38
votes
10answers
2k views

Good open source Video Editors?

Sure, I could Google and find random software. But I rather have the opinion of users that have had hands-on with any open source video editors. So if you've used one that you like or know of any, ...
29
votes
1answer
40k views

How can I crop a video with ffmpeg?

I have an MP4 file of a screen recording that I need to crop down. How can I accomplish this without using expensive tools like Adobe Premier or Final Cut? I prefer ffmpeg because I have used it ...
24
votes
7answers
4k views

Create a DIY Green Screen / Chroma Key

What are some good resources for people attempting to setup their own green/blue screen, light, record and pull a quality key from it? Particularly on a low budget, or with materials that aren't ...
19
votes
4answers
4k views

What factors are important for DSLR lenses for shooting video?

I'm about to upgrade my DSLR camera from a Canon XSi (450D) to either a Canon 7D or T3i (600D). I'm largely interested in the video features of the camera. I have several mid/high-end lenses that I ...
14
votes
6answers
963 views

Are there any mathematical advantages for higher sampling rates?

Given that most people can't hear so many frequencies above 20kHz anyways, I've never understood the exact arguments for using sampling rates above 48kHz. At 48kHz, I understand that it is easier to ...
14
votes
4answers
2k views

Why do weathermen and amateurs use green screens when professional movie makers use blue screens?

I've seen a lot of "low budget" green screen setups. However, when I watch things about professional filmmaking, it seems everyone is using blue screens instead. (e.g. I've seen Industrial Light and ...
12
votes
1answer
291 views

What is this strange second camera?

I don't know is this is the correct place to ask this but ... I've watched several "making of" of current movies and noticed a thing i cannot explain. What is this strange "secondary" camera you ...
11
votes
5answers
10k views

Render srt subtitles to video?

I have subtitles in .srt file format, and I need to render them on top of video file (prefereably mp4). I have tried handbrake and mediacoder so far, with no luck. What should I do?
11
votes
1answer
333 views

Why filmmaking with DSLR?

Adding video feature to digital camera was for their popular applications, as unprofessional users wanted to have both photography and videography at the same time. Professional cameras were ...
11
votes
4answers
1k views

What Beginner Video Editing Software Should I Use?

I need to edit a HD video file. I will need to zoom, pan and insert text. Also, I will need to insert small video clips into the main file (eg. zoom to a black TV screen and insert video to that TV ...
10
votes
5answers
383 views

Does version control have a part in the video production workflow?

I'm a software developer and I'm also interested in photography (for four years) and video production (for a few months only). ■ In software development, there is an important rule every developer ...
10
votes
2answers
988 views

What's the difference between an Engineer and a Producer?

People seem to be making a point of the distinction of the role of Engineer and Producer. What's the difference?
9
votes
2answers
5k views

What codec will my Youtube uploads be output in and what codec should I use to upload?

Related to What codecs/formats are appropriate for full motion video recording for youtube? I'm wondering exactly how I can expect Youtube to handle my videos. I know they have a rather zealous ...
9
votes
4answers
11k views

Stabilizing GoPro videos

When I watched videos on GoPro's youtube profile, they seem to me almost perfectly stable. And when I attached my action cam to helmet and tried to record during skiing, the video was very shaky. I ...
9
votes
4answers
752 views

How do I get a totally white background without the subject being too bright?

I would like to do a product demonstration similar to the White Room's demonstrations done by Apple, such as iPad 2 Product Demonstration What type of lighting is used to keep the whites extremely ...
9
votes
5answers
287 views

About film making techniques

I have developed a big interest in film making recently (I hope it isn't a fad). I am interested more in the technical side like cinematography, editing, lighting etc than acting, direction etc. I am ...
9
votes
3answers
7k views

Convert a 60 fps video to a 24 (film) video - is it possible?

This may not be as simple a problem as it may seem at first, so read carefully. When I set my (Canon 60D, but this doesn't really matter at all) camera to record at 24 fps (I think it's actually ...
8
votes
4answers
17k views

How to losslessly encode a jpg image sequence to a video in ffmpeg?

