1 /** 2 * 3 * File Name: armVCM4P2_Lookup_Tables.c 4 * OpenMAX DL: v1.0.2 5 * Revision: 9641 6 * Date: Thursday, February 7, 2008 7 * 8 * (c) Copyright 2007-2008 ARM Limited. All Rights Reserved. 9 * 10 * 11 * 12 * File: armVCM4P2_Lookup_Tables.c 13 * Description: Contains all the Lookup tables used in MPEG4 codec 14 * 15 */ 16 17 #include "omxtypes.h" 18 #include "armOMX.h" 19 20 /* * Table Entries contain Dc Scaler values 21 * armVCM4P2_DCScaler[i]= 8 for i=1 to 4 and i=33 to 36 22 * = 2*i for i=5 to 8 23 * = i+8 for i=9 to 25 24 * = 2*i-16 for i=26 to 31 25 * = (i-32+13)/2 for i=37 to 59 26 * = i-6-32 for i=60 to 63 27 * = 255 for i=0 and i=32 28 */ 29 30 const OMX_U8 armVCM4P2_DCScaler[64]={ 31 0xff, 0x8, 0x8, 0x8, 0x8, 0xa, 0xc, 0xe, 32 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 33 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 34 0x20, 0x22, 0x24, 0x26, 0x28, 0x2a, 0x2c, 0x2e, 35 0xff, 0x8, 0x8, 0x8, 0x8, 0x9, 0x9, 0xa, 36 0xa, 0xb, 0xb, 0xc, 0xc, 0xd, 0xd, 0xe, 37 0xe, 0xf, 0xf, 0x10, 0x10, 0x11, 0x11, 0x12, 38 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 39 40 }; 41 42 43 /* Table Entries Contain reciprocal of 1 to 63 44 * armVCM4P2_Reciprocal_QP_S16[i]=round(32767/i) 45 * armVCM4P2_Reciprocal_QP_S16[0]= 0 46 */ 47 48 const OMX_S16 armVCM4P2_Reciprocal_QP_S16[64]={ 49 0x0000,0x7fff,0x4000,0x2aaa,0x2000,0x1999,0x1555,0x1249, 50 0x1000,0x0e39,0x0ccd,0x0ba3,0x0aab,0x09d9,0x0925,0x0888, 51 0x0800,0x0787,0x071c,0x06bd,0x0666,0x0618,0x05d1,0x0591, 52 0x0555,0x051f,0x04ec,0x04be,0x0492,0x046a,0x0444,0x0421, 53 0x0400,0x03e1,0x03c4,0x03a8,0x038e,0x0376,0x035e,0x0348, 54 0x0333,0x031f,0x030c,0x02fa,0x02e9,0x02d8,0x02c8,0x02b9, 55 0x02ab,0x029d,0x028f,0x0282,0x0276,0x026a,0x025f,0x0254, 56 0x0249,0x023f,0x0235,0x022b,0x0222,0x0219,0x0211,0x0208 57 58 }; 59 60 /* Table Entries Contain reciprocal of 1 to 63 61 * armVCM4P2_Reciprocal_QP_S32[i]=round(131071/i) 62 * armVCM4P2_Reciprocal_QP_S32[0]= 0 63 */ 64 65 const OMX_S32 armVCM4P2_Reciprocal_QP_S32[64]={ 66 0x00000000,0x0001ffff,0x00010000,0x0000aaaa, 0x00008000, 0x00006666, 0x00005555, 0x00004924, 67 0x00004000,0x000038e3,0x00003333,0x00002e8c, 0x00002aab, 0x00002762, 0x00002492, 0x00002222, 68 0x00002000,0x00001e1e,0x00001c72,0x00001af2, 0x0000199a, 0x00001861, 0x00001746, 0x00001643, 69 0x00001555,0x0000147b,0x000013b1,0x000012f6, 0x00001249, 0x000011a8, 0x00001111, 0x00001084, 70 0x00001000,0x00000f84,0x00000f0f,0x00000ea1, 0x00000e39, 0x00000dd6, 0x00000d79, 0x00000d21, 71 0x00000ccd,0x00000c7d,0x00000c31,0x00000be8, 0x00000ba3, 0x00000b61, 0x00000b21, 0x00000ae5, 72 0x00000aab,0x00000a73,0x00000a3d,0x00000a0a, 0x000009d9, 0x000009a9, 0x0000097b, 0x0000094f, 73 0x00000925,0x000008fb,0x000008d4,0x000008ae, 0x00000889, 0x00000865, 0x00000842, 0x00000820 74 75 }; 76
