MythVDPAUHelper Class Reference

A simple wrapper around VDPAU functionality. More...

#include <mythvdpauhelper.h>

Inheritance diagram for MythVDPAUHelper:

Collaboration diagram for MythVDPAUHelper:

Public Types
enum	VDPMixerFeature { VDPMixerNone = 0x00, VDPMixerTemporal = 0x01, VDPMixerSpatial = 0x02 }

Signals
void	DisplayPreempted (void)

Public Member Functions
	MythVDPAUHelper (AVVDPAUDeviceContext *Context)
	~MythVDPAUHelper (void) override
bool	IsValid (void) const
void	SetPreempted (void)
bool	IsFeatureAvailable (uint Feature)
bool	IsAttributeAvailable (uint Attribute)
VdpOutputSurface	CreateOutputSurface (QSize Size)
VdpVideoMixer	CreateMixer (QSize Size, VdpChromaType ChromaType=VDP_CHROMA_TYPE_420, MythDeintType Deinterlacer=DEINT_BASIC)
void	MixerRender (VdpVideoMixer Mixer, VdpVideoSurface Source, VdpOutputSurface Dest, FrameScanType Scan, int TopFieldFirst, QVector< AVBufferRef * > &Frames)
void	SetCSCMatrix (VdpVideoMixer Mixer, MythVideoColourSpace *ColourSpace)
void	DeleteOutputSurface (VdpOutputSurface Surface)
void	DeleteMixer (VdpVideoMixer Mixer)
QSize	GetSurfaceParameters (VdpVideoSurface Surface, VdpChromaType &Chroma)

Static Public Member Functions
static bool	HaveVDPAU (bool Reinit=false)
static bool	CheckH264Decode (AVCodecContext *Context)
static const VDPAUProfiles &	GetProfiles (void)
static void	GetDecoderList (QStringList &Decoders)

Protected Member Functions
	MythVDPAUHelper (void)
bool	H264DecodeCheck (VdpDecoderProfile Profile, AVCodecContext *Context)
bool	HEVCSupported (void)
bool	ProfileCheck (VdpDecoderProfile Profile, uint32_t &Level, uint32_t &Macros, uint32_t &Width, uint32_t &Height)

Private Member Functions
bool	InitProcs (void)

Private Attributes
bool	m_valid { false }
bool	m_createdDevice { false }
VdpDevice	m_device { 0 }
MythXDisplay *	m_display { nullptr }
VdpGetProcAddress *	m_vdpGetProcAddress { nullptr }
VdpGetErrorString *	m_vdpGetErrorString { nullptr }
VdpGetInformationString *	m_vdpGetInformationString { nullptr }
VdpDeviceDestroy *	m_vdpDeviceDestroy { nullptr }
VdpDecoderQueryCapabilities *	m_vdpDecoderQueryCapabilities { nullptr }
VdpDecoderCreate *	m_vdpDecoderCreate { nullptr }
VdpDecoderDestroy *	m_vdpDecoderDestroy { nullptr }
VdpVideoMixerCreate *	m_vdpVideoMixerCreate { nullptr }
VdpVideoMixerDestroy *	m_vdpVideoMixerDestroy { nullptr }
VdpVideoMixerRender *	m_vdpVideoMixerRender { nullptr }
VdpVideoMixerSetAttributeValues *	m_vdpVideoMixerSetAttributeValues { nullptr }
VdpVideoMixerSetFeatureEnables *	m_vdpVideoMixerSetFeatureEnables { nullptr }
VdpVideoMixerQueryFeatureSupport *	m_vdpVideoMixerQueryFeatureSupport { nullptr }
VdpVideoMixerQueryAttributeSupport *	m_vdpVideoMixerQueryAttributeSupport { nullptr }
VdpOutputSurfaceCreate *	m_vdpOutputSurfaceCreate { nullptr }
VdpOutputSurfaceDestroy *	m_vdpOutputSurfaceDestroy { nullptr }
VdpVideoSurfaceGetParameters *	m_vdpVideoSurfaceGetParameters { nullptr }
VdpPreemptionCallbackRegister *	m_vdpPreemptionCallbackRegister { nullptr }

Detailed Description

A simple wrapper around VDPAU functionality.

