Flag mappings per application

FFMPEG

 :audio-frames :aframes
 :audio-sampling-frequency :ar
 :audio-quality :aq
 :audio-sync :async
 :aspect-ratio :aspect
 :audio-codec :acodec
 :audio-sample-format :sample_fmt
 :audio-filtergraph :af
 :audio-force-tag :atag
 :copy-timebase :copytb
 :calculate-psnr :psnr
 :duration :t
 :disable-audio :an
 :disable-video :vn
 :data-frames :dframes
 :dump-payload :hex
 :disable-subtitles :sn
 :enable-interaction :stdin
 :frame-rate :r
 :frame-size :s
 :format :f
 :file-size-limit :fs
 :hardware-acceleration :hwaccel
 :hardware-acceleration-device :hwaccel_device
 :hardware-accelleration-list :hwaccels
 :intra-dc-precision :dc
 :initial-demux-decode-delay :muxpreload
 :input-url :i
 :input-time-offset :itsoffset
 :interlacing :ilme
 :maximum-demux-decode-delay :muxdelay
 :never-overwrite-output :n
 :no-filter :dn
 :no-auto-selection :dn
 :no-auto-map :dn
 :overwrite-output :y
 :preset :pre
 :print-timestamps :debug_ts
 :pixel-format :pix_fmt
 :quality-scale :q
 :rate-control-override :rc_override
 :read-at-native-framerate :re
 :rescale-input-timestamps :itsscale
 :subtitle-codec :scodec
 :subtitle-offset :fix_sub_duration
 :stop-at :to
 :seek-to :ss
 :seek-to-from-eof :sseof
 :show-license :L
 :show-bitstream-filters :bsfs
 :swscaler-flags :sws_flags
 :show-qp-histogram :qphist
 :subtitle-canvas-size :canvas_size
 :set-bitstream-filters :bsf
 :stop-on-error :xerror
 :video-frames :vframes
 :video-filtergraph :vf
 :video-sync :vsync

FFPLAY

 :disable-audio :an
 :disable-subtitles :sn
 :disable-video :vn
 :duration :t
 :exit-on-finished :autoexit
 :force-format :f
 :force-height :y
 :force-width :x
 :fullscreen :fs
 :input-url :i
 :no-display :nodisp
 :seek :ss
 :window-x-pos :left
 :window-y-pos :top

FFPROBE

 :bitstream-filters :bsfs
 :force-format :f
 :input-url :i
 :license :L
 :output-format :of
 :pixel-formats :pix_fmts