[340] | 1 | /* The copyright in this software is being made available under the BSD |
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| 2 | * License, included below. This software may be subject to other third party |
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| 3 | * and contributor rights, including patent rights, and no such rights are |
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| 4 | * granted under this license. |
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| 5 | * |
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| 6 | * Copyright (c) 2010-2013, ITU/ISO/IEC |
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| 7 | * All rights reserved. |
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| 8 | * |
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| 9 | * Redistribution and use in source and binary forms, with or without |
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| 10 | * modification, are permitted provided that the following conditions are met: |
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| 11 | * |
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| 12 | * * Redistributions of source code must retain the above copyright notice, |
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| 13 | * this list of conditions and the following disclaimer. |
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| 14 | * * Redistributions in binary form must reproduce the above copyright notice, |
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| 15 | * this list of conditions and the following disclaimer in the documentation |
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| 16 | * and/or other materials provided with the distribution. |
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| 17 | * * Neither the name of the ITU/ISO/IEC nor the names of its contributors may |
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| 18 | * be used to endorse or promote products derived from this software without |
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| 19 | * specific prior written permission. |
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| 20 | * |
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| 21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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| 22 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS |
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| 25 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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| 26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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| 27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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| 28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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| 29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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| 30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
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| 31 | * THE POSSIBILITY OF SUCH DAMAGE. |
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| 32 | */ |
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| 33 | |
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| 34 | /** \file TAppDownConvert.cpp |
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| 35 | \brief Down convert application main |
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| 36 | */ |
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| 37 | #include <stdio.h> |
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| 38 | #include <stdlib.h> |
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| 39 | #include <string.h> |
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| 40 | #include <math.h> |
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| 41 | |
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| 42 | //! \ingroup TAppDecoder |
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| 43 | //! \{ |
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| 44 | |
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| 45 | #define pi 3.1415926 |
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| 46 | |
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| 47 | int get_mem2DPelWithPad(unsigned char ***array2D, int dim0, int dim1, int iPadY, int iPadX) |
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| 48 | { |
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| 49 | int i; |
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| 50 | unsigned char *curr = NULL; |
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| 51 | int iHeight, iWidth; |
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| 52 | |
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| 53 | iHeight = dim0+2*iPadY; |
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| 54 | iWidth = dim1+2*iPadX; |
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| 55 | (*array2D) = (unsigned char**)malloc(iHeight*sizeof(unsigned char*)); |
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| 56 | *(*array2D) = (unsigned char* )calloc(iHeight * iWidth, sizeof(unsigned char )); |
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| 57 | |
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| 58 | (*array2D)[0] += iPadX; |
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| 59 | curr = (*array2D)[0]; |
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| 60 | for(i = 1 ; i < iHeight; i++) |
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| 61 | { |
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| 62 | curr += iWidth; |
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| 63 | (*array2D)[i] = curr; |
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| 64 | } |
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| 65 | (*array2D) = &((*array2D)[iPadY]); |
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| 66 | |
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| 67 | return 0; |
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| 68 | } |
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| 69 | |
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| 70 | int get_mem2DintWithPad(int ***array2D, int dim0, int dim1, int iPadY, int iPadX) |
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| 71 | { |
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| 72 | int i; |
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| 73 | int *curr = NULL; |
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| 74 | int iHeight, iWidth; |
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| 75 | |
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| 76 | iHeight = dim0+2*iPadY; |
