[313] | 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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[1029] | 4 | * granted under this license. |
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[313] | 5 | * |
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[1259] | 6 | * Copyright (c) 2010-2015, ITU/ISO/IEC |
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[313] | 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 TVideoIOYuv.cpp |
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| 35 | \brief YUV file I/O class |
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| 36 | */ |
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| 37 | |
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| 38 | #include <cstdlib> |
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| 39 | #include <fcntl.h> |
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| 40 | #include <assert.h> |
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| 41 | #include <sys/stat.h> |
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| 42 | #include <fstream> |
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| 43 | #include <iostream> |
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[1029] | 44 | #include <memory.h> |
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[313] | 45 | |
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| 46 | #include "TLibCommon/TComRom.h" |
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| 47 | #include "TVideoIOYuv.h" |
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| 48 | |
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| 49 | using namespace std; |
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| 50 | |
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[1029] | 51 | // ==================================================================================================================== |
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| 52 | // Local Functions |
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| 53 | // ==================================================================================================================== |
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[313] | 54 | |
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| 55 | /** |
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| 56 | * Scale all pixels in img depending upon sign of shiftbits by a factor of |
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| 57 | * 2<sup>shiftbits</sup>. |
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| 58 | * |
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| 59 | * @param img pointer to image to be transformed |
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| 60 | * @param stride distance between vertically adjacent pixels of img. |
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| 61 | * @param width width of active area in img. |
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| 62 | * @param height height of active area in img. |
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| 63 | * @param shiftbits if zero, no operation performed |
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| 64 | * if > 0, multiply by 2<sup>shiftbits</sup>, see scalePlane() |
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| 65 | * if < 0, divide and round by 2<sup>shiftbits</sup> and clip, |
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| 66 | * see invScalePlane(). |
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| 67 | * @param minval minimum clipping value when dividing. |
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| 68 | * @param maxval maximum clipping value when dividing. |
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| 69 | */ |
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[1029] | 70 | static Void scalePlane(Pel* img, const UInt stride, const UInt width, const UInt height, Int shiftbits, Pel minval, Pel maxval) |
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[313] | 71 | { |
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| 72 | if (shiftbits > 0) |
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| 73 | { |
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[1029] | 74 | for (UInt y = 0; y < height; y++, img+=stride) |
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[1246] | 75 | { |
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[1029] | 76 | for (UInt x = 0; x < width; x++) |
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[1246] | 77 | { |
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[1029] | 78 | img[x] <<= shiftbits; |
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[1246] | 79 | } |
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| 80 | } |
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[313] | 81 | } |
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[1029] | 82 | else if (shiftbits < 0) |
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[313] | 83 | { |
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[1029] | 84 | shiftbits=-shiftbits; |
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| 85 | |
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| 86 | Pel rounding = 1 << (shiftbits-1); |
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| 87 | for (UInt y = 0; y < height; y++, img+=stride) |
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[1246] | 88 | { |
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[1029] | 89 | for (UInt x = 0; x < width; x++) |
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[1246] | 90 | { |
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[1029] | 91 | img[x] = Clip3(minval, maxval, Pel((img[x] + rounding) >> shiftbits)); |
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[1246] | 92 | } |
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| 93 | } |
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[313] | 94 | } |
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| 95 | } |
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| 96 | |
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| 97 | |
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| 98 | // ==================================================================================================================== |
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| 99 | // Public member functions |
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| 100 | // ==================================================================================================================== |
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| 101 | |
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| 102 | /** |
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| 103 | * Open file for reading/writing Y'CbCr frames. |
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| 104 | * |
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| 105 | * Frames read/written have bitdepth fileBitDepth, and are automatically |
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| 106 | * formatted as 8 or 16 bit word values (see TVideoIOYuv::write()). |
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| 107 | * |
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| 108 | * Image data read or written is converted to/from internalBitDepth |
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| 109 | * (See scalePlane(), TVideoIOYuv::read() and TVideoIOYuv::write() for |
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| 110 | * further details). |
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| 111 | * |
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| 112 | * \param pchFile file name string |
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| 113 | * \param bWriteMode file open mode: true=read, false=write |
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[1029] | 114 | * \param fileBitDepth bit-depth array of input/output file data. |
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[1260] | 115 | * \param MSBExtendedBitDepth |
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[1029] | 116 | * \param internalBitDepth bit-depth array to scale image data to/from when reading/writing. |
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[313] | 117 | */ |
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[1029] | 118 | Void TVideoIOYuv::open( Char* pchFile, Bool bWriteMode, const Int fileBitDepth[MAX_NUM_CHANNEL_TYPE], const Int MSBExtendedBitDepth[MAX_NUM_CHANNEL_TYPE], const Int internalBitDepth[MAX_NUM_CHANNEL_TYPE] ) |
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[313] | 119 | { |
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[1029] | 120 | //NOTE: files cannot have bit depth greater than 16 |
