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

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233 views

Is it possible in FFMPEG to change scale over time?

Ok, so using the overlay filter, one can change the x/y location of a video over time by using the "t" variable. For example, overlay=x='if(gte(t,2), -w+(t-2)*20, NAN)':y=0 can be used to start ...
3
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334 views

Embedded HD video looks fuzzy on full screen but fine at Vimeo

Any idea as to why an embedded HD video would get fuzzy at full screen, but looks fine at Vimeo using the same full screen icon. Using the full screen icon on the video player window on this ...
2
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116 views

Determining original resolution of an upscaled digital image?

It is believed that anime is made at resolutions below 1080p. most anime are [made in 720p]. Very few anime series are produced in native 1080p. Yet if anime is sold on Blu-Ray, it is ...
2
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159 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 ...
2
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0answers
260 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. ...
1
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26 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 ...
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0answers
6 views

Sony Vegas 12 Not Rendering Parts Of Video

Using Sony Vegas Pro 12 and i am rendering a video. However the rendered video hasn't got any audio and some video parts are black. I am using a some transitions and i am currently trying to fix the ...
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47 views

How to transcode HLS with multiple audio tracks

I am trying to create an HLS playlist with multiple audio streams. I have the following files: videoHD.mp4 videoSD.mp4 audioEN.mp4 audioFR.mp4 audioIT.mp4 How would I transmux these all together ...
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25 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 ...
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11 views

Hardware for exhibition video playback (long period) with timecode output

Not sure if this is the right place for such a question, but not able to find a more fitting place. I'm looking for some solid and simple video playback hardware, for playing video continously for a ...
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16 views

Problem with external playback on Canon SX50 HS Powershot

I have a Canon SX50 HS Powershot and recently I discovered that when I play videos on my SD card on my computer using the Windows Media Player, the video quality itself is much more pixelated and ...
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46 views

editing 4k and 3840 × 2160 video with a Mac pro1,1

I just got a Panasonic Gh4 camera and recorded some 4k footage with it. For editing I have a Mac pro1,1 (2007): Dual-Core Intel Xeon - 2,66 GHz NVIDIA GeForce 7300 GT - VRAM:32768 MB 15 GB memory ...
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30 views

Producing Video Lectures similar to Coursera/EDX

I would like to record video lectures using a light board scenario which is a transparent board on which one can draw as if one is drawing on the screen/camera itself. For those of you interested, ...
1
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0answers
10 views

AvsP - Frame sizes don't match

This is potentially the wrong exchange for this, but here goes. Trying to put scenes together in AvsP, and for some reason it isn't allowing me to splice, saying the frame size's don't match, even ...
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0answers
36 views

Equipment & Software for video bridge (video link) event

I need to create a portable setup for events built around a video bridge: The performer is abroad the audience & presenters are in-house The performer needs to see the audience & presenters ...
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44 views

Producing and streaming to a local Network

i'm facing the challenge of creating a "TV-Show". To understand why i do this i will explain it in detail, but summarize it in the end, for the ones who just want to know what my problem is. LONG ...
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216 views

How to render MP4 using After Effects Script with Adobe Media Encoder

I can add my composition to Adobe Media Encoder Queue using below command app.executeCommand(3800); Now how i can render it from Adobe Media Encoder using render command like this aerender ...
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47 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 ...
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218 views

FFMPEG Sync Audio & Video From Pi Camera & USB Microphone

Posted this in the Raspberry Pi community, but it got closed for being off topic. Reposting in the hopes that it is now in the right place. I am trying to stream low-quality audio & video from my ...
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442 views

How to find clip of video belongs to full video?

I want to check is there any way to compare portion of video(video clip) with full video? for example: if i have a particular video of scene in a movie and full movie video, how to check whether these ...
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41 views

How to remove a part of a moving object from a video?

I have a video in which I want to remove part of an object in every frame and then render the video again. I have tried photoshop and after effect. Both of them work somehow, but they degrade video ...
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449 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 ...
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211 views

ffmpeg-php with fixed width and height and without stretch or squish

Hi there I googled for hours but no success to solve... This code works for me exec("ffmpeg -i $SourcePath -ar 22050 -ab 32 -f wemp -vf scale=500x400,setdar=16:9 $uploadpath1 2>&1"); but ...
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0answers
64 views

Filter commentary from AC3 stream in MKV

a question from a a total non-expert in video/audio editing. I have an MKV file (let's call it X) which contains an AC3 file which has some constant and unnecessary (for me) comments for visually ...
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64 views

Choppy slide titles animation in Premiere

Look at what I mean: Youtube link Titles slide to the center all choppy, laggy, like they are skipping frames... I tried with better quality 1920 etc... but all that does is enlarge my picture which ...
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109 views

Kdenlive Render Effects

I'm using Kdenlive on Linux Mint 16, and I was finding that my keyframed "Box Blur" effect was significantly slowing down playback, and so I thought there might be a way to render the effects on a ...
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0answers
58 views

How Can I Eliminate Moiré With Blackmagic 2.5K?

Just picked up Blackmagic camera. Shooting in 2.5K for a series of interviews and experiencing excessive moire throughout all subjects. There are no obnoxious patterns on anyone, so I'm wondering ...
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80 views

How to create a video sequence made up of random frames in Final Cut Pro 7?

