/*
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*
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*
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*?OR?OTHER?TORTIOUS?ACTION?ARISING?OUT?OF?OR?IN?CONNECTION?WITH?THE?USE
*?OR?PERFORMANCE?OF?THIS?SOURCE?CODE.
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*?U.S.?Government?End?Users.??This?source?code?is?a?“commercial?item“?as
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*/

//?This?sample?needs?at?least?CUDA?5.5?and?a?GPU?that?has?at?least?Compute?Capability?2.0

//?This?sample?demonstrates?a?simple?image?processing?pipeline.
//?First?a?JPEG?file?is?huffman?decoded?and?inverse?DCT?transformed?and?dequantized.
//?Then?the?different?planes?are?resized.?Finally?the?resized?image?is?quantized?forward
//?DCT?transformed?and?huffman?encoded.

#include?“cuda_functions.h“

#include?
#include?
#include?

#include?“Endianess.h“
#include?

#include?
#include?
#include?

#include?
#include?

using?namespace?std;

struct?frameHeader
{
????unsigned?char?nSamplePrecision;
????unsigned?short?nHeight;
????unsigned?short?nWidth;
????unsigned?char?nComponents;
????unsigned?char?aComponentIdentifier[3];
????unsigned?char?aSamplingFactors[3];
????unsigned?char?aQuantizationTableSelector[3];
};

struct?ScanHeader
{
????unsigned?char?nComponents;
????unsigned?char?aComponentSelector[3];
????unsigned?char?aHuffmanTablesSelector[3];
????unsigned?char?nSs;
????unsigned?char?nSe;
????unsigned?char?nA;
};

struct?QuantizationTable
{
????unsigned?char?nPrecisionAndIdentifier;
????unsigned?char?aTable[64];
};

struct?HuffmanTable
{
????unsigned?char?nClassAndIdentifier;
????unsigned?char?aCodes[16];
????unsigned?char?aTable[256];
};


int?DivUp（int?x?int?d）
{
????return?（x?+?d?-?1）?/?d;
}

template
void?writeAndAdvance（unsigned?char?*&p

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????文件????????2032??2016-11-01?07:39??jpegNPP編碼\Endianess.h
?????文件????????5189??2017-08-08?15:17??jpegNPP編碼\RGB2YUV.cu
?????文件?????????639??2017-08-08?15:19??jpegNPP編碼\cuda_functions.h
?????文件???????20207??2017-08-08?15:18??jpegNPP編碼\jpegNPP.cpp
?????目錄???????????0??2017-08-08?15:17??jpegNPP編碼\