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| 121 | for(UInt ch=0; ch<MAX_NUM_CHANNEL_TYPE; ch++) |
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| 122 | { |
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| 123 | m_fileBitdepth [ch] = std::min<UInt>(fileBitDepth[ch], 16); |
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| 124 | m_MSBExtendedBitDepth[ch] = MSBExtendedBitDepth[ch]; |
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| 125 | m_bitdepthShift [ch] = internalBitDepth[ch] - m_MSBExtendedBitDepth[ch]; |
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[313] | 126 | |
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[1029] | 127 | if (m_fileBitdepth[ch] > 16) |
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| 128 | { |
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| 129 | if (bWriteMode) |
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| 130 | { |
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| 131 | std::cerr << "\nWARNING: Cannot write a yuv file of bit depth greater than 16 - output will be right-shifted down to 16-bit precision\n" << std::endl; |
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| 132 | } |
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| 133 | else |
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| 134 | { |
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| 135 | std::cerr << "\nERROR: Cannot read a yuv file of bit depth greater than 16\n" << std::endl; |
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| 136 | exit(0); |
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| 137 | } |
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| 138 | } |
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| 139 | } |
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| 140 | |
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[313] | 141 | if ( bWriteMode ) |
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| 142 | { |
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| 143 | m_cHandle.open( pchFile, ios::binary | ios::out ); |
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[1029] | 144 | |
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[313] | 145 | if( m_cHandle.fail() ) |
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| 146 | { |
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| 147 | printf("\nfailed to write reconstructed YUV file\n"); |
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| 148 | exit(0); |
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| 149 | } |
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| 150 | } |
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| 151 | else |
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| 152 | { |
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| 153 | m_cHandle.open( pchFile, ios::binary | ios::in ); |
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[1029] | 154 | |
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[313] | 155 | if( m_cHandle.fail() ) |
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| 156 | { |
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| 157 | printf("\nfailed to open Input YUV file\n"); |
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| 158 | exit(0); |
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| 159 | } |
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| 160 | } |
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[1029] | 161 | |
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[313] | 162 | return; |
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| 163 | } |
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| 164 | |
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| 165 | Void TVideoIOYuv::close() |
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| 166 | { |
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| 167 | m_cHandle.close(); |
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| 168 | } |
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| 169 | |
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| 170 | Bool TVideoIOYuv::isEof() |
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| 171 | { |
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| 172 | return m_cHandle.eof(); |
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| 173 | } |
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| 174 | |
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| 175 | Bool TVideoIOYuv::isFail() |
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| 176 | { |
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| 177 | return m_cHandle.fail(); |
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| 178 | } |
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| 179 | |
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| 180 | /** |
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| 181 | * Skip numFrames in input. |
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| 182 | * |
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| 183 | * This function correctly handles cases where the input file is not |
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| 184 | * seekable, by consuming bytes. |
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| 185 | */ |
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[1029] | 186 | Void TVideoIOYuv::skipFrames(UInt numFrames, UInt width, UInt height, ChromaFormat format) |
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[313] | 187 | { |
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| 188 | if (!numFrames) |
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[1246] | 189 | { |
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[313] | 190 | return; |
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[1246] | 191 | } |
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[313] | 192 | |
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[1029] | 193 | //------------------ |
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| 194 | //set the frame size according to the chroma format |
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| 195 | streamoff frameSize = 0; |
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| 196 | UInt wordsize=1; // default to 8-bit, unless a channel with more than 8-bits is detected. |
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| 197 | for (UInt component = 0; component < getNumberValidComponents(format); component++) |
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| 198 | { |
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| 199 | ComponentID compID=ComponentID(component); |
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| 200 | frameSize += (width >> getComponentScaleX(compID, format)) * (height >> getComponentScaleY(compID, format)); |
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[1246] | 201 | if (m_fileBitdepth[toChannelType(compID)] > 8) |
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| 202 | { |
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| 203 | wordsize=2; |
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| 204 | } |
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[1029] | 205 | } |
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| 206 | frameSize *= wordsize; |
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| 207 | //------------------ |
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[313] | 208 | |
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[1029] | 209 | const streamoff offset = frameSize * numFrames; |
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| 210 | |
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[313] | 211 | /* attempt to seek */ |
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| 212 | if (!!m_cHandle.seekg(offset, ios::cur)) |
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[1246] | 213 | { |
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[313] | 214 | return; /* success */ |
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[1246] | 215 | } |
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[313] | 216 | m_cHandle.clear(); |
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| 217 | |
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| 218 | /* fall back to consuming the input */ |
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| 219 | Char buf[512]; |
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[1246] | 220 | const UInt offset_mod_bufsize = offset % sizeof(buf); |
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[313] | 221 | for (streamoff i = 0; i < offset - offset_mod_bufsize; i += sizeof(buf)) |
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| 222 | { |
