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 | |
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38 | #include <cmath> |
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39 | #include <cstdio> |
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40 | #include <cstdlib> |
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41 | #include <cstring> |
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42 | #include <ctime> |
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43 | |
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44 | #include "DownConvert.h" |
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45 | |
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46 | typedef struct |
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47 | { |
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48 | int stride; |
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49 | int lines; |
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50 | unsigned char* data; |
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51 | unsigned char* data2; |
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52 | } ColorComponent; |
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53 | |
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54 | typedef struct |
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55 | { |
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56 | ColorComponent y; |
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57 | ColorComponent u; |
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58 | ColorComponent v; |
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59 | } YuvFrame; |
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60 | |
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61 | |
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62 | void |
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63 | createColorComponent( ColorComponent& c, int maxwidth, int maxheight ) |
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64 | { |
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65 | maxwidth = ( ( maxwidth + 15 ) >> 4 ) << 4; |
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66 | maxheight = ( ( maxheight + 15 ) >> 4 ) << 4; |
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67 | int size = maxwidth * maxheight; |
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68 | c.stride = maxwidth; |
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69 | c.lines = maxheight; |
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70 | c.data = new unsigned char [ size ]; |
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71 | c.data2 = new unsigned char [ size ]; |
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72 | |
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73 | if( ! c.data || ! c.data2 ) |
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74 | { |
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75 | fprintf(stderr, "\nERROR: memory allocation failed!\n\n"); |
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76 | exit(1); |
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77 | } |
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78 | } |
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79 | |
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80 | void |
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81 | deleteColorComponent( ColorComponent& c ) |
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82 | { |
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83 | delete[] c.data; |
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84 | delete[] c.data2; |
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85 | c.stride = 0; |
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86 | c.lines = 0; |
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87 | c.data = 0; |
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88 | c.data2 = 0; |
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89 | } |
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90 | |
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91 | int |
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92 | readColorComponent( ColorComponent& c, FILE* file, int width, int height, bool second ) |
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93 | { |
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94 | assert( width <= c.stride ); |
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95 | assert( height <= c.lines ); |
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96 | |
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97 | int iMaxPadWidth = gMin( c.stride, ( ( width + 15 ) >> 4 ) << 4 ); |
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98 | int iMaxPadHeight = gMin( c.lines, ( ( height + 31 ) >> 5 ) << 5 ); |
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99 | |
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100 | for( int i = 0; i < height; i++ ) |
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101 | { |
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102 | unsigned char* buffer = ( second ? c.data2 : c.data ) + i * c.stride; |
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103 | int rsize = (int)fread( buffer, sizeof(unsigned char), width, file ); |
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104 | if( rsize != width ) |
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105 | { |
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106 | return 1; |
