#include "decompressors/VC5Decompressor.h"

Inheritance diagram for rawspeed::VC5Decompressor:

Collaboration diagram for rawspeed::VC5Decompressor:

Classes
struct	BandData
class	Wavelet
struct	Channel

Public Member Functions
	VC5Decompressor (ByteStream bs, const RawImage &img)
void	decode (unsigned int offsetX, unsigned int offsetY, unsigned int width, unsigned int height)

Private Types
using	PrefixCodeDecoder

Private Member Functions
void	initPrefixCodeDecoder ()
void	initVC5LogTable ()
void	parseLargeCodeblock (ByteStream bs)
template<BayerPhase p>
void	combineFinalLowpassBandsImpl () const noexcept
void	combineFinalLowpassBands () const noexcept
void	createWaveletBandDecodingTasks (bool &exceptionThrown) const noexcept
void	decodeThread (bool &exceptionThrown) const noexcept
void	parseVC5 ()

Static Private Member Functions
static std::pair< int16_t, unsigned int >	getRLV (const PrefixCodeDecoder &decoder, BitStreamerMSB &bits)

Private Attributes
RawImage	mRaw
ByteStream	mBs
BayerPhase	phase
int	outputBits
SimpleLUT< unsigned, VC5_LOG_TABLE_BITWIDTH >	mVC5LogTable
Optional< PrefixCodeDecoder >	codeDecoder
struct {
uint16_t iChannel = 0
Optional< uint16_t > iSubband
Optional< uint16_t > lowpassPrecision
Optional< int16_t > quantization
const uint16_t imgFormat = 4
const uint16_t patternWidth = 2
const uint16_t patternHeight = 2
const uint16_t cps = 1
}	mVC5
std::array< Channel, numChannels >	channels

Static Private Attributes
static constexpr auto	VC5_LOG_TABLE_BITWIDTH = 12
static constexpr int	numWaveletLevels = 3
static constexpr int	numHighPassBands = 3
static constexpr int	numLowPassBands = 1
static constexpr int	numSubbands
static constexpr int	numChannels = 4
static constexpr int	numSubbandsTotal = numSubbands * numChannels
static constexpr int	numLowPassBandsTotal = numWaveletLevels * numChannels

Detailed Description

Definition at line 95 of file VC5Decompressor.h.

Member Typedef Documentation

◆ PrefixCodeDecoder

using rawspeed::VC5Decompressor::PrefixCodeDecoder

private

Initial value:

PrefixCodeLUTDecoder<VC5CodeTag, PrefixCodeVectorDecoder<VC5CodeTag>>

rawspeed::PrefixCodeLUTDecoder

Definition PrefixCodeLUTDecoder.h:71

Definition at line 105 of file VC5Decompressor.h.

Constructor & Destructor Documentation

◆ VC5Decompressor()

rawspeed::VC5Decompressor::VC5Decompressor	(	ByteStream	bs,
		const RawImage &	img )

Definition at line 382 of file VC5Decompressor.cpp.

References rawspeed::VC5Decompressor::Wavelet::bands, channels, rawspeed::GBRG, rawspeed::getAsBayerPhase(), rawspeed::VC5Decompressor::Wavelet::height, rawspeed::implicit_cast(), invariant, rawspeed::VC5Decompressor::Wavelet::maxBands, mBs, mRaw, mVC5, outputBits, parseVC5(), phase, rawspeed::RGGB, rawspeed::roundUpDivisionSafe(), ThrowRDE, rawspeed::UINT16, rawspeed::RawImageData::whitePoint, and rawspeed::VC5Decompressor::Wavelet::width.

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Member Function Documentation

◆ combineFinalLowpassBands()

void rawspeed::VC5Decompressor::combineFinalLowpassBands ( ) const

privatenoexcept

Definition at line 933 of file VC5Decompressor.cpp.

References combineFinalLowpassBandsImpl(), rawspeed::GBRG, phase, and rawspeed::RGGB.

Referenced by decodeThread().