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| 223 | m_cHandle.read(buf, sizeof(buf)); |
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| 224 | } |
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| 225 | m_cHandle.read(buf, offset_mod_bufsize); |
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| 226 | } |
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| 227 | |
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| 228 | /** |
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| 229 | * Read width*height pixels from fd into dst, optionally |
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| 230 | * padding the left and right edges by edge-extension. Input may be |
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| 231 | * either 8bit or 16bit little-endian lsb-aligned words. |
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| 232 | * |
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[1258] | 233 | * @param dst destination image plane |
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| 234 | * @param fd input file stream |
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| 235 | * @param is16bit true if input file carries > 8bit data, false otherwise. |
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| 236 | * @param stride444 distance between vertically adjacent pixels of dst. |
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| 237 | * @param width444 width of active area in dst. |
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| 238 | * @param height444 height of active area in dst. |
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| 239 | * @param pad_x444 length of horizontal padding. |
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| 240 | * @param pad_y444 length of vertical padding. |
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| 241 | * @param compID chroma component |
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| 242 | * @param destFormat chroma format of image |
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| 243 | * @param fileFormat chroma format of file |
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| 244 | * @param fileBitDepth component bit depth in file |
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[313] | 245 | * @return true for success, false in case of error |
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| 246 | */ |
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[1029] | 247 | static Bool readPlane(Pel* dst, |
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| 248 | istream& fd, |
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| 249 | Bool is16bit, |
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| 250 | UInt stride444, |
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| 251 | UInt width444, |
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| 252 | UInt height444, |
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| 253 | UInt pad_x444, |
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| 254 | UInt pad_y444, |
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| 255 | const ComponentID compID, |
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| 256 | const ChromaFormat destFormat, |
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| 257 | const ChromaFormat fileFormat, |
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| 258 | const UInt fileBitDepth) |
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[313] | 259 | { |
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[1029] | 260 | const UInt csx_file =getComponentScaleX(compID, fileFormat); |
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| 261 | const UInt csy_file =getComponentScaleY(compID, fileFormat); |
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| 262 | const UInt csx_dest =getComponentScaleX(compID, destFormat); |
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| 263 | const UInt csy_dest =getComponentScaleY(compID, destFormat); |
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| 264 | |
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| 265 | const UInt width_dest = width444 >>csx_dest; |
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| 266 | const UInt height_dest = height444>>csy_dest; |
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| 267 | const UInt pad_x_dest = pad_x444>>csx_dest; |
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| 268 | const UInt pad_y_dest = pad_y444>>csy_dest; |
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| 269 | const UInt stride_dest = stride444>>csx_dest; |
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| 270 | |
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| 271 | const UInt full_width_dest = width_dest+pad_x_dest; |
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| 272 | const UInt full_height_dest = height_dest+pad_y_dest; |
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| 273 | |
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| 274 | const UInt stride_file = (width444 * (is16bit ? 2 : 1)) >> csx_file; |
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| 275 | |
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| 276 | UChar *buf = new UChar[stride_file]; |
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| 277 | |
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| 278 | if (compID!=COMPONENT_Y && (fileFormat==CHROMA_400 || destFormat==CHROMA_400)) |
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[313] | 279 | { |
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[1029] | 280 | if (destFormat!=CHROMA_400) |
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[313] | 281 | { |
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[1029] | 282 | // set chrominance data to mid-range: (1<<(fileBitDepth-1)) |
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| 283 | const Pel value=Pel(1<<(fileBitDepth-1)); |
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| 284 | for (UInt y = 0; y < full_height_dest; y++, dst+=stride_dest) |
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[1246] | 285 | { |
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[1029] | 286 | for (UInt x = 0; x < full_width_dest; x++) |
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[1246] | 287 | { |
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[1029] | 288 | dst[x] = value; |
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[1246] | 289 | } |
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| 290 | } |
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[313] | 291 | } |
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| 292 | |
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[1029] | 293 | if (fileFormat!=CHROMA_400) |
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[313] | 294 | { |
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[1029] | 295 | const UInt height_file = height444>>csy_file; |
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| 296 | fd.seekg(height_file*stride_file, ios::cur); |
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| 297 | if (fd.eof() || fd.fail() ) |
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[313] | 298 | { |
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[1029] | 299 | delete[] buf; |
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| 300 | return false; |
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[313] | 301 | } |
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| 302 | } |
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[1029] | 303 | } |
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| 304 | else |
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| 305 | { |
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| 306 | const UInt mask_y_file=(1<<csy_file)-1; |
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| 307 | const UInt mask_y_dest=(1<<csy_dest)-1; |
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| 308 | for(UInt y444=0; y444<height444; y444++) |
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[313] | 309 | { |
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[1029] | 310 | if ((y444&mask_y_file)==0) |
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[313] | 311 | { |
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[1029] | 312 | // read a new line |
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| 313 | fd.read(reinterpret_cast<Char*>(buf), stride_file); |
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| 314 | if (fd.eof() || fd.fail() ) |
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| 315 | { |
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| 316 | delete[] buf; |
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| 317 | return false; |
