Questions tagged [video]
Questions about video editing, streaming, conversion, capturing or video output. Use a more specific tag if possible.
6,229
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How do you create an ffmpeg lossless image without re-encoding?
I'm using the command below but not sure if it’s really lossless and without re-encoding? Is there specific command to create lossless image and without re-encoding? I'm new to this.
ffmpeg -lavfi &...
- 1,358
2
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1
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106
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What a correct playlist.m3u8 should contain, or should look like?
24/06/2024: [Presentation of the problem]
I had dowloaded some videos from the Internet, few years ago.
I obtained many files:
a series of files in .ts
a single file playlist.m3u8
In my example:
A ...
- 381
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3
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49
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How can I make three 10TB external hard drives act as one 30TB hard drive?
I have a huge collection of videos I am using for a book. I have over 30TB of data. When I am searching for and downloading new videos for my research, it is a huge benefit for me if I do not download ...
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How to solve a final pb when merging a series of .ts file with concat command of FFmpeg?
I had dowloaded some videos from the Internet, feaw years ago…
I obtained many files: a series of files in .ts
In my example: a series of 306 files named from segment1_4_av.ts to segment306_4_av.ts
A ...
- 57
8
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1
answer
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Using ffmpeg + MPDecimate to get rid of exact duplicate frames (i.e. losslessly)
According to the documentation, mpdecimate will "Drop frames that do not differ greatly from the previous frame in order to reduce frame rate."
I would like to be able to remove only exact ...
CommunityBot
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3
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1
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4k
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How to insert multi-colored text within Vegas Pro 13?
I am trying to make a simple text frame with two different colored text segments, but I cannot seem to be able to do it.
I insert the first color fine, but if I change the color for the next section ...
CommunityBot
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1
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My Telegram videos goes as files instead of media
When I receive a video on Telegram it's playable and I can see instantly a thumb of it.
However, when I send a video it goes as a file and not a media, showing only the file name.
Yes, I do press to ...
CommunityBot
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1
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6k
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How to convert 4K .mkv to .mp4 for YouTube
I want to convert small clips of a 4K movie to .mp4 without losing quality so I can upload them to YouTube. Loading a whole movie into Premiere Pro and then cutting it at exact points is already a ...
CommunityBot
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1
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3
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8k
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Solution for choppy video because of bit-rate too high?
When I play a 1080p 10bit-depth video with VLC-player, the video goes choppy and even freezes.
I'm using Dell Inspiron 1525 and VLC 2.1.2.
Windows Vista Home Premium.
Mobile Intel(R) 965 Express ...
- 6,685
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Is there a way to use Intel QSV to have hwaccelerated tone mapping in ffmpeg?
Currently I am trying ffmpeg -hwaccel qsv -hwaccel_output_format qsv -i "Z://Movies/Luca/Luca.mkv" -vf 'hwdownload,format=p010,zscale=transfer=linear,tonemap=hable,zscale=transfer=bt709,...
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1
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4k
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FFMPEG transcoding failing on cur_dts is invalid
I'm transcoding RTMP input from NGINX ingesting server to UDP TS stream h264 & mp2 with ffmpeg and SW enconder libx264. From time to time, transcoding process hang on the initialization and don't ...
CommunityBot
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1
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1
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Video-Codecs in Chromium missing
I use a Version 81.0.4032.0 (Entwickler-Build) (64-Bit) Chromium Browser on my Windows 10 computer.
On Facebook Videos and some Gifs are not running. So I opened the Console and found this logs:
...
CommunityBot
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11
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Avidemux loads vertical video in horizontal orientation
I have recorded a video while holding phone vertically. It opens vertically on phone, as well as on PC, in VLC. However, when I load it in Avidemux it rotates the video to horizontal aspect rate.
I ...
- 241
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How do I prevent an extended frame when suspending and resuming an ffmpeg process?
I have a c# application where I have control of an ffmpeg (https://www.ffmpeg.org/) process. I am using it to capture video and audio, either from desktop or webcam. I am using code similar to the ...
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2
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22k
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How to download video with JW Player blob url?
I am looking for a solution for downloading videos embedded using JW Player Blobs in web pages.
I have seen some answers for twitter/vimeo/other blob situations but not seen an answer to JW Player ...
CommunityBot
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3
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14k
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Make Plex use TVDB "Alternate Order" for TV series, combining segments into a single episode
I'm setting up a Plex server on a computer on my home network to serve some old children's shows and cartoons for my kids. Kids shows are often broken up into several short named "segments" ...
