I want to convert this to 1080P SDR HFR while keeping the original audio and subtitles. If I will run ffmpeg with -s 100x200, then second video will have bad aspect ratio. Resize to 1080p. Learn more ffmpeg : 4K BluRay to 1080p x264 To change a video file to be 1080p in FFmpeg: ffmpeg -i input.mp4 -vf scale=1920x1080:flags=lanczos output_1080p.mp4.

I am looking to accomplish the following, and concluded that Handbrake is not up to the job.. I need to make output video with 100*200 resolution. How can I limit output video by width, with auto aspect ratio by height?

Crop Real 4K to UltraHD 4096>3840 .

The trouble is lags while playing. ffmpeg -i outputgirl.2160p.y4m -vf scale=1280:-1 outputgirl.720p.y4m I tried to convert it to 720p with ffmpeg: ffmpeg -i MyMovie.mkv -r 60 -s hd720 MyMovie_720p.mkv But I there is significant quality loss because bit rate decreased from 32.3 Mbps to 2.8 Mbps. I am hoping FFmpeg is :) I have a 4K HDR HFR movie with TrueHD 7.1 Atmos and subtitles.

I stack with my high quality movie: 1080p with 60fps.

Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. 4K HDR HFR to 1080P SDR HFR. Here are some FFmpeg commands to help you out: Upscale with FFmpeg. Making a video smaller (downscaling) or bigger (upscaling) with FFmpeg is actually very easy.

For example, I want specify for the output video only width 100px and ffmpeg must automatically calculate height with right aspect ratio. Resize to 720p. FFMPEG 4K/UltraHD Encoding Cheatsheet 31 Jul 2015. ffmpeg -i A001_C014_01217G.4k.y4m -vf "crop=3840:2160:128:0" outputgirl.2160p.y4m. This uses FFmpeg scaling with Lanczos resampling. ffmpeg -i outputgirl.2160p.y4m -vf scale=1920:-1 outputgirl.1080p.y4m.