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| 318 | } |
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[313] | 319 | } |
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[1029] | 320 | |
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| 321 | if ((y444&mask_y_dest)==0) |
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| 322 | { |
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| 323 | // process current destination line |
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| 324 | if (csx_file < csx_dest) |
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| 325 | { |
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| 326 | // eg file is 444, dest is 422. |
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| 327 | const UInt sx=csx_dest-csx_file; |
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| 328 | if (!is16bit) |
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| 329 | { |
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| 330 | for (UInt x = 0; x < width_dest; x++) |
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[1246] | 331 | { |
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[1029] | 332 | dst[x] = buf[x<<sx]; |
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[1246] | 333 | } |
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[1029] | 334 | } |
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| 335 | else |
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| 336 | { |
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| 337 | for (UInt x = 0; x < width_dest; x++) |
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| 338 | { |
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| 339 | dst[x] = Pel(buf[(x<<sx)*2+0]) | (Pel(buf[(x<<sx)*2+1])<<8); |
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| 340 | } |
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| 341 | } |
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| 342 | } |
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| 343 | else |
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| 344 | { |
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| 345 | // eg file is 422, dest is 444. |
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| 346 | const UInt sx=csx_file-csx_dest; |
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| 347 | if (!is16bit) |
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| 348 | { |
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| 349 | for (UInt x = 0; x < width_dest; x++) |
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[1246] | 350 | { |
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[1029] | 351 | dst[x] = buf[x>>sx]; |
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[1246] | 352 | } |
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[1029] | 353 | } |
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| 354 | else |
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| 355 | { |
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| 356 | for (UInt x = 0; x < width_dest; x++) |
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[1246] | 357 | { |
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[1029] | 358 | dst[x] = Pel(buf[(x>>sx)*2+0]) | (Pel(buf[(x>>sx)*2+1])<<8); |
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[1246] | 359 | } |
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[1029] | 360 | } |
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| 361 | } |
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| 362 | |
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| 363 | // process right hand side padding |
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| 364 | const Pel val=dst[width_dest-1]; |
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| 365 | for (UInt x = width_dest; x < full_width_dest; x++) |
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[1246] | 366 | { |
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[1029] | 367 | dst[x] = val; |
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[1246] | 368 | } |
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[1029] | 369 | |
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| 370 | dst += stride_dest; |
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| 371 | } |
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[313] | 372 | } |
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| 373 | |
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[1029] | 374 | // process lower padding |
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| 375 | for (UInt y = height_dest; y < full_height_dest; y++, dst+=stride_dest) |
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[1246] | 376 | { |
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[1029] | 377 | for (UInt x = 0; x < full_width_dest; x++) |
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[1246] | 378 | { |
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[1029] | 379 | dst[x] = (dst - stride_dest)[x]; |
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[1246] | 380 | } |
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| 381 | } |
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[313] | 382 | } |
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| 383 | delete[] buf; |
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| 384 | return true; |
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| 385 | } |
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| 386 | |
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| 387 | /** |
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[1258] | 388 | * Write an image plane (width444*height444 pixels) from src into output stream fd. |
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[313] | 389 | * |
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[1258] | 390 | * @param fd output file stream |
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| 391 | * @param src source image |
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| 392 | * @param is16bit true if input file carries > 8bit data, false otherwise. |
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| 393 | * @param stride444 distance between vertically adjacent pixels of src. |
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| 394 | * @param width444 width of active area in src. |
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| 395 | * @param height444 height of active area in src. |
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| 396 | * @param compID chroma component |
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| 397 | * @param srcFormat chroma format of image |
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| 398 | * @param fileFormat chroma format of file |
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| 399 | * @param fileBitDepth component bit depth in file |
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[313] | 400 | * @return true for success, false in case of error |
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| 401 | */ |
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| 402 | static Bool writePlane(ostream& fd, Pel* src, Bool is16bit, |
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[1029] | 403 | UInt stride444, |
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| 404 | UInt width444, UInt height444, |
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| 405 | const ComponentID compID, |
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| 406 | const ChromaFormat srcFormat, |
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| 407 | const ChromaFormat fileFormat, |
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| 408 | const UInt fileBitDepth) |
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[313] | 409 | { |
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[1029] | 410 | const UInt csx_file =getComponentScaleX(compID, fileFormat); |
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| 411 | const UInt csy_file =getComponentScaleY(compID, fileFormat); |
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| 412 | const UInt csx_src =getComponentScaleX(compID, srcFormat); |
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| 413 | const UInt csy_src =getComponentScaleY(compID, srcFormat); |
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| 414 | |
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| 415 | const UInt stride_src = stride444>>csx_src; |
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| 416 | |
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| 417 | const UInt stride_file = (width444 * (is16bit ? 2 : 1)) >> csx_file; |
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| 418 | const UInt width_file = width444 >>csx_file; |
