#include <libmythtv/io/mythavformatwriter.h>

Inheritance diagram for MythAVFormatWriter:

Collaboration diagram for MythAVFormatWriter:

Public Member Functions
	MythAVFormatWriter ()=default

	~MythAVFormatWriter () override

bool	Init (void) override

bool	OpenFile (void) override

bool	CloseFile (void) override

int	WriteVideoFrame (MythVideoFrame *Frame) override

int	WriteAudioFrame (unsigned char *Buffer, int FrameNumber, std::chrono::milliseconds &Timecode) override

int	WriteTextFrame (int VBIMode, unsigned char *Buffer, int Length, std::chrono::milliseconds Timecode, int PageNumber) override

int	WriteSeekTable (void) override

bool	SwitchToNextFile (void) override

bool	NextFrameIsKeyFrame (void)

bool	ReOpen (const QString &Filename)

Public Member Functions inherited from MythMediaWriter
	MythMediaWriter ()=default

virtual	~MythMediaWriter ()=default

virtual bool	Init (void)=0

virtual bool	OpenFile (void)=0

virtual bool	CloseFile (void)=0

virtual int	WriteVideoFrame (MythVideoFrame *Frame)=0

virtual int	WriteAudioFrame (unsigned char *Buffer, int FrameNumber, std::chrono::milliseconds &Timecode)=0

virtual int	WriteTextFrame (int VBIMode, unsigned char *Buffer, int Length, std::chrono::milliseconds Timecode, int PageNumber)=0

virtual int	WriteSeekTable (void)=0

virtual bool	SwitchToNextFile (void)=0

void	SetFilename (const QString &FileName)

void	SetContainer (const QString &Cont)

void	SetVideoCodec (const QString &Codec)

void	SetVideoBitrate (int Bitrate)

void	SetWidth (int Width)

void	SetHeight (int Height)

void	SetAspect (float Aspect)

void	SetFramerate (double Rate)

void	SetKeyFrameDist (int Dist)

void	SetAudioCodec (const QString &Codec)

void	SetAudioBitrate (int Bitrate)

void	SetAudioChannels (int Channels)

void	SetAudioFrameRate (int Rate)

void	SetAudioFormat (AudioFormat Format)

void	SetThreadCount (int Count)

void	SetTimecodeOffset (std::chrono::milliseconds Offset)

void	SetEncodingPreset (const QString &Preset)

void	SetEncodingTune (const QString &Tune)

long long	GetFramesWritten (void) const

std::chrono::milliseconds	GetTimecodeOffset (void) const

int	GetAudioFrameSize (void) const

Private Member Functions
bool	openFileHelper ()

AVStream *	AddVideoStream (void)

bool	OpenVideo (void)

AVStream *	AddAudioStream (void)

bool	OpenAudio (void)

AVFrame *	AllocPicture (enum AVPixelFormat PixFmt)

void	Cleanup (void)

AVRational	GetCodecTimeBase (void)

Static Private Member Functions
static bool	FindAudioFormat (AVCodecContext Ctx, const AVCodec Codec, AVSampleFormat Format)

Private Attributes
MythAVFormatBuffer *	m_avfBuffer { nullptr }

MythMediaBuffer *	m_buffer { nullptr }

AVOutputFormat	m_fmt { }

AVFormatContext *	m_ctx { nullptr }

MythCodecMap	m_codecMap

AVStream *	m_videoStream { nullptr }

const AVCodec *	m_avVideoCodec { nullptr }

AVStream *	m_audioStream { nullptr }

const AVCodec *	m_avAudioCodec { nullptr }

AVFrame *	m_picture { nullptr }

AVFrame *	m_audPicture { nullptr }

unsigned char *	m_audioInBuf { nullptr }

unsigned char *	m_audioInPBuf { nullptr }

QList< std::chrono::milliseconds >	m_bufferedVideoFrameTimes

QList< int >	m_bufferedVideoFrameTypes

QList< std::chrono::milliseconds >	m_bufferedAudioFrameTimes

Additional Inherited Members
Protected Attributes inherited from MythMediaWriter
QString	m_filename

QString	m_container

QString	m_videoCodec

int	m_videoBitrate { 800000 }

int	m_width { 0 }

int	m_height { 0 }

float	m_aspect { 1.333333F }

double	m_frameRate { 29.97 }

int	m_keyFrameDist { 15 }

QString	m_audioCodec

int	m_audioBitrate { 0 }

int	m_audioChannels { 2 }

int	m_audioFrameRate { 48000 }

AudioFormat	m_audioFormat { FORMAT_S16 }

int	m_audioFrameSize { -1 }

int	m_encodingThreadCount { 1 }

long long	m_framesWritten { 0 }

std::chrono::milliseconds	m_startingTimecodeOffset { -1ms }

QString	m_encodingPreset

QString	m_encodingTune

Detailed Description

Definition at line 17 of file mythavformatwriter.h.

