Linked Questions
11 questions linked to/from Cut part from video file from start position to end position with FFmpeg
599
votes
9
answers
835k
views
Using ffmpeg to cut up video
I am using ffmpeg to cut out a section of a large file like this:
ffmpeg -i input.wmv -ss 60 -t 60 -acodec copy -vcodec copy output.wmv
The -ss part works fine but the -t is ignored. It correctly ...
- 6,119
1
vote
0
answers
6k
views
FFMPEG How to extract frames of a video at a certain time frame? [duplicate]
I am working on laying out video stills in a book. I am pretty new to using the command line and discovered ffmpeg just yesterday.
Right now, I want to extract 8fps from a video between, for example, ...
- 39
1
vote
1
answer
2k
views
Why is FFmpeg video splitting of 595-600 seconds slow compared to 0-5 seconds? [duplicate]
I have to split a 4K 10 minutes video into 120 small video files, each containing 5 seconds of duration. I'm using ffmpeg for splitting the video. The splitting take a very very long time and the ...
- 113
31
votes
1
answer
22k
views
What is the "sameq" or "same_quant" option in FFmpeg? Does it mean "same quality"?
Often, I've seen FFmpeg commands using the sameq option, for example
ffmpeg -i input.mp4 -sameq output.avi
What does this mean? Does it mean "same quality"? If not, what should I use instead?
- 230k
4
votes
1
answer
7k
views
How can I remove multiple segments from a video while keeping the audio?
I have tried the method described in this answer. It works well, except that the audio is missing. Can anyone suggest how to get both the video and audio into the output?
Example:
I have a 2min video ...
- 53
4
votes
1
answer
3k
views
How to split video files upon detected change in resolution? (ie. recorded streams containing multiple widths)
I have many video files (flv/mp4) that change resolution mid-stream (720p/1080p/640).
I would like to use something like ffmpeg to automatically detect the change in resolution and split the videos ...
- 81
0
votes
4
answers
3k
views
Which program I can edit video (cut some scenes) without increasing the video's size
I have a video: Input.mp4 - length: 29 min 6 sec - size: 120 MB
I use Microsoft Movie Maker 2012 (Movie Maker is included in the Windows Essentials 2012 program suite), to cut some boring scenes and ...
- 587
1
vote
1
answer
781
views
How to delete a specific portion of a video in FFmpeg possibly without re-encoding?
I was able to find this thread on cutting a specific portion out of a file. It's not very useful since I'm looking to do the exact opposite which is to remove the selected portion of the video.
This ...
- 11
0
votes
1
answer
209
views
I recorded a video with an iPhone SE (11.4.1) with 1080H / 30 fps. I want to extract as many individual freeze frames as possible with ffmpeg
I recorded an video with an iPhone SE, iOS Version 11.4.1 (15G77).
I want to extract as many individual and freeze frames in best available quality. I guess i can get a max of 30 freeze frames per ...
- 11
1
vote
0
answers
161
views
Is there some way to losslessly "cut off" from the beginning and/or end in an .mp4 file?
First of all, yes, I know that .mp4 videos are lossy.
Many of them contain annoying unwanted stuff in the beginning or end, which I neither want to see nor want to take up storage space on my disks.
...
- 21
1
vote
1
answer
196
views
Cutting a part from a video: Should '-ss' be before 'i' or after?
Let's say I need to remove everything but the second minute from a video.
I can do this, for example, in the following way:
ffmpeg -copyts -ss <start> -i input.mp4 -to <end> -c:v libx264 -...
- 71