All Questions

2
votes
0answers
73 views

Video codec for progressive enhancement

JPEG has a progressive enhancement mode where a full frame can be downloaded quickly at low quality, and then the quality enhanced as the file is continually loaded. (Example image from http://...
2
votes
0answers
5k views

Adobe Premiere Pro and Media Encoder crash on encoding

Well, I can't export anything, Premiere Pro or Media Encoder keep crashing. Crashes are quite unexpected, after several minutes or several hours, without any explanations: "Adobe [--] stopped working"...
2
votes
0answers
851 views

FFMpeg encode with original codec

I know about the -c copy switch with ffmpeg, but this does not work with filters as it means "don't re-encode". But what I want is to have my output use the same stream formats as my input. So if I ...
2
votes
0answers
3k views

Fade in and Fade out drawtext and drawbox ffmpeg

I am using FFmpeg on andriod and the following is the configuration : ffmpeg version 2.8.2 Copyright (c) 2000-2015 the FFmpeg developers built with Apple LLVM version 7.0.0 (clang-700.1.76) ...
2
votes
0answers
54 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
0answers
73 views

Final Cut pro X cropped output media

I've created simple 7 seconds clop which uses standard plugin for FCPX: "Bold Fin" title. While i am editing this clip - everything fits to the screen: but when actual file is ready - it seems like ...
2
votes
0answers
738 views

How can I convert the subtitle file format (.rtf to .vtt)?

Does anybody knows an easy way to create a .vtt (WEBVTT) subtitle file with an .rtf file? I don't want to have to type all the subtitles new to get the .vtt format! Is there an easy way to convert it?...
2
votes
0answers
1k views

Is there a simple explanation of x264 encoding parameters?

So, x264 is still the most popular (free) H.264 encoder out there. But it is also still considered ridiculously cryptic as well. There are tons of switches and options in the encoder that allow you to ...
2
votes
0answers
237 views

Problems occurred when importing subtitles into Sony DVD Architect

I'm new to Sony DVD Architect, I can't import subtitles into DVD-Arc even though the file extension is .sub. I used Subtitle Edit to save my original subtitle file(in .ass format) to DVDSubtitle(.sub) ...
2
votes
0answers
112 views

Moving video slices in timline in Sony Vegas

I am completely beginner in montage.. I started with sony vegas pro 13... my problem is : when I drag a slice of a video in timeline it return to its place automatically I mean that I can't change its ...
2
votes
0answers
32 views

Is it possible to automatically generate highlights from a video using sound?

I am looking to create an automatic highlight tool to generate highlights using sound, for example a sporting event would have an important part when there is a louder sound so, that part should be ...
2
votes
0answers
49 views

Can I use my phone's sensor to record movements for DSLR stabilization in post?

So I heard about this SteadXP which attaches to your camera to record movements for stabilization in post production. Is there any app for Android that can do the same thing?
2
votes
0answers
108 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 ...
2
votes
0answers
81 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
0answers
214 views

Why is audio generated by avconv choppy?

I am using avconv to generate an AV stream, and the video is perfect, but the audio is very choppy using iOS Safari. Can anyone tell me what is wrong with my audio stream that's causing this? When ...
2
votes
0answers
55 views

How to see encoding progress in Compressor 4.1.3

Is there really no way to see progress of an encoding job in Apple Compressor 4.1.3? I started a batch (single job, one file) and this is all I see: My fan is blowing at full speed so I guess ...
2
votes
0answers
310 views

Unexpected filtering result with multiple outputs

Video capture device cycling through 4 cameras every 4 seconds. Want to split the video into four streams to reduce the amount of key frames, save internet traffic and soothe the motion detector. ...
2
votes
0answers
174 views

How to convert a quicktime 3d model .mov format into multiple images

I've tried exporting 3d model lab into images sequence format after going through this below answer. exporting .mov vr to multiple still frames, but all I can see same image output with different ...
2
votes
0answers
29 views

Camera stabilisers compatible with shooting in portrait

We shoot all our videos in portrait using a Canon 5D camera. What is the best type of camera stabliser for this scenario? Most I've seen only cater for shots in "landscape".
2
votes
0answers
3k 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 -...
2
votes
0answers
247 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....
2
votes
0answers
75 views

Converting videos and time accuracy; pitfalls and solutions

I need to compress some videos about laboratory experiments which contain motions of some objects. Since in analysis time intervalls on the video are needed as accurate as the camera captured them, ...
2
votes
0answers
694 views

How to batch process videos through Deshaker in VirtualDub?

I've just set up the latest versions of VirtualDub and the Deshaker plugin (both 64-bit versions in Windows 8.1 64-bit), and was able to follow the official Deshaker instructions to stabilise a video. ...
2
votes
0answers
302 views

Real time document straighener similar to Microsoft Office Lens or CamScanner but for video?

