Questions tagged [video-recording]
The video-recording tag has no usage guidance.
226
questions
1
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0answers
14 views
360video - POV Learning Scenarios
I'm working for an educational facility for social workers and have a project to shoot 2 scenarios, of physical escalation with therapists and patients with cognitive disabilities, in POV.
The ...
0
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0answers
11 views
How to record video of television/monitor without black banding
I am planning to record video tutorials with a standard high-definition webcam from my computer, but I would like to have the facility to work with a whiteboard with PowerPoint presentation. I do not ...
0
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0answers
12 views
ffmpeg get Thread message queue blocking after hours
I'm using ffmpeg to record Xvfb and pulse audio. After 1h 30mins, it stopped and show this error
[pulse @ 0x3406240] Thread message queue blocking; consider raising the thread_queue_size option (...
0
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0answers
12 views
Increase video recording efficiency on smartphones
I am working on a smartphone app that records a video and uploads it to the cloud. Now I'm trying to find ways to increase the performance and quality of videos. Given sometimes the bandwidth of the ...
0
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0answers
5 views
Adapt video recording and playback according to the device
We have a prototype that records video and shares it to other devices to play. How can we customize the video recording and playback experience, considering mobile vs. desktop and the bandwidth ...
0
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0answers
13 views
Killed my old laptop. Any recommendations to help extend the life of my M1 Macook Air internal SSD?
I recently killed my old (2012) Macbook Pro's hard drive by doing something I didn't realize was a problem.
I attend a LOT of training webinars and Zoom video calls with clients: 5 to 10 webinars and ...
0
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0answers
12 views
Can anyone tell explain these UTVideo settings to me?
I am on the lookout for an alternative Lagarith Lossless as some games do not really agree with Lagarith Lossless. I did some digging and learned of UTVideo on the internet but the thing is, UTVideo ...
0
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61 views
FFMPEG: How to continue saving black background in video when camera gets disconnected temporarily
I am trying to save video from a local IP camera from its sub-stream (640x480,25fps). The ffmpeg command that I used is
ffmpeg -y -rtsp_transport tcp -i "rtsp://admin:admin123@192.168.10.171:554/...
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35 views
Nikon Z6II / Z7II external video recorder limitations, e.g. Ninja V
Reading through the Reference Manual of the Z6II and Z7II regarding the output HDMI options, it does not list 4k @ 60p or 1080 @ 120p through HDMI. It would suggest that external monitoring and ...
0
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0answers
10 views
Shooting video with blurred background
I’m an amateur and I want to shoot an object falling (the object to be seen very clearly) with its background blurred. What should be my frame rate and what are the key settings to do this. Also if I ...
0
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1answer
27 views
Can i use my laptop as an external recorder
Can i record 4k video from a canon mirrorless (r6) directly to my laptop hard drive just like one would do with an Atomos Ninja? I record a lot of singing events where the camera is standing in one ...
0
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0answers
7 views
Improve video resolution when recording a game
I am thinking to record a game, and this game is horrible with low settings. The problem is: I can put the max settings, but only with 800x600 video resolution. How can I convert a video from 800x600 ...
0
votes
1answer
52 views
Fixing MDT file from Panasonic camcorder
When Panaconic videocameras are abruptly interrupted while recording, the video is on the SD card as .mdt.
It's supposedly a video stream without a header and a footer.
How can I convert this to be an ...
0
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0answers
9 views
Audio/Video "Drift" on Mac (even when recording them using separate apps)
I have an older version of Screenflow (ver 6.x) and I find that it's getting so that my videos are falling out of sync with the audio (only noticed this lately, not sure if it is tied to newer ...
0
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0answers
29 views
Transcoded video become shorter (playback length) and plays at double speed
Currently I am doing a project where I am recording live video (720p25) with a video capture card (stretch card). This live video feed is recorded into a 3rd party proprietary video recording software....
1
vote
1answer
58 views
How to automatedly synchronize video recording with pre-recorded music track?
When they film music videos ---ones that require the artist to lip sync in cooordination with a pre-recorded song--- do they synchronize
the moment that the cameraman hits the record button on the
...
