[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 ];

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_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_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
	7	pub const H263_ZIGZAG: &[usize] = &[
	8	0, 1, 8, 16, 9, 2, 3, 10,
	9	17, 24, 32, 25, 18, 11, 4, 5,
	10	12, 19, 26, 33, 40, 48, 41, 34,
	11	27, 20, 13, 6, 7, 14, 21, 28,
	12	35, 42, 49, 56, 57, 50, 43, 36,
	13	29, 22, 15, 23, 30, 37, 44, 51,
	14	58, 59, 52, 45, 38, 31, 39, 46,
	15	53, 60, 61, 54, 47, 55, 62, 63
	16	];
	17
	18	pub const H263_SIZES: &[(usize, usize)] = &[
	19	(0, 0), (128, 96), (176, 144), (352, 288), (704, 576), (1408, 1152)
	20	];
	21
	22	pub const H263_INTRA_MCBPC: &[(u8, u8)] = &[
	23	(1, 1), (1, 3), (2, 3), (3, 3), (1, 4), (1, 6), (2, 6), (3, 6), (1, 9)
	24	];
	25
	26	pub const H263_INTER_MCBPC: &[(u8, u8)] = &[
	27	(1, 1), (3, 4), (2, 4), (5, 6), (3, 5), (4, 8), (3, 8), (3, 7),
	28	(3, 3), (7, 7), (6, 7), (5, 9), (4, 6), (4, 9), (3, 9), (2, 9),
	29	(2, 3), (5, 7), (4, 7), (5, 8), (1, 9), (0, 0), (0, 0), (0, 0),
	30	(2, 11), (12, 13), (14, 13), (15, 13)
	31	];
	32
	33	pub const H263_CBPY: &[(u8, u8)] = &[
	34	( 3, 4), ( 5, 5), ( 4, 5), ( 9, 4), ( 3, 5), ( 7, 4), ( 2, 6), (11, 4),
	35	( 2, 5), ( 3, 6), ( 5, 4), (10, 4), ( 4, 4), ( 8, 4), ( 6, 4), ( 3, 2)
	36	];
	37
	38	pub const H263_MV: &[(u8, u8)] = &[
	39	( 1, 1), ( 1, 2), ( 1, 3), ( 1, 4), ( 3, 6), ( 5, 7), ( 4, 7), ( 3, 7),
	40	(11, 9), (10, 9), ( 9, 9), (17, 10), (16, 10), (15, 10), (14, 10), (13, 10),
	41	(12, 10), (11, 10), (10, 10), ( 9, 10), ( 8, 10), ( 7, 10), ( 6, 10), ( 5, 10),
	42	( 4, 10), ( 7, 11), ( 6, 11), ( 5, 11), ( 4, 11), ( 3, 11), ( 2, 11), ( 3, 12),
	43	( 2, 12)
	44	];
	45
	46	pub const H263_DQUANT_TAB: &[i8] = &[-1, -2, 1, 2];
	47
	48	pub struct H263ShortCodeReader { tab: &'static [(u8, u8)] }
	49
	50	impl H263ShortCodeReader {
	51	pub fn new(tab: &'static [(u8, u8)]) -> Self { H263ShortCodeReader { tab: tab } }
	52	}
	53
	54	impl CodebookDescReader<u8> for H263ShortCodeReader {
	55	fn bits(&mut self, idx: usize) -> u8 { let (_, bits) = self.tab[idx]; bits }
	56	fn code(&mut self, idx: usize) -> u32 { let (code, _) = self.tab[idx]; code as u32 }
	57	fn sym (&mut self, idx: usize) -> u8 { idx as u8 }
	58	fn len(&mut self) -> usize { self.tab.len() }
	59	}
	60
	61	#[derive(Clone,Copy)]
	62	pub struct H263RLSym { run: u8, level: i8 }
	63	impl H263RLSym {
	64	pub fn get_run(&self) -> u8 { self.run }
65	pub fn is_last(&self) -> bool { self.level < 0 }