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| 77 | iWidth = dim1+2*iPadX; |
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| 78 | (*array2D) = (int**)malloc(iHeight*sizeof(int*)); |
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| 79 | *(*array2D) = (int* )calloc(iHeight * iWidth, sizeof(int )); |
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| 80 | |
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| 81 | (*array2D)[0] += iPadX; |
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| 82 | curr = (*array2D)[0]; |
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| 83 | for(i = 1 ; i < iHeight; i++) |
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| 84 | { |
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| 85 | curr += iWidth; |
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| 86 | (*array2D)[i] = curr; |
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| 87 | } |
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| 88 | (*array2D) = &((*array2D)[iPadY]); |
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| 89 | |
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| 90 | return 0; |
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| 91 | } |
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| 92 | |
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| 93 | void free_mem2DPelWithPad(unsigned char **array2D, int iPadY, int iPadX) |
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| 94 | { |
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| 95 | if (array2D) |
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| 96 | { |
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| 97 | if (*array2D) |
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| 98 | { |
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| 99 | free (array2D[-iPadY]-iPadX); |
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| 100 | } |
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| 101 | else |
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| 102 | { |
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| 103 | printf("free_mem2DintWithPad: trying to free unused memory\r\nPress Any Key\r\n"); |
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| 104 | } |
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| 105 | |
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| 106 | free (&array2D[-iPadY]); |
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| 107 | } |
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| 108 | else |
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| 109 | { |
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| 110 | printf("free_mem2DintWithPad: trying to free unused memory\r\nPress Any Key\r\n"); |
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| 111 | } |
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| 112 | } |
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| 113 | |
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| 114 | void free_mem2DintWithPad(int **array2D, int iPadY, int iPadX) |
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| 115 | { |
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| 116 | if (array2D) |
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| 117 | { |
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| 118 | if (*array2D) |
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| 119 | { |
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| 120 | free (array2D[-iPadY]-iPadX); |
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| 121 | } |
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| 122 | else |
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| 123 | { |
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| 124 | printf("free_mem2DintWithPad: trying to free unused memory\r\nPress Any Key\r\n"); |
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| 125 | } |
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| 126 | |
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| 127 | free (&array2D[-iPadY]); |
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| 128 | } |
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| 129 | else |
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| 130 | { |
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| 131 | printf("free_mem2DintWithPad: trying to free unused memory\r\nPress Any Key\r\n"); |
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| 132 | } |
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| 133 | } |
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| 134 | |
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| 135 | void PadImgHorizontal(unsigned char **src, unsigned char **dst, int height, int width, int pad_h) |
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| 136 | { |
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| 137 | int i, j; |
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| 138 | unsigned char *BufSrc, *BufDst; |
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| 139 | |
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| 140 | for (j=0;j<height;j++) |
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| 141 | { |
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| 142 | BufDst = &(dst[j][-pad_h] ); |
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| 143 | BufSrc = src[j]; |
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| 144 | for (i=0;i<pad_h;i++) |
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| 145 | { |
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| 146 | *(BufDst++) = BufSrc[0]; |
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| 147 | } |
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| 148 | memcpy(BufDst, BufSrc, width*sizeof(unsigned char)); |
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| 149 | BufDst += width; |
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| 150 | for (i=0;i<pad_h;i++) |
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| 151 | { |
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| 152 | *(BufDst++) = BufSrc[width-1]; |
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| 153 | } |
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| 154 | } |
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| 155 | } |
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| 156 | |
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| 157 | void FilterImg( unsigned char **src, |
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| 158 | int **temp, |
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| 159 | unsigned char **dst, |
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| 160 | int height1, |
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| 161 | int width1, |
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| 162 | int M, |
