5
votes
1answer
711 views

Blur effects on a transparent background leaves a black ghosting effect

If I add a simple UV sphere that emits white light, and in the compositor add a Fast Gaussian blur effect, then when viewing on a transparent background there is a noticeable black halo around the ...
5
votes
1answer
525 views

QoS for video streaming

What are the most used metrics to evaluate the QoS of a video streaming session? I am looking for tutorials, papers, lecture notes, ppt, anything of that kind, or your own answer.
5
votes
1answer
158 views

Switching and Cutting Video and Audio Items Separately

In the Final Cut Pro 7 manual is explained how to switch and cut video and audio items separately. At the end, it says: However, independently switching video or audio angles breaks linking ...
5
votes
0answers
149 views

Trying to sync audio in mpeg2 video whose video freezes first 8 seconds in playback

So I have a handful of old mpeg2 (.mpg) files with the following profiles as provided by ffmpeg (the timecodes on each are different): Stream #0:0(eng): Video: mpeg4 (Advanced Simple Profile) (mp4v / ...
5
votes
2answers
328 views

Do any iOS video apps record in log color space?

Is there an app for iPhone or iPad that will let me record log color space video? It seems like with such an abundance of instagram-ish "filter" apps, developers probably have access to raw sensor ...
5
votes
1answer
644 views

How to capture DVB-T using a generic RTL2832U USB stick on a mac

Is there a way to capture DVB-T video using a generic USB DVB-T dongle on a mac? I've read many examples of people using VLC on Linux/PCs, but can't see any generic drivers on Mac OSX?
5
votes
2answers
369 views

Is there a good collection of examples of the different type of video cuts?

So I'm a beginner when it comes to video editing, but I hear and read about a lot of different types of cuts between clips, e.g. jump cut, smash cut, etc. I always felt it would be great to just see ...
4
votes
5answers
4k views

How to create and film ghost special effects

I need to film a piece that is supernatural in nature and has several characters that are ghosts. I've thought of numerous ways of accomplishing this but would like some suggestions on which would be ...
4
votes
3answers
2k views

Why more than 10 FPS is needed

As we know that out brain can process at most 1/10th of a second then why we go beyond the 10 FPS as our brain should not be able to process more than the 10 FPS of a scene. whats is the logic behind ...
4
votes
5answers
1k views

Non-Linear Video Editor for Free or Cheap That Does These Things

Background I bought a couple of handicams 6 months ago, and have since then been making videos and editing them and publishing them. http://www.youtube.com/user/Sathyaish Over the period, I have ...
4
votes
4answers
108 views

Would it be legal to use Cott-produced, generic beverages in a film?

Walmart sells a line of beverages manufactured by Cott with very generic labelling, for example: Cott Grape soda image Since these drinks bear no brand name, I know there are no trademark/brand ...
4
votes
3answers
838 views

Footprint or breadcrumb animation

I'm after a very specific effect and I haven't found an effective way to accomplish it. Basically, I want dots to appear along a path and disappear over time. The dots should not move after they're ...
4
votes
4answers
5k views

Selectively blur many but not all of the faces in a video

Shooting videos of Ninjutsu events. Top man insists that there are privacy issues as some of the participants don't want their faces to appear in the resulting video. Would really love to be able to ...
4
votes
5answers
8k views

How to add motion blur in timelapse videos?

I remember watching a video about timelapse photography. There was a moment when the narrator explained that there is a specific trick to make the videos "smoother": In the timelapse videos which ...
4
votes
3answers
388 views

Does rackmount hardware attach only on the faceplate?

I've just purchased a few simple hardware rackmount devices, and a rack case. I've never set anything like this up before. I've been told that the devices' faceplates are screwed to the rack, and no ...
4
votes
1answer
333 views

How to make a video where an actor writes facing the camera?

I'd like to know how to produce this kind of instructional video, where an actor is writing on an invisible wall facing the camera: Introduction to Limits (mathbff) ...
4
votes
6answers
2k views

Why don't phones correct vertical filming?

