[nihav.git] / nihav-core / src / codecs / h263 / data.rs

use crate::io::codebook::CodebookDescReader;

#[allow(dead_code)]
pub const H263_SCALES: &[u8] = &[
    0, 1, 2, 3, 4, 5, 6, 6, 7, 8, 9, 9, 10, 10, 11, 11, 12, 12, 12, 13, 13, 13, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15 ];

#[allow(dead_code)]
pub const H263_DC_SCALES: &[u8] = &[
    0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62 ];

pub const H263_SCAN_H: &[usize] = &[
    0,   1,  2,  3,  8,  9, 16, 17,
    10, 11,  4,  5,  6,  7, 15, 14,
    13, 12, 19, 18, 24, 25, 32, 33,
    26, 27, 20, 21, 22, 23, 28, 29,
    30, 31, 34, 35, 40, 41, 48, 49,
    42, 43, 36, 37, 38, 39, 44, 45,
    46, 47, 50, 51, 56, 57, 58, 59,
    52, 53, 54, 55, 60, 61, 62, 63
];

pub const H263_SCAN_V: &[usize] = &[
    0,   8, 16, 24,  1,  9,  2, 10,
    17, 25, 32, 40, 48, 56, 57, 49,
    41, 33, 26, 18,  3, 11,  4, 12,
    19, 27, 34, 42, 50, 58, 35, 43,
    51, 59, 20, 28,  5, 13,  6, 14,
    21, 29, 36, 44, 52, 60, 37, 45,
    53, 61, 22, 30,  7, 15, 23, 31,
    38, 46, 54, 62, 39, 47, 55, 63
];

pub const H263_SIZES: &[(usize, usize)] = &[
    (0, 0), (128, 96), (176, 144), (352, 288), (704, 576), (1408, 1152)
];

pub const H263_INTRA_MCBPC: &[(u8, u8)] = &[
    (1, 1), (1, 3), (2, 3), (3, 3), (1, 4), (1, 6), (2, 6), (3, 6), (1, 9)
];

pub const H263_INTER_MCBPC: &[(u8, u8)] = &[
    (1, 1), (3, 4), (2, 4), (5, 6), (3, 5), (4, 8), (3, 8), (3, 7),
    (3, 3), (7, 7), (6, 7), (5, 9), (4, 6), (4, 9), (3, 9), (2, 9),
    (2, 3), (5, 7), (4, 7), (5, 8), (1, 9), (0, 0), (0, 0), (0, 0),
    (2, 11), (12, 13), (14, 13), (15, 13)
];

pub const H263_CBPY: &[(u8, u8)] = &[
    ( 3, 4), ( 5, 5), ( 4, 5), ( 9, 4), ( 3, 5), ( 7, 4), ( 2, 6), (11, 4),
    ( 2, 5), ( 3, 6), ( 5, 4), (10, 4), ( 4, 4), ( 8, 4), ( 6, 4), ( 3, 2)
];

pub const H263_MV: &[(u8, u8)] = &[
    ( 1,  1), ( 1,  2), ( 1,  3), ( 1,  4), ( 3,  6), ( 5,  7), ( 4,  7), ( 3,  7),
    (11,  9), (10,  9), ( 9,  9), (17, 10), (16, 10), (15, 10), (14, 10), (13, 10),
    (12, 10), (11, 10), (10, 10), ( 9, 10), ( 8, 10), ( 7, 10), ( 6, 10), ( 5, 10),
    ( 4, 10), ( 7, 11), ( 6, 11), ( 5, 11), ( 4, 11), ( 3, 11), ( 2, 11), ( 3, 12),
    ( 2, 12)
];

pub const H263_MBTYPE_B: &[(u8, u8)] = &[
    (1,  1), (3,  3), (1,  5), (4,  4), (5,  4), (6,  6), (2,  4), (3,  4),
    (7,  6), (4,  6), (5,  6), (1,  6), (1,  7), (1,  8), (1, 10)
];