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| 163 | int N, |
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| 164 | int **phase_filter, |
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| 165 | int length, |
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| 166 | int shift, |
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| 167 | int plane) |
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| 168 | { |
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| 169 | int height2,width2; |
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| 170 | int k,iSum; |
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| 171 | int i0, div_i0, i1; |
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| 172 | int j0, div_j0, j1; |
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| 173 | int *p_filter; |
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| 174 | unsigned char *p_src, *p_dst; |
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| 175 | int **p_temp, *p_tmp; |
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| 176 | int shift2 = (2*shift); |
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| 177 | int shift_round = (1 << (2 * shift - 1)); |
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| 178 | |
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| 179 | height2 = (height1 * M) / N; |
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| 180 | width2 = (width1 * M) / N; |
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| 181 | |
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| 182 | // horizontal filtering |
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| 183 | for(j1 = 0; j1 < height1; j1++) |
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| 184 | { |
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| 185 | i0=-N; |
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| 186 | p_tmp = temp[j1]; |
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| 187 | for(i1 = 0; i1 < width2; i1++) |
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| 188 | { |
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| 189 | i0 += N; |
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| 190 | div_i0 = (i0 / M); |
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| 191 | p_src = &src[j1][ div_i0 - (length >> 1)]; |
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| 192 | p_filter = phase_filter[i0 - div_i0 * M]; |
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| 193 | iSum = 0; |
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| 194 | for(k = 0; k < length; k++) |
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| 195 | { |
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| 196 | iSum += (*p_src++) * (*p_filter++); |
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| 197 | } |
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| 198 | *p_tmp++ = iSum; |
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| 199 | } |
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| 200 | } |
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| 201 | |
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| 202 | // pad temp (vertical) |
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| 203 | for (k=-(length>>1);k<0;k++) |
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| 204 | memcpy(temp[k], temp[0], width2*sizeof(int)); |
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| 205 | for (k=height1;k<(height1+(length>>1));k++) |
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| 206 | memcpy(temp[k], temp[k-1], (width2)* sizeof(int)); |
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| 207 | |
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| 208 | // vertical filtering |
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| 209 | j0 = (plane == 0) ? -N : -(N-1); |
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| 210 | |
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| 211 | for(j1 = 0; j1 < height2; j1++) |
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| 212 | { |
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| 213 | j0 += N; |
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| 214 | div_j0 = (j0 / M); |
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| 215 | p_dst = dst[j1]; |
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| 216 | p_temp = &temp[div_j0 - (length>>1)]; |
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| 217 | p_filter = phase_filter[j0 - div_j0 * M]; |
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| 218 | for(i1 = 0; i1 < width2;i1++) |
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| 219 | { |
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| 220 | iSum=0; |
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| 221 | for(k = 0; k < length; k++) |
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| 222 | { |
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| 223 | iSum += p_temp[k][i1] * p_filter[k]; |
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| 224 | } |
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| 225 | iSum=((iSum + shift_round) >> shift2); |
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| 226 | *p_dst++ = (unsigned char)(iSum > 255 ? 255 : iSum < 0 ? 0 : iSum); |
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| 227 | } |
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| 228 | } |
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| 229 | } |
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| 230 | |
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| 231 | // ==================================================================================================================== |
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| 232 | // Main function |
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| 233 | // ==================================================================================================================== |
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| 234 | |
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| 235 | int main(int argc, char *argv[]) |
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| 236 | { |
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| 237 | const int phase_filter_0[4][13]={ |
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| 238 | {0, 2, -3, -9, 6, 39, 58, 39, 6, -9, -3, 2, 0}, |
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| 239 | {0, 1, -1, -8, -1, 31, 57, 47, 13, -7, -5, 1, 0}, |
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| 240 | {0, 1, 0, -7, -5, 22, 53, 53, 22, -5, -7, 0, 1}, |
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| 241 | {0, 0, 1, -5, -7, 13, 47, 57, 31, -1, -8,-1, 1} |
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| 242 | }; |
