#include <drmdevice.h>

Public Member Functions
	cDrmDevice (cVideoRender , const char )
	cDrmDevice constructor

	~cDrmDevice (void)
	cDrmDevice destructor

int	Init (void)
	Initiate the drm device.

int	Fd (void)

void	Close (void)
	Close drm file handle.

uint32_t	ConnectorId (void)

uint64_t	DisplayWidth (void)

uint64_t	DisplayHeight (void)

uint32_t	CrtcId (void)

int	UseZpos (void)

uint64_t	ZposOverlay (void)

uint64_t	ZposPrimary (void)

cDrmPlane *	OsdPlane (void)

cDrmPlane *	VideoPlane (void)

cDrmPlane *	PipPlane (void)

bool	HasPipPlane (void)

int	SetPropertyRequest (drmModeAtomicReqPtr, uint32_t, uint32_t, const char *, uint64_t)
	Add a property to a request.

void	SaveCrtc (void)
	Saves information of a CRTC.

void	RestoreCrtc (void)
	Restore information of a CRTC.

int	HandleEvent (void)
	Polls for a drm event.

int	CreatePropertyBlob (uint32_t *)
	Creates a property blob.

void	InitEvent (void)
	Init the event context.

Private Member Functions
int32_t	FindCrtcForConnector (const drmModeRes , const drmModeConnector )
	Finds the CRTC_ID for the given connector.

Private Attributes
cVideoRender *	m_pRender
	pointer to cVideoRender object

int	m_fdDrm = -1
	drm file descriptor

uint32_t	m_connectorId
	connector id

drmModeModeInfo	m_drmModeInfo
	mode info

uint32_t	m_crtcId
	current crtc ID

uint32_t	m_crtcIndex
	current crtc index

drmModeCrtc *	m_drmModeCrtcSaved
	saved CRTC infos

drmEventContext	m_drmEventCtx
	drm event context

int	m_userReqDisplayWidth = 0
	user requested display width

int	m_userReqDisplayHeight
	user requested display height

uint32_t	m_userReqDisplayRefreshRate
	user requested display refresh rate

bool	m_useZpos = false
	is set, if drm hardware can use zpos

uint64_t	m_zposOverlay = 0
	zpos of overlay plane

uint64_t	m_zposPrimary = 0
	zpos of primary plane

cDrmPlane	m_videoPlane
	the video drm plane

cDrmPlane	m_osdPlane
	the osd drm plane

uint64_t	m_zposPip = 0
	zpos of pip plane

cDrmPlane	m_pipPlane
	the pip drm plane

Detailed Description

Definition at line 45 of file drmdevice.h.

Constructor & Destructor Documentation

◆ cDrmDevice()

cDrmDevice::cDrmDevice	(	cVideoRender *	render,
		const char *	resolution
	)

cDrmDevice constructor

Parameters

render	pointer to cVideoRender object
resolution	display resolution string set by user

Definition at line 59 of file drmdevice.cpp.

References m_userReqDisplayHeight, m_userReqDisplayRefreshRate, and m_userReqDisplayWidth.

◆ ~cDrmDevice()

cDrmDevice::~cDrmDevice ( void )

cDrmDevice destructor

Definition at line 69 of file drmdevice.cpp.

References L_DRM, and LOGDEBUG2.

Member Function Documentation

◆ Close()

void cDrmDevice::Close ( void )

Close drm file handle.

Definition at line 933 of file drmdevice.cpp.

References L_DRM, LOGDEBUG2, and m_fdDrm.

Referenced by cVideoRender::Exit().

◆ ConnectorId()

uint32_t cDrmDevice::ConnectorId ( void )

inline

Definition at line 56 of file drmdevice.h.

References m_connectorId.

Referenced by cVideoRender::Init().

◆ CreatePropertyBlob()

int cDrmDevice::CreatePropertyBlob ( uint32_t * modeID )

Creates a property blob.

