F_amplify: Amplify changes between successive video frames.
F_atadenoise: Apply an Adaptive Temporal Averaging Denoiser.
F_avgblur: Apply average blur filter.
+F_backgroundkey: Turns a static background into transparency.
F_bbox: Compute bounding box for each frame.
F_bench: Benchmarks part of a filtergraph.
F_bilateral: Apply bilateral filter, spatial smoothing while
boxblur applied to luma, chroma and alpha.
F_bwdif: Deinterlaces the input image.
F_cas: Apply Contrast Adaptive Sharpen filter to video.
+F_ccrepack: Repack CEA-708 closed caption metadata.
F_cellauto: Create pattern generated by an elementart cellular
automaton.
F_chromahold: Turns a certain color range into gray.
F_yaepblur: Yet another edge preserving blur filter.
F_yuvtestsrc: Generate YUV test pattern.
F_zoompan: Applies Zoom & Pan effect.
+F_zoneplate: Generate zone-plate.
#
# Description of FFmpeg Audio Plugins
#
F_aderivative: Compute derivative of input audio.
F_adynamicequalizer: Apply dynamic equalization to input
audio stream.
+F_adrc: Audio spectral dynamic range controller.
F_adynamicsmooth: Apply dynamic smoothing to input audio stream.
F_aecho: Adds echoing to the audio.
F_aemphasis: Audio emphasis.
F_aeval: Filters audio signal according to specific expression.
F_aexciter: Enhance high frequency part of audio.
F_afade: Fades in/out input audio.
+F_afdelaysrc: Generate a fractional delay FIR coefficients.
F_aformat: Convert the input audio to the specified format.
F_afreqshift: Apply frequency shifting to input audio.
F_afwtdn: Reduce broadband noise from input samples using