snowdata.h File Reference

#include "snow.h"
#include "libavutil/mem_internal.h"

Go to the source code of this file.

Variables
static const uint8_t	obmc32 [1024]
static const uint8_t	obmc16 [256]
static const uint8_t	obmc8 [64]
static const uint8_t	obmc4 [16]
const int8_t	ff_quant3bA [256]
const uint8_t *const	ff_obmc_tab [4]
const uint8_t	ff_qexp [QROOT]
int	ff_scale_mv_ref [MAX_REF_FRAMES][MAX_REF_FRAMES]

Variable Documentation

obmc32

const uint8_t obmc32[1024]

static

Definition at line 28 of file snowdata.h.

obmc16

const uint8_t obmc16[256]

static

Initial value:

={
  0,  1,  1,  2,  2,  3,  3,  4,  4,  3,  3,  2,  2,  1,  1,  0,
  1,  2,  4,  5,  7,  8, 10, 11, 11, 10,  8,  7,  5,  4,  2,  1,
  1,  4,  6,  9, 11, 14, 16, 19, 19, 16, 14, 11,  9,  6,  4,  1,
  2,  5,  9, 12, 16, 19, 23, 26, 26, 23, 19, 16, 12,  9,  5,  2,
  2,  7, 11, 16, 20, 25, 29, 34, 34, 29, 25, 20, 16, 11,  7,  2,
  3,  8, 14, 19, 25, 30, 36, 41, 41, 36, 30, 25, 19, 14,  8,  3,
  3, 10, 16, 23, 29, 36, 42, 49, 49, 42, 36, 29, 23, 16, 10,  3,
  4, 11, 19, 26, 34, 41, 49, 56, 56, 49, 41, 34, 26, 19, 11,  4,
  4, 11, 19, 26, 34, 41, 49, 56, 56, 49, 41, 34, 26, 19, 11,  4,
  3, 10, 16, 23, 29, 36, 42, 49, 49, 42, 36, 29, 23, 16, 10,  3,
  3,  8, 14, 19, 25, 30, 36, 41, 41, 36, 30, 25, 19, 14,  8,  3,
  2,  7, 11, 16, 20, 25, 29, 34, 34, 29, 25, 20, 16, 11,  7,  2,
  2,  5,  9, 12, 16, 19, 23, 26, 26, 23, 19, 16, 12,  9,  5,  2,
  1,  4,  6,  9, 11, 14, 16, 19, 19, 16, 14, 11,  9,  6,  4,  1,
  1,  2,  4,  5,  7,  8, 10, 11, 11, 10,  8,  7,  5,  4,  2,  1,
  0,  1,  1,  2,  2,  3,  3,  4,  4,  3,  3,  2,  2,  1,  1,  0,
 
}

Definition at line 63 of file snowdata.h.

obmc8

const uint8_t obmc8[64]

static

Initial value:

={
  1,  3,  5,  7,  7,  5,  3,  1,
  3,  9, 15, 21, 21, 15,  9,  3,
  5, 15, 25, 35, 35, 25, 15,  5,
  7, 21, 35, 49, 49, 35, 21,  7,
  7, 21, 35, 49, 49, 35, 21,  7,
  5, 15, 25, 35, 35, 25, 15,  5,
  3,  9, 15, 21, 21, 15,  9,  3,
  1,  3,  5,  7,  7,  5,  3,  1,
 
}

Definition at line 84 of file snowdata.h.

obmc4

const uint8_t obmc4[16]

static

Initial value:

={
  4, 12, 12,  4,
 12, 36, 36, 12,
 12, 36, 36, 12,
  4, 12, 12,  4,
 
}

Definition at line 97 of file snowdata.h.

Referenced by add_yblock(), and ff_snow_inner_add_yblock_c().

ff_quant3bA

const int8_t ff_quant3bA[256]

Initial value:

={
 0, 0, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
}

Definition at line 105 of file snowdata.h.

Referenced by encode_subband_c0run(), and unpack_coeffs().

ff_obmc_tab

const uint8_t* const ff_obmc_tab[4]

Initial value:

= {
    obmc32, obmc16, obmc8, obmc4
}

Definition at line 124 of file snowdata.h.

Referenced by checkasm_check_inner_add_yblock(), get_4block_rd(), get_dc(), iterative_me(), predict_slice(), and predict_slice_buffered().

ff_qexp

const uint8_t ff_qexp[QROOT]

Initial value:

= {
    128, 131, 134, 137, 140, 143, 146, 149, 152, 156, 159,
    162, 166, 170, 173, 177, 181, 185, 189, 193, 197, 202,
    206, 211, 215, 220, 225, 230, 235, 240, 245, 251,
}

Definition at line 129 of file snowdata.h.

Referenced by decode_subband_slice_buffered(), dequantize(), dequantize_slice_buffered(), quantize(), and ratecontrol_1pass().

ff_scale_mv_ref

int ff_scale_mv_ref[MAX_REF_FRAMES][MAX_REF_FRAMES]

Definition at line 136 of file snowdata.h.

Referenced by mca(), and pred_mv().