#include "decompressors/LJpegDecoder.h"

Inheritance diagram for rawspeed::LJpegDecoder:

Collaboration diagram for rawspeed::LJpegDecoder:

Public Member Functions
	LJpegDecoder (ByteStream bs, const RawImage &img)
void	decode (uint32_t offsetX, uint32_t offsetY, uint32_t width, uint32_t height, iPoint2D maxDim, bool fixDng16Bug_)
int	getSamplePrecision () const

Protected Member Functions
virtual bool	erratumImplicitEOIMarkerAfterScan () const
void	decodeSOI ()
void	parseSOF (ByteStream data, SOFInfo *i)
void	parseSOS (ByteStream data)
void	parseDHT (ByteStream data)
void	parseDRI (ByteStream dri)
JpegMarker	getNextMarker (bool allowskip)
std::vector< const PrefixCodeDecoder<> * >	getPrefixCodeDecoders (int N_COMP) const
std::vector< uint16_t >	getInitialPredictors (int N_COMP) const

Protected Attributes
bool	fixDng16Bug = false
bool	fullDecodeHT = true
ByteStream	input
RawImage	mRaw
SOFInfo	frame
uint16_t	numMCUsPerRestartInterval = 0
uint32_t	predictorMode = 0

Private Member Functions
ByteStream::size_type	decodeScan () override
virtual void	anchor () const

Private Attributes
uint32_t	offX = 0
uint32_t	offY = 0
uint32_t	w = 0
uint32_t	h = 0
iPoint2D	maxDim
std::vector< std::unique_ptr< const HuffmanCode< BaselineCodeTag > > >	huffmanCodeStore
std::vector< std::unique_ptr< const PrefixCodeDecoder<> > >	PrefixCodeDecoderStore
uint32_t	Pt = 0
std::array< const PrefixCodeDecoder<> *, 4 >	huff

Detailed Description

Definition at line 34 of file LJpegDecoder.h.

Constructor & Destructor Documentation

◆ LJpegDecoder()

rawspeed::LJpegDecoder::LJpegDecoder	(	ByteStream	bs,
		const RawImage &	img )

Definition at line 43 of file LJpegDecoder.cpp.

References rawspeed::AbstractLJpegDecoder::AbstractLJpegDecoder(), rawspeed::AbstractLJpegDecoder::mRaw, ThrowRDE, and rawspeed::UINT16.

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Member Function Documentation

◆ anchor()

void rawspeed::AbstractLJpegDecoder::anchor ( ) const

privatevirtualinherited

Definition at line 44 of file AbstractLJpegDecoder.cpp.

◆ decode()

void rawspeed::LJpegDecoder::decode	(	uint32_t	offsetX,
		uint32_t	offsetY,
		uint32_t	width,
		uint32_t	height,
		iPoint2D	maxDim,
		bool	fixDng16Bug_ )

Definition at line 66 of file LJpegDecoder.cpp.

References rawspeed::AbstractLJpegDecoder::decodeSOI(), rawspeed::AbstractLJpegDecoder::fixDng16Bug, h, rawspeed::iPoint2D::hasPositiveArea(), rawspeed::implicit_cast(), maxDim, rawspeed::AbstractLJpegDecoder::mRaw, offX, offY, ThrowRDE, w, rawspeed::iPoint2D::x, and rawspeed::iPoint2D::y.

Referenced by rawspeed::ArwDecoder::DecodeLJpeg(), rawspeed::AbstractDngDecompressor::decompressThread(), and LLVMFuzzerTestOneInput().

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◆ decodeScan()

Buffer::size_type rawspeed::LJpegDecoder::decodeScan ( )

nodiscardoverrideprivatevirtual

Implements rawspeed::AbstractLJpegDecoder.

Definition at line 104 of file LJpegDecoder.cpp.

