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Commit | Line | Data |
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1 | use io::bitreader::*; | |
2 | use io::codebook::*; | |
3 | use formats; | |
4 | use super::*; | |
5 | ||
6 | static INDEO2_DELTA_TABLE: [[u8; 256]; 4] = [ | |
7 | [ | |
8 | 0x80, 0x80, 0x84, 0x84, 0x7C, 0x7C, 0x7F, 0x85, | |
9 | 0x81, 0x7B, 0x85, 0x7F, 0x7B, 0x81, 0x8C, 0x8C, | |
10 | 0x74, 0x74, 0x83, 0x8D, 0x7D, 0x73, 0x8D, 0x83, | |
11 | 0x73, 0x7D, 0x77, 0x89, 0x89, 0x77, 0x89, 0x77, | |
12 | 0x77, 0x89, 0x8C, 0x95, 0x74, 0x6B, 0x95, 0x8C, | |
13 | 0x6B, 0x74, 0x7C, 0x90, 0x84, 0x70, 0x90, 0x7C, | |
14 | 0x70, 0x84, 0x96, 0x96, 0x6A, 0x6A, 0x82, 0x98, | |
15 | 0x7E, 0x68, 0x98, 0x82, 0x68, 0x7E, 0x97, 0xA2, | |
16 | 0x69, 0x5E, 0xA2, 0x97, 0x5E, 0x69, 0xA2, 0xA2, | |
17 | 0x5E, 0x5E, 0x8B, 0xA3, 0x75, 0x5D, 0xA3, 0x8B, | |
18 | 0x5D, 0x75, 0x71, 0x95, 0x8F, 0x6B, 0x95, 0x71, | |
19 | 0x6B, 0x8F, 0x78, 0x9D, 0x88, 0x63, 0x9D, 0x78, | |
20 | 0x63, 0x88, 0x7F, 0xA7, 0x81, 0x59, 0xA7, 0x7F, | |
21 | 0x59, 0x81, 0xA4, 0xB1, 0x5C, 0x4F, 0xB1, 0xA4, | |
22 | 0x4F, 0x5C, 0x96, 0xB1, 0x6A, 0x4F, 0xB1, 0x96, | |
23 | 0x4F, 0x6A, 0xB2, 0xB2, 0x4E, 0x4E, 0x65, 0x9B, | |
24 | 0x9B, 0x65, 0x9B, 0x65, 0x65, 0x9B, 0x89, 0xB4, | |
25 | 0x77, 0x4C, 0xB4, 0x89, 0x4C, 0x77, 0x6A, 0xA3, | |
26 | 0x96, 0x5D, 0xA3, 0x6A, 0x5D, 0x96, 0x73, 0xAC, | |
27 | 0x8D, 0x54, 0xAC, 0x73, 0x54, 0x8D, 0xB4, 0xC3, | |
28 | 0x4C, 0x3D, 0xC3, 0xB4, 0x3D, 0x4C, 0xA4, 0xC3, | |
29 | 0x5C, 0x3D, 0xC3, 0xA4, 0x3D, 0x5C, 0xC4, 0xC4, | |
30 | 0x3C, 0x3C, 0x96, 0xC6, 0x6A, 0x3A, 0xC6, 0x96, | |
31 | 0x3A, 0x6A, 0x7C, 0xBA, 0x84, 0x46, 0xBA, 0x7C, | |
32 | 0x46, 0x84, 0x5B, 0xAB, 0xA5, 0x55, 0xAB, 0x5B, | |
33 | 0x55, 0xA5, 0x63, 0xB4, 0x9D, 0x4C, 0xB4, 0x63, | |
34 | 0x4C, 0x9D, 0x86, 0xCA, 0x7A, 0x36, 0xCA, 0x86, | |
35 | 0x36, 0x7A, 0xB6, 0xD7, 0x4A, 0x29, 0xD7, 0xB6, | |
36 | 0x29, 0x4A, 0xC8, 0xD7, 0x38, 0x29, 0xD7, 0xC8, | |
37 | 0x29, 0x38, 0xA4, 0xD8, 0x5C, 0x28, 0xD8, 0xA4, | |
38 | 0x28, 0x5C, 0x6C, 0xC1, 0x94, 0x3F, 0xC1, 0x6C, | |
39 | 0x3F, 0x94, 0xD9, 0xD9, 0x27, 0x27, 0x80, 0x80, | |
40 | ], [ | |
41 | 0x80, 0x80, 0x85, 0x85, 0x7B, 0x7B, 0x7E, 0x87, | |
42 | 0x82, 0x79, 0x87, 0x7E, 0x79, 0x82, 0x8F, 0x8F, | |
43 | 0x71, 0x71, 0x84, 0x8F, 0x7C, 0x71, 0x8F, 0x84, | |
44 | 0x71, 0x7C, 0x75, 0x8B, 0x8B, 0x75, 0x8B, 0x75, | |
45 | 0x75, 0x8B, 0x8E, 0x9A, 0x72, 0x66, 0x9A, 0x8E, | |
46 | 0x66, 0x72, 0x7B, 0x93, 0x85, 0x6D, 0x93, 0x7B, | |
