Questions tagged [video]

Questions related to video files in Blender. Anything from loading a video into the 3D view(as a background image) to exporting an animation is acceptable.

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4
votes
2answers
826 views

Play movie, image, or image sequence at specified time?

I have a live-action shot of someone holding a gun and fake-shooting. I want to add muzzle flashes with Blender's compositor, so I grab my muzzle flash stock image to overlay onto the shot. How can I ...
5
votes
1answer
722 views

Interlaced footage in the motion tracker?

Blender seems to be interlacing my footage in the tracker/video editor, but nowhere else does it look like that, even if I make blender render it through the sequence editor. This footage is ...
5
votes
1answer
13k views

Why is my render all blurry and pixelated?

When I render out my blender animation project into a video file, it blurs, pixelates, and glitches in some spots. Why is this happening? Is it because I'm using Ogg Theora with Vorbis as the format? ...
12
votes
1answer
943 views

Have a video sequence be driven by an audio track

Let me start by stating that I have just recently picked up Blender to use as a Video Editor. Given that my knowledge is limited on this software, I have came across an issue which I can not ...
4
votes
2answers
144 views

Render from pre-calculated data set?

I made a physics simulator and have a pre-calculated data set of point positions for each time step. Can I programmatically render each frame individually with the data, output to an image with ...
6
votes
1answer
17k views

How to speed up a video in the VSE?

I'm making a tutorial, after a little work of strip I would like to speed up the video the seconds seems last longer (maybe because I've use video of different qualities) so I would like to increase ...
21
votes
1answer
11k views

How to automatically join stripped pieces of video?

I'm using Blender for non linear video editor, I'm simply removing dead times (times in which nothing happen) in my video using hard cut (Shift + k) after this process I've got something like this: At ...
4
votes
1answer
1k views

Compositing video layers in 3D space

Here's what I need to do. I have a footage of a street. I want to add several people walking. Each person was shot using chroma. I understand how to remove the green using nodes. I understand how to ...
15
votes
2answers
9k views

Can Blender make a timelapse video?

I was wondering if there is a script or addon that allows me to make timelapse videos of my blender projects? For example, is it possible to add a camera to the scene which takes a quick image of ...
15
votes
3answers
22k views

audio track and video track are not the same length

Given that av sync is on and the correct fps is set, why would the audio track and the video track not be of the same length. When the video file is played in a media player, no such problems occur, ...
26
votes
7answers
53k views

Blender's video and audio don't sync when editing

I imported my video file and for some reason (even though the video is one frame smaller than the audio) the video and audio do not sync after being played back for a certain amount of time. If I were ...
1
vote
2answers
1k views

Strange frame rate

I made a video in 1080i and it is 25 fps, but when I put in video editor it has twice more frames, as 50 fps video. What could be the problem?
2
votes
1answer
4k views

Rendering into video with Blender in Python, frames to video

Im trying to render directly from a python script in Blender, and I almost got it. But there is no information on how to do it in the docs. Actually, the code I got so far is from here With the ...
31
votes
2answers
49k views

How to rotate source video in Movie Clip Editor - Blender 2.68

After importing my footage in to the Movie Clip Editor, I find that it is not oriented the way I would like. What is the easiest way to rotate this in Blender?
2
votes
1answer
1k views

Problem rendering a video (Cycles / Node Editor / VSE)

I am trying to import a video to use as a background. I used cycles render but the video doesn't show up. I uploaded the video using video editor, then added the scene then added alpha over to the ...
7
votes
2answers
2k views

Rendered video pulses to lower quality and back to high quality

In my output video there a pulse that occurs after the number of frames specified in the "GOP Size" setting. With the setting of 18 that I have in the image shown below, the pulse occurs every 18 ...
8
votes
2answers
6k views

Low quality mp4 renders

I have imported a 337 MB mp4 video file with no audio into Blender. In Blender, I am primarily just adding audio and then rendering back out to mp4. However, the rendered video quality is drastically ...
1
vote
1answer
1k views

How to make objects in a video glow?

Regarding my previous question, how to remove background, I wish to do the following: There will be a narration so I will need each object to glow while I talk about them, how can you do this? Please ...
6
votes
1answer
276 views

Strange artifacts during camera transition when rendering movie

I'm rendering a movie from a series of PNGs with the video sequence editor and the H.264 codec. When the camera changes from the static position to moving there is a strange jitter artifact (see video)...
13
votes
1answer
5k views

Camera Tracking markers

I want to do some camera tracking. The things that I will be filming does not have a lot of detail on it, so that I will have to place some extra markers here and there. I am not sure what kind if ...
9
votes
2answers
4k views

Why will audio and video not sync in rendered video file?

When I import a movie clip into Blender's VSE, I match the resolution and framerate (1288 x 1032 at 25fps in this instance) and the audio and video strips appear to match up in the display. With AV-...
5
votes
2answers
4k views

Screen recording with Blender

Is it possible to record a non-timelapse video with Blender's built-in screen recording system? I can't set the capture time under 50ms. That means 2 frames per second.
14
votes
3answers
3k views

Write Apple ProRes files from Blender?

Blender can read Apple ProRes video files. Is there any way to write to that format? I use a video workflow with Final Cut Pro X and used Blender for some retouching and compositing and would like ...

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