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Questions tagged [video]

Questions about video editing, streaming, conversion, capturing or video output. Use a more specific tag if possible.

2
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2answers
73 views

Is it safe to omit the codec when converting with ffmpeg?

I noticed today that I could encode or transcode video and audio streams using ffmpeg without specifying a codec, due to the fact that it seems to imply the video or audio codec being encoded or ...
0
votes
0answers
32 views

Upgraded MB/CPU/RAM, video players now have sync problems

A month or so ago I upgraded the CPU, motherboard and RAM of my PC (from an i5-2500K to an i7-9700K). Windows 10 seemed to handle this change very well without having to reinstall (besides having to ...
0
votes
1answer
16 views

How to properly diagnose computer shutdown when editing video, with no system logs?

This has been a problem for years. When I render or even just edit video (Specifically in DaVinci Resolve, no problem with Premiere) my computer will shut off. This is a Windows 10 machine, and ...
0
votes
1answer
79 views

Fullscreen Playback glitched in Chrome

Whenever I try to play a video fullscreen in Chrome, from YouTube or any other site, my laptop crashes and shows a black screen for a while until I turn it off form the power button. In YouTube, green ...
0
votes
1answer
41 views

Tiny hiccups during youtube 4k hdr playback?

My setup is a Ryzen 2700x with an Nvidia 1070ti. I have sufficient bandwidth (200Mbps) and the video loads really fast. When I start playing the video everything seemingly runs Every five seconds ...
0
votes
1answer
626 views

How do i generate Webp preview animations using FFMPEG

So i have been generating preview animations in GIF formats using FFMPEG. (basically selecting a few seconds of the whole video and storing as gif) however the previews that youtube generates in webp ...
0
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0answers
24 views

How to write media statistics for all types of video containers using ffmpeg?

I need to write video and audio statistical data like the average bit-rate, frequency of the audio, etc. in-place to the video file while retaining the other metadata like title, comments, etc. Main ...
0
votes
1answer
186 views

MediaInfo's 'Overall bit rate' vs 'Maximum Overall bit rate'

I'm comparing duplicate media files using MediaInfo, so that I can keep the one with the best quality and delete the other one. However, I'm confused by some of the information. One Duplicate ...
0
votes
0answers
19 views

How can I make interleaved 29.97fps into 59.97fps progressive (or 29.97fps progressive)

video properties Hi. I have a blu-ray source that has interleaved 29.97fps video. I heard there was a way to make this into 59.94fps by using each field as a frame. Could someone elaborate the ...
2
votes
1answer
41 views

Is there anyway to adjust the video in the center of screen using ffmpeg

I want to add a gif as a background to a video. So the gif will take the whole space of the area while the video will be in center. I am using this command but it's not working very well. it's just ...
0
votes
0answers
8 views

System for Firewire Video Import

Working on an extreme budget here. I have a very late and high-quality Sony firewire/HDV camera I'd like to use for some production (the features of the camera mean it's not cost effective to scrap ...
0
votes
1answer
65 views

Permissions denied while editing tags of a video file

I have a video file on my desktop. Whenever I try to edit (editing or removing) the tags (title, comments, genre...) of it, I got the following message: Access denied (I edited the same dialog box ...
0
votes
0answers
169 views

Why did Adobe Premiere generate gigabytes of “Peak Audio” and “Rendered Audio” files from project imported via AAF file exported by Davinci Resolve?

I was editing a video in Davinci Resolve Studio 14 but I wanted to edit the rest of it in Adobe Premiere Pro CC 2018 (due to technical problems with Resolve). In Resolve, I exported the AAF. In ...
0
votes
0answers
403 views

How to disable WEBM and GIF playback (Open video in new tab) in Chrome?

An analogy might make my intention clear. It's very easy to disable images in Google Chrome: Go to Settings, Click on 'Advanced' and scroll down to 'Privacy and security', where the option to disable ...
0
votes
0answers
15 views

How do I stop videos loading automatically in Chrome

Every time I open a particular page of an online newspaper I get videos loading automatically - happens on other sites too.
0
votes
1answer
234 views

Can I use Samsung Gear 360 as a USB webcam? (Windows 10)

I have a Samsung Gear 360, is there a way to trick Windows into using it as a webcam?
1
vote
1answer
61 views

Windows Media Player plays only audio from MPG 320x240

My OS is Windows 7 Ultimate 64 Bit. I have a few video files in the format of MPEG. Some are 320x240 frame size and other are 720x576. Both are .MPG extensions. The default Windows Media Player (I ...
0
votes
0answers
36 views

Davinci Resolve 14 making very loud clipping sound when moving playhead at fast forward speed

I am fast forwarding through a video I am editing (J,K,L keys). If I move the playhead somewhere, like a few seconds backwards, it makes a very loud digital static blip sound for a fraction of a ...
1
vote
0answers
45 views

What is an offline method to force macbook webcam to capture at higher framerate than 12 fps?