// 0x1 - direct, 0x2 - has quant, 0x4 - has CBP, 0x8 - has dquant, 0x10 - has fwd, 0x20 - has bwd, 0x40 - intra

pub const H263_MBB_CAP_CODED:    u8 = 0x2;
pub const H263_MBB_CAP_DQUANT:   u8 = 0x4;
pub const H263_MBB_CAP_FORWARD:  u8 = 0x10;
pub const H263_MBB_CAP_BACKWARD: u8 = 0x20;
pub const H263_MBB_CAP_INTRA:    u8 = 0x80;

pub const H263_MBTYPE_B_CAPS: &[u8] = &[
    0x00, 0x02, 0x06, // skipped, direct, direct+dq
    0x10, 0x12, 0x16, // forward, coded forward, forward+dq
    0x20, 0x22, 0x26, // backward, coded backward, backward+dq
    0x30, 0x32, 0x36, // bidir, coded bidir, bidir+dq
          0x82, 0x86  // intra, intra+dq
];

pub const H263_CBPC_B: &[(u8, u8)] = &[
    (0, 1), (2, 2), (7, 3), (6, 3)
];

pub const H263_DQUANT_TAB: &[i8] = &[-1, -2, 1, 2];

pub const H263_MODIFIED_QUANT: [[u8; 32]; 2] = [
  [
     0,  3,  1,  2,  3,  4,  5,  6,  7,  8,  9,  9, 10, 11, 12, 13,
    14, 15, 16, 17, 18, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28
  ], [
     0,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 13, 14, 15, 16, 17,
    18, 19, 20, 21, 22, 24, 25, 26, 27, 28, 29, 30, 31, 31, 31, 26
  ]
];

pub const H263_CHROMA_QUANT: [u8; 32] = [
     0,  1,  2,  3,  4,  5,  6,  6,  7,  8,  9,  9, 10, 10, 11, 11,
    12, 12, 12, 13, 13, 13, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15
];

pub struct H263ShortCodeReader { tab: &'static [(u8, u8)] }

impl H263ShortCodeReader {
    pub fn new(tab: &'static [(u8, u8)]) -> Self { H263ShortCodeReader { tab } }
}

impl CodebookDescReader<u8> for H263ShortCodeReader {
    fn bits(&mut self, idx: usize) -> u8  { let (_, bits) = self.tab[idx]; bits }
    fn code(&mut self, idx: usize) -> u32 { let (code, _) = self.tab[idx]; code as u32 }
    fn sym (&mut self, idx: usize) -> u8 { idx as u8 }
    fn len(&mut self) -> usize { self.tab.len() }
}

#[derive(Clone,Copy)]
pub struct H263RLSym { run: u8, level: i8 }
impl H263RLSym {
    pub fn get_run(self)   -> u8 { self.run }
    pub fn is_last(self)   -> bool { self.level < 0 }
    pub fn is_escape(self) -> bool { (self.run == 0) && (self.level == 0) }
    pub fn get_level(self) -> i16 { if self.level < 0 { -self.level as i16 } else { self.level as i16 } }
}

pub struct H263RLCodeDesc { code: u8, bits: u8, sym: H263RLSym }

macro_rules! rlcodes{
    ($(($c:expr, $b:expr, $r:expr, $l:expr)),*) => {
        &[$(H263RLCodeDesc{ code: $c, bits: $b, sym: H263RLSym{ run: $r, level: $l }}),*]
    }
}

