Questions tagged [video]

Video is the technology of electronically manipulating still images that represent motion.

348 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
8 votes
1 answer
4k views

Using ffmpeg to cut videos with more precision than key frames allow

I'm trying to cut a video (a debate on TV) with FFmpeg without re-encoding, and I need to cut between 2 sentences a guy pronounce. I think the precise moment is between two keyframes, because whatever ...
  • 181
6 votes
1 answer
1k views

Making a Digital clock with a specific time for Sony Vegas Platinum 12

I'm using Vegas Platinum 12 and I want to create a time code in a video. But here is the catch. I want to start the clock at a specific time and have the count start at that time, i.e 05:21:34 or 21:...
5 votes
2 answers
1k views

Is it feasible to create a true multi-language video file with visual localization?

I'm of Russian descent, but I've been living in Germany for the better part of my life now, which means that I deal with both German and Russian media on a regular basis. Most video stuff I have will ...
4 votes
1 answer
267 views

GoPro looping settings

I'm using my GoPro Hero3 White as a dashcam. Setting it to overwrite files, I encountered 2 strange things: 5min settings give me 1min files, and 20min settings give 5min files. The counter stops at ...
  • 41
3 votes
1 answer
49 views

How to reverse Ken burns effect?

If some videos created by other people have ken burns effect, is it possible for me to remove it and get static fullscreen view?
3 votes
1 answer
1k views

How to delete the very last frame of a video using ffmpeg / mencoder / transcode or any other?

I am trying to delete the very last frame of a video using ffmpeg / mencoder / transcode / or any other free linux application. Here is what I have so far, and it's only extracting it, it's not ...
  • 151
3 votes
0 answers
3k views

How to use ffmpeg to send video stream to another server that gives exactly same quality as manually copying the file to that server?

I tried doing this ffmpeg -i tcp://192.168.1.41:5000?listen -c copy out.avi and have another client publish to this server using ffmpeg -i 1.avi -map 0 -c copy -f mjpeg tcp://192.168.1.41:5000 ...
3 votes
0 answers
259 views

What's the use-case of the Video Snapshot function on Canon cameras?

While browsing the video settings on my Canon 77D, I came across a peculiar function: What is the Video Snapshot function? The Video Snapshot function enables you to shoot short scenes that last for ...
3 votes
2 answers
198 views

Video File Navigation

Is there any way to provide navigation in a video file like a DVD or Blu-Ray? I know that QuickTime supports Chapter Markers, but the codecs you can use with QuickTime result in very large files. As ...
3 votes
1 answer
85 views

Divide video ouput

I will soon be in charge of multiple screens for scene at a concert. Those screens are centralised and a video output will be give to me. I'am looking for a way to divide this video output into two ...
3 votes
0 answers
98 views

Video and Telemetrics not in sync

I've recorded a video with Raspberry Pis Camera Module. On top of that I've recorded GPS data including the GPS Timestamp and made my own data file. Using Dashware I've tried to get the video and ...
  • 131
3 votes
1 answer
307 views

Old webcam recorded video not playing

I have this video (length 1-2 min) recorded on Dell webcam 3-4 years ago. It played smoothly at that time. Now when I play it, for first 40 seconds it plays well but after that video goes blank and ...
  • 131
3 votes
0 answers
362 views

Is there a way? multiple images to looping video via ffmpeg?

I want to use ffmpeg to create a 15 second looping video from images for posting to instagram. For instance: Camera takes 3 pictures Each image plays for 2 frames (3 images = 6 frames) After 6 ...
2 votes
1 answer
201 views

Use ffmpeg to stream rawvideo from a USB camera

I have a image sensor that streams 640x480 in RAW8 format. A USB controller is receiving this data, packing two pixels of 8-bits each and sending to USB as a 16-bits per pixel YUV422 format (this is ...
  • 21
2 votes
0 answers
97 views

Trouble combining audio and video streams

I have two streams, one audio and the other video. I'm trying to combine them using this command: ffmpeg -y -i audio.m3u8 -i video.m3u8 -c copy Video.mp4 I found this syntax here: https://video....
  • 123
2 votes
0 answers
25 views

How do you edit videos to slide on and off the screen?

Hi I’m trying to edit a group of videos so that they continuously slide on and off the screen. I was wondering if there was a faster way to do this instead of individually adjusting the position key ...
2 votes
1 answer
1k views

How to find/detect the real video resolution?

Imagine you have recorded/captured the screen at 1080p, but it was displaying a 480p video maximized to fullscreen. The result file is technically 1080p, but it really is showing a 480p video, that is ...
  • 21
2 votes
0 answers
21 views

AE - Tracking in Comp different when played backwards?