66	pub fn is_escape(&self) -> bool { (self.run == 0) && (self.level == 0) }
67	pub fn get_level(&self) -> i16 { if self.level < 0 { -self.level as i16 } else { self.level as i16 } }
68	}
69
70	pub struct H263RLCodeDesc { code: u8, bits: u8, sym: H263RLSym }
71
72	macro_rules! rlcodes{
73	($(($c:expr, $b:expr, $r:expr, $l:expr)),*) => {
74	&[$(H263RLCodeDesc{ code: $c, bits: $b, sym: H263RLSym{ run: $r, level: $l }}),*]
75	}
76	}
77
78	pub const H263_RL_CODES: &[H263RLCodeDesc] = rlcodes!(
79	(0x02, 2, 0, 1), (0x0F, 4, 0, 2), (0x15, 6, 0, 3), (0x17, 7, 0, 4),
80	(0x1F, 8, 0, 5), (0x25, 9, 0, 6), (0x24, 9, 0, 7), (0x21, 10, 0, 8),
81	(0x20, 10, 0, 9), (0x07, 11, 0, 10), (0x06, 11, 0, 11), (0x20, 11, 0, 12),
82	(0x06, 3, 1, 1), (0x14, 6, 1, 2), (0x1E, 8, 1, 3), (0x0F, 10, 1, 4),
83	(0x21, 11, 1, 5), (0x50, 12, 1, 6), (0x0E, 4, 2, 1), (0x1D, 8, 2, 2),
84	(0x0E, 10, 2, 3), (0x51, 12, 2, 4), (0x0D, 5, 3, 1), (0x23, 9, 3, 2),
85	(0x0D, 10, 3, 3), (0x0C, 5, 4, 1), (0x22, 9, 4, 2), (0x52, 12, 4, 3),
86	(0x0B, 5, 5, 1), (0x0C, 10, 5, 2), (0x53, 12, 5, 3), (0x13, 6, 6, 1),
87	(0x0B, 10, 6, 2), (0x54, 12, 6, 3), (0x12, 6, 7, 1), (0x0A, 10, 7, 2),
88	(0x11, 6, 8, 1), (0x09, 10, 8, 2), (0x10, 6, 9, 1), (0x08, 10, 9, 2),
89	(0x16, 7, 10, 1), (0x55, 12, 10, 2), (0x15, 7, 11, 1), (0x14, 7, 12, 1),
90	(0x1C, 8, 13, 1), (0x1B, 8, 14, 1), (0x21, 9, 15, 1), (0x20, 9, 16, 1),
91	(0x1F, 9, 17, 1), (0x1E, 9, 18, 1), (0x1D, 9, 19, 1), (0x1C, 9, 20, 1),
92	(0x1B, 9, 21, 1), (0x1A, 9, 22, 1), (0x22, 11, 23, 1), (0x23, 11, 24, 1),
93	(0x56, 12, 25, 1), (0x57, 12, 26, 1), (0x07, 4, 0, -1), (0x19, 9, 0, -2),
94	(0x05, 11, 0, -3), (0x0F, 6, 1, -1), (0x04, 11, 1, -2), (0x0E, 6, 2, -1),
95	(0x0D, 6, 3, -1), (0x0C, 6, 4, -1), (0x13, 7, 5, -1), (0x12, 7, 6, -1),
96	(0x11, 7, 7, -1), (0x10, 7, 8, -1), (0x1A, 8, 9, -1), (0x19, 8, 10, -1),
97	(0x18, 8, 11, -1), (0x17, 8, 12, -1), (0x16, 8, 13, -1), (0x15, 8, 14, -1),
98	(0x14, 8, 15, -1), (0x13, 8, 16, -1), (0x18, 9, 17, -1), (0x17, 9, 18, -1),
99	(0x16, 9, 19, -1), (0x15, 9, 20, -1), (0x14, 9, 21, -1), (0x13, 9, 22, -1),
100	(0x12, 9, 23, -1), (0x11, 9, 24, -1), (0x07, 10, 25, -1), (0x06, 10, 26, -1),
101	(0x05, 10, 27, -1), (0x04, 10, 28, -1), (0x24, 11, 29, -1), (0x25, 11, 30, -1),
102	(0x26, 11, 31, -1), (0x27, 11, 32, -1), (0x58, 12, 33, -1), (0x59, 12, 34, -1),
103	(0x5A, 12, 35, -1), (0x5B, 12, 36, -1), (0x5C, 12, 37, -1), (0x5D, 12, 38, -1),
104	(0x5E, 12, 39, -1), (0x5F, 12, 40, -1), (0x03, 7, 0, 0)
105	);
106
107	pub const H263_RL_CODES_AIC: &[H263RLCodeDesc] = rlcodes!(
