Class IPvH264AccessUnit

Generic, read-only H264 access unit interface.

Inheritance

object

IPvH264AccessUnit

Implements

IDisposable

Inherited Members

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Namespace: eBUSDotNet

Assembly: eBUSDotNet.dll

Syntax

public class IPvH264AccessUnit : IDisposable

Fields

swigCMemOwn

Determines who is responsible for deleting the underlying C++ object.

Declaration

protected bool swigCMemOwn

Field Value

Type	Description
bool

Properties

Height

Height of the H264 frame.

Declaration

public virtual uint Height { get; }

Property Value

Type	Description
uint

NALCount

Number of NAL units.

Declaration

public virtual uint NALCount { get; }

Property Value

Type	Description
uint

NALDataSize

NAL data size.

Declaration

public virtual uint NALDataSize { get; }

Property Value

Type	Description
uint

OffsetBottom

Bottom offset.

Declaration

public virtual uint OffsetBottom { get; }

Property Value

Type	Description
uint

OffsetLeft

Left offset.

Declaration

public virtual uint OffsetLeft { get; }

Property Value

Type	Description
uint

OffsetRight

Right offset.

Declaration

public virtual uint OffsetRight { get; }

Property Value

Type	Description
uint

OffsetTop

Top offset.

Declaration

public virtual uint OffsetTop { get; }

Property Value

Type	Description
uint

PvDuration

Duration of the access unit.

Declaration

public virtual ulong PvDuration { get; }

Property Value

Type	Description
ulong

PvSize

Size of the H264 access unit in bytes.

Declaration

public virtual uint PvSize { get; }

Property Value

Type	Description
uint

Width

Width of the H264 frame.

Declaration

public virtual uint Width { get; }

Property Value

Type	Description
uint

Methods

AddNAL(byte[], uint)

Copies a NAL to this access unit.

Declaration

public virtual PvResult AddNAL(byte[] aPtr, uint aLength)

Parameters

Type	Name	Description
byte[]	aPtr	Pointer to the NAL to copy.
uint	aLength	Length of the NAL to copy.

Returns

Type	Description
PvResult	Includes: - #PvResult::Code::OK

Alloc(ulong)

Allocates memory for this access unit.

Declaration

public virtual PvResult Alloc(ulong aPayloadLength)

Parameters

Type	Name	Description
ulong	aPayloadLength	The raw payload length of the H264 Access Unit data, in bytes. See GetNALDataSize.

Returns

Type	Description
PvResult	Includes: - #PvResult::Code::OK - #PvResult::Code::NOT_ENOUGH_MEMORY

Alloc(ulong, uint)

Allocates memory for this access unit.

Declaration

public virtual PvResult Alloc(ulong aPayloadLength, uint aMaximumChunkLength)

Parameters

Type	Name	Description
ulong	aPayloadLength	The raw payload length of the H264 Access Unit data, in bytes. See GetNALDataSize.
uint	aMaximumChunkLength	Maximum size in bytes to store chunks ( must include extra 64 bits by chunks for headers ).

Returns

Type	Description
PvResult	Includes: - #PvResult::Code::OK - #PvResult::Code::NOT_ENOUGH_MEMORY

CopyNALData(byte[], uint, uint, uint)

Copies NAL data to the buffer

Declaration

public virtual PvResult CopyNALData(byte[] aPtr, uint aLength, uint aWidth, uint aHeight)

Parameters

Type	Name	Description
byte[]	aPtr	Pointer to the NAL data.
uint	aLength	Data length in bytes.
uint	aWidth	Width of the compressed video stream.
uint	aHeight	Height of the compressed video stream.

Returns

Type	Description
PvResult	Includes: - #PvResult::Code::OK - #PvResult::Code::INVALID_PARAMETER

Dispose()

Dispose.

Declaration

public void Dispose()

Dispose(bool)

Dispose

Declaration

protected virtual void Dispose(bool disposing)

Parameters

Type	Name	Description
bool	disposing

~IPvH264AccessUnit()

Destructor.

Declaration

protected ~IPvH264AccessUnit()

Free()

Frees (de-allocates) the buffer's internal memory.

Declaration

public virtual void Free()

See Also

Alloc(ulong, uint)

GetNALDataPtr()

Returns a pointer to the raw NAL data buffer.

Declaration

public virtual byte* GetNALDataPtr()

Returns

Type	Description
byte*	Pointer to the first NAL.

GetNALPtr(uint, out byte*, out uint)

Returns a pointer to a NAL stored in this access unit.

Declaration

public virtual PvResult GetNALPtr(uint aIndex, out byte* aPtr, out uint aLength)

Parameters

Type	Name	Description
uint	aIndex	Zero-based index of the NAL.
byte*	aPtr	Pointer to the NAL.
uint	aLength	NAL length in bytes.

Returns

Type	Description
PvResult	Includes: - #PvResult::Code::OK - #PvResult::Code::NOT_FOUND if aIndex is invalid.

HasSPS()

Indicates if this access unit has SPS NALs.

Declaration

public virtual bool HasSPS()

Returns

Type	Description
bool	true if SPS NALs are present; otherwise, false.

Reset()

Resets the access unit

Declaration

public virtual void Reset()

Implements

IDisposable