javax.sdp
Interface SdpConstants

public interface SdpConstants

The SdpConstants class contains the RTP/AVP related constants. Please refer to IETF RFC 2327 for a description of SDP.

Version:

1.0

Author:

deruelle

Field Summary

static int	AVP_DEFINED_STATIC_MAX Highest defined static payload type.
static int	AVP_DYNAMIC_MIN The minimum defined dynamic format value
static int[]	avpChannels Channels per static type.
static int[]	avpClockRates Clock rates for various AVP payload types indexed by their static payload types.
static String[]	avpTypeNames Names of AVP (Audio-Video Profile) payload types indexed on their static payload types.
static int	CELB Static RTP/AVP payload type for the CELB video codec.
static int	CN Static RTP/AVP payload type for the CN audio codec.
static int	CN_DEPRECATED Static RTP/AVP payload type for the CN audio codec.
static int	DVI4_11025 Static RTP/AVP payload type for the DVI4_11025 audio codec
static int	DVI4_16000 Static RTP/AVP payload type for the DVI4_16000 audio codec.
static int	DVI4_22050 Static RTP/AVP payload type for the DVI4_22050 audio codec.
static int	DVI4_8000 Static RTP/AVP payload type for the DVI4_8000 audio codec
static String	DYNAMIC Dynamic Payload type.
static String	FMTP RTP mapping attribute.
static int	G722 Static RTP/AVP payload type for the G722 audio codec.
static int	G723 Static RTP/AVP payload type for the G723 audio codec.
static int	G726_32 Static RTP/AVP payload type for the G726_32 audio codec.
static int	G728 Static RTP/AVP payload type for the G728 audio codec.
static int	G729 Static RTP/AVP payload type for the G729 audio codec.
static int	GSM Static RTP/AVP payload type for the GSM audio codec.
static int	H261 Static RTP/AVP payload type for the H261 video codec.
static int	H263 Static RTP/AVP payload type for the H263 video codec.
static int	JPEG Static RTP/AVP payload type for the JPEG video codec.
static int	L16_1CH Static RTP/AVP payload type for the L16_1CH audio codec.
static int	L16_2CH Static RTP/AVP payload type for the L16_2CH audio codec.
static int	LPC Static RTP/AVP payload type for the LPC audio codec
static int	MP2T Static RTP/AVP payload type for the MP2T video codec.
static int	MPA Static RTP/AVP payload type for the MPA audio codec.
static int	MPV Static RTP/AVP payload type for the MPV video codec.
static long	NTP_CONST Constant used to translate between NTP time used in SDP and "native" Java time.
static int	NV Static RTP/AVP payload type for the NV video codec
static int	PCMA Static RTP/AVP payload type for the PCMA audio codec.
static int	PCMU Static RTP/AVP payload type for the PCMU audio codec.
static int	QCELP Static RTP/AVP payload type for QCELP audio codec
static String	RESERVED Reserved Payload type.
static String	RTP_AVP RTP/AVP Protocol
static String	RTPMAP RTP mapping attribute.
static int	TENSIXTEEN Static RTP/AVP payload type for the TENSIXTEEN audio codec.
static String	UNASSIGNED Unassigned Payload type.

Field Detail

NTP_CONST

static final long NTP_CONST

Constant used to translate between NTP time used in SDP and "native" Java time. NTP time is defined as the number of seconds relative to midnight, January 1, 1900 and Java time is measured in number of milliseconds since midnight, January 1, 1970 UTC (see System#currentTimeMillis()}). The value of this constant is 2208988800L. It can be used to convert between NTP and Java time using the following formulas: ntpTime = (javaTime/1000) + SdpConstants.NTP_CONST; javaTime = (ntpTime - SdpConstants.NTP_CONST) * 1000; The Network Time Protocol (NTP) is defined in RFC 1305.

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Constant Field Values

RESERVED

static final String RESERVED

Reserved Payload type. An int greater than or equal to 0 and less than AVP_DEFINED_STATIC_MAX, but has not been assigned a value.

