All Questions
Tagged with ffmpeg command-line
290
questions
7
votes
1
answer
4k
views
How to copy unsupported data streams with ffmpeg?
Briefing
I have some .wmv files (actually, my full batch file deals with multiple filetypes) with weird data streams that are needed for an external program to recognize them.
I'm trying to remove ...
CommunityBot
- 1
1
vote
1
answer
53
views
FFmpeg -ss option and keyframes
I would like to clarify that I understand how to use -ss, -t, -to, stream copy, and the difference between stream copying and reencoding/transcoding.
What I don't understand, is how the seeking/...
- 36.9k
1
vote
1
answer
80
views
Ffmpeg image parameter for YouTube
Is there any image png command equivalent to parameter below?
ffmpeg -loop 1 -framerate 2 -i input.png -i audio.m4a -c:v libx264 -preset medium -tune stillimage -crf 18 -c:a copy -shortest -pix_fmt ...
- 454
0
votes
1
answer
57
views
How do you create an ffmpeg lossless image without re-encoding?
I'm using the command below but not sure if it’s really lossless and without re-encoding? Is there specific command to create lossless image and without re-encoding? I'm new to this.
ffmpeg -lavfi &...
- 454
2
votes
1
answer
128
views
What a correct playlist.m3u8 should contain, or should look like?
24/06/2024: [Presentation of the problem]
I had dowloaded some videos from the Internet, few years ago.
I obtained many files:
a series of files in .ts
a single file playlist.m3u8
In my example:
A ...
- 381
0
votes
1
answer
65
views
How to solve a final pb when merging a series of .ts file with concat command of FFmpeg?
I had dowloaded some videos from the Internet, feaw years ago…
I obtained many files: a series of files in .ts
In my example: a series of 306 files named from segment1_4_av.ts to segment306_4_av.ts
A ...
- 57
1
vote
1
answer
76
views
How to use ffmpeg to convert a flac file to alac and preserving all metadatas?
I use this loop to convert flac to alac :
for i in *.flac; do ffmpeg -i "$i" -y -vn -c:a alac "${i%.flac}".m4a; done
But some tags are not exported. I tried to use the -...
- 381
-2
votes
2
answers
99
views
How to run an .exe file in command line without adding PATH variable in Windows? [closed]
I've recently downloaded ffmpeg and I need to run it through command line. I'm not able to do that because I don't have admin rights. How do I work around that?
1
vote
1
answer
52
views
why don't work old batch ffmpeg extraestereo command in new version?
I use this batch command for years in ffmpeg, but from update to the last version don't work and don't see in documentation whats the problem.
ffmpeg -i C:\Pelis\video.mkv -vcodec copy -map 0:a -map 0:...
- 2,602
3
votes
1
answer
2k
views
How to compress gif effectively to reduce size?
We use gifs for our blog extensively. We used to embed tenor nano gifs(90px height maintaining aspect ratio, used for GIF previews and shares on mobile) in it. Now we wanted to create our own gifs and ...
- 19.1k
0
votes
0
answers
59
views
How to create1080p and 4k black png background text in center using ffmpeg?
I’m trying to create a png black background with text in center using ffmpeg I left an image example from Canva. Please someone help by giving command line/parameters example for 1080p and 4K?
- 42.6k
1
vote
2
answers
150
views
FFMpeg: How to get the real return value in bash
I've always used ffmpeg via a cmd-script and I always could check the %ERRORLEVEL% which was always '0' on success or '!0' if an error occured.
I'm trying to recode my cmd-scripts in bash (using msys2 ...
- 13
0
votes
1
answer
37
views
How to use ffmpeg speedup video specific time range in one line ffmpeg cli
I try following splited cli, they work well
ffmpeg -i "$input_file" -filter_complex "[0:v]trim=start=0:end=10,setpts=PTS/10[v1];[0:a]atrim=start=0:end=10,asetpts=PTS/10[a1]" -map &...
- 36.9k
5
votes
2
answers
21k
views
Set the Creation Date of a file to that of another file with Powershell
Can someone help me get this line right?
powershell Set-ItemProperty -LiteralPath '[NewVideo]' -Name CreationTimeUtc -Value ('[CreationTimeOfOldVideo]' -as [Datetime])
I am trying to rotate video ...
8
votes
2
answers
25k
views
FFMPEG - Convert png's to video files
I have ~10k PNG-Files that I would like to convert into a video.
From looking around the Internet I came across ffmpeg and chose to run the following command:
ffmpeg -f image2 -r 25 -i img/* -vcodec ...
- 131