| /* |
| * Copyright (C) 2011 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| /** |
| ****************************************************************************** |
| * @file M4VIFI_Defines.h |
| * @brief Macro Definition |
| * @note This file defines all the macro used in the filter library |
| ****************************************************************************** |
| */ |
| |
| #ifndef _M4VIFI_DEFINES_H_ |
| #define _M4VIFI_DEFINES_H_ |
| |
| /** |
| ***************************************************************************** |
| * Macros used for color transform RGB565 to YUV |
| ***************************************************************************** |
| */ |
| #define CST_RGB_16_SIZE 2 |
| #define Y16(r, g, b) CLIP( ( ( (80593 * r)+(77855 * g)+(30728 * b)) >> 15)) |
| #define U16(r, g, b) CLIP(128+ ( ( -(45483 * r)-(43936 * g)+(134771 * b)) >> 15 )) |
| #define V16(r, g, b) CLIP(128+ ( ( (134771 * r)-(55532 * g)-(21917 * b)) >> 15 )) |
| |
| |
| /** |
| ***************************************************************************** |
| * Macros used for color transform YUV to RGB |
| * B = 1.164(Y - 16) + 2.018(U - 128) |
| * G = 1.164(Y - 16) - 0.813(V - 128) - 0.391(U - 128) |
| * R = 1.164(Y - 16) + 1.596(V - 128) |
| * Above Conversion Formula is implemented for fixed point operation |
| ***************************************************************************** |
| */ |
| |
| #define CST_RGB_24_SIZE 3 |
| |
| #ifdef __RGB_V1__ |
| #define DEMATRIX(Rx,Gx,Bx,Yx37,Ux,Vx) \ |
| Rx = CLIP(((Yx37 + (Vx * 51) + 16) >> 5) - 223); \ |
| Gx = CLIP(((Yx37 - ((Ux+(Vx<<1)) * 13) +16) >> 5) + 135); \ |
| Bx = CLIP(((Yx37 + (Ux * 65) + 16) >> 5) - 277) |
| #else |
| #define DEMATRIX(Rx,Gx,Bx,Yx2568,Ux,Vx) \ |
| Rx = CLIP(((Yx2568 + (Vx * 0x3343) + (M4VIFI_Int32)0xffe40800) >> 13)); \ |
| Gx = CLIP(((Yx2568 - (Ux * 0x0c92) - (Vx * 0x1a1e) + (M4VIFI_Int32)0x00110180) >> 13)); \ |
| Bx = CLIP(((Yx2568 + (Ux * 0x40cf) + (M4VIFI_Int32)0xffdd4200) >> 13)); |
| #endif /* __RGB_V1__ */ |
| |
| /** |
| ***************************************************************************** |
| * Packing and Unpacking is different for little and big endian |
| * r, g, b, Rx, Gx, Bx are 8 bit color value |
| * a, data are 16 bit pixel value |
| ***************************************************************************** |
| */ |
| |
| /* Pack computations common for little endian and big endian modes */ |
| #define PACK_BGR24(rgb_ptr,Rx,Gx,Bx) {rgb_ptr[0] = (M4VIFI_UInt8)Bx; rgb_ptr[1] =\ |
| (M4VIFI_UInt8)Gx; rgb_ptr[2] = (M4VIFI_UInt8)Rx;} |
| #define PACK_RGB24(rgb_ptr,Rx,Gx,Bx) {rgb_ptr[0] = (M4VIFI_UInt8)Rx; rgb_ptr[1] =\ |
| (M4VIFI_UInt8)Gx; rgb_ptr[2] = (M4VIFI_UInt8)Bx;} |
| |
| #ifdef BIG_ENDIAN |
| #define PACK_RGB565(a, Rx, Gx, Bx) (((Rx >> 3) << (11 + (a)))\ |
| | ((Gx >> 2) << (5 + (a))) | ((Bx >> 3) << (a))) |
| #define PACK_BGR565(a, Rx, Gx, Bx) (((Bx >> 3) << (11 + (a)))\ |
