Linked Questions

362 votes

9 answers

972k views

ffmpeg -r 1/5 -start_number 2 -i img%03d.png -c:v libx264 -r 30 -pix_fmt yuv420p out.mp4 This line worked fine but I want to create a video file from images in another folder. Image names in my folder ...

221 votes

10 answers

190k views

I have got FFmpeg compiled (libffmpeg.so) on Android. Now I have to build either an application like RockPlayer or use existing Android multimedia framework to invoke FFmpeg. Do you have steps / ...

68 votes

6 answers

92k views

We need to split a large live WMV video feed in small chunks all of the same size. We made a script that works fine doing this, except for one thing: the video chunks don't start with a key frame, so ...

45 votes

5 answers

38k views

Joining multiple files using ffmpeg concat seems to result in a mismatch of the timestamps or offsets for the audio. I've tried with several videos and noticed the same problem for h.264 / MP4. Using ...

13 votes

10 answers

31k views

I've installed ffprobe using the pip ffprobe command on my PC, and installed ffmpeg from here. However, I'm still having trouble running the code listed here. I try to use the following code ...

39 votes

4 answers

21k views

How do I cut a section out of a video with ffmpeg? Imagine I have a 60 second mp4 A. I want to remove all the stuff from 0:15 to 0:45. The result should be a 30-second mp4, which is composed of the ...

13 votes

5 answers

20k views

How can I cut a video into multiple parts and then join them together to make a new video with ffmpeg?

14 votes

2 answers

15k views

I would like to cut a video at the beginning at any particular timestamp, and it need to be precise, so the nearest key frame is not good enough. Also, these videos are rather long - an hour or longer ...

3 votes

1 answer

2k views

I have a 30 minute video. I want to skip 3 seconds every 30 seconds. And continue to the end of the video. And it connects all 30s video together Example: 00:00:00 to 00:30:00 + 00:33:00 to 00:63:00 + ...

0 votes

2 answers

6k views

I'm trying to cut videos automatically using Python with FFmpeg so I don't have to type out the command everytime I want a new video cut. I'm not really sure what I'm doing wrong though, here's the ...

6 votes

0 answers

8k views

I am having trouble trimming video files without causing the Video/Audio to go out of sync. From what I understand, using the seek argument -ss before or after the input file results in two different ...

3 votes

1 answer

4k views

I am using ffmpeg to cut a video accurately at a given time to another time. I know, we can simply re-encode it, but will lose the quality. Also, I do not want to use copy option because of key frames ...

1 vote

1 answer

2k views

When I try cutting a video, it outputs an empty stream (262 byte video with 0s duration). Would appreciate any insight, thanks. Command used: ffmpeg -i /path/to/long/video.mp4 -ss 37.69 -t 4.96 -c ...

3 votes

1 answer

2k views

There was a task to create an application for Android that lets you record and work with video. There is no problem with recording video from a camera, but I ran into a problem processing videos. For ...

1 vote

1 answer

801 views

I have written a code that will transcribe audio file to text but my problem is i want to split the audio file into pieces and then i want to transcribe that break audio file one by one please help me ...