coefficients used by the RV40 loop filter

Variables
static const uint8_t	rv40_dither_l [16]
	dither values for deblocking filter - left/top values
static const uint8_t	rv40_dither_r [16]
	dither values for deblocking filter - right/bottom values
static const uint8_t	rv40_alpha_tab [32]
	alpha parameter for RV40 loop filter - almost the same as in JVT-A003r1
static const uint8_t	rv40_beta_tab [32]
	beta parameter for RV40 loop filter - almost the same as in JVT-A003r1
static const uint8_t	rv40_filter_clip_tbl [3][32]
	clip table for RV40 loop filter - the same as in JVT-A003r1

---

Variable Documentation

const uint8_t rv40_alpha_tab[32] [static]

Initial value:

 {
    128, 128, 128, 128, 128, 128, 128, 128,
    128, 128, 122,  96,  75,  59,  47,  37,
     29,  23,  18,  15,  13,  11,  10,   9,
      8,   7,   6,   5,   4,   3,   2,   1
}

alpha parameter for RV40 loop filter - almost the same as in JVT-A003r1

Definition at line 87 of file rv40data.h.

Referenced by rv40_loop_filter().

const uint8_t rv40_beta_tab[32] [static]

Initial value:

 {
     0,  0,  0,  0,  0,  0,  0,  0,  3,  3,  3,  4,  4,  4,  6,  6,
     6,  7,  8,  8,  9,  9, 10, 10, 11, 11, 12, 13, 14, 15, 16, 17
}

beta parameter for RV40 loop filter - almost the same as in JVT-A003r1

Definition at line 94 of file rv40data.h.

Referenced by rv40_loop_filter().

const uint8_t rv40_dither_l[16] [static]

Initial value:

 {
    0x40, 0x50, 0x20, 0x60, 0x30, 0x50, 0x40, 0x30,
    0x50, 0x40, 0x50, 0x30, 0x60, 0x20, 0x50, 0x40
}

dither values for deblocking filter - left/top values

Definition at line 74 of file rv40data.h.

Referenced by rv40_adaptive_loop_filter().

const uint8_t rv40_dither_r[16] [static]

Initial value:

 {
    0x40, 0x30, 0x60, 0x20, 0x50, 0x30, 0x30, 0x40,
    0x40, 0x40, 0x50, 0x30, 0x20, 0x60, 0x30, 0x40
}

dither values for deblocking filter - right/bottom values

Definition at line 81 of file rv40data.h.

Referenced by rv40_adaptive_loop_filter().

const uint8_t rv40_filter_clip_tbl[3][32] [static]

Initial value:

 {
    {
        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
    },
    {
        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1,
        1, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 5, 5
    },
    {
        0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1,
        1, 2, 2, 2, 2, 3, 3, 3, 4, 4, 5, 5, 5, 7, 8, 9
    }
}

clip table for RV40 loop filter - the same as in JVT-A003r1

Definition at line 99 of file rv40data.h.

Referenced by rv40_loop_filter().