MythAVCopy Class Reference

#include <libmythtv/mythavutil.h>

Collaboration diagram for MythAVCopy:

Public Member Functions
	MythAVCopy ()=default
	~MythAVCopy ()
int	Copy (AVFrame *To, const MythVideoFrame *From, unsigned char *Buffer, AVPixelFormat Fmt=AV_PIX_FMT_YUV420P)
	Initialise AVFrame and copy contents of VideoFrame frame into it, performing any required conversion. More...
int	Copy (AVFrame *To, AVPixelFormat ToFmt, const AVFrame *From, AVPixelFormat FromFmt, int Width, int Height)

Private Member Functions
int	SizeData (int Width, int Height, AVPixelFormat Fmt)

Private Attributes
AVPixelFormat	m_format { AV_PIX_FMT_NONE }
SwsContext *	m_swsctx { nullptr }
int	m_width { 0 }
int	m_height { 0 }
int	m_size { 0 }

Detailed Description

Copy AVFrame<->frame, performing the required conversion if any

Definition at line 44 of file mythavutil.h.

Constructor & Destructor Documentation

MythAVCopy()

MythAVCopy::MythAVCopy ( )

default

~MythAVCopy()

MythAVCopy::~MythAVCopy

(

)

Definition at line 217 of file mythavutil.cpp.

Member Function Documentation

Copy() [1/2]

int MythAVCopy::Copy	(	AVFrame *	To,
		const MythVideoFrame *	From,
		unsigned char *	Buffer,
		AVPixelFormat	Fmt = AV_PIX_FMT_YUV420P
	)

Initialise AVFrame and copy contents of VideoFrame frame into it, performing any required conversion.

Returns

Size of buffer allocated

Note

AVFrame buffers must be deleted manually by the caller (av_freep(pic->data[0]))

Definition at line 267 of file mythavutil.cpp.

Referenced by MHIBitmap::CreateFromMPEG(), ThumbFinder::getFrameImage(), MythPreviewPlayer::GetScreenGrabAtFrame(), grabThumbnail(), VideoOutputD3D::UpdateFrame(), and MythVideoTextureOpenGL::YV12ToYUYV().

Copy() [2/2]

int MythAVCopy::Copy	(	AVFrame *	To,
		AVPixelFormat	ToFmt,
		const AVFrame *	From,
		AVPixelFormat	FromFmt,
		int	Width,
		int	Height
	)

Definition at line 234 of file mythavutil.cpp.

SizeData()

int MythAVCopy::SizeData ( int  Width, int  Height, AVPixelFormat  Fmt  )

private

Definition at line 222 of file mythavutil.cpp.

Referenced by Copy().

Member Data Documentation

m_format

AVPixelFormat MythAVCopy::m_format { AV_PIX_FMT_NONE }

private

Definition at line 58 of file mythavutil.h.

Referenced by SizeData().

m_swsctx

SwsContext* MythAVCopy::m_swsctx { nullptr }

private

Definition at line 59 of file mythavutil.h.

Referenced by Copy(), and ~MythAVCopy().

m_width

int MythAVCopy::m_width { 0 }

private

Definition at line 60 of file mythavutil.h.

Referenced by SizeData().

m_height

int MythAVCopy::m_height { 0 }

private

Definition at line 61 of file mythavutil.h.

Referenced by SizeData().

m_size

int MythAVCopy::m_size { 0 }

private

Definition at line 62 of file mythavutil.h.

Referenced by SizeData().

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

• mythtv/libs/libmythtv/mythavutil.h
• mythtv/libs/libmythtv/mythavutil.cpp