I have a late 2013 MBP. The webcam captures at about 12 FPS by default, or if you shove extremely bright lights into the camera it might start capturing at a higher frame rate. If I go to www.youtube....
0
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0answers
25 views

How to write video statistics while opening and closing a video file with ffmpeg? [duplicate]

I need to write video and audio metadata to files which are re-encoded with Handbrake. Not the global tags, but statistical data like the average bit-rate, frequency of the audio, etc. These data are ...
1
vote
0answers
644 views

How to convert .raw video file to .avi using ffmpeg?

mediainfo on the file gives the following output - General Complete name : 0x5C3C6393.raw Format : AVC Format/Info ...
0
votes
0answers
25 views

Cameras / Video recorders and web cams with open API

I would like to build a video motion sensor. Basically, it would be a sophisticated baby monitor where I could collect streaming video and use image processing and machine learning techniques to ...
0
votes
1answer
44 views

Matroska supported formats

So suppose I want to store a variety of time-synced data as a kind of "session", say. Like, say I have several video recorders recording video at the same time, as well as a few microphones, still-...
1
vote
1answer
95 views

Video quality degrades when uploading to YouTube with variable frame rate

So I use OBS (latest ver) to record my gameplay on Windows 10. OBS settings are: recording format: MP4 Recording quality: indistinguishable quality, large file size Encoder: Software (x264 low CPU ...
0
votes
0answers
23 views

How to differentiate a music and voice in a video file using FFMPEG? [duplicate]

I have a movie.mp4 file, I extracted the audio from the video file using FFMPEG (ffmpeg -i video.mp4 -c:a pcm_s16le audio.wav). Now from the audio file I can get the waveform, is there any way that ...
0
votes
0answers
144 views

How to Encode or Decode 3D mvc Videos, Using ffmpeg/x264

1.I have downloaded a half SSB 3D video from YouTube. I want to extract 2 videos (Both Left & Right View Separately) from Source File. How can I do that? I intend to use ffmpeg or x264 libraries. ...
2
votes
1answer
262 views

Is it possible to rotate YouTube videos while watching on desktop PC?

Nowadays many people use mobile devices to watch videos on YouTube, so the creators of some videos began to adapt their videos to such devices, turning them 90 degrees counterclockwise (random example ...
1
vote
1answer
84 views

Windows server crashs in video transcode during

I'm using ffmpeg for transcoding of my videos on a HP Blade dedicated server with these details: OS: Windows Server 2012 R2 64Bit CPU: Intel XEON X5650 RAM: 16GB Hard disk: A sas normal disk This ...
0
votes
0answers
21 views

Set output max size in segment

I'm new to ffmpeg, I would like to know how can I specify the maximum size of chunk using segment. I've read several ways to achieve this but no success. Currently I'm using a script like the ...
0
votes
1answer
29 views

Synchronize video viewing between computers with matching local files?

Let's say I have a video file that I'd like to watch with some friends of mine in different states. FTP makes it easy enough for all of us to get a local copy of the file. Sure we could call each ...
0
votes
1answer
157 views

ffmpeg h264_vaapi video encoding

it look like ffmpeg and h264_vaapi codec are broken in the newest version 4 because they don’t honor the -qp setting. -qp with any value don’t change the bitrate which is terrible high. Only setting ...
0
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0answers
349 views

How to remap channels of AC3 stream within .mkv or .mp4? (ffmpeg, 3f2m/lfe - > 3f2r/lfe)

So this is my problem, I've backed up quite a number of DVDs and a few Blu-Ray discs to .mkv files for archival purposes, and for my plex server. I used: x264 for video ac3 for audio (for ...
0
votes
1answer
150 views

ffmpeg drawtext filter box jittery issue

When creating a frame count burnin using the drawtext filter, the varying height of the characters makes the text jitter vertically as they count. It is possible to stop this by applying the ‘ascent' ...
0
votes
1answer
46 views

How to combine these two ffmpeg commands into one with two outputs?

