All Questions
Tagged with ffmpeg compression
80
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is real-time video compression possible on a Raspberry Pi to wirelessly transmit multiple live feeds? [migrated]
the idea I want to achieve is this: I'm planning to make an eye-tracker device, which is in 2 parts: the first part is what the subject/user wears, includes an eyeglass-shaped frame, 2 Infrared ...
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1
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33
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Best settings to compress a 4K 60fps ProRes 422HQ video to ~50GB HEVC using FFmpeg? [closed]
I recently upscaled a 1080p 60fps 90-minute video to 4K using Topaz. The output was set to ProRes 422HQ, resulting in a file size of 1.2TB. Naturally, I don’t want to keep the file this large and aim ...
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1
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33
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Determine format of uncompressed ZIP file with ffprobe
I am working on a project where I need to handle ZIP archives that contain media files. Specifically, I have two files, video1.hevc and video2.mp4. For testing purposes, I created two ZIP archives ...
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118
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FFmpeg batch compressing mp4s and changing them to gifs
I want to take a folder of mp4s and with ffmpeg compress them and turn them into gifs.
I do this for each file using this code:
ffmpeg -i input.mp4 -c:v libx264 -tune zerolatency -preset ultrafast -...
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258
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Best Lossless Video Codec for 8 bpc RGB image sequences?
I render 3D animations, many of which take days or even weeks to render at a time, and I need to keep a lossless archive of the output files. The output format from the render engine is 8 bit per ...
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339
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How to extract individual macroblock types and their corresponding motion vectors
I need to make a pair for each macroblock from a frame of a video containing its type and motion vector.
I extracted motion vectors by using the python module of mv-extractor.
For macroblock type I ...
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4
votes
1
answer
1k
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Recursively compress mp4 files (actually ts) with ffmpeg in the same subfolder
I have a root directory which haves a lot of folders, and inside those more folders. There are no real structure, just a bunch of folders with some having a mp4 file inside. I would like to compress ...
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1
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1
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292
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If FLAC is a file format, how can one software make them smaller than ffmpeg with maximum compression?
While compressing all my FLAC files with the latest version of FFMPEG with maximum (12) compression level, it turns out that some of them become LARGER afterwards.
How is this possible? Even if a non-...
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3
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643
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Is there any hidden danger in re-converting all my FLACs with "-compression_level 12"?
For some time now, I have been upgrading my music library from bad-sounding MP3 files to lossless FLACs. This obviously takes much more storage space.
The 465 GB internal disk which contains my "...
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1k
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mp4 encoded with ffmpeg not displaying on chrome
I am using the command
ffmpeg -i input.mp4 -c:v libx265 -vtag hvc1 -c:a copy output.mp4
in order to compress my mp4 files. This is the output:
ffmpeg version 5.1.2 Copyright (c) 2000-2022 the FFmpeg ...
0
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1
answer
238
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Looking to compress just a PGS stream of a video
I have a video stored as an mkv with pgs subtitles. I noticed when I burn the subtitles in with this command hereffmpeg -i "movie.mkv" -filter_complex [0:v][vid];[0:s:1][sub];[vid][sub]...
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202
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Pixel Art Gif to Webm
I have a large gif file (100+ MB) and I'd like to convert it to webm to reduce the size of the final file to 10-12 MB. I'm using ffmpeg to do this and it converts the file just fine except the ...
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2
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2
answers
7k
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How to compress a video to VVC(h266) or Versatile video Coding
I have a h264 video. I want to compress it to Versatile Video Coding(h266) by using ffmpeg. Can anyone tell me how to do it by using ffmpeg or any other way.
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306
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Compress with ffmpeg
What's the best way to compress these kind of files with ffmpeg (in the fast possible way):
ffprobe -i file.mp4
ffprobe version 4.3.4-0+deb11u1 Copyright (c) 2007-2021 the FFmpeg developers
built ...
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253
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Is there a ways extract image from video by frame and join in later with auto remove duplicate pixel area?
Is there a ways to extract image from video. but its not just extract image frame by frame. but the extract image automatically optimize by removing duplicate area pixel by 1 second?
lets 1 second ...
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