47 | 0x6D, 0x85, 0x9B, 0x9B, 0x65, 0x65, 0x82, 0x9D, | |
48 | 0x7E, 0x63, 0x9D, 0x82, 0x63, 0x7E, 0x9B, 0xA8, | |
49 | 0x65, 0x58, 0xA8, 0x9B, 0x58, 0x65, 0xA9, 0xA9, | |
50 | 0x57, 0x57, 0x8D, 0xAA, 0x73, 0x56, 0xAA, 0x8D, | |
51 | 0x56, 0x73, 0x6E, 0x99, 0x92, 0x67, 0x99, 0x6E, | |
52 | 0x67, 0x92, 0x76, 0xA2, 0x8A, 0x5E, 0xA2, 0x76, | |
53 | 0x5E, 0x8A, 0x7F, 0xAF, 0x81, 0x51, 0xAF, 0x7F, | |
54 | 0x51, 0x81, 0xAB, 0xBA, 0x55, 0x46, 0xBA, 0xAB, | |
55 | 0x46, 0x55, 0x9A, 0xBB, 0x66, 0x45, 0xBB, 0x9A, | |
56 | 0x45, 0x66, 0xBB, 0xBB, 0x45, 0x45, 0x60, 0xA0, | |
57 | 0xA0, 0x60, 0xA0, 0x60, 0x60, 0xA0, 0x8B, 0xBE, | |
58 | 0x75, 0x42, 0xBE, 0x8B, 0x42, 0x75, 0x66, 0xAA, | |
59 | 0x9A, 0x56, 0xAA, 0x66, 0x56, 0x9A, 0x70, 0xB5, | |
60 | 0x90, 0x4B, 0xB5, 0x70, 0x4B, 0x90, 0xBE, 0xCF, | |
61 | 0x42, 0x31, 0xCF, 0xBE, 0x31, 0x42, 0xAB, 0xD0, | |
62 | 0x55, 0x30, 0xD0, 0xAB, 0x30, 0x55, 0xD1, 0xD1, | |
63 | 0x2F, 0x2F, 0x9A, 0xD3, 0x66, 0x2D, 0xD3, 0x9A, | |
64 | 0x2D, 0x66, 0x7B, 0xC5, 0x85, 0x3B, 0xC5, 0x7B, | |
65 | 0x3B, 0x85, 0x54, 0xB4, 0xAC, 0x4C, 0xB4, 0x54, | |
66 | 0x4C, 0xAC, 0x5E, 0xBE, 0xA2, 0x42, 0xBE, 0x5E, | |
67 | 0x42, 0xA2, 0x87, 0xD8, 0x79, 0x28, 0xD8, 0x87, | |
68 | 0x28, 0x79, 0xC0, 0xE8, 0x40, 0x18, 0xE8, 0xC0, | |
69 | 0x18, 0x40, 0xD5, 0xE8, 0x2B, 0x18, 0xE8, 0xD5, | |
70 | 0x18, 0x2B, 0xAB, 0xE9, 0x55, 0x17, 0xE9, 0xAB, | |
71 | 0x17, 0x55, 0x68, 0xCD, 0x98, 0x33, 0xCD, 0x68, | |
72 | 0x33, 0x98, 0xEA, 0xEA, 0x16, 0x16, 0x80, 0x80, | |
73 | ], [ | |
74 | 0x80, 0x80, 0x86, 0x86, 0x7A, 0x7A, 0x7E, 0x88, | |
75 | 0x82, 0x78, 0x88, 0x7E, 0x78, 0x82, 0x92, 0x92, | |
76 | 0x6E, 0x6E, 0x85, 0x92, 0x7B, 0x6E, 0x92, 0x85, | |
77 | 0x6E, 0x7B, 0x73, 0x8D, 0x8D, 0x73, 0x8D, 0x73, | |
78 | 0x73, 0x8D, 0x91, 0x9E, 0x6F, 0x62, 0x9E, 0x91, | |
79 | 0x62, 0x6F, 0x79, 0x97, 0x87, 0x69, 0x97, 0x79, | |
80 | 0x69, 0x87, 0xA0, 0xA0, 0x60, 0x60, 0x83, 0xA2, | |
81 | 0x7D, 0x5E, 0xA2, 0x83, 0x5E, 0x7D, 0xA0, 0xB0, | |
82 | 0x60, 0x50, 0xB0, 0xA0, 0x50, 0x60, 0xB1, 0xB1, | |
83 | 0x4F, 0x4F, 0x8F, 0xB2, 0x71, 0x4E, 0xB2, 0x8F, | |
84 | 0x4E, 0x71, 0x6B, 0x9E, 0x95, 0x62, 0x9E, 0x6B, | |
85 | 0x62, 0x95, 0x74, 0xA9, 0x8C, 0x57, 0xA9, 0x74, | |
86 | 0x57, 0x8C, 0x7F, 0xB8, 0x81, 0x48, 0xB8, 0x7F, | |
87 | 0x48, 0x81, 0xB4, 0xC5, 0x4C, 0x3B, 0xC5, 0xB4, | |
88 | 0x3B, 0x4C, 0x9F, 0xC6, 0x61, 0x3A, 0xC6, 0x9F, | |
89 | 0x3A, 0x61, 0xC6, 0xC6, 0x3A, 0x3A, 0x59, 0xA7, | |
90 | 0xA7, 0x59, 0xA7, 0x59, 0x59, 0xA7, 0x8D, 0xCA, | |