I have some tv series recorded and now I want to cut off the parts before and after the series, remove the corner logo and save it in original size as mkv and also in downscaled size for our mobile ...
0
votes
0answers
115 views

ffprobe fails obtaining the delay of an audio stream?

Getting the delay of an audio stream is usually easy with ffprobe and a command like: ffprobe -show_entries stream -i "(file_path)" Obtaining an output that includes the desired info (see "...
0
votes
0answers
21 views

How to create video from every nth image in sequence and transpose FFmpeg

I can see something like this question has already been asked but the answer is not working for me. I want to decrease the filesize and length of my video by sampling less images ffmpeg -r 30 -s ...
0
votes
0answers
74 views

Inconsistent audio sync, capturing with V4L2 and PulseAudio

Not sure what's going on here but I can't seem to get consistent audio sync capturing from HDMI with ffmpeg. I can get consistent results from OBS no problem (video is always 100ms or thereabouts ...
1
vote
0answers
481 views

Video editing software crashes in ntdll.dll

I have tried several different video editing applications, and they all crash either when scrubbing through the timeline or rendering the output video. I have tried many things to stop the crashes, ...
0
votes
0answers
11 views

Macs: Powerpoint to MP4

I have a few students with MacBooks that are having trouble converting their powerpoints to video files. When they export it as an mp4 (or mov for that matter), the computer then says it is an empty ...
0
votes
1answer
86 views

Reboot after clicking on movies on Netflix only

This problem happens only on Netflix, not on any other video viewing site. After clicking on a movie, I get blue screen with stopcode message and page fault in nonpaged area. Message says wait while ...
0
votes
0answers
116 views

V4L2 doesn't use a lower advertised frame rate

I'm capturing images on Linux (Pi 3B+, Stretch lite). The camera reports that it's capable of delivering images at 30 fps or 60 fps. Here's the output from v4l2-ctl v4l2-ctl --list-formats-ext ioctl: ...
0
votes
0answers
19 views

How do I get OBS to update image slideshows and video playlists automatically?

I am having an issue with image slideshows and video playlists in OBS not updating dynamicly as video and image files are added and removed from the directories they look at. Is there a way of ...
0
votes
0answers
93 views

How to slow down a timelapse mp4 created from jpgs with ffmpeg

I'm creating a timelapse from a bunch of jpg files on Windows 10: C:\dev\ffmpeg-20180219-acdea9e-win64-static\bin\ffmpeg.exe -r 24 -i Base000%3d.jpg -s hd1080 -vcodec libx264 timelapse.mp4 The ...
0
votes
0answers
151 views

Display text as overlay in VLC playlist

I'm launching VLC Media Player to play a bunch of CCTV video streams passed to it using Process.Start in C#. Each video needs to have the CCTV camera's location as overlay text. The VLC wiki says the ...
0
votes
0answers
29 views

Can 120 Hz monitor reduce screen stutters, if it can, does MSI GE62VR-7RF compatible with 120Hz Full HD screen from MSI GE63VR?

My laptop is MSI GE62VR-7RF with GTX 1060 GPU. When gaming, I usually keep the V-sync on at all times to reduce screen tearing, but because of game graphics keep advancing, my laptop now no longer ...
0
votes
0answers
22 views

How can I capture window area that is playing a video and display the area in another window in Linux

I'd like to have a small video window "Always on top" of other windows in my LXDE which would display just the video area I have previously chosen in another window, e.g. Chrome displaying edX video ...
0
votes
0answers
305 views

ffmpeg overlay filter adds black background for PNG with transparency

I'm trying to actually programmatically add PNG overlay over h264 video. Even though PNG image has alpha channel, after I apply filter, on a resulting video this image has black background instead of ...
3
votes
1answer
528 views

How do I stop Netflix from losing sync between audio and video?

When I play Netflix on my Windows 10 computer, the audio gradually becomes desynchronized from the video. This happens on any browser, and on the Netflix Windows Store app.
0
votes
0answers
10 views

Trim video after every 10 second [duplicate]

I have 10-minute video and I want trim video after every 10 seconds and make a new video. Suppose a video is 60 seconds long and divide in 6 segment ABCDEF then I want trim BDF and save ACE in a new ...
1
vote
1answer
798 views

FFmpeg can't convert mov with alpha channel to webm with alpha channel

I am trying to convert a mov with alpha channel to a webm with alpha channel by ffmpeg. However, what I got was the webm video without alpha channel. My methods are based on those link: Alpha ...