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2
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2k
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FFmpeg incorrect colourspace with hardcoded subtitles
Problem
I have a MKV file which has 1 video and 1 subtitle stream, of which I want to hardcode the subtitle stream and output a MP4 file.
Example file, images and results can be found here.
mediainfo
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- 305
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1
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162
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Windows 10 - Movies&TV app doesn't play videos, Groove doesn't play music
Sorry if this sounds insane, but I've been trying to research this issue for over a month with no results, either the answers I get are from microsoft saying to "reinstall the app" (done ...
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1
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Windows 7 PC going to sleep while streaming video in web browser
This odd behavior just started happening on my Windows 7-based HTPC in the last couple of weeks. Whenever I'm watching video in my web browser (both Firefox and Chrome), the sleep setting of the PC ...
0
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1
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61
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To cut and download part of video from vk.com
I try to cut and download part of an online video from vk.com, using yt-dlp and ffmpeg, in one step.
I tried
ffmpeg $(yt-dlp -g 'https://vk.com/video302700968_456241462' | sed 's/^/-ss 05:00 -i /') -...
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How to use ffmpeg to save video and audio streams to a file in Linux
My computer is Linux OS, and now I have a USB HDMI capture card, the chip is ms2109, it is compatible with UVC, you can think of it as a webcam.
I tried to use obs to do this work, but obs does not ...
CommunityBot
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2
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4
answers
9k
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Extracting frame timestamp (PTS) and seting it as a file name
I have a video file that lasts 9.3s and was recorded at FPS=10. I would like to use FFMPEG in order to extract frames from this video at arbitrary FPS (e.g. FPS=3). Example command:
ffmpeg -i input....
- 119
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1
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51
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Extracting a single screenshot from every video file in a folder with the file name embedded on the image
I would like to extract a single screenshot from every video file in a folder with the file name embedded in the screenshot, in Windows. Like this:
File: Coherence.mkv
Screenshot:
Result:
How can I ...
- 3,639
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0
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45
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How to randomly zoom video with a Batch script?
I deal with the processing and uniqueness of 9:16 videos.
I need to make the video take on a random zoom value to increase it in scale and crop it accordingly at the edges.
I need to make a random ...
- 56k
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2
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96
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Removing a segment from the middle in ffmpeg
Say I want to remove the part between second 60 and the second 200:
file video
outpoint 60
file video
inpoint 200
then running the ffmpeg concat command:
ffmpeg -f concat -i input.txt -c copy output....
- 402
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1
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32
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Allow streaming only first or random frames of video but allow full download
I have a server on a Raspberry Pi 5 (8 GB of RAM btw). I have Nginx on it that allows me and others to watch my videos through a nice site. Though through trial and various errors, I found out I can't ...
- 133
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What lightweight editing program can I use to bulk change default audio tracks and merge multiple videos into one? MKVToolNix is not suitable [closed]
**Hello. I have many folders (each 1-40 GB) where there are many videos of different sizes .mp4 or .mkv.. What LIGHTWEIGHT video
editing programs are there where I can upload a lot of videos and
have ...
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0
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34
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Video width&height is horizontal but video frames are vertical. How to fix it with ffmpeg?
I have a video, that when checked with ffmpeg/ffprobe shows a horizontal aspect ratio.
ffprobe.exe my_video.mp4 -show_streams -of json
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'my_video.mp4':
...
- 113
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8
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Rendundant (?) conversion from RGBx to RGBA gstreamer
I'm trying to record my screen using gstreamer and encode its output to h264. Screen recording on Xorg with ximagesrc has BGRx as the available color output. However, nvh264enc only supports BGRA as ...
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4
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1
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5k
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Converting OpenOffice Impress presentation to video without screen recording
How can I convert an OpenOffice Impress presentation to a video without setting up a screen recording? The goal is to have a server that produces an MPEG stream with the presentation. I want to avoid ...
- 107
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1
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11k
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How to open Video file in Fullscreen when login
I have a Video (avi) file that i want to open in fullscreen automaticly when i login.
I thought about login script or even small software for this.
Any suggestions?
CommunityBot
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How can I remove every nth frame from raw video using ffmpeg?
I have many cine films that have been digitally converted. They have been converted as a 25 fps with 2 frames in every 23 duplicated. I need to remove the duplicated frames using a bitstream filter so ...
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44
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Ffmpeg webm YouTube settings command
Is there a .webm still image command in ffmpeg that is best compatible with YouTube I’m currently using:
ffmpeg -loop 1 -framerate 2 -i input.png -i audio.m4a -c:v libx264 -preset medium -tune ...
