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

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

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

impl H263ShortCodeReader {
    pub fn new(tab: &'static [(u8, u8)]) -> Self { H263ShortCodeReader { tab: 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: 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
cf64af13 KS	1	use 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
de919937 KS	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
cf64af13 KS	11	pub const H263_ZIGZAG: &[usize] = &[
	12	0, 1, 8, 16, 9, 2, 3, 10,
	13	17, 24, 32, 25, 18, 11, 4, 5,
	14	12, 19, 26, 33, 40, 48, 41, 34,
	15	27, 20, 13, 6, 7, 14, 21, 28,
	16	35, 42, 49, 56, 57, 50, 43, 36,
	17	29, 22, 15, 23, 30, 37, 44, 51,
	18	58, 59, 52, 45, 38, 31, 39, 46,
	19	53, 60, 61, 54, 47, 55, 62, 63
	20	];
	21
ef3209c7 KS	22	pub const H263_SCAN_H: &[usize] = &[
	23	0, 1, 2, 3, 8, 9, 16, 17,
	24	10, 11, 4, 5, 6, 7, 15, 14,
	25	13, 12, 19, 18, 24, 25, 32, 33,
	26	26, 27, 20, 21, 22, 23, 28, 29,
	27	30, 31, 34, 35, 40, 41, 48, 49,
	28	42, 43, 36, 37, 38, 39, 44, 45,
	29	46, 47, 50, 51, 56, 57, 58, 59,
	30	52, 53, 54, 55, 60, 61, 62, 63
	31	];
	32
	33	pub const H263_SCAN_V: &[usize] = &[
	34	0, 8, 16, 24, 1, 9, 2, 10,
	35	17, 25, 32, 40, 48, 56, 57, 49,
	36	41, 33, 26, 18, 3, 11, 4, 12,
	37	19, 27, 34, 42, 50, 58, 35, 43,
	38	51, 59, 20, 28, 5, 13, 6, 14,
	39	21, 29, 36, 44, 52, 60, 37, 45,
	40	53, 61, 22, 30, 7, 15, 23, 31,
	41	38, 46, 54, 62, 39, 47, 55, 63
	42	];
	43
cf64af13 KS	44	pub const H263_SIZES: &[(usize, usize)] = &[
	45	(0, 0), (128, 96), (176, 144), (352, 288), (704, 576), (1408, 1152)
	46	];
	47
	48	pub const H263_INTRA_MCBPC: &[(u8, u8)] = &[
	49	(1, 1), (1, 3), (2, 3), (3, 3), (1, 4), (1, 6), (2, 6), (3, 6), (1, 9)
	50	];
	51
	52	pub const H263_INTER_MCBPC: &[(u8, u8)] = &[
	53	(1, 1), (3, 4), (2, 4), (5, 6), (3, 5), (4, 8), (3, 8), (3, 7),
	54	(3, 3), (7, 7), (6, 7), (5, 9), (4, 6), (4, 9), (3, 9), (2, 9),
	55	(2, 3), (5, 7), (4, 7), (5, 8), (1, 9), (0, 0), (0, 0), (0, 0),
	56	(2, 11), (12, 13), (14, 13), (15, 13)
	57	];
	58
	59	pub const H263_CBPY: &[(u8, u8)] = &[
	60	( 3, 4), ( 5, 5), ( 4, 5), ( 9, 4), ( 3, 5), ( 7, 4), ( 2, 6), (11, 4),
	61	( 2, 5), ( 3, 6), ( 5, 4), (10, 4), ( 4, 4), ( 8, 4), ( 6, 4), ( 3, 2)
	62	];
	63
	64	pub const H263_MV: &[(u8, u8)] = &[
	65	( 1, 1), ( 1, 2), ( 1, 3), ( 1, 4), ( 3, 6), ( 5, 7), ( 4, 7), ( 3, 7),
