Class Utility
Utility methods.
Inheritance
System.Object
    Utility
  Inherited Members
      System.Object.Equals(System.Object)
    
    
      System.Object.Equals(System.Object, System.Object)
    
    
      System.Object.GetHashCode()
    
    
      System.Object.GetType()
    
    
      System.Object.MemberwiseClone()
    
    
      System.Object.ReferenceEquals(System.Object, System.Object)
    
    
      System.Object.ToString()
    
  Namespace: FM.LiveSwitch.Vp8
Assembly: FM.LiveSwitch.dll
Syntax
public class Utility
  Methods
DeriveHeight(DataBuffer)
Derives the height.
Declaration
public static int DeriveHeight(DataBuffer buffer)
  Parameters
| Type | Name | Description | 
|---|---|---|
| DataBuffer | buffer | The buffer.  | 
      
Returns
| Type | Description | 
|---|---|
| System.Int32 | 
DeriveWidth(DataBuffer)
Derives the width.
Declaration
public static int DeriveWidth(DataBuffer buffer)
  Parameters
| Type | Name | Description | 
|---|---|---|
| DataBuffer | buffer | The buffer.  | 
      
Returns
| Type | Description | 
|---|---|
| System.Int32 | 
GetPictureIdDelta(Int32, Int32)
Retrieves the difference between two picture IDs while accounting for overflow rollover.
Declaration
public static int GetPictureIdDelta(int pictureId, int lastPictureId)
  Parameters
| Type | Name | Description | 
|---|---|---|
| System.Int32 | pictureId | The current picture ID.  | 
      
| System.Int32 | lastPictureId | The last picture ID.  | 
      
Returns
| Type | Description | 
|---|---|
| System.Int32 | The difference between the picture IDs.  | 
      
IsKeyFrame(DataBuffer)
Determines whether the buffer holds a keyframe. The data buffer must represent the payload of a VP8 packet.
Declaration
public static bool IsKeyFrame(DataBuffer buffer)
  Parameters
| Type | Name | Description | 
|---|---|---|
| DataBuffer | buffer | The buffer.  | 
      
Returns
| Type | Description | 
|---|---|
| System.Boolean |