snowdata.h File Reference

#include "snow.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 27 of file snowdata.h.

obmc16

const uint8_t obmc16[256]

static

Initial value:

={
  0,  4,  4,  8,  8, 12, 12, 16, 16, 12, 12,  8,  8,  4,  4,  0,
  4,  8, 16, 20, 28, 32, 40, 44, 44, 40, 32, 28, 20, 16,  8,  4,
  4, 16, 24, 36, 44, 56, 64, 76, 76, 64, 56, 44, 36, 24, 16,  4,
  8, 20, 36, 48, 64, 76, 92,104,104, 92, 76, 64, 48, 36, 20,  8,
  8, 28, 44, 64, 80,100,116,136,136,116,100, 80, 64, 44, 28,  8,
 12, 32, 56, 76,100,120,144,164,164,144,120,100, 76, 56, 32, 12,
 12, 40, 64, 92,116,144,168,196,196,168,144,116, 92, 64, 40, 12,
 16, 44, 76,104,136,164,196,224,224,196,164,136,104, 76, 44, 16,
 16, 44, 76,104,136,164,196,224,224,196,164,136,104, 76, 44, 16,
 12, 40, 64, 92,116,144,168,196,196,168,144,116, 92, 64, 40, 12,
 12, 32, 56, 76,100,120,144,164,164,144,120,100, 76, 56, 32, 12,
  8, 28, 44, 64, 80,100,116,136,136,116,100, 80, 64, 44, 28,  8,
  8, 20, 36, 48, 64, 76, 92,104,104, 92, 76, 64, 48, 36, 20,  8,
  4, 16, 24, 36, 44, 56, 64, 76, 76, 64, 56, 44, 36, 24, 16,  4,
  4,  8, 16, 20, 28, 32, 40, 44, 44, 40, 32, 28, 20, 16,  8,  4,
  0,  4,  4,  8,  8, 12, 12, 16, 16, 12, 12,  8,  8,  4,  4,  0,
 
}

Definition at line 62 of file snowdata.h.

obmc8

const uint8_t obmc8[64]

static

Initial value:

={
  4, 12, 20, 28, 28, 20, 12,  4,
 12, 36, 60, 84, 84, 60, 36, 12,
 20, 60,100,140,140,100, 60, 20,
 28, 84,140,196,196,140, 84, 28,
 28, 84,140,196,196,140, 84, 28,
 20, 60,100,140,140,100, 60, 20,
 12, 36, 60, 84, 84, 60, 36, 12,
  4, 12, 20, 28, 28, 20, 12,  4,
 
}

Definition at line 83 of file snowdata.h.

obmc4

const uint8_t obmc4[16]

static

Initial value:

={
 16, 48, 48, 16,
 48,144,144, 48,
 48,144,144, 48,
 16, 48, 48, 16,
 
}

Definition at line 96 of file snowdata.h.

Referenced by add_yblock(), and ff_snow_inner_add_yblock().

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 104 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 123 of file snowdata.h.

Referenced by 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 128 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 135 of file snowdata.h.

Referenced by mca(), and pred_mv().