Audio::AvDeviceOutput Class Reference

Output class for libavdevice. More...

#include <avdeviceoutput.h>

Inheritance diagram for Audio::AvDeviceOutput:

Collaboration diagram for Audio::AvDeviceOutput:

Classes
struct	CodecDeleter
struct	PacketDeleter

Public Member Functions
	AvDeviceOutput (const AudioSettings &settings, const AudioFormat &format)
	Create an audio outputter for ffmpeg's libavdevice. More...
virtual	~AvDeviceOutput ()
virtual bool	play (void *buffer, unsigned numberOfBytes) override
	Play output. More...
Public Member Functions inherited from Audio::Output
virtual	~Output ()
char	bytesPerSample ()

Private Attributes
AVCodec *	codec = nullptr
AVFormatContext *	context = nullptr
AVStream *	stream = nullptr
std::unique_ptr< AVCodecContext, CodecDeleter >	codec_context
std::unique_ptr< AVPacket, PacketDeleter >	packet
int	min_flush_time = 0
	milliseconds More...
int	max_flush_time = 2000
	milliseconds More...
const int	flush_time_quanta = 100
	milliseconds More...

Additional Inherited Members
Static Public Member Functions inherited from Audio::Output
static bool	isValidOutput (const AudioSettings &settings)
	Check if audio settings are valid. More...
static bool	outputCanCrossfade (const AudioSettings &settings)
	Check if audio settings are valid. More...
static Output *	getOutput (const AudioSettings &settings, const AudioFormat &format)
	Factory gets whatever kind of output is best, or requested by the audio settings. More...
static void	reportLibrariesAndVersions (int verbose)
	Report audio libraries in use, and their versions. More...
Protected Attributes inherited from Audio::Output
char	bytes_per_sample_set

Detailed Description

Output class for libavdevice.

Constructor & Destructor Documentation

AvDeviceOutput()

Audio::AvDeviceOutput::AvDeviceOutput	(	const AudioSettings &	settings,
		const AudioFormat &	format
	)

Create an audio outputter for ffmpeg's libavdevice.

Parameters

settings	The output settings.
format	The format of the data to be played.

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~AvDeviceOutput()

Audio::AvDeviceOutput::~AvDeviceOutput ( )

virtual

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Member Function Documentation

play()

bool Audio::AvDeviceOutput::play ( void *  buffer, unsigned  numberOfBytes  )

overridevirtual

Play output.

Implements Audio::Output.

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Member Data Documentation

codec

AVCodec* Audio::AvDeviceOutput::codec = nullptr

private

codec_context

std::unique_ptr<AVCodecContext, CodecDeleter> Audio::AvDeviceOutput::codec_context

private

context

AVFormatContext* Audio::AvDeviceOutput::context = nullptr

private

flush_time_quanta

const int Audio::AvDeviceOutput::flush_time_quanta = 100

private

milliseconds

max_flush_time

int Audio::AvDeviceOutput::max_flush_time = 2000

private

milliseconds

min_flush_time

int Audio::AvDeviceOutput::min_flush_time = 0

private

milliseconds

packet

std::unique_ptr<AVPacket, PacketDeleter> Audio::AvDeviceOutput::packet

private

stream

AVStream* Audio::AvDeviceOutput::stream = nullptr

private

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

• mediaunits/audio/avdeviceoutput.h
• mediaunits/audio/avdeviceoutput.cpp