Many people get really mad at filmers suffering from the Vertical Video Syndrome and I find it hard to disagree. Phone-shot videos filmed vertically are really annoying to watch. But there's one ...
4
votes
6answers
5k views

How do I filter a voice recording to sound like a NES game sample?

The style that I am shooting for can be heard on this video: http://www.youtube.com/watch?v=nZlPiehYpVM at 2:18 ("Blades of Steel") I have tried playing with equalization, hi-pass/low-pass, and ...
4
votes
2answers
5k views

How to use ffprobe to obtain certain information about mp4/h.264 files

I am but a lowly PHP developer that has been tasked with retrieving some basic information about 100's of thousands of video files. I've had some luck using ffmpeg extracting the video bitrate, video ...
4
votes
3answers
746 views

Layer dimensions in after effects

How can I find the dimensions in pixels of a layer in adobe after effects.
4
votes
3answers
8k views

How to detect and extract words from audio/video stream online in a webpage itself?

I have a video (or audio, I think it is not important) stream/file which does not contain subtitles. But it has clean english speech. Is it possible to detect and extract words from it. I don't need ...
4
votes
3answers
4k views

Lossless extracting of JPEGs from an MJPEG video

Using the Timelapse app on my Sony NEX-6 camera, I get an AVI which contains an MJPEG stream. However, I'd like to take all the individual frames into Lightroom as normal photos, to do my ...
4
votes
3answers
392 views

Is it possible to export a Video with transparent Background? (No Image Sequences!)

Is it possible to export a video file from After Effects with transparency? I don't want to export to an image sequence.
4
votes
4answers
1k views

Premiere distorts picture while paused

Premiere is distorting footage while paused, making color grading ridiculously challenging. Whether the media is playing in the source monitor or the sequence monitor, the picture is pixelated and ...
4
votes
2answers
474 views

How to make a film in black and white and add color to some objects?

How is a movie made to show selective colors. For instance, in Pleasantville a sister and brother are transported to the universe of an old black and white TV show, and the movie switches to being ...
4
votes
6answers
14k views

Graphic music visualizer without after effects?

I would like to make a YouTube video that has a music visualizer on it, (like in Monstercat videos), but I don't want to have to pay for After Effects. Is there a free way to do it? I know I can get ...
4
votes
3answers
23k views

Adobe Premiere Pro CC - Crop a video and export at the exact cropped size

I have a video that has 4 up-down-left-right black borders of different sizes. I want to get rid of these black borders so the exported file has the exact size of the cropped area. To do this, I ...
4
votes
2answers
295 views

How did cameramen manually focus in the film days?

In the days before LCDs and digital cameras, manually focusing an interchangeable lens still camera wasn't a whole lot different than it is today. In most designs, you had a mirror that gave the ...
4
votes
2answers
942 views

My Canon Powershot SX40 stops recording regularly and predictably.

I have a Canon Powershot SX40 HS and am having problems with recording. I start to record and it only lets me for a short period of time. Then it stops recording by itself. It seems to stop every ...
4
votes
2answers
915 views

Want to try green screen with my elementary students. What do we need. Using Mac OS 10.5.8

I am looking to put together an affordable portable studio to use with elementary school students. Doesn't have to be fancy just affordable. Budget around $200. I have seen some green screen kits ...
4
votes
6answers
107 views

Does repeatedly saving a video degrade its quality?

I take a video file, let's say an mp4, and use, let's say Windows Movie Maker, to repeatedly just save it, with no edits. Every time, the software has to convert the video into a format it can edit, ...
4
votes
3answers
3k views

Looking to get Youtube-quality video stabilization from a software based video editing application (on mac)

When I create edited films on iMovie and then export them to Youtube, Youtube's stabilization enhancement greatly increases the quality of many of my shakier action shots. Unfortunately, this same ...
4
votes
3answers
791 views

How to make a video from a still image and an audio file?