References rawspeed::LJpegDecompressor::decode(), rawspeed::AbstractLJpegDecoder::frame, rawspeed::AbstractLJpegDecoder::getInitialPredictors(), rawspeed::AbstractLJpegDecoder::getPrefixCodeDecoders(), h, rawspeed::implicit_cast(), rawspeed::AbstractLJpegDecoder::input, invariant, maxDim, rawspeed::AbstractLJpegDecoder::mRaw, rawspeed::AbstractLJpegDecoder::numMCUsPerRestartInterval, offX, offY, rawspeed::AbstractLJpegDecoder::predictorMode, ThrowRDE, and w.

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◆ decodeSOI()

void rawspeed::AbstractLJpegDecoder::decodeSOI ( )

protectedinherited

Definition at line 65 of file AbstractLJpegDecoder.cpp.

References rawspeed::DHT, rawspeed::DQT, rawspeed::DRI, rawspeed::EOI, erratumImplicitEOIMarkerAfterScan(), frame, getNextMarker(), input, parseDHT(), parseDRI(), parseSOF(), parseSOS(), rawspeed::ByteStream::skipBytes(), rawspeed::SOF3, rawspeed::SOI, rawspeed::SOS, and ThrowRDE.

Referenced by rawspeed::Cr2LJpegDecoder::decode(), rawspeed::HasselbladLJpegDecoder::decode(), and rawspeed::LJpegDecoder::decode().

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◆ erratumImplicitEOIMarkerAfterScan()

virtual bool rawspeed::AbstractLJpegDecoder::erratumImplicitEOIMarkerAfterScan ( ) const

inlinenodiscardprotectedvirtualinherited

Reimplemented in rawspeed::HasselbladLJpegDecoder.

Definition at line 101 of file AbstractLJpegDecoder.h.

Referenced by decodeSOI().

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◆ getInitialPredictors()

std::vector< uint16_t > rawspeed::AbstractLJpegDecoder::getInitialPredictors ( int N_COMP ) const

inlinenodiscardprotectedinherited

Definition at line 128 of file AbstractLJpegDecoder.h.

References frame, Pt, and ThrowRDE.

Referenced by rawspeed::Cr2LJpegDecoder::decodeScan(), rawspeed::HasselbladLJpegDecoder::decodeScan(), and rawspeed::LJpegDecoder::decodeScan().

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◆ getNextMarker()

JpegMarker rawspeed::AbstractLJpegDecoder::getNextMarker ( bool allowskip )

protectedinherited

Definition at line 282 of file AbstractLJpegDecoder.cpp.

References rawspeed::advanceToNextMarker(), input, rawspeed::peekMarker(), and ThrowRDE.

Referenced by decodeSOI().

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◆ getPrefixCodeDecoders()

std::vector< const PrefixCodeDecoder<> * > rawspeed::AbstractLJpegDecoder::getPrefixCodeDecoders ( int N_COMP ) const

inlinenodiscardprotectedinherited

Definition at line 113 of file AbstractLJpegDecoder.h.

References frame, huff, rawspeed::implicit_cast(), and ThrowRDE.

Referenced by rawspeed::Cr2LJpegDecoder::decodeScan(), rawspeed::HasselbladLJpegDecoder::decodeScan(), and rawspeed::LJpegDecoder::decodeScan().

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◆ getSamplePrecision()

int rawspeed::AbstractLJpegDecoder::getSamplePrecision ( ) const

inlinenodiscardinherited

Definition at line 90 of file AbstractLJpegDecoder.h.

References frame.

Referenced by rawspeed::Cr2Decoder::decodeNewFormat(), and rawspeed::Cr2Decoder::decodeOldFormat().

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◆ parseDHT()

void rawspeed::AbstractLJpegDecoder::parseDHT ( ByteStream data )

protectedinherited

Definition at line 230 of file AbstractLJpegDecoder.cpp.

References assert(), fixDng16Bug, fullDecodeHT, rawspeed::ByteStream::getBuffer(), rawspeed::ByteStream::getByte(), rawspeed::ByteStream::getRemainSize(), huff, huffmanCodeStore, PrefixCodeDecoderStore, rawspeed::HuffmanCode< CodeTag >::setCodeValues(), rawspeed::HuffmanCode< CodeTag >::setNCodesPerLength(), and ThrowRDE.

