Ffmpeg

From Cheatsheet

ffpmeg is a conversion utility for various flavors of video to various other flavors, you can read about it here conversion_script

ffmpeg

detect

ffmpeg -i filename.avi

convert reference

 ffmpeg -i tufftrucks1001.avi -ar 22050 -ab 32 -f flv -s 600x400 tufftruck1001.flv
 ffmpeg  -i 00304_VideoTraxx.mov -ar 22050 -ab 56 -b 200 -r 12 -f flv -s 600x400 -acodec mp3 -ac 1 00304.flv
 ffmpeg  -i 00299_VideoTraxx.mov -ar 43242 -b 200 -r 12 -f flv -s 600x400 -acodec mp3 -ac 1 00304.flv

this one works

 ffmpeg  -i 00299_VideoTraxx.mov -ar 43242 -f flv -s 600x400 00304.flv

options

 -ar audio sampling freq., default = 44100Hz
 -b bitrate, default = 200kb/s
 -f force format (output)
 -r frame rate fps
 -s size 
 -t time limit, how long of video you want to output
 -y overwrite the output file, if it exists

thumbnail

 fmpeg -i tufftrucks1001.avi -s 174x116 -ss 5 -vframes 1 -f mjpeg -y test1.jpg
 ffmpeg -i tufftruck3.flv -s 174x116 -an -ss 4 -vframes 1 -f image2 -y test1.jpg
 ffmpeg -i swing.avi -s 320×240 -ss 5 -vframes 1 -f image2 swing.jpg

install ffmpeg

with latest (or pretty close) libs

 apt-get install yasm gcc elinks g++ build-essential subversion automake libtool
 mkdir /usr/src/ffmpeg
 cd /usr/src/ffmpeg

download the codecs, start with ogg

 wget http://downloads.xiph.org/releases/ogg/libogg-1.1.3.tar.gz
 wget http://downloads.xiph.org/releases/ogg/libogg-1.2.0.tar.gz
 tar xfvz libogg-1.2.0.tar.gz
 cd libogg-1.2.0
 ./configure
 make
 make install
 svn co http://svn.xiph.org/trunk/theora
 ./autogen.sh
 make
 make install
 cd ..

x264

 elinks ftp://ftp.videolan.org/pub/videolan/x264/snapshots/
 tar xjvf x264-snapshotxxxxxxxxxxxxxx.bz2
 cd x264-snapshotxxxxxxxxxxxxxx
 make
 make install
 cd ..

liblame

 wget http://downloads.sourceforge.net/project/lame/lame/3.98.4/lame-3.98.4.tar.gz?use_mirror=softlayer
 tar xfvz lame-3.98.4.tar.gz
 cd lame-3.98.4
 ./configure
 make
 make install
 cd ..

libfaac

 elinks http://www.audiocoding.com/downloads.html
 tar xfvz faac-1.28.tar.gz
 cd libfaac-1.28
 ./configure
 make 
 make install

xvid

 wget http://downloads.xvid.org/downloads/xvidcore-1.2.2.tar.gz
 tar xfvz xvidcore-1.2.2.tar.gz
 cd xvidcore/build/generic
 ./configure
 make
 make install
 cd ../../../

ffmpeg

 svn checkout svn://svn.mplayerhq.hu/ffmpeg/trunk ffmpeg
 cd ffmpeg
 ./configure --enable-libmp3lame --enable-libx264 --enable-libxvid --enable-pthreads --enable-gpl --enable-libfaac --enable-nonfree
 make
 make install
 ldconfig
 ffmpeg

to update ffmpeg later

 make distclean
 svn update