| Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * Copyright (C) 2015 The Android Open Source Project |
| 4 | * |
| 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | * you may not use this file except in compliance with the License. |
| 7 | * You may obtain a copy of the License at: |
| 8 | * |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * |
| 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | * See the License for the specific language governing permissions and |
| 15 | * limitations under the License. |
| 16 | * |
| 17 | ***************************************************************************** |
| 18 | * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore |
| 19 | */ |
| 20 | /** |
| 21 | ******************************************************************************* |
| 22 | * @file |
| 23 | * ih264_size_defs.h |
| 24 | * |
| 25 | * @brief |
| 26 | * Contains declaration of global variables for H264 transform , quant and inverse quant |
| 27 | * |
| 28 | * @author |
| 29 | * Ittiam |
| 30 | * |
| 31 | * @remarks |
| 32 | * |
| 33 | ********************************************************************************/ |
| 34 | |
| 35 | #ifndef IH264_SIZE_DEFS_H_ |
| 36 | #define IH264_SIZE_DEFS_H_ |
| 37 | |
| 38 | /*****************************************************************************/ |
| 39 | /* Constant Macros */ |
| 40 | /*****************************************************************************/ |
| 41 | |
| 42 | /*-----------------------Primary defs--------------------------*/ |
| 43 | |
| 44 | /*Width of a 4x4 block*/ |
| 45 | #define SUB_BLK_WIDTH_4x4 4 |
| 46 | |
| 47 | /*Width of an 8x8 block*/ |
| 48 | #define SUB_BLK_WIDTH_8x8 8 |
| 49 | |
| 50 | /*Number of chroma blocks in a row of coffs*/ |
| 51 | #define SUB_BLK_COUNT_CHROMA_4x4_420 2 |
| 52 | |
| 53 | /*Number of luma blocks in a row of coffs*/ |
| 54 | #define SUB_BLK_COUNT_LUMA_4x4 4 |
| 55 | |
| 56 | /*Numbr of chroma planes*/ |
| 57 | #define NUM_CHROMA_PLANES 2 |
| 58 | |
| 59 | /*Constant bit shifts*/ |
| 60 | #define QP_BITS_h264_4x4 15 |
| 61 | #define QP_BITS_h264_8x8 16 |
| 62 | |
| 63 | |
| 64 | /*---------------------------Derived defs------------------------*/ |
| 65 | |
| 66 | /*Number of coefficients ina 4x4 block*/ |
| 67 | #define COFF_CNT_SUB_BLK_4x4 SUB_BLK_WIDTH_4x4*SUB_BLK_WIDTH_4x4; |
| 68 | |
| 69 | /*Number of luma blocks in a row of coffs*/ |
| 70 | #define SUB_BLK_LUMA_4X4_CNT_MB SUB_BLK_COUNT_LUMA_4x4 * SUB_BLK_COUNT_LUMA_4x4 |
| 71 | |
| 72 | /*Number of chroma coffs in an MB*/ |
| 73 | #define SUB_BLK_CHROMA_4X4_CNT_MB SUB_BLK_COUNT_CHROMA_4x4_420 * SUB_BLK_COUNT_CHROMA_4x4_420 |
| 74 | #define SUB_BLK_CHROMA_4X4_CNT_MB_BIPLANE SUB_BLK_CHROMA_4X4_CNT_MB*NUM_CHROMA_PLANES |
| 75 | |
| 76 | /*Size of trans buff = 4x4 for DC block + 4x4 * coffs for 4x4 ac blocks*/ |
| 77 | #define SIZE_TRANS_BUFF (SUB_BLK_WIDTH_4x4*SUB_BLK_WIDTH_4x4*+ \ |
| 78 | SUB_BLK_WIDTH_4x4*SUB_BLK_WIDTH_4x4* \ |
| 79 | SUB_BLK_COUNT_LUMA_4x4*SUB_BLK_COUNT_LUMA_4x4) |
| 80 | |
| 81 | /*memory size = memory size of 4x4 block of resi coff + 4x4 for DC coff block */ |
| 82 | #define SIZE_TMP_BUFF_ITRANS ((SUB_BLK_WIDTH_4x4*SUB_BLK_WIDTH_4x4) +\ |
| 83 | (SUB_BLK_WIDTH_4x4*SUB_BLK_WIDTH_4x4)) |
| 84 | |
| 85 | #endif /* IH264_DEFS_H_ */ |