Constant libaom_sys::AV1E_SET_TARGET_SEQ_LEVEL_IDX

source · 
pub const AV1E_SET_TARGET_SEQ_LEVEL_IDX: aome_enc_control_id = 54;
Expand description

Control to set target sequence level index for a certain operating point (OP), int parameter Possible values are in the form of “ABxy”.

  • AB: OP index.
  • xy: Target level index for the OP. Possible values are:
    • 0~27: corresponding to level 2.0 ~ 8.3. Note:

      Levels 2.2 (2), 2.3 (3), 3.2 (6), 3.3 (7), 4.2 (10) & 4.3 (11) are undefined. Levels 7.x and 8.x (20~27) are in draft status, available under the config flag CONFIG_CWG_C013.

    • 31: maximum parameters level, no level-based constraints.
    • 32: keep level stats only for level monitoring.

E.g.:

  • “0” means target level index 0 (2.0) for the 0th OP;
  • “109” means target level index 9 (4.1) for the 1st OP;
  • “1019” means target level index 19 (6.3) for the 10th OP.

If the target level is not specified for an OP, the maximum parameters level of 31 is used as default.