91 | 0x73, 0x36, 0xCA, 0x8D, 0x36, 0x73, 0x61, 0xB2, | |
92 | 0x9F, 0x4E, 0xB2, 0x61, 0x4E, 0x9F, 0x6D, 0xBF, | |
93 | 0x93, 0x41, 0xBF, 0x6D, 0x41, 0x93, 0xCA, 0xDF, | |
94 | 0x36, 0x21, 0xDF, 0xCA, 0x21, 0x36, 0xB3, 0xDF, | |
95 | 0x4D, 0x21, 0xDF, 0xB3, 0x21, 0x4D, 0xE1, 0xE1, | |
96 | 0x1F, 0x1F, 0x9F, 0xE3, 0x61, 0x1D, 0xE3, 0x9F, | |
97 | 0x1D, 0x61, 0x7A, 0xD3, 0x86, 0x2D, 0xD3, 0x7A, | |
98 | 0x2D, 0x86, 0x4C, 0xBE, 0xB4, 0x42, 0xBE, 0x4C, | |
99 | 0x42, 0xB4, 0x57, 0xCA, 0xA9, 0x36, 0xCA, 0x57, | |
100 | 0x36, 0xA9, 0x88, 0xE9, 0x78, 0x17, 0xE9, 0x88, | |
101 | 0x17, 0x78, 0xCC, 0xFB, 0x34, 0x05, 0xFB, 0xCC, | |
102 | 0x05, 0x34, 0xE6, 0xFB, 0x1A, 0x05, 0xFB, 0xE6, | |
103 | 0x05, 0x1A, 0xB4, 0xFD, 0x4C, 0x03, 0xFD, 0xB4, | |
104 | 0x03, 0x4C, 0x63, 0xDC, 0x9D, 0x24, 0xDC, 0x63, | |
105 | 0x24, 0x9D, 0xFE, 0xFE, 0x02, 0x02, 0x80, 0x80, | |
106 | ], [ | |
107 | 0x80, 0x80, 0x87, 0x87, 0x79, 0x79, 0x7E, 0x89, | |
108 | 0x82, 0x77, 0x89, 0x7E, 0x77, 0x82, 0x95, 0x95, | |
109 | 0x6B, 0x6B, 0x86, 0x96, 0x7A, 0x6A, 0x96, 0x86, | |
110 | 0x6A, 0x7A, 0x70, 0x90, 0x90, 0x70, 0x90, 0x70, | |
111 | 0x70, 0x90, 0x94, 0xA4, 0x6C, 0x5C, 0xA4, 0x94, | |
112 | 0x5C, 0x6C, 0x78, 0x9B, 0x88, 0x65, 0x9B, 0x78, | |
113 | 0x65, 0x88, 0xA6, 0xA6, 0x5A, 0x5A, 0x83, 0xA9, | |
114 | 0x7D, 0x57, 0xA9, 0x83, 0x57, 0x7D, 0xA6, 0xB9, | |
115 | 0x5A, 0x47, 0xB9, 0xA6, 0x47, 0x5A, 0xBA, 0xBA, | |
116 | 0x46, 0x46, 0x92, 0xBC, 0x6E, 0x44, 0xBC, 0x92, | |
117 | 0x44, 0x6E, 0x67, 0xA3, 0x99, 0x5D, 0xA3, 0x67, | |
118 | 0x5D, 0x99, 0x72, 0xB0, 0x8E, 0x50, 0xB0, 0x72, | |
119 | 0x50, 0x8E, 0x7F, 0xC3, 0x81, 0x3D, 0xC3, 0x7F, | |
120 | 0x3D, 0x81, 0xBE, 0xD2, 0x42, 0x2E, 0xD2, 0xBE, | |
121 | 0x2E, 0x42, 0xA5, 0xD4, 0x5B, 0x2C, 0xD4, 0xA5, | |
122 | 0x2C, 0x5B, 0xD4, 0xD4, 0x2C, 0x2C, 0x52, 0xAE, | |
123 | 0xAE, 0x52, 0xAE, 0x52, 0x52, 0xAE, 0x8F, 0xD8, | |
124 | 0x71, 0x28, 0xD8, 0x8F, 0x28, 0x71, 0x5B, 0xBB, | |
125 | 0xA5, 0x45, 0xBB, 0x5B, 0x45, 0xA5, 0x69, 0xCB, | |
126 | 0x97, 0x35, 0xCB, 0x69, 0x35, 0x97, 0xD8, 0xF0, | |
127 | 0x28, 0x10, 0xF0, 0xD8, 0x10, 0x28, 0xBD, 0xF1, | |
128 | 0x43, 0x0F, 0xF1, 0xBD, 0x0F, 0x43, 0xF3, 0xF3, | |
129 | 0x0D, 0x0D, 0xA5, 0xF6, 0x5B, 0x0A, 0xF6, 0xA5, | |
130 | 0x0A, 0x5B, 0x78, 0xE2, 0x88, 0x1E, 0xE2, 0x78, | |
131 | 0x1E, 0x88, 0x42, 0xC9, 0xBE, 0x37, 0xC9, 0x42, | |
132 | 0x37, 0xBE, 0x4F, 0xD8, 0xB1, 0x28, 0xD8, 0x4F, | |
133 | 0x28, 0xB1, 0x8A, 0xFD, 0x76, 0x03, 0xFD, 0x8A, | |
134 | 0x03, 0x76, 0xDB, 0xFF, 0x25, 0x01, 0xFF, 0xDB, | |
