ffmpeg commands collection

concat_mp4.sh

$ cat files.txt
file '/path/to/file1'
file '/path/to/file2'
file '/path/to/file3'

$ ffmpeg -f concat -safe 0 -i files.txt -c copy output.mp4

cut_video.sh

ffmpeg -i input.mp4 -ss 00:01:06.65 -to 00:01:08:10 -c:v copy -c:a copy -c:s copy out.mp4

edit_video.sh

# Edit file resolution and quality

# -crf value from 0 to 51, the higher the value, the lower quantity of output file (recommended value: 23)

ffmpeg -i MyMovie.mkv -vf scale=-1:720 -c:v libx264 -crf 0 -preset veryslow -c:a copy MyMovie_720p.mkv

# or

ffmpeg -i input.mkv -map 0:1 [-map 0:x] -c:v libx264 -crf 23 -preset veryslow -c:a copy -c:s copy output.mkv

# or using x265 encoder with main10 profile (crf 28, default value)

ffmpeg -i input.mkv -map 0:1 [-map 0:x] -c:v libx265 -preset veryslow -c:a copy -c:s copy -pix_fmt yuv420p10le output.mkv

soft_sub_to_hard_sub.sh

# Convert soft sub to hard sub
# Source: https://superuser.com/questions/1024850/how-can-i-convert-a-mkv-to-mp4-using-ffmpeg-and-hardsub-the-subtitles

ffmpeg -i old_video.mkv -vf subtitles=old_video.mkv -acodec copy new_video.mp4