pub const H263_RL_CODES: &[H263RLCodeDesc] = rlcodes!(
    (0x02,  2,  0,  1), (0x0F,  4,  0,  2), (0x15,  6,  0,  3), (0x17,  7,  0,  4),
    (0x1F,  8,  0,  5), (0x25,  9,  0,  6), (0x24,  9,  0,  7), (0x21, 10,  0,  8),
    (0x20, 10,  0,  9), (0x07, 11,  0, 10), (0x06, 11,  0, 11), (0x20, 11,  0, 12),
    (0x06,  3,  1,  1), (0x14,  6,  1,  2), (0x1E,  8,  1,  3), (0x0F, 10,  1,  4),
    (0x21, 11,  1,  5), (0x50, 12,  1,  6), (0x0E,  4,  2,  1), (0x1D,  8,  2,  2),
    (0x0E, 10,  2,  3), (0x51, 12,  2,  4), (0x0D,  5,  3,  1), (0x23,  9,  3,  2),
    (0x0D, 10,  3,  3), (0x0C,  5,  4,  1), (0x22,  9,  4,  2), (0x52, 12,  4,  3),
    (0x0B,  5,  5,  1), (0x0C, 10,  5,  2), (0x53, 12,  5,  3), (0x13,  6,  6,  1),
    (0x0B, 10,  6,  2), (0x54, 12,  6,  3), (0x12,  6,  7,  1), (0x0A, 10,  7,  2),
    (0x11,  6,  8,  1), (0x09, 10,  8,  2), (0x10,  6,  9,  1), (0x08, 10,  9,  2),
    (0x16,  7, 10,  1), (0x55, 12, 10,  2), (0x15,  7, 11,  1), (0x14,  7, 12,  1),
    (0x1C,  8, 13,  1), (0x1B,  8, 14,  1), (0x21,  9, 15,  1), (0x20,  9, 16,  1),
    (0x1F,  9, 17,  1), (0x1E,  9, 18,  1), (0x1D,  9, 19,  1), (0x1C,  9, 20,  1),
    (0x1B,  9, 21,  1), (0x1A,  9, 22,  1), (0x22, 11, 23,  1), (0x23, 11, 24,  1),
    (0x56, 12, 25,  1), (0x57, 12, 26,  1), (0x07,  4,  0, -1), (0x19,  9,  0, -2),
    (0x05, 11,  0, -3), (0x0F,  6,  1, -1), (0x04, 11,  1, -2), (0x0E,  6,  2, -1),
    (0x0D,  6,  3, -1), (0x0C,  6,  4, -1), (0x13,  7,  5, -1), (0x12,  7,  6, -1),
    (0x11,  7,  7, -1), (0x10,  7,  8, -1), (0x1A,  8,  9, -1), (0x19,  8, 10, -1),
    (0x18,  8, 11, -1), (0x17,  8, 12, -1), (0x16,  8, 13, -1), (0x15,  8, 14, -1),
    (0x14,  8, 15, -1), (0x13,  8, 16, -1), (0x18,  9, 17, -1), (0x17,  9, 18, -1),
    (0x16,  9, 19, -1), (0x15,  9, 20, -1), (0x14,  9, 21, -1), (0x13,  9, 22, -1),
    (0x12,  9, 23, -1), (0x11,  9, 24, -1), (0x07, 10, 25, -1), (0x06, 10, 26, -1),
    (0x05, 10, 27, -1), (0x04, 10, 28, -1), (0x24, 11, 29, -1), (0x25, 11, 30, -1),
    (0x26, 11, 31, -1), (0x27, 11, 32, -1), (0x58, 12, 33, -1), (0x59, 12, 34, -1),
    (0x5A, 12, 35, -1), (0x5B, 12, 36, -1), (0x5C, 12, 37, -1), (0x5D, 12, 38, -1),
    (0x5E, 12, 39, -1), (0x5F, 12, 40, -1), (0x03,  7,  0,  0)
);