135 | 0x01, 0x25, 0xF9, 0xFF, 0x07, 0x01, 0xFF, 0xF9, | |
136 | 0x01, 0x07, 0xBE, 0xFF, 0x42, 0x01, 0xFF, 0xBE, | |
137 | 0x01, 0x42, 0x5E, 0xED, 0xA2, 0x13, 0xED, 0x5E, | |
138 | 0x13, 0xA2, 0xFF, 0xFF, 0x01, 0x01, 0x80, 0x80, | |
139 | ] | |
140 | ]; | |
141 | ||
142 | static INDEO2_CODE_CODES: &[u16] = &[ | |
143 | 0x0000, 0x0004, 0x0006, 0x0001, 0x0009, 0x0019, 0x000D, 0x001D, | |
144 | 0x0023, 0x0013, 0x0033, 0x000B, 0x002B, 0x001B, 0x0007, 0x0087, | |
145 | 0x0027, 0x00A7, 0x0067, 0x00E7, 0x0097, 0x0057, 0x0037, 0x00B7, | |
146 | 0x00F7, 0x000F, 0x008F, 0x018F, 0x014F, 0x00CF, 0x002F, 0x012F, | |
147 | 0x01AF, 0x006F, 0x00EF, 0x01EF, 0x001F, 0x021F, 0x011F, 0x031F, | |
148 | 0x009F, 0x029F, 0x019F, 0x039F, 0x005F, 0x025F, 0x015F, 0x035F, | |
149 | 0x00DF, 0x02DF, 0x01DF, 0x03DF, 0x003F, 0x103F, 0x083F, 0x183F, | |
150 | 0x043F, 0x143F, 0x0C3F, 0x1C3F, 0x023F, 0x123F, 0x0A3F, 0x1A3F, | |
151 | 0x063F, 0x163F, 0x0E3F, 0x1E3F, 0x013F, 0x113F, 0x093F, 0x193F, | |
152 | 0x053F, 0x153F, 0x0D3F, 0x1D3F, 0x033F, 0x133F, 0x0B3F, 0x1B3F, | |
153 | 0x073F, 0x173F, 0x0F3F, 0x1F3F, 0x00BF, 0x10BF, 0x08BF, 0x18BF, | |
154 | 0x04BF, 0x14BF, 0x0CBF, 0x1CBF, 0x02BF, 0x12BF, 0x0ABF, 0x1ABF, | |
155 | 0x06BF, 0x16BF, 0x0EBF, 0x1EBF, 0x01BF, 0x11BF, 0x09BF, 0x19BF, | |
156 | 0x05BF, 0x15BF, 0x0DBF, 0x1DBF, 0x03BF, 0x13BF, 0x0BBF, 0x1BBF, | |
157 | 0x07BF, 0x17BF, 0x0FBF, 0x1FBF, 0x007F, 0x207F, 0x107F, 0x307F, | |
158 | 0x087F, 0x287F, 0x187F, 0x387F, 0x047F, 0x247F, 0x147F, 0x0002, | |
159 | 0x0011, 0x0005, 0x0015, 0x0003, 0x003B, 0x0047, 0x00C7, 0x0017, | |
160 | 0x00D7, 0x0077, 0x010F, 0x004F, 0x01CF, 0x00AF, 0x016F | |
161 | ]; | |
162 | ||
163 | static INDEO2_CODE_LENGTHS: &[u8] = &[ | |
164 | 3, 3, 3, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 8, 8, | |
165 | 8, 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, | |
166 | 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, | |
167 | 10, 10, 10, 10, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, | |
168 | 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, | |
169 | 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, | |
170 | 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, | |
171 | 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 3, | |
172 | 5, 5, 5, 6, 6, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9 | |
173 | ]; | |
174 | ||
175 | struct IR2CodeReader { } | |
176 | ||
177 | impl CodebookDescReader<u8> for IR2CodeReader { | |