0
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0answers
28 views
Are there video motion tests (to point camera at) to assess encoder settings, rates, etc? (currently working in OBS)
I want to measure the appearance quality of motion against a variety of OBS settings in a talking heads video.
What is a good way to test for motion in a video recording/capture running 15-60 minutes? ...
0
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0answers
14 views
Beginner: screen capture on Vegas Pro 17 yields static
So, I am a beginner at Vegas pro 17 (version through Steam) and am trying to get the Screen Capture function to work. I added a picture because I don't exactly know how to describe what is going on. ...
1
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0answers
86 views
VLC doesn't play mp4v video converted with VLC to h264/h265
VLC reports the original video as:
Codec: MPEG-4 Video (mp4v)
Video resolution: 8192x8192
Frame rate: 7.549296
I am using the Convert / Save option to convert the video using the following profile:
...
1
vote
0answers
70 views
How to convert Fast Mpeg 4v2 (mp4v) with ffmpeg
I have problem with ffmpeg properly recognizing a video encoded with Microsoft Fast Mpeg 4v2 codec. Apparently it's a software codec. VLC plays the video fine. The codec reported by VLC is:
Codec: ...
0
votes
1answer
77 views
How can I generate voice as someone elses voice?
I dont know if its possible but I would like to create voice similar to Gandalf from Lord of the rings. Is there some app or program which can help me? I know that I can use google translator but it ...
0
votes
1answer
64 views
Software or method to detect sequences of non-black frames in a long video
I have a large video file (about 6 hours long), it's a record from surveillance camera, the camera itself has no illumination features, though surveiled area has pretty good light which is triggered ...
0
votes
1answer
22 views
Seeking Boroscope capable of focal lengths from 24 to 48 inches
Most boroscopes (tiny mobile cameras) are designed for short focal lengths, like a few inches (think: drain pipe inspection). The boroscopes that claim long focal lengths cite up 16 inches. That's ...
1
vote
0answers
66 views
Is a TBC required for converting VHS home videos to digital format?
This is a follow-up question to this one. The DigitalFAQ forum, whose members seem to know a lot about this particular topic, say about TBCs:
You must have some form of TBC, it's not optional. You ...
0
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0answers
13 views
Video conferencing/chat app with local recording?
I want to make an interview with someone somewhere without good equipment and connectivity.
People usually have good enough smartphone for offline recordings, but I need to question them and then cut/...
0
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0answers
16 views
Record a part of screen with an exact size by QuickTime Player + iMovie
In Windows, I want to record a part of screen with an exact size: 1366x768.
The recording quality of QuickTime Player is pretty good, but I cannot find where to specify the exact size 1366x768.
...
1
vote
1answer
52 views
How do I improve sharpness of foliage and distant objects during video recording?
Lately I have tried recording some video using my old Canon. While I achieve decent results during macro shots and while filming human beings, I have noticed that foliage and distant objects in wide ...
-1
votes
2answers
15 views
video bad resolution it stuck in some frames [closed]
I try to design video that include phone screen recording.
the phone recording is good resolution out after effects
when i add it to after effects it's stuck in some frames and it seems bad resolution!...
0
votes
0answers
13 views
re; using 2 i-phones simultaneously in adjoining rooms for video input to macbook pro
I would like to 'overlay' two individual video feeds from two i-phones (with individual audio feeds from each person via XLR cable) to an existing video so as to stream both the prerecorded video as ...
0
votes
1answer
23 views
Recorder for 2 HDMI Signals into MP4/MKV with 2 Video Tracks
Is there something like the Atomos Ninja V, but with two HDMI inputs and producing MP4 or MKV files with two video tracks? A combination of multiple devices (mixer, recorder) would also be fine.
1
vote
2answers
3k views
How to record with low file size in OBS
I downloaded OBS to try to record some online lectures with low size. I tried some other software already, but the file sizes and quality were too high. I'm trying to keep the file size as low as ...
1
vote
2answers
38 views
How to create a educational video by only using your voice and some photos
I would like to create some educational videos in which I will use only my voice and some photos/text headlines, notes etc. on my Mac computer. I am aiming at creating videos that are as much as ...
2
votes
2answers
60 views
How to put your GPS track in a video?
I am about to start a channel on YouTube.
