#include <sockep.h>

Inheritance diagram for OpalSockConnection:

Collaboration diagram for OpalSockConnection:

Data Structures
struct	MediaBitrate

struct	MediaHeader

Public Member Functions
Construction
	OpalSockConnection (OpalCall &call, OpalSockEndPoint &endpoint, void userData, unsigned options=0, OpalConnection::StringOptions stringOptions=NULL)

	~OpalSockConnection ()

Overrides from OpalConnection
virtual OpalMediaFormatList	GetMediaFormats () const

virtual void	OnReleased ()

virtual bool	TransferConnection (const PString &remoteParty)

virtual bool	OnMediaCommand (OpalMediaStream &stream, const OpalMediaCommand &command)

Overrides from OpalLocalConnection
virtual bool	OnOutgoing ()

virtual bool	OnIncoming ()

virtual bool	OnReadMediaData (OpalMediaStream &mediaStream, void *data, PINDEX size, PINDEX &length)

virtual bool	OnWriteMediaData (const OpalMediaStream &mediaStream, const void *data, PINDEX length, PINDEX &written)

Public Member Functions inherited from OpalLocalConnection
	OpalLocalConnection (OpalCall &call, OpalLocalEndPoint &endpoint, void userData, unsigned options, OpalConnection::StringOptions stringOptions, char tokenPrefix= 'L')

	~OpalLocalConnection ()

virtual PBoolean	OnIncomingConnection (unsigned int options, OpalConnection::StringOptions *stringOptions)

virtual PBoolean	IsNetworkConnection () const

virtual void	OnApplyStringOptions ()
	Call back for connection to act on changed string options. More...

virtual PBoolean	SetUpConnection ()

virtual PBoolean	SetAlerting (const PString &calleeName, PBoolean withMedia)

virtual PBoolean	SetConnected ()

virtual bool	HoldRemote (bool placeOnHold)

virtual OpalMediaStream *	CreateMediaStream (const OpalMediaFormat &mediaFormat, unsigned sessionID, PBoolean isSource)

virtual void	OnClosedMediaStream (const OpalMediaStream &stream)

virtual PBoolean	SendUserInputString (const PString &value)

virtual bool	OnOutgoingSetUp ()

virtual void	AlertingIncoming (bool withMedia=false)

virtual void	AcceptIncoming ()

virtual bool	OnReadMediaFrame (const OpalMediaStream &mediaStream, RTP_DataFrame &frame)

virtual bool	OnWriteMediaFrame (const OpalMediaStream &mediaStream, RTP_DataFrame &frame)

virtual OpalLocalEndPoint::Synchronicity	GetSynchronicity (const OpalMediaFormat &mediaFormat, bool isSource) const

virtual bool	CreateVideoInputDevice (const OpalMediaFormat &mediaFormat, PVideoInputDevice *&device, bool &autoDelete)

virtual bool	CreateVideoOutputDevice (const OpalMediaFormat &mediaFormat, bool preview, PVideoOutputDevice *&device, bool &autoDelete)

virtual bool	ChangeVideoInputDevice (const PVideoDevice::OpenArgs &device, unsigned sessionID=0)

virtual bool	ChangeVideoOutputDevice (const PVideoDevice::OpenArgs &device, unsigned sessionID=0, bool preview=false)

bool	FarEndCameraControl (PVideoControlInfo::Types what, int direction=0, const PTimeInterval &duration=0)

void	SetFarEndCameraCapabilityChangedNotifier (const PNotifier &notifier)
	Set a callback for when the far end camera control capabilities change. More...

void	SetFarEndCameraActionNotifier (const PNotifier &notifier)
	Set a callback for when a far end camera control action comes from remote. More...

void *	GetUserData () const
	Get user data pointer. More...

void	SetUserData (void *v)
	Set user data pointer. More...