pub const H263_RL_CODES_AIC: &[H263RLCodeDesc] = rlcodes!(
    (0x02,  2,  0,  1), (0x06,  3,  0,  2), (0x0E,  4,  0,  3), (0x0C,  5,  0,  4),
    (0x0D,  5,  0,  5), (0x10,  6,  0,  6), (0x11,  6,  0,  7), (0x12,  6,  0,  8),
    (0x16,  7,  0,  9), (0x1B,  8,  0, 10), (0x20,  9,  0, 11), (0x21,  9,  0, 12),
    (0x1A,  9,  0, 13), (0x1B,  9,  0, 14), (0x1C,  9,  0, 15), (0x1D,  9,  0, 16),
    (0x1E,  9,  0, 17), (0x1F,  9,  0, 18), (0x23, 11,  0, 19), (0x22, 11,  0, 20),
    (0x57, 12,  0, 21), (0x56, 12,  0, 22), (0x55, 12,  0, 23), (0x54, 12,  0, 24),
    (0x53, 12,  0, 25), (0x0F,  4,  1,  1), (0x14,  6,  1,  2), (0x14,  7,  1,  3),
    (0x1E,  8,  1,  4), (0x0F, 10,  1,  5), (0x21, 11,  1,  6), (0x50, 12,  1,  7),
    (0x0B,  5,  2,  1), (0x15,  7,  2,  2), (0x0E, 10,  2,  3), (0x09, 10,  2,  4),
    (0x15,  6,  3,  1), (0x1D,  8,  3,  2), (0x0D, 10,  3,  3), (0x51, 12,  3,  4),
    (0x13,  6,  4,  1), (0x23,  9,  4,  2), (0x07, 11,  4,  3), (0x17,  7,  5,  1),
    (0x22,  9,  5,  2), (0x52, 12,  5,  3), (0x1C,  8,  6,  1), (0x0C, 10,  6,  2),
    (0x1F,  8,  7,  1), (0x0B, 10,  7,  2), (0x25,  9,  8,  1), (0x0A, 10,  8,  2),
    (0x24,  9,  9,  1), (0x06, 11,  9,  2), (0x21, 10, 10,  1), (0x20, 10, 11,  1),
    (0x08, 10, 12,  1), (0x20, 11, 13,  1), (0x07,  4,  0, -1), (0x0C,  6,  0, -2),
    (0x10,  7,  0, -3), (0x13,  8,  0, -4), (0x11,  9,  0, -5), (0x12,  9,  0, -6),
    (0x04, 10,  0, -7), (0x27, 11,  0, -8), (0x26, 11,  0, -9), (0x5F, 12,  0,-10),
    (0x0F,  6,  1, -1), (0x13,  9,  1, -2), (0x05, 10,  1, -3), (0x25, 11,  1, -4),
    (0x0E,  6,  2, -1), (0x14,  9,  2, -2), (0x24, 11,  2, -3), (0x0D,  6,  3, -1),
    (0x06, 10,  3, -2), (0x5E, 12,  3, -3), (0x11,  7,  4, -1), (0x07, 10,  4, -2),
    (0x13,  7,  5, -1), (0x5D, 12,  5, -2), (0x12,  7,  6, -1), (0x5C, 12,  6, -2),
    (0x14,  8,  7, -1), (0x5B, 12,  7, -2), (0x15,  8,  8, -1), (0x1A,  8,  9, -1),
    (0x19,  8, 10, -1), (0x18,  8, 11, -1), (0x17,  8, 12, -1), (0x16,  8, 13, -1),
    (0x19,  9, 14, -1), (0x15,  9, 15, -1), (0x16,  9, 16, -1), (0x18,  9, 17, -1),
    (0x17,  9, 18, -1), (0x04, 11, 19, -1), (0x05, 11, 20, -1), (0x58, 12, 21, -1),
    (0x59, 12, 22, -1), (0x5A, 12, 23, -1), (0x03,  7,  0,  0)
);

pub struct H263RLCodeReader { tab: &'static [H263RLCodeDesc] }

impl H263RLCodeReader {
    pub fn new(tab: &'static [H263RLCodeDesc]) -> Self { H263RLCodeReader { tab } }
}