108	(0x02, 2, 0, 1), (0x06, 3, 0, 2), (0x0E, 4, 0, 3), (0x0C, 5, 0, 4),
109	(0x0D, 5, 0, 5), (0x10, 6, 0, 6), (0x11, 6, 0, 7), (0x12, 6, 0, 8),
110	(0x16, 7, 0, 9), (0x1B, 8, 0, 10), (0x20, 9, 0, 11), (0x21, 9, 0, 12),
111	(0x1A, 9, 0, 13), (0x1B, 9, 0, 14), (0x1C, 9, 0, 15), (0x1D, 9, 0, 16),
112	(0x1E, 9, 0, 17), (0x1F, 9, 0, 18), (0x23, 11, 0, 19), (0x22, 11, 0, 20),
113	(0x57, 12, 0, 21), (0x56, 12, 0, 22), (0x55, 12, 0, 23), (0x54, 12, 0, 24),
114	(0x53, 12, 0, 25), (0x0F, 4, 1, 1), (0x14, 6, 1, 2), (0x14, 7, 1, 3),
115	(0x1E, 8, 1, 4), (0x0F, 10, 1, 5), (0x21, 11, 1, 6), (0x50, 12, 1, 7),
116	(0x0B, 5, 2, 1), (0x15, 7, 2, 2), (0x0E, 10, 2, 3), (0x09, 10, 2, 4),
117	(0x15, 6, 3, 1), (0x1D, 8, 3, 2), (0x0D, 10, 3, 3), (0x51, 12, 3, 4),
118	(0x13, 6, 4, 1), (0x23, 9, 4, 2), (0x07, 11, 4, 3), (0x17, 7, 5, 1),
119	(0x22, 9, 5, 2), (0x52, 12, 5, 3), (0x1C, 8, 6, 1), (0x0C, 10, 6, 2),
120	(0x1F, 8, 7, 1), (0x0B, 10, 7, 2), (0x25, 9, 8, 1), (0x0A, 10, 8, 2),
121	(0x24, 9, 9, 1), (0x06, 11, 9, 2), (0x21, 10, 10, 1), (0x20, 10, 11, 1),
122	(0x08, 10, 12, 1), (0x20, 11, 13, 1), (0x07, 4, 0, -1), (0x0C, 6, 0, -2),
123	(0x10, 7, 0, -3), (0x13, 8, 0, -4), (0x11, 9, 0, -5), (0x12, 9, 0, -6),
124	(0x04, 10, 0, -7), (0x27, 11, 0, -8), (0x26, 11, 0, -9), (0x5F, 12, 0,-10),
125	(0x0F, 6, 1, -1), (0x13, 9, 1, -2), (0x05, 10, 1, -3), (0x25, 11, 1, -4),
126	(0x0E, 6, 2, -1), (0x14, 9, 2, -2), (0x24, 11, 2, -3), (0x0D, 6, 3, -1),
127	(0x06, 10, 3, -2), (0x5E, 12, 3, -3), (0x11, 7, 4, -1), (0x07, 10, 4, -2),
128	(0x13, 7, 5, -1), (0x5D, 12, 5, -2), (0x12, 7, 6, -1), (0x5C, 12, 6, -2),
129	(0x14, 8, 7, -1), (0x5B, 12, 7, -2), (0x15, 8, 8, -1), (0x1A, 8, 9, -1),
130	(0x19, 8, 10, -1), (0x18, 8, 11, -1), (0x17, 8, 12, -1), (0x16, 8, 13, -1),
131	(0x19, 9, 14, -1), (0x15, 9, 15, -1), (0x16, 9, 16, -1), (0x18, 9, 17, -1),
132	(0x17, 9, 18, -1), (0x04, 11, 19, -1), (0x05, 11, 20, -1), (0x58, 12, 21, -1),
133	(0x59, 12, 22, -1), (0x5A, 12, 23, -1), (0x03, 7, 0, 0)
134	);
135
136	pub struct H263RLCodeReader { tab: &'static [H263RLCodeDesc] }
137
138	impl H263RLCodeReader {
139	pub fn new(tab: &'static [H263RLCodeDesc]) -> Self { H263RLCodeReader { tab: tab } }
140	}
141
142	impl CodebookDescReader<H263RLSym> for H263RLCodeReader {
143	fn bits(&mut self, idx: usize) -> u8 { self.tab[idx].bits }
144	fn code(&mut self, idx: usize) -> u32 { self.tab[idx].code as u32 }
145	fn sym (&mut self, idx: usize) -> H263RLSym { self.tab[idx].sym }
146	fn len(&mut self) -> usize { self.tab.len() }
147	}
148