h245.asn

mgcp协议源代码。支持多种编码：g711

}

OpenLogicalChannelAck	::=SEQUENCE
{
	forwardLogicalChannelNumber	LogicalChannelNumber,

	reverseLogicalChannelParameters	SEQUENCE
	{
		reverseLogicalChannelNumber	LogicalChannelNumber,
		portNumber	INTEGER (0..65535) OPTIONAL,
		multiplexParameters	CHOICE
		{
			h222LogicalChannelParameters	H222LogicalChannelParameters,
			-- H.223 parameters are never present in reverse direction
			...,
			h2250LogicalChannelParameters H2250LogicalChannelParameters

		} OPTIONAL,	-- Not present for H.223
		...,
		replacementFor	LogicalChannelNumber OPTIONAL

	} OPTIONAL,	-- Not present for uni-directional channel request
	...,
	separateStack	NetworkAccessParameters OPTIONAL, 
				-- for Open requester to establish the stack
	forwardMultiplexAckParameters	CHOICE
	{
		-- H.222 parameters are never present in the Ack
		-- H.223 parameters are never present in the Ack
		--V.76 parameters are never present in the Ack
		h2250LogicalChannelAckParameters H2250LogicalChannelAckParameters,
		...
	} OPTIONAL,
	encryptionSync	EncryptionSync OPTIONAL	-- used only by Master
}

OpenLogicalChannelReject	::=SEQUENCE
{
	forwardLogicalChannelNumber	LogicalChannelNumber,
	cause		CHOICE
	{
		unspecified	NULL,
		unsuitableReverseParameters	NULL,
		dataTypeNotSupported	NULL,
		dataTypeNotAvailable	NULL,
		unknownDataType	NULL,
		dataTypeALCombinationNotSupported	NULL,
		...,
		multicastChannelNotAllowed	NULL,
		insufficientBandwidth	NULL,
		separateStackEstablishmentFailed	NULL,
		invalidSessionID	NULL,
		masterSlaveConflict	NULL,
		waitForCommunicationMode	NULL,
		invalidDependentChannel	NULL,
		replacementForRejected	NULL
	},
	...
}

OpenLogicalChannelConfirm	::=SEQUENCE
{
	forwardLogicalChannelNumber	LogicalChannelNumber,
	...
}

H2250LogicalChannelAckParameters	::=SEQUENCE
{
	nonStandard	SEQUENCE OF NonStandardParameter OPTIONAL,
	sessionID	INTEGER(1..255) OPTIONAL,
	mediaChannel	TransportAddress OPTIONAL,
	mediaControlChannel	TransportAddress OPTIONAL, -- forward RTCP channel
	dynamicRTPPayloadType	INTEGER(96..127) OPTIONAL, -- used only by the master or MC
	...,
	flowControlToZero	BOOLEAN,
	portNumber		INTEGER (0..65535) OPTIONAL

}



CloseLogicalChannel	::=SEQUENCE
{
	forwardLogicalChannelNumber	LogicalChannelNumber,
	source		CHOICE
	{
		user	NULL,
		lcse	NULL
	},
	...,
	reason		CHOICE
	{
		unknown	NULL,
		reopen	NULL,
		reservationFailure	NULL,
		...
	}
}

CloseLogicalChannelAck	::=SEQUENCE
{
	forwardLogicalChannelNumber	LogicalChannelNumber,
	...
}

RequestChannelClose	::=SEQUENCE
{
	forwardLogicalChannelNumber	LogicalChannelNumber,
	...,
	qosCapability	QOSCapability OPTIONAL,
	reason		CHOICE
	{
		unknown	NULL,
		normal	NULL,
		reopen	NULL,
		reservationFailure	NULL,
		...
	}
}

RequestChannelCloseAck	::=SEQUENCE
{
	forwardLogicalChannelNumber	LogicalChannelNumber,
	...
}

RequestChannelCloseReject	::=SEQUENCE
{
	forwardLogicalChannelNumber	LogicalChannelNumber,
	cause		CHOICE
	{
		unspecified	NULL,
		...
	},
	...
}