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| 243 | |
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| 244 | const int phase_filter_1[8][13]={ |
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| 245 | {0, 0, 5, -6, -10, 37, 76, 37,-10, -6, 5, 0, 0}, |
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| 246 | {0, -1, 5, -3, -12, 29, 75, 45, -7, -8, 5, 0, 0}, |
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| 247 | {0, -1, 4, -1, -13, 22, 73, 52, -3, -10, 4, 1, 0}, |
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| 248 | {0, -1, 4, 1, -13, 14, 70, 59, 2, -12, 3, 2, -1}, |
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| 249 | {0, -1, 3, 2, -13, 8, 65, 65, 8, -13, 2, 3, -1}, |
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| 250 | {0, -1, 2, 3, -12, 2, 59, 70, 14, -13, 1, 4, -1}, |
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| 251 | {0, 0, 1, 4, -10, -3, 52, 73, 22, -13,-1, 4, -1}, |
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| 252 | {0, 0, 0, 5, -8, -7, 45, 75, 29, -12,-3, 5, -1} |
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| 253 | }; |
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| 254 | |
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| 255 | int i,j; |
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| 256 | |
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| 257 | int width_org, width_org_c, width_sampled, width_sampled_c; |
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| 258 | int height_org, height_org_c, height_sampled, height_sampled_c; |
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| 259 | int size_org, size_org_c, size_sampled, size_sampled_c; |
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| 260 | |
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| 261 | unsigned char **Y1, **U1, **V1; |
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| 262 | unsigned char **Y2, **U2, **V2; |
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| 263 | unsigned char **temp_luma, **temp_chroma; |
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| 264 | int **tempY, **tempU, **tempV; |
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| 265 | |
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| 266 | int **phase_filter; |
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| 267 | int log2_scaling_factor=7; |
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| 268 | |
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| 269 | FILE * infile; |
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| 270 | FILE * outfile; |
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| 271 | |
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[442] | 272 | int M = -1 ,N = -1; |
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| 273 | int ratio = -1; |
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[340] | 274 | int Frames=0; |
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| 275 | int totalFrames=0; |
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| 276 | int StartFrame=0; |
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| 277 | int Tap=13; |
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| 278 | |
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| 279 | if (argc < 6) |
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| 280 | { |
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| 281 | printf("\nIncorrect number of arguments!!!\n\n"); |
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| 282 | printf("Syntax: \n"); |
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| 283 | printf("%s <input width> <input height> <input file> <output file> <downsampling method> [frames_to_process] [start_frame]\n\n", argv[0]); |
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| 284 | printf("<downsampling method> 0: 2x downsampling, 1: 1.5x downsampling. \n"); |
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| 285 | printf("Examples: \n"); |
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| 286 | printf("%s 1920 1080 input_1920x1080_24p.yuv output_960x540_24p.yuv 0 \n", argv[0]); |
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| 287 | printf("%s 1920 1080 input_1920x1080_24p.yuv output_1280x720_24p.yuv 1 \n", argv[0]); |
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| 288 | return -1; |
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| 289 | } |
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| 290 | |
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| 291 | width_org = atoi (argv[1]); |
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| 292 | height_org = atoi (argv[2]); |
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| 293 | infile = fopen (argv[3], "rb"); |
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| 294 | outfile = fopen (argv[4], "wb"); |
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| 295 | ratio = atoi (argv[5]); |
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| 296 | |
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| 297 | for(i=7; i<= argc; i++) |
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| 298 | { |
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| 299 | switch(i) |
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| 300 | { |
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| 301 | case 7: |
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| 302 | Frames = atoi(argv[6]); |
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| 303 | break; |
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| 304 | case 8: |
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| 305 | StartFrame = atoi(argv[7]); |
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| 306 | break; |
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| 307 | default: |
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| 308 | printf("Too many input arguments"); |
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| 309 | break; |
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| 310 | } |
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| 311 | } |
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| 312 | |
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| 313 | if( width_org < 4 || height_org < 4 ) |
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| 314 | { |
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| 315 | printf("\ninput resolution is too small, exit\n"); |
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| 316 | return -1; |
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| 317 | } |
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| 318 | if ( infile == NULL || outfile == NULL ) |
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| 319 | { |
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| 320 | printf("\ninput or output file is invalid, exit\n"); |
