Rotate 90 clockwise: ffmpeg -i in.mov -vf “transpose=1” out.mov For the transpose parameter you can pass: 0 = 90CounterCLockwise and Vertical Flip (default) 1 = 90Clockwise 2 = 90CounterClockwise 3 = 90Clockwise and Vertical Flip Use -vf “transpose=2,transpose=2” for 180 degrees. Make sure you use a recent ffmpeg version from here (a static build will … Read more
The answer to the original question should not scale the video but instead fix the height not divisible by 2 error. This can be achieve using this filter: -vf “pad=ceil(iw/2)*2:ceil(ih/2)*2” Full command: ffmpeg -i frame_%05d.jpg -vcodec libx264 \ -vf “pad=ceil(iw/2)*2:ceil(ih/2)*2” -r 24 \ -y -an video.mp4 Basically, .h264 needs even dimensions so this filter will: … Read more
Use the vstack (vertical), hstack (horizontal), or xstack (custom layout) filters. It is easier and faster than other methods. Combine/stack two videos or images Vertical Using the vstack filter. ffmpeg -i input0 -i input1 -filter_complex vstack=inputs=2 output Videos must have the same width. Horizontal Using the hstack filter. ffmpeg -i input0 -i input1 -filter_complex hstack=inputs=2 … Read more
For Linux and macOS this can be done in one line, using parameter expansion to change the filename extension of the output file: for i in *.avi; do ffmpeg -i “$i” “${i%.*}.mp4”; done
FFmpeg has three concatenation methods: 1. concat video filter Use this method if your inputs do not have the same parameters (width, height, etc), or are not the same formats/codecs, or if you want to perform any filtering. Note that this method performs a re-encode of all inputs. If you want to avoid the re-encode, … Read more