Public Member Functions inherited from OpalConnection
	P_DECLARE_TRACED_ENUM_EX (CallEndReasonCodes, NumCallEndReasons, EndedByLocalUser, 0, EndedByNoAccept, EndedByAnswerDenied, EndedByRemoteUser, EndedByRefusal, EndedByNoAnswer, EndedByCallerAbort, EndedByTransportFail, EndedByConnectFail, EndedByGatekeeper, EndedByNoUser, EndedByNoBandwidth, EndedByCapabilityExchange, EndedByCallForwarded, EndedBySecurityDenial, EndedByLocalBusy, EndedByLocalCongestion, EndedByRemoteBusy, EndedByRemoteCongestion, EndedByUnreachable, EndedByNoEndPoint, EndedByHostOffline, EndedByTemporaryFailure, EndedByQ931Cause, EndedByDurationLimit, EndedByInvalidConferenceID, EndedByNoDialTone, EndedByNoRingBackTone, EndedByOutOfService, EndedByAcceptingCallWaiting, EndedByGkAdmissionFailed, EndedByMediaFailed, EndedByCallCompletedElsewhere, EndedByCertificateAuthority, EndedByIllegalAddress, EndedByCustomCode)

	P_DECLARE_TRACED_ENUM (AnswerCallResponse, AnswerCallNow, AnswerCallDenied, AnswerCallPending, AnswerCallDeferred, AnswerCallAlertWithMedia, AnswerCallDeferredWithMedia, AnswerCallProgress, AnswerCallNowAndReleaseCurrent)

const StringOptions &	GetStringOptions () const
	Get the string options associated with this connection. More...

void	SetStringOptions (const StringOptions &options, bool overwrite)
	Set the string options associated with this connection. More...

virtual void	EnableRecording ()

virtual void	DisableRecording ()

	PDECLARE_NOTIFIER (RTP_DataFrame, OpalConnection, OnRecordAudio)

void	InternalOnRecordAudio (PString key, PAutoPtr< RTP_DataFrame > frame)

	PDECLARE_NOTIFIER (RTP_DataFrame, OpalConnection, OnRecordVideo)

void	InternalOnRecordVideo (PString key, PAutoPtr< RTP_DataFrame > frame)

virtual void	OnStartRecording (OpalMediaPatch *patch)

virtual void	OnStopRecording (OpalMediaPatch *patch)

bool	InternalOnConnected ()

bool	InternalOnEstablished ()

void	InternalSetAsOriginating ()

bool	InternalRelease (CallEndReason reason)

void	InternalOnReleased ()

void	InternalExecuteMediaCommand (OpalMediaCommand *command)

void	InternalCreatedMediaTransport (const OpalMediaTransportPtr &transport)

	OpalConnection (OpalCall &call, OpalEndPoint &endpoint, const PString &token, unsigned options=0, OpalConnection::StringOptions *stringOptions=NULL)

	~OpalConnection ()

void	PrintOn (ostream &strm) const

virtual PBoolean	OnSetUpConnection ()

virtual void	OnProceeding ()

virtual void	OnAlerting (bool withMedia)

virtual void	OnAlerting ()

virtual AnswerCallResponse	OnAnswerCall (const PString &callerName)

virtual void	AnsweringCall (AnswerCallResponse response)

virtual void	OnConnected ()

virtual void	OnEstablished ()

virtual bool	OnTransferNotify (const PStringToString &info, const OpalConnection *transferringConnection)

virtual void	Release (CallEndReason reason=EndedByLocalUser, bool synchronous=false)

virtual PString	GetDestinationAddress ()

virtual PBoolean	ForwardCall (const PString &forwardParty)

PSafePtr< OpalConnection >	GetOtherPartyConnection () const

template<class cls >
PSafePtr< cls >	GetOtherPartyConnectionAs () const

virtual OpalMediaFormatList	GetLocalMediaFormats ()

virtual void	AdjustMediaFormats (bool local, const OpalConnection *otherConnection, OpalMediaFormatList &mediaFormats) const

virtual PStringArray	GetMediaCryptoSuites () const

virtual unsigned	GetNextSessionID (const OpalMediaType &mediaType, bool isSource)

virtual bool	RequireSymmetricMediaStreams () const

virtual OpalMediaType::AutoStartMode	GetAutoStart (const OpalMediaType &mediaType) const

virtual void	AutoStartMediaStreams (bool transfer=false)

virtual OpalMediaStreamPtr	OpenMediaStream (const OpalMediaFormat &mediaFormat, unsigned sessionID, bool isSource)

bool	CloseMediaStream (unsigned sessionId, bool source)

bool	CloseMediaStream (OpalMediaStreamPtr stream)

bool	RemoveMediaStream (OpalMediaStream &strm)

virtual void	StartMediaStreams ()

virtual void	CloseMediaStreams ()

virtual void	PauseMediaStreams (bool paused)

virtual void	OnPauseMediaStream (OpalMediaStream &strm, bool paused)