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| 419 | const UInt height_file = height444>>csy_file; |
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| 420 | |
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| 421 | UChar *buf = new UChar[stride_file]; |
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| 422 | |
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| 423 | if (compID!=COMPONENT_Y && (fileFormat==CHROMA_400 || srcFormat==CHROMA_400)) |
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[313] | 424 | { |
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[1029] | 425 | if (fileFormat!=CHROMA_400) |
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[313] | 426 | { |
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[1029] | 427 | const UInt value=1<<(fileBitDepth-1); |
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| 428 | |
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| 429 | for(UInt y=0; y< height_file; y++) |
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[313] | 430 | { |
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[1029] | 431 | if (!is16bit) |
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| 432 | { |
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| 433 | UChar val(value); |
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| 434 | for (UInt x = 0; x < width_file; x++) |
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[1246] | 435 | { |
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[1029] | 436 | buf[x]=val; |
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[1246] | 437 | } |
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[1029] | 438 | } |
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| 439 | else |
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| 440 | { |
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| 441 | UShort val(value); |
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| 442 | for (UInt x = 0; x < width_file; x++) |
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| 443 | { |
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| 444 | buf[2*x+0]= (val>>0) & 0xff; |
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| 445 | buf[2*x+1]= (val>>8) & 0xff; |
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| 446 | } |
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| 447 | } |
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| 448 | |
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| 449 | fd.write(reinterpret_cast<Char*>(buf), stride_file); |
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| 450 | if (fd.eof() || fd.fail() ) |
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| 451 | { |
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| 452 | delete[] buf; |
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| 453 | return false; |
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| 454 | } |
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[313] | 455 | } |
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| 456 | } |
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[1029] | 457 | } |
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| 458 | else |
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| 459 | { |
---|
| 460 | const UInt mask_y_file=(1<<csy_file)-1; |
---|
| 461 | const UInt mask_y_src =(1<<csy_src )-1; |
---|
| 462 | for(UInt y444=0; y444<height444; y444++) |
---|
[313] | 463 | { |
---|
[1029] | 464 | if ((y444&mask_y_file)==0) |
---|
[313] | 465 | { |
---|
[1029] | 466 | // write a new line |
---|
| 467 | if (csx_file < csx_src) |
---|
| 468 | { |
---|
| 469 | // eg file is 444, source is 422. |
---|
| 470 | const UInt sx=csx_src-csx_file; |
---|
| 471 | if (!is16bit) |
---|
| 472 | { |
---|
| 473 | for (UInt x = 0; x < width_file; x++) |
---|
| 474 | { |
---|
| 475 | buf[x] = (UChar)(src[x>>sx]); |
---|
| 476 | } |
---|
| 477 | } |
---|
| 478 | else |
---|
| 479 | { |
---|
| 480 | for (UInt x = 0; x < width_file; x++) |
---|
| 481 | { |
---|
| 482 | buf[2*x ] = (src[x>>sx]>>0) & 0xff; |
---|
| 483 | buf[2*x+1] = (src[x>>sx]>>8) & 0xff; |
---|
| 484 | } |
---|
| 485 | } |
---|
| 486 | } |
---|
| 487 | else |
---|
| 488 | { |
---|
| 489 | // eg file is 422, src is 444. |
---|
| 490 | const UInt sx=csx_file-csx_src; |
---|
| 491 | if (!is16bit) |
---|
| 492 | { |
---|
| 493 | for (UInt x = 0; x < width_file; x++) |
---|
| 494 | { |
---|
| 495 | buf[x] = (UChar)(src[x<<sx]); |
---|
| 496 | } |
---|
| 497 | } |
---|
| 498 | else |
---|
| 499 | { |
---|
| 500 | for (UInt x = 0; x < width_file; x++) |
---|
| 501 | { |
---|
| 502 | buf[2*x ] = (src[x<<sx]>>0) & 0xff; |
---|
| 503 | buf[2*x+1] = (src[x<<sx]>>8) & 0xff; |
---|
| 504 | } |
---|
| 505 | } |
---|
| 506 | } |
---|
| 507 | |
---|
| 508 | fd.write(reinterpret_cast<Char*>(buf), stride_file); |
---|
| 509 | if (fd.eof() || fd.fail() ) |
---|
| 510 | { |
---|
| 511 | delete[] buf; |
---|
| 512 | return false; |
---|
| 513 | } |
---|
[313] | 514 | } |
---|
| 515 | |
---|
[1029] | 516 | if ((y444&mask_y_src)==0) |
---|
| 517 | { |
---|
| 518 | src += stride_src; |
---|
| 519 | } |
---|
| 520 | |
---|
[313] | 521 | } |
---|
| 522 | } |
---|
| 523 | delete[] buf; |
---|
| 524 | return true; |
---|
| 525 | } |
---|
| 526 | |
---|
[442] | 527 | static Bool writeField(ostream& fd, Pel* top, Pel* bottom, Bool is16bit, |
---|
[1029] | 528 | UInt stride444, |
---|
| 529 | UInt width444, UInt height444, |
---|
| 530 | const ComponentID compID, |
---|
| 531 | const ChromaFormat srcFormat, |
---|
| 532 | const ChromaFormat fileFormat, |
---|
| 533 | const UInt fileBitDepth, const Bool isTff) |
---|
[442] | 534 | { |
---|
[1029] | 535 | const UInt csx_file =getComponentScaleX(compID, fileFormat); |
---|
| 536 | const UInt csy_file =getComponentScaleY(compID, fileFormat); |
---|
| 537 | const UInt csx_src =getComponentScaleX(compID, srcFormat); |
---|
| 538 | const UInt csy_src =getComponentScaleY(compID, srcFormat); |
---|
| 539 | |
---|
| 540 | const UInt stride_src = stride444>>csx_src; |
---|
| 541 | |
---|
| 542 | const UInt stride_file = (width444 * (is16bit ? 2 : 1)) >> csx_file; |
---|
| 543 | const UInt width_file = width444 >>csx_file; |
---|
| 544 | const UInt height_file = height444>>csy_file; |
---|
| 545 | |
---|
| 546 | UChar *buf = new UChar[stride_file * 2]; |
---|
| 547 | |
---|
| 548 | if (compID!=COMPONENT_Y && (fileFormat==CHROMA_400 || srcFormat==CHROMA_400)) |
---|
[442] | 549 | { |
---|
[1029] | 550 | if (fileFormat!=CHROMA_400) |
---|
[442] | 551 | { |
---|
[1029] | 552 | const UInt value=1<<(fileBitDepth-1); |
---|
| 553 | |
---|
| 554 | for(UInt y=0; y< height_file; y++) |
---|
[442] | 555 | { |
---|
[1029] | 556 | for (UInt field = 0; field < 2; field++) |
---|
| 557 | { |
---|
| 558 | UChar *fieldBuffer = buf + (field * stride_file); |
---|
| 559 | |
---|
| 560 | if (!is16bit) |
---|
| 561 | { |
---|
| 562 | UChar val(value); |
---|
| 563 | for (UInt x = 0; x < width_file; x++) |
---|
[1246] | 564 | { |
---|
[1029] | 565 | fieldBuffer[x]=val; |
---|
[1246] | 566 | } |
---|
[1029] | 567 | } |
---|
| 568 | else |
---|
| 569 | { |
---|
| 570 | UShort val(value); |
---|
| 571 | for (UInt x = 0; x < width_file; x++) |
---|
| 572 | { |
---|
| 573 | fieldBuffer[2*x+0]= (val>>0) & 0xff; |
---|
| 574 | fieldBuffer[2*x+1]= (val>>8) & 0xff; |
---|
| 575 | } |
---|
| 576 | } |
---|
| 577 | } |
---|
| 578 | |
---|
| 579 | fd.write(reinterpret_cast<Char*>(buf), (stride_file * 2)); |
---|
| 580 | if (fd.eof() || fd.fail() ) |
---|
| 581 | { |
---|
| 582 | delete[] buf; |
---|
| 583 | return false; |
---|
| 584 | } |
---|
[442] | 585 | } |
---|
| 586 | } |
---|
[1029] | 587 | } |
---|
| 588 | else |
---|
| 589 | { |
---|
| 590 | const UInt mask_y_file=(1<<csy_file)-1; |
---|
| 591 | const UInt mask_y_src =(1<<csy_src )-1; |
---|
| 592 | for(UInt y444=0; y444<height444; y444++) |
---|
[442] | 593 | { |
---|
[1029] | 594 | if ((y444&mask_y_file)==0) |
---|
[442] | 595 | { |
---|
[1029] | 596 | for (UInt field = 0; field < 2; field++) |
---|
| 597 | { |
---|
| 598 | UChar *fieldBuffer = buf + (field * stride_file); |
---|
| 599 | Pel *src = (((field == 0) && isTff) || ((field == 1) && (!isTff))) ? top : bottom; |
---|
| 600 | |
---|
| 601 | // write a new line |
---|
| 602 | if (csx_file < csx_src) |
---|
| 603 | { |
---|
| 604 | // eg file is 444, source is 422. |
---|
| 605 | const UInt sx=csx_src-csx_file; |
---|
| 606 | if (!is16bit) |
---|
| 607 | { |
---|
| 608 | for (UInt x = 0; x < width_file; x++) |
---|
| 609 | { |
---|
| 610 | fieldBuffer[x] = (UChar)(src[x>>sx]); |
---|
| 611 | } |
---|
| 612 | } |
---|
| 613 | else |
---|
| 614 | { |
---|
| 615 | for (UInt x = 0; x < width_file; x++) |
---|
| 616 | { |
---|