178 | fn bits(&mut self, idx: usize) -> u8 { INDEO2_CODE_LENGTHS[idx] } | |
179 | fn code(&mut self, idx: usize) -> u32 { INDEO2_CODE_CODES[idx] as u32 } | |
180 | fn sym (&mut self, idx: usize) -> u8 { | |
181 | if idx < 0x7F { (idx + 1) as u8 } else { (idx + 2) as u8 } | |
182 | } | |
183 | fn len(&mut self) -> usize { INDEO2_CODE_LENGTHS.len() } | |
184 | } | |
185 | ||
186 | struct Indeo2Decoder { | |
187 | info: Rc<NACodecInfo>, | |
188 | cb: Codebook<u8>, | |
189 | lastfrm: Option<Rc<NAFrame>>, | |
190 | } | |
191 | ||
192 | impl Indeo2Decoder { | |
193 | fn new() -> Self { | |
194 | let dummy_info = Rc::new(DUMMY_CODEC_INFO); | |
195 | let mut coderead = IR2CodeReader{}; | |
196 | let cb = Codebook::new(&mut coderead, CodebookMode::LSB).unwrap(); | |
197 | Indeo2Decoder { info: dummy_info, cb: cb, lastfrm: None } | |
198 | } | |
199 | ||
200 | fn decode_plane_intra(&self, br: &mut BitReader, | |
201 | frm: &mut NAFrame, planeno: usize, | |
202 | tableno: usize) -> DecoderResult<()> { | |
203 | let offs = frm.get_offset(planeno); | |
204 | let (w, h) = frm.get_dimensions(planeno); | |
205 | let stride = frm.get_stride(planeno); | |
206 | let cb = &self.cb; | |
207 | ||
208 | let mut buffer = frm.get_buffer_mut().unwrap(); | |
209 | let mut data = buffer.get_data_mut().unwrap(); | |
210 | let mut framebuf: &mut [u8] = data.as_mut_slice(); | |
211 | ||
212 | let table = &INDEO2_DELTA_TABLE[tableno]; | |
213 | ||
214 | let mut base = offs; | |
215 | let mut x: usize = 0; | |
216 | while x < w { | |
217 | let idx = br.read_cb(cb)? as usize; | |
218 | if idx >= 0x80 { | |
219 | let run = (idx - 0x80) * 2; | |
220 | if x + run > w { return Err(DecoderError::InvalidData); } | |
221 | for i in 0..run { | |
222 | framebuf[base + x + i] = 0x80; | |
223 | } | |
224 | x += run; | |
225 | } else { | |
226 | framebuf[base + x + 0] = table[(idx * 2 + 0) as usize]; | |
227 | framebuf[base + x + 1] = table[(idx * 2 + 1) as usize]; | |
228 | x += 2; | |
229 | } | |
230 | } | |
231 | base += stride; | |
232 | for _ in 1..h { | |
233 | let mut x: usize = 0; | |
234 | while x < w { | |
235 | let idx = br.read_cb(cb)? as usize; | |
236 | if idx >= 0x80 { | |
237 | let run = (idx - 0x80) * 2; | |
238 | if x + run > w { return Err(DecoderError::InvalidData); } | |
239 | for i in 0..run { | |
240 | framebuf[base + x + i] = framebuf[base + x + i - stride]; | |
241 | } | |
242 | x += run; | |
243 | } else { | |
244 | let delta0 = (table[idx * 2 + 0] as i16) - 0x80; | |