Definition at line 52 of file mythvdpauhelper.h.

Member Enumeration Documentation

VDPMixerFeature

enum MythVDPAUHelper::VDPMixerFeature

Enumerator
VDPMixerNone
VDPMixerTemporal
VDPMixerSpatial

Definition at line 57 of file mythvdpauhelper.h.

Constructor & Destructor Documentation

MythVDPAUHelper() [1/2]

MythVDPAUHelper::MythVDPAUHelper ( AVVDPAUDeviceContext *  Context )

explicit

Definition at line 236 of file mythvdpauhelper.cpp.

~MythVDPAUHelper()

MythVDPAUHelper::~MythVDPAUHelper ( void  )

override

Definition at line 279 of file mythvdpauhelper.cpp.

MythVDPAUHelper() [2/2]

MythVDPAUHelper::MythVDPAUHelper ( void  )

protected

Definition at line 256 of file mythvdpauhelper.cpp.

Member Function Documentation

HaveVDPAU()

bool MythVDPAUHelper::HaveVDPAU ( bool  Reinit = false )

static

Definition at line 55 of file mythvdpauhelper.cpp.

Referenced by MythCodecContext::GetDecoders(), MythVDPAUContext::GetSupportedCodec(), and MythVDPAUInterop::GetVDPAUTypes().

CheckH264Decode()

bool MythVDPAUHelper::CheckH264Decode ( AVCodecContext *  Context )

static

Definition at line 348 of file mythvdpauhelper.cpp.

Referenced by MythVDPAUContext::GetSupportedCodec().

GetProfiles()

const VDPAUProfiles & MythVDPAUHelper::GetProfiles ( void  )

static

Definition at line 122 of file mythvdpauhelper.cpp.

Referenced by GetDecoderList(), MythVDPAUContext::GetSupportedCodec(), and HaveVDPAU().

GetDecoderList()

void MythVDPAUHelper::GetDecoderList ( QStringList &  Decoders )

static

Definition at line 214 of file mythvdpauhelper.cpp.

Referenced by MythCodecContext::GetDecoderDescription().

IsValid()

bool MythVDPAUHelper::IsValid

(

void

)

const

Definition at line 317 of file mythvdpauhelper.cpp.

Referenced by CheckH264Decode(), GetProfiles(), HaveVDPAU(), and MythVDPAUInterop::InitNV().

SetPreempted()

void MythVDPAUHelper::SetPreempted

(

void

)

Definition at line 322 of file mythvdpauhelper.cpp.

Referenced by vdpau_preemption_callback().

IsFeatureAvailable()

bool MythVDPAUHelper::IsFeatureAvailable

(

uint

Feature

)

Definition at line 564 of file mythvdpauhelper.cpp.

IsAttributeAvailable()

bool MythVDPAUHelper::IsAttributeAvailable

(

uint

Attribute

)

Definition at line 576 of file mythvdpauhelper.cpp.

Referenced by MythVDPAUInterop::Acquire().

CreateOutputSurface()

VdpOutputSurface MythVDPAUHelper::CreateOutputSurface

(

QSize

Size

)

Definition at line 406 of file mythvdpauhelper.cpp.

Referenced by MythVDPAUInterop::InitVDPAU().

CreateMixer()

VdpVideoMixer MythVDPAUHelper::CreateMixer	(	QSize	Size,
		VdpChromaType	ChromaType = VDP_CHROMA_TYPE_420,
		MythDeintType	Deinterlacer = DEINT_BASIC
	)

Definition at line 430 of file mythvdpauhelper.cpp.

Referenced by MythVDPAUInterop::InitVDPAU().

MixerRender()

void MythVDPAUHelper::MixerRender	(	VdpVideoMixer	Mixer,
		VdpVideoSurface	Source,
		VdpOutputSurface	Dest,
		FrameScanType	Scan,
		int	TopFieldFirst,
		QVector< AVBufferRef * > &	Frames
	)

Definition at line 485 of file mythvdpauhelper.cpp.

Referenced by MythVDPAUInterop::Acquire().

SetCSCMatrix()

void MythVDPAUHelper::SetCSCMatrix	(	VdpVideoMixer	Mixer,
		MythVideoColourSpace *	ColourSpace
	)

Definition at line 551 of file mythvdpauhelper.cpp.

