aandcttab.c File Reference

#include <stdint.h>

Go to the source code of this file.

Variables
const uint16_t	ff_aanscales [64]
const uint16_t	ff_inv_aanscales [64]

Detailed Description

AAN (Arai, Agui and Nakajima) (I)DCT tables

Definition in file aandcttab.c.

Variable Documentation

ff_aanscales

const uint16_t ff_aanscales[64]

Initial value:

= {
    
    16384, 22725, 21407, 19266, 16384, 12873,  8867,  4520,
    22725, 31521, 29692, 26722, 22725, 17855, 12299,  6270,
    21407, 29692, 27969, 25172, 21407, 16819, 11585,  5906,
    19266, 26722, 25172, 22654, 19266, 15137, 10426,  5315,
    16384, 22725, 21407, 19266, 16384, 12873,  8867,  4520,
    12873, 17855, 16819, 15137, 12873, 10114,  6967,  3552,
    8867 , 12299, 11585, 10426,  8867,  6967,  4799,  2446,
    4520 ,  6270,  5906,  5315,  4520,  3552,  2446,  1247
}

Definition at line 26 of file aandcttab.c.

Referenced by dct_error(), encode_init(), ff_convert_matrix(), and get_qtable().

ff_inv_aanscales

const uint16_t ff_inv_aanscales[64]

Initial value:

= {
  4096,  2953,  3135,  3483,  4096,  5213,  7568, 14846,
  2953,  2129,  2260,  2511,  2953,  3759,  5457, 10703,
  3135,  2260,  2399,  2666,  3135,  3990,  5793, 11363,
  3483,  2511,  2666,  2962,  3483,  4433,  6436, 12625,
  4096,  2953,  3135,  3483,  4096,  5213,  7568, 14846,
  5213,  3759,  3990,  4433,  5213,  6635,  9633, 18895,
  7568,  5457,  5793,  6436,  7568,  9633, 13985, 27432,
 14846, 10703, 11363, 12625, 14846, 18895, 27432, 53809,
}

Definition at line 38 of file aandcttab.c.

Referenced by calc_quant_matrix(), dct_quantize_trellis_c(), tgq_calculate_qtable(), and tqi_calculate_qtable().