MythDVDContext Class Reference

Encapsulates playback context at any given moment. More...

#include <libmythtv/DVD/mythdvdcontext.h>

Inheritance diagram for MythDVDContext:

Collaboration diagram for MythDVDContext:

Public Member Functions
	MythDVDContext ()=delete
	~MythDVDContext () override=default
int64_t	GetStartPTS (void) const
int64_t	GetEndPTS (void) const
int64_t	GetSeqEndPTS (void) const
uint32_t	GetLBA (void) const
uint32_t	GetLBAPrevVideoFrame (void) const
	Returns the logical block address of the previous VOBU containing video. More...
int	GetNumFrames (void) const
	Returns the duration of this VOBU in frames. More...
int	GetNumFramesPresent (void) const
	Returns the number of video frames present in this VOBU. More...
int	GetFPS (void) const
Public Member Functions inherited from ReferenceCounter
	ReferenceCounter (const QString &debugName, bool logDebug=true)
	Creates reference counter with an initial value of 1. More...
virtual int	IncrRef (void)
	Increments reference count. More...
virtual int	DecrRef (void)
	Decrements reference count and deletes on 0. More...

Protected Member Functions
	MythDVDContext (const dsi_t &DSI, const pci_t &PCI)
Protected Member Functions inherited from ReferenceCounter
virtual	~ReferenceCounter (void)
	Called on destruction, will warn if object deleted with references in place. More...

Protected Attributes
dsi_t	m_dsi
pci_t	m_pci
Protected Attributes inherited from ReferenceCounter
bool	m_logDebug
	This is used to suppress creating LoggingItem classes for LoggingItem reference count changes. More...
QAtomicInt	m_referenceCount {1}

Friends
class	MythDVDBuffer

Additional Inherited Members
Static Public Member Functions inherited from ReferenceCounter
static void	PrintDebug (void)
	Print out any leaks if that level of debugging is enabled. More...

Detailed Description

Encapsulates playback context at any given moment.

This class mainly represents a single VOBU (video object unit) on a DVD

Definition at line 16 of file mythdvdcontext.h.

Constructor & Destructor Documentation

MythDVDContext() [1/2]

MythDVDContext::MythDVDContext ( )

delete

~MythDVDContext()

MythDVDContext::~MythDVDContext ( )

overridedefault

MythDVDContext() [2/2]

MythDVDContext::MythDVDContext ( const dsi_t &  DSI, const pci_t &  PCI  )

protected

Definition at line 7 of file mythdvdcontext.cpp.

Member Function Documentation

GetEndPTS()

int64_t MythDVDContext::GetEndPTS

(

void

)

const

Definition at line 19 of file mythdvdcontext.cpp.

Referenced by MythDVDDecoder::CheckContext(), and GetNumFrames().

GetFPS()

int MythDVDContext::GetFPS

(

void

)

const

Definition at line 64 of file mythdvdcontext.cpp.

Referenced by GetNumFrames(), and GetNumFramesPresent().

GetLBA()

uint32_t MythDVDContext::GetLBA

(

void

)

const

Definition at line 29 of file mythdvdcontext.cpp.

Referenced by MythDVDDecoder::CheckContext(), GetLBAPrevVideoFrame(), MythDVDDecoder::ProcessVideoPacket(), and MythDVDBuffer::SafeRead().

GetLBAPrevVideoFrame()

uint32_t MythDVDContext::GetLBAPrevVideoFrame

(

void

)

const

Returns the logical block address of the previous VOBU containing video.

Returns

LBA or 0xbfffffff if no previous VOBU with video exists

Definition at line 73 of file mythdvdcontext.cpp.

Referenced by MythDVDDecoder::CheckContext().

GetNumFrames()

int MythDVDContext::GetNumFrames

(

void

)

const

Returns the duration of this VOBU in frames.

See also

GetNumFramesPresent

Definition at line 37 of file mythdvdcontext.cpp.

Referenced by MythDVDDecoder::CheckContext(), GetNumFramesPresent(), and MythDVDDecoder::ProcessVideoPacket().

GetNumFramesPresent()

int MythDVDContext::GetNumFramesPresent

(

void

)

const

Returns the number of video frames present in this VOBU.

See also

GetNumFrames

Definition at line 45 of file mythdvdcontext.cpp.

Referenced by MythDVDDecoder::CheckContext(), and MythDVDDecoder::ProcessVideoPacket().

GetSeqEndPTS()

int64_t MythDVDContext::GetSeqEndPTS

(

void

)

const

Definition at line 24 of file mythdvdcontext.cpp.

Referenced by GetNumFramesPresent(), and MythDVDDecoder::ProcessVideoPacket().

GetStartPTS()

int64_t MythDVDContext::GetStartPTS

(

void

)

const

Definition at line 14 of file mythdvdcontext.cpp.

Referenced by GetNumFrames(), GetNumFramesPresent(), MythDVDDecoder::ProcessDataPacket(), and MythDVDBuffer::SafeRead().

Friends And Related Function Documentation

MythDVDBuffer

friend class MythDVDBuffer

friend

Definition at line 18 of file mythdvdcontext.h.

Member Data Documentation

m_dsi

dsi_t MythDVDContext::m_dsi

protected

Definition at line 37 of file mythdvdcontext.h.

Referenced by GetLBAPrevVideoFrame(), and GetNumFramesPresent().

m_pci

pci_t MythDVDContext::m_pci

protected

Definition at line 38 of file mythdvdcontext.h.

Referenced by GetEndPTS(), GetFPS(), GetLBA(), GetSeqEndPTS(), and GetStartPTS().

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

• mythtv/libs/libmythtv/DVD/mythdvdcontext.h
• mythtv/libs/libmythtv/DVD/mythdvdcontext.cpp