36 9,8,7,7,6,6,6,6,5,5,5,5,5,5,5,5,
37 4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,
38 3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,
39 3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,
40 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,
41 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,
42 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,
43 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,
44 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
45 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
46 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
47 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
48 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
49 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
50 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
51 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
52 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
53 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
54 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
55 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
57 -128, -128, -128, -128, -128, -128, 123, 123,
58 116, 116, 111, 111, 105, 105, 100, 100,
59 95, 95, 90, 90, 85, 85, 81, 81,
60 77, 77, 73, 73, 69, 69, 66, 66,
61 62, 62, 59, 59, 56, 56, 53, 53,
62 51, 51, 48, 48, 46, 46, 43, 43,
63 41, 41, 39, 39, 37, 37, 35, 35,
64 33, 33, 32, 32, 30, 30, 29, 29,
65 27, 27, 26, 26, 24, 24, 23, 23,
66 22, 22, 21, 21, 20, 20, 19, 19,
67 18, 18, 17, 17, 16, 16, 15, 15,
68 14, 14, 14, 14, 13, 13, 12, 12,
69 12, 12, 11, 11, 11, 11, 10, 10,
70 10, 10, 9, 9, 9, 9, 8, 8,
71 8, 8, 7, 7, 7, 7, 7, 7,
72 6, 6, 6, 6, 6, 6, 2, 2,
73 -80, -80, -89, -89, -98, -98, -106, -106,
74 -114, -114, -121, -121, -128, -128, 122, 122,
75 116, 116, 110, 110, 104, 104, 99, 99,
76 94, 94, 89, 89, 85, 85, 80, 80,
77 76, 76, 72, 72, 69, 69, 65, 65,
78 62, 62, 59, 59, 56, 56, 53, 53,
79 50, 50, 48, 48, 45, 45, 43, 43,
80 41, 41, 39, 39, 37, 37, 35, 35,
81 33, 33, 31, 31, 30, 30, 28, 28,
82 27, 27, 26, 26, 24, 24, 23, 23,
83 22, 22, 21, 21, 20, 20, 19, 19,
84 18, 18, 17, 17, 16, 16, 15, 15,
85 14, 14, 14, 14, 13, 13, 12, 12,
86 12, 12, 11, 11, 11, 11, 10, 10,
87 9, 9, 9, 9, 9, 9, 8, 8,
88 8, 8, 7, 7, 7, 7, 2, 2,
89 -48, -48, -59, -59, -69, -69, -78, -78,
90 -87, -87, -96, -96, -104, -104, -112, -112,
91 -119, -119, -126, -126, 123, 123, 117, 117,
92 111, 111, 105, 105, 100, 100, 95, 95,
93 90, 90, 86, 86, 81, 81, 77, 77,
94 73, 73, 69, 69, 66, 66, 63, 63,
95 59, 59, 56, 56, 54, 54, 51, 51,
96 48, 48, 46, 46, 43, 43, 41, 41,
97 39, 39, 37, 37, 35, 35, 33, 33,
98 32, 32, 30, 30, 29, 29, 27, 27,
99 26, 26, 25, 25, 23, 23, 22, 22,
100 21, 21, 20, 20, 19, 19, 18, 18,
101 17, 17, 16, 16, 15, 15, 15, 15,
102 14, 14, 13, 13, 12, 12, 12, 12,
103 11, 11, 11, 11, 10, 10, 10, 10,
104 9, 9, 9, 9, 8, 8, 2, 2,
105 -16, -16, -29, -29, -40, -40, -51, -51,
106 -61, -61, -71, -71, -81, -81, -90, -90,
107 -98, -98, -106, -106, -114, -114, -121, -121,
