void(* add_pixels_clamped)(const int16_t *block, uint8_t *pixels, int line_size)
void(* idct_add)(uint8_t *dest, int line_size, int16_t *block)
block -> idct -> add dest -> clip to unsigned 8 bit -> dest.
void(* idct_put)(uint8_t *dest, int line_size, int16_t *block)
block -> idct -> clip to unsigned 8 bit -> dest.
int idct_algo
IDCT algorithm, see FF_IDCT_* below.
main external API structure.
void(* put_pixels_clamped)(const int16_t *block, uint8_t *pixels, int line_size)
void(* put_signed_pixels_clamped)(const int16_t *block, uint8_t *pixels, int line_size)
void(* idct)(int16_t *block)
enum idct_permutation_type perm_type