impl CodebookDescReader<H263RLSym> for H263RLCodeReader {
    fn bits(&mut self, idx: usize) -> u8  { self.tab[idx].bits }
    fn code(&mut self, idx: usize) -> u32 { self.tab[idx].code as u32 }
    fn sym (&mut self, idx: usize) -> H263RLSym { self.tab[idx].sym }
    fn len(&mut self) -> usize { self.tab.len() }
}
Commit	Line	Data
	1	use crate::io::codebook::CodebookDescReader;
	2
	3	#[allow(dead_code)]
	4	pub const H263_SCALES: &[u8] = &[
	5	0, 1, 2, 3, 4, 5, 6, 6, 7, 8, 9, 9, 10, 10, 11, 11, 12, 12, 12, 13, 13, 13, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15 ];
	6
	7	#[allow(dead_code)]
	8	pub const H263_DC_SCALES: &[u8] = &[
	9	0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62 ];
	10
	11	pub const H263_SCAN_H: &[usize] = &[
	12	0, 1, 2, 3, 8, 9, 16, 17,
	13	10, 11, 4, 5, 6, 7, 15, 14,
	14	13, 12, 19, 18, 24, 25, 32, 33,
	15	26, 27, 20, 21, 22, 23, 28, 29,
	16	30, 31, 34, 35, 40, 41, 48, 49,
	17	42, 43, 36, 37, 38, 39, 44, 45,
	18	46, 47, 50, 51, 56, 57, 58, 59,
	19	52, 53, 54, 55, 60, 61, 62, 63
	20	];
	21
	22	pub const H263_SCAN_V: &[usize] = &[
	23	0, 8, 16, 24, 1, 9, 2, 10,
	24	17, 25, 32, 40, 48, 56, 57, 49,
	25	41, 33, 26, 18, 3, 11, 4, 12,
	26	19, 27, 34, 42, 50, 58, 35, 43,
	27	51, 59, 20, 28, 5, 13, 6, 14,
	28	21, 29, 36, 44, 52, 60, 37, 45,
	29	53, 61, 22, 30, 7, 15, 23, 31,
	30	38, 46, 54, 62, 39, 47, 55, 63
	31	];
	32
	33	pub const H263_SIZES: &[(usize, usize)] = &[
	34	(0, 0), (128, 96), (176, 144), (352, 288), (704, 576), (1408, 1152)
	35	];
	36
	37	pub const H263_INTRA_MCBPC: &[(u8, u8)] = &[
	38	(1, 1), (1, 3), (2, 3), (3, 3), (1, 4), (1, 6), (2, 6), (3, 6), (1, 9)
	39	];
	40
	41	pub const H263_INTER_MCBPC: &[(u8, u8)] = &[
	42	(1, 1), (3, 4), (2, 4), (5, 6), (3, 5), (4, 8), (3, 8), (3, 7),
	43	(3, 3), (7, 7), (6, 7), (5, 9), (4, 6), (4, 9), (3, 9), (2, 9),
	44	(2, 3), (5, 7), (4, 7), (5, 8), (1, 9), (0, 0), (0, 0), (0, 0),
	45	(2, 11), (12, 13), (14, 13), (15, 13)
	46	];
	47
	48	pub const H263_CBPY: &[(u8, u8)] = &[
	49	( 3, 4), ( 5, 5), ( 4, 5), ( 9, 4), ( 3, 5), ( 7, 4), ( 2, 6), (11, 4),
	50	( 2, 5), ( 3, 6), ( 5, 4), (10, 4), ( 4, 4), ( 8, 4), ( 6, 4), ( 3, 2)
	51	];
	52
	53	pub const H263_MV: &[(u8, u8)] = &[
	54	( 1, 1), ( 1, 2), ( 1, 3), ( 1, 4), ( 3, 6), ( 5, 7), ( 4, 7), ( 3, 7),
	55	(11, 9), (10, 9), ( 9, 9), (17, 10), (16, 10), (15, 10), (14, 10), (13, 10),
	56	(12, 10), (11, 10), (10, 10), ( 9, 10), ( 8, 10), ( 7, 10), ( 6, 10), ( 5, 10),
	57	( 4, 10), ( 7, 11), ( 6, 11), ( 5, 11), ( 4, 11), ( 3, 11), ( 2, 11), ( 3, 12),
