Venkatarama Avadhani | aed24ee | 2015-03-11 10:08:57 +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 | * impeg2_utils.c |
| 24 | * |
| 25 | * @brief |
| 26 | * Contains utility function definitions for MPEG2 codec |
| 27 | * |
| 28 | * @author |
| 29 | * Harish |
| 30 | * |
| 31 | * @par List of Functions: |
| 32 | * - impeg2_memset0_16bit_8x8_linear_block() |
| 33 | * - impeg2_memset_8bit_8x8_block() |
| 34 | * |
| 35 | * @remarks |
| 36 | * None |
| 37 | * |
| 38 | ******************************************************************************* |
| 39 | */ |
| 40 | |
| 41 | #include <stdio.h> |
| 42 | #include <string.h> |
| 43 | #include "iv_datatypedef.h" |
| 44 | #include "impeg2_defs.h" |
| 45 | |
| 46 | /******************************************************************************* |
| 47 | * Function Name : impeg2_memset0_16bit_8x8_linear_block |
| 48 | * |
| 49 | * Description : memsets resudial buf to 0 |
| 50 | * |
| 51 | * Arguments : destination buffer |
| 52 | * |
| 53 | * Values Returned : None |
| 54 | *******************************************************************************/ |
| 55 | |
| 56 | |
| 57 | void impeg2_memset0_16bit_8x8_linear_block (WORD16 *pi2_buf) |
| 58 | { |
| 59 | memset(pi2_buf,0,64 * sizeof(WORD16)); |
| 60 | } |
| 61 | |
| 62 | |
| 63 | |
| 64 | /******************************************************************************* |
| 65 | * Function Name : impeg2_memset_8bit_8x8_block |
| 66 | * |
| 67 | * Description : memsets residual buf to value |
| 68 | * |
| 69 | * Arguments : destination buffer, value and stride |
| 70 | * |
| 71 | * Values Returned : None |
| 72 | *******************************************************************************/ |
| 73 | |
| 74 | |
| 75 | void impeg2_memset_8bit_8x8_block(UWORD8 *pu1_dst, WORD32 u4_dc_val, WORD32 u4_dst_wd) |
| 76 | { |
| 77 | WORD32 j; |
| 78 | |
| 79 | for(j = BLK_SIZE; j > 0; j--) |
| 80 | { |
| 81 | memset(pu1_dst, u4_dc_val, BLK_SIZE); |
| 82 | pu1_dst += u4_dst_wd; |
| 83 | } |
| 84 | } |
| 85 | |
| 86 | |
| 87 | |