OpalMediaStreamPtr	GetMediaStream (const PString &streamID, bool source) const

OpalMediaStreamPtr	GetMediaStream (unsigned sessionId, bool source) const

OpalMediaStreamPtr	GetMediaStream (const OpalMediaType &mediaType, bool source, OpalMediaStreamPtr previous=NULL) const

bool	GetStatistics (const OpalMediaType &mediaType, bool source, OpalMediaStatistics &statistics) const
	Get media statistics of the type, and of the specifed direction. More...

virtual PBoolean	OnOpenMediaStream (OpalMediaStream &stream)

virtual void	OnFailedMediaStream (bool fromRemote, const PString &reason)

virtual void	OnPatchMediaStream (PBoolean isSource, OpalMediaPatch &patch)

virtual void	OnStartMediaPatch (OpalMediaPatch &patch)

virtual void	OnStopMediaPatch (OpalMediaPatch &patch)

virtual bool	OnMediaFailed (unsigned sessionId)

bool	AllMediaFailed () const

virtual bool	ExecuteMediaCommand (const OpalMediaCommand &command, bool aync=false) const

virtual bool	GetMediaTransportAddresses (OpalConnection &otherConnection, unsigned sessionId, const OpalMediaType &mediaType, OpalTransportAddressArray &transports) const

virtual PBoolean	SetAudioVolume (PBoolean source, unsigned percentage)

virtual PBoolean	GetAudioVolume (PBoolean source, unsigned &percentage)

virtual bool	SetAudioMute (bool source, bool mute)

virtual bool	GetAudioMute (bool source, bool &mute)

virtual unsigned	GetAudioSignalLevel (PBoolean source)

OpalBandwidth	GetBandwidthAvailable (OpalBandwidth::Direction dir) const

virtual bool	SetBandwidthAvailable (OpalBandwidth::Direction dir, OpalBandwidth availableBandwidth)

virtual bool	SetBandwidthAllocated (OpalBandwidth::Direction dir, OpalBandwidth newBandwidth)

virtual OpalBandwidth	GetBandwidthUsed (OpalBandwidth::Direction dir) const

virtual bool	SetBandwidthUsed (OpalBandwidth::Direction dir, OpalBandwidth releasedBandwidth, OpalBandwidth requiredBandwidth)

	P_DECLARE_TRACED_ENUM (SendUserInputModes, SendUserInputAsQ931, SendUserInputAsString, SendUserInputAsTone, SendUserInputAsRFC2833, SendUserInputAsInlineRFC2833=SendUserInputAsRFC2833, SendUserInputInBand, SendUserInputAsProtocolDefault)

virtual void	SetSendUserInputMode (SendUserInputModes mode)

virtual SendUserInputModes	GetSendUserInputMode () const

virtual SendUserInputModes	GetRealSendUserInputMode () const

virtual PBoolean	SendUserInputTone (char tone, unsigned duration=0)

virtual void	OnUserInputString (const PString &value)

void	OnUserInputStringCallback (PString value)

virtual void	OnUserInputTone (char tone, unsigned duration)

void	SendUserInputHookFlash (unsigned duration=500)

virtual PString	GetUserInput (unsigned timeout=30)

virtual void	SetUserInput (const PString &input)

virtual PString	ReadUserInput (const char *terminators="YX#\r\n", unsigned lastDigitTimeout=4, unsigned firstDigitTimeout=30)

virtual PBoolean	PromptUserInput (PBoolean play)

virtual bool	GetConferenceState (OpalConferenceState *state) const

virtual bool	RequestPresentationRole (bool release)

virtual bool	OnChangedPresentationRole (const PString &newChairURI, bool request)

virtual bool	HasPresentationRole () const

virtual bool	GarbageCollection ()