Constructor & Destructor Documentation

◆ MythAVFormatWriter()

MythAVFormatWriter::MythAVFormatWriter ( )

default

◆ ~MythAVFormatWriter()

MythAVFormatWriter::~MythAVFormatWriter ( )

override

Definition at line 46 of file mythavformatwriter.cpp.

Member Function Documentation

◆ AddAudioStream()

AVStream * MythAVFormatWriter::AddAudioStream ( void )

private

Definition at line 567 of file mythavformatwriter.cpp.

Referenced by Init().

◆ AddVideoStream()

AVStream * MythAVFormatWriter::AddVideoStream ( void )

private

Definition at line 420 of file mythavformatwriter.cpp.

Referenced by Init().

◆ AllocPicture()

AVFrame * MythAVFormatWriter::AllocPicture ( enum AVPixelFormat PixFmt )

private

Definition at line 677 of file mythavformatwriter.cpp.

Referenced by OpenVideo().

◆ Cleanup()

void MythAVFormatWriter::Cleanup ( void )

private

Definition at line 177 of file mythavformatwriter.cpp.

Referenced by OpenFile(), and ~MythAVFormatWriter().

◆ CloseFile()

bool MythAVFormatWriter::CloseFile ( void )

overridevirtual

Implements MythMediaWriter.

Definition at line 185 of file mythavformatwriter.cpp.

Referenced by ~MythAVFormatWriter().

◆ FindAudioFormat()

bool MythAVFormatWriter::FindAudioFormat	(	AVCodecContext *	Ctx,
		const AVCodec *	Codec,
		AVSampleFormat	Format
	)

staticprivate

Definition at line 601 of file mythavformatwriter.cpp.

Referenced by OpenAudio().

◆ GetCodecTimeBase()

AVRational MythAVFormatWriter::GetCodecTimeBase ( void )

private

Definition at line 699 of file mythavformatwriter.cpp.

Referenced by AddAudioStream(), and AddVideoStream().

◆ Init()

bool MythAVFormatWriter::Init ( void )

overridevirtual

Implements MythMediaWriter.

Definition at line 58 of file mythavformatwriter.cpp.

◆ NextFrameIsKeyFrame()

bool MythAVFormatWriter::NextFrameIsKeyFrame ( void )

Definition at line 200 of file mythavformatwriter.cpp.

◆ OpenAudio()

bool MythAVFormatWriter::OpenAudio ( void )

private

Definition at line 624 of file mythavformatwriter.cpp.

Referenced by Init().

◆ OpenFile()

bool MythAVFormatWriter::OpenFile ( void )

overridevirtual

Implements MythMediaWriter.

Definition at line 133 of file mythavformatwriter.cpp.

◆ openFileHelper()

bool MythAVFormatWriter::openFileHelper ( )

private

Definition at line 143 of file mythavformatwriter.cpp.

Referenced by OpenFile().

◆ OpenVideo()

bool MythAVFormatWriter::OpenVideo ( void )

private

Definition at line 538 of file mythavformatwriter.cpp.

Referenced by Init().

◆ ReOpen()

bool MythAVFormatWriter::ReOpen ( const QString & Filename )

Definition at line 412 of file mythavformatwriter.cpp.

◆ SwitchToNextFile()

bool MythAVFormatWriter::SwitchToNextFile ( void )

overridevirtual

Implements MythMediaWriter.

Definition at line 407 of file mythavformatwriter.cpp.

◆ WriteAudioFrame()

int MythAVFormatWriter::WriteAudioFrame	(	unsigned char *	Buffer,
		int	FrameNumber,
		std::chrono::milliseconds &	Timecode
	)

overridevirtual

Implements MythMediaWriter.

Definition at line 289 of file mythavformatwriter.cpp.

◆ WriteSeekTable()

int MythAVFormatWriter::WriteSeekTable ( void )

overridevirtual

Implements MythMediaWriter.

Definition at line 402 of file mythavformatwriter.cpp.

◆ WriteTextFrame()

int MythAVFormatWriter::WriteTextFrame	(	int	VBIMode,
		unsigned char *	Buffer,
		int	Length,
		std::chrono::milliseconds	Timecode,
		int	PageNumber
	)

overridevirtual

Implements MythMediaWriter.

Definition at line 396 of file mythavformatwriter.cpp.

◆ WriteVideoFrame()

int MythAVFormatWriter::WriteVideoFrame ( MythVideoFrame * Frame )

overridevirtual

Implements MythMediaWriter.

Definition at line 206 of file mythavformatwriter.cpp.

Member Data Documentation

◆ m_audioInBuf

unsigned char* MythAVFormatWriter::m_audioInBuf { nullptr }

private

Definition at line 58 of file mythavformatwriter.h.

Referenced by OpenAudio(), WriteAudioFrame(), and ~MythAVFormatWriter().

◆ m_audioInPBuf

unsigned char* MythAVFormatWriter::m_audioInPBuf { nullptr }

private

Definition at line 59 of file mythavformatwriter.h.

Referenced by OpenAudio(), WriteAudioFrame(), and ~MythAVFormatWriter().