245 | let delta1 = (table[idx * 2 + 1] as i16) - 0x80; | |
246 | let mut pix0 = framebuf[base + x + 0 - stride] as i16; | |
247 | let mut pix1 = framebuf[base + x + 1 - stride] as i16; | |
248 | pix0 += delta0; | |
249 | pix1 += delta1; | |
250 | if pix0 < 0 { pix0 = 0; } | |
251 | if pix1 < 0 { pix1 = 0; } | |
252 | if pix0 > 255 { pix0 = 255; } | |
253 | if pix1 > 255 { pix1 = 255; } | |
254 | framebuf[base + x + 0] = pix0 as u8; | |
255 | framebuf[base + x + 1] = pix1 as u8; | |
256 | x += 2; | |
257 | } | |
258 | } | |
259 | base += stride; | |
260 | } | |
261 | Ok(()) | |
262 | } | |
263 | ||
264 | fn decode_plane_inter(&self, br: &mut BitReader, | |
265 | frm: &mut NAFrame, planeno: usize, | |
266 | tableno: usize) -> DecoderResult<()> { | |
267 | let offs = frm.get_offset(planeno); | |
268 | let (w, h) = frm.get_dimensions(planeno); | |
269 | let stride = frm.get_stride(planeno); | |
270 | let cb = &self.cb; | |
271 | ||
272 | let mut buffer = frm.get_buffer_mut().unwrap(); | |
273 | let mut data = buffer.get_data_mut().unwrap(); | |
274 | let mut framebuf: &mut [u8] = data.as_mut_slice(); | |
275 | ||
276 | let table = &INDEO2_DELTA_TABLE[tableno]; | |
277 | ||
278 | let mut base = offs; | |
279 | for _ in 0..h { | |
280 | let mut x: usize = 0; | |
281 | while x < w { | |
282 | let idx = br.read_cb(cb)? as usize; | |
283 | if idx >= 0x80 { | |
284 | let run = (idx - 0x80) * 2; | |
285 | if x + run > w { return Err(DecoderError::InvalidData); } | |
286 | x += run; | |
287 | } else { | |
288 | let delta0 = (table[idx * 2 + 0] as i16) - 0x80; | |
289 | let delta1 = (table[idx * 2 + 1] as i16) - 0x80; | |
290 | let mut pix0 = framebuf[base + x + 0] as i16; | |
291 | let mut pix1 = framebuf[base + x + 1] as i16; | |
292 | pix0 += delta0 * 3 >> 2; | |
293 | pix1 += delta1 * 3 >> 2; | |
294 | if pix0 < 0 { pix0 = 0; } | |
295 | if pix1 < 0 { pix1 = 0; } | |
296 | if pix0 > 255 { pix0 = 255; } | |
297 | if pix1 > 255 { pix1 = 255; } | |
298 | framebuf[base + x + 0] = pix0 as u8; | |
299 | framebuf[base + x + 1] = pix1 as u8; | |
300 | x += 2; | |
301 | } | |
302 | } | |
303 | base += stride; | |
304 | } | |
305 | Ok(()) | |
306 | } | |
307 | } | |
308 | ||
309 | const IR2_START: usize = 48; | |
310 | ||
311 | impl NADecoder for Indeo2Decoder { | |
312 | #[allow(unused_variables)] | |
313 | fn init(&mut self, info: Rc<NACodecInfo>) -> DecoderResult<()> { | |
314 | if let NACodecTypeInfo::Video(vinfo) = info.get_properties() { | |