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◆ combineFinalLowpassBandsImpl()

template<BayerPhase p>

void rawspeed::VC5Decompressor::combineFinalLowpassBandsImpl ( ) const

privatenoexcept

Definition at line 876 of file VC5Decompressor.cpp.

References rawspeed::applyStablePhaseShift(), assert(), rawspeed::VC5Decompressor::Wavelet::bands, channels, rawspeed::Array2DRef< T >::height(), rawspeed::VC5Decompressor::Wavelet::height, mRaw, mVC5LogTable, rawspeed::RGGB, rawspeed::Array2DRef< T >::width(), and rawspeed::VC5Decompressor::Wavelet::width.

Referenced by combineFinalLowpassBands().

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◆ createWaveletBandDecodingTasks()

void rawspeed::VC5Decompressor::createWaveletBandDecodingTasks ( bool & exceptionThrown ) const

privatenoexcept

Definition at line 818 of file VC5Decompressor.cpp.

References channels, rawspeed::VC5Decompressor::Wavelet::maxBands, mRaw, and numWaveletLevels.

Referenced by decodeThread().

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◆ decode()

void rawspeed::VC5Decompressor::decode	(	unsigned int	offsetX,
		unsigned int	offsetY,
		unsigned int	width,
		unsigned int	height )

Definition at line 849 of file VC5Decompressor.cpp.

References assert(), decodeThread(), rawspeed::VC5Decompressor::Wavelet::height, initPrefixCodeDecoder(), initVC5LogTable(), mRaw, ThrowRDE, and rawspeed::VC5Decompressor::Wavelet::width.

Referenced by rawspeed::AbstractDngDecompressor::decompressThread().

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◆ decodeThread()

void rawspeed::VC5Decompressor::decodeThread ( bool & exceptionThrown ) const

privatenoexcept

Definition at line 835 of file VC5Decompressor.cpp.

References combineFinalLowpassBands(), and createWaveletBandDecodingTasks().

Referenced by decode().

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◆ getRLV()

std::pair< int16_t, unsigned int > rawspeed::VC5Decompressor::getRLV	(	const PrefixCodeDecoder &	decoder,
		BitStreamerMSB &	bits )

inlinestaticprivate

Definition at line 949 of file VC5Decompressor.cpp.

References rawspeed::PrefixCodeVectorDecoder< CodeTag >::decodeCodeValue(), rawspeed::BitStreamer< Tag >::getBitsNoFill(), rawspeed::implicit_cast(), and rawspeed::RLVRunLengthBitWidth.

Referenced by rawspeed::VC5Decompressor::Wavelet::HighPassBand::decode().

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◆ initPrefixCodeDecoder()

void rawspeed::VC5Decompressor::initPrefixCodeDecoder ( )

private

Definition at line 437 of file VC5Decompressor.cpp.

References assert(), codeDecoder, rawspeed::DecompandedCodeValueBitWidth, rawspeed::isIntN(), and rawspeed::RLVRunLengthBitWidth.

Referenced by decode().

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◆ initVC5LogTable()

void rawspeed::VC5Decompressor::initVC5LogTable ( )

private

Definition at line 464 of file VC5Decompressor.cpp.

References rawspeed::implicit_cast(), mVC5LogTable, outputBits, x, and y.

Referenced by decode().

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◆ parseLargeCodeblock()

void rawspeed::VC5Decompressor::parseLargeCodeblock ( ByteStream bs )

private

Definition at line 744 of file VC5Decompressor.cpp.

References rawspeed::VC5Decompressor::Wavelet::allBandsValid(), assert(), rawspeed::VC5Decompressor::Wavelet::bands, channels, codeDecoder, rawspeed::Buffer::getAsArray1DRef(), rawspeed::VC5Decompressor::Wavelet::isBandValid(), mVC5, numWaveletLevels, rawspeed::VC5Decompressor::Wavelet::setBandValid(), and ThrowRDE.

Referenced by parseVC5().