I have a large set of jpgs that I want to convert to a video losslessly (or, at the very least, very close to losslessly as long as the encoding time isn't much higher than otherwise). Naively, I ...
8
votes
4answers
5k views

How to get FFMPEG to join non-sequential image files? (skip by 3s)

I have a bunch of images, that follow this pattern. 0001.png 0004.png 0007.png 0010.png 0013.png 0016.png 0019.png ... They're in the correct order, but FFMPEG ignores anything after the first ...
8
votes
4answers
441 views

What are some good accessories for a DSLR video recording setup?

I have a DSLR that I've started using for video recording and I'd like to buy some accessories for shooting video. I know this could be subjective, but it doesn't have to be. I am looking for ...
8
votes
2answers
311 views

how can I smoothly move a camera without a dolly?

I have a small camera and this is the first time I'm filming anything that is serious. I'm wonder if there is a cheap way I can smoothly shoot footage in a room while moving without a camera dolly.
8
votes
2answers
2k views

How can I stitch together several m2ts video files into one large file?

I have recorded several community theater productions with a Panasonic TM900 camera. The settings on the camera were to record at 1080p @ 60 FPS. However, I noticed that the camera produces several ...
8
votes
2answers
888 views

What exactly is AVCHD?

Is it a codec? I don't think so; I believe it uses MPEG4/H.264 for video and AC3 for audio. Is it a container format? Doesn't seem to make a huge amount of sense; there are enough out there already ...
7
votes
4answers
826 views

What is the difference between an amateur and a professional camcorder?

It is known that professional photographers use SLRs & regular users use point & shoot camera. What kind of cameras do professional videographers use & whats the difference?
7
votes
6answers
4k views

Screen refresh rate above 100 Hz noticeable?

Is a refresh rate higher than 100 Hz still noticeable for the human eye? Tv manufacturers are still taking these refresh rates to new heights, but is there really a noticeable difference between a ...
7
votes
1answer
9k views

High quality ogv files - possible?

I'm converting mov (or flv or mp4) files into ogv. Unfortunately, the programs I've been using (Miro, FFMPEG's ogv plugin) have terrible encoding that appears extremely fuzzy. Does anyone have ...
7
votes
2answers
231 views

How much is a good framerate for slo-mo recording?

As per the title, how much fps count should I be considering on a camera if I am looking to do slo-mo shots without framerate lag taking effect on video settings? On a side note, I don't know if this ...
7
votes
2answers
2k views

Is there any format for videos like RAW format for photos?

Like the RAW format for photos which stores the exact image information that is of great use for post processing, are there any similar formats for video?
7
votes
1answer
7k views

Repeat/loop Input Video with ffmpeg?

I just want to loop a mp4 video with ffmpeg and keep the current settings and codec. For example if input.mp4 is 0:10 long, and I would want to loop it 4 times so output.mp4 is 0:40 long, how could I ...
7
votes
2answers
6k views

The ProRes of Premiere Pro?

I'm going to be editing more and more DSLR videos, most notably music videos for my band as we start releasing singles and want to know if there is an intermediate format for both cutting and ...
7
votes
2answers
282 views

Why doesn't an FFT pitch filter fully 'mute' the selected pitch range?

While editing a song, I tried to cut out the bass drum by applying a high-pass FFT filter, i.e. filtering out the low pitch of the bass drum. This resulted in the drum sound being severely quieted, ...
7
votes
1answer
404 views

Color correction workflow

I completed my first short film in December. One of the most time consuming aspects of the project was making the colors look nice. I used Adobe Premiere Pro CS5.5 and the free Magic Bullet plugin. I ...
7
votes
2answers
789 views

Matching a camera in a 3D scene based on a photo

I have a Sketchup scene with a 3D model and a geolocation, but I also have a photo for the scene. How cam I match/create a virtual camera in the 3D application to match the viewpoint of the physical ...
7
votes
3answers
2k views

Cheap solution for shooting with multiple (>2) cameras in sync (genlock or LANC?)

