Questions tagged [video]

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

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5 views

how do i open a video exe file (converted by videotoexe)that can open only 3 times?

How do I open the video wich has restriction on number of times you could open.It's an .exe file which has been converted using videotoexe software.
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11 views

Find different scenes with FFmpeg and concat them to a new clip

It seems possible to find different scenes, or at least differences between frames if I have understood the concept correct. This thread, for example . Also, this thread seems to extract scenes, but ...
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For some reason my laptop cant play offline videos every time it goes to sleep and is turned back on

For some reason my computer doesn't seem to play offline videos every time it goes to sleep and is turned back on. There is audio but no video. But every time I restart my computer things seem to go ...
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1answer
33 views

Batch edit file properties by parsing filename text

Problem I'm trying to batch process and organize some old video files. In order to catalog the files, I wanted to update some metadata so that it would show up in my catalog software, abeMeda (aka ...
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14 views

Regarding TS format video stream

How video stream of TS format total duration can be calculated from TS packet parser. I have already tried one way that is parsing to the EOS and reading time stamps but this is not efficient for ...
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17 views

Explain: How come Windows 10 doesn't show a video thumbnail? (x265->x264)

*First entry... thank you very much. * I have been re-encoding video files for some time now and I do not want to stream x265 so I merely do an encode. This time after an encode from x265 to x264 ...
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1answer
36 views

ffmpeg - overwrite audio in video until audio ends

I have a video file, say it's called video.mp4. The video has its own audio. I also have an audio file, say audio.aac, shorter in length than the video. I want to use ffmpeg to overwrite the audio of ...
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18 views

Using -skip_threshold with mpeg4 encoder in ffmpeg

Can anybody please shed a light on subj - I didn't find anything useful on the net. What I'm trying to do is to eliminate duplicate frames during webcam stream recording. I know about existance of "...
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1answer
28 views

Batch normalising multiple audio and video

I have hundreds of mp4 videos and wavs which are all different volumes. I want to normalise them using ffmpeg. To normalise one video I use the following code: ffmpeg -i input.mp4 -filter:a loudnorm ...
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How does Zoom window ordering work?

How does the ordering work in Zoom meetings? Let's take the fullscreen speaker view as an example (see Fig below). I know one's own window is placed in the leftmost position. I also know that you ...
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3k views

Why does preset “veryfast” in FFmpeg generate the most compressed file compared to all other presets?

The FFmpeg wiki says that the best compression rate is by preset "veryslow". But when I am trying it with my video then preset veryfast provides the best compression in my case. The following is the ...
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1answer
64 views

How to use ARM Mali-450 Hardware acceleration in ffmpeg [closed]

Build Jellfyin in docker,I want to use GPU acceleration
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Overlaying Data on top of YouTube Livestream [closed]

I am currently working on a project where we are monitoring air quality using sensors connected to a kite. We attached a Raspberry Pi with a camera to a kite, and it live-streams the video to YouTube ...
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27 views

Youtube video no sound when recorded using a mic

So my sister is trying to upload a video to YouTube and there is a strange issue that the promo of the video is working fine with sound, but after the promo while she is talking there is no sound at ...
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19 views

Video playback problems in Virtualbox. Watching on web works fine

I am running Windows 10 inside Virtual Box. Videos in a web browser can play fine. But when I download a video and try to play it, there are issues such as choppiness, no audio, audio out of sync, ...
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19 views

Remove a file after being opened in my USB flash drive

I want to have a specific video file to be removed after being played only once... assuming I have a video file in my flash drive called My_Video.mp4, whenever I play and finish this video I want it ...
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14 views

Webcam input won't work unless HD is set to enabled

Output when HD is not enabled I'm using a gopro like camera as a webcam due to inflated prices (SJCAM 5000x) and it is connected via USB. However unless the application supports HD video, the output ...
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2answers
80 views