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| 321 | return -1; |
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| 322 | } |
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| 323 | if ((argc > 6) && (Frames < 1 || StartFrame < 0)) |
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| 324 | { |
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| 325 | printf("input frame parameter error\n"); |
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| 326 | return -1; |
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| 327 | } |
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[442] | 328 | |
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| 329 | switch( ratio ) |
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[340] | 330 | { |
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[442] | 331 | default: |
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[340] | 332 | printf("\ndown sampling parameter %d is not supported (0: 2x downsampling, 1: 1.5x downsampling)\n", ratio); |
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| 333 | return -1; |
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[442] | 334 | case 0: |
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[340] | 335 | M=4; |
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| 336 | N=8; |
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[442] | 337 | break; |
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| 338 | case 1: |
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[340] | 339 | M=8; |
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| 340 | N=12; |
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[442] | 341 | break; |
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[340] | 342 | } |
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| 343 | |
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| 344 | width_org_c = width_org >> 1; |
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| 345 | height_org_c = height_org >> 1; |
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| 346 | width_sampled = (width_org * M) / N; |
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| 347 | height_sampled = (height_org * M) / N; |
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| 348 | width_sampled_c = width_sampled >> 1; |
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| 349 | height_sampled_c = height_sampled >> 1; |
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| 350 | size_org = height_org * width_org; |
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| 351 | size_org_c = height_org_c * width_org_c; |
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| 352 | size_sampled = height_sampled * width_sampled; |
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| 353 | size_sampled_c = height_sampled_c * width_sampled_c; |
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| 354 | |
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| 355 | printf("\n=============================================================\n"); |
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| 356 | printf("\n Input = %s", argv[3]); |
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| 357 | printf("\n Output = %s", argv[4]); |
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| 358 | printf("\n Rescaling input from (%d,%d) to (%d,%d) resolution\n", width_org, height_org, width_sampled, height_sampled); |
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| 359 | printf("\n=============================================================\n\n"); |
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| 360 | |
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| 361 | // construct phase filters |
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| 362 | get_mem2DintWithPad (&phase_filter, M, Tap, 0, 0); |
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| 363 | |
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| 364 | for (j=0;j<M;j++) |
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| 365 | for (i=0;i<Tap;i++) |
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| 366 | phase_filter[j][i]= ratio==0 ? phase_filter_0[j][i] : phase_filter_1[j][i]; |
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| 367 | |
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| 368 | get_mem2DPelWithPad (&Y1, height_org, width_org, 0, Tap>>1); |
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| 369 | get_mem2DPelWithPad (&U1, height_org_c, width_org_c, 0, Tap>>1); |
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| 370 | get_mem2DPelWithPad (&V1, height_org_c, width_org_c, 0, Tap>>1); |
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| 371 | |
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| 372 | get_mem2DintWithPad (&tempY, height_org, width_sampled, Tap>>1, 0); |
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| 373 | get_mem2DintWithPad (&tempU, height_org_c, width_sampled_c, Tap>>1, 0); |
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| 374 | get_mem2DintWithPad (&tempV, height_org_c, width_sampled_c, Tap>>1, 0); |
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| 375 | |
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| 376 | get_mem2DPelWithPad (&Y2, height_sampled, width_sampled, 0,0); |
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| 377 | get_mem2DPelWithPad (&U2, height_sampled_c, width_sampled_c,0,0); |
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| 378 | get_mem2DPelWithPad (&V2, height_sampled_c, width_sampled_c,0,0); |
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| 379 | |
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| 380 | get_mem2DPelWithPad (&temp_luma, height_org, width_org, 0,0); |
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| 381 | get_mem2DPelWithPad (&temp_chroma, height_org_c, width_org_c,0,0); |
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| 382 | |
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| 383 | if(StartFrame!=0) |
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| 384 | { |
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| 385 | for (i = 0; i < StartFrame; i ++) |
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| 386 | { |
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| 387 | fread(temp_luma[0], sizeof(unsigned char), size_org, infile); |
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| 388 | fread(temp_chroma[0], sizeof(unsigned char), size_org_c, infile); |
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| 389 | fread(temp_chroma[0], sizeof(unsigned char), size_org_c, infile); |
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| 390 | if (feof(infile)) |
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| 391 | { |
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| 392 | printf("\nThe start frame number exceeds the file size\n"); |