315 | let w = vinfo.get_width(); | |
316 | let h = vinfo.get_height(); | |
317 | let f = vinfo.is_flipped(); | |
318 | let fmt = formats::YUV410_FORMAT; | |
319 | let myinfo = NACodecTypeInfo::Video(NAVideoInfo::new(w, h, f, fmt)); | |
320 | self.info = Rc::new(NACodecInfo::new_ref(info.get_name(), myinfo, info.get_extradata())); | |
321 | Ok(()) | |
322 | } else { | |
323 | Err(DecoderError::InvalidData) | |
324 | } | |
325 | } | |
326 | fn decode(&mut self, pkt: &NAPacket) -> DecoderResult<Rc<NAFrame>> { | |
327 | let src = pkt.get_buffer(); | |
328 | if src.len() <= IR2_START { return Err(DecoderError::ShortData); } | |
329 | let interframe = src[18]; | |
330 | let tabs = src[34]; | |
331 | let mut br = BitReader::new(&src[IR2_START..], src.len() - IR2_START, BitReaderMode::LE); | |
332 | let luma_tab = tabs & 3; | |
333 | let chroma_tab = (tabs >> 2) & 3; | |
334 | if interframe != 0 { | |
335 | let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone()); | |
336 | for plane in 0..3 { | |
337 | let tabidx = (if plane == 0 { luma_tab } else { chroma_tab }) as usize; | |
338 | self.decode_plane_intra(&mut br, &mut frm, plane, tabidx)?; | |
339 | } | |
340 | let rcf = Rc::new(frm); | |
341 | self.lastfrm = Some(rcf.clone()); | |
342 | Ok(rcf) | |
343 | } else { | |
344 | let lf = self.lastfrm.clone(); | |
345 | if let None = lf { return Err(DecoderError::MissingReference); } | |
346 | let lastfr = lf.unwrap(); | |
347 | let mut frm = NAFrame::from_copy(lastfr.as_ref()); | |
348 | frm.fill_timestamps(pkt); | |
349 | for plane in 0..3 { | |
350 | let tabidx = (if plane == 0 { luma_tab } else { chroma_tab }) as usize; | |
351 | self.decode_plane_inter(&mut br, &mut frm, plane, tabidx)?; | |
352 | } | |
353 | let rcf = Rc::new(frm); | |
354 | self.lastfrm = Some(rcf.clone()); | |
355 | Ok(rcf) | |
356 | } | |
357 | } | |
358 | } | |
359 | ||
360 | pub fn get_decoder() -> Box<NADecoder> { | |
361 | Box::new(Indeo2Decoder::new()) | |
362 | } | |
363 | ||
364 | #[cfg(test)] | |
365 | mod test { | |
366 | use codecs; | |
367 | use demuxers::*; | |
368 | use frame::NAFrame; | |
369 | use io::byteio::*; | |
370 | use std::fs::File; | |
371 | use std::io::prelude::*; | |
372 | ||
373 | #[test] | |
374 | fn test_indeo2() { | |
375 | let avi_dmx = find_demuxer("avi").unwrap(); | |
376 | let mut file = File::open("assets/laser05.avi").unwrap(); | |
377 | let mut fr = FileReader::new_read(&mut file); | |