RequestChannelCloseRelease	::=SEQUENCE
{
	forwardLogicalChannelNumber	LogicalChannelNumber,
	...
}

 -- ===================================================================================
-- H.223 multiplex table definitions
-- ===================================================================================

MultiplexEntrySend	::=SEQUENCE
{
	sequenceNumber	SequenceNumber,
	multiplexEntryDescriptors	SET SIZE (1..15) OF MultiplexEntryDescriptor,
	...
}

MultiplexEntryDescriptor	::=SEQUENCE
{
	multiplexTableEntryNumber	MultiplexTableEntryNumber,
	elementList	SEQUENCE SIZE (1..256) OF MultiplexElement OPTIONAL
}

MultiplexElement	::=SEQUENCE
{
	type		CHOICE
	{
		logicalChannelNumber	INTEGER(0..65535),
		subElementList	SEQUENCE SIZE (2..255) OF MultiplexElement
	},
	repeatCount	CHOICE
	{
		finite	INTEGER (1..65535),	-- repeats of type
		untilClosingFlag	NULL	-- used for last element 
	}
}

MultiplexTableEntryNumber	::=INTEGER (1..15)

MultiplexEntrySendAck	::=SEQUENCE
{
	sequenceNumber	SequenceNumber,
	multiplexTableEntryNumber	SET SIZE (1..15) OF MultiplexTableEntryNumber,
	...
}

MultiplexEntrySendReject	::=SEQUENCE
{
	sequenceNumber	SequenceNumber,
	rejectionDescriptions	SET SIZE (1..15) OF MultiplexEntryRejectionDescriptions,
	...
}

MultiplexEntryRejectionDescriptions	::=SEQUENCE
{
	multiplexTableEntryNumber	MultiplexTableEntryNumber,
	cause		CHOICE
	{
		unspecifiedCause	NULL,
		descriptorTooComplex	NULL,
		...
	},
	...
}

MultiplexEntrySendRelease	::=SEQUENCE
{
	multiplexTableEntryNumber	SET SIZE (1..15) OF MultiplexTableEntryNumber,
	...
}

RequestMultiplexEntry	::=SEQUENCE
{
	entryNumbers	SET SIZE (1..15) OF MultiplexTableEntryNumber,
	...
}

RequestMultiplexEntryAck	::=SEQUENCE
{
	entryNumbers	SET SIZE (1..15) OF MultiplexTableEntryNumber,
	...
}

RequestMultiplexEntryReject	::=SEQUENCE
{
	entryNumbers	SET SIZE (1..15) OF MultiplexTableEntryNumber,
	rejectionDescriptions	SET SIZE (1..15) OF RequestMultiplexEntryRejectionDescriptions,
	...
}

RequestMultiplexEntryRejectionDescriptions	::=SEQUENCE
{
	multiplexTableEntryNumber	MultiplexTableEntryNumber,
	cause		CHOICE
	{
		unspecifiedCause	NULL,
		...
	},
	...
}

RequestMultiplexEntryRelease	::=SEQUENCE
{
	entryNumbers	SET SIZE (1..15) OF MultiplexTableEntryNumber,
	...
}

 -- ===================================================================================
-- Request mode definitions
-- ===================================================================================

-- RequestMode is a list, in order or preference, of modes that a terminal would like
-- to have transmitted to it.