	58	( 2, 12)
	59	];
	60
	61	pub const H263_MBTYPE_B: &[(u8, u8)] = &[
	62	(1, 1), (3, 3), (1, 5), (4, 4), (5, 4), (6, 6), (2, 4), (3, 4),
	63	(7, 6), (4, 6), (5, 6), (1, 6), (1, 7), (1, 8), (1, 10)
	64	];
	65
	66	// 0x1 - direct, 0x2 - has quant, 0x4 - has CBP, 0x8 - has dquant, 0x10 - has fwd, 0x20 - has bwd, 0x40 - intra
	67
	68	pub const H263_MBB_CAP_CODED: u8 = 0x2;
	69	pub const H263_MBB_CAP_DQUANT: u8 = 0x4;
	70	pub const H263_MBB_CAP_FORWARD: u8 = 0x10;
	71	pub const H263_MBB_CAP_BACKWARD: u8 = 0x20;
	72	pub const H263_MBB_CAP_INTRA: u8 = 0x80;
	73
	74	pub const H263_MBTYPE_B_CAPS: &[u8] = &[
	75	0x00, 0x02, 0x06, // skipped, direct, direct+dq
	76	0x10, 0x12, 0x16, // forward, coded forward, forward+dq
	77	0x20, 0x22, 0x26, // backward, coded backward, backward+dq
	78	0x30, 0x32, 0x36, // bidir, coded bidir, bidir+dq
	79	0x82, 0x86 // intra, intra+dq
	80	];
	81
	82	pub const H263_CBPC_B: &[(u8, u8)] = &[
	83	(0, 1), (2, 2), (7, 3), (6, 3)
	84	];
	85
	86	pub const H263_DQUANT_TAB: &[i8] = &[-1, -2, 1, 2];
	87
	88	pub const H263_MODIFIED_QUANT: [[u8; 32]; 2] = [
	89	[
	90	0, 3, 1, 2, 3, 4, 5, 6, 7, 8, 9, 9, 10, 11, 12, 13,
	91	14, 15, 16, 17, 18, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28
	92	], [
	93	0, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15, 16, 17,
	94	18, 19, 20, 21, 22, 24, 25, 26, 27, 28, 29, 30, 31, 31, 31, 26
	95	]
	96	];
	97
	98	pub const H263_CHROMA_QUANT: [u8; 32] = [
	99	0, 1, 2, 3, 4, 5, 6, 6, 7, 8, 9, 9, 10, 10, 11, 11,
	100	12, 12, 12, 13, 13, 13, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15
	101	];
	102
	103	pub struct H263ShortCodeReader { tab: &'static [(u8, u8)] }
	104
	105	impl H263ShortCodeReader {
	106	pub fn new(tab: &'static [(u8, u8)]) -> Self { H263ShortCodeReader { tab } }
	107	}
	108
	109	impl CodebookDescReader<u8> for H263ShortCodeReader {
	110	fn bits(&mut self, idx: usize) -> u8 { let (_, bits) = self.tab[idx]; bits }
	111	fn code(&mut self, idx: usize) -> u32 { let (code, _) = self.tab[idx]; code as u32 }
	112	fn sym (&mut self, idx: usize) -> u8 { idx as u8 }
	113	fn len(&mut self) -> usize { self.tab.len() }
	114	}
	115
	116	#[derive(Clone,Copy)]
	117	pub struct H263RLSym { run: u8, level: i8 }
	118	impl H263RLSym {
	119	pub fn get_run(self) -> u8 { self.run }
	120	pub fn is_last(self) -> bool { self.level < 0 }
	121	pub fn is_escape(self) -> bool { (self.run == 0) && (self.level == 0) }
	122	pub fn get_level(self) -> i16 { if self.level < 0 { -self.level as i16 } else { self.level as i16 } }
