1 use io::codebook::CodebookDescReader;
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 ];
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 ];
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
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
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
44 pub const H263_SIZES: &[(usize, usize)] = &[
45 (0, 0), (128, 96), (176, 144), (352, 288), (704, 576), (1408, 1152)
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)
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)
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)
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),
72 pub const H263_DQUANT_TAB: &[i8] = &[-1, -2, 1, 2];
74 pub struct H263ShortCodeReader { tab: &'static [(u8, u8)] }
76 impl H263ShortCodeReader {
77 pub fn new(tab: &'static [(u8, u8)]) -> Self { H263ShortCodeReader { tab: tab } }
80 impl CodebookDescReader<u8> for H263ShortCodeReader {
81 fn bits(&mut self, idx: usize) -> u8 { let (_, bits) = self.tab[idx]; bits }
82 fn code(&mut self, idx: usize) -> u32 { let (code, _) = self.tab[idx]; code as u32 }
83 fn sym (&mut self, idx: usize) -> u8 { idx as u8 }
84 fn len(&mut self) -> usize { self.tab.len() }
88 pub struct H263RLSym { run: u8, level: i8 }
90 pub fn get_run(&self) -> u8 { self.run }
91 pub fn is_last(&self) -> bool { self.level < 0 }
92 pub fn is_escape(&self) -> bool { (self.run == 0) && (self.level == 0) }
93 pub fn get_level(&self) -> i16 { if self.level < 0 { -self.level as i16 } else { self.level as i16 } }
96 pub struct H263RLCodeDesc { code: u8, bits: u8, sym: H263RLSym }
99 ($(($c:expr, $b:expr, $r:expr, $l:expr)),*) => {
100 &[$(H263RLCodeDesc{ code: $c, bits: $b, sym: H263RLSym{ run: $r, level: $l }}),*]
104 pub const H263_RL_CODES: &[H263RLCodeDesc] = rlcodes!(
105 (0x02, 2, 0, 1), (0x0F, 4, 0, 2), (0x15, 6, 0, 3), (0x17, 7, 0, 4),
106 (0x1F, 8, 0, 5), (0x25, 9, 0, 6), (0x24, 9, 0, 7), (0x21, 10, 0, 8),
107 (0x20, 10, 0, 9), (0x07, 11, 0, 10), (0x06, 11, 0, 11), (0x20, 11, 0, 12),
108 (0x06, 3, 1, 1), (0x14, 6, 1, 2), (0x1E, 8, 1, 3), (0x0F, 10, 1, 4),
109 (0x21, 11, 1, 5), (0x50, 12, 1, 6), (0x0E, 4, 2, 1), (0x1D, 8, 2, 2),
110 (0x0E, 10, 2, 3), (0x51, 12, 2, 4), (0x0D, 5, 3, 1), (0x23, 9, 3, 2),
111 (0x0D, 10, 3, 3), (0x0C, 5, 4, 1), (0x22, 9, 4, 2), (0x52, 12, 4, 3),
112 (0x0B, 5, 5, 1), (0x0C, 10, 5, 2), (0x53, 12, 5, 3), (0x13, 6, 6, 1),
113 (0x0B, 10, 6, 2), (0x54, 12, 6, 3), (0x12, 6, 7, 1), (0x0A, 10, 7, 2),
114 (0x11, 6, 8, 1), (0x09, 10, 8, 2), (0x10, 6, 9, 1), (0x08, 10, 9, 2),
115 (0x16, 7, 10, 1), (0x55, 12, 10, 2), (0x15, 7, 11, 1), (0x14, 7, 12, 1),
116 (0x1C, 8, 13, 1), (0x1B, 8, 14, 1), (0x21, 9, 15, 1), (0x20, 9, 16, 1),
117 (0x1F, 9, 17, 1), (0x1E, 9, 18, 1), (0x1D, 9, 19, 1), (0x1C, 9, 20, 1),
118 (0x1B, 9, 21, 1), (0x1A, 9, 22, 1), (0x22, 11, 23, 1), (0x23, 11, 24, 1),
119 (0x56, 12, 25, 1), (0x57, 12, 26, 1), (0x07, 4, 0, -1), (0x19, 9, 0, -2),
120 (0x05, 11, 0, -3), (0x0F, 6, 1, -1), (0x04, 11, 1, -2), (0x0E, 6, 2, -1),
121 (0x0D, 6, 3, -1), (0x0C, 6, 4, -1), (0x13, 7, 5, -1), (0x12, 7, 6, -1),
122 (0x11, 7, 7, -1), (0x10, 7, 8, -1), (0x1A, 8, 9, -1), (0x19, 8, 10, -1),
