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Questions tagged [video]

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

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6 views

concat video and images gives “Non-monotonous DTS in output stream” even with fps filter using ffmpeg

I need to concatenate one video and multiple images, and add audio: ffmpeg \ -i video.webm \ -framerate 1/4 \ -pattern_type glob \ -i "*.jpg" \ -i audio1.webm \ -i audio2.webm \ -i audio3.webm \ -...
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5 views

Stream Soundtracks to RTSP Site via ffmpeg continually & shuffle

I'm currently using Linux (raspian->debian) and noticed ffmpeg is pre-installed on this distro so I ask myself now: Is it actually possible to continually stream a playlist (or a folder if that's ...
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1answer
15 views

Extend video monitors

How can I extend video to have 2 different programs running on different screens on my dell inspiron 3847 with HD Graphics 4600? I have 2 monitors with VGA only inputs and PC has only 1 VGA, 1 HDMI ...
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0answers
15 views

Rendering a high-fps gif from a video with ffmpeg?

I've been at this for about an hour. I've extracted the frames from my clip and rendered the frames to a mp4 with no problem. The mp4 plays exactly like how I'd like my gif to play, but when using ...
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1answer
9 views

Dictate Drop-Frame Timecode In FFmpeg

trying to capture a capture card with FFmpeg at 60000/1001 (59.94) FPS. Everything seems to work fine until I drag the file into another program like Adobe Premiere, it can't seem to tell that the ...
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3answers
58 views

How can a USB drive cotaining video file be tested for malware?

I'm on a macBook Air running Mojave and I was given a USB drive containing video files (.mp4, .mkv, .avi) gotten using a torrent program. I don't know the original location of the files, and need a ...
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1answer
27 views

Choosing compression method and settings for mp4 files

I've got a hard drive filled up with videos, and want them to take up as little space as possible.   Video encoding: Around 20000 kbps datarate and bitrate 30 frames/second H.264 AVC Audio ...
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0answers
19 views

MPEG-4 (Base Media Version 2) codec on Debian for using Plex

i run an Plex Media Server, based on Debian 9.9.0. On this sever, are some File with MP42. Playing theese files on my Windows PC, works perfectly, but Playing theese files on the TV App doesnt Work. ...
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1answer
20 views

Hardware accelerated encoding using FFmpeg on Intel Atom based platform (UpBoard)

I am working with Intel UpBoard that has an Intel Atom CPU, and want to stream a video from a usb camera to a live stream service. Therefore I am running a h264 encoder that uses h264_qsv codec, which ...
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0answers
16 views

Windows 10: What could make my app faster/more stable when grabbing it

I've got a console application that connects a nRF bluetooth USB dongle and starts data notifications. It's a sample program packaged by Nordic (the dongle manufacturer), the code source is available ...
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0answers
17 views

Is it possible to accelerate my office's stream capture process?

Hoping someone has had experience with this roadblock. As a law office, one of our tasks is to capture court proceedings that were streamed within the last couple of days. This task is complicated by ...
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0answers
9 views

Excel sometimes display garbage during F2

I have fairly large Excel sheets under Excel 2016. Lately, I have noticed that sometimes when editing cell (F2), the formula on top left of screen is showing correct like =SUM(xxx:yyy), but on the ...
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0answers
21 views

OSMC automatic video looper issue

I am having tough time figuring this out. I would like to achieve the following: When I launch my raspberry pi 3 (running OSMC player) to start running a video and loop it forever. No menu, no nothing,...
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1answer
25 views

How do I convert an MKV file to MP4 that has two audio streams and I only need one of them with ffmpeg?

The command I usually use in case of single audio stream mkv files to convert them to mp4 is: ffmpeg -i location of mkv file\movie.mkv -c copy location of my usb stick\blablabla.mp4` But when I did ...
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2answers
45 views

Recording window application [Linux]

I want to record a certain program window via FFMPEG, but x11 can't capture window. Is there some way to do it on Linux? On Windows I can do this: ffmpeg -f gdigrab -framerate 30 -i title="System ...
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0answers
47 views

How to add zoom transition effects using FFmpeg to a variable number of images?

How can I add add zoom transition effects using FFmpeg to a variable number of images? I am able to create video from a variable number of images but I am not sure how to add zoom in and out ...
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1answer
38 views

Does it matter how you order your filtergraph in ffmpeg?