	66	(11, 9), (10, 9), ( 9, 9), (17, 10), (16, 10), (15, 10), (14, 10), (13, 10),
	67	(12, 10), (11, 10), (10, 10), ( 9, 10), ( 8, 10), ( 7, 10), ( 6, 10), ( 5, 10),
	68	( 4, 10), ( 7, 11), ( 6, 11), ( 5, 11), ( 4, 11), ( 3, 11), ( 2, 11), ( 3, 12),
	69	( 2, 12)
	70	];
	71
271cfde5 KS	72	pub const H263_MBTYPE_B: &[(u8, u8)] = &[
	73	(1, 1), (3, 3), (1, 5), (4, 4), (5, 4), (6, 6), (2, 4), (3, 4),
	74	(7, 6), (4, 6), (5, 6), (1, 6), (1, 7), (1, 8), (1, 10)
	75	];
	76
	77	// 0x1 - direct, 0x2 - has quant, 0x4 - has CBP, 0x8 - has dquant, 0x10 - has fwd, 0x20 - has bwd, 0x40 - intra
	78
	79	pub const H263_MBB_CAP_CODED: u8 = 0x2;
	80	pub const H263_MBB_CAP_DQUANT: u8 = 0x4;
	81	pub const H263_MBB_CAP_FORWARD: u8 = 0x10;
	82	pub const H263_MBB_CAP_BACKWARD: u8 = 0x20;
	83	pub const H263_MBB_CAP_INTRA: u8 = 0x80;
	84
	85	pub const H263_MBTYPE_B_CAPS: &[u8] = &[
	86	0x00, 0x02, 0x06, // skipped, direct, direct+dq
	87	0x10, 0x12, 0x16, // forward, coded forward, forward+dq
	88	0x20, 0x22, 0x26, // backward, coded backward, backward+dq
	89	0x30, 0x32, 0x36, // bidir, coded bidir, bidir+dq
	90	0x82, 0x86 // intra, intra+dq
	91	];
	92
	93	pub const H263_CBPC_B: &[(u8, u8)] = &[
	94	(0, 1), (2, 2), (7, 3), (6, 3)
	95	];
	96
cf64af13 KS	97	pub const H263_DQUANT_TAB: &[i8] = &[-1, -2, 1, 2];
	98
	99	pub struct H263ShortCodeReader { tab: &'static [(u8, u8)] }
	100
	101	impl H263ShortCodeReader {
	102	pub fn new(tab: &'static [(u8, u8)]) -> Self { H263ShortCodeReader { tab: tab } }
	103	}
	104
	105	impl CodebookDescReader<u8> for H263ShortCodeReader {
	106	fn bits(&mut self, idx: usize) -> u8 { let (_, bits) = self.tab[idx]; bits }
	107	fn code(&mut self, idx: usize) -> u32 { let (code, _) = self.tab[idx]; code as u32 }
	108	fn sym (&mut self, idx: usize) -> u8 { idx as u8 }
	109	fn len(&mut self) -> usize { self.tab.len() }
	110	}
	111
	112	#[derive(Clone,Copy)]
	113	pub struct H263RLSym { run: u8, level: i8 }
	114	impl H263RLSym {
	115	pub fn get_run(&self) -> u8 { self.run }
	116	pub fn is_last(&self) -> bool { self.level < 0 }
	117	pub fn is_escape(&self) -> bool { (self.run == 0) && (self.level == 0) }
	118	pub fn get_level(&self) -> i16 { if self.level < 0 { -self.level as i16 } else { self.level as i16 } }
	119	}
	120
	121	pub struct H263RLCodeDesc { code: u8, bits: u8, sym: H263RLSym }
	122
	123	macro_rules! rlcodes{