I've come across a rather strange phenomenon in After-Effects. Here's what I have: I tracked some shaky footage and applied the tracked motion to a null. Then, a camera follows that null, thus ...
2 votes
1 answer
243 views

Davinci Resolve - Store Clips Edited in Cut Window in a Media Folder

I am working on a video project in DaVinci Resolve. It a short video documenting a piece of installation art. One of the media files is a handheld camera that takes close up shots of different parts ...
2 votes
0 answers
25 views

Name of old VHS content blocker device

I am not sure if this is the right network to ask this question but it's the closest I could find. An acquaintance of mine told me that, when he was a kid, they had some kind of content blocking ...
  • 121
2 votes
0 answers
599 views

Is QTGMC still the best deinterlacer?

From reading various video forums, QTGMC seems to have a reputation as being one of the best tools for deinterlacing video (at least from an open-source perspective), with Yadif in second place. Is ...
2 votes
2 answers
1k views

FFmpeg: Align Video & Audio of Desktop Capture

I am using FFmpeg's built-in gdigrab & dshow to record the display & audio of my system. I am encoding to uncompressed H.264/AVC video & uncompressed PCM/WAV audio. I had been having two ...
2 votes
0 answers
996 views

Extract file thumbnail from mp4 file

I'm currently converting a few mp4 file to mkv. In the process they lose their file thumbnails and I wanted to keep them. So I'm searching for a way to extract the custom thumbnails from the mp4 files ...
  • 21
2 votes
1 answer
352 views

Fade text background on one end in Sony Vegas Pro 13

In Sony Vegas Pro 13, I've masked the part where I want the text's black background to appear. It looks like this: Now, I want to fade one part of the background like in below picture, where right ...
2 votes
0 answers
150 views

Tripod Quick Release Video Pin Dimensions

I have an Industrial camera that I am working with and I want to mount it to a standard tripod that features a quick release with video pin; otherwise known as an anti rotation pin. While I wait for ...
2 votes
0 answers
1k views

Canon 800D "Movie digital IS" stabilization - cropping video shot?

I am new to DSLR video and wondering, how is actually working "Movie digital IS" stabilization of my Canon 800D. If you shoot video, there are 3 options of IS stabilization - no stabilization, IS ...
user avatar
2 votes
1 answer
210 views

Dealing with dropped frames in background plate when doing keyframe animation in After Effects

I am working on a video which includes some dropped frames ever so often. When a frame dropped, it repeated the previous frame sometimes 2 or 3 times. I am overlaying many objects on this video, and ...
2 votes
0 answers
931 views

FFmpeg Windows MP4 - remove specific frames

I have a movie - movie.mp4. I wish to remove/delete specific contiguous frames from movie.mp4 which are located somewhere near the middle. Specifically, total frames in movie.mp4 = 33,595. I would ...
2 votes
1 answer
1k views

ffmpeg: joining videos leads to "time skips" during playback

I hope that someone can help me. I have the following two videos: $ ffprobe 0.ts ffprobe version 3.2.4 Copyright (c) 2007-2017 the FFmpeg developers built with gcc 6.3.1 (GCC) 20170109 ...
2 votes
1 answer
18k views

how to get vdpau hardware acceleration using ffmpeg?

I am developing a multimedia player using ffmpeg. I am trying hard to get hardware acceleration through ffmpeg using vdpau hardware accelerator. I didn't get any success so far. Below I have mentioned ...
  • 216
2 votes
0 answers
691 views

Virtual webcam with MJPEG output

I have an very specific situation maybe someone can help with. The short story/question: Is there a virtual webcam software that can output as a virtual webcam in the motion JPEG (MJPEG) format? ...
  • 21
2 votes
0 answers
56 views

Realtime fulldome video splitting

I need to split fulldome video stream to several projectors for planetarium. I wrote hlsl (and glsl) shader which does exactly what I need and has some configurable parameters. It works in MPC:HC that ...
2 votes
0 answers
117 views

Genlocking 5-6 sj4000

I'm planning on buying 5-6 sj4000 and use them to create 360 images and videos. This is the oem sj400, not sjcam sj4000. Does anyone have an idea how to genlock to trigger them together. I've seen ...
user avatar
2 votes
0 answers
100 views

How to make batch ffmpeg with this codes?

