Utility methods. More...

Public Member Functions
	Utility ()

Static Public Member Functions
static int	getNaluLength (fm.liveswitch.DataBuffer encodedFrame, int offset)
	Gets the NALU length at the specified offset. More...

static int	getNaluType (fm.liveswitch.DataBuffer encodedFrame)
	Gets the NALU type. More...

static int	getNaluType (fm.liveswitch.DataBuffer encodedFrame, int offset)
	Gets the NALU type at the specified offset. More...

static int[]	getNaluTypes (fm.liveswitch.DataBuffer encodedFrame)
	Gets the NALU types. More...

static fm.liveswitch.NullableInteger	getPacketizationMode (fm.liveswitch.sdp.FormatParametersAttribute formatParametersAttribute)
	Gets the packetization mode from an H.264 format parameters attribute. More...

static fm.liveswitch.NullableInteger	getPacketizationMode (fm.liveswitch.sdp.rtp.MapAttribute rtpMapAttribute)
	Gets the packetization mode from the related format parameters attribute of an H.264 RTP map attribute. More...

static fm.liveswitch.h264.ProfileLevelId	getProfileLevelId (fm.liveswitch.sdp.FormatParametersAttribute formatParametersAttribute)
	Gets the prolfile level id from an H.264 format parameters attribute. More...

static fm.liveswitch.h264.ProfileLevelId	getProfileLevelId (fm.liveswitch.sdp.rtp.MapAttribute rtpMapAttribute)
	Gets the profile level id from the related format parameters attribute of an H.264 RTP map attribute. More...

static int	getStartCodeLength (fm.liveswitch.DataBuffer encodedFrame, int offset)
	Gets the start code length at the specified offset. More...

static int[]	getSupportedPacketizationModes ()
	Gets the supported packetization modes. More...

static int[]	getSupportedProfileIdcs ()
	Gets the supported profile ID codes. More...

static boolean	isAud (fm.liveswitch.DataBuffer encodedFrame)
	Determines whether the encoded frame starts with an AUD NALU. More...

static boolean	isAud (fm.liveswitch.DataBuffer encodedFrame, int offset)
	Determines whether the encoded frame starts with an AUD NALU. More...

static boolean	isIdr (fm.liveswitch.DataBuffer encodedFrame)
	Determines whether the encoded frame starts with an IDR NALU. More...

static boolean	isIdr (fm.liveswitch.DataBuffer encodedFrame, int offset)
	Determines whether the encoded frame starts with an IDR NALU. More...

static boolean	isKeyFrame (fm.liveswitch.DataBuffer encodedFrame)
	Determines whether the encoded frame starts with a keyframe (IDR, PPS, or SPS). More...

static boolean	isNaluType (int naluType, fm.liveswitch.DataBuffer encodedFrame, int offset)
	Determines whether the encoded frame starts with a given NALU type. More...

static boolean	isPps (fm.liveswitch.DataBuffer encodedFrame)
	Determines whether the encoded frame starts with a PPS NALU. More...

static boolean	isPps (fm.liveswitch.DataBuffer encodedFrame, int offset)
	Determines whether the encoded frame starts with a PPS NALU. More...

static boolean	isSps (fm.liveswitch.DataBuffer encodedFrame)
	Determines whether the encoded frame starts with an SPS NALU. More...

static boolean	isSps (fm.liveswitch.DataBuffer encodedFrame, int offset)
	Determines whether the encoded frame starts with an SPS NALU. More...

static fm.liveswitch.DataBuffer	trimAud (fm.liveswitch.DataBuffer encodedFrame)
	Trims an AUD NALU from the start of the encoded frame, if one exists. More...

Detailed Description

Utility methods.

Constructor & Destructor Documentation

◆ Utility()

fm.liveswitch.h264.Utility.Utility ( )

Member Function Documentation

◆ getNaluLength()

static int fm.liveswitch.h264.Utility.getNaluLength	(	fm.liveswitch.DataBuffer	encodedFrame,
		int	offset
	)

static

Gets the NALU length at the specified offset.

Parameters

encodedFrame	The encoded frame.
offset	The offset into the encoded frame.

◆ getNaluType() [1/2]

static int fm.liveswitch.h264.Utility.getNaluType ( fm.liveswitch.DataBuffer encodedFrame )

static

Gets the NALU type.

Parameters

encodedFrame The encoded frame.

◆ getNaluType() [2/2]

static int fm.liveswitch.h264.Utility.getNaluType	(	fm.liveswitch.DataBuffer	encodedFrame,
		int	offset
	)

static

Gets the NALU type at the specified offset.

Parameters

encodedFrame	The encoded frame.
offset	The offset into the encoded frame.

◆ getNaluTypes()

static int [] fm.liveswitch.h264.Utility.getNaluTypes ( fm.liveswitch.DataBuffer encodedFrame )

static

Gets the NALU types.

Parameters

encodedFrame The encoded frame.

◆ getPacketizationMode() [1/2]

static fm.liveswitch.NullableInteger fm.liveswitch.h264.Utility.getPacketizationMode ( fm.liveswitch.sdp.FormatParametersAttribute formatParametersAttribute )

static

Gets the packetization mode from an H.264 format parameters attribute.

Parameters

formatParametersAttribute The format parameters attribute.

◆ getPacketizationMode() [2/2]

static fm.liveswitch.NullableInteger fm.liveswitch.h264.Utility.getPacketizationMode ( fm.liveswitch.sdp.rtp.MapAttribute rtpMapAttribute )

static

Gets the packetization mode from the related format parameters attribute of an H.264 RTP map attribute.

Parameters

rtpMapAttribute The RTP map attribute.