Definition at line 945 of file drmdevice.cpp.

References m_drmModeInfo, and m_fdDrm.

Referenced by cVideoRender::Init().

◆ CrtcId()

uint32_t cDrmDevice::CrtcId ( void )

inline

Definition at line 61 of file drmdevice.h.

References m_crtcId.

Referenced by cVideoRender::Init(), cVideoRender::SetOsdBuffer(), cVideoRender::SetPipBuffer(), and cVideoRender::SetVideoBuffer().

◆ DisplayHeight()

uint64_t cDrmDevice::DisplayHeight ( void )

inline

Definition at line 59 of file drmdevice.h.

References m_drmModeInfo.

Referenced by cVideoRender::Init(), cVideoRender::SetPipBuffer(), and cVideoRender::SetVideoBuffer().

◆ DisplayWidth()

uint64_t cDrmDevice::DisplayWidth ( void )

inline

Definition at line 58 of file drmdevice.h.

References m_drmModeInfo.

Referenced by cVideoRender::Init(), cVideoRender::SetPipBuffer(), and cVideoRender::SetVideoBuffer().

◆ Fd()

int cDrmDevice::Fd ( void )

inline

Definition at line 52 of file drmdevice.h.

References m_fdDrm.

Referenced by cVideoRender::CommitBuffer(), cVideoRender::Init(), and cVideoRender::PushFrame().

◆ FindCrtcForConnector()

int32_t cDrmDevice::FindCrtcForConnector	(	const drmModeRes *	resources,
		const drmModeConnector *	connector
	)

private

Finds the CRTC_ID for the given connector.

Definition at line 910 of file drmdevice.cpp.

References FindCrtcForEncoder(), and m_fdDrm.

Referenced by Init().

◆ HandleEvent()

int cDrmDevice::HandleEvent ( void )

Polls for a drm event.

Definition at line 1007 of file drmdevice.cpp.

References m_drmEventCtx, and m_fdDrm.

Referenced by cVideoRender::DrmHandleEvent(), and cVideoRender::PageFlip().

◆ HasPipPlane()

bool cDrmDevice::HasPipPlane ( void )

inline

Definition at line 69 of file drmdevice.h.

References cDrmPlane::GetId(), and m_pipPlane.

Referenced by cVideoRender::Init().

◆ Init()

int cDrmDevice::Init ( void )

Initiate the drm device.

Returns: 0 on success, a negative value on error

Definition at line 236 of file drmdevice.cpp.

References cDrmPlane::FillProperties(), FindCrtcForConnector(), FindDrmConnector(), FindDrmDevice(), cDrmPlane::GetId(), GetPropertyValue(), cDrmPlane::GetType(), cDrmPlane::GetZpos(), cDrmPlane::HasZpos(), L_DRM, LOGDEBUG2, LOGERROR, LOGFATAL, LOGINFO, LOGWARNING, m_connectorId, m_crtcId, m_crtcIndex, m_drmModeInfo, m_fdDrm, m_osdPlane, m_pipPlane, m_pRender, m_userReqDisplayHeight, m_userReqDisplayRefreshRate, m_userReqDisplayWidth, m_useZpos, m_videoPlane, m_zposOverlay, m_zposPip, m_zposPrimary, cDrmPlane::SetId(), cVideoRender::SetScreenSize(), cDrmPlane::SetType(), and cDrmPlane::SetZpos().

Referenced by cVideoRender::Init().

◆ InitEvent()

void cDrmDevice::InitEvent ( void )

Init the event context.

Definition at line 1015 of file drmdevice.cpp.

References m_drmEventCtx.

Referenced by cVideoRender::Init().

◆ OsdPlane()

cDrmPlane * cDrmDevice::OsdPlane ( void )

inline

Definition at line 66 of file drmdevice.h.

References m_osdPlane.

Referenced by cVideoRender::CommitBuffer(), cVideoRender::Exit(), cVideoRender::Init(), and cVideoRender::SetOsdBuffer().