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UNASSIGNED

static final String UNASSIGNED

Unassigned Payload type. An int greater than or equal to AVP_DEFINED_STATIC_MAX and less than AVP_DYNAMIC_MIN - currently unassigned.

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DYNAMIC

static final String DYNAMIC

Dynamic Payload type. Any int less than 0 or greater than or equal to AVP_DYNAMIC_MIN

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Constant Field Values

RTP_AVP

static final String RTP_AVP

RTP/AVP Protocol

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RTPMAP

static final String RTPMAP

RTP mapping attribute. SDP is case-sensitive; RFC2327 specifies 'rtpmap' (all smallcap)

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FMTP

static final String FMTP

RTP mapping attribute.

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PCMU

static final int PCMU

Static RTP/AVP payload type for the PCMU audio codec.

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TENSIXTEEN

static final int TENSIXTEEN

Static RTP/AVP payload type for the TENSIXTEEN audio codec.

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G726_32

static final int G726_32

Static RTP/AVP payload type for the G726_32 audio codec.

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GSM

static final int GSM

Static RTP/AVP payload type for the GSM audio codec.

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G723

static final int G723

Static RTP/AVP payload type for the G723 audio codec.

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DVI4_8000

static final int DVI4_8000

Static RTP/AVP payload type for the DVI4_8000 audio codec

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DVI4_16000

static final int DVI4_16000

Static RTP/AVP payload type for the DVI4_16000 audio codec.

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LPC

static final int LPC

Static RTP/AVP payload type for the LPC audio codec

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PCMA

static final int PCMA

Static RTP/AVP payload type for the PCMA audio codec.

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G722

static final int G722

Static RTP/AVP payload type for the G722 audio codec.

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L16_2CH

static final int L16_2CH

Static RTP/AVP payload type for the L16_2CH audio codec.

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L16_1CH

static final int L16_1CH

Static RTP/AVP payload type for the L16_1CH audio codec.

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QCELP

static final int QCELP

Static RTP/AVP payload type for QCELP audio codec

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CN

static final int CN

Static RTP/AVP payload type for the CN audio codec.

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MPA

static final int MPA

Static RTP/AVP payload type for the MPA audio codec.

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G728

static final int G728

Static RTP/AVP payload type for the G728 audio codec.

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DVI4_11025

static final int DVI4_11025

Static RTP/AVP payload type for the DVI4_11025 audio codec

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DVI4_22050

static final int DVI4_22050

Static RTP/AVP payload type for the DVI4_22050 audio codec.

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G729

static final int G729

Static RTP/AVP payload type for the G729 audio codec.

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CN_DEPRECATED

static final int CN_DEPRECATED

Static RTP/AVP payload type for the CN audio codec.

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CELB

static final int CELB

Static RTP/AVP payload type for the CELB video codec.

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JPEG

static final int JPEG

Static RTP/AVP payload type for the JPEG video codec.

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NV

static final int NV

Static RTP/AVP payload type for the NV video codec

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H261

static final int H261

Static RTP/AVP payload type for the H261 video codec.

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MPV

static final int MPV

Static RTP/AVP payload type for the MPV video codec.

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MP2T

static final int MP2T

Static RTP/AVP payload type for the MP2T video codec.

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H263

static final int H263

Static RTP/AVP payload type for the H263 video codec.

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AVP_DEFINED_STATIC_MAX

static final int AVP_DEFINED_STATIC_MAX

Highest defined static payload type. This is (currently) 35.

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AVP_DYNAMIC_MIN

static final int AVP_DYNAMIC_MIN

The minimum defined dynamic format value

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avpTypeNames

static final String[] avpTypeNames

Names of AVP (Audio-Video Profile) payload types indexed on their static payload types.

avpClockRates

static final int[] avpClockRates

Clock rates for various AVP payload types indexed by their static payload types.

avpChannels

static final int[] avpChannels

Channels per static type.