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Questions tagged [scale]

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1
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1answer
51 views

How to combine and optimize ffmpeg filters to avoid encoding multiple times?

I never worked with ffmpeg before and I'm wondering which optimization I can take for my situation. In a loop I have multiple input.mp4 files which I first convert one by one to have a common scale ...
0
votes
1answer
40 views

FFmpeg scale video to desire size

I have an video with this resolution: 1920x1080, I want to scale it to 480x852, like this video: https://scontent-frx5-1.cdninstagram.com/vp/d7b76fe78c9ad72016b98dcda320a6ca/5BA532D8/t50.16885-16/...
0
votes
1answer
41 views

Setting different resolution for encoding and display when encoding in ffmpeg

I'd like to encode a video, say, in 960 x 720 but have video players automatically play it in 1280 x 720. I know how to do this in 2 steps, by first encoding in 960 x 720 (ffmpeg with -vf scale=960:...
0
votes
1answer
21 views

How to expand stroke width in one direction

am trying to scale the stroke width of a shape in AE in only one direction instead of all direction equally. Please assist
0
votes
0answers
167 views

Apply scale to an overlay on existing background video

I need to apply an effect to an overlay on a background video, that will move the overlay from one position to another, and also scale it from one value to another, over time. The position values (x ...
3
votes
2answers
499 views

How to combine ffmpeg vf commands for resizing and color correction?

I'm currently using the following batch script to run an ffmpeg command: @echo off title Convert videos to Mp4 h.264 with FFMPEG. echo This script will find all video files of a given extension then ...
2
votes
1answer
708 views

How to use ffmpeg to fade in/out a veriable frame rate video clip with unknown duration

I have been looking for a way to use ffmpeg to downscale some MPEG-4 (Base Media / Version 2) video files recorded with a variable frame rate, adding fade in/out effects at the head and tail of each ...
2
votes
3answers
404 views

Scale, position, and zoom a still image in Premiere Pro CC

I have a photo collage I am trying to move around, scale, position, and zoom in and out of on the images with in the collage. Whenever I go to scale out of the first image and move to the second image ...
2
votes
1answer
77 views

What is the difference between 'Set To Frame Size' and 'Scale To Frame Size'?

In Premiere Pro CC; what is the difference between 'Set To Frame Size' and 'Scale To Frame Size'? I need to blow up a video to fill a larger frame. I am going from SD 720x480 to HD 720x1280 frame ...
2
votes
2answers
383 views

How can I scale more than 300% in Premiere?

I am using the transform effect to scale a clip. I need a scale of around 500%, however the scale control seems to be limited to 300%. Is there any way I can scale the clip more than 300% using the ...
1
vote
2answers
357 views

I scaled down a video, but the bit rate does not change

I have a 3000 by 3000 VR video encoded in H264. I scaled down the video by ffmpeg -i input.mp4 -vf scale=2160:2160 output.mp4 To my surprise, the bit rate of output.mp4 did not decrease (in fact, it ...
0
votes
2answers
114 views

Making video content for 30' x 10' 3:1 Widescreen

Looking for some help on how content should be created for an upcoming show with super widescreen blend on it. The show consists of a 30' x 10' front projection screen with unblended resolution of ...
5
votes
2answers
4k views

How to convert a 3D movie to 2D using ffmpeg

I am looking for a way to convert a 3d movie to a 2d movie. I found a reference on this forum. http://www.ffmpeg-archive.org/How-to-re-encode-3d-video-to-2d-video-td4676271.html
2
votes
1answer
2k views

Scaling videos of variable size to a fixed aspect ratio

I have 45 videos of varying aspect ratios and resolutions. I need to scale all of them so that they fit neatly inside a 640x360 (16x9) container with the following specs: 16x9, 640x360, 1600kbps, H....
2
votes
2answers
2k views

Downscaling 4K YUV420 to 1080p YUV444 with ffmpeg introduces red tint

I am downscaling 4K YUV420 video from the Panasonic LX100 to Full HD YUV444 using the ffmpeg console in Windows, and a script provided by user karl on the Personal View forum, modified for outputting ...
0
votes
2answers
3k views

Downscaling 4k to 1080p in Premiere Pro, Image Zooming 2x

When I drop 4k footage onto the timeline in Premiere Pro, I get a 4k sequence. When I change the sequence to 1080p, the image zooms in. This makes sense. I then scale the image back 50% and I'm back ...
1
vote
1answer
69 views

Converting a Video from 1600*1200 to 1920*1080

How can I convert a video from 1600*1200 to 1920*1080 ? I know that the aspect will be not correct, but I just like to do. With Handbrake I can't do it, because it will not allow me to go beyond the ...
3
votes
1answer
548 views

Width and Height troubles

I am new to AE, and hope this question makes sense for you and is easy to answer. On my website I have some images in portrait format with 2085 × 2560 px. Now I will add a mp4 video file, which will ...
1
vote
2answers
503 views

How to scale a layer in pixelated fashion in After Effects?

How to scale a layer in pixelated fashion? I.e. each pixel of the image will grow to the block of pixels in the final scene without smoothing or blending (see picture below): WORKAROUND To achieve ...
4
votes
1answer
2k views

ffmpeg - resize and crop

I want to know how to use the scale filter to take an image that is 2154x1136 and scale it down exactly 89.04% such that the image sits in a 1920x1080 frame, with full image left and right and black ...
4
votes
2answers
900 views

Upscaling or downscaling videos

I was wondering, is upscaling from the videoplayer worse then upscaling the video during encode? For example, consider the original source of a video is 640 x 480. Which of the following will produce ...
1
vote
0answers
369 views

Trouble scaling 2880x1800 to 1080p without blurring in Premiere Pro

I have a project I'm producing where the source clips are generated from Quicktime doing a screen recording. The dimensions are 2880 x 1800, 60fps. The source dimensions are a little unusual, but ...
0
votes
1answer
342 views

Best presets to scale legacy 4:3 and 5:4 videos using ffmpeg

We have videos in row format (.mov) that are 4:3 (768x576) and 5:4 (720x576). We have a recommended preset for streaming over DASH to HTML5 and Silverlight players (this is the second pass): ffmpeg -...
0
votes
2answers
1k views

replace a clip with a different size clip but keep the scale in Premiere CC

I have edited a 640 x 360 clip into a sequence in Premiere CC. The sequence includes changes to the scale for different shots. Now I want to replace the 640 x 360 clip with a 1920 x 1080 version of ...