sudo apt-get update

sudo apt-get install ffmpeg

/tmp$ ffmpeg -h

ffmpeg version 2.4.3-1ubuntu1~trusty6 Copyright (c) 2000-2014 the FFmpeg developers

built on Nov 22 2014 17:07:19 with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)

configuration: --prefix=/usr --extra-version='1ubuntu1~trusty6' --build-suffix=-ffmpeg --toolchain=hardened --extra-cflags= --extra-cxxflags= --libdir=/usr/lib/x86_64-linux-gnu --shlibdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --enable-gpl --enable-shared --disable-stripping --enable-avresample --enable-avisynth --enable-fontconfig --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libflite --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmodplug --enable-libmp3lame --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-librtmp --enable-libschroedinger --enable-libshine --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-opengl --enable-x11grab --enable-libxvid --enable-libx265 --enable-libdc1394 --enable-libiec61883 --enable-libzvbi --enable-libzmq --enable-frei0r --enable-libx264 --enable-libsoxr --enable-openal --enable-libopencv

libavutil 54. 7.100 / 54. 7.100

libavcodec 56. 1.100 / 56. 1.100

libavformat 56. 4.101 / 56. 4.101

libavdevice 56. 0.100 / 56. 0.100

libavfilter 5. 1.100 / 5. 1.100

libavresample 2. 1. 0 / 2. 1. 0

libswscale 3. 0.100 / 3. 0.100

libswresample 1. 1.100 / 1. 1.100

libpostproc 53. 0.100 / 53. 0.100

Hyper fast Audio and Video encoder

usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...

Getting help:

-h -- print basic options

-h long -- print more options

-h full -- print all options (including all format and codec specific options,very long)

See man ffmpeg for detailed description of the options.

Print help / information / capabilities:

-L show license

-h topic show help

-? topic show help

-help topic show help

--help topic show help

-version show version

-buildconf show build configuration

-formats show available formats

-devices show available devices

-codecs show available codecs

-decoders show available decoders

-encoders show available encoders

-bsfs show available bit stream filters

-protocols show available protocols

-filters show available filters

-pix_fmts show available pixel formats

-layouts show standard channel layouts

-sample_fmts show available audio sample formats

-colors show available color names

Global options (affect whole program instead of just one file:

-loglevel loglevel set logging level

-v loglevel set logging level

-report generate a report

-max_alloc bytes set maximum size of a single allocated block

-y overwrite output files

-n never overwrite output files

-stats print progress report during encoding

-max_error_rate ratio of errors (0.0: no errors,1.0: 100% error maximum error rate

-bits_per_raw_sample number set the number of bits per raw sample

-vol volume change audio volume (256=normal)

Per-file main options:

-f fmt force format

-c codec codec name

-codec codec codec name

-pre preset preset name

-map_Metadata outfile[,Metadata]:infile[,Metadata] set Metadata information of outfile from infile

-t duration record or transcode "duration" seconds of audio/video

-to time_stop record or transcode stop time

-fs limit_size set the limit file size in bytes

-ss time_off set the start time offset

-timestamp time set the recording timestamp ('now' to set the current time)

-Metadata string=string add Metadata

-target type specify target file type ("vcd","svcd","dvd","dv","dv50","pal-vcd","ntsc-svcd",...)

-apad audio pad

-frames number set the number of frames to record

-filter filter_graph set stream filtergraph

-filter_script filename read stream filtergraph description from a file

-reinit_filter reinit filtergraph on input parameter changes

-discard discard

Video options:

-vframes number set the number of video frames to record

-r rate set frame rate (Hz value,fraction or abbreviation)

-s size set frame size (WxH or abbreviation)

-aspect aspect set aspect ratio (4:3,16:9 or 1.3333,1.7777)

-vn disable video

-vcodec codec force video codec ('copy' to copy stream)

-timecode hh:mm:ss[:;.]ff set initial TimeCode value.

-pass n select the pass number (1 to 3)

-vf filter_graph set video filters

-ab bitrate audio bitrate (please use -b:a)

-b bitrate video bitrate (please use -b:v)

-dn disable data

Audio options:

-aframes number set the number of audio frames to record

-aq quality set audio quality (codec-specific)

-ar rate set audio sampling rate (in Hz)

-ac channels set number of audio channels

-an disable audio

-acodec codec force audio codec ('copy' to copy stream)

-af filter_graph set audio filters

Subtitle options:

-sn disable subtitle

-scodec codec force subtitle codec ('copy' to copy stream)

-stag fourcc/tag force subtitle tag/fourcc

-fix_sub_duration fix subtitles duration

-canvas_size size set canvas size (WxH or abbreviation)

-spre preset set the subtitle options to the indicated preset