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107 | } |
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108 | for( int xp = width; xp < iMaxPadWidth; xp++ ) |
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109 | { |
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110 | buffer[xp] = buffer[xp-1]; |
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111 | } |
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112 | } |
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113 | for( int yp = height; yp < iMaxPadHeight; yp++ ) |
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114 | { |
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115 | unsigned char* buffer = ( second ? c.data2 : c.data ) + yp * c.stride; |
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116 | unsigned char* bufferX = buffer - c.stride; |
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117 | for( int xp = 0; xp < c.stride; xp++ ) |
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118 | { |
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119 | buffer[xp] = bufferX[xp]; |
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120 | } |
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121 | } |
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122 | return 0; |
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123 | } |
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124 | |
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125 | void |
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126 | duplicateColorComponent( ColorComponent& c ) |
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127 | { |
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128 | memcpy( c.data2, c.data, c.stride * c.lines * sizeof(unsigned char) ); |
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129 | } |
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130 | |
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131 | void |
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132 | combineTopAndBottomInColorComponent( ColorComponent& c, Bool bBotField ) |
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133 | { |
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134 | int offs = ( bBotField ? c.stride : 0 ); |
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135 | unsigned char* pDes = c.data + offs; |
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136 | unsigned char* pSrc = c.data2 + offs; |
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137 | for( int i = 0; i < c.lines / 2; i++, pDes += 2*c.stride, pSrc += 2*c.stride ) |
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138 | { |
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139 | memcpy( pDes, pSrc, c.stride * sizeof(unsigned char) ); |
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140 | } |
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141 | } |
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142 | |
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143 | void |
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144 | writeColorComponent( ColorComponent& c, FILE* file, int width, int height, bool second ) |
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145 | { |
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146 | assert( width <= c.stride ); |
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147 | assert( height <= c.lines ); |
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148 | |
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149 | for( int i = 0; i < height; i++ ) |
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150 | { |
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151 | unsigned char* buffer = ( second ? c.data2 : c.data ) + i * c.stride; |
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152 | int wsize = (int)fwrite( buffer, sizeof(unsigned char), width, file ); |
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153 | |
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154 | if( wsize != width ) |
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155 | { |
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156 | fprintf(stderr, "\nERROR: while writing to output file!\n\n"); |
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157 | exit(1); |
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158 | } |
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159 | } |
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160 | } |
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161 | |
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162 | |
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163 | void |
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164 | createFrame( YuvFrame& f, int width, int height ) |
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165 | { |
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166 | createColorComponent( f.y, width, height ); |
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167 | createColorComponent( f.u, width >> 1, height >> 1 ); |
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168 | createColorComponent( f.v, width >> 1, height >> 1 ); |
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169 | } |
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170 | |
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171 | void |
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172 | deleteFrame( YuvFrame& f ) |
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173 | { |
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174 | deleteColorComponent( f.y ); |