RequestMode	::=SEQUENCE
{
	sequenceNumber	SequenceNumber,
	requestedModes	SEQUENCE SIZE (1..256) OF ModeDescription,
	...
}

RequestModeAck	::=SEQUENCE
{
	sequenceNumber	SequenceNumber,
	response	CHOICE
	{
		willTransmitMostPreferredMode	NULL,
		willTransmitLessPreferredMode	NULL,
		...
	},
	...
}

RequestModeReject	::=SEQUENCE
{
	sequenceNumber	SequenceNumber,
	cause		CHOICE
	{
		modeUnavailable	NULL,
		multipointConstraint	NULL,
		requestDenied	NULL,
		...
	},
	...
}

RequestModeRelease	::=SEQUENCE
{
	...
}

-- ===================================================================================
-- Request mode definitions: Mode description
-- ===================================================================================

ModeDescription	::=SET SIZE (1..256) OF ModeElement

ModeElement	::= SEQUENCE
{
	type		CHOICE
	{
		nonStandard	NonStandardParameter,
		videoMode	VideoMode,
		audioMode	AudioMode,
		dataMode	DataMode,
		encryptionMode	EncryptionMode,
		...,
		h235Mode	H235Mode
	},

	h223ModeParameters	H223ModeParameters OPTIONAL,
	...,
	v76ModeParameters	V76ModeParameters OPTIONAL,
	h2250ModeParameters	H2250ModeParameters OPTIONAL

							 
}

H235Mode		::=SEQUENCE
{
	encryptionAuthenticationAndIntegrity	EncryptionAuthenticationAndIntegrity,

	mediaMode	CHOICE
	{
		nonStandard	NonStandardParameter,
		videoMode	VideoMode,
		audioMode	AudioMode,
		dataMode	DataMode,
		...
	},
	...
}

H223ModeParameters	::=SEQUENCE
{
	adaptationLayerType	CHOICE
	{
		nonStandard	NonStandardParameter,
		al1Framed	NULL,
		al1NotFramed	NULL,
		al2WithoutSequenceNumbers	NULL,
		al2WithSequenceNumbers	NULL,
		al3		SEQUENCE
		{
			controlFieldOctets	INTEGER(0..2),
			sendBufferSize	INTEGER(0..16777215)	-- units octets
		},
		...,
		al1M	H223AL1MParameters,
		al2M	H223AL2MParameters,
		al3M	H223AL3MParameters

	},

	segmentableFlag	BOOLEAN,
	...
}

V76ModeParameters	::=CHOICE
{
	suspendResumewAddress	NULL,
	suspendResumewoAddress	NULL,
	...
}

H2250ModeParameters	::=SEQUENCE
{
	redundancyEncodingMode	RedundancyEncodingMode OPTIONAL,
	...
}

RedundancyEncodingMode	::=SEQUENCE
{
	redundancyEncodingMethod	RedundancyEncodingMethod,
	secondaryEncoding	CHOICE
	{
		nonStandard	NonStandardParameter,
		audioData	AudioMode,
		...
	} OPTIONAL,
	...
}

-- ===================================================================================
-- Request mode definitions: Video modes
-- ===================================================================================

VideoMode		::=CHOICE
{
	nonStandard	NonStandardParameter,
	h261VideoMode	H261VideoMode,
	h262VideoMode	H262VideoMode,
	h263VideoMode	H263VideoMode,
	is11172VideoMode	IS11172VideoMode,
	...
}

H261VideoMode	::=SEQUENCE
{
	resolution	CHOICE
	{
		qcif	NULL,
		cif		NULL
	},
	bitRate	INTEGER (1..19200),	-- units 100 bit/s
	stillImageTransmission	BOOLEAN,
	...
}

H262VideoMode	::=SEQUENCE
{
	profileAndLevel	CHOICE
	{
		profileAndLevel-SPatML	NULL,
		profileAndLevel-MPatLL	NULL,
		profileAndLevel-MPatML	NULL,
		profileAndLevel-MPatH-14	NULL,
		profileAndLevel-MPatHL	NULL,
		profileAndLevel-SNRatLL	NULL,
		profileAndLevel-SNRatML	NULL,
		profileAndLevel-SpatialatH-14	NULL,
		profileAndLevel-HPatML	NULL,
		profileAndLevel-HPatH-14	NULL,
		profileAndLevel-HPatHL	NULL,
		...
	},
	videoBitRate	INTEGER(0..1073741823) OPTIONAL,	-- units 400bit/s
	vbvBufferSize	INTEGER(0..262143) OPTIONAL,	-- units 16384bits
	samplesPerLine	INTEGER(0..16383) OPTIONAL,	-- units samples/line
	linesPerFrame	INTEGER(0..16383) OPTIONAL,	-- units lines/frame
	framesPerSecond	INTEGER(0..15) OPTIONAL,	-- frame_rate_code
	luminanceSampleRate	INTEGER(0..4294967295) OPTIONAL,	-- units samples/sec
	...
}

