Filter spp
  Apply a simple post processing filter.
    Inputs:
       #0: default (video)
    Outputs:
       #0: default (video)
spp AVOptions:
  quality           <int>        ..FV.... 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                         ..FV.... hard thresholding
     soft                         ..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                         E..V.... autoselect a good one
     fastint                      E..V.... fast integer (experimental / for debugging)
     int                          E..V.... accurate integer
     mmx                          E..V.... experimental / for debugging
     altivec                      E..V.... experimental / for debugging
     faan                         E..V.... floating point AAN DCT (experimental / for debugging)
  -idct              <int>        ED.V.... select IDCT implementation (from 0 to INT_MAX) (default auto)
     auto                         ED.V.... autoselect a good one
     int                          ED.V.... experimental / for debugging
     simple                       ED.V.... experimental / for debugging
     simplemmx                    ED.V.... experimental / for debugging
     arm                          ED.V.... experimental / for debugging
     altivec                      ED.V.... experimental / for debugging
     simplearm                    ED.V.... experimental / for debugging
     simplearmv5te                ED.V.... experimental / for debugging
     simplearmv6                  ED.V.... experimental / for debugging
     simpleneon                   ED.V.... experimental / for debugging
     xvid                         ED.V.... experimental / for debugging
     xvidmmx                      ED.V.... experimental / for debugging
     faani                        ED.V.... floating point AAN IDCT (experimental / for debugging)
     simpleauto                   ED.V.... experimental / for debugging

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

