How can I efficiently cut out part of a video?
Question:
I want to remove the first few seconds from a video that’s about 25 minutes long. I found the moviepy package, and tried writing this code:
from moviepy.editor import *
clip = VideoFileClip("video1.mp4").cutout(0, 7)
clip.write_videofile("test.mp4")
However, it’s very slow even for a single video. Is there a faster way to do this in Python?
Answers:
Try this and tell us if it is faster (if it can, it will extract the video directly using ffmpeg, without decoding and reencoding):
from moviepy.video.io.ffmpeg_tools import ffmpeg_extract_subclip
ffmpeg_extract_subclip("video1.mp4", start_time, end_time, targetname="test.mp4")
If that doesn’t help, have a look at the code
from moviepy.video.io.ffmpeg_tools import ffmpeg_extract_subclip
ffmpeg_extract_subclip("video1.mp4", t1, t2, targetname="test.mp4")
t1 and t2 in this code represent the start time and end time for trimming. Video before t1 and after t2 will be omitted.
If you are new to moviepy you should follow these steps.
Installation :
pip install --trusted-host pypi.python.org moviepy
pip install imageio-ffmpeg
Installation (in your virtualenv) version for old systems :
pip install --trusted-host pypi.python.org moviepy
python
import imageio
imageio.plugins.ffmpeg.download()
After these commands, you have the minimal software requirements.
Usage
from moviepy.video.io.ffmpeg_tools import ffmpeg_extract_subclip
# ffmpeg_extract_subclip("full.mp4", start_seconds, end_seconds, targetname="cut.mp4")
ffmpeg_extract_subclip("full.mp4", 60, 300, targetname="cut.mp4")
The ffmpeg_extract_subclip did not produce correct results for me for some videos. The following code from this link worked though.
# Import everything needed to edit video clips
from moviepy.editor import *
# loading video gfg
clip = VideoFileClip("geeks.mp4")
# getting only first 5 seconds
clip = clip.subclip(0, 5)
# showing clip
clip.ipython_display(width = 360)
Then you can save the clip as follows:
clip.write_videofile("clip.mp4")
I want to remove the first few seconds from a video that’s about 25 minutes long. I found the moviepy package, and tried writing this code:
from moviepy.editor import *
clip = VideoFileClip("video1.mp4").cutout(0, 7)
clip.write_videofile("test.mp4")
However, it’s very slow even for a single video. Is there a faster way to do this in Python?
Try this and tell us if it is faster (if it can, it will extract the video directly using ffmpeg, without decoding and reencoding):
from moviepy.video.io.ffmpeg_tools import ffmpeg_extract_subclip
ffmpeg_extract_subclip("video1.mp4", start_time, end_time, targetname="test.mp4")
If that doesn’t help, have a look at the code
from moviepy.video.io.ffmpeg_tools import ffmpeg_extract_subclip
ffmpeg_extract_subclip("video1.mp4", t1, t2, targetname="test.mp4")
t1 and t2 in this code represent the start time and end time for trimming. Video before t1 and after t2 will be omitted.
If you are new to moviepy you should follow these steps.
Installation :
pip install --trusted-host pypi.python.org moviepy
pip install imageio-ffmpeg
Installation (in your virtualenv) version for old systems :
pip install --trusted-host pypi.python.org moviepy
python
import imageio
imageio.plugins.ffmpeg.download()
After these commands, you have the minimal software requirements.
Usage
from moviepy.video.io.ffmpeg_tools import ffmpeg_extract_subclip
# ffmpeg_extract_subclip("full.mp4", start_seconds, end_seconds, targetname="cut.mp4")
ffmpeg_extract_subclip("full.mp4", 60, 300, targetname="cut.mp4")
The ffmpeg_extract_subclip did not produce correct results for me for some videos. The following code from this link worked though.
# Import everything needed to edit video clips
from moviepy.editor import *
# loading video gfg
clip = VideoFileClip("geeks.mp4")
# getting only first 5 seconds
clip = clip.subclip(0, 5)
# showing clip
clip.ipython_display(width = 360)
Then you can save the clip as follows:
clip.write_videofile("clip.mp4")