There will be occasions that I will drive while recording my path with an indoor (inside car) camera. I thought that it could be great if I put a tiny square ...
1
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0answers
42 views
Recording a lecture, mirroring Ipad to Windows PC
I would like to record a lecture for my maths students. I want to write it on my Ipad (in goodnotes), mirror Ipad on my PC laptop, and use OBS on my PC to combine the image of the Ipad with the input ...
2
votes
2answers
53 views
Preview Aspect Ratio on Camera LCD Screen
I am planning on shooting a short film with my DSLR (Nikon D5300). I want the film to be in 2.39:1 (1920x800), but my camera is recording in 16:9 (1920x1080).
I wondered if there is any way to ...
0
votes
2answers
98 views
Merge multiple video files using ffmpeg by adding multiple compress options
I would like to merge multiple video files, performing in the same time complex compressing options.
How can I do that? The following ffmpeg command resulting this error:
Filtergraph 'scale=1280:...
0
votes
3answers
731 views
How to solve audio/video sync issue on my mp4 screenrecording?
I'm relatively new to video editing and struggling to solve a problem whereas the video (i.e my lips) is out of sync with the audio (i.e my voice). The beginning of the video is fine but by the end ...
1
vote
1answer
34 views
How do I record video on my computer using a (mirrorless) camera as the video source?
I want to record video on my computer using my Canon M50 as the video source. It's similar to how one might use a webcam instead of the camera integrated into their computer. The only difference is ...
1
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0answers
16 views
Testing if VCR supports S-Video by image comparison. Is it correct?
When I capture a video from my VCR (a Sharp VC-M401SM) with an S-Video cable connected to a SCART adaptor (like the one shown in this post) I obtain a gray-scale image.
One possibility for this is ...
1
vote
1answer
24 views
How do I make video tutorials of someone(s) working through a website on their computer?
The trivial way to solve this problem is just to screen record my computer, but I want it to look professional.
I don't want unprescribed mouse movements. I want them to be direct and towards the ...
1
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0answers
360 views
Audio is corrupted after joining videos with ffmpeg concat demuxer
I've concat or joined four video files using ffmpeg concat demuxer The video has no problem. But on audio side I am greeted with a bunch of error when I tried re encoding the final video. Here is the ...
2
votes
2answers
2k views
Does using an S-Video output via a SCART connector improve the output quality of a VCR?
This answer reports that in order not to lose quality when digitizing VHS one should use an S-Video cable.
My VCR is a Sharp VC-M401SM and does not have any S-Video output nor a composite output. ...
1
vote
0answers
58 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 ...
0
votes
0answers
918 views
VLC can't play back when I try to connect it to the Ngix / HLS port in Windows 10
I'm trying to do HLS streaming with NGINX + OBS on WIndows 10 following this video tutorial on youtube :
I don't know what's wrong with the configuration ,but VLC ...
1
vote
3answers
53 views
Prime or Zoom for Video (Micro Four Thirds)
I am looking to get a Blackmagic Pocket 4K. I know that you can do the EF conversion, and use Canon EF lenses, but I want to keep the cost down on my initial purchase.
I am looking at either getting ...
1
vote
0answers
84 views
FFMpeg kmsgrab record pixels in incorrect order
ffmpeg -f kmsgrab -i - -framerate 60 -vf 'hwdownload,format=bgr0' -preset ultrafast out.mkv
This is how a video frame should look like
This is how it is recorded by ffmpeg
https://drive.google.com/...
2
votes
1answer
67 views
Why I might get this high noise on Sony a7 III with Zeiss 24/70 f4 lens?
So I've tried to make a short New Year video and noticed, that I got noise at almost every level of ISO over 3000. And it is the kind of noise, that is impossible to work with.
Am I getting ...
0
votes
2answers
407 views
Use android camera and usb mic on pc
Apologies in advance if this is a very noob question - I barely know anything about video production.
I'd like to record video and use my fancy-ish USB microphone as the audio source. Unfortunately I ...
1
vote
0answers
38 views
Use wirecast and obs at the same time
I am new to video production and I would like to ask you if is it possible to use OBS and Wirecast at the same time. Is there a possibility of conflict or something? In my case, I have a Blackmagic ...
0
votes
3answers
82 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 ...
