Questions tagged [keyframes]

Keyframes are points in time at which parameters should have certain values. In keyframe animation, the animation or editing software will then blend between these values over time.

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How can I achieve the Ken Burn Effect with greater control or in other software?

I am using the Ken Burns effect in Final Cut Pro X, however it does not allow me enough control over how it behaves. I end up having to cut the video in to multiple clips in order to get the effect ...
Joseph's user avatar
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FFmpeg: Cutting 3 seconds at the beginning of a video leaves 5 seconds blank

I have an MKV video, and want to cut the first 3 seconds. I tried with FFmpeg: ffmpeg -i /input.mkv -ss 00:00:3.0 -c copy -t 00:09:58.0 output.mkv But the result (when played in VLC) is that there ...
Ondra Žižka's user avatar
4 votes
1 answer
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How do I make this object orbit around the center without making it turn

I have this atom that I want to animate in after effects (yes I know you have more than one electron in carbon, but that's not the point). I want this electron to orbit around the middle of the atom. ...
skillz21's user avatar
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How to identify i-frame from idr-frame in the ffprobe show frames output?

The ffprobe show frames output shows the following details: [FRAME] media_type=video key_frame=1 pkt_pts=42 pkt_pts_time=0:00:00.042000 pkt_dts=42 pkt_dts_time=0:00:00.042000 pkt_duration=N/A ...
cnvzmxcvmcx's user avatar
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How can I set the first frame of a video to an I-frame and the rest to P-frames (preferably with ffmpeg)?

I'd like to try to do some datamoshing like this tutorial. But I'd like to be able to do it programatically, so instead of vdub and avidemux, I'd like to figure out how to do as many parts of this ...
Jason's user avatar
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Frames with pict_type=I yet key_frame=0

I am trying to exrtact key frame information from a mp4 video using ffprobe with the command: ffprobe -select_streams v -show_frames FILE_NAME 2>/dev/null I am getting the list of all frames. ...
cnvzmxcvmcx's user avatar
3 votes
3 answers
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Frame capture from videos: I-frame vs P-frames

I'm trying to capture various frames within a x264-encoded video files into png files (in python), and then compare the quality of them: cap = cv2.VideoCapture(filename); //get frame_number for ...
angel_30's user avatar
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3 votes
1 answer
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Why are there two ways to keyframe-animate geometric transformations?

In DaVinci Resolve 14, there seem to be two ways to use keyframe animations with geometric transformations. One is on the Edit page, using the Inspector. Here it seems to be possible to smoothen out ...
Szabolcs's user avatar
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is there a way to get better easing on keyframes in davinci resolve

I'm trying to animate pngs of characters coming into frame when that person is talking but the easing that I can do when I right-click the keyframes is really bad. how can I make the easing more ...
desperrrr's user avatar
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What is algebraic effect of transforms in Adobe After Effects Keyframe Data file?

I want to write software which peforms a pan, zoom, rotate, and resample on a 3840x2160 input video, yielding a 960x540 output video. I have an keyframe data file, exported from Adobe After Effects, ...
Jim DeLaHunt's user avatar
2 votes
1 answer
256 views

Dealing with dropped frames in background plate when doing keyframe animation in After Effects

I am working on a video which includes some dropped frames ever so often. When a frame dropped, it repeated the previous frame sometimes 2 or 3 times. I am overlaying many objects on this video, and ...
Aleksandr Albert's user avatar
1 vote
2 answers
4k views

Moving keyframes with duration change

I have a still image with four opacity keyframes which look like this: When I change the duration my keyframes stay at the same place (which is normal). Is there a way to move the keyframes ...
RidableCthulu's user avatar
1 vote
1 answer
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How does the h.264 encoder determine where to put i-frames?

I'm reading a bit on I-frames and their counterparts, P-frames and B-frames. I understand the usage. I-frames are the key to the compression and following P and B-frames can use the data in I-frames ...
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How to select multiple keyframes in Premiere?

I had accidentally created numerous wrong keyframes, trying to tune volume. Now I would like to delete them. Unfortunately, I can't select multiple keyframes by mouse: When I release mouse, all ...
Dims's user avatar
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Adjusting sequence square frame size for large screen size

I am trying to make a square size video of 6:5 ratio for LED display screen. The size of the screen is 12feet x 10feet in pixels it's 13824x11520p. Do i need my frame size to be this big to make it ...
SandeepTete's user avatar
1 vote
2 answers
46k views

Duplicating keyframes in After Effects

I've made a basic animation where an element quickly changes position multiple times, e.g: Top left corner Middle Top left corner Bottom right corner I'm trying to duplicate these keyframes a couple ...
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1 vote
1 answer
3k views

concat files with ffmpeg and preserve exact frame timestamps

I'm doing this to add a keyframe at 00:00:14.0000 1. ffmpeg -i trailer.mp4 -to 13.92 -copyts -c copy first-bun.mp4 2. ffmpeg -ss 14 -i trailer.mp4 -to 15 -video_track_timescale 90000 -copyts bun.mp4 ...
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1 vote
1 answer
446 views

Export Keyframes as Text (After Effects)

Given a list of keyframes, is it possible to download them or export them to be used elsewhere?
Thomas0100's user avatar
1 vote
1 answer
60 views

Is there a tool that lets me cut video with frame precision?