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| 393 | return -1; |
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| 394 | } |
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| 395 | } |
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| 396 | //fseek64(infile, (size_org * StartFrame * 3) >> 1,SEEK_SET); |
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| 397 | } |
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| 398 | |
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| 399 | if (Frames) |
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| 400 | { |
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| 401 | totalFrames = Frames; |
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| 402 | } |
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| 403 | else |
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| 404 | { |
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| 405 | totalFrames = 0x7FFF; |
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| 406 | } |
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| 407 | |
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| 408 | i = 0; |
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| 409 | while(totalFrames) |
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| 410 | { |
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| 411 | |
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| 412 | // read and pad Y |
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| 413 | fread(temp_luma[0], sizeof(unsigned char), size_org, infile); |
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| 414 | PadImgHorizontal(temp_luma, Y1, height_org, width_org, Tap>>1); |
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| 415 | |
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| 416 | // read and pad U |
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| 417 | fread(temp_chroma[0], sizeof(unsigned char), size_org_c, infile); |
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| 418 | PadImgHorizontal(temp_chroma, U1, height_org_c, width_org_c, Tap>>1); |
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| 419 | |
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| 420 | // read and pad V |
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| 421 | fread(temp_chroma[0], sizeof(unsigned char), size_org_c, infile); |
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| 422 | PadImgHorizontal(temp_chroma, V1, height_org_c, width_org_c, Tap>>1); |
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| 423 | |
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| 424 | if (feof(infile)) |
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| 425 | { |
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| 426 | break; |
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| 427 | } |
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| 428 | |
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| 429 | fprintf(stdout,"Rescaling %dth frame\r", i); |
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| 430 | fflush(stdout); |
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| 431 | |
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| 432 | i ++; |
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| 433 | totalFrames --; |
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| 434 | |
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| 435 | FilterImg(Y1,tempY,Y2,height_org, width_org, M, N, phase_filter,Tap,log2_scaling_factor,0); |
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| 436 | FilterImg(U1,tempU,U2,height_org_c,width_org_c,M, N, phase_filter,Tap,log2_scaling_factor,1); |
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| 437 | FilterImg(V1,tempV,V2,height_org_c,width_org_c,M, N, phase_filter,Tap,log2_scaling_factor,2); |
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| 438 | |
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| 439 | // write a sampled frame |
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| 440 | fwrite(Y2[0], sizeof(unsigned char), size_sampled, outfile); |
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| 441 | fwrite(U2[0], sizeof(unsigned char), size_sampled_c, outfile); |
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| 442 | fwrite(V2[0], sizeof(unsigned char), size_sampled_c, outfile); |
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| 443 | |
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| 444 | } |
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| 445 | |
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| 446 | printf("\nEnd of rescaling process.\n"); |
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| 447 | |
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| 448 | free_mem2DintWithPad (phase_filter, 0, 0); |
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| 449 | |
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| 450 | free_mem2DPelWithPad (Y1, 0, Tap>>1); |
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| 451 | free_mem2DPelWithPad (U1, 0, Tap>>1); |
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| 452 | free_mem2DPelWithPad (V1, 0, Tap>>1); |
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| 453 | |
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| 454 | free_mem2DintWithPad (tempY, Tap>>1, 0); |
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| 455 | free_mem2DintWithPad (tempU, Tap>>1, 0); |
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| 456 | free_mem2DintWithPad (tempV, Tap>>1, 0); |
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| 457 | |
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| 458 | free_mem2DPelWithPad (Y2,0,0); |
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| 459 | free_mem2DPelWithPad (U2,0,0); |
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| 460 | free_mem2DPelWithPad (V2,0,0); |
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| 461 | |
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| 462 | free_mem2DPelWithPad (temp_luma, 0,0); |
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| 463 | free_mem2DPelWithPad (temp_chroma,0,0); |
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| 464 | |
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| 465 | fclose(infile); |
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| 466 | fclose(outfile); |
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| 467 | |
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| 468 | return 0; |
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| 469 | } |
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| 470 | |
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| 471 | //! \} |
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