KODI::RETRO::CDeltaPairMemoryStream Class Reference

Implementation of a linear memory stream using XOR deltas. More...

#include <DeltaPairMemoryStream.h>

Inheritance diagram for KODI::RETRO::CDeltaPairMemoryStream:

Classes
struct	DeltaPair
struct	MemoryFrame

Public Member Functions
	CDeltaPairMemoryStream ()=default
	~CDeltaPairMemoryStream () override=default
void	Reset () override
	Free any resources used by this stream.
uint64_t	PastFramesAvailable () const override
	Return the number of frames behind the current frame.
uint64_t	RewindFrames (uint64_t frameCount) override
	Seek backwards the specified number of frames.
Public Member Functions inherited from KODI::RETRO::CLinearMemoryStream
	CLinearMemoryStream ()
	~CLinearMemoryStream () override=default
void	Init (size_t frameSize, uint64_t maxFrameCount) override
	Initialize memory stream.
void	Reset () override
	Free any resources used by this stream.
size_t	FrameSize () const override
	Return the frame size passed to Init()
uint64_t	MaxFrameCount () const override
	Return the current max frame count.
void	SetMaxFrameCount (uint64_t maxFrameCount) override
	Update the max frame count.
uint8_t *	BeginFrame () override
void	SubmitFrame () override
	Indicate that a frame of size FrameSize() has been written to the location returned from BeginFrame()
const uint8_t *	CurrentFrame () const override
	Get a pointer to the current frame.
uint64_t	FutureFramesAvailable () const override
	Return the number of frames ahead of the current frame.
uint64_t	AdvanceFrames (uint64_t frameCount) override
	Seek ahead the specified number of frames.
uint64_t	GetFrameCounter () const override
	Get the total number of frames played until the current frame.
void	SetFrameCounter (uint64_t frameCount) override
	Set the total number of frames played until the current frame.
Public Member Functions inherited from KODI::RETRO::IMemoryStream
virtual	~IMemoryStream ()=default

Protected Types
using	DeltaPairVector = std::vector<DeltaPair>

Protected Member Functions
void	SubmitFrameInternal () override
void	CullPastFrames (uint64_t frameCount) override
Protected Member Functions inherited from KODI::RETRO::CLinearMemoryStream
uint64_t	BufferSize () const

Protected Attributes
std::deque< MemoryFrame >	m_rewindBuffer
Protected Attributes inherited from KODI::RETRO::CLinearMemoryStream
size_t	m_paddedFrameSize
uint64_t	m_maxFrames
std::unique_ptr< uint32_t[]>	m_currentFrame
std::unique_ptr< uint32_t[]>	m_nextFrame
bool	m_bHasCurrentFrame
bool	m_bHasNextFrame
uint64_t	m_currentFrameHistory

Detailed Description

Implementation of a linear memory stream using XOR deltas.

Member Typedef Documentation

DeltaPairVector

using KODI::RETRO::CDeltaPairMemoryStream::DeltaPairVector = std::vector<DeltaPair>

protected

Constructor & Destructor Documentation

CDeltaPairMemoryStream()

KODI::RETRO::CDeltaPairMemoryStream::CDeltaPairMemoryStream ( )

default

~CDeltaPairMemoryStream()

KODI::RETRO::CDeltaPairMemoryStream::~CDeltaPairMemoryStream ( )

overridedefault

Member Function Documentation

CullPastFrames()

void CDeltaPairMemoryStream::CullPastFrames ( uint64_t frameCount )

overrideprotectedvirtual

Implements KODI::RETRO::CLinearMemoryStream.

PastFramesAvailable()

uint64_t CDeltaPairMemoryStream::PastFramesAvailable ( ) const

overridevirtual

Return the number of frames behind the current frame.

Implements KODI::RETRO::CLinearMemoryStream.

Reset()

void CDeltaPairMemoryStream::Reset ( )

overridevirtual

Free any resources used by this stream.

Implements KODI::RETRO::IMemoryStream.

RewindFrames()

uint64_t CDeltaPairMemoryStream::RewindFrames ( uint64_t frameCount )

overridevirtual

Seek backwards the specified number of frames.

Returns

The number of frames rewound

Implements KODI::RETRO::CLinearMemoryStream.

SubmitFrameInternal()

void CDeltaPairMemoryStream::SubmitFrameInternal ( )

overrideprotectedvirtual

Implements KODI::RETRO::CLinearMemoryStream.

Member Data Documentation

m_rewindBuffer

std::deque<MemoryFrame> KODI::RETRO::CDeltaPairMemoryStream::m_rewindBuffer

protected

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

• DeltaPairMemoryStream.h
• DeltaPairMemoryStream.cpp