OpalAudioMixer Class Reference

#include <opalmixer.h>

Inheritance diagram for OpalAudioMixer:

List of all members.

Public Types
typedef std::string	Key_T
typedef std::map< Key_T, OpalAudioMixerStream * >	StreamInfoMap_T
typedef std::map< Key_T, OpalAudioMixerStream::StreamFrame >	MixerPCMMap_T
Public Member Functions
	OpalAudioMixer (PBoolean realTime=PTrue, PBoolean _pushThread=PTrue)
virtual	~OpalAudioMixer ()
virtual PBoolean	OnWriteAudio (const MixerFrame &)
void	AddStream (const Key_T &key, OpalAudioMixerStream *stream)
void	RemoveStream (const Key_T &key)
void	RemoveAllStreams ()
void	StartThread ()
void	ThreadMain ()
void	ReadRoutine ()
void	WriteMixedFrame ()
PBoolean	Write (const Key_T &key, const RTP_DataFrame &rtp)
Protected Attributes
PINDEX	frameLengthMs
	size of each audio chunk in milliseconds
PMutex	mutex
	mutex for list of streams and thread handle
StreamInfoMap_T	streamInfoMap
	list of streams
unsigned	channelNumber
	counter for channels
PBoolean	realTime
	PTrue if realtime mixing.
PBoolean	pushThread
	PTrue if to use a thread to push data out.
PThread *	mixerWorkerThread
	reader thread handle
PBoolean	threadRunning
	used to stop reader thread
PBoolean	audioStarted
	PTrue if output audio is running.
PBoolean	firstRead
	PTrue if first use of CheckForRead.
PTime	timeOfNextRead
	absolute timestamp for next scheduled read
DWORD	outputTimestamp
	RTP timestamp for output data.
Classes
class	MixerFrame

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Member Typedef Documentation

typedef std::string OpalAudioMixer::Key_T

typedef std::map<Key_T, OpalAudioMixerStream *> OpalAudioMixer::StreamInfoMap_T

typedef std::map<Key_T, OpalAudioMixerStream::StreamFrame> OpalAudioMixer::MixerPCMMap_T

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Constructor & Destructor Documentation

OpalAudioMixer::OpalAudioMixer	(	PBoolean	realTime = PTrue,
		PBoolean	_pushThread = PTrue
	)

virtual OpalAudioMixer::~OpalAudioMixer

(

)

[inline, virtual]

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Member Function Documentation

virtual PBoolean OpalAudioMixer::OnWriteAudio

(

const MixerFrame &

)

[virtual]

void OpalAudioMixer::AddStream	(	const Key_T &	key,
		OpalAudioMixerStream *	stream
	)

void OpalAudioMixer::RemoveStream

(

const Key_T &

key

)

void OpalAudioMixer::RemoveAllStreams

(

)

void OpalAudioMixer::StartThread

(

)

void OpalAudioMixer::ThreadMain

(

)

void OpalAudioMixer::ReadRoutine

(

)

void OpalAudioMixer::WriteMixedFrame

(

)

PBoolean OpalAudioMixer::Write	(	const Key_T &	key,
		const RTP_DataFrame &	rtp
	)

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Member Data Documentation

PINDEX OpalAudioMixer::frameLengthMs [protected]

size of each audio chunk in milliseconds

PMutex OpalAudioMixer::mutex [protected]

mutex for list of streams and thread handle

StreamInfoMap_T OpalAudioMixer::streamInfoMap [protected]

list of streams

unsigned OpalAudioMixer::channelNumber [protected]

counter for channels

PBoolean OpalAudioMixer::realTime [protected]

PTrue if realtime mixing.

PBoolean OpalAudioMixer::pushThread [protected]

PTrue if to use a thread to push data out.

PThread* OpalAudioMixer::mixerWorkerThread [protected]

reader thread handle

PBoolean OpalAudioMixer::threadRunning [protected]

used to stop reader thread

PBoolean OpalAudioMixer::audioStarted [protected]

PTrue if output audio is running.

PBoolean OpalAudioMixer::firstRead [protected]

PTrue if first use of CheckForRead.

PTime OpalAudioMixer::timeOfNextRead [protected]

absolute timestamp for next scheduled read

DWORD OpalAudioMixer::outputTimestamp [protected]

RTP timestamp for output data.

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

• opalmixer.h

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