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Questions tagged [ffmpeg]

Media tool with support for multiple codecs, filters, and containers. Include your actual command and the complete console output when asking questions involving FFmpeg tools. An easy way to do this is by adding `-report` to your command and pasting the contents of the logfile generated. For help with CLI use only of ff* binaries - ffmpeg, ffprobe, ffplay. For help with API usage, post on Stack Overflow.

0 votes
0 answers
19 views

ffmpeg -- How to get transparent backgrounds on converted 360º video

I'm converting a couple of videos to a 360º perspective and overlaying them on an existing 360º video. This is working fine, except for the alpha channel. I'm testing with an overlay video that is ...
Nobody's user avatar
  • 21
1 vote
1 answer
21 views

ffmpeg - output includes combined video stream from inputs but also exact video streams from inputs

Hi I'm using ffmpeg to transcode some video files from prores or dv to h264/mov. Also I want to add a logo on it and make some other changes. The command line I use is ffmpeg -i input.mov -i logo.png -...
Will's user avatar
  • 11
0 votes
0 answers
25 views

ffmpeg - filter complex with split source and multiple overlays: Can my code be simplified?

I've created a complex split filter that splits a single 1372 x 1372 input source into multiple uniquely shaped and cropped slices (s1, s2, etc), and overlays them on a padded background plate into a ...
Patrick Hennessey's user avatar
0 votes
0 answers
19 views

Merging some FFMPEG code into AutoHotKey

I'm using some ready-made AutoHotKey that calls upon FFMPEG. I need to tweak what FFMPEG does, but I'm just so lost, so would really appreciate some help. It currently does some simple FFMPEG scaling (...
James Corcoran's user avatar
0 votes
1 answer
16 views

Gray frames appear sometimes when chapters change in trans coding of 4k Blu-ray

This is not happening with every 4k movie, but it is happening with most. The audio is still working when the video goes gray. The command template I am using is ffmpeg -hwaccel qsv -...
Nathan Cloutier's user avatar
1 vote
1 answer
46 views

FFmpeg Could not write header (incorrect codec parameters ?): Invalid data found when processing input

The command ffmpeg -v verbose -i in.mkv -c copy -y out.mkv produces the following error: ffmpeg version 7.0.1-full_build-www.gyan.dev Copyright (c) 2000-2024 the FFmpeg developers built with gcc 13....
cookie's user avatar
  • 13
0 votes
0 answers
24 views

why getting error using ffmpeg Could find no file with path 'frame_%4.bmp' and index in the range 0-4?

the command line D:\Output1>ffmpeg -f image2 -framerate 1 -i frame_%4.bmp -loop 0 d:\video.gif [image2 @ 000001f981d10380] Could find no file with path 'frame_%4.bmp' and index in the range 0-4 [in#...
Daniel Lip's user avatar
0 votes
0 answers
23 views

FFmpeg high CPU usage Ubuntu Server

I have compiled FFmpeg to be able to stream Music Player Daemon (MPD) Digital Rights Management (DRM) streams, everything works but after about 1–2 hours the CPU starts to increase inhtop and my load ...
Dejan Milanovic's user avatar
0 votes
2 answers
44 views

Merging multiple audios to a video

I'm a total beginner with FFmpeg and I wanted to know if there's any way to merge multiple audio files and a video. I guess the final file would be MKV. I was able to do it with only one audio file ...
CG372's user avatar
  • 3
0 votes
0 answers
40 views

Using libx265 and dash, there is sound, no video

ffmpeg -i /v.webm -preset slow -map_metadata -1 -profile:v main -c:v libx265 -pix_fmt yuv420p \ -keyint_min 250 -g 250 -sc_threshold 0 \ -map 0:a -c:a aac -b:a 128k -ac 2 -ar 48000 \ ...
Dmitrii's user avatar
1 vote
1 answer
15 views

ffmpeg overlay 2D video onto 360 video

I have a 360 video and want to add a short intro video that is in 2D. I'm trying to keep the 2D video as 2D, at least for the initial rotation & fov, however I can't figure out how. If I just ...
Nobody's user avatar
  • 21
0 votes
0 answers
41 views

How to use FFmpeg downscale video using nearest neighbour?

I'm am a content creator who needs some help. I need an MP4 video downscaled using the nearest neighbour algorithm but I have no idea at all how to use FFmpeg. I have the latest version downloaded, ...
Daniel Bishop's user avatar
0 votes
1 answer
48 views

Trying to understand video conversion, difference

Downloaded YouTube video in 240 quality, as well as 1080. I took 1080 as the input file, executed this command: ffmpeg -i /1080p.mp4 -map_metadata -1 -pix_fmt yuv420p -c:a libfdk_aac -c:v libx264 -vf ...
Dmitrii's user avatar
0 votes
1 answer
38 views

FFMPEG mp3 Encryption

I have been trying to make encrypted mp3 audio like this: ffmpeg -i input.mp3 -acodec copy -encryption_scheme cenc-aes-ctr -encryption_key 4fac3c5fef15380e158040eef78d5d67 -encryption_kid ...
Alex's user avatar
  • 1
1 vote
0 answers
14 views

about ffmpeg option atomic_writing used in segment output

I made a ffmpeg command like this: ffmpeg -y -i ./test.mp4 -ar 16000 -ac 1 -acodec pcm_s16le -f segment -segment_format s16le -segment_time 5 -vn -copyts -frame_pts true -atomic_writing true ./files/%...
张明义's user avatar

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