--tuneでdaala-distとcdef-distが有効にならない about cavif HOT 4 CLOSED

libaomを上げたところさらに増えたのでフラグだけ追加してみて実際に使われるか調べます

/*!\brief Model tuning parameters
 *
 * Changes the encoder to tune for certain types of input material.
 *
 */
typedef enum {
  AOM_TUNE_PSNR,
  AOM_TUNE_SSIM,
  AOM_TUNE_CDEF_DIST,
  AOM_TUNE_DAALA_DIST,
  AOM_TUNE_VMAF_WITH_PREPROCESSING,
  AOM_TUNE_VMAF_WITHOUT_PREPROCESSING,
  AOM_TUNE_VMAF_MAX_GAIN
} aom_tune_metric;

from cavif.

VMAFは別ライブラリが更に必要らしい、、、うーむ

from cavif.

VMAF can indeed be run on two images. In this case, compute_motion will return 0 value. The implication is that it will treat the single image as a static video shot.

意味は無くはなさそう

Can vmaf wrapper support compare 2 images · Issue #286 · Netflix/vmaf
Netflix/vmaf#286

from cavif.

https://aomedia.googlesource.com/aom/+/8afb8548a5153dfa5cf6436fa17bc4bf716f6a77

「使ってないenum消したぜ！」のコミットが入ったのでcavifからも消しました。

from cavif.