I'm able to use Avidemux with enough ease and it's mostly enough for my video need. I can also choose codecs to recompress the video. Unfortunately, it doesn't let me cut video outside the scope of ...
jokoon's user avatar
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1 answer
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Stop motion animation and audio keyframes in AE

so I'm completely new to After Effects (normally work with premiere or stop motion animation) so if I've not given enough/or the right information, just let me know what you need to know. I have a ...
Jlea's user avatar
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1 vote
2 answers
466 views

Custom formula for keyframe automation - Adobe Premiere Pro

Is it possible to enter custom math/scripting formulas for keyframe animation inside Premiere Pro?
Saw-mon and Natalie's user avatar
1 vote
1 answer
3k views

Why does Adobe Premiere CC change my "Ease Out" keyframe interpolation to "Bezier"?

In Adobe Premiere CC, I keep trying to set my position keyframe's temporal interpolation to "Ease Out". After I set it, I recheck the context menus immediately, and it has reverted to "Bezier". Why ...
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After Effects : shortcut for next keyframe on current layer?

I know about the J and K shortcuts for the previous/next (visible) keyframe on the timeline. I was wondering if there was something similar to reach the previous/next keyframe on the current layer. ...
gordie's user avatar
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1 vote
1 answer
77 views

Transposing keyframes or recursive keyframing in AE

I want to embed a clip inside of itself inside of itself inside of itself. I have a clip of a person using a tablet, and I want the same clip displayed on the tablet. I have tracked the motion of the ...
evanlivingston's user avatar
1 vote
2 answers
30 views

Is there such thing as an unlimited point matte in Premiere?

Basically my problem is I have footage which I need to manually key. I need something like an unlimited point matte which would allow me to cut an actor out of a background by hand with no limits on ...
KC McLaughlin's user avatar
1 vote
0 answers
352 views

How to link multiple keys to different sliders in After Effects

I'm a newbie with After Effects expressions, I need help with link few keyframes to different sliders on Null. I found this expression and its work with 2 keypoints. if (numKeys > 1){ t1 = key(1)....
Manitopa's user avatar
1 vote
0 answers
15 views

What's beneficial about temporal auto Bezier keyframes over continuous Bezier keyframes?

From what understand, a temporal auto Bezier keyframe automatically re-adjusts both of its direction handles whenever a neighboring keyframe is moved somehow and the influences of both of its incoming ...
Vun-Hugh Vaw's user avatar
1 vote
3 answers
2k views

How to change the font and color on multiple keyframes at once | Adobe After Effects

Hey there I ran into a small problem creating a video, and I haven't used any video editing software before, so I am lost right now and I have no idea on how to solve my problem which problem goes ...
Miki Sarkovski's user avatar
1 vote
0 answers
473 views

FFMPEG dropping the first two frames of segments generated through seeking

I'm trying to script-cut a 24 fps video and it gets close to the right thing, except for two missing frames at the beginning of every segment I cut with seeking. I've found out that index-frames (...
Fernando D'Andrea's user avatar
0 votes
1 answer
262 views

How to enable blue animation handles in Adobe Premiere Pro?

How can I enable the blue animation handles in Effect Controls in order to be able to shorten my sequence without breaking animation keyframes? See also:
Rookian's user avatar
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1 answer
5k views

How can I copy/paste multiple key-frames in After Effects from different layers?

Is there a shortcut key to copy and paste After Effects keyframes? No, I don't want any kind of script to do so. I just want to move selected keyframes (they're multiple, not one, and they are in ...
Hussein Al-Mosawi's user avatar
0 votes
1 answer
1k views

What happens if you uncheck key frame distance in Premiere Pro CS6

The default is 72 which is in frames I suppose. However what happens if I simply uncheck it? Does it work like AVC Intra where key frames doesnt exist and every pixel in every frame is processed like ...
Delta Oscar Uniform's user avatar
0 votes
1 answer
8 views

How are hybrid keyframes created in After Effects?

As I understand, there are 2 types of keyframes in AE: basic (Linear, Bezier, Continuous Bezier, Auto Bezier, Hold) and hybrid ones. Here is a picture from the site I read: It’s clear for me about ...
Eva's user avatar
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0 votes
1 answer
453 views

Increment a number, based on number of keyframes in After Effects?

