Video filters

Deinterlace and Scaling Filters. More...

Classes
class	cVideoFilter
	Video Filter. More...

Functions
	cVideoFilter::cVideoFilter (cVideoRender *, cQueue< cDrmBuffer > *, const char *, std::function< void(AVFrame *)>)
void	cVideoFilter::SetFilterOutputPixFormat (AVPixelFormat)
	Setup the filter output pixel format.
void	cVideoFilter::InitAndStart (const AVCodecContext *, AVFrame *, bool)
	Init and start the video filter thread.
void	cVideoFilter::Action (void)
	Main filter thread loop.
void	cVideoFilter::PushFrame (AVFrame *)
	Puts a frame in the buffer to be filtered.
void	cVideoFilter::Stop (void)
	Stops the filter thread and does a cleanup.

Detailed Description

Deinterlace and Scaling Filters.

Function Documentation

Action()

void cVideoFilter::Action ( void  )

private

Main filter thread loop.

Pops unfiltered frames from the input queue, processes them and sends the filtered frames to the render queue

Definition at line 204 of file videofilter.cpp.

References av_err2str, cQueue< T >::IsEmpty(), cQueue< T >::IsFull(), isInterlacedFrame(), LOGDEBUG, LOGERROR, LOGFATAL, LOGWARNING, cVideoFilter::m_filterBug, cVideoFilter::m_frameOutput, cVideoFilter::m_frames, cVideoFilter::m_numFramesToFilter, cVideoFilter::m_pBuffersinkCtx, cVideoFilter::m_pBuffersrcCtx, cVideoFilter::m_pDrmBufferQueue, and cQueue< T >::Pop().

cVideoFilter()

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

Definition at line 35 of file videofilter.cpp.

InitAndStart()

void cVideoFilter::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 72 of file videofilter.cpp.

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

Referenced by cVideoStream::RenderFrame().

PushFrame()

void cVideoFilter::PushFrame

(

AVFrame *

frame

)

Puts a frame in the buffer to be filtered.

Definition at line 262 of file videofilter.cpp.

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

Referenced by cVideoStream::RenderFrame().

SetFilterOutputPixFormat()

void cVideoFilter::SetFilterOutputPixFormat ( AVPixelFormat  pixFmt )

private

Setup the filter output pixel format.

Parameters

pixFmt

AV pixel format

Definition at line 48 of file videofilter.cpp.

References LOGFATAL, and cVideoFilter::m_pBuffersinkCtx.

Referenced by cVideoFilter::InitAndStart().

Stop()

void cVideoFilter::Stop

(

void

)

Stops the filter thread and does a cleanup.

Definition at line 270 of file videofilter.cpp.

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

Referenced by cVideoStream::CancelFilterThread().