H263VideoMode	::=SEQUENCE
{
	resolution	CHOICE
	{
		sqcif	NULL,	
		qcif	NULL,
		cif		NULL,
		cif4	NULL,
		cif16	NULL,
		...
	},
	bitRate	INTEGER (1..19200),	-- units 100 bit/s
	unrestrictedVector	BOOLEAN,
	arithmeticCoding	BOOLEAN,
	advancedPrediction	BOOLEAN,
	pbFrames	BOOLEAN,
	...,
								
	errorCompensation	BOOLEAN,
	enhancementLayerInfo	EnhancementLayerInfo OPTIONAL,
	h263Options	H263Options OPTIONAL
}

IS11172VideoMode	::=SEQUENCE
{
	constrainedBitstream	BOOLEAN,
	videoBitRate	INTEGER(0..1073741823) OPTIONAL,	-- units 400bit/s
	vbvBufferSize	INTEGER(0..262143) OPTIONAL,	-- units 16384bits
	samplesPerLine	INTEGER(0..16383) OPTIONAL,	-- units samples/line
	linesPerFrame	INTEGER(0..16383) OPTIONAL,	-- units lines/frame
	pictureRate	INTEGER(0..15) OPTIONAL,
	luminanceSampleRate	INTEGER(0..4294967295) OPTIONAL,	-- units samples/sec
	...
}

-- ===================================================================================
-- Request mode definitions: Audio modes
-- ===================================================================================

AudioMode	::=CHOICE
{
	nonStandard	NonStandardParameter,
	g711Alaw64k	NULL,
	g711Alaw56k	NULL,
	g711Ulaw64k	NULL,
	g711Ulaw56k	NULL,

	g722-64k	NULL,
	g722-56k	NULL,
	g722-48k	NULL,

	g728		NULL,
	g729		NULL,
	g729AnnexA	NULL,

	g7231		CHOICE
	{
		noSilenceSuppressionLowRate	NULL,
		noSilenceSuppressionHighRate	NULL,
		silenceSuppressionLowRate	NULL,
		silenceSuppressionHighRate	NULL
	},

	is11172AudioMode	IS11172AudioMode,
	is13818AudioMode	IS13818AudioMode,

	...,
	g729wAnnexB	INTEGER(1..256),
	g729AnnexAwAnnexB	INTEGER(1..256),
	g7231AnnexCMode	G7231AnnexCMode,
	gsmFullRate	GSMAudioCapability,
	gsmHalfRate	GSMAudioCapability,
	gsmEnhancedFullRate	GSMAudioCapability

}

IS11172AudioMode	::=SEQUENCE
{
	audioLayer	CHOICE
	{
		audioLayer1	NULL,
		audioLayer2	NULL,
		audioLayer3	NULL
	},

	audioSampling	CHOICE
	{
		audioSampling32k	NULL,
		audioSampling44k1	NULL,
		audioSampling48k	NULL
	},

	multichannelType	CHOICE
	{
		singleChannel	NULL,
		twoChannelStereo	NULL,
		twoChannelDual	NULL
	},

	bitRate	INTEGER (1..448),	--units kbit/s
	...
}

IS13818AudioMode	::=SEQUENCE
{
	audioLayer	CHOICE
	{
		audioLayer1	NULL,
		audioLayer2	NULL,
		audioLayer3	NULL
	},

	audioSampling	CHOICE
	{
		audioSampling16k	NULL,
		audioSampling22k05	NULL,
		audioSampling24k	NULL,
		audioSampling32k	NULL,