protected override void OnUnprepareBuffer(MidiBufferStream buffer)
{
Check.IfArgumentNull(buffer, "buffer");
int result = NativeMethods.midiOutUnprepareHeader(
MidiPort.MidiSafeHandle, buffer.ToIntPtr(), (uint)MemoryUtil.SizeOfMidiHeader);
MidiOutPortBase.ThrowIfError(result);
}
/// <summary>
/// Adds the <paramref name="buffer"/> to the midi port.
/// </summary>
/// <param name="buffer">Must not be null.</param>
private void AddBufferToPort(MidiBufferStream buffer)
{
Check.IfArgumentNull(buffer, "buffer");
// make sure the stream is rewound.
buffer.Position = 0;
int result = NativeMethods.midiInAddBuffer(
MidiPort.MidiSafeHandle,
buffer.ToIntPtr(),
(uint)MemoryUtil.SizeOfMidiHeader);
MidiInPort.ThrowIfError(result);
}
public override void LongData(MidiBufferStream buffer)
{
Check.IfArgumentNull(buffer, "buffer");
////if ((buffer.HeaderFlags & NativeMethods.MHDR_PREPARED) == 0)
////{
//// throw new InvalidOperationException("LongData cannot be called with a MidiBufferStream that has not been prepared.");
////}
buffer.BytesRecorded = buffer.Position;
int result = NativeMethods.midiStreamOut(
MidiSafeHandle,
buffer.ToIntPtr(),
(uint)MemoryUtil.SizeOfMidiHeader);
ThrowIfError(result);
}