Referenced by decodeSOI().

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◆ parseDRI()

void rawspeed::AbstractLJpegDecoder::parseDRI ( ByteStream dri )

protectedinherited

Definition at line 276 of file AbstractLJpegDecoder.cpp.

References rawspeed::ByteStream::getRemainSize(), rawspeed::ByteStream::getU16(), numMCUsPerRestartInterval, and ThrowRDE.

Referenced by decodeSOI().

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◆ parseSOF()

void rawspeed::AbstractLJpegDecoder::parseSOF	(	ByteStream	data,
		SOFInfo *	i )

protectedinherited

Definition at line 127 of file AbstractLJpegDecoder.cpp.

References rawspeed::SOFInfo::compInfo, rawspeed::SOFInfo::cps, frame, rawspeed::ByteStream::getByte(), rawspeed::ByteStream::getRemainSize(), rawspeed::ByteStream::getU16(), rawspeed::SOFInfo::h, rawspeed::SOFInfo::initialized, mRaw, rawspeed::SOFInfo::prec, ThrowRDE, and rawspeed::SOFInfo::w.

Referenced by decodeSOI().

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◆ parseSOS()

void rawspeed::AbstractLJpegDecoder::parseSOS ( ByteStream data )

protectedinherited

Definition at line 181 of file AbstractLJpegDecoder.cpp.

References decodeScan(), frame, rawspeed::ByteStream::getByte(), rawspeed::ByteStream::getRemainSize(), huff, input, invariant, predictorMode, Pt, and ThrowRDE.

Referenced by decodeSOI().

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Member Data Documentation

◆ fixDng16Bug

bool rawspeed::AbstractLJpegDecoder::fixDng16Bug = false

protectedinherited

Definition at line 95 of file AbstractLJpegDecoder.h.

Referenced by rawspeed::LJpegDecoder::decode(), and parseDHT().

◆ frame

SOFInfo rawspeed::AbstractLJpegDecoder::frame

protectedinherited

Definition at line 143 of file AbstractLJpegDecoder.h.

Referenced by rawspeed::Cr2LJpegDecoder::decodeScan(), rawspeed::HasselbladLJpegDecoder::decodeScan(), rawspeed::LJpegDecoder::decodeScan(), decodeSOI(), getInitialPredictors(), getPrefixCodeDecoders(), getSamplePrecision(), parseSOF(), and parseSOS().

◆ fullDecodeHT

bool rawspeed::AbstractLJpegDecoder::fullDecodeHT = true

protectedinherited

Definition at line 96 of file AbstractLJpegDecoder.h.

Referenced by rawspeed::HasselbladLJpegDecoder::decode(), and parseDHT().

◆ h

uint32_t rawspeed::LJpegDecoder::h = 0

private

Definition at line 40 of file LJpegDecoder.h.

Referenced by decode(), and decodeScan().

◆ huff

std::array<const PrefixCodeDecoder<>*, 4> rawspeed::AbstractLJpegDecoder::huff

privateinherited

Initial value:

{

{}}

Definition at line 83 of file AbstractLJpegDecoder.h.

Referenced by getPrefixCodeDecoders(), parseDHT(), and parseSOS().

◆ huffmanCodeStore

std::vector<std::unique_ptr<const HuffmanCode<BaselineCodeTag> > > rawspeed::AbstractLJpegDecoder::huffmanCodeStore

privateinherited

Definition at line 78 of file AbstractLJpegDecoder.h.

Referenced by parseDHT().

◆ input

ByteStream rawspeed::AbstractLJpegDecoder::input

protectedinherited

Definition at line 140 of file AbstractLJpegDecoder.h.

Referenced by AbstractLJpegDecoder(), rawspeed::Cr2LJpegDecoder::decodeScan(), rawspeed::HasselbladLJpegDecoder::decodeScan(), rawspeed::LJpegDecoder::decodeScan(), decodeSOI(), getNextMarker(), and parseSOS().

