public XAudio2SourceVoice(IntPtr instance, AudioChannelFormat channelFormat, int frequency) : base(instance)
{
ChannelFormat = channelFormat;
Frequency = frequency;
StartNative = GetDelegateForVTable <StartDelegate>(19);
SubmitSourceBufferNative = GetDelegateForVTable <SubmitSourceBufferDelegate>(21);
GetStateNative = GetDelegateForVTable <GetStateDelegate>(25);
}
/// <summary>
/// Set our state delegate...
/// </summary>
public static void SetStateDelegate(GetStateDelegate a_getstatedelegate)
{
GetState = a_getstatedelegate;
}
/// <summary>
/// Let the caller override our delegates with their own functions...
/// </summary>
/// <param name="a_closedelegate">use this to close the logging session</param>
/// <param name="a_getleveldelegate">get the current log level</param>
/// <param name="a_opendelegate">open the logging session</param>
/// <param name="a_registertwaindelegate">not needed at this time</param>
/// <param name="a_setflushdelegate">turn flushing on and off</param>
/// <param name="a_setleveldelegate">set the new log level</param>
/// <param name="a_writeentrydelegate">the function that actually writes to the log</param>
/// <param name="a_getstatedelegate">returns a way to get the current TWAIN state</param>
public static void Override
(
CloseDelegate a_closedelegate,
GetLevelDelegate a_getleveldelegate,
OpenDelegate a_opendelegate,
RegisterTwainDelegate a_registertwaindelegate,
SetFlushDelegate a_setflushdelegate,
SetLevelDelegate a_setleveldelegate,
WriteEntryDelegate a_writeentrydelegate,
out GetStateDelegate a_getstatedelegate
)
{
Close = (a_closedelegate != null) ? a_closedelegate : CloseLocal;
GetLevel = (a_getleveldelegate != null) ? a_getleveldelegate : GetLevelLocal;
Open = (a_opendelegate != null) ? a_opendelegate : OpenLocal;
RegisterTwain = (a_registertwaindelegate != null) ? a_registertwaindelegate : RegisterTwainLocal;
SetFlush = (a_setflushdelegate != null) ? a_setflushdelegate : SetFlushLocal;
SetLevel = (a_setleveldelegate != null) ? a_setleveldelegate : SetLevelLocal;
WriteEntry = (a_writeentrydelegate != null) ? a_writeentrydelegate : WriteEntryLocal;
a_getstatedelegate = GetStateLocal;
}
