When editing video using FFmpeg, removing black bars will be the main target because they are very annoying especially in a movie. Part 1: User Guide to Crop Video Using FFmpeg Part 2: Recommend Filmora Video Editor for Cropping Video.Part 1: User Guide to Crop Video Using FFmpeg.
There is limit, round and reset which all play different roles in the cropping procedures with FFmpeg. This feature has different arguments for configuration that you should not lose focus on. To get that done, you must use cropdetect filter of the FFplay feature. When starting off, it will be paramount on you to determine the right values for your cropping filter. You can crop a video file using FFmpeg and it is not complex at all.
In this case, just keep crop=704:416:8:80 EditĪctually, the result should take in account the lowest x1, highest x2, lowest y1 and highest y2, then create a rectangle multiple of 16 inside it.Is it possible to Crop Video with FFmpeg? to crop the video.īut these values are not always the same inside one video how can I extract 'the biggest values' out of these hundreds of lines? So the last part : crop= gives the result of the remaining frame (width, hight, starting x point starting y point. The thing is : all videos are different, I cannot use one static value, thus I use the wonderful cropdetect tool by ffmpeg which outputs me this kind of lines in the cli: x1:22 x2:697 y1:93 y2:483 w:672 h:384 x:24 y:98 pts:63 t:2.520000 crop=672:384:24:98 The whole process is ready but I'm stuck at the first part: cropping the black bars. I'd like to automate this reconversion from DV to some lighter and uptodate h264 mp4 I'm converting an old archive of 18000 commercials
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