◆ PipPlane()

cDrmPlane * cDrmDevice::PipPlane ( void )

inline

Definition at line 68 of file drmdevice.h.

References m_pipPlane.

Referenced by cVideoRender::CommitBuffer(), and cVideoRender::SetPipBuffer().

◆ RestoreCrtc()

void cDrmDevice::RestoreCrtc ( void )

Restore information of a CRTC.

Definition at line 995 of file drmdevice.cpp.

References m_connectorId, m_drmModeCrtcSaved, and m_fdDrm.

Referenced by cVideoRender::Exit().

◆ SaveCrtc()

void cDrmDevice::SaveCrtc ( void )

Saves information of a CRTC.

Definition at line 987 of file drmdevice.cpp.

References m_crtcId, m_drmModeCrtcSaved, and m_fdDrm.

Referenced by cVideoRender::Init().

◆ SetPropertyRequest()

int cDrmDevice::SetPropertyRequest	(	drmModeAtomicReqPtr	ModeReq,
		uint32_t	objectID,
		uint32_t	objectType,
		const char *	propName,
		uint64_t	value
	)

Add a property to a request.

Definition at line 953 of file drmdevice.cpp.

References L_DRM, LOGDEBUG2, and m_fdDrm.

Referenced by cVideoRender::Init().

◆ UseZpos()

int cDrmDevice::UseZpos ( void )

inline

Definition at line 62 of file drmdevice.h.

References m_useZpos.

Referenced by cVideoRender::Init(), and cVideoRender::SetOsdBuffer().

◆ VideoPlane()

cDrmPlane * cDrmDevice::VideoPlane ( void )

inline

Definition at line 67 of file drmdevice.h.

References m_videoPlane.

Referenced by cVideoRender::CommitBuffer(), cVideoRender::Exit(), cVideoRender::Init(), cVideoRender::SetOsdBuffer(), and cVideoRender::SetVideoBuffer().

◆ ZposOverlay()

uint64_t cDrmDevice::ZposOverlay ( void )

inline

Definition at line 63 of file drmdevice.h.

References m_zposOverlay.

Referenced by cVideoRender::Init(), and cVideoRender::SetOsdBuffer().

◆ ZposPrimary()

uint64_t cDrmDevice::ZposPrimary ( void )

inline

Definition at line 64 of file drmdevice.h.

References m_zposPrimary.

Referenced by cVideoRender::Init(), and cVideoRender::SetOsdBuffer().

Member Data Documentation

◆ m_connectorId

uint32_t cDrmDevice::m_connectorId

private

connector id

Definition at line 91 of file drmdevice.h.

Referenced by ConnectorId(), Init(), and RestoreCrtc().

◆ m_crtcId

uint32_t cDrmDevice::m_crtcId

private

current crtc ID

Definition at line 93 of file drmdevice.h.

Referenced by CrtcId(), Init(), and SaveCrtc().

◆ m_crtcIndex

uint32_t cDrmDevice::m_crtcIndex

private

current crtc index

Definition at line 94 of file drmdevice.h.

Referenced by Init().

◆ m_drmEventCtx

drmEventContext cDrmDevice::m_drmEventCtx

private

drm event context

Definition at line 96 of file drmdevice.h.

Referenced by HandleEvent(), and InitEvent().

◆ m_drmModeCrtcSaved

drmModeCrtc* cDrmDevice::m_drmModeCrtcSaved

private

saved CRTC infos

Definition at line 95 of file drmdevice.h.

Referenced by RestoreCrtc(), and SaveCrtc().

◆ m_drmModeInfo

drmModeModeInfo cDrmDevice::m_drmModeInfo

private

mode info

Definition at line 92 of file drmdevice.h.

Referenced by CreatePropertyBlob(), DisplayHeight(), DisplayWidth(), and Init().