◆ getProfileLevelId() [1/2]

static fm.liveswitch.h264.ProfileLevelId fm.liveswitch.h264.Utility.getProfileLevelId ( fm.liveswitch.sdp.FormatParametersAttribute formatParametersAttribute )

static

Gets the prolfile level id from an H.264 format parameters attribute.

Parameters

formatParametersAttribute The format parameters attribute.

◆ getProfileLevelId() [2/2]

static fm.liveswitch.h264.ProfileLevelId fm.liveswitch.h264.Utility.getProfileLevelId ( fm.liveswitch.sdp.rtp.MapAttribute rtpMapAttribute )

static

Gets the profile level id from the related format parameters attribute of an H.264 RTP map attribute.

Parameters

rtpMapAttribute The RTP map attribute.

◆ getStartCodeLength()

static int fm.liveswitch.h264.Utility.getStartCodeLength	(	fm.liveswitch.DataBuffer	encodedFrame,
		int	offset
	)

static

Gets the start code length at the specified offset.

Parameters

encodedFrame	The encoded frame.
offset	The offset into the encoded frame.

◆ getSupportedPacketizationModes()

static int [] fm.liveswitch.h264.Utility.getSupportedPacketizationModes ( )

static

Gets the supported packetization modes.

◆ getSupportedProfileIdcs()

static int [] fm.liveswitch.h264.Utility.getSupportedProfileIdcs ( )

static

Gets the supported profile ID codes.

◆ isAud() [1/2]

static boolean fm.liveswitch.h264.Utility.isAud ( fm.liveswitch.DataBuffer encodedFrame )

static

Determines whether the encoded frame starts with an AUD NALU.

Parameters

encodedFrame The encoded frame.

◆ isAud() [2/2]

static boolean fm.liveswitch.h264.Utility.isAud	(	fm.liveswitch.DataBuffer	encodedFrame,
		int	offset
	)

static

Determines whether the encoded frame starts with an AUD NALU.

Parameters

encodedFrame	The encoded frame.
offset	The offset into the encoded frame.

◆ isIdr() [1/2]

static boolean fm.liveswitch.h264.Utility.isIdr ( fm.liveswitch.DataBuffer encodedFrame )

static

Determines whether the encoded frame starts with an IDR NALU.

Parameters

encodedFrame The encoded frame.

◆ isIdr() [2/2]

static boolean fm.liveswitch.h264.Utility.isIdr	(	fm.liveswitch.DataBuffer	encodedFrame,
		int	offset
	)

static

Determines whether the encoded frame starts with an IDR NALU.

Parameters

encodedFrame	The encoded frame.
offset	The offset into the encoded frame.

◆ isKeyFrame()

static boolean fm.liveswitch.h264.Utility.isKeyFrame ( fm.liveswitch.DataBuffer encodedFrame )

static

Determines whether the encoded frame starts with a keyframe (IDR, PPS, or SPS).

Parameters

encodedFrame The encoded frame.

◆ isNaluType()

static boolean fm.liveswitch.h264.Utility.isNaluType	(	int	naluType,
		fm.liveswitch.DataBuffer	encodedFrame,
		int	offset
	)

static

Determines whether the encoded frame starts with a given NALU type.

Parameters

naluType	The NALU type.
encodedFrame	The encoded frame.
offset	The offset into the encoded frame.

◆ isPps() [1/2]

static boolean fm.liveswitch.h264.Utility.isPps ( fm.liveswitch.DataBuffer encodedFrame )

static

Determines whether the encoded frame starts with a PPS NALU.

Parameters

encodedFrame The encoded frame.

◆ isPps() [2/2]

static boolean fm.liveswitch.h264.Utility.isPps	(	fm.liveswitch.DataBuffer	encodedFrame,
		int	offset
	)

static

Determines whether the encoded frame starts with a PPS NALU.

Parameters

encodedFrame	The encoded frame.
offset	The offset into the encoded frame.

◆ isSps() [1/2]

static boolean fm.liveswitch.h264.Utility.isSps ( fm.liveswitch.DataBuffer encodedFrame )

static

Determines whether the encoded frame starts with an SPS NALU.

Parameters

encodedFrame The encoded frame.

◆ isSps() [2/2]

static boolean fm.liveswitch.h264.Utility.isSps	(	fm.liveswitch.DataBuffer	encodedFrame,
		int	offset
	)

static

Determines whether the encoded frame starts with an SPS NALU.

Parameters

encodedFrame	The encoded frame.
offset	The offset into the encoded frame.

◆ trimAud()

static fm.liveswitch.DataBuffer fm.liveswitch.h264.Utility.trimAud ( fm.liveswitch.DataBuffer encodedFrame )

static

Trims an AUD NALU from the start of the encoded frame, if one exists.

Parameters

encodedFrame The encoded frame.

Public Member Functions

Static Public Member Functions

Detailed Description

Constructor & Destructor Documentation

◆ Utility()

Member Function Documentation

◆ getNaluLength()

◆ getNaluType() [1/2]

◆ getNaluType() [2/2]

◆ getNaluTypes()

◆ getPacketizationMode() [1/2]

◆ getPacketizationMode() [2/2]

◆ getProfileLevelId() [1/2]

◆ getProfileLevelId() [2/2]

◆ getStartCodeLength()

◆ getSupportedPacketizationModes()

◆ getSupportedProfileIdcs()

◆ isAud() [1/2]

◆ isAud() [2/2]

◆ isIdr() [1/2]

◆ isIdr() [2/2]

◆ isKeyFrame()

◆ isNaluType()

◆ isPps() [1/2]

◆ isPps() [2/2]

◆ isSps() [1/2]

◆ isSps() [2/2]

◆ trimAud()