Filter spp
  Apply a simple post processing filter.
    Inputs:
       #0: default (video)
    Outputs:
       #0: default (video)
spp AVOptions:
  quality           <int>        ..FV.....T. set quality (from 0 to 6) (default 3)
  qp                <int>        ..FV....... force a constant quantizer parameter (from 0 to 63) (default 0)
  mode              <int>        ..FV....... set thresholding mode (from 0 to 1) (default hard)
     hard            0            ..FV....... hard thresholding
     soft            1            ..FV....... soft thresholding
  use_bframe_qp     <boolean>    ..FV....... use B-frames' QP (default false)

AVDCT AVOptions:
  -dct               <int>        E..V....... DCT algorithm (from 0 to INT_MAX) (default auto)
     auto            0            E..V....... autoselect a good one
     fastint         1            E..V....... fast integer (experimental / for debugging)
     int             2            E..V....... accurate integer
     mmx             3            E..V....... experimental / for debugging
     altivec         5            E..V....... experimental / for debugging
     faan            6            E..V....... floating point AAN DCT (experimental / for debugging)
  -idct              <int>        ED.V....... select IDCT implementation (from 0 to INT_MAX) (default auto)
     auto            0            ED.V....... autoselect a good one
     int             1            ED.V....... experimental / for debugging
     simple          2            ED.V....... experimental / for debugging
     simplemmx       3            ED.V....... experimental / for debugging
     arm             7            ED.V....... experimental / for debugging
     altivec         8            ED.V....... experimental / for debugging
     simplearm       10           ED.V....... experimental / for debugging
     simplearmv5te   16           ED.V....... experimental / for debugging
     simplearmv6     17           ED.V....... experimental / for debugging
     simpleneon      22           ED.V....... experimental / for debugging
     xvid            14           ED.V....... experimental / for debugging
     xvidmmx         14           ED.V....... experimental / for debugging
     faani           20           ED.V....... floating point AAN IDCT (experimental / for debugging)
     simpleauto      128          ED.V....... experimental / for debugging

This filter has support for timeline through the 'enable' option.