I recently created an ffmpeg script that takes two groups of three videos each, runs them together in their groups first, then vertically stacks them, while keeping audio for the first group only. ...
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0answers
18 views

How to download HD version of Facebook video(2019)? [closed]

I have tried almost methods online, but I have got in the end are usually standard quality videos. The video I want to download is here https://www.facebook.com/iclr.cc/videos/534780673594799/?t=8. I ...
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0answers
8 views

VibeJS / VideoJS: VIDEOJS: ERROR: TypeError: Cannot read property 'currentResolution' of null [closed]

I have the following problem: VAST ads in my VibeJS (MediaVibe 6.33) installation don't work properly. This is the error message: video.js:1 VIDEOJS: ERROR: TypeError: Cannot read property '...
0
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1answer
44 views

How to Play 2 Videos synchronized fullscreen on 2 Monitors?

I want to play 2 Synchronized Videos on 2 Monitors in fullscreen mode. I know about opening multiple files with vlc, but they are not really synchronized meaning if I stop one the other continues ...
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0answers
23 views

FFmepg - how can i extract scenes from a video

How can i extract a burst of scene from the whole video. No matter what the length of the video is, i want 2 seconds of every 20% of length of the video.
2
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1answer
44 views

FFmpeg concat demuxer cuts are wildly inacurate, even for raw audio

I'm struggling with the ffmpeg concat demuxer. Say I have two files: ones.wav and zeros.wav. They both are 5 second long, in ones.wav all samples are 1 and in zeros.wav all samples are 0. Both files'...
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0answers
17 views

Avoiding blocky output on ffmpeg live stream

I am new to ffmpeg and tvheadend. However, I would like to create a live TV stream using ffmpeg and tvheadend. From tvheadend, I can view the different tv channels - however, they stop working after ...
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0answers
9 views

Audio level in video different between Mac players and other players

I ripped a dvd of a family event using HandBrake, and increased the gain setting to maximum since the audio on the dvd was extremely quiet. Now when I play the resulting m4v on iTunes, Quicktime, or ...
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0answers
42 views

FFMPEG - Encoding video changes sounds and subtitles tracks names, and make them invisible for SmartTV / Chromecast

First of all, I'm not sure this is the right place for such question. Please let me know if I'm wrong. INTRODUCTION: I'm regularly recording movies on french channels, via a functionality of my NAS. ...
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0answers
31 views

How do I output a video that is over 600 fps on FFmpeg?

I have two videos that I want to concatenate, one is 29.97 fps and the other is 30.41 fps. I'm trying to make it look perfect by making the frame rate 91138.77 fps, but it can only go up to 600 fps. ...
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0answers
23 views

Stream multiple RTSP streams to Virtual webcam

I'm looking for a way to receive multiple RTSP streams (from IP cameras) and then send them to virtual webcam. I looked on the web for a solution, and I found that it's possible to create a virtual ...
3
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0answers
59 views

How to disable picture-in-picture in Firefox?

Last month, probably in Firefox 66, a new feature showed up - picture in picture video. Now when I exit a YouTube tab playing a video and go somewhere else on the website, the previous video hangs in ...
0
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1answer
36 views

Lossless (or close to) mkv to mp4 conversion with burning subtitles

I'm new to ffmpeg, sorry if this was asked before already but I can't find the exact solution I'm looking for. So I have a 250MB .mkv file with subs And I want to turn it into a .mp4 file with ...
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0answers
9 views

Resolve turns video pink after importing

I want to import a video (mp4, ) into DaVivi Resolve 16. PLaying it with VLC Media Player it looks normal but in Resolve skincolor becomes pink and shadows become greenish(enter image description ...
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0answers
29 views

Ffmpeg creating video with incorrect duration

My input file and output files have different durations even though I am only adding rotation metadata to my file. Why is ffmpeg creating a different duration for the file? ffprobe output of input ...
0
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1answer
28 views

Random YouTube videos almost cause system halt with lag in Chromium on Debian 9.8 i686

Random YouTube videos almost cause system halt with lag in Chromium on Debian 9.8 i686. Drivers and web browser seem up to date. Most YouTube videos, for example this video plays with no issues ...
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0answers
19 views

How to watermark all files in folder with ffmpeg? in windows

when I use for %%a in ("*.mp4") do ffmpeg -i "%%a" -i watermark-image.png -filter_complex "overlay=(main_w-overlay_w)/2:(main_h-overlay_h)/2" -codec:a copy "newfiles\%%~na.mp4" pause i makes all the ...
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0answers
11 views

Can I use an external camera with my tablet to stream video and take pictures?