123 (0x18, 8, 11, -1), (0x17, 8, 12, -1), (0x16, 8, 13, -1), (0x15, 8, 14, -1),
124 (0x14, 8, 15, -1), (0x13, 8, 16, -1), (0x18, 9, 17, -1), (0x17, 9, 18, -1),
125 (0x16, 9, 19, -1), (0x15, 9, 20, -1), (0x14, 9, 21, -1), (0x13, 9, 22, -1),
126 (0x12, 9, 23, -1), (0x11, 9, 24, -1), (0x07, 10, 25, -1), (0x06, 10, 26, -1),
127 (0x05, 10, 27, -1), (0x04, 10, 28, -1), (0x24, 11, 29, -1), (0x25, 11, 30, -1),
128 (0x26, 11, 31, -1), (0x27, 11, 32, -1), (0x58, 12, 33, -1), (0x59, 12, 34, -1),
129 (0x5A, 12, 35, -1), (0x5B, 12, 36, -1), (0x5C, 12, 37, -1), (0x5D, 12, 38, -1),
130 (0x5E, 12, 39, -1), (0x5F, 12, 40, -1), (0x03, 7, 0, 0)
133 pub const H263_RL_CODES_AIC: &[H263RLCodeDesc] = rlcodes!(
134 (0x02, 2, 0, 1), (0x06, 3, 0, 2), (0x0E, 4, 0, 3), (0x0C, 5, 0, 4),
135 (0x0D, 5, 0, 5), (0x10, 6, 0, 6), (0x11, 6, 0, 7), (0x12, 6, 0, 8),
136 (0x16, 7, 0, 9), (0x1B, 8, 0, 10), (0x20, 9, 0, 11), (0x21, 9, 0, 12),
137 (0x1A, 9, 0, 13), (0x1B, 9, 0, 14), (0x1C, 9, 0, 15), (0x1D, 9, 0, 16),
138 (0x1E, 9, 0, 17), (0x1F, 9, 0, 18), (0x23, 11, 0, 19), (0x22, 11, 0, 20),
139 (0x57, 12, 0, 21), (0x56, 12, 0, 22), (0x55, 12, 0, 23), (0x54, 12, 0, 24),
140 (0x53, 12, 0, 25), (0x0F, 4, 1, 1), (0x14, 6, 1, 2), (0x14, 7, 1, 3),
141 (0x1E, 8, 1, 4), (0x0F, 10, 1, 5), (0x21, 11, 1, 6), (0x50, 12, 1, 7),
142 (0x0B, 5, 2, 1), (0x15, 7, 2, 2), (0x0E, 10, 2, 3), (0x09, 10, 2, 4),
143 (0x15, 6, 3, 1), (0x1D, 8, 3, 2), (0x0D, 10, 3, 3), (0x51, 12, 3, 4),
144 (0x13, 6, 4, 1), (0x23, 9, 4, 2), (0x07, 11, 4, 3), (0x17, 7, 5, 1),
145 (0x22, 9, 5, 2), (0x52, 12, 5, 3), (0x1C, 8, 6, 1), (0x0C, 10, 6, 2),
146 (0x1F, 8, 7, 1), (0x0B, 10, 7, 2), (0x25, 9, 8, 1), (0x0A, 10, 8, 2),
147 (0x24, 9, 9, 1), (0x06, 11, 9, 2), (0x21, 10, 10, 1), (0x20, 10, 11, 1),
148 (0x08, 10, 12, 1), (0x20, 11, 13, 1), (0x07, 4, 0, -1), (0x0C, 6, 0, -2),
149 (0x10, 7, 0, -3), (0x13, 8, 0, -4), (0x11, 9, 0, -5), (0x12, 9, 0, -6),
150 (0x04, 10, 0, -7), (0x27, 11, 0, -8), (0x26, 11, 0, -9), (0x5F, 12, 0,-10),
151 (0x0F, 6, 1, -1), (0x13, 9, 1, -2), (0x05, 10, 1, -3), (0x25, 11, 1, -4),
152 (0x0E, 6, 2, -1), (0x14, 9, 2, -2), (0x24, 11, 2, -3), (0x0D, 6, 3, -1),
153 (0x06, 10, 3, -2), (0x5E, 12, 3, -3), (0x11, 7, 4, -1), (0x07, 10, 4, -2),
154 (0x13, 7, 5, -1), (0x5D, 12, 5, -2), (0x12, 7, 6, -1), (0x5C, 12, 6, -2),
155 (0x14, 8, 7, -1), (0x5B, 12, 7, -2), (0x15, 8, 8, -1), (0x1A, 8, 9, -1),
156 (0x19, 8, 10, -1), (0x18, 8, 11, -1), (0x17, 8, 12, -1), (0x16, 8, 13, -1),
157 (0x19, 9, 14, -1), (0x15, 9, 15, -1), (0x16, 9, 16, -1), (0x18, 9, 17, -1),
158 (0x17, 9, 18, -1), (0x04, 11, 19, -1), (0x05, 11, 20, -1), (0x58, 12, 21, -1),
159 (0x59, 12, 22, -1), (0x5A, 12, 23, -1), (0x03, 7, 0, 0)
162 pub struct H263RLCodeReader { tab: &'static [H263RLCodeDesc] }
164 impl H263RLCodeReader {
165 pub fn new(tab: &'static [H263RLCodeDesc]) -> Self { H263RLCodeReader { tab: tab } }
168 impl CodebookDescReader<H263RLSym> for H263RLCodeReader {
169 fn bits(&mut self, idx: usize) -> u8 { self.tab[idx].bits }
170 fn code(&mut self, idx: usize) -> u32 { self.tab[idx].code as u32 }
171 fn sym (&mut self, idx: usize) -> H263RLSym { self.tab[idx].sym }
172 fn len(&mut self) -> usize { self.tab.len() }