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175 | deleteColorComponent( f.u ); |
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176 | deleteColorComponent( f.v ); |
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177 | } |
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178 | |
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179 | int |
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180 | readFrame( YuvFrame& f, FILE* file, int width, int height, bool second = false ) |
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181 | { |
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182 | ROTRS( readColorComponent( f.y, file, width, height, second ), 1 ); |
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183 | ROTRS( readColorComponent( f.u, file, width >> 1, height >> 1, second ), 1 ); |
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184 | ROTRS( readColorComponent( f.v, file, width >> 1, height >> 1, second ), 1 ); |
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185 | return 0; |
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186 | } |
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187 | |
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188 | void |
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189 | duplicateFrame( YuvFrame& f ) |
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190 | { |
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191 | duplicateColorComponent( f.y ); |
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192 | duplicateColorComponent( f.u ); |
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193 | duplicateColorComponent( f.v ); |
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194 | } |
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195 | |
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196 | void |
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197 | combineTopAndBottomInFrame( YuvFrame& f, Bool botField ) |
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198 | { |
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199 | combineTopAndBottomInColorComponent( f.y, botField ); |
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200 | combineTopAndBottomInColorComponent( f.u, botField ); |
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201 | combineTopAndBottomInColorComponent( f.v, botField ); |
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202 | } |
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203 | |
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204 | void |
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205 | writeFrame( YuvFrame& f, FILE* file, int width, int height, bool both = false ) |
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206 | { |
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207 | writeColorComponent( f.y, file, width, height, false ); |
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208 | writeColorComponent( f.u, file, width >> 1, height >> 1, false ); |
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209 | writeColorComponent( f.v, file, width >> 1, height >> 1, false ); |
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210 | |
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211 | if( both ) |
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212 | { |
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213 | writeColorComponent( f.y, file, width, height, true ); |
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214 | writeColorComponent( f.u, file, width >> 1, height >> 1, true ); |
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215 | writeColorComponent( f.v, file, width >> 1, height >> 1, true ); |
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216 | } |
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217 | } |
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218 | |
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219 | |
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220 | void |
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221 | print_usage_and_exit( int test, const char* name, const char* message = 0 ) |
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222 | { |
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223 | if( test ) |
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224 | { |
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225 | if( message ) |
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226 | { |
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227 | fprintf ( stderr, "\nERROR: %s\n", message ); |
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228 | } |
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229 | fprintf ( stderr, "\nUsage: %s <win> <hin> <in> <wout> <hout> <out> [<t> [<skip> [<frms>]]] [[-phase <args>] ]\n\n", name ); |
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230 | fprintf ( stderr, " win : input width (luma samples)\n" ); |
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231 | fprintf ( stderr, " hin : input height (luma samples)\n" ); |
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232 | fprintf ( stderr, " in : input file\n" ); |
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233 | fprintf ( stderr, " wout : output width (luma samples)\n" ); |
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234 | fprintf ( stderr, " hout : output height (luma samples)\n" ); |
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235 | fprintf ( stderr, " out : output file\n" ); |
