"-b 320000" instead of "-sameq" to get smaller file sizes.įfmpeg -i in.mp4 -vcodec libx264 -crf 23 -preset fast -profile:v baseline \ Source, but output file will be very big. The "-acodec copy" will cause ffmpeg to copy the audio from input to outputįile, while "-sameq" causes the output video quality to be the same as the # If your video is greater than 720p, add the following after the input:įfmpeg -i test.mov -profile:v baseline -level 3.0 test.mp4įfmpeg -i the_heist-RRZyz1vXkPE.flv -acodec copy -sameq heist.mpg
qmin 3 -qmax 5 -bufsize 4096 -g 300 -acodec aac \
#FFMPEG CRF SCALE MP4#
# this maintains the proper aspect ratio for a 16:9 videoįfmpeg -i some_movie.avi -f mp4 -vcodec xvid -maxrate 1000 \ # figure out the aspect ratio of an existing video file: strict experimental -mbd 2 -s 320x240 -ab 128 -b 400 some_movie.mp4 qmin 3 -qmax 5 -bufsize 4096 -g 300 -acodec aac
# we can form this command to a script convert2mp4.shįfmpeg -i $1 -s 480x320 -b 1000k -strict -2 /tmp/$1.mp4įfmpeg -i some_movie.avi -f mp4 -vcodec libxvid -maxrate 1000 \ preset veryslow -profile:v baseline -level 3 # This command is for converting to format suitable for ipod classic: How can we convert a folder containing mp4s to mp3s?
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