- 18.1k
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320
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Youtube viewport bigger than real display size
When checking "Stats for nerds" on Youtube:
When in fullscreen it shows the viewport as 2400x1350 while my monitor is 1920x1080. How can the viewport be bigger than the monitor resolution?
...
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0
answers
8
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Powerpoint - Video Background - Across Slides
I have a custom background that I designed that has our logo w/ subtle animation, I have it saved as a MP4 Video File. I added it to the slide master and set it to autoplay.
It looks great but when I ...
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1
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5k
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How to use ffmpeg to add 3D metadata to a SBS Full Frame video without reencoding?
Ok so, I've been searching around for how to do this, but I've had no luck.
I have an SBS Full Frame 3D MP4 that is 648x720p per eye (1296x720p "raw" resolution). I want to use ffmpeg to add metadata ...
CommunityBot
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What is Variable Frame rate?
Variable frame rate (or VFR) is a term in video compression for a
feature supported by some container formats which allows for the frame
rate to change actively during video playback, or to drop ...
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2
answers
4k
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Using openRTSP to record from Eufy Cam 2 Pro
I have a couple of Eufy Cam 2 Pros. I want to record the RTSP streams to my NAS.
I have tried the built-in NAS service, which only works with synology, as well as many open source video recording ...
CommunityBot
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1
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90
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Trimming a video using FFmpeg leads to black screen
I try to figure out how to use FFmpeg to trim videos. I have created a 30 second .mov screen capture using Apple's QuickTime player, and then tried to trim it using three different ways:
Using -...
- 402
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1
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FFmpeg w/ V4L2 for virtual webcam on Linux that crops, filters real uvc webcam
Wondering if it would be possible to use ffmpeg w/ v4l2 support (on say Ubuntu Linux) to create a virtual webcam device, that presents a transformed version of real webcam's output. The idea would be ...
- 230k
1
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0
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65
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Take Screenshot/snapshot from .ts file
I need to take a screenshot/snapshot from .ts files.
Currently using the command:
ffmpeg -ss 00:06:05.6710000 -i input.ts -frames:v 1 -q:v 1 output.jpeg
This works fine for .mp4 files, but for .ts ...
- 42.3k
1
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1
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170
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Cutting a part from a video: Should '-ss' be before 'i' or after?
Let's say I need to remove everything but the second minute from a video.
I can do this, for example, in the following way:
ffmpeg -copyts -ss <start> -i input.mp4 -to <end> -c:v libx264 -...
- 8,129
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11k
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How to remove the title property of an avi video
There has been a similar question asked, but the answer does not work for my situation. I have a .avi video which has the title of Video_DVD. This is not the correct title of the video and does not ...
CommunityBot
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2
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2
answers
5k
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H.265 and Opus in Mp4 container - is it possible?
I have an MKV file with HEVC video and OPUS audio. It plays great in all players. The problem is that I need it to be streamable. When VLC plays an MKV from the web, it first downloads it and then ...
CommunityBot
- 1
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8
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ffmpeg does not exit when pipe is closed? [migrated]
If this has already been brought up, I apologize. This is part of a software tuner package I am writing as a POC. It is used by Plex Media Server. For the most part, it works with good picture quality ...
- 158k
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3
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22k
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What happens when I display 1080p video on a 720 resolution setting?
This one puzzles me, and I'm looking for a very technical answer.
Say I'm on YouTube and I chose 1080p for the video resolution.
However, my screen's resolution is 1280x720.
This means I'm displaying ...
14
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5
answers
27k
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Skipping parts of a video that contains adult content
I want to watch a video with my family, but it has a few bits of adult content.
Is there any VLC setting or extension that can be used to skip predefined part of a video. Or may be some hack like ...
- 89
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1
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4k
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How can I overlay dynamic text on a video during playback?
I am using a spare linux (Ubuntu 10.04) box (os is non-negotiable) to playback videos while riding on a bike trainer. Additionally, I have a bluetooth heart monitor and I'd like to display my realtime ...
CommunityBot
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9
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0
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4k
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Injecting 360 video metadata with ffmpeg
I'm working on a library that injects/embeds/writes metadata into a .mp4 file to allow the video to be displayed correctly as a 360 video. The input file is a standard .mp4 file in the equirectangular ...
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2
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1
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3k
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Is there a tool for broadcasting a video from the Linux framebuffer? [closed]
I'd like to show a Linux installation process in real-time, by broadcasting a video (a livestream like the ones you can see on twitch.tv and other similar sites).
I know it's possible to take ...
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