	124	($(($c:expr, $b:expr, $r:expr, $l:expr)),*) => {
	125	&[$(H263RLCodeDesc{ code: $c, bits: $b, sym: H263RLSym{ run: $r, level: $l }}),*]
	126	}
	127	}
	128
	129	pub const H263_RL_CODES: &[H263RLCodeDesc] = rlcodes!(
	130	(0x02, 2, 0, 1), (0x0F, 4, 0, 2), (0x15, 6, 0, 3), (0x17, 7, 0, 4),
	131	(0x1F, 8, 0, 5), (0x25, 9, 0, 6), (0x24, 9, 0, 7), (0x21, 10, 0, 8),
	132	(0x20, 10, 0, 9), (0x07, 11, 0, 10), (0x06, 11, 0, 11), (0x20, 11, 0, 12),
	133	(0x06, 3, 1, 1), (0x14, 6, 1, 2), (0x1E, 8, 1, 3), (0x0F, 10, 1, 4),
	134	(0x21, 11, 1, 5), (0x50, 12, 1, 6), (0x0E, 4, 2, 1), (0x1D, 8, 2, 2),
	135	(0x0E, 10, 2, 3), (0x51, 12, 2, 4), (0x0D, 5, 3, 1), (0x23, 9, 3, 2),
	136	(0x0D, 10, 3, 3), (0x0C, 5, 4, 1), (0x22, 9, 4, 2), (0x52, 12, 4, 3),
	137	(0x0B, 5, 5, 1), (0x0C, 10, 5, 2), (0x53, 12, 5, 3), (0x13, 6, 6, 1),
	138	(0x0B, 10, 6, 2), (0x54, 12, 6, 3), (0x12, 6, 7, 1), (0x0A, 10, 7, 2),
	139	(0x11, 6, 8, 1), (0x09, 10, 8, 2), (0x10, 6, 9, 1), (0x08, 10, 9, 2),
	140	(0x16, 7, 10, 1), (0x55, 12, 10, 2), (0x15, 7, 11, 1), (0x14, 7, 12, 1),
	141	(0x1C, 8, 13, 1), (0x1B, 8, 14, 1), (0x21, 9, 15, 1), (0x20, 9, 16, 1),
	142	(0x1F, 9, 17, 1), (0x1E, 9, 18, 1), (0x1D, 9, 19, 1), (0x1C, 9, 20, 1),
	143	(0x1B, 9, 21, 1), (0x1A, 9, 22, 1), (0x22, 11, 23, 1), (0x23, 11, 24, 1),
	144	(0x56, 12, 25, 1), (0x57, 12, 26, 1), (0x07, 4, 0, -1), (0x19, 9, 0, -2),
	145	(0x05, 11, 0, -3), (0x0F, 6, 1, -1), (0x04, 11, 1, -2), (0x0E, 6, 2, -1),
	146	(0x0D, 6, 3, -1), (0x0C, 6, 4, -1), (0x13, 7, 5, -1), (0x12, 7, 6, -1),
	147	(0x11, 7, 7, -1), (0x10, 7, 8, -1), (0x1A, 8, 9, -1), (0x19, 8, 10, -1),
	148	(0x18, 8, 11, -1), (0x17, 8, 12, -1), (0x16, 8, 13, -1), (0x15, 8, 14, -1),
	149	(0x14, 8, 15, -1), (0x13, 8, 16, -1), (0x18, 9, 17, -1), (0x17, 9, 18, -1),
	150	(0x16, 9, 19, -1), (0x15, 9, 20, -1), (0x14, 9, 21, -1), (0x13, 9, 22, -1),
	151	(0x12, 9, 23, -1), (0x11, 9, 24, -1), (0x07, 10, 25, -1), (0x06, 10, 26, -1),
	152	(0x05, 10, 27, -1), (0x04, 10, 28, -1), (0x24, 11, 29, -1), (0x25, 11, 30, -1),
	153	(0x26, 11, 31, -1), (0x27, 11, 32, -1), (0x58, 12, 33, -1), (0x59, 12, 34, -1),
	154	(0x5A, 12, 35, -1), (0x5B, 12, 36, -1), (0x5C, 12, 37, -1), (0x5D, 12, 38, -1),
	155	(0x5E, 12, 39, -1), (0x5F, 12, 40, -1), (0x03, 7, 0, 0)
	156	);
	157
	158	pub const H263_RL_CODES_AIC: &[H263RLCodeDesc] = rlcodes!(
	159	(0x02, 2, 0, 1), (0x06, 3, 0, 2), (0x0E, 4, 0, 3), (0x0C, 5, 0, 4),
	160	(0x0D, 5, 0, 5), (0x10, 6, 0, 6), (0x11, 6, 0, 7), (0x12, 6, 0, 8),