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236 | fprintf ( stderr, "\n--------------------------- OPTIONAL ---------------------------\n\n" ); |
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237 | fprintf ( stderr, " t : number of temporal downsampling stages (default: 0)\n" ); |
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238 | fprintf ( stderr, " skip : number of frames to skip at start (default: 0)\n" ); |
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239 | fprintf ( stderr, " frms : number of frames wanted in output file (default: max)\n" ); |
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240 | fprintf ( stderr, "\n-------------------------- OVERLOADED --------------------------\n\n" ); |
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241 | fprintf ( stderr, " -phase <in_uv_ph_x> <in_uv_ph_y> <out_uv_ph_x> <out_uv_ph_y>\n"); |
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242 | fprintf ( stderr, " in_uv_ph_x : input chroma phase shift in horizontal direction (default:-1)\n" ); |
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243 | fprintf ( stderr, " in_uv_ph_y : input chroma phase shift in vertical direction (default: 0)\n" ); |
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244 | fprintf ( stderr, " out_uv_ph_x: output chroma phase shift in horizontal direction (default:-1)\n" ); |
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245 | fprintf ( stderr, " out_uv_ph_y: output chroma phase shift in vertical direction (default: 0)\n" ); |
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246 | fprintf ( stderr, "\n\n"); |
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247 | exit ( 1 ); |
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248 | } |
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249 | } |
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250 | |
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251 | |
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252 | void |
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253 | updateCropParametersFromFile( ResizeParameters& cRP, FILE* cropFile, int resamplingMethod, char* name ) |
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254 | { |
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255 | int crop_x0 = 0; |
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256 | int crop_y0 = 0; |
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257 | int crop_w = 0; |
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258 | int crop_h = 0; |
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259 | if( fscanf( cropFile, "%d,%d,%d,%d\n", &crop_x0, &crop_y0, &crop_w, &crop_h ) == 4 ) |
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260 | { |
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261 | cRP.m_iLeftFrmOffset = crop_x0; |
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262 | cRP.m_iTopFrmOffset = crop_y0; |
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263 | cRP.m_iScaledRefFrmWidth = crop_w; |
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264 | cRP.m_iScaledRefFrmHeight = crop_h; |
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265 | } |
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266 | print_usage_and_exit( cRP.m_iLeftFrmOffset & 1 || cRP.m_iTopFrmOffset & 1, name, "cropping parameters must be even values" ); |
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267 | print_usage_and_exit( cRP.m_iScaledRefFrmWidth & 1 || cRP.m_iScaledRefFrmHeight & 1, name, "cropping parameters must be even values" ); |
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268 | print_usage_and_exit( resamplingMethod == 2 && cRP.m_iScaledRefFrmWidth != gMin( cRP.m_iRefLayerFrmWidth, cRP.m_iFrameWidth ), name, "crop dimensions must be the same as the minimal dimensions" ); |
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269 | print_usage_and_exit( resamplingMethod == 2 && cRP.m_iScaledRefFrmHeight != gMin( cRP.m_iRefLayerFrmHeight, cRP.m_iFrameHeight ), name, "crop dimensions must be the same as the minimal dimensions" ); |
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270 | print_usage_and_exit( cRP.m_iScaledRefFrmWidth > gMax( cRP.m_iRefLayerFrmWidth, cRP.m_iFrameWidth ), name, "wrong crop window size" ); |
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271 | print_usage_and_exit( cRP.m_iScaledRefFrmHeight > gMax( cRP.m_iRefLayerFrmHeight, cRP.m_iFrameHeight ), name, "wrong crop window size" ); |
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272 | print_usage_and_exit( cRP.m_iScaledRefFrmWidth < gMin( cRP.m_iRefLayerFrmWidth, cRP.m_iFrameWidth ), name, "wrong crop window size" ); |
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273 | print_usage_and_exit( cRP.m_iScaledRefFrmHeight < gMin( cRP.m_iRefLayerFrmHeight, cRP.m_iFrameHeight ), name, "wrong crop window size" ); |
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274 | print_usage_and_exit( cRP.m_iLeftFrmOffset + cRP.m_iScaledRefFrmWidth > gMax( cRP.m_iRefLayerFrmWidth, cRP.m_iFrameWidth ), name, "wrong crop window size and origin" ); |
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275 | print_usage_and_exit( cRP.m_iTopFrmOffset + cRP.m_iScaledRefFrmHeight > gMax( cRP.m_iRefLayerFrmHeight, cRP.m_iFrameHeight ), name, "wrong crop window size and origin" ); |
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276 | } |
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277 | |
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278 | |
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279 | void |
