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view libavcodec/cell/h264_tables.h @ 2:897f711a7157
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| author | Nina Engelhardt <nengel@mailbox.tu-berlin.de> |
|---|---|
| date | Tue, 25 Sep 2012 15:55:33 +0200 |
| parents | |
| children |
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1 #ifndef H264_TABLES_H
2 #define H264_TABLES_H
4 #define MAX_NEG_CROP 1024
6 extern uint8_t ff_cropTbl[256+2 *MAX_NEG_CROP];
7 extern int block_offset[16+4+4];
9 static const uint8_t scan8[16 + 2*4]={
10 4+1*8, 5+1*8, 4+2*8, 5+2*8,
11 6+1*8, 7+1*8, 6+2*8, 7+2*8,
12 4+3*8, 5+3*8, 4+4*8, 5+4*8,
13 6+3*8, 7+3*8, 6+4*8, 7+4*8,
14 1+1*8, 2+1*8,
15 1+2*8, 2+2*8,
16 1+4*8, 2+4*8,
17 1+5*8, 2+5*8,
18 };
20 static const uint8_t ff_zigzag_direct[64] = {
21 0, 1, 8, 16, 9, 2, 3, 10,
22 17, 24, 32, 25, 18, 11, 4, 5,
23 12, 19, 26, 33, 40, 48, 41, 34,
24 27, 20, 13, 6, 7, 14, 21, 28,
25 35, 42, 49, 56, 57, 50, 43, 36,
26 29, 22, 15, 23, 30, 37, 44, 51,
27 58, 59, 52, 45, 38, 31, 39, 46,
28 53, 60, 61, 54, 47, 55, 62, 63
29 };
31 static const uint8_t zigzag_scan[16]={
32 0+0*4, 1+0*4, 0+1*4, 0+2*4,
33 1+1*4, 2+0*4, 3+0*4, 2+1*4,
34 1+2*4, 0+3*4, 1+3*4, 2+2*4,
35 3+1*4, 3+2*4, 2+3*4, 3+3*4,
36 };
38 static const uint8_t luma_dc_zigzag_scan[16]={
39 0*16 + 0*64, 1*16 + 0*64, 2*16 + 0*64, 0*16 + 2*64,
40 3*16 + 0*64, 0*16 + 1*64, 1*16 + 1*64, 2*16 + 1*64,
41 1*16 + 2*64, 2*16 + 2*64, 3*16 + 2*64, 0*16 + 3*64,
42 3*16 + 1*64, 1*16 + 3*64, 2*16 + 3*64, 3*16 + 3*64,
43 };
45 static const uint8_t chroma_dc_scan[4]={
46 (0+0*2)*16, (1+0*2)*16,
47 (0+1*2)*16, (1+1*2)*16, //FIXME
48 };
50 static const uint8_t rem6[52]={
51 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3,
52 };
54 static const uint8_t div6[52]={
55 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8,
56 };
58 static const uint8_t dequant4_coeff_init[6][3]={
59 {10,13,16},
60 {11,14,18},
61 {13,16,20},
62 {14,18,23},
63 {16,20,25},
64 {18,23,29},
65 };
67 static const uint8_t dequant8_coeff_init_scan[16] = {
68 0,3,4,3, 3,1,5,1, 4,5,2,5, 3,1,5,1
69 };
70 static const uint8_t dequant8_coeff_init[6][6]={
71 {20,18,32,19,25,24},
72 {22,19,35,21,28,26},
73 {26,23,42,24,33,31},
74 {28,25,45,26,35,33},
75 {32,28,51,30,40,38},
76 {36,32,58,34,46,43},
77 };
80 void init_block_offset(int linesize, int uvlinesize);
81 void ff_cropTbl_init();
83 #endif