	123	}
	124
	125	pub struct H263RLCodeDesc { code: u8, bits: u8, sym: H263RLSym }
	126
	127	macro_rules! rlcodes{
	128	($(($c:expr, $b:expr, $r:expr, $l:expr)),*) => {
	129	&[$(H263RLCodeDesc{ code: $c, bits: $b, sym: H263RLSym{ run: $r, level: $l }}),*]
	130	}
	131	}
	132
	133	pub const H263_RL_CODES: &[H263RLCodeDesc] = rlcodes!(
	134	(0x02, 2, 0, 1), (0x0F, 4, 0, 2), (0x15, 6, 0, 3), (0x17, 7, 0, 4),
	135	(0x1F, 8, 0, 5), (0x25, 9, 0, 6), (0x24, 9, 0, 7), (0x21, 10, 0, 8),
	136	(0x20, 10, 0, 9), (0x07, 11, 0, 10), (0x06, 11, 0, 11), (0x20, 11, 0, 12),
	137	(0x06, 3, 1, 1), (0x14, 6, 1, 2), (0x1E, 8, 1, 3), (0x0F, 10, 1, 4),
	138	(0x21, 11, 1, 5), (0x50, 12, 1, 6), (0x0E, 4, 2, 1), (0x1D, 8, 2, 2),
	139	(0x0E, 10, 2, 3), (0x51, 12, 2, 4), (0x0D, 5, 3, 1), (0x23, 9, 3, 2),
	140	(0x0D, 10, 3, 3), (0x0C, 5, 4, 1), (0x22, 9, 4, 2), (0x52, 12, 4, 3),
	141	(0x0B, 5, 5, 1), (0x0C, 10, 5, 2), (0x53, 12, 5, 3), (0x13, 6, 6, 1),
	142	(0x0B, 10, 6, 2), (0x54, 12, 6, 3), (0x12, 6, 7, 1), (0x0A, 10, 7, 2),
	143	(0x11, 6, 8, 1), (0x09, 10, 8, 2), (0x10, 6, 9, 1), (0x08, 10, 9, 2),
	144	(0x16, 7, 10, 1), (0x55, 12, 10, 2), (0x15, 7, 11, 1), (0x14, 7, 12, 1),
	145	(0x1C, 8, 13, 1), (0x1B, 8, 14, 1), (0x21, 9, 15, 1), (0x20, 9, 16, 1),
	146	(0x1F, 9, 17, 1), (0x1E, 9, 18, 1), (0x1D, 9, 19, 1), (0x1C, 9, 20, 1),
	147	(0x1B, 9, 21, 1), (0x1A, 9, 22, 1), (0x22, 11, 23, 1), (0x23, 11, 24, 1),
	148	(0x56, 12, 25, 1), (0x57, 12, 26, 1), (0x07, 4, 0, -1), (0x19, 9, 0, -2),
	149	(0x05, 11, 0, -3), (0x0F, 6, 1, -1), (0x04, 11, 1, -2), (0x0E, 6, 2, -1),
	150	(0x0D, 6, 3, -1), (0x0C, 6, 4, -1), (0x13, 7, 5, -1), (0x12, 7, 6, -1),
	151	(0x11, 7, 7, -1), (0x10, 7, 8, -1), (0x1A, 8, 9, -1), (0x19, 8, 10, -1),
	152	(0x18, 8, 11, -1), (0x17, 8, 12, -1), (0x16, 8, 13, -1), (0x15, 8, 14, -1),
	153	(0x14, 8, 15, -1), (0x13, 8, 16, -1), (0x18, 9, 17, -1), (0x17, 9, 18, -1),
	154	(0x16, 9, 19, -1), (0x15, 9, 20, -1), (0x14, 9, 21, -1), (0x13, 9, 22, -1),
	155	(0x12, 9, 23, -1), (0x11, 9, 24, -1), (0x07, 10, 25, -1), (0x06, 10, 26, -1),
	156	(0x05, 10, 27, -1), (0x04, 10, 28, -1), (0x24, 11, 29, -1), (0x25, 11, 30, -1),
	157	(0x26, 11, 31, -1), (0x27, 11, 32, -1), (0x58, 12, 33, -1), (0x59, 12, 34, -1),
	158	(0x5A, 12, 35, -1), (0x5B, 12, 36, -1), (0x5C, 12, 37, -1), (0x5D, 12, 38, -1),
	159	(0x5E, 12, 39, -1), (0x5F, 12, 40, -1), (0x03, 7, 0, 0)
	160	);
	161
	162	pub const H263_RL_CODES_AIC: &[H263RLCodeDesc] = rlcodes!(
	163	(0x02, 2, 0, 1), (0x06, 3, 0, 2), (0x0E, 4, 0, 3), (0x0C, 5, 0, 4),