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280 | resampleFrame( YuvFrame& rcFrame, |
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281 | DownConvert& rcDownConvert, |
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282 | ResizeParameters& rcRP, |
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283 | int resamplingMethod, |
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284 | int resamplingMode, |
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285 | bool resampling, |
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286 | bool upsampling, |
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287 | bool bSecondInputFrame ) |
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288 | { |
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289 | assert( upsampling == 0 ); |
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290 | |
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291 | //===== downsampling ===== |
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292 | ResizeParameters cRP = rcRP; |
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293 | { |
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294 | Int iRefVerMbShift = ( cRP.m_bRefLayerFrameMbsOnlyFlag ? 4 : 5 ); |
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295 | Int iScaledVerShift = ( cRP.m_bFrameMbsOnlyFlag ? 1 : 2 ); |
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296 | Int iHorDiv = ( cRP.m_iFrameWidth << 1 ); |
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297 | Int iVerDiv = ( cRP.m_iFrameHeight << iScaledVerShift ); |
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298 | Int iRefFrmW = ( ( cRP.m_iFrameWidth + ( 1 << 4 ) - 1 ) >> 4 ) << 4; // round to next multiple of 16 |
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299 | Int iRefFrmH = ( ( cRP.m_iFrameHeight + ( 1 << iRefVerMbShift ) - 1 ) >> iRefVerMbShift ) << iRefVerMbShift; // round to next multiple of 16 or 32 (for interlaced) |
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300 | Int iScaledRefFrmW = ( ( cRP.m_iScaledRefFrmWidth * iRefFrmW + ( iHorDiv >> 1 ) ) / iHorDiv ) << 1; // scale and round to next multiple of 2 |
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301 | Int iScaledRefFrmH = ( ( cRP.m_iScaledRefFrmHeight * iRefFrmH + ( iVerDiv >> 1 ) ) / iVerDiv ) << iScaledVerShift; // scale and round to next multiple of 2 or 4 (for interlaced) |
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302 | cRP.m_iFrameWidth = iRefFrmW; |
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303 | cRP.m_iFrameHeight = iRefFrmH; |
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304 | cRP.m_iScaledRefFrmWidth = iScaledRefFrmW; |
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305 | cRP.m_iScaledRefFrmHeight = iScaledRefFrmH; |
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306 | } |
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307 | assert( resamplingMethod == 0 ); |
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308 | if( resamplingMode < 4 ) |
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309 | { |
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310 | rcDownConvert.downsamplingSVC ( rcFrame.y.data, rcFrame.y.stride, rcFrame.u.data, rcFrame.u.stride, rcFrame.v.data, rcFrame.v.stride, &cRP, resamplingMode == 3 ); |
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311 | return; |
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312 | } |
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313 | } |
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314 | |
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315 | |
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316 | |
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317 | int |
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318 | main( int argc, char *argv[] ) |
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319 | { |
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320 | //===== set standard resize parameters ===== |
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321 | ResizeParameters cRP; |
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322 | cRP.m_bRefLayerFrameMbsOnlyFlag = true; |
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323 | cRP.m_bFrameMbsOnlyFlag = true; |
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324 | cRP.m_bRefLayerFieldPicFlag = false; |
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325 | cRP.m_bFieldPicFlag = false; |
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326 | cRP.m_bRefLayerBotFieldFlag = false; |
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327 | cRP.m_bBotFieldFlag = false; |
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328 | cRP.m_bRefLayerIsMbAffFrame = false; |
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329 | cRP.m_bIsMbAffFrame = false; |
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330 | #if ZERO_PHASE |
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331 | cRP.m_iRefLayerChromaPhaseX = 0; |
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332 | cRP.m_iRefLayerChromaPhaseY = 1; |
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333 | cRP.m_iChromaPhaseX = 0; |
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334 | cRP.m_iChromaPhaseY = 1; |
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335 | #else |
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336 | cRP.m_iRefLayerChromaPhaseX = -1; |
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337 | cRP.m_iRefLayerChromaPhaseY = 0; |