I would like to know how to install and use an external camera with my tablet. I know my tablet is not very new, but it still works decent and has been very durable, it works pretty good for the ...
0
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1answer
32 views

How to achieve a fast encoding speed from H.265 to H.264 using FFmpeg?

So I'm pretty new to video encoding and I'm currently using FFmpeg to change the encoding of a video from H.265 to H.264 so it's suitable for the web. The current syntax of the command I'm running is ...
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0answers
50 views

How to record video (1080p 30fps) from raspberry pi camera and stream the 'recording in progress' file simultaneously?

The objective I am trying to achieve is streaming 1080p video from Raspberry pi camera and record the video simultaneously. I tried recording the http streaming as source but didn't work on 30fps. A ...
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0answers
22 views

“MP4” files unreadable in TV/Video players but readable in my PC and phone

I download series(.mp4 files) with my phone and copy them into the USB flash memory using OTG adapter and see them in the TV or the video player. But this week I downloaded 3 files as always but got ...
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0answers
16 views

ffmpeg pipe from Openframeworks OFXVideoRecord, frame= fps= q= size= even when done until i kill Xcode process 2nd time

I am using OFXVideoRecord and hacking it for offline video recording: execThread: starting command: bash --login -c 'ffmpeg -y -i ../../../data/beat.wav -r 30 -s 1280x720 -f rawvideo -pix_fmt rgb24 -...
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0answers
29 views

How can I blur the background in Skype?

How can I blur the background in Skype? I read on https://www.ultimatepocket.com/skypes-cool-useful-background-blurring-feature-goes-live-for-the-pc-and-mac (mirror): [blurring the background is] ...
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1answer
44 views

ffmpeg to get an HEVC RTSP stream into an mkv container

I'm trying to copy an hevc video from an RTSP feed into an mkv container. This works: rtsp(hevc) -> out.hevc then out.hevc -> out.mkv This doesn't work rtsp(hevc) -> out.mkv Working below: ...
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0answers
31 views

Command to find and output the codecs of all videos in a directory tree

I have a large digital movie collection, and I've been trying to come up with a way to determine what codecs make up each video in the collection, and then output this information to a file along with ...
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0answers
29 views

ffmpeg as rtsp server with authentication is not working

Here is the scenario . I want to use ffmpeg as rtsp server and I start ffmpeg to listen for connections like so ffmpeg -loglevel debug -listen 1 -i rtmp://admin:admin@0.0.0.0:8888/live out.m3u8 ...
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1answer
38 views

Will I get video from the motherboard if the CPU doesn't have a GPU [closed]

Old motherboards like M4A88 series have an integrated video but the current ones have the connectors like HDMI and or DVI but Does them have an integrated video or those connectors only works if the ...
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1answer
26 views

ffmpeg thumbnail not added and filesize increased too much after using -disposition option

I'm trying to add a thumbnail to a video. So i used -disposition option Here's the full command I used ffmpeg -i <video1> -i thumb.png -map 0:0 -map 0:1 -map 1 -c:v:1 png -disposition:v:1 ...
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0answers
52 views

convert mpg files to mp4 with ffmpeg

I'm using acrosoft totalmedia for recording tv programs. software records videos as .mpg so when I can not edit files via ffmpeg. for example when i try to convert file to mp4 ffmpeg show me this ...
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votes
1answer
15 views

How to extract all tracks from a DVD movie

I have a DVD movie that contains special features. I'd like to extract everything from the DVD in question as individual items - the special features in particular, but also audio tracks, subtitle ...
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0answers
21 views

Wrong frame rate and metadata when saving RTSP stream to file

I use VLC to save a RTSP stream from IP camera to mp4 file. In Convert/Save dialog, I choose + Encapsulation: MP4/MOV + Video codec: Keep original video track (not using transcode) VLC has saved ...
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1answer
26 views

Offset ffprobe when outputting frame data

I've successfully managed to extract OCR data from frames using ffprobe with the following command: ffprobe -loglevel quiet -hide_banner -select_streams v:0 -show_entries frame_tags=lavfi.ocr.text -f ...
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2answers
32 views

Is there a way to stream a video stored on my PC to my laptop?

I have a collection of .mkv files stored on my PC's hard drive that I'd like to watch on my laptop (without having to transfer any files) so I can keep working on my PC while watching them. Both are ...
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0answers
18 views

How to detect Intervals of Frozen Videos [duplicate]

I'm trying to detect intervals where a given video is frozen. Looking at a related post here, apparently FFmpeg has a filter named freezedetect which exactly does this. But the post had no accepted ...