Office lens straightens pictures of flat, boards very, very nicely. Here's an example. Let's say I am teaching a class and I want to record what I write on the whiteboard as I explain it. Is there ...
2
votes
0answers
67 views

Pentax K-R AE-L auto exposure lock not working manual and auto lens

I noticed a problem with my Pentax K-R video where the film is very grainy - I assume this is because it shoots with a high ISO setting which is set automatically. So, I want to manually set the ISO ...
2
votes
0answers
28 views

Delete clips from a video while retaining multiple audio tracks

I have some videos (MP4 or MPV format) that contain muliple language audio tracks (English, French and Spanish). I want to cut out some clips (usually 15-60 seconds at a time) that I feel are ...
2
votes
0answers
69 views

The sixth frame is a repeat of the fifth frame

I'm analysing a dashcam video clip (avi format) frame by frame. According to media information when I open this video file, the frame rate is 30 fps. However I noticed that every sixth frame is ...
2
votes
0answers
76 views

Adding effects to live video feed like subtitles

What software do you use to type in live subtitles to help translate a speaker while filming him...the subtitles would be outputted to a projector screen with the live video feed behind it
2
votes
0answers
253 views

HyperCam2 video out of sync, ffmpeg throws video out of bounds

I've recorded my over 2h presentation using HyperCam2 but output video is totally out of sync with audio. It looks like video is 2x faster than audio so I have 'Thanks for watching' slide in the ...
2
votes
0answers
86 views

what is the easiest way to put multiple seperate videos one after another in blender

i'm currently using blender on ubunutu for video editing. It's not that easy to drag videos and put it close to another, one by one when there are many separate videos. Is there any easy method to do ...
2
votes
0answers
145 views

Chroma key with cropped video on top and background images/videos with alpha blending

Check the following screenshot to understand what's my goal: I can't figure out how can I crop chroma key-recorded video, use a blend effect to make the chroma key part absolutely transparent (...
2
votes
0answers
540 views

Screencasts from quicktime are too large to share

I tend to take quite a lot of video screencasts to illustrate bugs and features to 3rd parties during web development projects. To achieve this is I use Quicktime on my Mac and then go to "File > ...
2
votes
0answers
659 views

Can you edit Apple ProRes in iMovie '11?

I have an older Mac Pro, and I am not able to run Final Cut Pro X because of graphics card limitations. However, because I have it installed, it seems like the codecs are present that are required ...
2
votes
0answers
340 views

recording multiple video feed with timecode/genlock in sync with motion capture system

So, I am looking into recording 2 HD video streams, as reference for our mocap studio. The thing is that I don't know much about video gear, and it must be fairly cheap. I have asked Vicon (mocap ...
2
votes
0answers
195 views

Capturing VHS tapes

I bought a Video-2-PC DIY Video Capture Kit which includes a copy of ArcSoft Showbiz 3.5, which I found to be too restrictive and low quality, and VirtualDub 1.9.11.0, which I eventually got to grips ...
2
votes
0answers
56 views

Bad yet good framerate after exporting through Media Encoder

Lately, I've been getting a weird issue with my Media Encoder exports. I usually import 2 files through After Affects CC: an "intro" one and the main movie, both at lossless quality, and export the ...
2
votes
0answers
567 views

Animating between mask paths in After Effects

This is a continuation of a previous question where I asked how to animate a waving flag drawn in Illustrator. I received a really useful answer from @poor and I've followed it as closely as I could ...
2
votes
0answers
540 views

Blu-Ray authoring on an Apple Mac

hope this is the right place for this query I am after some advice on authoring blu-ray discs on a Apple Mac, I normally use Apple DVD Studio Pro from the FCP studio package, but this does not offer ...
2
votes
0answers
287 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
0answers
350 views

Centered motion tracking with Mocha AE/Pro and After Effects?

I haven't been able to figure out yet how I get stabilized footage from mocha Pro to After Effects. I start a new project, import my footage and am able within mocha Pro to get a nice motion tracking ...
2
votes
0answers
948 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
0answers
341 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
votes
0answers
227 views

Framerate and timestamps in SubRip subtitles

I don't understand why the framerate of the video should affect timestamps in SubRip (*.srt) subtitles. If I am correct, when you convert a video from one framerate to another, the length of the ...
2
votes
0answers
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 ...
2
votes
0answers
540 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
0answers
264 views

Slow Premiere performance after Mavericks upgrade

After installing Mavericks, Premiere has slowed to a crawl. It seems to have the most trouble with AE comps imported through Dynamic Link. I believe this is related to the App Nap "feature", but ...
2
votes
0answers
104 views

Set ipad compatible thumbs for mp4 videos based on a frame of the video with command line

I have a directory of 100 mp4 files. All are working well on my ipad but most of them do not have a working thumb. I want to generate these thumbs with a command line command (on macosx) based on a ...
2
votes
0answers
106 views

What hardware should I get for a conversion farm for MXF => Prores

I currently use a mac pro for importing mxf files into FCP (equivalent to converting to prores, I believe) at about 3x realtime @29.97fps. I want to get a machine to run ffmpeg & do the ...
2
votes
0answers
220 views

TitleBox .seq2 animation files

I am using TitleBox for dynamic graphic animations. There are several was to play an animation in this tool, but the "safest" seems to be the internal "animation file" object, which comes with a tools ...
2
votes
0answers
585 views

MHL HDMI to HDMI

I have the Roku Stick which plugs directly into an MHL port. I have a TV without MHL (just normal HDMI) that I would like to try this on. My understanding is that I would need to introduce 5v at ...

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