108 -128, -128, 122, 122, 116, 116, 110, 110,
109 104, 104, 99, 99, 94, 94, 89, 89,
110 85, 85, 80, 80, 76, 76, 72, 72,
111 69, 69, 65, 65, 62, 62, 59, 59,
112 56, 56, 53, 53, 50, 50, 48, 48,
113 45, 45, 43, 43, 41, 41, 39, 39,
114 37, 37, 35, 35, 33, 33, 31, 31,
115 30, 30, 28, 28, 27, 27, 25, 25,
116 24, 24, 23, 23, 22, 22, 21, 21,
117 20, 20, 19, 19, 18, 18, 17, 17,
118 16, 16, 15, 15, 14, 14, 14, 14,
119 13, 13, 12, 12, 12, 12, 11, 11,
120 11, 11, 10, 10, 9, 9, 2, 2,
122 127, 126, 77, 76, 77, 76, 75, 74,
123 75, 74, 75, 74, 73, 72, 73, 72,
124 73, 72, 71, 70, 71, 70, 71, 70,
125 69, 68, 69, 68, 67, 66, 67, 66,
126 67, 66, 65, 64, 65, 64, 63, 62,
127 61, 60, 61, 60, 61, 60, 59, 58,
128 59, 58, 57, 56, 55, 54, 55, 54,
129 53, 52, 53, 52, 51, 50, 49, 48,
130 49, 48, 47, 46, 45, 44, 45, 44,
131 43, 42, 43, 42, 39, 38, 39, 38,
132 37, 36, 37, 36, 33, 32, 33, 32,
133 31, 30, 31, 30, 27, 26, 27, 26,
134 25, 24, 23, 22, 23, 22, 19, 18,
135 19, 18, 17, 16, 15, 14, 13, 12,
136 11, 10, 9, 8, 9, 8, 5, 4,
137 5, 4, 3, 2, 1, 0, 0, 1,
138 2, 3, 4, 5, 6, 7, 8, 9,
139 10, 11, 12, 13, 14, 15, 16, 17,
140 18, 19, 20, 21, 22, 23, 24, 25,
141 26, 27, 28, 29, 30, 31, 32, 33,
142 34, 35, 36, 37, 38, 39, 40, 41,
143 42, 43, 44, 45, 46, 47, 48, 49,
144 50, 51, 52, 53, 54, 55, 56, 57,
145 58, 59, 60, 61, 62, 63, 64, 65,
146 66, 67, 68, 69, 70, 71, 72, 73,
147 74, 75, 76, 77, 78, 79, 80, 81,
148 82, 83, 84, 85, 86, 87, 88, 89,
149 90, 91, 92, 93, 94, 95, 96, 97,
150 98, 99, 100, 101, 102, 103, 104, 105,
151 106, 107, 108, 109, 110, 111, 112, 113,
152 114, 115, 116, 117, 118, 119, 120, 121,
153 122, 123, 124, 125, 124, 125, 126, 127,
155 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
156 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
157 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4,
158 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
const uint8_t * bytestream_end
const uint8_t * bytestream
Undefined Behavior In the C some operations are like signed integer dereferencing freed accessing outside allocated Undefined Behavior must not occur in a C it is not safe even if the output of undefined operations is unused The unsafety may seem nit picking but Optimizing compilers have in fact optimized code on the assumption that no undefined Behavior occurs Optimizing code based on wrong assumptions can and has in some cases lead to effects beyond the output of computations The signed integer overflow problem in speed critical code Code which is highly optimized and works with signed integers sometimes has the problem that often the output of the computation does not c
const uint8_t * bytestream_start
int ff_init_cabac_decoder(CABACContext *c, const uint8_t *buf, int buf_size)
Context Adaptive Binary Arithmetic Coder inline functions.
DECLARE_ASM_ALIGNED(1, const uint8_t, ff_h264_cabac_tables)[512+4 *2 *64+4 *64+63]
const uint8_t ff_h264_cabac_tables[512+4 *2 *64+4 *64+63]
common internal and external API header
Context Adaptive Binary Arithmetic Coder.