Compare framewidth and frameheight in Windows explorer search

I am trying to sort a large group of videos (1700). I want to separate videos that have a width that is bigger than the height from videos that have a height bigger than the width. I found online the ...
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2answers
38 views

ffmpeg: recommend baseline options on bad results

I am running windows services to convert about 10k videos per year. Most of videos make no problem, but there are some videos where I didnt see the problem: Source Video Video after conversion => ...
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1answer
25 views

Damaged/Invalid MP4 repair

I have a MP4 that was downloaded from YouTube of a High School graduation, video since removed due to copyrighted music//blah blah. Anyways, the video plays with VLC but the audio and video are 2 ...
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14 views

Differing Web Cam frame rate with Different Video Call Software

I recently purchased a PAPALOOK Webcam 1080P Full HD PC (PA452). The webcam provides good picture quality and frame rate when used with skype, house party, and any recording software such as OBS or ...
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11 views

Can only see 10 days CCTV playback instead of normal 30 [closed]

We have a CCTV setup at my workplace and we use Videcon Software with Concept Pro NVR's (Model: VHDIPM-16V2) We have 3 NVR's with 16 cameras on each one. This issue we are having is that the ...
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19 views

How do I render a progressive waveform as a progress bar?

I'd like to take an mp3 file and convert it to an mp4 video with the waveform of the audio displayed as the image. According to the ffmpeg wiki, https://trac.ffmpeg.org/wiki/Waveform showwavespic ...
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22 views

How do I play a video using skinless vlc player on kali linux boot?

I want to be able to play a video using vlc in skinless made on boot or login. I have tried adding @reboot startx vlc --intf dummy --video-wallpaper --no-video-title-show "/home/gome/Videos/beep.mp4"...
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30 views

Batch search and copy multiple (movie) files to a single folder without overwriting files with the same name in the destination folder

I´m trying to create a batch file to separate movies from photos in a huge folder with subfolders. So I made this batch file to search movies formats in all subfoders after a given source and copy to ...
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1answer
39 views

How to losslessly concatenate videos with different timescale (tbn)?

ffmpeg or mencoder says that video files must be in the same fps, resolution and format to concatenate properly. Here is the output information about my two video files. What ffmpeg or mencoder ...
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18 views

Insert short videos into a long video with ffmpeg

I have 1 hour long video. and 1 video of 1 minute length. I want a minute long video to be added to the long video. repeat 8 minutes 1 time until the end of the video. When a short video is added, the ...
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1answer
53 views

Download the lowest quality video with youtube-dl

What's the command to download the least quality video with youtube-dl? youtube-dl -F shows format code extension resolution note mp4-56 mp4 audio only 56k , isom container, 0fps, ~...
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43 views

Corrupted video download [closed]

I'm using a video downloader on Chrome to download videos. It worked perfectly fine, but recently, when I try to download videos using that extension, the downloaded videos can't be opened in ...
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28 views

Why would video streaming buffer on one monitor but not the other?

Monitor 1: 1920x1080, 120Hz, ASUS VG248 Monitor 2: 1600x900, 60Hz, Spectre E20 When I play a youtube video on my main monitor it will endlessly buffer. If I scroll down to the comments so that only ...
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21 views

Monitor: DVI-D (Dual Link) PC: DVI-I (Dual Link)

I bought a DVI-D (Dual Link) wire because I was told it would work on a DVI-I (Dual Link). It doesn't fit. I am helping a family member remotely, but had them try multiple times. Should this be the ...
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1answer
29 views

Incrementally cutting a video using python? [closed]

I have a large 20 minute video that I would like to cut 3 frames, every 2 seconds from the video and then compile that video in to some sort of readable video format afterwards. I have an advanced ...
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29 views

ffmpeg: how to map best video & audio streams (only) and ALL subtitle streams

In ffmpeg, when I don't use the map option, it will automatically select the best streams which is excellent for me. This is good for video and audio streams, but as for the subtitles - I want all of ...
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1answer
60 views

