Add some external dependencies.
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Ignacio
249
extern/EtcLib/Etc/EtcImage.h
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249
extern/EtcLib/Etc/EtcImage.h
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/*
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* Copyright 2015 The Etc2Comp Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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//#include "Etc.h"
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#include "EtcColorFloatRGBA.h"
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#include "EtcBlock4x4EncodingBits.h"
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#include "EtcErrorMetric.h"
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namespace Etc
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{
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class Block4x4;
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class EncoderSpec;
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class SortedBlockList;
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class Image
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{
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public:
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//the differnt warning and errors that can come up during encoding
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enum EncodingStatus
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{
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SUCCESS = 0,
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//
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WARNING_THRESHOLD = 1 << 0,
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//
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WARNING_EFFORT_OUT_OF_RANGE = 1 << 1,
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WARNING_JOBS_OUT_OF_RANGE = 1 << 2,
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WARNING_SOME_NON_OPAQUE_PIXELS = 1 << 3,//just for opaque formats, etc1, rgb8, r11, rg11
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WARNING_ALL_OPAQUE_PIXELS = 1 << 4,
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WARNING_ALL_TRANSPARENT_PIXELS = 1 << 5,
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WARNING_SOME_TRANSLUCENT_PIXELS = 1 << 6,//just for rgb8A1
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WARNING_SOME_RGBA_NOT_0_TO_1 = 1 << 7,
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WARNING_SOME_BLUE_VALUES_ARE_NOT_ZERO = 1 << 8,
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WARNING_SOME_GREEN_VALUES_ARE_NOT_ZERO = 1 << 9,
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//
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ERROR_THRESHOLD = 1 << 16,
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//
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ERROR_UNKNOWN_FORMAT = 1 << 17,
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ERROR_UNKNOWN_ERROR_METRIC = 1 << 18,
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ERROR_ZERO_WIDTH_OR_HEIGHT = 1 << 19,
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//
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};
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enum class Format
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{
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UNKNOWN,
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//
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ETC1,
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//
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// ETC2 formats
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RGB8,
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SRGB8,
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RGBA8,
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SRGBA8,
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R11,
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SIGNED_R11,
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RG11,
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SIGNED_RG11,
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RGB8A1,
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SRGB8A1,
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//
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FORMATS,
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//
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DEFAULT = SRGB8
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};
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// constructor using source image
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Image(float *a_pafSourceRGBA, unsigned int a_uiSourceWidth,
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unsigned int a_uiSourceHeight,
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ErrorMetric a_errormetric);
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// constructor using encoding bits
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Image(Format a_format,
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unsigned int a_uiSourceWidth, unsigned int a_uiSourceHeight,
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unsigned char *a_paucEncidingBits, unsigned int a_uiEncodingBitsBytes,
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Image *a_pimageSource,
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ErrorMetric a_errormetric);
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~Image(void);
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EncodingStatus Encode(Format a_format, ErrorMetric a_errormetric, float a_fEffort,
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unsigned int a_uiJobs, unsigned int a_uiMaxJobs);
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inline void AddToEncodingStatus(EncodingStatus a_encStatus)
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{
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m_encodingStatus = (EncodingStatus)((unsigned int)m_encodingStatus | (unsigned int)a_encStatus);
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}
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inline unsigned int GetSourceWidth(void)
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{
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return m_uiSourceWidth;
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}
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inline unsigned int GetSourceHeight(void)
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{
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return m_uiSourceHeight;
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}
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inline unsigned int GetExtendedWidth(void)
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{
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return m_uiExtendedWidth;
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}
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inline unsigned int GetExtendedHeight(void)
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{
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return m_uiExtendedHeight;
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}
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inline unsigned int GetNumberOfBlocks()
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{
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return m_uiBlockColumns * m_uiBlockRows;
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}
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inline Block4x4 * GetBlocks()
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{
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return m_pablock;
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}
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inline unsigned char * GetEncodingBits(void)
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{
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return m_paucEncodingBits;
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}
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inline unsigned int GetEncodingBitsBytes(void)
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{
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return m_uiEncodingBitsBytes;
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}
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inline int GetEncodingTimeMs(void)
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{
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return m_iEncodeTime_ms;
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}
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float GetError(void);
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inline ColorFloatRGBA * GetSourcePixel(unsigned int a_uiH, unsigned int a_uiV)
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{
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if (a_uiH >= m_uiSourceWidth || a_uiV >= m_uiSourceHeight)
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{
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return nullptr;
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}
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return &m_pafrgbaSource[a_uiV*m_uiSourceWidth + a_uiH];
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}
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inline Format GetFormat(void)
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{
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return m_format;
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}
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static Block4x4EncodingBits::Format DetermineEncodingBitsFormat(Format a_format);
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inline static unsigned short CalcExtendedDimension(unsigned short a_ushOriginalDimension)
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{
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return (unsigned short)((a_ushOriginalDimension + 3) & ~3);
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}
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inline ErrorMetric GetErrorMetric(void)
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{
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return m_errormetric;
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}
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static const char * EncodingFormatToString(Image::Format a_format);
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const char * EncodingFormatToString(void);
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//used to get basic information about the image data
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int m_iNumOpaquePixels;
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int m_iNumTranslucentPixels;
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int m_iNumTransparentPixels;
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ColorFloatRGBA m_numColorValues;
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ColorFloatRGBA m_numOutOfRangeValues;
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bool m_bVerboseOutput;
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private:
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//add a warning or error to check for while encoding
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inline void TrackEncodingWarning(EncodingStatus a_encStatus)
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{
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m_warningsToCapture = (EncodingStatus)((unsigned int)m_warningsToCapture | (unsigned int)a_encStatus);
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}
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//report the warning if it is something we care about for this encoding
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inline void AddToEncodingStatusIfSignfigant(EncodingStatus a_encStatus)
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{
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if ((EncodingStatus)((unsigned int)m_warningsToCapture & (unsigned int)a_encStatus) == a_encStatus)
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{
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AddToEncodingStatus(a_encStatus);
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}
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}
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Image(void);
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void FindEncodingWarningTypesForCurFormat();
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void FindAndSetEncodingWarnings();
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void InitBlocksAndBlockSorter(void);
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void RunFirstPass(unsigned int a_uiMultithreadingOffset,
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unsigned int a_uiMultithreadingStride);
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void SetEncodingBits(unsigned int a_uiMultithreadingOffset,
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unsigned int a_uiMultithreadingStride);
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unsigned int IterateThroughWorstBlocks(unsigned int a_uiMaxBlocks,
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unsigned int a_uiMultithreadingOffset,
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unsigned int a_uiMultithreadingStride);
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// inputs
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ColorFloatRGBA *m_pafrgbaSource;
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unsigned int m_uiSourceWidth;
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unsigned int m_uiSourceHeight;
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unsigned int m_uiExtendedWidth;
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unsigned int m_uiExtendedHeight;
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unsigned int m_uiBlockColumns;
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unsigned int m_uiBlockRows;
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// intermediate data
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Block4x4 *m_pablock;
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// encoding
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Format m_format;
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Block4x4EncodingBits::Format m_encodingbitsformat;
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unsigned int m_uiEncodingBitsBytes; // for entire image
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unsigned char *m_paucEncodingBits;
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ErrorMetric m_errormetric;
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float m_fEffort;
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// stats
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int m_iEncodeTime_ms;
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SortedBlockList *m_psortedblocklist;
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//this will hold any warning or errors that happen during encoding
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EncodingStatus m_encodingStatus;
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//these will be the warnings we are tracking
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EncodingStatus m_warningsToCapture;
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};
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} // namespace Etc
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