Here is a list of all struct and union fields with links to the structures/unions they belong to:

### - f -

- f : SpecifierOpt
- fail: : AbstractSession , <Session>
- ffmpegExecute: : FFmpegKitConfig
- ffprobeExecute: : FFmpegKitConfig
- file_idx : AudioChannelMap
- file_index : InputStream , OutputStream , StreamMap
- filter : InputFilter , OutputFilter , OutputStream
- filter_frame : InputStream
- filter_in_rescale_delta_last : InputStream
- filter_scripts : OptionsContext
- filtered_frame : OutputStream
- filters : InputStream , OptionsContext , OutputStream
- filters_script : OutputStream
- finished : OutputStream
- first_pts : OutputStream
- fix_sub_duration : InputStream , OptionsContext
- flags : OptionDef , OptionGroupDef , section , Writer
- fmt_ctx : InputFile
- force_fps : OptionsContext , OutputStream
- forced_key_frames : OptionsContext
- forced_keyframes : OutputStream
- forced_keyframes_expr_const_values : OutputStream
- forced_keyframes_pexpr : OutputStream
- forced_kf_count : OutputStream
- forced_kf_index : OutputStream
- forced_kf_pts : OutputStream
- forced_kf_ref_pts : OutputStream
- format : InputFilter , OptionsContext , OutputFilter
- format_opts : OptionGroup
- formats : OutputFilter
- frame : InputStream::sub2video
- frame_aspect_ratio : OutputStream
- frame_aspect_ratios : OptionsContext
- frame_number : OutputStream
- frame_pix_fmts : OptionsContext
- frame_queue : InputFilter
- frame_rate : OutputFilter , OutputStream
- frame_rates : OptionsContext
- frame_sizes : OptionsContext
- framerate : InputStream
- frames_decoded : InputStream
- frames_encoded : OutputStream
- from: : MediaInformationJsonParser
- from:with: : MediaInformationJsonParser
- fully_qualified : XMLContext
- func_arg : OptionDef