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

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1answer
58 views

how to measure bitrate of video over time

Given an encoded video file with non-constant bitrate, how would one analyze the bitrate over time? So far I found one old program that produces a bitrate plot, but none that can give the raw data of ...
0
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3answers
113 views

How to prevent users from downloading videos?

We want to provide VOD service via http/https, but we dont want users download a video by finding out the url directly from the web player or using a developer plugin like firebug. We are told that ...
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3answers
44 views

Video (or audio, too) format that stores multiple languages in the same file, but only the parts that are different?

DVDs or similar often offer different dubs of the same movie, TV show, etc. on one disk. Storing a whole different video track (and audio track, too) for a movie seems a bit wasteful, given that the ...
3
votes
1answer
1k views

convert horizontal side by side to vertically stacked 3D video

I have seen this and this post explaining how to crop and stack videos using ffmpeg. My question is - is there an easy (preferably one step) way to turn a horizontally stacked video into a vertically ...
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1answer
109 views

x265: Is it possible to re-compress HEVC video without quality loss?

My situation: Transcoding 1080p bluray videos to HEVC. Audio untouched; My rig is old (pre-2012) and to speed up the process I'm using --preset ultrafast; From x265 documentation, I understand that ...
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1answer
34 views

Advertisement Video For App [closed]

I would like to build an advertisement video for my app similar to this one that Waze made: Any suggestions on what software I should use?
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0answers
39 views

Is there a way to cut a speech video into parts on silences automatically?

As an English teacher, and also a programmer, I've created a system of listening that works this way: I choose an interesting video full of speech. I manually cut it into peices based on slinces ...
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0answers
89 views

what softwares and techniques can be used to make videos similar to ByJu videos

ByJu Sample Video : How can we make videos similar to ByJu classes videos ? I am guessing they used adobe after effects, but how can we achieve the precision in ...
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1answer
84 views

How to split video into multiple files based on chapter markers?

Is there a way to automatically split a video into multiple files based on chapter markers? I don't want to re-encode the file, just a video/audio passthru. The source file is a MKV container, but I ...
1
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0answers
15 views

Selecting a Layer and Keyframes without using Marquee Tool in AE

If I have a layer with some keyframes like this: When I click on it, it highlights just the layer, obviously. My question is, how can I select the keyframes under it WITHOUT using the Marquee Tool: ...
0
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1answer
19 views

Draggable effect split screen

I want to know that draggable split-screen effect is used in the next video? j-query? Draggable interact split screen video Regards
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0answers
24 views

MP4 Creation for fast startup

I have transport stream source and recorded this with following ffmpeg command line. ffmpeg -y -fflags +igndts -i udp://127.0.0.1:22500 -map 0 -fflags +igndts -codec copy -bsf:a aac_adtstoasc ...
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1answer
27 views

Three Point Lighting on Green Screen

Ok - I have a 10' x 8' foot DIY green screen. Since I am newbie I have not yet purchased any lighting. I do have a set of circular reflectors, and a lightstand with a boom and clamps that I was ...
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0answers
70 views

Why is JWPlayer (6, 7) is unable to play certain MP4 video files after conversion?

I am converting videos (. -> .mp4 (h264) using handbrakeCLI command The conversion goes just fine and I can play the re-encoded video in windows media, VLC, real play etc. But the video is not ...
0
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1answer
432 views

FFmpeg/Avconv unable to copy subtitles; Unsupported codec?

I've got an mp4 file with these streams (avconv -i file.mp4 or ffmpeg -i file.mp4): Stream #0.0(eng): Audio: aac, 48000 Hz, stereo, fltp, 125 kb/s (default) Stream #0.1(eng): Audio: ac3, 48000 Hz, ...
1
vote
1answer
38 views

Software used to create such animations?

Check the video - https://youtu.be/uAyPXcYick0 I'd like to know which editor could I use to create such videos? I can get the flat icons, but how do I animate those? Are there presets for such ...
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0answers
136 views

How to stream video with delay

I need some kind of rtsp buffer to delay video. I have a live cam and i need to start recording video on some event. But I need 10-15 seconds before that event too. Idea is to read from camera, use ...
1
vote
1answer
36 views

Green Screen Streaming

I am a complete newbie when it comes to making videos. Just got a Canon VIXIA RF62, and built a DIY green screen. On the green screen I hope to place maps and other background images that I will point ...
1
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1answer
85 views

FFmpeg cuts video?

I'm trying to add an image to the start of a video. I don't want it to overwrite the video, I asked about it and got this answer: ffmpeg -r 30 -loop 1 -t 3 -i image.jpg -i inputvideo.mxf -f lavfi -t ...
1
vote
1answer
140 views

ffmpeg Cut a media preserving all streams but also all metadata, timecodes and everything else

Today I wanted to obtain a ts file cut preserving everything, so I tried with this command: ffmpeg -i "original.ts" -map 0 -c copy -t 00:30:0.0 -threads 1 "cutted.ts" The resulting file have ...
2
votes
2answers
40 views

How to create slideshow/video from still images using a varying point of interest?

I have still images of a motorcycle's odometer, taken by hand whilst riding (varying angles) over the course of a 20000km motorcycle journey (i.e. the odometer is not always centered in the still ...
2
votes
1answer
193 views

Can one edit a 360 degree video into a traditional video?