◆ m_fdDrm

int cDrmDevice::m_fdDrm = -1

private

drm file descriptor

Definition at line 90 of file drmdevice.h.

Referenced by Close(), CreatePropertyBlob(), Fd(), FindCrtcForConnector(), HandleEvent(), Init(), RestoreCrtc(), SaveCrtc(), and SetPropertyRequest().

◆ m_osdPlane

cDrmPlane cDrmDevice::m_osdPlane

private

the osd drm plane

Definition at line 106 of file drmdevice.h.

Referenced by Init(), and OsdPlane().

◆ m_pipPlane

cDrmPlane cDrmDevice::m_pipPlane

private

the pip drm plane

Definition at line 108 of file drmdevice.h.

Referenced by HasPipPlane(), Init(), and PipPlane().

◆ m_pRender

cVideoRender* cDrmDevice::m_pRender

private

pointer to cVideoRender object

Definition at line 88 of file drmdevice.h.

Referenced by Init().

◆ m_userReqDisplayHeight

int cDrmDevice::m_userReqDisplayHeight

private

user requested display height

Definition at line 99 of file drmdevice.h.

Referenced by cDrmDevice(), and Init().

◆ m_userReqDisplayRefreshRate

uint32_t cDrmDevice::m_userReqDisplayRefreshRate

private

user requested display refresh rate

Definition at line 100 of file drmdevice.h.

Referenced by cDrmDevice(), and Init().

◆ m_userReqDisplayWidth

int cDrmDevice::m_userReqDisplayWidth = 0

private

user requested display width

Definition at line 98 of file drmdevice.h.

Referenced by cDrmDevice(), and Init().

◆ m_useZpos

bool cDrmDevice::m_useZpos = false

private

is set, if drm hardware can use zpos

Definition at line 102 of file drmdevice.h.

Referenced by Init(), and UseZpos().

◆ m_videoPlane

cDrmPlane cDrmDevice::m_videoPlane

private

the video drm plane

Definition at line 105 of file drmdevice.h.

Referenced by Init(), and VideoPlane().

◆ m_zposOverlay

uint64_t cDrmDevice::m_zposOverlay = 0

private

zpos of overlay plane

Definition at line 103 of file drmdevice.h.

Referenced by Init(), and ZposOverlay().

◆ m_zposPip

uint64_t cDrmDevice::m_zposPip = 0

private

zpos of pip plane

Definition at line 107 of file drmdevice.h.

Referenced by Init().

◆ m_zposPrimary

uint64_t cDrmDevice::m_zposPrimary = 0

private

zpos of primary plane

Definition at line 104 of file drmdevice.h.

Referenced by Init(), and ZposPrimary().

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

Public Member Functions

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ cDrmDevice()

◆ ~cDrmDevice()

Member Function Documentation

◆ Close()

◆ ConnectorId()

◆ CreatePropertyBlob()

◆ CrtcId()

◆ DisplayHeight()

◆ DisplayWidth()

◆ Fd()

◆ FindCrtcForConnector()

◆ HandleEvent()

◆ HasPipPlane()

◆ Init()

◆ InitEvent()

◆ OsdPlane()

◆ PipPlane()

◆ RestoreCrtc()

◆ SaveCrtc()

◆ SetPropertyRequest()

◆ UseZpos()

◆ VideoPlane()

◆ ZposOverlay()

◆ ZposPrimary()

Member Data Documentation

◆ m_connectorId

◆ m_crtcId

◆ m_crtcIndex

◆ m_drmEventCtx

◆ m_drmModeCrtcSaved

◆ m_drmModeInfo

◆ m_fdDrm

◆ m_osdPlane

◆ m_pipPlane

◆ m_pRender

◆ m_userReqDisplayHeight

◆ m_userReqDisplayRefreshRate

◆ m_userReqDisplayWidth

◆ m_useZpos

◆ m_videoPlane

◆ m_zposOverlay

◆ m_zposPip

◆ m_zposPrimary