I'm doing research into natural phenomena in computer vision, and I'm looking for a method of shooting video from multiple camera angles. It's likely that the subject will move very erratically, ...
7
votes
3answers
215 views

Are there any good video editing apps for photographers?

Photo editing apps like Lightroom have very intuitive ways (my opinion, of course) of performing operations on pictures. I occasionally do small video projects that I edit either in Sony Vegas on ...
7
votes
1answer
843 views

Batch resize videos with “pan and scan” cropping

I am trying to prepare a collection of ~120 video clips to be played in VLC Player and projected on a low-res (1024x768) projector during a DIY electronic music event. The source clips are all super ...
7
votes
1answer
141 views

Is there a way to make Premiere reuse nested previews?

I have a rather effect-heavy clip in my project. I made it a separate sequence using nest from the context menu and rendered its preview to see it's ok. Now that it's rendered(shows green on top of ...
7
votes
2answers
408 views

Convolution matrix for converting 1080i to DVD?

It's pretty common to shoot in HD but deliver on DVD. This requires a reduction in resolution from 1920x1080 to 720x480 (for NTSC). If you just interpolate and throw away pixels, you get bad aliasing ...
7
votes
1answer
584 views

Windows software for recording multiple video/audio sources?

I'm looking into options for recording video game sessions, including multiple different video and audio sources. I'm only at the planning stage of this, but here is basically what I want to set up: ...
7
votes
1answer
89 views

Graphical editor for OggKate

Does anyone know of a graphical editor that let's one create and edit OggKate metadata for a file. I prefer using Ubuntu. Most of the examples I've found so far uses the commandline. I've come ...
6
votes
3answers
79 views

Does a real “megapixel lens” exist?

Many of new model of lenses are defined as megapixel (i.e 1MP, 2MP, 5MP...). My problem is that I did not find any difference between a standard lens and a "megapixel" one, in the focus quality. I ...
6
votes
6answers
2k views

connect 8 projectors together to create a large image

For an experiment purpose i collected 8 projector with 5000 lumens and 1080P resolution. I need to connect them altogether to create a really large image? So, should i use 1 computer for each ...
6
votes
5answers
918 views

How to connect a camera to a computer 100ft away?

We are trying to live stream our worship service on Sunday morning. We have located an ideal spot for the video camera. Unfortunately it is 100 ft away from the sound and network connections which ...
6
votes
6answers
2k views

Video with person 'writing on glass' effect

I'm trying to find someone who can make videos similar to one shown here: At 49 seconds, the actress writes on glass to explain the concept. ...
6
votes
4answers
3k views

How do I turn audio into video (that is, show the waveforms in a video)?

Graphic design newbie here. I have to create a video. Part of it involves "showing" a radio interview. Rather than just having a black screen and listening to the audio, I'd like to have a varying ...
6
votes
1answer
13k views

How do I change frame size, preserving width (using ffmpeg)?

I'm new to this StackExchange site, and to using the ffmpeg encoder. I have a video that is 720x480 (3:2) that I would like to change to 720x406 (16:9) to match the other videos I have for a site. I ...
6
votes
4answers
7k views

Correcting exposure flickering in time-lapse footage (in After Effects)

I have made some time-lapse footage of a flower blooming. It was taken inside, at night, with constant lighting. The pictures are great, but as footage, the exposure between frames is slightly ...
6
votes
3answers
144 views

How to stay objective after viewing your edit hundreds of times?

When I start editting something I'm very sharp about cuts that does or doesn't work. But as I go through the process, in which I watch the sequence hundreds of times, I get used to it, and becomes a ...
6
votes
6answers
6k views

Adding a time stamp to a video

Anyone know of a program that will add a visible date and time stamp to a video file? Preferably, I can just put in the start time of the video and it will just keep incrementing the time as the video ...
6
votes
2answers
2k views

Why not filming computer or TV screens?

I see this all the time: a character is doing something on a computer or watching TV. Instead of filming the actual content of the screen, they film the scene with a fixed camera and add a layer with ...

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