OpalEndPoint &	GetEndPoint () const

OpalCall &	GetCall () const

const PString &	GetToken () const

virtual void	SetToken (const PString &newToken)

PBoolean	IsOriginating () const

const PTime &	GetPhaseTime (Phases phase) const

const PTime &	GetSetupUpTime () const

const PTime &	GetAlertingTime () const

const PTime &	GetConnectionStartTime () const

const PTime &	GetConnectionEndTime () const

const OpalProductInfo &	GetProductInfo () const

void	SetProductInfo (const OpalProductInfo &info)

virtual PString	GetPrefixName () const

const PString &	GetLocalPartyName () const

virtual void	SetLocalPartyName (const PString &name)

virtual PString	GetLocalPartyURL () const

const PString &	GetDisplayName () const

void	SetDisplayName (const PString &name)

virtual bool	IsPresentationBlocked () const

const PString &	GetRemotePartyName () const

void	SetRemotePartyName (const PString &name)

const PString &	GetRemotePartyNumber () const

virtual OpalTransportAddress	GetRemoteAddress () const

virtual PString	GetRemotePartyURL () const

virtual PString	GetRemoteIdentity () const

P_DEPRECATED PString	GetRemotePartyAddress () const

P_DEPRECATED const PString	GetRemotePartyCallbackURL () const

PCaselessString	GetRemoteApplication () const

const OpalProductInfo &	GetRemoteProductInfo () const

void	SetRemoteProductInfo (const OpalProductInfo &info)

const PString &	GetRedirectingParty () const

void	SetRedirectingParty (const PString &party)

const PString &	GetCalledPartyName () const

void	SetCalledPartyName (const PString &name)

const PString &	GetCalledPartyNumber () const

virtual PString	GetCalledPartyURL ()

virtual PMultiPartList	GetExtraCallInfo () const

void	CopyPartyNames (const OpalConnection &other)

virtual PString	GetAlertingType () const

virtual bool	SetAlertingType (const PString &info)

virtual PString	GetCallInfo () const

virtual PString	GetSupportedFeatures () const

unsigned	GetMinAudioJitterDelay () const

unsigned	GetMaxAudioJitterDelay () const

void	SetAudioJitterDelay (unsigned minDelay, unsigned maxDelay)

OpalSilenceDetector *	GetSilenceDetector () const

virtual PString	GetIdentifier () const

virtual PINDEX	GetMaxRtpPayloadSize () const

	P_DECLARE_STREAMABLE_ENUM (Phases, UninitialisedPhase, SetUpPhase, ProceedingPhase, AlertingPhase, ConnectedPhase, EstablishedPhase, ForwardingPhase, ReleasingPhase, ReleasedPhase)

__inline Phases	GetPhase () const

__inline bool	IsEstablished () const
	Return true if connection is in the established phase. More...

__inline bool	IsReleased () const
	Return true if connection is in the established phase. More...

void	SetPhase (Phases phaseToSet)

CallEndReason	GetCallEndReason () const

PString	GetCallEndReasonText () const

virtual void	SetCallEndReason (CallEndReason reason)

void	ClearCall (CallEndReason reason=EndedByLocalUser, PSyncPoint *sync=NULL)

virtual void	ClearCallSynchronous (PSyncPoint *sync, CallEndReason reason=EndedByLocalUser)

unsigned	GetQ931Cause () const

void	SetQ931Cause (unsigned v)

virtual bool	IsOnHold (bool fromRemote) const

virtual void	OnHold (bool fromRemote, bool onHold)

Protected Member Functions
bool	OpenMediaSockets ()

bool	OpenMediaSocket (PIPSocket *&socket, const PString &addrKey, const PString &portKey, const PCaselessString &protoKey)

	PDECLARE_MUTEX (m_writeMutex)

Protected Member Functions inherited from OpalLocalConnection
void	InternalAcceptIncoming ()

Protected Member Functions inherited from OpalConnection
	PDECLARE_MUTEX (m_mediaSessionFailedMutex)

