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 57void 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 75void 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 88