161	(0x16, 7, 0, 9), (0x1B, 8, 0, 10), (0x20, 9, 0, 11), (0x21, 9, 0, 12),
162	(0x1A, 9, 0, 13), (0x1B, 9, 0, 14), (0x1C, 9, 0, 15), (0x1D, 9, 0, 16),
163	(0x1E, 9, 0, 17), (0x1F, 9, 0, 18), (0x23, 11, 0, 19), (0x22, 11, 0, 20),
164	(0x57, 12, 0, 21), (0x56, 12, 0, 22), (0x55, 12, 0, 23), (0x54, 12, 0, 24),
165	(0x53, 12, 0, 25), (0x0F, 4, 1, 1), (0x14, 6, 1, 2), (0x14, 7, 1, 3),
166	(0x1E, 8, 1, 4), (0x0F, 10, 1, 5), (0x21, 11, 1, 6), (0x50, 12, 1, 7),
167	(0x0B, 5, 2, 1), (0x15, 7, 2, 2), (0x0E, 10, 2, 3), (0x09, 10, 2, 4),
168	(0x15, 6, 3, 1), (0x1D, 8, 3, 2), (0x0D, 10, 3, 3), (0x51, 12, 3, 4),
169	(0x13, 6, 4, 1), (0x23, 9, 4, 2), (0x07, 11, 4, 3), (0x17, 7, 5, 1),
170	(0x22, 9, 5, 2), (0x52, 12, 5, 3), (0x1C, 8, 6, 1), (0x0C, 10, 6, 2),
171	(0x1F, 8, 7, 1), (0x0B, 10, 7, 2), (0x25, 9, 8, 1), (0x0A, 10, 8, 2),
172	(0x24, 9, 9, 1), (0x06, 11, 9, 2), (0x21, 10, 10, 1), (0x20, 10, 11, 1),
173	(0x08, 10, 12, 1), (0x20, 11, 13, 1), (0x07, 4, 0, -1), (0x0C, 6, 0, -2),
174	(0x10, 7, 0, -3), (0x13, 8, 0, -4), (0x11, 9, 0, -5), (0x12, 9, 0, -6),
175	(0x04, 10, 0, -7), (0x27, 11, 0, -8), (0x26, 11, 0, -9), (0x5F, 12, 0,-10),
176	(0x0F, 6, 1, -1), (0x13, 9, 1, -2), (0x05, 10, 1, -3), (0x25, 11, 1, -4),
177	(0x0E, 6, 2, -1), (0x14, 9, 2, -2), (0x24, 11, 2, -3), (0x0D, 6, 3, -1),
178	(0x06, 10, 3, -2), (0x5E, 12, 3, -3), (0x11, 7, 4, -1), (0x07, 10, 4, -2),
179	(0x13, 7, 5, -1), (0x5D, 12, 5, -2), (0x12, 7, 6, -1), (0x5C, 12, 6, -2),
180	(0x14, 8, 7, -1), (0x5B, 12, 7, -2), (0x15, 8, 8, -1), (0x1A, 8, 9, -1),
181	(0x19, 8, 10, -1), (0x18, 8, 11, -1), (0x17, 8, 12, -1), (0x16, 8, 13, -1),
182	(0x19, 9, 14, -1), (0x15, 9, 15, -1), (0x16, 9, 16, -1), (0x18, 9, 17, -1),
183	(0x17, 9, 18, -1), (0x04, 11, 19, -1), (0x05, 11, 20, -1), (0x58, 12, 21, -1),
184	(0x59, 12, 22, -1), (0x5A, 12, 23, -1), (0x03, 7, 0, 0)
185	);
186
187	pub struct H263RLCodeReader { tab: &'static [H263RLCodeDesc] }
188
189	impl H263RLCodeReader {
190	pub fn new(tab: &'static [H263RLCodeDesc]) -> Self { H263RLCodeReader { tab: tab } }
191	}
192
193	impl CodebookDescReader<H263RLSym> for H263RLCodeReader {
194	fn bits(&mut self, idx: usize) -> u8 { self.tab[idx].bits }
195	fn code(&mut self, idx: usize) -> u32 { self.tab[idx].code as u32 }
196	fn sym (&mut self, idx: usize) -> H263RLSym { self.tab[idx].sym }
197	fn len(&mut self) -> usize { self.tab.len() }
198	}
199