Protected Attributes
OpalSockEndPoint &	m_endpoint

PIPSocket *	m_audioSocket

PIPSocket *	m_videoSocket

Protected Attributes inherited from OpalLocalConnection
OpalLocalEndPoint &	m_endpoint

void *	m_userData

OpalH224Handler *	m_h224Handler

OpalFarEndCameraControl *	m_farEndCameraControl

Protected Attributes inherited from OpalConnection
OpalCall &	m_ownerCall

OpalEndPoint &	m_endpoint

PString	m_callToken

PBoolean	m_originating

OpalProductInfo	m_productInfo

PString	m_localPartyName

PString	m_displayName

PString	m_remotePartyName

PString	m_remotePartyURL

OpalProductInfo	m_remoteProductInfo

PString	m_remotePartyNumber

PString	m_redirectingParty

CallEndReason	m_callEndReason

PString	m_calledPartyNumber

PString	m_calledPartyName

SendUserInputModes	m_sendUserInputMode

PString	m_userInputString

PSyncPoint	m_userInputAvailable

OpalSilenceDetector *	m_silenceDetector

OpalMediaFormat	m_filterMediaFormat

OpalMediaFormatList	m_localMediaFormats

StreamDict	m_mediaStreams

PSafeList< OpalMediaTransport >	m_mediaTransports

OpalJitterBuffer::Params	m_jitterParams

OpalBandwidth	m_rxBandwidthAvailable

OpalBandwidth	m_txBandwidthAvailable

StringOptions	m_stringOptions

PString	m_recordingFilename

PNotifier	m_recordAudioNotifier

PNotifier	m_recordVideoNotifier

OpalMediaType::AutoStartMap	m_autoStartInfo

ZeroTime	m_phaseTime [NumPhases]

std::set< unsigned >	m_mediaSessionFailed

Additional Inherited Members
Public Types inherited from OpalConnection
enum	Options { FastStartOptionDisable = 0x0001, FastStartOptionEnable = 0x0002, FastStartOptionMask = 0x0003, H245TunnelingOptionDisable = 0x0004, H245TunnelingOptionEnable = 0x0008, H245TunnelingOptionMask = 0x000c, H245inSetupOptionDisable = 0x0010, H245inSetupOptionEnable = 0x0020, H245inSetupOptionMask = 0x0030, DetectInBandDTMFOptionDisable = 0x0040, DetectInBandDTMFOptionEnable = 0x0080, DetectInBandDTMFOptionMask = 0x00c0, RTPAggregationDisable = 0x0100, RTPAggregationEnable = 0x0200, RTPAggregationMask = 0x0300, SendDTMFAsDefault = 0x0000, SendDTMFAsString = 0x0400, SendDTMFAsTone = 0x0800, SendDTMFAsRFC2833 = 0x0c00, SendDTMFMask = 0x0c00, SynchronousSetUp = 0x1000 }

Static Public Member Functions inherited from OpalConnection
static PString	GetCallEndReasonText (CallEndReason reason)

static void	SetCallEndReasonText (CallEndReasonCodes reasonCode, const PString &newText)

Protected Types inherited from OpalConnection
typedef PSafeDictionary < StreamKey, OpalMediaStream >	StreamDict

Detailed Description

Socket media connection. This simply routes media to/from tcp/udp sockets

Constructor & Destructor Documentation

OpalSockConnection::OpalSockConnection	(	OpalCall &	call,
		OpalSockEndPoint &	endpoint,
		void *	userData,
		unsigned	options = `0`,
		OpalConnection::StringOptions *	stringOptions = `NULL`
	)

Create a new endpoint.

Parameters

call	Owner calll for connection
endpoint	Owner endpoint for connection
userData	Arbitrary data to pass to connection
options	Option bit map to be passed to connection
stringOptions	Options to be passed to connection

OpalSockConnection::~OpalSockConnection ( )

Destroy endpoint.

Member Function Documentation

virtual OpalMediaFormatList OpalSockConnection::GetMediaFormats ( ) const

virtual

Get the data formats this endpoint is capable of operating. This provides a list of media data format names that may be used by an OpalMediaStream may be created by a connection from this endpoint.

Note that a specific connection may not actually support all of the media formats returned here, but should return no more.

The default behaviour returns the most basic media formats, PCM audio and YUV420P video.

