用ffmpeg转换mov到mp4

This is my personal list of functions that I wrote for converting mov files to mp4!

Command Flags

Flag	Options	Description
-codec:a	libfaac, libfdk_aac, libvorbis	Audio Codec
-quality	best, good, realtime	Video Quality
-b:a	128k, 192k, 256k, 320k	Audio Bitrate
-codec:v	mpeg4, libx264, libvpx-vp9	Video Codec
-b:v	1000, 2500, 5000, 8000	Video Bitrate
-vf scale	-1:X	Resize Video (X is height)
-qmin 10 -qmax 42	???	I don’t really know what is this for, help related to this is welcome…

MP4 - 1080p

ffmpeg -i input.mov -preset slow -codec:a libfdk_aac -b:a 128k -codec:v libx264 -pix_fmt yuv420p -b:v 4500k -minrate 4500k -maxrate 9000k -bufsize 9000k -vf scale=-1:1080 intro-1080p.mp4

MP4 - 720p

ffmpeg -i input.mov -preset slow -codec:a libfdk_aac -b:a 128k -codec:v libx264 -pix_fmt yuv420p -b:v 2500k -minrate 1500k -maxrate 4000k -bufsize 5000k -vf scale=-1:720 intro-720p.mp4

MP4 - 480p

ffmpeg -i input.mov -preset slow -codec:a libfdk_aac -b:a 128k -codec:v libx264 -pix_fmt yuv420p -b:v 1000k -minrate 500k -maxrate 2000k -bufsize 2000k -vf scale=854:480 intro-480p.mp4

MP4 - 360p

ffmpeg -i input.mov -preset slow -codec:a libfdk_aac -b:a 128k -codec:v libx264 -pix_fmt yuv420p -b:v 750k -minrate 400k -maxrate 1000k -bufsize 1500k -vf scale=-1:360 intro-360p.mp4