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◆ parseVC5()

void rawspeed::VC5Decompressor::parseVC5 ( )

private

Definition at line 490 of file VC5Decompressor.cpp.

References rawspeed::big, rawspeed::ChannelCount, rawspeed::ChannelNumber, channels, rawspeed::ComponentsPerSample, rawspeed::extractHighBits(), rawspeed::ImageFormat, rawspeed::ImageHeight, rawspeed::ImageWidth, invariant, rawspeed::is(), rawspeed::LARGE_CHUNK, rawspeed::LargeCodeblock, rawspeed::LowpassPrecision, rawspeed::matches(), rawspeed::MaxBitsPerComponent, mBs, mRaw, mVC5, numChannels, numSubbands, numWaveletLevels, rawspeed::Optional, parseLargeCodeblock(), rawspeed::PatternHeight, rawspeed::PatternWidth, rawspeed::PrescaleShift, rawspeed::Quantization, rawspeed::SMALL_CHUNK, rawspeed::SubbandCount, rawspeed::SubbandNumber, ThrowRDE, rawspeed::val, and VC5_LOG_TABLE_BITWIDTH.

Referenced by VC5Decompressor().

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Member Data Documentation

◆ channels

std::array<Channel, numChannels> rawspeed::VC5Decompressor::channels

private

Definition at line 225 of file VC5Decompressor.h.

Referenced by VC5Decompressor(), combineFinalLowpassBandsImpl(), createWaveletBandDecodingTasks(), parseLargeCodeblock(), and parseVC5().

◆ codeDecoder

Optional<PrefixCodeDecoder> rawspeed::VC5Decompressor::codeDecoder

private

Definition at line 108 of file VC5Decompressor.h.

Referenced by initPrefixCodeDecoder(), and parseLargeCodeblock().

◆ cps

const uint16_t rawspeed::VC5Decompressor::cps = 1

Definition at line 129 of file VC5Decompressor.h.

◆ iChannel

uint16_t rawspeed::VC5Decompressor::iChannel = 0

Definition at line 121 of file VC5Decompressor.h.

◆ imgFormat

const uint16_t rawspeed::VC5Decompressor::imgFormat = 4

Definition at line 126 of file VC5Decompressor.h.

◆ iSubband

Optional<uint16_t> rawspeed::VC5Decompressor::iSubband

Definition at line 122 of file VC5Decompressor.h.

◆ lowpassPrecision

Optional<uint16_t> rawspeed::VC5Decompressor::lowpassPrecision

Definition at line 123 of file VC5Decompressor.h.

◆ mBs

ByteStream rawspeed::VC5Decompressor::mBs

private

Definition at line 97 of file VC5Decompressor.h.

Referenced by VC5Decompressor(), and parseVC5().

◆ mRaw

RawImage rawspeed::VC5Decompressor::mRaw

private

Definition at line 96 of file VC5Decompressor.h.

Referenced by VC5Decompressor(), combineFinalLowpassBandsImpl(), createWaveletBandDecodingTasks(), decode(), and parseVC5().

◆ [struct]

struct { ... } rawspeed::VC5Decompressor::mVC5

Referenced by VC5Decompressor(), parseLargeCodeblock(), and parseVC5().

◆ mVC5LogTable

SimpleLUT<unsigned, VC5_LOG_TABLE_BITWIDTH> rawspeed::VC5Decompressor::mVC5LogTable

private

Definition at line 103 of file VC5Decompressor.h.

Referenced by combineFinalLowpassBandsImpl(), and initVC5LogTable().

◆ numChannels

int rawspeed::VC5Decompressor::numChannels = 4

staticconstexprprivate

Definition at line 222 of file VC5Decompressor.h.

Referenced by parseVC5().

◆ numHighPassBands

int rawspeed::VC5Decompressor::numHighPassBands = 3

staticconstexprprivate

Definition at line 115 of file VC5Decompressor.h.

◆ numLowPassBands

int rawspeed::VC5Decompressor::numLowPassBands = 1

staticconstexprprivate

Definition at line 116 of file VC5Decompressor.h.