Encrypting folders on an sd card

I bought a webcam you can use to take photos and videos in the normal way with the help of a micro SD card. Can the individual folders of this SD card (or even the entire SD card) be encrypted, or ...
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1answer
36 views

How do I change audio language using ffmpeg in video files contaning two or more audio tracks

I am transcoding video files, that contain 2 audio tracks - Polish and English. Unfortunately my transcoder messes somehow with metadata, and at the output, when I'm checking video file using ...
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66 views

FFMPEG Add thumbnail to my video in Windows 7

I wrote an ffmpeg command with the help of people here and know i am not far from finishing off this code. However, I need to add a line to add thumbnail to the video file so that it shows up when ...
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20 views

KM Player latest version issue. How to solve the issue?

I am using KM player for the past few years. Recently I have updated to latest version (2020.3.24.15) before that the old version which I was using had the option to "start playback in half size etc." ...
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86 views

I cannot play video DVDs on Fedora 32

I am not able to mount and play video DVDs on my HP ProBook 450 G2 laptop with Fedora 32 with the current KDE 5.18 as the desktop environment, since they do not get detected. Other kinds of DVDs work ...
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35 views

How do i create a script that plays a random video from a random folder over and over again?

So my little sister loves watching cartoons on my pc but she always wants me to change to another cartoon or another episode of that cartoon. It gets really annoying sometimes so is it possible to ...
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18 views

M3u8 videos ts files m4s file

I have a m3u8 Video it contains seg_1ts to seg_155 ts when I try to play main file it doesn't work and when I try to play .TS file individualy it is 4 seconds which is blurry or messy Is video ...
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1answer
80 views

PotPlayer Crashes when changing Audio Stream

I am trying to change the audio stream when watching a video in Daum PotPlayer. Only, as soon as I change the audio stream from the default to the alternative audio, the entire application becomes ...
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1answer
30 views

Why is my webcam not detected during a Skype video call?

When I open Skype, Settings->Audio and Video, I see my camera working, and I see the sample video from it. Yet as soon as I join a video call, then suddenly Skype says it can't detect a camera. Can ...
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0answers
31 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
57 views

Saving video to SD card while live streaming to YouTube using FFmpeg

I'm trying to set up a Raspberry Pi so that it live streams video to YouTube using the Raspberry Pi camera and also saves the video to the SD Card for backup, in case the internet gets disconnected. I ...
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2answers
73 views

Is there a convenient way to remotely watch a user's screen in real time?

A friend of mine is going to have a video conference in Google Meet. At this conference she will be given some information in the conference chat and shown some documents. I'm not a participant of the ...
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42 views

Re-Encoding of Video (mp4) to improve cutting accuracy

I'm trying right now to cut a video which was recorded with the Zoom-App. The results are pretty mixed. Sometimes I'm able to cut exactly, but the last video had a cut divergence of +/- 4 seconds, ...
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9 views

Synchronization issues when combining TS and ACC

I have downloaded formula1 races from the F1 TV website because I travel a lot and often have no connection to stream them on the road. The video was downloaded with a TS format and the audio was ...
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1answer
182 views

Encode command that will result in a specified file size

I am looking to create a batch file that will take a video file (either MP4 or MKV) and compress it to an MP4 file that will result in a specific size. Something like this where the video bitrate is ...
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1answer
79 views

Add a variable to a batch process

I'm using ffmpeg to rip some video files. I am looking to rip each video to a size of about 500 MB. To achieve this, I need the option to enter the video bitrate I choose for each individual file. ...
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28 views

Inadvertent audio delay added by ffmpeg when simply copying a possibility?

I am trying to convert some audio from lossless surround to a stereo setup based on this post: https://forums.plex.tv/t/sharing-some-ffmpeg-scripts-i-made-to-down-convert-audio-in-batch-as-well-a-...

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