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338 | cRP.m_iChromaPhaseX = -1; |
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339 | cRP.m_iChromaPhaseY = 0; |
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340 | #endif |
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341 | cRP.m_iRefLayerFrmWidth = 0; |
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342 | cRP.m_iRefLayerFrmHeight = 0; |
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343 | cRP.m_iScaledRefFrmWidth = 0; |
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344 | cRP.m_iScaledRefFrmHeight = 0; |
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345 | cRP.m_iFrameWidth = 0; |
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346 | cRP.m_iFrameHeight = 0; |
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347 | cRP.m_iLeftFrmOffset = 0; |
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348 | cRP.m_iTopFrmOffset = 0; |
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349 | //cRP.m_iExtendedSpatialScalability = 0; |
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350 | cRP.m_iLevelIdc = 0; |
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351 | |
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352 | //===== init parameters ===== |
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353 | FILE* inputFile = 0; |
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354 | FILE* outputFile = 0; |
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355 | FILE* croppingParametersFile = 0; |
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356 | int resamplingMethod = 0; |
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357 | int resamplingMode = 0; |
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358 | bool croppingInitialized = false; |
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359 | bool phaseInitialized = false; |
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360 | bool methodInitialized = false; |
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361 | bool resampling = false; |
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362 | bool upsampling = false; |
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363 | int numSpatialDyadicStages = 0; |
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364 | int skipBetween = 0; |
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365 | int skipAtStart = 0; |
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366 | int maxNumOutputFrames = 0; |
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367 | |
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368 | |
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369 | //===== read input parameters ===== |
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370 | print_usage_and_exit( ( argc < 7 || argc > 24 ), argv[0], "wrong number of arguments" ); |
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371 | cRP.m_iRefLayerFrmWidth = atoi ( argv[1] ); |
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372 | cRP.m_iRefLayerFrmHeight = atoi ( argv[2] ); |
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373 | inputFile = fopen ( argv[3], "rb" ); |
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374 | cRP.m_iFrameWidth = atoi ( argv[4] ); |
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375 | cRP.m_iFrameHeight = atoi ( argv[5] ); |
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376 | outputFile = fopen ( argv[6], "wb" ); |
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377 | print_usage_and_exit( ! inputFile, argv[0], "failed to open input file" ); |
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378 | print_usage_and_exit( ! outputFile, argv[0], "failed to open input file" ); |
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379 | print_usage_and_exit( cRP.m_iRefLayerFrmWidth > cRP.m_iFrameWidth && cRP.m_iRefLayerFrmHeight < cRP.m_iFrameHeight, argv[0], "mixed upsampling and downsampling not supported" ); |
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380 | print_usage_and_exit( cRP.m_iRefLayerFrmWidth < cRP.m_iFrameWidth && cRP.m_iRefLayerFrmHeight > cRP.m_iFrameHeight, argv[0], "mixed upsampling and downsampling not supported" ); |
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381 | for( int i = 7; i < argc; ) |
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382 | { |
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383 | if( ! strcmp( argv[i], "-phase" ) ) |
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384 | { |
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385 | print_usage_and_exit( resamplingMethod != 0, argv[0], "phases only supported in normative resampling" ); |
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386 | print_usage_and_exit( phaseInitialized || argc < i+5, argv[0], "wrong number of phase parameters" ); |
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387 | phaseInitialized = true; |
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388 | i++; |
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389 | cRP.m_iRefLayerChromaPhaseX = atoi( argv[i++] ); |
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390 | cRP.m_iRefLayerChromaPhaseY = atoi( argv[i++] ); |
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391 | cRP.m_iChromaPhaseX = atoi( argv[i++] ); |
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392 | cRP.m_iChromaPhaseY = atoi( argv[i++] ); |
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393 | print_usage_and_exit( cRP.m_iRefLayerChromaPhaseX > 0 || cRP.m_iRefLayerChromaPhaseX < -1, argv[0], "wrong phase x parameters (range : [-1, 0])"); |