◆ numLowPassBandsTotal

int rawspeed::VC5Decompressor::numLowPassBandsTotal = numWaveletLevels * numChannels

staticconstexprprivate

Definition at line 224 of file VC5Decompressor.h.

◆ numSubbands

int rawspeed::VC5Decompressor::numSubbands

staticconstexprprivate

Initial value:

=

numLowPassBands + (numHighPassBands * numWaveletLevels)

rawspeed::VC5Decompressor::numHighPassBands

static constexpr int numHighPassBands

Definition VC5Decompressor.h:115

rawspeed::VC5Decompressor::numLowPassBands

static constexpr int numLowPassBands

Definition VC5Decompressor.h:116

rawspeed::VC5Decompressor::numWaveletLevels

static constexpr int numWaveletLevels

Definition VC5Decompressor.h:114

Definition at line 117 of file VC5Decompressor.h.

Referenced by parseVC5().

◆ numSubbandsTotal

int rawspeed::VC5Decompressor::numSubbandsTotal = numSubbands * numChannels

staticconstexprprivate

Definition at line 223 of file VC5Decompressor.h.

◆ numWaveletLevels

int rawspeed::VC5Decompressor::numWaveletLevels = 3

staticconstexprprivate

Definition at line 114 of file VC5Decompressor.h.

Referenced by createWaveletBandDecodingTasks(), parseLargeCodeblock(), and parseVC5().

◆ outputBits

int rawspeed::VC5Decompressor::outputBits

private

Definition at line 102 of file VC5Decompressor.h.

Referenced by VC5Decompressor(), and initVC5LogTable().

◆ patternHeight

const uint16_t rawspeed::VC5Decompressor::patternHeight = 2

Definition at line 128 of file VC5Decompressor.h.

◆ patternWidth

const uint16_t rawspeed::VC5Decompressor::patternWidth = 2

Definition at line 127 of file VC5Decompressor.h.

◆ phase

BayerPhase rawspeed::VC5Decompressor::phase

private

Definition at line 99 of file VC5Decompressor.h.

Referenced by VC5Decompressor(), and combineFinalLowpassBands().

◆ quantization

Optional<int16_t> rawspeed::VC5Decompressor::quantization

Definition at line 124 of file VC5Decompressor.h.

◆ VC5_LOG_TABLE_BITWIDTH

auto rawspeed::VC5Decompressor::VC5_LOG_TABLE_BITWIDTH = 12

staticconstexprprivate

Definition at line 101 of file VC5Decompressor.h.

Referenced by parseVC5().

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

librawspeed/decompressors/VC5Decompressor.h
librawspeed/decompressors/VC5Decompressor.cpp

Classes

Public Member Functions

Private Types

Private Member Functions

Static Private Member Functions

Private Attributes

Static Private Attributes

Detailed Description

Member Typedef Documentation

◆ PrefixCodeDecoder

Constructor & Destructor Documentation

◆ VC5Decompressor()

Member Function Documentation

◆ combineFinalLowpassBands()

◆ combineFinalLowpassBandsImpl()

◆ createWaveletBandDecodingTasks()

◆ decode()

◆ decodeThread()

◆ getRLV()

◆ initPrefixCodeDecoder()

◆ initVC5LogTable()

◆ parseLargeCodeblock()

◆ parseVC5()

Member Data Documentation

◆ channels

◆ codeDecoder

◆ cps

◆ iChannel

◆ imgFormat

◆ iSubband

◆ lowpassPrecision

◆ mBs

◆ mRaw

◆ [struct]

◆ mVC5LogTable

◆ numChannels

◆ numHighPassBands

◆ numLowPassBands

◆ numLowPassBandsTotal

◆ numSubbands

◆ numSubbandsTotal

◆ numWaveletLevels

◆ outputBits

◆ patternHeight

◆ patternWidth

◆ phase

◆ quantization

◆ VC5_LOG_TABLE_BITWIDTH