All Questions
Tagged with ffmpeg command-line
290
questions
1
vote
1
answer
66
views
VIdeo overlays another incorrectly - background is over overlay
I'm a new user of FFmpeg, and I want to insert a logo on two videos (one video overlay another) with one command.
FFmpeg command (ok):
ffmpeg -stream_loop -1 -i background1080p.mp4 -i input1080p.mp4 ...
- 145
0
votes
1
answer
213
views
What is the difference between these 2 FFMPEG commands?
I am trying to take 5 static images named (1,2,3,4 and 5.jpg) and turn them in a 25 second video with each image being 5 seconds long.
ffmpeg -y -r 25 -loop 1 -t 5 -i 1.jpg -s 1080x1920 video1.mp4
...
- 177
0
votes
1
answer
422
views
Command to get only one audio track in output specified by language code with ffmpeg
Ffmpeg Command to get video with only English audio or only one language audio
I tried running ffmpeg -i input_video.ext -map 0:v -map 0:a:language=eng -c:v copy -c:a copy -map_metadata -1 -sn output....
2
votes
1
answer
9k
views
Using ffmpeg to download m3u8 video in two ways resulting in two vastly different sizes; Why?
I'm trying to download a m3u8 playlist (which contains 1.ts, 2.ts,..., xxx.ts) via ffmpeg. I'm doing it in two different ways:
Directly download:
ffmpeg -i "https://filelocation/chunked/myfile....
- 21
0
votes
1
answer
145
views
Is the cd command temporary?
Attempting to change my working directory...
In the command prompt, my input was:
cd F:
Command prompt returned:
F:\
Then another line appeared, reverting my working directory back to:
C:\Users\caden
...
- 13
-1
votes
1
answer
479
views
How can I burn in .ass file and a watermark to a video file using ffmpeg simultaneously?
I want to add subtitles and a watermark to a video using ffmpeg. For now, I'm using Handbrake to burn in the subtitles and later I execute an ffmpeg command to add a watermark from png file.
The ...
- 25
0
votes
1
answer
399
views
Where does completed file go by default when merging audio and video files together using ffmpeg?
So I merged an audio and video file together earlier using ffmpeg. I Did a full search on my hardrive for outPutFile.mp4 and it was nonexistant.
Now I'm running another, slightly altered command using ...
- 13
1
vote
0
answers
176
views
How to get exact timecode splitting using ffmpeg commands
I have a file called ffmpeg.cmd which has inpoints and outpoints.
file 'testA.webm'
inpoint 00:02:11.032
outpoint 00:02:36.900
file 'testA.webm'
inpoint 00:09:06.100
outpoint 00:09:43.799
If I run ...
- 121
0
votes
0
answers
322
views
Ffmpeg: how to get information about rawvideo encoder
For example, when i type:
ffmpeg -h encoder=ffv1
I have information about supported pixel formats:
Supported pixel formats: yuv420p yuva420p yuva422p yuv444p (...)
and settings:
ffv1 encoder ...
- 1
1
vote
0
answers
16
views
Inserting month in watermark is not using system locale
I need to insert the date in the video with the format %d %b %Y. My locale configuration is in spanish:
❯ locale
LANG=es_ES.UTF-8
LANGUAGE=es_ES.UTF-8
LC_CTYPE="es_ES.UTF-8"
LC_NUMERIC="...
- 111
1
vote
1
answer
2k
views
Is it possible on FFMPEG to send RTSP raw frames to pipe and write video segments by time to the disk?
I'm trying to receive RTSP frames to be processed by OpenCV, via ffmpeg using python. This is ok.
However I also need to write this video to disk one video each minute. This last part is the problem.
...
0
votes
0
answers
101
views
FFMPEG request is slow
I need to concatenate images to a video. Images contain black and white pixels, but I need to save quality of them as much as possible with saving space of disk. So, I don't need to use .mov.
And ...
- 11
1
vote
1
answer
308
views
FFmpeg command not producing desired video duration from image sequence
I have a set of 5 images and I want to use FFmpeg to create a video sequence from them. I am using the following command to achieve this:
ffmpeg -pattern_type glob -i '*_0[0-5].png' -r 25 -t 8 -c:v ...
0
votes
1
answer
288
views
Setting affinity for ffmpeg on command line not working as expected
I've read lots of articles on starting an application with a specific affinity
This works as expected and I see the the affinity is showing as expected:
start /affinity 3 notepad
However, when I try ...
- 1
0
votes
1
answer
177
views
Extracting Audio Snippets from mp3 file - unexpected results
I am trying to extract audio snippets using command line tools. I get consistent, unexpected results and I believe this is due to how the audio files were created/encoded.
Note: I realise there are ...
- 101