FFMPEG convert prores444 to quicktime compatible

ffmpegtip

-c:v libx264 -color_primaries bt470bg -preset slow -profile:v high -level 3.0 -pix_fmt yuv420p -vf "scale=trunc(iw/2)*2:trunc(ih/2)*2" -c:a libfdk_aac -b:a 128k "$newpath.mp4"

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as part of the following:

#Compile ffmpeg into /usr/local/bin/ffmpeg; compilation required to include libfdk-aac for mp4 audio
#converts from mp4 to other web formats; can likely comment out mp4 encoding if existing file is already a good size
#Using: ffmpeg version N-70742-gd79f7bf-tessus Copyright (c) 2000-2015 the FFmpeg developers built with Apple LLVM version 6.0 (clang-600.0.57) (based on LLVM 3.5svn) configuration: --prefix=/usr/local --as=yasm --extra-version=tessus --disable-shared --enable-static --disable-ffplay --enable-gpl --enable-version3 --enable-nonfree --enable-libfdk-aac --enable-libfreetype --enable-pthreads --enable-postproc --enable-libmp3lame --enable-libtheora --enable-libvorbis --enable-libx264 --enable-libx265 --enable-libxvid --enable-libspeex --enable-bzlib --enable-zlib --enable-libsoxr --enable-libwavpack --enable-libvo-aacenc --enable-libvpx --enable-libgsm --enable-libopus --enable-libmodplug --enable-fontconfig --enable-libfreetype --enable-libass --enable-libbluray --enable-filters --disable-indev=qtkit --disable-indev=x11grab_xcb --enable-runtime-cpudetect

for f in "$@"
do
	ext=${f##*.}
	basepath=`dirname "$f"`
	filename=`basename "$f"`
	rootname=`basename "$f" ".$ext"`
	newpath="$basepath/output/$rootname"
	mkdir -p "$basepath/output/"
    /usr/local/bin/ffmpeg -i "$f" -y 2> "$HOME"/Desktop/ffmpeglogger.txt \
	-c:v libx264 -color_primaries bt470bg -preset slow -profile:v high -level 3.0 -pix_fmt yuv420p -vf "scale=trunc(iw/2)*2:trunc(ih/2)*2" -c:a libfdk_aac -b:a 128k "$newpath.mp4" 
	done