378 | let mut br = ByteReader::new(&mut fr); | |
379 | let mut dmx = avi_dmx.new_demuxer(&mut br); | |
380 | dmx.open().unwrap(); | |
381 | let mut dec = (codecs::find_decoder("indeo2").unwrap())();//Indeo2Decoder::new(); | |
382 | ||
383 | let mut str: u32 = 42; | |
384 | for i in 0..dmx.get_num_streams() { | |
385 | let s = dmx.get_stream(i).unwrap(); | |
386 | let info = s.get_info(); | |
387 | if info.is_video() && info.get_name() == "indeo2" { | |
388 | str = s.get_id(); | |
389 | dec.init(s.get_info()).unwrap(); | |
390 | break; | |
391 | } | |
392 | } | |
393 | ||
394 | loop { | |
395 | let pktres = dmx.get_frame(); | |
396 | if let Err(e) = pktres { | |
397 | if (e as i32) == (DemuxerError::EOF as i32) { break; } | |
398 | panic!("error"); | |
399 | } | |
400 | let pkt = pktres.unwrap(); | |
401 | if pkt.get_stream().get_id() == str { | |
402 | let frm = dec.decode(&pkt).unwrap(); | |
403 | write_pgmyuv(pkt.get_pts().unwrap(), &frm); | |
404 | } | |
405 | } | |
406 | } | |
407 | ||
408 | fn write_pgmyuv(num: u64, frm: &NAFrame) { | |
409 | let name = format!("assets/out{:04}.pgm", num); | |
410 | let mut ofile = File::create(name).unwrap(); | |
411 | let (w, h) = frm.get_dimensions(0); | |
412 | let (w2, h2) = frm.get_dimensions(1); | |
413 | let tot_h = h + h2; | |
414 | let hdr = format!("P5\n{} {}\n255\n", w, tot_h); | |
415 | ofile.write_all(hdr.as_bytes()).unwrap(); | |
416 | let buf = frm.get_buffer(); | |
417 | let dta = buf.get_data(); | |
418 | let ls = frm.get_stride(0); | |
419 | let mut idx = 0; | |
420 | let mut idx2 = ls; | |
421 | let mut pad: Vec<u8> = Vec::with_capacity((w - w2 * 2) / 2); | |
422 | pad.resize((w - w2 * 2) / 2, 0xFF); | |
423 | for _ in 0..h { | |
424 | let line = &dta[idx..idx2]; | |
425 | ofile.write_all(line).unwrap(); | |
426 | idx += ls; | |
427 | idx2 += ls; | |
428 | } | |
429 | let mut base1 = frm.get_offset(1); | |
430 | let stride1 = frm.get_stride(1); | |
431 | let mut base2 = frm.get_offset(2); | |
432 | let stride2 = frm.get_stride(2); | |
433 | for _ in 0..h2 { | |
434 | let bend1 = base1 + w2; | |
435 | let line = &dta[base1..bend1]; | |
436 | ofile.write_all(line).unwrap(); | |
437 | ofile.write_all(pad.as_slice()).unwrap(); | |
438 | ||
439 | let bend2 = base2 + w2; | |
440 | let line = &dta[base2..bend2]; | |
441 | ofile.write_all(line).unwrap(); | |
442 | ofile.write_all(pad.as_slice()).unwrap(); | |
443 | ||
444 | base1 += stride1; | |
445 | base2 += stride2; | |
446 | } | |
447 | } | |
448 | } |