	164	(0x0D, 5, 0, 5), (0x10, 6, 0, 6), (0x11, 6, 0, 7), (0x12, 6, 0, 8),
	165	(0x16, 7, 0, 9), (0x1B, 8, 0, 10), (0x20, 9, 0, 11), (0x21, 9, 0, 12),
	166	(0x1A, 9, 0, 13), (0x1B, 9, 0, 14), (0x1C, 9, 0, 15), (0x1D, 9, 0, 16),
	167	(0x1E, 9, 0, 17), (0x1F, 9, 0, 18), (0x23, 11, 0, 19), (0x22, 11, 0, 20),
	168	(0x57, 12, 0, 21), (0x56, 12, 0, 22), (0x55, 12, 0, 23), (0x54, 12, 0, 24),
	169	(0x53, 12, 0, 25), (0x0F, 4, 1, 1), (0x14, 6, 1, 2), (0x14, 7, 1, 3),
	170	(0x1E, 8, 1, 4), (0x0F, 10, 1, 5), (0x21, 11, 1, 6), (0x50, 12, 1, 7),
	171	(0x0B, 5, 2, 1), (0x15, 7, 2, 2), (0x0E, 10, 2, 3), (0x09, 10, 2, 4),
	172	(0x15, 6, 3, 1), (0x1D, 8, 3, 2), (0x0D, 10, 3, 3), (0x51, 12, 3, 4),
	173	(0x13, 6, 4, 1), (0x23, 9, 4, 2), (0x07, 11, 4, 3), (0x17, 7, 5, 1),
	174	(0x22, 9, 5, 2), (0x52, 12, 5, 3), (0x1C, 8, 6, 1), (0x0C, 10, 6, 2),
	175	(0x1F, 8, 7, 1), (0x0B, 10, 7, 2), (0x25, 9, 8, 1), (0x0A, 10, 8, 2),
	176	(0x24, 9, 9, 1), (0x06, 11, 9, 2), (0x21, 10, 10, 1), (0x20, 10, 11, 1),
	177	(0x08, 10, 12, 1), (0x20, 11, 13, 1), (0x07, 4, 0, -1), (0x0C, 6, 0, -2),
	178	(0x10, 7, 0, -3), (0x13, 8, 0, -4), (0x11, 9, 0, -5), (0x12, 9, 0, -6),
	179	(0x04, 10, 0, -7), (0x27, 11, 0, -8), (0x26, 11, 0, -9), (0x5F, 12, 0,-10),
	180	(0x0F, 6, 1, -1), (0x13, 9, 1, -2), (0x05, 10, 1, -3), (0x25, 11, 1, -4),
	181	(0x0E, 6, 2, -1), (0x14, 9, 2, -2), (0x24, 11, 2, -3), (0x0D, 6, 3, -1),
	182	(0x06, 10, 3, -2), (0x5E, 12, 3, -3), (0x11, 7, 4, -1), (0x07, 10, 4, -2),
	183	(0x13, 7, 5, -1), (0x5D, 12, 5, -2), (0x12, 7, 6, -1), (0x5C, 12, 6, -2),
	184	(0x14, 8, 7, -1), (0x5B, 12, 7, -2), (0x15, 8, 8, -1), (0x1A, 8, 9, -1),
	185	(0x19, 8, 10, -1), (0x18, 8, 11, -1), (0x17, 8, 12, -1), (0x16, 8, 13, -1),
	186	(0x19, 9, 14, -1), (0x15, 9, 15, -1), (0x16, 9, 16, -1), (0x18, 9, 17, -1),
	187	(0x17, 9, 18, -1), (0x04, 11, 19, -1), (0x05, 11, 20, -1), (0x58, 12, 21, -1),
	188	(0x59, 12, 22, -1), (0x5A, 12, 23, -1), (0x03, 7, 0, 0)
	189	);
	190
	191	pub struct H263RLCodeReader { tab: &'static [H263RLCodeDesc] }
	192
	193	impl H263RLCodeReader {
	194	pub fn new(tab: &'static [H263RLCodeDesc]) -> Self { H263RLCodeReader { tab } }
	195	}
	196
	197	impl CodebookDescReader<H263RLSym> for H263RLCodeReader {
	198	fn bits(&mut self, idx: usize) -> u8 { self.tab[idx].bits }
	199	fn code(&mut self, idx: usize) -> u32 { self.tab[idx].code as u32 }
	200	fn sym (&mut self, idx: usize) -> H263RLSym { self.tab[idx].sym }
	201	fn len(&mut self) -> usize { self.tab.len() }
	202	}
	203