/// <summary>
/// Determines whether this channel has any data to play
/// to allow optimisation to not read, but bump position forward
/// </summary>
public override bool HasData(int count)
{
if (count < 0)
{
throw new ArgumentOutOfRangeException("count", "Count must be greater than or equal to 0.");
}
if (_position >= _length)
{
return(false);
}
// Check whether the source stream has data.
// source stream should be in the right poisition
return(_sourceStream.HasData(count));
}
/// <summary>
/// Determines whether this channel has any data to play
/// to allow optimisation to not read, but bump position forward
/// </summary>
public override bool HasData(int count)
{
// Check whether the source stream has data.
bool sourceHasData = sourceStream.HasData(count);
if (sourceHasData)
{
if (position + count < 0)
{
return(false);
}
return((position < length) && (volume != 0));
}
return(false);
}