libavcodec/rv40data.h File Reference

miscellaneous RV40 tables More...

#include <stdint.h>

Go to the source code of this file.

Defines
#define	MODE2_PATTERNS_NUM   20
Variables
static const uint16_t	rv40_aic_table_index [MODE2_PATTERNS_NUM]
	intra types table
static const uint8_t	rv40_luma_dc_quant [2][32]
	luma quantizer values The second table is used for inter blocks.
static const int	rv40_standard_widths [] = { 160, 172, 240, 320, 352, 640, 704, 0}
	standard widths and heights coded in RV40
static const int	rv40_standard_heights [] = { 120, 132, 144, 240, 288, 480, -8, -10, 180, 360, 576, 0}
Coefficients used by the RV40 loop filter
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

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Detailed Description

miscellaneous RV40 tables

Definition in file rv40data.h.

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Define Documentation

#define MODE2_PATTERNS_NUM   20

Definition at line 40 of file rv40data.h.

Referenced by rv40_decode_intra_types().

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Variable Documentation

const uint16_t rv40_aic_table_index[MODE2_PATTERNS_NUM] [static]

Initial value:

 {
 0x000, 0x100, 0x200,
 0x011, 0x111, 0x211, 0x511, 0x611,
 0x022, 0x122, 0x222, 0x722,
 0x272, 0x227,
 0x822, 0x282, 0x228,
 0x112, 0x116, 0x221
}

intra types table

These values are actually coded 3-tuples used for detecting standard block configurations.

Definition at line 47 of file rv40data.h.

Referenced by rv40_decode_intra_types().

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 73 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 80 of file rv40data.h.

Referenced by rv40_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 85 of file rv40data.h.

Referenced by rv40_loop_filter().

const uint8_t rv40_luma_dc_quant[2][32] [static]

Initial value:

 {
 {  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15,
   16, 17, 17, 18, 18, 18, 19, 19, 19, 20, 20, 20, 22, 22, 22, 22 },
 {  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15,
   16, 17, 18, 19, 20, 20, 21, 21, 22, 23, 23, 23, 24, 24, 24, 24 }
}

luma quantizer values The second table is used for inter blocks.

Definition at line 60 of file rv40data.h.

Referenced by rv40_decode_init().

const int rv40_standard_heights[] = { 120, 132, 144, 240, 288, 480, -8, -10, 180, 360, 576, 0} [static]

Definition at line 37 of file rv40data.h.

Referenced by rv40_parse_picture_size().

const int rv40_standard_widths[] = { 160, 172, 240, 320, 352, 640, 704, 0} [static]

standard widths and heights coded in RV40

Definition at line 36 of file rv40data.h.

Referenced by rv40_parse_picture_size().