cFilterThread Class Reference

Filter thread class. More...

#include <threads.h>

Public Member Functions
	cFilterThread (cVideoRender *, cQueue< cDrmBuffer > *, const char *, std::function< void(AVFrame *)>)
void	InitAndStart (const AVCodecContext *, AVFrame *, bool)
	Init and start the video filter thread.
void	Stop (void)
void	PushFrame (AVFrame *)
	Put a frame in the buffer to be filtered.
bool	IsInputBufferFull (void)
int	GetNumFramesToFilter (void)

Private Member Functions
void	Action (void)
void	SetFilterOutputPixFormat (AVPixelFormat)
	Setup the filter output pixel format.

Private Attributes
cVideoRender *	m_pRender
AVFilterGraph *	m_pFilterGraph
AVFilterContext *	m_pBuffersrcCtx
AVFilterContext *	m_pBuffersinkCtx
bool	m_filterBug
	flag for a ffmpeg bug
cQueue< AVFrame >	m_frames {VIDEO_SURFACES_MAX}
	queue for frames to be filtered
std::function< void(AVFrame *)>	m_frameOutput
	function to output the frame
cQueue< cDrmBuffer > *	m_pDrmBufferQueue
	pointer to renderer's DRM buffer queue
int	m_numFramesToFilter = 0
	number of frames to be filtered

Detailed Description

Filter thread class.

Definition at line 99 of file threads.h.

Constructor & Destructor Documentation

cFilterThread()

cFilterThread::cFilterThread	(	cVideoRender *	videoRender,
		cQueue< cDrmBuffer > *	drmBufferQueue,
		const char *	name,
		std::function< void(AVFrame *)>	frameOutput
	)

Definition at line 159 of file threads.cpp.

Member Function Documentation

Action()

void cFilterThread::Action ( void  )

private

Definition at line 323 of file threads.cpp.

References cQueue< T >::IsEmpty(), cQueue< T >::IsFull(), isInterlacedFrame(), LOGDEBUG, LOGERROR, LOGFATAL, LOGWARNING, m_filterBug, m_frameOutput, m_frames, m_numFramesToFilter, m_pBuffersinkCtx, m_pBuffersrcCtx, m_pDrmBufferQueue, and cQueue< T >::Pop().

GetNumFramesToFilter()

int cFilterThread::GetNumFramesToFilter ( void  )

inline

Definition at line 107 of file threads.h.

References m_numFramesToFilter.

Referenced by cVideoStream::RenderFrame().

InitAndStart()

void cFilterThread::InitAndStart	(	const AVCodecContext *	videoCtx,
		AVFrame *	frame,
		bool	enableDeinterlacer
	)

Init and start the video filter thread.

Parameters

videoCtx	codec context
frame	AVFrame to take init parameters from
enableDeinterlacer	true, if the deinterlacer should be used

Definition at line 196 of file threads.cpp.

References L_CODEC, LOGDEBUG2, LOGFATAL, m_filterBug, m_numFramesToFilter, m_pBuffersinkCtx, m_pBuffersrcCtx, m_pFilterGraph, and SetFilterOutputPixFormat().

Referenced by cVideoStream::RenderFrame().

IsInputBufferFull()

bool cFilterThread::IsInputBufferFull ( void  )

inline

Definition at line 106 of file threads.h.

References cQueue< T >::IsFull(), and m_frames.

Referenced by cVideoStream::DecodeInput().

PushFrame()

void cFilterThread::PushFrame

(

AVFrame *

frame

)

Put a frame in the buffer to be filtered.

Definition at line 381 of file threads.cpp.

References m_frames, and cQueue< T >::Push().

Referenced by cVideoStream::RenderFrame().

SetFilterOutputPixFormat()

void cFilterThread::SetFilterOutputPixFormat ( AVPixelFormat  pixFmt )

private

Setup the filter output pixel format.

Parameters

pixFmt

AV pixel format

Definition at line 172 of file threads.cpp.

References LOGFATAL, and m_pBuffersinkCtx.

Referenced by InitAndStart().

Stop()

void cFilterThread::Stop

(

void

)

Definition at line 386 of file threads.cpp.

References cQueue< T >::IsEmpty(), LOGDEBUG, m_filterBug, m_frames, m_numFramesToFilter, m_pFilterGraph, and cQueue< T >::Pop().

Referenced by cVideoStream::CancelFilterThread().

Member Data Documentation

m_filterBug

bool cFilterThread::m_filterBug

private

flag for a ffmpeg bug

Definition at line 116 of file threads.h.

Referenced by Action(), InitAndStart(), and Stop().

m_frameOutput

std::function<void(AVFrame *)> cFilterThread::m_frameOutput

private

function to output the frame

Definition at line 118 of file threads.h.

Referenced by Action().

m_frames

cQueue<AVFrame> cFilterThread::m_frames {VIDEO_SURFACES_MAX}

private

queue for frames to be filtered

Definition at line 117 of file threads.h.

Referenced by Action(), IsInputBufferFull(), PushFrame(), and Stop().

m_numFramesToFilter

int cFilterThread::m_numFramesToFilter = 0

private

number of frames to be filtered

Definition at line 120 of file threads.h.

Referenced by Action(), GetNumFramesToFilter(), InitAndStart(), and Stop().

m_pBuffersinkCtx

AVFilterContext* cFilterThread::m_pBuffersinkCtx

private

Definition at line 114 of file threads.h.

Referenced by Action(), InitAndStart(), and SetFilterOutputPixFormat().

m_pBuffersrcCtx

AVFilterContext* cFilterThread::m_pBuffersrcCtx

private

Definition at line 113 of file threads.h.

Referenced by Action(), and InitAndStart().

m_pDrmBufferQueue

cQueue<cDrmBuffer>* cFilterThread::m_pDrmBufferQueue

private

pointer to renderer's DRM buffer queue

Definition at line 119 of file threads.h.

Referenced by Action().

m_pFilterGraph

AVFilterGraph* cFilterThread::m_pFilterGraph

private

Definition at line 112 of file threads.h.

Referenced by InitAndStart(), and Stop().

m_pRender

cVideoRender* cFilterThread::m_pRender

private

Definition at line 110 of file threads.h.

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

• threads.h
• threads.cpp