How i batch render with ffmpeg with this code on windows? Codes work well. ffmpeg -y -loop 1 -i background_image.png -i mainmovie.mov -filter_complex "[0:v]setpts=PTS-STARTPTS[V1]; [1:v]setpts=PTS-...
2 votes
0 answers
4k views

Fast encoding with ffmpeg

I know about presets but faster presets lose the video quality. Are there any hardware requirements I need to consider? Or are there any settings that I need to tweak? And lastly where do I place the -...
  • 175
2 votes
0 answers
376 views

ffmpeg to cut intro and replace with new intro

I am using ffmpeg to cut out the intro in my video and replace it with a new intro. I run into a buffer underflow error when I try this. The commands I'm using are: ffmpeg -i LegalFinancialPlanning....
  • 21
2 votes
1 answer
10k views

Corrupted video (Green/pink) on Premiere Pro CS6 in Win8.1 Pro 64bit but not on Mac OS Yosemite

I have a volume license for Premier Pro CS6 whereby I can run it on Mac OS and Windows. When I run it on Windows, I get this: But on MacOS it is fine. The video is HDV 1440x1080i MPEG4 QuickTime. ...
2 votes
0 answers
963 views

Dxtory recording randomly crashing game

Whenever I try to record gameplay with Dxtory (using the h.264 codec) my game will crash after a seemingly random amount of time, although it is usually after at least 30 minutes. Dxtory produces no ...
2 votes
0 answers
383 views

avconv: How to blur scenes?

I want to blur some scenes with avconv The ffmpeg command -find it here- is: ffmpeg -i input.avi -vf "boxblur=enable='between(t,22,113)'" -codec:a copy output.avi doesn't work with avconv ...
  • 21
2 votes
0 answers
10k views

Using GoPro Studio to edit non-GoPro videos

I'm trying to use GoPro Studio to create a video that includes GoPro video as well as HD video from an iPhone. GoPro Studio was not able to deal with the .MOV file from the iPhone (the audio was ...
  • 181
2 votes
0 answers
547 views

What is a good wireless solution for video monitoring for BlackMagic Design Cinema Cameras?

We are looking for a video monitoring solution that is portable and used with the BlackMagic Design Camera. I found a link with devices that look great. http://blog.vincentlaforet.com/mygear/...
2 votes
1 answer
747 views

Play 24fps video smoothly on 50Hz monitor

Most of the content that we download or get from media is 24fps. Which can not play smoothly on 60Hz/50Hz monitor as 24 frame can not directly sync with 50/60Hz monitor. Now my question is it ...
1 vote
0 answers
15 views

MPEG-TS imprecise cut position on exact PTS, if cutting audio as well

good morning, after 1 month of research and attempts, still wondering the correct solution. I have frequently tv mpeg-ts (h264+aac) file to cut part from. I have a script to cut at exact times ...
1 vote
0 answers
9 views

Is the EF mount on the BMPCC 6k weak? If yes, how weak?

BACKGROUND / PROBLEM Hi, I plan on getting a Blackmagic Pocket Cinema Camera 6k g2 sometime soon, and don't know the physical limits of what the body of it can withstand. I've heard that EF lens ...
1 vote
0 answers
5 views

How to clip an image/layer like photoshop to an animation that has a transparent background in Premier pro?

Good day! I'm new to premiere pro, and here is my issue. I have an animation/sequence I'm currently compositing in premiere pro that has a transparent background and I forgot to add shadows on it, ...
  • 11
1 vote
1 answer
25 views

How do I add (layer) a .wav audio file to a ProRes 422 HQ .mxf video without re-encoding?

Here's the detailed info of the .mxf video General Complete name : D:\R-2180634-1250074380.jpeg-gigapixel-low_res-scale-2_00x.mxf Format : ...
1 vote
0 answers
30 views

ffmpeg drawtext + colorspectrum - background partly transparent only

I am currently working with the drawtext/alphamerge filters to have the text coloured with colorspectrum on a transparent background. While I have been trying many options, the closest I managed to ...
  • 11
1 vote
0 answers
148 views

Can I fix choppy video shot at wrong shutter speed?

I shot some video at 60fps with the intention of putting it in a 24fps timeline slowed down. (59.97 and 23.976 actually) Usually I shoot at a shutter speed of 1/125 for shots like this. I shot some at ...
1 vote
0 answers
239 views

FFMPEG concat two video together but one plays back in a slower speed

I am trying to concatenate two videos using FFMPEG concat. The second video plays a slower speed and loses it's audio, but not only that, the time elapsed counter in the windows video player also ...
1 vote
0 answers
27 views

Can MKV hold multiple images in sequence (i.e. slideshow?)

Everything I'm searching for is for people who want to have their album artwork incorporated into a video. What I'm asking is if MKV can hold multiple images in succession, i.e. for videos like this ...

1
2 3 4 5
7