I have an image file (png) and an audio file (aiff). How do I combine them to make a video file that shows the still image and plays the audio file? Target operating system: either OS X Lion or ...
4
votes
2answers
2k views

Upload a video to Youtube without losing contrast

I've been trying to upload a video to Youtube which had been created in Vegas Movie Studio HD 11 and rendered as an MP4 file. You may notice the text has become sharper and the watermark is now almost ...
4
votes
5answers
13k views

Professional text animation software

In addition to Adobe Flash, what other tools people usually use to make text animations. By text animation I mean, like animations that has a narration and word or letters from the narration dance on ...
4
votes
3answers
45 views

What's the benefit of Hollywood still using film for most major productions?

As a semi-professional cinematographer and photographer, I've always wondered why large productions mostly always prefer to use Film cameras, even with the development of cameras such as RED and ...
4
votes
1answer
965 views

How to limit file size with ffmpeg?

I want to encode a video, that has a length of 60 seconds, to a target or maximum size of 10 MB. There are two approaches I know of. One is explained in the FFMPEG-Wiki, and the other one I found in ...
4
votes
1answer
71 views

I Finished My Film. How to Get It to Theatres?

We finally finished our amazing professional full-length film. Whew! Long work. The thing is everything was done by our team, as in no contracts with major companies, distributors, etc. Are there ...
4
votes
3answers
2k views

How to burn timestamp onto video?

I want to burn timestamp from the video meta data on to the video. I'm having great difficulty in finding a good tool that does that. Is there a video editing tool out there that allows timestamp ...
4
votes
2answers
1k views

Handling Frame Rate for Movies with Slow Motion

I know that 24fps is the standard rate for movies. Presumably, if I want to shoot for a movie I should shoot at 24fps, however if I want to add slow motion effects in the movie I know that I need to ...
4
votes
3answers
35 views

How to make a video from a still image and an audio file?

I have an image file (png) and an audio file (aiff). How do I combine them to make a video file that shows the still image and plays the audio file? Target operating system: either OS X Lion or ...
4
votes
3answers
682 views

How to make black text accept light in After Effects

I'm trying to add a light to a scene that has black text on a white background. My goal is to keep the light in position and slide in the text. As the text slides, part of the text will be less black ...
4
votes
3answers
1k views

Transcription Methods/Times

I figured I'd leave a question here while I did the manual labor, but what do you find is the best way to transcribe footage? I'm an editor and the first thing I like to do is create a script of ...
4
votes
3answers
249 views

Adding voiceover without video recompression

I have some mp4 video files with pretty poor video quality. I need to add a voiceover translation. I have seen some video software programs that could do the job but unfortunately most of these ...
4
votes
4answers
4k views

What is the best way to clean the outside of audio/video cables

What is the best way to clean a cable that has gotten sticky. I know the best thing to do is to not get them sticky in the first place, but after time they get dirty/sticky all by themselves. Lets ...
4
votes
3answers
77 views

Tools for exploring .mov containers

As a novice what tools do experts suggest I use to get a technical understanding of .mov container files? I'd like to know whats inside the container and how I can get the data out safely without ...
4
votes
1answer
109 views

Top and tail GoPro video based on volume

I'm thinking of using ffmpeg to automate a simple video task. I have lots of action videos that go like this, quiet/boring -> loud/exciting -> quiet/boring. Allowing for a few seconds at the start ...
4
votes
3answers
79 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
2answers
5k views

Non-Monotonous DTS on concat (ffmpeg)

After running this command ffmpeg -f concat -i mylist.txt -c copy output.mp4 - I'm getting corrupted output.mp4 file and this message: ffmpeg -f concat -i mylist.txt -c copy output.mp4 ffmpeg version ...
4
votes
4answers
757 views

How to stitch images from DIY panorama video rig with 3 canon 60d's?

I want to build a camera rig with 3 canon 60d's to get some kind of panorama video. To verify my idea before building the real rig, I've implemented the setup in Blender to test all possible cases: ...

15 30 50 per page