◆ m_audioStream

AVStream* MythAVFormatWriter::m_audioStream { nullptr }

private

Definition at line 54 of file mythavformatwriter.h.

Referenced by Init(), OpenAudio(), and WriteAudioFrame().

◆ m_audPicture

AVFrame* MythAVFormatWriter::m_audPicture { nullptr }

private

Definition at line 57 of file mythavformatwriter.h.

Referenced by OpenAudio(), WriteAudioFrame(), and ~MythAVFormatWriter().

◆ m_avAudioCodec

const AVCodec* MythAVFormatWriter::m_avAudioCodec { nullptr }

private

Definition at line 55 of file mythavformatwriter.h.

Referenced by Init().

◆ m_avfBuffer

MythAVFormatBuffer* MythAVFormatWriter::m_avfBuffer { nullptr }

private

Definition at line 47 of file mythavformatwriter.h.

Referenced by Cleanup(), CloseFile(), and openFileHelper().

◆ m_avVideoCodec

const AVCodec* MythAVFormatWriter::m_avVideoCodec { nullptr }

private

Definition at line 53 of file mythavformatwriter.h.

Referenced by AddAudioStream(), GetCodecTimeBase(), Init(), and WriteAudioFrame().

◆ m_buffer

MythMediaBuffer* MythAVFormatWriter::m_buffer { nullptr }

private

Definition at line 48 of file mythavformatwriter.h.

Referenced by Cleanup(), openFileHelper(), and ReOpen().

◆ m_bufferedAudioFrameTimes

QList<std::chrono::milliseconds> MythAVFormatWriter::m_bufferedAudioFrameTimes

private

Definition at line 62 of file mythavformatwriter.h.

Referenced by WriteAudioFrame().

◆ m_bufferedVideoFrameTimes

QList<std::chrono::milliseconds> MythAVFormatWriter::m_bufferedVideoFrameTimes

private

Definition at line 60 of file mythavformatwriter.h.

Referenced by WriteVideoFrame().

◆ m_bufferedVideoFrameTypes

QList<int> MythAVFormatWriter::m_bufferedVideoFrameTypes

private

Definition at line 61 of file mythavformatwriter.h.

Referenced by NextFrameIsKeyFrame(), and WriteVideoFrame().

◆ m_codecMap

MythCodecMap MythAVFormatWriter::m_codecMap

private

Definition at line 51 of file mythavformatwriter.h.

Referenced by AddAudioStream(), AddVideoStream(), OpenAudio(), OpenVideo(), WriteAudioFrame(), and WriteVideoFrame().

◆ m_ctx

AVFormatContext* MythAVFormatWriter::m_ctx { nullptr }

private

Definition at line 50 of file mythavformatwriter.h.

Referenced by AddAudioStream(), AddVideoStream(), CloseFile(), Init(), openFileHelper(), WriteAudioFrame(), and WriteVideoFrame().

◆ m_fmt

AVOutputFormat MythAVFormatWriter::m_fmt { }

private

Definition at line 49 of file mythavformatwriter.h.

Referenced by Init(), and openFileHelper().

◆ m_picture

AVFrame* MythAVFormatWriter::m_picture { nullptr }

private

Definition at line 56 of file mythavformatwriter.h.

Referenced by OpenVideo(), WriteVideoFrame(), and ~MythAVFormatWriter().

◆ m_videoStream

AVStream* MythAVFormatWriter::m_videoStream { nullptr }

private

Definition at line 52 of file mythavformatwriter.h.

Referenced by Init(), OpenVideo(), WriteAudioFrame(), and WriteVideoFrame().

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

mythtv/libs/libmythtv/io/mythavformatwriter.h
mythtv/libs/libmythtv/io/mythavformatwriter.cpp

Public Member Functions

Private Member Functions

Static Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ MythAVFormatWriter()

◆ ~MythAVFormatWriter()

Member Function Documentation

◆ AddAudioStream()

◆ AddVideoStream()

◆ AllocPicture()

◆ Cleanup()

◆ CloseFile()

◆ FindAudioFormat()

◆ GetCodecTimeBase()

◆ Init()

◆ NextFrameIsKeyFrame()

◆ OpenAudio()

◆ OpenFile()

◆ openFileHelper()

◆ OpenVideo()

◆ ReOpen()

◆ SwitchToNextFile()

◆ WriteAudioFrame()

◆ WriteSeekTable()

◆ WriteTextFrame()

◆ WriteVideoFrame()

Member Data Documentation

◆ m_audioInBuf

◆ m_audioInPBuf

◆ m_audioStream

◆ m_audPicture

◆ m_avAudioCodec

◆ m_avfBuffer

◆ m_avVideoCodec

◆ m_buffer

◆ m_bufferedAudioFrameTimes

◆ m_bufferedVideoFrameTimes

◆ m_bufferedVideoFrameTypes

◆ m_codecMap

◆ m_ctx

◆ m_fmt

◆ m_picture

◆ m_videoStream