| | ((Gx >> 2) << (5 + (a))) | ((Rx >> 3) << (a))) |
| #define GET_RGB565(r, g, b, data) {b = ((data) & 31); g =\ |
| ((data >> 5) & 63); r = ((data >> 11) & 31);} |
| #define GET_BGR565(b, g, r, data) \ |
| r = ((data) & 31); \ |
| g = ((data >> 5) & 63); \ |
| b = ((data >> 11) & 31 ); |
| #else /* LITTLE endian: 0x12345678 -> 78 56 34 12 */ |
| #define PACK_RGB565(a, Rx, Gx, Bx) (((Bx >> 3) << (8 + (a))) \ |
| | (((Gx >> 2)&0x7) << (13 + (a))) | ((Gx >> 5) << (a)) | ((Rx >> 3) << (3 + a))) |
| #define PACK_BGR565(a, Rx, Gx, Bx) (((Rx >> 3) << (11 + (a))) \ |
| | ((Gx >> 2) << (5 + (a))) | ((Bx >> 3) << (a))) |
| #define GET_RGB565(r, g, b, data) { b = (M4VIFI_UInt8)(((data) & 0x1F00) >> 8); g =\ |
| (M4VIFI_UInt8)((((data) & 0x7) << 3) | (((data) & 0xE000) >> 13)); r =\ |
| (M4VIFI_UInt8)(((data) & 0xF8) >> 3);} |
| #define GET_BGR565(b, g, r, data) \ |
| b = ((data) & 31); \ |
| g = ((data >> 5) & 63); \ |
| r = ((data >> 11) & 31 ); |
| #endif /* BIG_ENDIAN */ |
| |
| |
| #define CST_RGB_24_SIZE 3 |
| #define Y24(r,g,b) CLIP(( ( (19595 * r) + (38470 * g) + (9437 * b) ) >>16)) |
| #define U24(r,g,b) CLIP(128 + ( ( -(11059 * r) - (21709 * g) + (32768 * b)) >>16)) |
| #define V24(r,g,b) CLIP(128 + ( ( (32768 * r) - (27426 * g) - (5329 * b)) >>16)) |
| #define GET_RGB24(r,g,b,s,o) r = s[o]; g = s[o + 1]; b = s[o + 2]; |
| |
| /** |
| *********************************************************************************** |
| * Macro for clipping using the clipping matrix for RGB values |
| *********************************************************************************** |
| */ |
| /** Clip function ensures values with range of 0 and 255 */ |
| #define CLIP(x) *(M4VIFI_ClipTable_zero + (x)) |
| #define CLIP_OVF 500 |
| #define CLIP_LUT_SIZE (256 + 2 * CLIP_OVF) |
| /** Division table for RGB565 to HLS conversion */ |
| #define DIVCLIP(x) *(M4VIFI_DivTable_zero + (x)) |
| |
| /** |
| ***************************************************************************** |
| * Endianness (default configuration is Little Endian) |
| ***************************************************************************** |
| */ |
| #if (!defined(LITTLE_ENDIAN) && !defined(BIG_ENDIAN)) |
| /** Default endian setting */ |
| #define LITTLE_ENDIAN |
| #endif |
| |
| /** |
| ***************************************************************************** |
| * Other macros and define |
| ***************************************************************************** |
| */ |
| /** YUV plane index */ |
| #define PLANES 3 |
| #define YPlane 0 |
| #define UPlane 1 |
| #define VPlane 2 |
| |
| /** Check for value is EVEN */ |
| #ifndef IS_EVEN |
| #define IS_EVEN(a) (!(a & 0x01)) |
| #endif |
| |
| /* Used for fixed point implementation */ |
| #ifndef MAX_SHORT |
| #define MAX_SHORT 0x10000 |
| #endif |
| |
| #endif /* _M4VIFI_DEFINES_H_ */ |
| |
| /* End of file M4VIFI_Defines.h */ |
| |