Constants for DV codec. More...

#include <stdint.h>
#include "dvdata.h"

Variables
const uint8_t	ff_dv_zigzag248_direct [64]

const uint8_t	ff_dv_quant_shifts [22][4]

const uint8_t	ff_dv_quant_offset [4] = { 6, 3, 0, 1 }

const uint16_t	ff_dv_vlc_bits [NB_DV_VLC]

const uint8_t	ff_dv_vlc_len [NB_DV_VLC]

const uint8_t	ff_dv_vlc_run [NB_DV_VLC]

const uint8_t	ff_dv_vlc_level [NB_DV_VLC]

Detailed Description

Constants for DV codec.

Definition in file dvdata.c.

Variable Documentation

◆ ff_dv_zigzag248_direct

const uint8_t ff_dv_zigzag248_direct[64]

Initial value:

= {
     0,  8,  1,  9, 16, 24,  2, 10,
    17, 25, 32, 40, 48, 56, 33, 41,
    18, 26,  3, 11,  4, 12, 19, 27,
    34, 42, 49, 57, 50, 58, 35, 43,
    20, 28,  5, 13,  6, 14, 21, 29,
    36, 44, 51, 59, 52, 60, 37, 45,
    22, 30,  7, 15, 23, 31, 38, 46,
    53, 61, 54, 62, 39, 47, 55, 63,
}

Definition at line 33 of file dvdata.c.

Referenced by dv_init_enc_block(), and dvvideo_decode_init().

◆ ff_dv_quant_shifts

const uint8_t ff_dv_quant_shifts[22][4]

Initial value:

= {
    { 3, 3, 4, 4 },
    { 3, 3, 4, 4 },
    { 2, 3, 3, 4 },
    { 2, 3, 3, 4 },
    { 2, 2, 3, 3 },
    { 2, 2, 3, 3 },
    { 1, 2, 2, 3 },
    { 1, 2, 2, 3 },
    { 1, 1, 2, 2 },
    { 1, 1, 2, 2 },
    { 0, 1, 1, 2 },
    { 0, 1, 1, 2 },
    { 0, 0, 1, 1 },
    { 0, 0, 1, 1 },
    { 0, 0, 0, 1 },
    { 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 },
}