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394 | print_usage_and_exit( cRP.m_iRefLayerChromaPhaseY > 1 || cRP.m_iRefLayerChromaPhaseY < -1, argv[0], "wrong phase x parameters (range : [-1, 1])"); |
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395 | print_usage_and_exit( cRP.m_iChromaPhaseX > 0 || cRP.m_iChromaPhaseX < -1, argv[0], "wrong phase x parameters (range : [-1, 0])"); |
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396 | print_usage_and_exit( cRP.m_iChromaPhaseY > 1 || cRP.m_iChromaPhaseY < -1, argv[0], "wrong phase x parameters (range : [-1, 1])"); |
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397 | } |
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398 | else if (i == 7) |
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399 | { |
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400 | methodInitialized = true; |
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401 | resamplingMethod = atoi( argv[i++] ); |
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402 | print_usage_and_exit( resamplingMethod < 0 || resamplingMethod > 4, argv[0], "unsupported method" ); |
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403 | if( resamplingMethod > 2 ) |
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404 | { |
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405 | print_usage_and_exit( cRP.m_iRefLayerFrmWidth > cRP.m_iFrameWidth, argv[0], "method 3 and 4 are not supported for downsampling" ); |
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406 | print_usage_and_exit( cRP.m_iRefLayerFrmHeight > cRP.m_iFrameHeight, argv[0], "method 3 and 4 are not supported for downsampling" ); |
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407 | } |
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408 | if( resamplingMethod != 2 ) |
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409 | { |
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410 | resampling = true; |
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411 | upsampling = ( cRP.m_iRefLayerFrmWidth < cRP.m_iFrameWidth ) || ( cRP.m_iRefLayerFrmHeight < cRP.m_iFrameHeight ); |
---|
412 | } |
---|
413 | if( resamplingMethod == 1 ) |
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414 | { |
---|
415 | if( upsampling ) |
---|
416 | { |
---|
417 | int div = cRP.m_iFrameWidth / cRP.m_iRefLayerFrmWidth; |
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418 | if ( div == 1) numSpatialDyadicStages = 0; |
---|
419 | else if( div == 2) numSpatialDyadicStages = 1; |
---|
420 | else if( div == 4) numSpatialDyadicStages = 2; |
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421 | else if( div == 8) numSpatialDyadicStages = 3; |
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422 | else numSpatialDyadicStages = -1; |
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423 | print_usage_and_exit( numSpatialDyadicStages < 0, argv[0], "ratio not supported for dyadic upsampling method" ); |
---|
424 | print_usage_and_exit( div * cRP.m_iRefLayerFrmWidth != cRP.m_iFrameWidth, argv[0], "ratio is not dyadic in dyadic mode" ); |
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425 | print_usage_and_exit( div * cRP.m_iRefLayerFrmHeight != cRP.m_iFrameHeight, argv[0], "different horizontal and vertical ratio in dyadic mode" ); |
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426 | } |
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427 | else |
---|
428 | { |
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429 | int div = cRP.m_iRefLayerFrmWidth / cRP.m_iFrameWidth; |
---|
430 | if ( div == 1) numSpatialDyadicStages = 0; |
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431 | else if( div == 2) numSpatialDyadicStages = 1; |
---|
432 | else if( div == 4) numSpatialDyadicStages = 2; |
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433 | else if( div == 8) numSpatialDyadicStages = 3; |
---|
434 | else numSpatialDyadicStages = -1; |
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435 | print_usage_and_exit( numSpatialDyadicStages < 0, argv[0], "ratio not supported for dyadic downsampling method" ); |
---|
436 | print_usage_and_exit( div * cRP.m_iFrameWidth != cRP.m_iRefLayerFrmWidth, argv[0], "ratio is not dyadic in dyadic mode" ); |
---|
437 | print_usage_and_exit( div * cRP.m_iFrameHeight != cRP.m_iRefLayerFrmHeight, argv[0], "different horizontal and vertical ratio in dyadic mode" ); |
---|
438 | } |
---|
439 | } |
---|
440 | } |
---|
441 | else if( i == 8 ) |
---|
442 | { |
---|
443 | int TStages = atoi( argv[i++] ); |
---|
444 | skipBetween = ( 1 << TStages ) - 1; |
---|
445 | print_usage_and_exit( TStages < 0, argv[0], "negative number of temporal stages" ); |
---|
446 | } |
---|
447 | else if( i == 9 ) |
---|
448 | { |
---|
449 | skipAtStart = atoi( argv[i++] ); |
---|
450 | print_usage_and_exit( skipAtStart < 0, argv[0], "negative number of skipped frames at start" ); |
---|
451 | } |
---|
452 | else if( i == 10 ) |
---|
453 | { |
---|
454 | maxNumOutputFrames = atoi( argv[i++] ); |
---|
455 | print_usage_and_exit( maxNumOutputFrames < 0 , argv[0], "negative number of output frames" ); |
---|
456 | } |
---|
457 | else |
---|
458 | { |
---|
459 | print_usage_and_exit( true, argv[0], "error in command line parameters" ); |
---|
460 | } |
---|
461 | } |
---|
462 | if( ! methodInitialized ) |
---|
463 | { |
---|
464 | resampling = true; |
---|
465 | upsampling = ( cRP.m_iRefLayerFrmWidth < cRP.m_iFrameWidth ) || ( cRP.m_iRefLayerFrmHeight < cRP.m_iFrameHeight ); |