| 617 | fieldBuffer[2*x ] = (src[x>>sx]>>0) & 0xff; |
---|
| 618 | fieldBuffer[2*x+1] = (src[x>>sx]>>8) & 0xff; |
---|
| 619 | } |
---|
| 620 | } |
---|
| 621 | } |
---|
| 622 | else |
---|
| 623 | { |
---|
| 624 | // eg file is 422, src is 444. |
---|
| 625 | const UInt sx=csx_file-csx_src; |
---|
| 626 | if (!is16bit) |
---|
| 627 | { |
---|
| 628 | for (UInt x = 0; x < width_file; x++) |
---|
| 629 | { |
---|
| 630 | fieldBuffer[x] = (UChar)(src[x<<sx]); |
---|
| 631 | } |
---|
| 632 | } |
---|
| 633 | else |
---|
| 634 | { |
---|
| 635 | for (UInt x = 0; x < width_file; x++) |
---|
| 636 | { |
---|
| 637 | fieldBuffer[2*x ] = (src[x<<sx]>>0) & 0xff; |
---|
| 638 | fieldBuffer[2*x+1] = (src[x<<sx]>>8) & 0xff; |
---|
| 639 | } |
---|
| 640 | } |
---|
| 641 | } |
---|
| 642 | } |
---|
| 643 | |
---|
| 644 | fd.write(reinterpret_cast<Char*>(buf), (stride_file * 2)); |
---|
| 645 | if (fd.eof() || fd.fail() ) |
---|
| 646 | { |
---|
| 647 | delete[] buf; |
---|
| 648 | return false; |
---|
| 649 | } |
---|
[442] | 650 | } |
---|
[1029] | 651 | |
---|
| 652 | if ((y444&mask_y_src)==0) |
---|
| 653 | { |
---|
| 654 | top += stride_src; |
---|
| 655 | bottom += stride_src; |
---|
| 656 | } |
---|
| 657 | |
---|
[442] | 658 | } |
---|
| 659 | } |
---|
| 660 | delete[] buf; |
---|
| 661 | return true; |
---|
| 662 | } |
---|
[1029] | 663 | |
---|
[313] | 664 | /** |
---|
| 665 | * Read one Y'CbCr frame, performing any required input scaling to change |
---|
| 666 | * from the bitdepth of the input file to the internal bit-depth. |
---|
| 667 | * |
---|
| 668 | * If a bit-depth reduction is required, and internalBitdepth >= 8, then |
---|
| 669 | * the input file is assumed to be ITU-R BT.601/709 compliant, and the |
---|
| 670 | * resulting data is clipped to the appropriate legal range, as if the |
---|
| 671 | * file had been provided at the lower-bitdepth compliant to Rec601/709. |
---|
| 672 | * |
---|
[1260] | 673 | * @param pPicYuvUser input picture YUV buffer class pointer |
---|
| 674 | * @param pPicYuvTrueOrg |
---|
| 675 | * @param ipcsc |
---|
| 676 | * @param aiPad source padding size, aiPad[0] = horizontal, aiPad[1] = vertical |
---|
| 677 | * @param format chroma format |
---|
[313] | 678 | * @return true for success, false in case of error |
---|
| 679 | */ |
---|
[1029] | 680 | Bool TVideoIOYuv::read ( TComPicYuv* pPicYuvUser, TComPicYuv* pPicYuvTrueOrg, const InputColourSpaceConversion ipcsc, Int aiPad[2], ChromaFormat format ) |
---|
[313] | 681 | { |
---|
| 682 | // check end-of-file |
---|
[1246] | 683 | if ( isEof() ) |
---|
| 684 | { |
---|
| 685 | return false; |
---|
| 686 | } |
---|
[1029] | 687 | TComPicYuv *pPicYuv=pPicYuvTrueOrg; |
---|
[1246] | 688 | if (format>=NUM_CHROMA_FORMAT) |
---|
| 689 | { |
---|
| 690 | format=pPicYuv->getChromaFormat(); |
---|
| 691 | } |
---|
[313] | 692 | |
---|
[1029] | 693 | Bool is16bit = false; |
---|
| 694 | |
---|
| 695 | for(UInt ch=0; ch<MAX_NUM_CHANNEL_TYPE; ch++) |
---|
[313] | 696 | { |
---|
[1246] | 697 | if (m_fileBitdepth[ch] > 8) |
---|
| 698 | { |
---|
| 699 | is16bit=true; |
---|
| 700 | } |
---|
[313] | 701 | } |
---|
[1029] | 702 | |
---|
| 703 | const UInt stride444 = pPicYuv->getStride(COMPONENT_Y); |
---|
| 704 | |
---|
| 705 | // compute actual YUV width & height excluding padding size |
---|
| 706 | const UInt pad_h444 = aiPad[0]; |
---|
| 707 | const UInt pad_v444 = aiPad[1]; |
---|
| 708 | |
---|
| 709 | const UInt width_full444 = pPicYuv->getWidth(COMPONENT_Y); |
---|
| 710 | const UInt height_full444 = pPicYuv->getHeight(COMPONENT_Y); |
---|
| 711 | |
---|
| 712 | const UInt width444 = width_full444 - pad_h444; |
---|
| 713 | const UInt height444 = height_full444 - pad_v444; |
---|
| 714 | |
---|
| 715 | for(UInt comp=0; comp<MAX_NUM_COMPONENT; comp++) |
---|
[313] | 716 | { |
---|
[1029] | 717 | const ComponentID compID = ComponentID(comp); |
---|
| 718 | const ChannelType chType=toChannelType(compID); |
---|
| 719 | |
---|
| 720 | const Int desired_bitdepth = m_MSBExtendedBitDepth[chType] + m_bitdepthShift[chType]; |
---|
| 721 | |
---|
| 722 | #if !CLIP_TO_709_RANGE |
---|
| 723 | const Pel minval = 0; |
---|
| 724 | const Pel maxval = (1 << desired_bitdepth) - 1; |
---|
| 725 | #else |
---|
| 726 | const Bool b709Compliance=(m_bitdepthShift[chType] < 0 && desired_bitdepth >= 8); /* ITU-R BT.709 compliant clipping for converting say 10b to 8b */ |
---|
| 727 | const Pel minval = b709Compliance? (( 1 << (desired_bitdepth - 8)) ) : 0; |
---|
| 728 | const Pel maxval = b709Compliance? ((0xff << (desired_bitdepth - 8)) -1) : (1 << desired_bitdepth) - 1; |
---|
[313] | 729 | #endif |
---|
| 730 | |
---|
[1029] | 731 | if (! readPlane(pPicYuv->getAddr(compID), m_cHandle, is16bit, stride444, width444, height444, pad_h444, pad_v444, compID, pPicYuv->getChromaFormat(), format, m_fileBitdepth[chType])) |
---|
| 732 | { |
---|
| 733 | return false; |
---|
| 734 | } |
---|
[313] | 735 | |
---|
[1029] | 736 | if (compID < pPicYuv->getNumberValidComponents() ) |
---|
| 737 | { |
---|
| 738 | const UInt csx=getComponentScaleX(compID, pPicYuv->getChromaFormat()); |
---|
| 739 | const UInt csy=getComponentScaleY(compID, pPicYuv->getChromaFormat()); |
---|
| 740 | scalePlane(pPicYuv->getAddr(compID), stride444>>csx, width_full444>>csx, height_full444>>csy, m_bitdepthShift[chType], minval, maxval); |
---|
| 741 | } |
---|
| 742 | } |
---|
[313] | 743 | |
---|
[1029] | 744 | Int internalBitDepth[MAX_NUM_CHANNEL_TYPE]; |
---|
| 745 | for(UInt chType=0; chType<MAX_NUM_CHANNEL_TYPE; chType++) |
---|
| 746 | { |
---|
| 747 | internalBitDepth[chType] = m_bitdepthShift[chType] + m_MSBExtendedBitDepth[chType]; |
---|
| 748 | } |
---|
| 749 | ColourSpaceConvert(*pPicYuvTrueOrg, *pPicYuvUser, ipcsc, internalBitDepth, true); |
---|
[313] | 750 | |
---|
| 751 | return true; |
---|
| 752 | } |
---|
| 753 | |
---|
| 754 | /** |
---|
| 755 | * Write one Y'CbCr frame. No bit-depth conversion is performed, pcPicYuv is |
---|
| 756 | * assumed to be at TVideoIO::m_fileBitdepth depth. |
---|
| 757 | * |
---|
[1260] | 758 | * @param pPicYuvUser input picture YUV buffer class pointer |
---|
| 759 | * @param ipCSC |
---|
| 760 | * @param confLeft conformance window left border |
---|
| 761 | * @param confRight conformance window right border |
---|
| 762 | * @param confTop conformance window top border |
---|
| 763 | * @param confBottom conformance window bottom border |
---|
| 764 | * @param format chroma format |
---|
[313] | 765 | * @return true for success, false in case of error |
---|
| 766 | */ |
---|
[1029] | 767 | Bool TVideoIOYuv::write( TComPicYuv* pPicYuvUser, const InputColourSpaceConversion ipCSC, Int confLeft, Int confRight, Int confTop, Int confBottom, ChromaFormat format ) |
---|
[313] | 768 | { |
---|
[1029] | 769 | TComPicYuv cPicYuvCSCd; |
---|
| 770 | if (ipCSC!=IPCOLOURSPACE_UNCHANGED) |
---|
| 771 | { |
---|
| 772 | cPicYuvCSCd.create(pPicYuvUser->getWidth(COMPONENT_Y), pPicYuvUser->getHeight(COMPONENT_Y), pPicYuvUser->getChromaFormat(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth); |
---|
| 773 | Int internalBitDepth[MAX_NUM_CHANNEL_TYPE]; |
---|
| 774 | for(UInt chType=0; chType<MAX_NUM_CHANNEL_TYPE; chType++) |
---|
| 775 | { |
---|
| 776 | internalBitDepth[chType] = m_bitdepthShift[chType] + m_MSBExtendedBitDepth[chType]; |
---|
| 777 | } |
---|
| 778 | ColourSpaceConvert(*pPicYuvUser, cPicYuvCSCd, ipCSC, internalBitDepth, false); |
---|
| 779 | } |
---|
| 780 | TComPicYuv *pPicYuv=(ipCSC==IPCOLOURSPACE_UNCHANGED) ? pPicYuvUser : &cPicYuvCSCd; |
---|
| 781 | |
---|
[313] | 782 | // compute actual YUV frame size excluding padding size |
---|
[1029] | 783 | const Int iStride444 = pPicYuv->getStride(COMPONENT_Y); |
---|
| 784 | const UInt width444 = pPicYuv->getWidth(COMPONENT_Y) - confLeft - confRight; |
---|
| 785 | const UInt height444 = pPicYuv->getHeight(COMPONENT_Y) - confTop - confBottom; |
---|
| 786 | Bool is16bit = false; |
---|
| 787 | Bool nonZeroBitDepthShift=false; |
---|
[313] | 788 | |
---|
[1029] | 789 | if ((width444 == 0) || (height444 == 0)) |
---|
[823] | 790 | { |
---|
[1029] | 791 | printf ("\nWarning: writing %d x %d luma sample output picture!", width444, height444); |
---|
[823] | 792 | } |
---|
| 793 | |
---|
[1029] | 794 | for(UInt ch=0; ch<MAX_NUM_CHANNEL_TYPE; ch++) |
---|
[313] | 795 | { |
---|
[1246] | 796 | if (m_fileBitdepth[ch] > 8) |
---|
| 797 | { |
---|
| 798 | is16bit=true; |
---|
| 799 | } |
---|
| 800 | if (m_bitdepthShift[ch] != 0) |
---|
| 801 | { |
---|
| 802 | nonZeroBitDepthShift=true; |
---|
| 803 | } |
---|
[1029] | 804 | } |
---|
| 805 | |
---|
| 806 | TComPicYuv *dstPicYuv = NULL; |
---|
| 807 | Bool retval = true; |
---|
[1246] | 808 | if (format>=NUM_CHROMA_FORMAT) |
---|
| 809 | { |
---|
