A generic context handler for codecs that return AV_PIX_FMT_DRM_PRIME frames. More...

#include <libmythtv/decoders/mythdrmprimecontext.h>

Inheritance diagram for MythDRMPRIMEContext:

Collaboration diagram for MythDRMPRIMEContext:

Public Member Functions
	MythDRMPRIMEContext (DecoderBase *Parent, MythCodecID CodecID)

	~MythDRMPRIMEContext () override

int	HwDecoderInit (AVCodecContext *Context) override

void	InitVideoCodec (AVCodecContext *Context, bool SelectedStream, bool &DirectRendering) override

bool	RetrieveFrame (AVCodecContext Context, MythVideoFrame Frame, AVFrame *AvFrame) override

bool	DecoderWillResetOnFlush (void) override

bool	GetDRMBuffer (AVCodecContext Context, MythVideoFrame Frame, AVFrame *AvFrame, int)

Public Member Functions inherited from MythCodecContext
	MythCodecContext (DecoderBase *Parent, MythCodecID CodecID)

virtual	~MythCodecContext ()=default

virtual void	InitVideoCodec (AVCodecContext *Context, bool SelectedStream, bool &DirectRendering)

virtual int	HwDecoderInit (AVCodecContext *)

virtual bool	RetrieveFrame (AVCodecContext , MythVideoFrame , AVFrame *)

virtual int	FilteredReceiveFrame (AVCodecContext Context, AVFrame Frame)
	Retrieve and process/filter AVFrame. More...

virtual void	SetDeinterlacing (AVCodecContext , MythVideoProfile , bool)

virtual void	PostProcessFrame (AVCodecContext , MythVideoFrame )

virtual bool	IsDeinterlacing (bool &, bool=false)

virtual void	SetDecoderOptions (AVCodecContext , const AVCodec )

virtual bool	DecoderWillResetOnFlush (void)

virtual bool	DecoderWillResetOnAspect (void)

virtual bool	DecoderNeedsReset (AVCodecContext *)

Static Public Member Functions
static MythCodecID	GetSupportedCodec (AVCodecContext Context, const AVCodec Codec, const QString &Decoder, AVStream *Stream, uint StreamType)

static bool	HavePrimeDecoders (bool Reinit=false, AVCodecID Codec=AV_CODEC_ID_NONE)

static enum AVPixelFormat	GetFormat (AVCodecContext Context, const AVPixelFormat PixFmt)

Static Public Member Functions inherited from MythCodecContext
static MythCodecContext *	CreateContext (DecoderBase *Parent, MythCodecID Codec)

static void	GetDecoders (RenderOptions &Opts, bool Reinit=false)

static QStringList	GetDecoderDescription (void)

static MythCodecID	FindDecoder (const QString &Decoder, AVStream Stream, AVCodecContext Context, const AVCodec *Codec)

static int	GetBuffer (struct AVCodecContext Context, AVFrame Frame, int Flags)
	A generic hardware buffer initialisation method when using AVHWFramesContext. More...

static bool	GetBuffer2 (struct AVCodecContext Context, MythVideoFrame Frame, AVFrame *AvFrame, int Flags)
	A generic hardware buffer initialisation method when AVHWFramesContext is NOT used. More...

static int	InitialiseDecoder (AVCodecContext *Context, CreateHWDecoder Callback, const QString &Debug)
	Initialise a hardware decoder that is expected to use AVHWFramesContext. More...

static int	InitialiseDecoder2 (AVCodecContext *Context, CreateHWDecoder Callback, const QString &Debug)
	Initialise a hardware decoder that is NOT expected to use AVHWFramesContext. More...

static void	ReleaseBuffer (void Opaque, uint8_t Data)

static void	FramesContextFinished (AVHWFramesContext *Context)

static void	DeviceContextFinished (AVHWDeviceContext *Context)

static void	CreateDecoderCallback (void Wait, void Context, void *Callback)

static MythPlayerUI *	GetPlayerUI (AVCodecContext *Context)

static bool	FrameTypeIsSupported (AVCodecContext *Context, VideoFrameType Format)

static AVBufferRef *	CreateDevice (AVHWDeviceType Type, MythInteropGPU *Interop, const QString &Device=QString())

static bool	IsUnsupportedProfile (AVCodecContext *Context)
	Most hardware decoders do not support these codecs/profiles. More...

static QString	GetProfileDescription (CodecProfile Profile, QSize Size, VideoFrameType Format=FMT_NONE, uint ColorDepth=0)

static CodecProfile	FFmpegToMythProfile (AVCodecID CodecID, int Profile)

Static Protected Member Functions
static MythCodecID	GetPrimeCodec (AVCodecContext Context, const AVCodec Codec, AVStream *Stream, MythCodecID Successs, MythCodecID Failure, const QString &CodecName, AVPixelFormat Format)

Static Protected Member Functions inherited from MythCodecContext
static void	DestroyInterop (MythInteropGPU *Interop)

static void	NewHardwareFramesContext (void)
	Track the number of concurrent frames contexts. More...

