1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
/**
*
* File Name: armVCM4P2_Lookup_Tables.c
* OpenMAX DL: v1.0.2
* Revision: 12290
* Date: Wednesday, April 9, 2008
*
* (c) Copyright 2007-2008 ARM Limited. All Rights Reserved.
*
*
*
* File: armVCM4P2_Lookup_Tables.c
* Description: Contains all the Lookup tables used in MPEG4 codec
*
*/
#include "omxtypes.h"
#include "armOMX.h"
/* * Table Entries contain Dc Scaler values
* armVCM4P2_DCScaler[i]= 8 for i=1 to 4 and i=33 to 36
* = 2*i for i=5 to 8
* = i+8 for i=9 to 25
* = 2*i-16 for i=26 to 31
* = (i-32+13)/2 for i=37 to 59
* = i-6-32 for i=60 to 63
* = 255 for i=0 and i=32
*/
const OMX_U8 armVCM4P2_DCScaler[64]={
0xff, 0x8, 0x8, 0x8, 0x8, 0xa, 0xc, 0xe,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
0x20, 0x22, 0x24, 0x26, 0x28, 0x2a, 0x2c, 0x2e,
0xff, 0x8, 0x8, 0x8, 0x8, 0x9, 0x9, 0xa,
0xa, 0xb, 0xb, 0xc, 0xc, 0xd, 0xd, 0xe,
0xe, 0xf, 0xf, 0x10, 0x10, 0x11, 0x11, 0x12,
0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19,
};
/* Table Entries Contain reciprocal of 1 to 63
* armVCM4P2_Reciprocal_QP_S16[i]=round(32767/i)
* armVCM4P2_Reciprocal_QP_S16[0]= 0
*/
const OMX_S16 armVCM4P2_Reciprocal_QP_S16[64]={
0x0000,0x7fff,0x4000,0x2aaa,0x2000,0x1999,0x1555,0x1249,
0x1000,0x0e39,0x0ccd,0x0ba3,0x0aab,0x09d9,0x0925,0x0888,
0x0800,0x0787,0x071c,0x06bd,0x0666,0x0618,0x05d1,0x0591,
0x0555,0x051f,0x04ec,0x04be,0x0492,0x046a,0x0444,0x0421,
0x0400,0x03e1,0x03c4,0x03a8,0x038e,0x0376,0x035e,0x0348,
0x0333,0x031f,0x030c,0x02fa,0x02e9,0x02d8,0x02c8,0x02b9,
0x02ab,0x029d,0x028f,0x0282,0x0276,0x026a,0x025f,0x0254,
0x0249,0x023f,0x0235,0x022b,0x0222,0x0219,0x0211,0x0208
};
/* Table Entries Contain reciprocal of 1 to 63
* armVCM4P2_Reciprocal_QP_S32[i]=round(131071/i)
* armVCM4P2_Reciprocal_QP_S32[0]= 0
*/
const OMX_S32 armVCM4P2_Reciprocal_QP_S32[64]={
0x00000000,0x0001ffff,0x00010000,0x0000aaaa, 0x00008000, 0x00006666, 0x00005555, 0x00004924,
0x00004000,0x000038e3,0x00003333,0x00002e8c, 0x00002aab, 0x00002762, 0x00002492, 0x00002222,
0x00002000,0x00001e1e,0x00001c72,0x00001af2, 0x0000199a, 0x00001861, 0x00001746, 0x00001643,
0x00001555,0x0000147b,0x000013b1,0x000012f6, 0x00001249, 0x000011a8, 0x00001111, 0x00001084,
0x00001000,0x00000f84,0x00000f0f,0x00000ea1, 0x00000e39, 0x00000dd6, 0x00000d79, 0x00000d21,
0x00000ccd,0x00000c7d,0x00000c31,0x00000be8, 0x00000ba3, 0x00000b61, 0x00000b21, 0x00000ae5,
0x00000aab,0x00000a73,0x00000a3d,0x00000a0a, 0x000009d9, 0x000009a9, 0x0000097b, 0x0000094f,
0x00000925,0x000008fb,0x000008d4,0x000008ae, 0x00000889, 0x00000865, 0x00000842, 0x00000820
};
|