| 810 | format=pPicYuv->getChromaFormat(); |
---|
| 811 | } |
---|
[1029] | 812 | |
---|
| 813 | if (nonZeroBitDepthShift) |
---|
| 814 | { |
---|
[313] | 815 | dstPicYuv = new TComPicYuv; |
---|
[1029] | 816 | dstPicYuv->create( pPicYuv->getWidth(COMPONENT_Y), pPicYuv->getHeight(COMPONENT_Y), pPicYuv->getChromaFormat(), 1, 1, 0 ); |
---|
| 817 | pPicYuv->copyToPic(dstPicYuv); |
---|
| 818 | |
---|
| 819 | for(UInt comp=0; comp<dstPicYuv->getNumberValidComponents(); comp++) |
---|
| 820 | { |
---|
| 821 | const ComponentID compID=ComponentID(comp); |
---|
| 822 | const ChannelType ch=toChannelType(compID); |
---|
| 823 | #if !CLIP_TO_709_RANGE |
---|
| 824 | const Pel minval = 0; |
---|
| 825 | const Pel maxval = (1 << m_MSBExtendedBitDepth[ch]) - 1; |
---|
[494] | 826 | #else |
---|
[1029] | 827 | const Bool b709Compliance=(-m_bitdepthShift[ch] < 0 && m_MSBExtendedBitDepth[ch] >= 8); /* ITU-R BT.709 compliant clipping for converting say 10b to 8b */ |
---|
| 828 | const Pel minval = b709Compliance? (( 1 << (m_MSBExtendedBitDepth[ch] - 8)) ) : 0; |
---|
| 829 | const Pel maxval = b709Compliance? ((0xff << (m_MSBExtendedBitDepth[ch] - 8)) -1) : (1 << m_MSBExtendedBitDepth[ch]) - 1; |
---|
[494] | 830 | #endif |
---|
[313] | 831 | |
---|
[1029] | 832 | scalePlane(dstPicYuv->getAddr(compID), dstPicYuv->getStride(compID), dstPicYuv->getWidth(compID), dstPicYuv->getHeight(compID), -m_bitdepthShift[ch], minval, maxval); |
---|
[313] | 833 | } |
---|
| 834 | } |
---|
| 835 | else |
---|
| 836 | { |
---|
| 837 | dstPicYuv = pPicYuv; |
---|
| 838 | } |
---|
[1029] | 839 | |
---|
| 840 | for(UInt comp=0; retval && comp<dstPicYuv->getNumberValidComponents(); comp++) |
---|
[313] | 841 | { |
---|
[1029] | 842 | const ComponentID compID = ComponentID(comp); |
---|
| 843 | const ChannelType ch=toChannelType(compID); |
---|
| 844 | const UInt csx = pPicYuv->getComponentScaleX(compID); |
---|
| 845 | const UInt csy = pPicYuv->getComponentScaleY(compID); |
---|
| 846 | const Int planeOffset = (confLeft>>csx) + (confTop>>csy) * pPicYuv->getStride(compID); |
---|
| 847 | if (! writePlane(m_cHandle, dstPicYuv->getAddr(compID) + planeOffset, is16bit, iStride444, width444, height444, compID, dstPicYuv->getChromaFormat(), format, m_fileBitdepth[ch])) |
---|
| 848 | { |
---|
| 849 | retval=false; |
---|
| 850 | } |
---|
[313] | 851 | } |
---|
| 852 | |
---|
[1029] | 853 | if (nonZeroBitDepthShift) |
---|
[313] | 854 | { |
---|
| 855 | dstPicYuv->destroy(); |
---|
| 856 | delete dstPicYuv; |
---|
[1029] | 857 | } |
---|
| 858 | |
---|
| 859 | cPicYuvCSCd.destroy(); |
---|
| 860 | |
---|
[313] | 861 | return retval; |
---|
| 862 | } |
---|
| 863 | |
---|
[1029] | 864 | Bool TVideoIOYuv::write( TComPicYuv* pPicYuvUserTop, TComPicYuv* pPicYuvUserBottom, const InputColourSpaceConversion ipCSC, Int confLeft, Int confRight, Int confTop, Int confBottom, ChromaFormat format, const Bool isTff ) |
---|
| 865 | { |
---|
[442] | 866 | |
---|
[1029] | 867 | TComPicYuv cPicYuvTopCSCd; |
---|
| 868 | TComPicYuv cPicYuvBottomCSCd; |
---|
| 869 | if (ipCSC!=IPCOLOURSPACE_UNCHANGED) |
---|
[823] | 870 | { |
---|
[1029] | 871 | cPicYuvTopCSCd .create(pPicYuvUserTop ->getWidth(COMPONENT_Y), pPicYuvUserTop ->getHeight(COMPONENT_Y), pPicYuvUserTop ->getChromaFormat(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth); |
---|
| 872 | cPicYuvBottomCSCd.create(pPicYuvUserBottom->getWidth(COMPONENT_Y), pPicYuvUserBottom->getHeight(COMPONENT_Y), pPicYuvUserBottom->getChromaFormat(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth); |
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| 873 | Int internalBitDepth[MAX_NUM_CHANNEL_TYPE]; |
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| 874 | for(UInt chType=0; chType<MAX_NUM_CHANNEL_TYPE; chType++) |
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| 875 | { |
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| 876 | internalBitDepth[chType] = m_bitdepthShift[chType] + m_MSBExtendedBitDepth[chType]; |
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| 877 | } |
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| 878 | ColourSpaceConvert(*pPicYuvUserTop, cPicYuvTopCSCd, ipCSC, internalBitDepth, false); |
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| 879 | ColourSpaceConvert(*pPicYuvUserBottom, cPicYuvBottomCSCd, ipCSC, internalBitDepth, false); |
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[823] | 880 | } |
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[1029] | 881 | TComPicYuv *pPicYuvTop = (ipCSC==IPCOLOURSPACE_UNCHANGED) ? pPicYuvUserTop : &cPicYuvTopCSCd; |
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| 882 | TComPicYuv *pPicYuvBottom = (ipCSC==IPCOLOURSPACE_UNCHANGED) ? pPicYuvUserBottom : &cPicYuvBottomCSCd; |
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| 883 | |
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| 884 | Bool is16bit = false; |
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| 885 | Bool nonZeroBitDepthShift=false; |
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| 886 | |
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| 887 | for(UInt ch=0; ch<MAX_NUM_CHANNEL_TYPE; ch++) |
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[442] | 888 | { |
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[1246] | 889 | if (m_fileBitdepth[ch] > 8) |
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| 890 | { |
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| 891 | is16bit=true; |
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| 892 | } |
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| 893 | if (m_bitdepthShift[ch] != 0) |
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| 894 | { |
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| 895 | nonZeroBitDepthShift=true; |
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| 896 | } |
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[1029] | 897 | } |
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| 898 | |
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| 899 | TComPicYuv *dstPicYuvTop = NULL; |
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| 900 | TComPicYuv *dstPicYuvBottom = NULL; |
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| 901 | |
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| 902 | for (UInt field = 0; field < 2; field++) |
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| 903 | { |
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| 904 | TComPicYuv *pPicYuv = (field == 0) ? pPicYuvTop : pPicYuvBottom; |
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| 905 | |
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[1246] | 906 | if (format>=NUM_CHROMA_FORMAT) |
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| 907 | { |
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| 908 | format=pPicYuv->getChromaFormat(); |
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| 909 | } |
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[1029] | 910 | |
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| 911 | TComPicYuv* &dstPicYuv = (field == 0) ? dstPicYuvTop : dstPicYuvBottom; |
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| 912 | |
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| 913 | if (nonZeroBitDepthShift) |
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| 914 | { |
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| 915 | dstPicYuv = new TComPicYuv; |
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| 916 | dstPicYuv->create( pPicYuv->getWidth(COMPONENT_Y), pPicYuv->getHeight(COMPONENT_Y), pPicYuv->getChromaFormat(), 1, 1, 0 ); |
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| 917 | pPicYuv->copyToPic(dstPicYuv); |
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| 918 | |
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| 919 | for(UInt comp=0; comp<dstPicYuv->getNumberValidComponents(); comp++) |
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| 920 | { |
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| 921 | const ComponentID compID=ComponentID(comp); |
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| 922 | const ChannelType ch=toChannelType(compID); |
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| 923 | #if !CLIP_TO_709_RANGE |
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| 924 | const Pel minval = 0; |
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| 925 | const Pel maxval = (1 << m_MSBExtendedBitDepth[ch]) - 1; |
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[494] | 926 | #else |
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[1029] | 927 | const Bool b709Compliance=(-m_bitdepthShift[ch] < 0 && m_MSBExtendedBitDepth[ch] >= 8); /* ITU-R BT.709 compliant clipping for converting say 10b to 8b */ |