Protected Attributes
MythOpenGLInterop *	m_interop { nullptr }

Protected Attributes inherited from MythCodecContext
DecoderBase *	m_parent { nullptr }

MythCodecID	m_codecID { kCodec_NONE }

bool	m_resetRequired { false }

Static Protected Attributes
static QRecursiveMutex	s_drmPrimeLock

static QStringList	s_drmPrimeDecoders

Static Protected Attributes inherited from MythCodecContext
static QAtomicInt	s_hwFramesContextCount

Additional Inherited Members
Public Types inherited from MythCodecContext
enum	CodecProfile : std::uint8_t { NoProfile = 0 , MPEG1 , MPEG2 , MPEG2Simple , MPEG2Main , MPEG2422 , MPEG2High , MPEG2Spatial , MPEG2SNR , MPEG4 , MPEG4Simple , MPEG4SimpleScaleable , MPEG4Core , MPEG4Main , MPEG4NBit , MPEG4ScaleableTexture , MPEG4SimpleFace , MPEG4BasicAnimated , MPEG4Hybrid , MPEG4AdvancedRT , MPEG4CoreScaleable , MPEG4AdvancedCoding , MPEG4AdvancedCore , MPEG4AdvancedScaleableTexture , MPEG4SimpleStudio , MPEG4AdvancedSimple , H263 , H264 , H264Baseline , H264ConstrainedBaseline , H264Main , H264MainExtended , H264High , H264High10 , H264Extended , H264High422 , H264High444 , H264ConstrainedHigh , HEVC , HEVCMain , HEVCMain10 , HEVCMainStill , HEVCRext , HEVCMain10HDR , HEVCMain10HDRPlus , VC1 , VC1Simple , VC1Main , VC1Complex , VC1Advanced , VP8 , VP9 , VP9_0 , VP9_1 , VP9_2 , VP9_3 , VP9_2HDR , VP9_2HDRPlus , VP9_3HDR , VP9_3HDRPlus , AV1 , AV1Main , AV1High , AV1Professional , MJPEG }

Protected Member Functions inherited from MythCodecContext
virtual bool	RetrieveHWFrame (MythVideoFrame Frame, AVFrame AvFrame)

Detailed Description

A generic context handler for codecs that return AV_PIX_FMT_DRM_PRIME frames.

Note: There is currently no support for codecs that use AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX or AV_CODEC_HW_CONFIG_METHOD_HW_FRAMES_CTX. They will need additional handling if they are created (all current DRM PRIME codecs use AV_CODEC_HW_CONFIG_METHOD_INTERNAL).; This will currently only pick up the Rockchip/rkmpp decoder on supported platforms. v4l2m2m codecs are filtered out and handled separately as we can detect what actual support is available and handle software based formats as well in the subclass (although the DRM PRIME version of the v4l2m2m codec works fine purely with this class).; The Rockchip/mpp library has support for codec checks via mpp_check_support_format, so it should be easy to add actual decoder check support for these devices.

Todo:: When Rockchip support is complete, refactor this to a pure virtual class and create appropriate sub-classes as needed for the specific codecs.

Definition at line 16 of file mythdrmprimecontext.h.

Constructor & Destructor Documentation

◆ MythDRMPRIMEContext()

MythDRMPRIMEContext::MythDRMPRIMEContext	(	DecoderBase *	Parent,
		MythCodecID	CodecID
	)

Definition at line 33 of file mythdrmprimecontext.cpp.

◆ ~MythDRMPRIMEContext()

MythDRMPRIMEContext::~MythDRMPRIMEContext ( )

override

Definition at line 38 of file mythdrmprimecontext.cpp.

Member Function Documentation

◆ DecoderWillResetOnFlush()

bool MythDRMPRIMEContext::DecoderWillResetOnFlush ( void )

overridevirtual

Reimplemented from MythCodecContext.

Reimplemented in MythV4L2M2MContext.

Definition at line 136 of file mythdrmprimecontext.cpp.

◆ GetDRMBuffer()

bool MythDRMPRIMEContext::GetDRMBuffer	(	AVCodecContext *	Context,
		MythVideoFrame *	Frame,
		AVFrame *	AvFrame,
		int
	)

Definition at line 160 of file mythdrmprimecontext.cpp.

Referenced by RetrieveFrame(), and MythV4L2M2MContext::RetrieveFrame().

◆ GetFormat()

AVPixelFormat MythDRMPRIMEContext::GetFormat	(	AVCodecContext *	Context,
		const AVPixelFormat *	PixFmt
	)

static

Definition at line 149 of file mythdrmprimecontext.cpp.

Referenced by InitVideoCodec().

◆ GetPrimeCodec()

MythCodecID MythDRMPRIMEContext::GetPrimeCodec	(	AVCodecContext **	Context,
		const AVCodec **	Codec,
		AVStream *	Stream,
		MythCodecID	Successs,
		MythCodecID	Failure,
		const QString &	CodecName,
		AVPixelFormat	Format
	)

staticprotected

Definition at line 44 of file mythdrmprimecontext.cpp.

Referenced by GetSupportedCodec(), and MythV4L2M2MContext::GetSupportedCodec().

◆ GetSupportedCodec()

MythCodecID MythDRMPRIMEContext::GetSupportedCodec	(	AVCodecContext **	Context,
		const AVCodec **	Codec,
		const QString &	Decoder,
		AVStream *	Stream,
		uint	StreamType
	)