I just ordered a Theta S which should be released by the 30th of this month. I can not wait to start recording 360 videos. My question is, can I edit a 360 video into one of my non 360 videos? Just ...
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0answers
79 views

ffmpeg based JAVE video conversion taking a long time

I am using ffmpeg to convert videos to mp4 format in my application I have used JAVE and Xuggler for the same. My issue is that, video conversions are taking way too much of time. For example, a 50MB ...
0
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1answer
57 views

Any software with high quality vfx graphics? [closed]

I am planning to make my own movie and I need a software that produces high quality video graphics. I am new to this and am sorry if this is not the place to post this.
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1answer
90 views

ffmpeg: How to convert quicktime (iPhone) video to mp4 format?

I need to convert quicktime (.mov) video file recorded by iphone, into mp4 format using ffmpeg in php. I tried several commands but it did not work for me. I tried following command that converted ...
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0answers
49 views

Prevent VLC display a new window when choosing another video stream / angle

If you have a video with multiple video streams, let's say a mkv file with multiple video streams (or multiple video angles) VLC allows you to choose another stream like it does with subtitles and ...
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0answers
31 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 ...
1
vote
1answer
53 views

Adobe Premiere CS5 match sequence settings but change codec

So I have a flash video that I tried converting to MPEG4 (H.264) in Adobe Premiere. I simply copied the .flv clip and the created a new sequence by dragging the clip to the new item icon: I this ...
2
votes
1answer
86 views

Encode video for html5 and javascript controlled playback

I want to create something like Apples Mac Pro product page http://www.apple.com/de/mac-pro/ where html5 video playback is being controlled via javascript (by manually setting the currentTime ...
1
vote
1answer
46 views

DVD authoring burning

I am looking for a player that i can burn to a disk. I used to have this facility when i used DVDit le but lost the serial number. I was able to write video files to disk along with a player - thus ...
3
votes
2answers
86 views

How do youtube professionals record audio for their video?

If some professional has a video, and they want to do a voiceover for it, how do they do it? Do they first remove unwanted clips from video and then record audio using audacity while seeing the ...
4
votes
1answer
510 views

ffmpeg: overlay rotated video with transparency

I'm new to ffmpeg (video encoding in general). I have two videos one larger than the other. I want to rotate, resize and overlay the shorter video on the larger one at defined coordinates. So far, ...
3
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0answers
199 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 ...
1
vote
1answer
77 views

Predict file size of a Huffyuv codec video stream

I like to do many comparisons and check before picking a codec and selecting its settings. Settings with HuffYUV are few but more importantly I'm having trouble determining video file sizes. Given ...
2
votes
1answer
38 views

Adding annotation to existing video file

I an application demo video, I want to add annotations (Text notes, basic shapes etc) on already recorded video. Is there any free software available for that on Windows? I found some, but they work ...
2
votes
2answers
104 views

VLC Alternative for fine review media with possibly frames control and detailed codec informations

Some people around the web say that VLC is the cinderella of the video players, they say it make too much automatically picked video filters and conversions that not decode properly the media in the ...
3
votes
0answers
29 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 ...
1
vote
1answer
32 views

How to convert video to required codec?

I am trying to convert mp4 videos to match the codec requirement of Codec: XVID as per the attached picture. Can anyone advise how or what tool can be used? http://xomf.com/wkvgv Thanks
3
votes
4answers
45 views

What kind of external microphone can I use with my Galaxy smartphone?

I'm feeling a bit stupid. I want to make video podcasts using my Samsung Galaxy S3 but of course the internal mic isn't much good. So i need an external mic. Can I use pretty much any ...
3
votes
1answer
62 views

Does using component cable help improve video quality? [closed]

I have a standard definition (SD) set top box which has three jacks for its output(Red,white,yellow). I recently bought a Sony TV which has WXGA (1280x800) resolution and 5 jacks for input which has ...
1
vote
1answer
35 views

Which graphic card to buy [closed]

I have decided to buy a new pc for short videos rendering in after effects. I dont have a big budget, it's around 1000$. This is the thing i thought to buy, but i'm not really sure about graphic ...
1
vote
1answer
123 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 ...
2
votes
1answer
38 views

Looking for suggestions on workflow/equipment: daily production of short presentation videos

i am looking for any and all sort of suggestions on workflow and equipment, specifically camcorder choice. Case details: We are producing short videos every day. A person is standing in front ...
1
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0answers
30 views

GoPro4: Color shifts in video

I'm not sure where to put this question, but I think signal processing section is the best section to ask. So I am having a problem with my camera, apparently the filter color shifts to purple, then ...
1
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0answers
11 views

C4D image problems

I have added a custom image from the internet to a cylinder, and it shows up as normal when editing. However when I preview the render or render it out the image completely disappears and the cylinder ...
1
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1answer
42 views

How to create a 1h long WMV file from a repeated 1 minute WMV many times over?

What's the fastest way to do this? Is there a way I can just copy the file 60 times over without having to re-encode? It's a WMV file created with Expression Encoder.
4
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3answers
76 views

How to put this video effect of switching from one scene to another very rapidly?

In many music videos, for example in T.I. feat. Lil Wayne - Wit Me music video from 1:14 - 1:17, u can see the video effect where the video switches from one scene to another very, very rapidly, ...
4
votes
1answer
386 views

How to trim out black frames with ffmpeg on windows?

I have a short video and I'm trying to cut-out all the blank or near blank frames. This isn't a case where I care about the breaks in a video that could be dark. I literally want all near ...
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0answers
35 views

Vlcj gives “taglib meta writer error” when setting metadata on video file

I am using vlcj to write some metadata to video files to create a video library which could be sorted by title, date, artist, etc. When I am trying to save the metadata that I set to the file, the ...
1
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0answers
29 views

Most beginner-friendly free (windows) app to juxtapose three videos into a single one?

I want to make a video to highlight some differences between different iterations of a video game from different generations. I want to start off basic: top, middle and bottom of the frame features ...