Reimplemented from OpalConnection.

virtual bool OpalSockConnection::OnIncoming ( )

virtual

Call back to indicate that there is an incoming call. Note this function should not block or it will impede the operation of the stack.

The default implementation call OpalLocalEndPoint::OnIncomingCall().

Returns: false if the call is to be aborted with status of EndedByLocalBusy.

Reimplemented from OpalLocalConnection.

virtual bool OpalSockConnection::OnMediaCommand	(	OpalMediaStream &	stream,
		const OpalMediaCommand &	command
	)

virtual

Callback for media commands. Executes OnMediaCommand ont he other connection in call.

Returns: true if command is handled.

Parameters

stream	Stream command executed on
command	Media command being executed

Reimplemented from OpalConnection.

virtual bool OpalSockConnection::OnOutgoing ( )

virtual

Call back to indicate that remote is ringing.

The default implementation call OpalLocalEndPoint::OnOutgoingCall().

Returns: false if the call is to be aborted with EndedByNoAccept.

Reimplemented from OpalLocalConnection.

virtual bool OpalSockConnection::OnReadMediaData	(	OpalMediaStream &	mediaStream,
		void *	data,
		PINDEX	size,
		PINDEX &	length
	)

virtual

Call back to get media data for transmission. If false is returned the media stream will be closed.

Care with the handling of real time is required, see GetSynchronicity for more details.

The default implementation fills the buffer with zeros and returns true.

Parameters

mediaStream	Media stream data is required for
data	Data to send
size	Maximum size of data buffer
length	Number of bytes placed in buffer

Reimplemented from OpalLocalConnection.

virtual void OpalSockConnection::OnReleased ( )

virtual

Clean up the termination of the connection. This function can do any internal cleaning up and waiting on background threads that may be using the connection object.

Note that there is not a one to one relationship with the OnEstablishedConnection() function. This function may be called without that function being called. For example if SetUpConnection() was used but the call never completed.

Classes that override this function should make sure they call the ancestor version for correct operation.

An application will not typically call this function as it is used by the OpalManager during a release of the connection.

The default behaviour calls the OpalEndPoint function of the same name.

Reimplemented from OpalConnection.

virtual bool OpalSockConnection::OnWriteMediaData	(	const OpalMediaStream &	mediaStream,
		const void *	data,
		PINDEX	length,
		PINDEX &	written
	)

virtual

Call back to handle received media data. If false is returned the media stream will be closed.

It is expected that this function be real time. That is if 320 bytes of PCM-16 are written, this function should take 20ms to execute. If not then the jitter buffer will not operate correctly and audio will not be of high quality. This timing can be simulated if required, see GetSynchronicity for more details.

Note: For encoded audio media, if data is NULL then that indicates there is no incoming audio available from the jitter buffer. The application should output silence for a time. The written value should still contain the bytes of silence emitted, even though it will be larger that length. This does not occcur for raw (PCM-16) audio.

The default implementation ignores the media data and returns true.

Parameters

mediaStream	Media stream data is required for
data	Data received
length	Amount of data available to write
written	Amount of data written

Reimplemented from OpalLocalConnection.

bool OpalSockConnection::OpenMediaSocket	(	PIPSocket *&	socket,
		const PString &	addrKey,
		const PString &	portKey,
		const PCaselessString &	protoKey
	)

protected

bool OpalSockConnection::OpenMediaSockets ( )

protected

OpalSockConnection::PDECLARE_MUTEX ( m_writeMutex )

protected

virtual bool OpalSockConnection::TransferConnection ( const PString & remoteParty )

virtual

Initiate the transfer of an existing call (connection) to a new remote party.

If remoteParty is a valid call token, then the remote party is transferred to that party (consultation transfer) and both calls are cleared.

Parameters

remoteParty Remote party to transfer the existing call to

Reimplemented from OpalConnection.

Field Documentation

PIPSocket* OpalSockConnection::m_audioSocket

protected

OpalSockEndPoint& OpalSockConnection::m_endpoint

protected

PIPSocket* OpalSockConnection::m_videoSocket

protected

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

sockep.h

Data Structures

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Field Documentation