Referenced by MythVDPAUInterop::UpdateColourSpace().

DeleteOutputSurface()

void MythVDPAUHelper::DeleteOutputSurface

(

VdpOutputSurface

Surface

)

Definition at line 420 of file mythvdpauhelper.cpp.

Referenced by MythVDPAUInterop::Cleanup().

DeleteMixer()

void MythVDPAUHelper::DeleteMixer

(

VdpVideoMixer

Mixer

)

Definition at line 541 of file mythvdpauhelper.cpp.

Referenced by MythVDPAUInterop::Cleanup().

GetSurfaceParameters()

QSize MythVDPAUHelper::GetSurfaceParameters	(	VdpVideoSurface	Surface,
		VdpChromaType &	Chroma
	)

Definition at line 588 of file mythvdpauhelper.cpp.

Referenced by MythVDPAUInterop::InitVDPAU().

DisplayPreempted

void MythVDPAUHelper::DisplayPreempted ( void  )

signal

Referenced by MythVDPAUInterop::InitNV(), and SetPreempted().

H264DecodeCheck()

bool MythVDPAUHelper::H264DecodeCheck ( VdpDecoderProfile  Profile, AVCodecContext *  Context  )

protected

Definition at line 386 of file mythvdpauhelper.cpp.

Referenced by CheckH264Decode().

HEVCSupported()

bool MythVDPAUHelper::HEVCSupported ( void  )

protected

Definition at line 327 of file mythvdpauhelper.cpp.

Referenced by GetProfiles().

ProfileCheck()

bool MythVDPAUHelper::ProfileCheck ( VdpDecoderProfile  Profile, uint32_t &  Level, uint32_t &  Macros, uint32_t &  Width, uint32_t &  Height  )

protected

Definition at line 86 of file mythvdpauhelper.cpp.

Referenced by GetProfiles().

InitProcs()

bool MythVDPAUHelper::InitProcs ( void  )

private

Definition at line 288 of file mythvdpauhelper.cpp.

Referenced by MythVDPAUHelper().

Member Data Documentation

m_valid

bool MythVDPAUHelper::m_valid { false }

private

Definition at line 103 of file mythvdpauhelper.h.

Referenced by CreateMixer(), CreateOutputSurface(), H264DecodeCheck(), HEVCSupported(), IsAttributeAvailable(), IsFeatureAvailable(), IsValid(), MixerRender(), and MythVDPAUHelper().

m_createdDevice

bool MythVDPAUHelper::m_createdDevice { false }

private

Definition at line 104 of file mythvdpauhelper.h.

Referenced by ~MythVDPAUHelper().

m_device

VdpDevice MythVDPAUHelper::m_device { 0 }

private

Definition at line 105 of file mythvdpauhelper.h.

Referenced by CreateMixer(), CreateOutputSurface(), H264DecodeCheck(), IsAttributeAvailable(), IsFeatureAvailable(), MythVDPAUHelper(), ProfileCheck(), and ~MythVDPAUHelper().

m_display

MythXDisplay* MythVDPAUHelper::m_display { nullptr }

private

Definition at line 106 of file mythvdpauhelper.h.

Referenced by MythVDPAUHelper(), and ~MythVDPAUHelper().

m_vdpGetProcAddress

VdpGetProcAddress* MythVDPAUHelper::m_vdpGetProcAddress { nullptr }

private

Definition at line 108 of file mythvdpauhelper.h.

Referenced by MythVDPAUHelper().

m_vdpGetErrorString

VdpGetErrorString* MythVDPAUHelper::m_vdpGetErrorString { nullptr }

private

Definition at line 109 of file mythvdpauhelper.h.

Referenced by InitProcs(), and MythVDPAUHelper().

m_vdpGetInformationString

VdpGetInformationString* MythVDPAUHelper::m_vdpGetInformationString { nullptr }

private

Definition at line 110 of file mythvdpauhelper.h.

Referenced by HEVCSupported(), and InitProcs().

m_vdpDeviceDestroy

VdpDeviceDestroy* MythVDPAUHelper::m_vdpDeviceDestroy { nullptr }

private

Definition at line 111 of file mythvdpauhelper.h.