◆ maxDim

iPoint2D rawspeed::LJpegDecoder::maxDim

private

Definition at line 42 of file LJpegDecoder.h.

Referenced by decode(), and decodeScan().

◆ mRaw

RawImage rawspeed::AbstractLJpegDecoder::mRaw

protectedinherited

Definition at line 141 of file AbstractLJpegDecoder.h.

Referenced by AbstractLJpegDecoder(), rawspeed::Cr2LJpegDecoder::Cr2LJpegDecoder(), rawspeed::HasselbladLJpegDecoder::HasselbladLJpegDecoder(), rawspeed::LJpegDecoder::LJpegDecoder(), rawspeed::LJpegDecoder::decode(), rawspeed::Cr2LJpegDecoder::decodeScan(), rawspeed::HasselbladLJpegDecoder::decodeScan(), rawspeed::LJpegDecoder::decodeScan(), and parseSOF().

◆ numMCUsPerRestartInterval

uint16_t rawspeed::AbstractLJpegDecoder::numMCUsPerRestartInterval = 0

protectedinherited

Definition at line 144 of file AbstractLJpegDecoder.h.

Referenced by rawspeed::Cr2LJpegDecoder::decodeScan(), rawspeed::HasselbladLJpegDecoder::decodeScan(), rawspeed::LJpegDecoder::decodeScan(), and parseDRI().

◆ offX

uint32_t rawspeed::LJpegDecoder::offX = 0

private

Definition at line 37 of file LJpegDecoder.h.

Referenced by decode(), and decodeScan().

◆ offY

uint32_t rawspeed::LJpegDecoder::offY = 0

private

Definition at line 38 of file LJpegDecoder.h.

Referenced by decode(), and decodeScan().

◆ predictorMode

uint32_t rawspeed::AbstractLJpegDecoder::predictorMode = 0

protectedinherited

Definition at line 145 of file AbstractLJpegDecoder.h.

Referenced by rawspeed::Cr2LJpegDecoder::decodeScan(), rawspeed::LJpegDecoder::decodeScan(), and parseSOS().

◆ PrefixCodeDecoderStore

std::vector<std::unique_ptr<const PrefixCodeDecoder<> > > rawspeed::AbstractLJpegDecoder::PrefixCodeDecoderStore

privateinherited

Definition at line 80 of file AbstractLJpegDecoder.h.

Referenced by parseDHT().

◆ Pt

uint32_t rawspeed::AbstractLJpegDecoder::Pt = 0

privateinherited

Definition at line 82 of file AbstractLJpegDecoder.h.

Referenced by getInitialPredictors(), and parseSOS().

◆ w

uint32_t rawspeed::LJpegDecoder::w = 0

private

Definition at line 39 of file LJpegDecoder.h.

Referenced by decode(), and decodeScan().

The documentation for this class was generated from the following files:

librawspeed/decompressors/LJpegDecoder.h
librawspeed/decompressors/LJpegDecoder.cpp

Public Member Functions

Protected Member Functions

Protected Attributes

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ LJpegDecoder()

Member Function Documentation

◆ anchor()

◆ decode()

◆ decodeScan()

◆ decodeSOI()

◆ erratumImplicitEOIMarkerAfterScan()

◆ getInitialPredictors()

◆ getNextMarker()

◆ getPrefixCodeDecoders()

◆ getSamplePrecision()

◆ parseDHT()

◆ parseDRI()

◆ parseSOF()

◆ parseSOS()

Member Data Documentation

◆ fixDng16Bug

◆ frame

◆ fullDecodeHT

◆ h

◆ huff

◆ huffmanCodeStore

◆ input

◆ maxDim

◆ mRaw

◆ numMCUsPerRestartInterval

◆ offX

◆ offY

◆ predictorMode

◆ PrefixCodeDecoderStore

◆ Pt

◆ w