
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0answers
62 views

Is possible to use ffmpeg to capture directly a DSLR streaming via USB?

If i have an high end Canon or Nikon camera is possible to do what eos_movrec do but with a better quality? Could be useful to use this for streaming or recording purposes. And in case of something ...
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0answers
177 views

Using h264 in loseless mode brings small unexpected results

I got curious on ffmpeg screen capture capabilities and started messing around with a simple realtime capture test in h264. ffmpeg -f dshow -i video="screen-capture-recorder" -video_size 1920x1080 ...
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20 views

Does Captured Video Display on Screen?

I'm thinking about getting a capture card so I can capture/Stream video/audio from my PS3 and PS4 on my PC. The question is can I configure a capture card to display it's capture, as lag-free as ...
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1answer
55 views

Crop Video temporary

I am in need of Video Player, or Software or API or any other idea for that help me to save the storage issue. Let me explain, I have a video file about 300mb which contains 10 clips if i make video ...
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0answers
189 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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1answer
87 views

Alternatives to recordmydesktop?

I am using Recordmydesktop to record skype conversations. After an important recording, I went to the linux terminal where the recording was supposed to be taking place and all I could see was: ...
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1k 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
147 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 ...
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0answers
108 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 ...
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1answer
426 views

ffmpeg filter_complex problem

I'm trying to achieve complex effect with ffmpeg, but I seem to be failing the syntax of -filter_complex somewhere. The goal is to capture part of the screen (with UScreenCapture direct show device) ...
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2answers
659 views

Video mixer from multiple sources into one

I want to take two video inputs say one from camera through hdmi/dvi etc and one through laptop(some presentation running in it). One, I want to mix these two video streams and take it out as a single ...
2
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1answer
3k views

10 bit 422 vs 8 bit 420

I have been looking around for commentary on this, but have not been successful. So, I hope you folks can point me in the right direction. Hopefully, this is the right forum for this kind of ...
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1answer
155 views

Corrupt images, when capturing from multiple cameras using the V4L2 API

I would like to grab images from multiple cameras under linux. I followed this presentation used the code and enhanced it for my purpose. It works very well for 1 camera. Once I begin to grab images ...
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2answers
431 views

Console Audio and Commentary Capture - Is it possible to capture both?

I've been scouring google to see if it's possible to record gameplay audio for consoles as well as live commentary from a microphone or headset. Most of what I come across, from either forums or ...
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1answer
64 views

Help needed in choosing video production device for use with Matterhorn Capture Agent

In our institution we need to record every class hours and upload it to our Matterhorn server with schedule recording, so i need a good video capture card which need to support a fixed camera and ...
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2answers
64 views

Actively Used and Developed Motion Capture Systems

I am looking for Motion Capture Systems that are actively used in the Movie Production Business. I am currently aware of Organic Motion and it's OpenStage2 which can easily cost about 40.000$. I ...
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335 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 ...