Quickly cut and merge videos with FFmpeg

If you are directly looking for video cutting and merging of video software, usually comes out of large video editing software or a graphical interface of cutting software, large-scale features too much installation trouble, smaller features may not be complete.

Just a simple cut or a merge, or ffmpeg this command-line tool is the most convenient and fast.

First, cut the video

ffmpeg -i input.mp4 -ss 30 -c copy -to 40 output.mp4

Cut the video from 30 seconds to 40 seconds.

Ffmpeg-i input.wmv-ss 30-c copy-t output.wmv

Second, merged video

1) Merge the original video of YUV type

cat *.yuv > movie.yuv

Converting more YUV frames to one YUV frame-stack Overflow

2) Merge MP4 type video

Save the files that need to be merged to the current directory and make the Input.txt file, and execute the command to begin merging.

Input.txt

file ‘input1.mp4‘file ‘input2.mp4‘file ‘input3.mp4‘

ffmpeg -f concat -i input.txt -codec copy output.mp4

Concat mp4 files with ffmpeg without losing Quality-super User

http://stackoverflow.com/a/11175851

Third, Python play video

Download the vlc.py file and save it to the current directory.

>>> import vlc>>> p = vlc.MediaPlayer("track.mp3")>>> p.play()
>>> p.set_time(12000)
>>> p.get_time()
>>> p.stop()

Audio-playing mp3 song on Python-stack Overflow

Quickly cut and merge videos with FFmpeg