I am editing a music video in Final Cut Pro 7. I would like to create a random frame sequence, a flashing-frame effect to insert into the video. Any ideas on how to create it?
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60 views

What are the steps to apply filters to all my video clips in Corel Videostudio?

I am able to drop each each filter to each of the clip. But when I try - Select all clips - Drop a filter to the selections, it does not work as expected. Instead the filter gets applied only to ...
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46 views

How to derive surface measurements from video

EDIT: It's possible I should have just asked whether any digital video format included per-frame metadata. As asoundmove did here: ...
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0answers
599 views

Lossless Editing by Combining Clips with FFmpeg x264

My new Canon Vixia HF G30 video camera has an option to encode directly to 35 Mbit/sec Mp4 at 1080p60 and it does a nice job. I primarily use it to record my daughter's high school basketball games. ...
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748 views

High bitrate in AVCONV converted MPG file causes DVD reading problem

I convert AVI to MPEG with folowing command: avconv -i file.avi -c:v mpeg2video -b:v 6000k -c:a mp2 -b:a 384k file.mpg When the MPG file has been burned to DVD it is hard to read afterthat. The DVD ...
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27 views

Videomapping tutorials

Anybody knows how or where I can see tutorials about Videomapping? I searched a lot. Truthly, I found lots of info about Madmapper, Modul8, etc..., but I am looking for something fully awesoe, like ...
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330 views

Is it there a way to create a video playout system? (Preferably in Linux)

I am facing a situation caused by the need to start broadcasting in High Definition and there are a few Digital Automation/Playout Suppliers that offer excellent solutions such as Fission, Miranda, ...
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0answers
193 views

What export settings should I use in Premiere Pro for iBooks Author videos?

I've tried using Adobe Premiere to save a video for iBooks Author. The problem is that when I export my project as a mpeg2 file the quality of the video degrades a lot. I am using images to ...
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0answers
142 views

Can I Use Long Manfrotto QR Plates on a short head?

I've been considering whether to buy the 701HDV or the 502AH. I've pretty much settled on the 502AH for its superior drag quality, but one thing a lot of people do not consider is the type of Quick ...
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402 views

ffmpeg - convert video to iDevice format, replace sound with normalized WAV file, while maintaining the original video quality?

I'm using this command line to extract the audio $ffmpeg -i video.mkv -c:a pcm_s16le audio.wav this is its output ffmpeg version 1.0 Copyright (c) 2000-2012 the FFmpeg developers built on Oct 1 ...
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321 views

How do I assemble a Dynacam Flycam 5000 (AKA ProAim Flycam)?

I bought the Dynacam Flycam 5000 (also sold as ProAim Flycam, and probably some other no-name brands) in a local shop the other month. Unfortunately no assembly instructions at all were included so I ...
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72 views

Decoding and Using VITC?

Can any one give me more explanation on VITC? I need to identify the VITC code presented in the VBI signal. How does it's format work? how does one extract it? How are VITC embedded in a video signal? ...
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335 views

What are some simple video editor with Masking capability?

I want to focus faces of an image and move that focus to each of the faces one by one with a delay.The other area of the image should be hidden/blurred (btw this is called masking right?). Is there ...
0
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0answers
9 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]; ...
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25 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 ...
0
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0answers
41 views

Live streaming video feed from camcorder (canon vixia hf g30) to computer as low latency as possible?

I am trying to view live feed from my camcorder (Canon Vixia HF G30) on my computer as I adjust the zoom and pan and tilt from my computer. I need to see what my camera sees on my computer in ...
0
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0answers
10 views

What Is the Best Way to Clean Paint Off of a Movie Projector Screen?

Several years ago I purchased a movie projector screen (Da-Lite Video "B" series from the 1950s) from my alma mater along with a used modern projector. Both are working perfectly, however, the screen ...
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17 views

No Signal with SDI to HDMI Converter

So I am trying to connect 4 security cameras to a TV using a quad splitter. I am using one camera right now to test the connections. Here is my set up: I have a security camera with with an SDI ...
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0answers
14 views

FFmpeg : Check if the aac bitstream is malformed or not

I want to upload few sets of videos on my server and later play them in the HTML5 video tag. But some of them are not playing. I checked the audio stream and video stream of the video, they have AAC ...
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22 views

Getting inspiration for a first short film

I have a large amount of photo and video kit, and have always enjoyed casual photography and videography. I really want to make a short film, just for the sake of it, for the enjoyment of the ...
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0answers
9 views

Good way to let user choose the denouement of a video?

I built a little video using 3ds max and Maya. In this video, 3 little boxes appear on the screen horizontally. What I want is to let the user (in front of the screen) to swipe any of the boxes. ...
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36 views

Losing audio in re-encoding with ffmpeg

I have some DVDs I want to save MP4s from. The video files are VOB files. I can play them if I change the extension to .mp4, but I can't use the seek bar in Windows Media Player. Also, the files are ...
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0answers
8 views

NNeed to select a webcam that also has night-vision capability

Using computer vision for detection of nearby objects. Need a webcam with IR capability and good resolution so object detection will work in the dark. Presently using 'Logitech HD Pro Webcam C920'. ...