Referenced by InitProcs(), and ~MythVDPAUHelper().

m_vdpDecoderQueryCapabilities

VdpDecoderQueryCapabilities* MythVDPAUHelper::m_vdpDecoderQueryCapabilities { nullptr }

private

Definition at line 112 of file mythvdpauhelper.h.

Referenced by InitProcs(), and ProfileCheck().

m_vdpDecoderCreate

VdpDecoderCreate* MythVDPAUHelper::m_vdpDecoderCreate { nullptr }

private

Definition at line 113 of file mythvdpauhelper.h.

Referenced by H264DecodeCheck(), and InitProcs().

m_vdpDecoderDestroy

VdpDecoderDestroy* MythVDPAUHelper::m_vdpDecoderDestroy { nullptr }

private

Definition at line 114 of file mythvdpauhelper.h.

Referenced by H264DecodeCheck(), and InitProcs().

m_vdpVideoMixerCreate

VdpVideoMixerCreate* MythVDPAUHelper::m_vdpVideoMixerCreate { nullptr }

private

Definition at line 115 of file mythvdpauhelper.h.

Referenced by CreateMixer(), and InitProcs().

m_vdpVideoMixerDestroy

VdpVideoMixerDestroy* MythVDPAUHelper::m_vdpVideoMixerDestroy { nullptr }

private

Definition at line 116 of file mythvdpauhelper.h.

Referenced by DeleteMixer(), and InitProcs().

m_vdpVideoMixerRender

VdpVideoMixerRender* MythVDPAUHelper::m_vdpVideoMixerRender { nullptr }

private

Definition at line 117 of file mythvdpauhelper.h.

Referenced by InitProcs(), and MixerRender().

m_vdpVideoMixerSetAttributeValues

VdpVideoMixerSetAttributeValues* MythVDPAUHelper::m_vdpVideoMixerSetAttributeValues { nullptr }

private

Definition at line 118 of file mythvdpauhelper.h.

Referenced by InitProcs(), and SetCSCMatrix().

m_vdpVideoMixerSetFeatureEnables

VdpVideoMixerSetFeatureEnables* MythVDPAUHelper::m_vdpVideoMixerSetFeatureEnables { nullptr }

private

Definition at line 119 of file mythvdpauhelper.h.

Referenced by CreateMixer(), and InitProcs().

m_vdpVideoMixerQueryFeatureSupport

VdpVideoMixerQueryFeatureSupport* MythVDPAUHelper::m_vdpVideoMixerQueryFeatureSupport { nullptr }

private

Definition at line 120 of file mythvdpauhelper.h.

Referenced by InitProcs(), and IsFeatureAvailable().

m_vdpVideoMixerQueryAttributeSupport

VdpVideoMixerQueryAttributeSupport* MythVDPAUHelper::m_vdpVideoMixerQueryAttributeSupport { nullptr }

private

Definition at line 121 of file mythvdpauhelper.h.

Referenced by InitProcs(), and IsAttributeAvailable().

m_vdpOutputSurfaceCreate

VdpOutputSurfaceCreate* MythVDPAUHelper::m_vdpOutputSurfaceCreate { nullptr }

private

Definition at line 122 of file mythvdpauhelper.h.

Referenced by CreateOutputSurface(), and InitProcs().

m_vdpOutputSurfaceDestroy

VdpOutputSurfaceDestroy* MythVDPAUHelper::m_vdpOutputSurfaceDestroy { nullptr }

private

Definition at line 123 of file mythvdpauhelper.h.

Referenced by DeleteOutputSurface(), and InitProcs().

m_vdpVideoSurfaceGetParameters

VdpVideoSurfaceGetParameters* MythVDPAUHelper::m_vdpVideoSurfaceGetParameters { nullptr }

private

Definition at line 124 of file mythvdpauhelper.h.

Referenced by GetSurfaceParameters(), and InitProcs().

m_vdpPreemptionCallbackRegister

VdpPreemptionCallbackRegister* MythVDPAUHelper::m_vdpPreemptionCallbackRegister { nullptr }

private

Definition at line 125 of file mythvdpauhelper.h.

Referenced by InitProcs(), MythVDPAUHelper(), and ~MythVDPAUHelper().

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

• mythvdpauhelper.h
• mythvdpauhelper.cpp