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| 928 | const Pel minval = b709Compliance? (( 1 << (m_MSBExtendedBitDepth[ch] - 8)) ) : 0; |
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| 929 | const Pel maxval = b709Compliance? ((0xff << (m_MSBExtendedBitDepth[ch] - 8)) -1) : (1 << m_MSBExtendedBitDepth[ch]) - 1; |
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[494] | 930 | #endif |
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[1029] | 931 | |
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| 932 | scalePlane(dstPicYuv->getAddr(compID), dstPicYuv->getStride(compID), dstPicYuv->getWidth(compID), dstPicYuv->getHeight(compID), -m_bitdepthShift[ch], minval, maxval); |
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| 933 | } |
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[442] | 934 | } |
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[1029] | 935 | else |
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[442] | 936 | { |
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[1029] | 937 | dstPicYuv = pPicYuv; |
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[442] | 938 | } |
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| 939 | } |
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[1029] | 940 | |
---|
| 941 | Bool retval = true; |
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| 942 | |
---|
| 943 | assert(dstPicYuvTop->getNumberValidComponents() == dstPicYuvBottom->getNumberValidComponents()); |
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| 944 | assert(dstPicYuvTop->getChromaFormat() == dstPicYuvBottom->getChromaFormat() ); |
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| 945 | assert(dstPicYuvTop->getWidth(COMPONENT_Y) == dstPicYuvBottom->getWidth(COMPONENT_Y) ); |
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| 946 | assert(dstPicYuvTop->getHeight(COMPONENT_Y) == dstPicYuvBottom->getHeight(COMPONENT_Y) ); |
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| 947 | assert(dstPicYuvTop->getStride(COMPONENT_Y) == dstPicYuvBottom->getStride(COMPONENT_Y) ); |
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| 948 | |
---|
| 949 | for(UInt comp=0; retval && comp<dstPicYuvTop->getNumberValidComponents(); comp++) |
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[442] | 950 | { |
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[1029] | 951 | const ComponentID compID = ComponentID(comp); |
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| 952 | const ChannelType ch=toChannelType(compID); |
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| 953 | |
---|
| 954 | assert(dstPicYuvTop->getComponentScaleX(compID) == dstPicYuvBottom->getComponentScaleX(compID)); |
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| 955 | assert(dstPicYuvTop->getComponentScaleY(compID) == dstPicYuvBottom->getComponentScaleY(compID)); |
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| 956 | assert(dstPicYuvTop->getStride (compID) == dstPicYuvBottom->getStride (compID)); |
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| 957 | |
---|
| 958 | const UInt width444 = dstPicYuvTop->getWidth(COMPONENT_Y) - (confLeft + confRight); |
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| 959 | const UInt height444 = dstPicYuvTop->getHeight(COMPONENT_Y) - (confTop + confBottom); |
---|
| 960 | |
---|
| 961 | if ((width444 == 0) || (height444 == 0)) |
---|
| 962 | { |
---|
| 963 | printf ("\nWarning: writing %d x %d luma sample output picture!", width444, height444); |
---|
| 964 | } |
---|
| 965 | |
---|
| 966 | const UInt csx = dstPicYuvTop->getComponentScaleX(compID); |
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| 967 | const UInt csy = dstPicYuvTop->getComponentScaleY(compID); |
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| 968 | const Int planeOffset = (confLeft>>csx) + ( confTop>>csy) * dstPicYuvTop->getStride(compID); //offset is for entire frame - round up for top field and down for bottom field |
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| 969 | |
---|
| 970 | if (! writeField(m_cHandle, |
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| 971 | (dstPicYuvTop ->getAddr(compID) + planeOffset), |
---|
| 972 | (dstPicYuvBottom->getAddr(compID) + planeOffset), |
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| 973 | is16bit, |
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| 974 | dstPicYuvTop->getStride(COMPONENT_Y), |
---|
| 975 | width444, height444, compID, dstPicYuvTop->getChromaFormat(), format, m_fileBitdepth[ch], isTff)) |
---|
| 976 | { |
---|
| 977 | retval=false; |
---|
| 978 | } |
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[442] | 979 | } |
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[1029] | 980 | |
---|
| 981 | if (nonZeroBitDepthShift) |
---|
[442] | 982 | { |
---|
[1029] | 983 | dstPicYuvTop->destroy(); |
---|
| 984 | dstPicYuvBottom->destroy(); |
---|
| 985 | delete dstPicYuvTop; |
---|
| 986 | delete dstPicYuvBottom; |
---|
[442] | 987 | } |
---|
[1029] | 988 | |
---|
| 989 | cPicYuvTopCSCd.destroy(); |
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| 990 | cPicYuvBottomCSCd.destroy(); |
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| 991 | |
---|
| 992 | return retval; |
---|
| 993 | } |
---|
| 994 | |
---|
| 995 | static Void |
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| 996 | copyPlane(const TComPicYuv &src, const ComponentID srcPlane, TComPicYuv &dest, const ComponentID destPlane) |
---|
| 997 | { |
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| 998 | const UInt width=src.getWidth(srcPlane); |
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| 999 | const UInt height=src.getHeight(srcPlane); |
---|
| 1000 | assert(dest.getWidth(destPlane) == width); |
---|
| 1001 | assert(dest.getHeight(destPlane) == height); |
---|
| 1002 | const Pel *pSrc=src.getAddr(srcPlane); |
---|
| 1003 | Pel *pDest=dest.getAddr(destPlane); |
---|
| 1004 | const UInt strideSrc=src.getStride(srcPlane); |
---|
| 1005 | const UInt strideDest=dest.getStride(destPlane); |
---|
| 1006 | for(UInt y=0; y<height; y++, pSrc+=strideSrc, pDest+=strideDest) |
---|
[442] | 1007 | { |
---|
[1029] | 1008 | memcpy(pDest, pSrc, width*sizeof(Pel)); |
---|
[442] | 1009 | } |
---|
[1029] | 1010 | } |
---|
| 1011 | |
---|
| 1012 | // static member |
---|
| 1013 | Void TVideoIOYuv::ColourSpaceConvert(const TComPicYuv &src, TComPicYuv &dest, const InputColourSpaceConversion conversion, const Int bitDepths[MAX_NUM_CHANNEL_TYPE], Bool bIsForwards) |
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| 1014 | { |
---|
| 1015 | const ChromaFormat format=src.getChromaFormat(); |
---|
| 1016 | const UInt numValidComp=src.getNumberValidComponents(); |
---|
| 1017 | |
---|
| 1018 | switch (conversion) |
---|
[442] | 1019 | { |
---|
[1029] | 1020 | case IPCOLOURSPACE_YCbCrtoYYY: |
---|
| 1021 | if (format!=CHROMA_444) |
---|
| 1022 | { |
---|
| 1023 | // only 444 is handled. |
---|
| 1024 | assert(format==CHROMA_444); |
---|
| 1025 | exit(1); |
---|
| 1026 | } |
---|
| 1027 | |
---|
| 1028 | { |
---|
| 1029 | for(UInt comp=0; comp<numValidComp; comp++) |
---|
[1246] | 1030 | { |
---|
[1029] | 1031 | copyPlane(src, ComponentID(bIsForwards?0:comp), dest, ComponentID(comp)); |
---|
[1246] | 1032 | } |
---|
[1029] | 1033 | } |
---|
| 1034 | break; |
---|
| 1035 | case IPCOLOURSPACE_YCbCrtoYCrCb: |
---|
| 1036 | { |
---|
| 1037 | for(UInt comp=0; comp<numValidComp; comp++) |
---|
[1246] | 1038 | { |
---|
[1029] | 1039 | copyPlane(src, ComponentID(comp), dest, ComponentID((numValidComp-comp)%numValidComp)); |
---|
[1246] | 1040 | } |
---|
[1029] | 1041 | } |
---|
| 1042 | break; |
---|
| 1043 | |
---|
| 1044 | case IPCOLOURSPACE_RGBtoGBR: |
---|
| 1045 | { |
---|
| 1046 | if (format!=CHROMA_444) |
---|
| 1047 | { |
---|
| 1048 | // only 444 is handled. |
---|
| 1049 | assert(format==CHROMA_444); |
---|
| 1050 | exit(1); |
---|
| 1051 | } |
---|
| 1052 | |
---|
| 1053 | // channel re-mapping |
---|
| 1054 | for(UInt comp=0; comp<numValidComp; comp++) |
---|
| 1055 | { |
---|
| 1056 | const ComponentID compIDsrc=ComponentID((comp+1)%numValidComp); |
---|
| 1057 | const ComponentID compIDdst=ComponentID(comp); |
---|
| 1058 | copyPlane(src, bIsForwards?compIDsrc:compIDdst, dest, bIsForwards?compIDdst:compIDsrc); |
---|
| 1059 | } |
---|
| 1060 | } |
---|
| 1061 | break; |
---|
| 1062 | |
---|
| 1063 | case IPCOLOURSPACE_UNCHANGED: |
---|
| 1064 | default: |
---|
| 1065 | { |
---|
| 1066 | for(UInt comp=0; comp<numValidComp; comp++) |
---|
[1246] | 1067 | { |
---|
[1029] | 1068 | copyPlane(src, ComponentID(comp), dest, ComponentID(comp)); |
---|
[1246] | 1069 | } |
---|
[1029] | 1070 | } |
---|
| 1071 | break; |
---|
[442] | 1072 | } |
---|
| 1073 | } |
---|