I'm working on a video comparing old and new games, and I'm scrubbing through some footage frame by frame trying to count button inputs in DOOM over a period of time. I was wondering if there was a ...
TacticalTruth's user avatar
0 votes
1 answer
45 views

Security video missing time and frames

Why does a DVR or CCTV system randomly drop time or frames? I am viewing footage that says it is 12fps but, it is scanning at 10fps. These files were exported as AVI. Thanks
Frank's user avatar
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0 votes
1 answer
60 views

Premiere Pro shifting keyframes during an insert edit

During an insert edit all clips (video and audio) shift right except the keyframes (track volume) themselves on the audio tracks. Similar if I select all and move, keyframes are not included. How can ...
scape's user avatar
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0 votes
1 answer
280 views

How to compromise between byte rate, resolution and fps

I want to stream a video on a device full screen (therefore, the dimensions of the display are fixed) What should I focus on to offer the best experience for a given bandwidth? Should I have other ...
Guig's user avatar
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What do they mean "Recording Ratio" in in the VLC Media Player, and what are the units (e.g. frames per second)?

There exists a video-player known as VLC Media Player. My question is, for the scene video filter, what is the recording ratio? If the number is 50 does that mean... extract one frame every 50 ...
Toothpick Anemone's user avatar
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0 answers
72 views

Kdenlive VFR to CFR

When using videos taken on my phone (Pixel 4a) kdenlive reports variable framerate and asks to transcode with several options, Lossless (huge files) Intermediate DNxHR HQ (large files) x264 I frame ...
qwr's user avatar
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0 votes
1 answer
22 views

Squishing an image from above in Sony Vegas Pro 18

I am using Sony Vegas 18. I am attempting to squish an image from above, keeping the width and bottom x, y coordinates fully fixed, meaning the image "squishes" while being reducing in the y ...
IUseSonyVegasSometimes's user avatar
0 votes
0 answers
20 views

Moving keyframes out of Vector Motion in Premiere

I'm working on a project and have created a graphic layer with text on it. I added some keyframes for position to move the text over time. then I added another text that need its own distinct position ...
M.H.Muhamadi's user avatar
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0 answers
152 views

Can I Copy/Paste Keyframes from one Mask Effect into Another in Premiere Pro 2023?

I have two effects on a clip where I have to apply motion tracking to their respective masks. Gaussian Blur and Lumetri Color, respectively. But I have a large number of clips I have to apply these ...
Digital Jedi's user avatar
0 votes
1 answer
27 views

After effect position keyframes motion problems [duplicate]

I'm trying to make a motion of position of shape and I'm getting next: In this frame, position getting automatically lower than I desired to. I mean, I want that the 1st keyframe to be 950 px (for ...
Carlos Pérez's user avatar
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0 answers
26 views

Replace a text that has keyframes in a template totally with another text

I have a textbox in a template with full of animations and keyframes, How can I replace it totally with a new textbox that I recently created? (The recently created textbox have some language features ...
Kasrak's user avatar
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0 answers
58 views

How many I-frames are in a single shot?

I have some fundamental questions on shots and I-frames. When we apply shot detection on a video, how many I-frames will exist in a shot? How many frames exist between two I-frames? And does the shot ...
angel_30's user avatar
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0 votes
0 answers
34 views

Easy quick way or tool to selectively pull Snapshots / Frames from a Video and put it into a Comic Strip type structure?

Easy quick way or tool to selectively pull Snapshots from a Video and put it into a Comic Strip type structure? Take a minute long mp4 video and pull specific snapshots into a set of comic strip type ...
Alex S's user avatar
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0 answers
81 views

Importing/automating keyframes in Adobe Premiere

I want to get a stationary view on a moving subject, which needs to be staying within his square box on the final video (the camera should follow him). So far I got away by clicking every 15 second ...
Atcold's user avatar
  • 203
0 votes
1 answer
2k views

How to fix scale Key-framing issue

I have been facing an issue with my Premiere Pro for a while now and no matter how hard I tried to find a solution, I never managed to find something that will fix my specific problem so that is why I ...
Mike Masters's user avatar
0 votes
0 answers
1k views

FFmpeg identify non-IDR frame (I frame) as keyframe

It's a mov file. We use FFmpeg/FFprobe to process this file. There is a frame which is shown 'keyframe' (flags=K) in this file, but we found this frame is a non-IDR frame (only is I frame) using 264 ...
Chen Liu's user avatar
0 votes
1 answer
299 views

AE Keyframe Control through checkboxes

I have a position animation with four keyframes, two for a intro, two for a outro. Also I have a Master where you have two checkboxes "Intro" and "Outro". The idea is to override the keyframe values ...
Steffen's user avatar