---|
466 | } |
---|
467 | if( ! croppingInitialized ) |
---|
468 | { |
---|
469 | if( resamplingMethod == 2 ) |
---|
470 | { |
---|
471 | cRP.m_iScaledRefFrmWidth = gMin( cRP.m_iRefLayerFrmWidth, cRP.m_iFrameWidth ); |
---|
472 | cRP.m_iScaledRefFrmHeight = gMin( cRP.m_iRefLayerFrmHeight, cRP.m_iFrameHeight ); |
---|
473 | } |
---|
474 | else |
---|
475 | { |
---|
476 | cRP.m_iScaledRefFrmWidth = gMax( cRP.m_iRefLayerFrmWidth, cRP.m_iFrameWidth ); |
---|
477 | cRP.m_iScaledRefFrmHeight = gMax( cRP.m_iRefLayerFrmHeight, cRP.m_iFrameHeight ); |
---|
478 | } |
---|
479 | } |
---|
480 | |
---|
481 | //===== set basic parameters for resampling control ===== |
---|
482 | if( resamplingMethod == 0 ) |
---|
483 | { |
---|
484 | if( resamplingMode == 1 ) |
---|
485 | { |
---|
486 | cRP.m_bRefLayerFrameMbsOnlyFlag = false; |
---|
487 | cRP.m_bFrameMbsOnlyFlag = false; |
---|
488 | } |
---|
489 | else if( resamplingMode == 2 || resamplingMode == 3 ) |
---|
490 | { |
---|
491 | cRP.m_bFrameMbsOnlyFlag = false; |
---|
492 | if( ! upsampling ) |
---|
493 | { |
---|
494 | cRP.m_bFieldPicFlag = true; |
---|
495 | cRP.m_bBotFieldFlag = ( resamplingMode == 3 ); |
---|
496 | } |
---|
497 | } |
---|
498 | else if( resamplingMode == 4 || resamplingMode == 5 ) |
---|
499 | { |
---|
500 | cRP.m_bRefLayerFrameMbsOnlyFlag = false; |
---|
501 | cRP.m_bRefLayerFieldPicFlag = true; |
---|
502 | } |
---|
503 | } |
---|
504 | |
---|
505 | //===== initialize classes ===== |
---|
506 | YuvFrame cFrame; |
---|
507 | DownConvert cDownConvert; |
---|
508 | { |
---|
509 | int maxWidth = gMax( cRP.m_iRefLayerFrmWidth, cRP.m_iFrameWidth ); |
---|
510 | int maxHeight = gMax( cRP.m_iRefLayerFrmHeight, cRP.m_iFrameHeight ); |
---|
511 | int minWidth = gMin( cRP.m_iRefLayerFrmWidth, cRP.m_iFrameWidth ); |
---|
512 | int minHeight = gMin( cRP.m_iRefLayerFrmHeight, cRP.m_iFrameHeight ); |
---|
513 | int minWRnd16 = ( ( minWidth + 15 ) >> 4 ) << 4; |
---|
514 | int minHRnd32 = ( ( minHeight + 31 ) >> 5 ) << 5; |
---|
515 | maxWidth = ( ( maxWidth * minWRnd16 + ( minWidth << 4 ) - 1 ) / ( minWidth << 4 ) ) << 4; |
---|
516 | maxHeight = ( ( maxHeight * minHRnd32 + ( minHeight << 4 ) - 1 ) / ( minHeight << 4 ) ) << 4; |
---|
517 | createFrame( cFrame, maxWidth, maxHeight ); |
---|
518 | cDownConvert.init( maxWidth, maxHeight ); |
---|
519 | } |
---|
520 | |
---|
521 | printf("Resampler\n\n"); |
---|
522 | |
---|
523 | //===== loop over frames ===== |
---|
524 | int skip = skipAtStart; |
---|
525 | int writtenFrames = 0; |
---|
526 | int numInputFrames = ( resamplingMode >= 4 && ! upsampling ? 2 : 1 ); |
---|
527 | int numOutputFrames = ( resamplingMode >= 4 && upsampling ? 2 : 1 ); |
---|
528 | bool bFinished = false; |
---|
529 | long startTime = clock(); |
---|
530 | while( ! bFinished ) |
---|
531 | { |
---|
532 | for( int inputFrame = 0; inputFrame < numInputFrames && ! bFinished; inputFrame++ ) |
---|
533 | { |
---|
534 | //===== read input frame ===== |
---|
535 | for( int numToRead = skip + 1; numToRead > 0 && ! bFinished; numToRead-- ) |
---|
536 | { |
---|
537 | bFinished = ( readFrame( cFrame, inputFile, cRP.m_iRefLayerFrmWidth, cRP.m_iRefLayerFrmHeight, inputFrame != 0 ) != 0 ); |
---|
538 | } |
---|
539 | skip = skipBetween; |
---|
540 | if( cRP.m_iExtendedSpatialScalability == 2 && ! bFinished ) |
---|
541 | { |
---|
542 | updateCropParametersFromFile( cRP, croppingParametersFile, resamplingMethod, argv[0] ); |
---|
543 | } |
---|
544 | |
---|
545 | //===== set resampling parameter ===== |
---|
546 | if( resamplingMethod != 0 && |
---|
547 | cRP.m_iScaledRefFrmWidth == gMin( cRP.m_iRefLayerFrmWidth, cRP.m_iFrameWidth ) && |
---|
548 | cRP.m_iScaledRefFrmHeight == gMin( cRP.m_iRefLayerFrmHeight, cRP.m_iFrameHeight ) ) |
---|
549 | { |
---|
550 | resampling = false; |
---|
551 | } |
---|
552 | else |
---|
553 | { |
---|
554 | resampling = true; |
---|
555 | } |
---|
556 | |
---|
557 | //===== resample input frame ===== |
---|
558 | if( ! bFinished ) |
---|
559 | { |
---|
560 | resampleFrame( cFrame, cDownConvert, cRP, resamplingMethod, resamplingMode, resampling, upsampling, inputFrame != 0 ); |
---|
561 | } |
---|
562 | } |
---|
563 | |
---|
564 | //===== write output frame ===== |
---|
565 | if( ! bFinished ) |
---|
566 | { |
---|
567 | Bool bWriteTwoFrames = ( numOutputFrames == 2 && ( maxNumOutputFrames == 0 || writtenFrames + 1 < maxNumOutputFrames ) ); |
---|
568 | writeFrame( cFrame, outputFile, cRP.m_iFrameWidth, cRP.m_iFrameHeight, bWriteTwoFrames ); |
---|
569 | writtenFrames += ( bWriteTwoFrames ? 2 : 1 ); |
---|
570 | bFinished = ( maxNumOutputFrames != 0 && writtenFrames == maxNumOutputFrames ); |
---|
571 | fprintf( stderr, "\r%6d frames converted", writtenFrames ); |
---|
572 | } |
---|
573 | } |
---|
574 | long endTime = clock(); |
---|
575 | |
---|
576 | deleteFrame( cFrame ); |
---|
577 | fclose ( inputFile ); |
---|
578 | fclose ( outputFile ); |
---|
579 | if( croppingParametersFile ) |
---|
580 | { |
---|
581 | fclose ( croppingParametersFile ); |
---|
582 | } |
---|
583 | |
---|
584 | fprintf( stderr, "\n" ); |
---|
585 | double deltaInSecond = (double)( endTime - startTime) / (double)CLOCKS_PER_SEC; |
---|
586 | fprintf( stderr, "in %.2lf seconds => %.0lf ms/frame\n", deltaInSecond, deltaInSecond / (double)writtenFrames * 1000.0 ); |
---|
587 | if( writtenFrames < maxNumOutputFrames ) |
---|
588 | { |
---|
589 | fprintf( stderr, "\nNOTE: less output frames generated than specified!!!\n\n" ); |
---|
590 | } |
---|
591 | return 0; |
---|
592 | } |
---|