| private Pm_GetErrorText ( PortMidiSharp.MidiErrorType errnum ) : string | ||
| errnum | PortMidiSharp.MidiErrorType | |
| return | string | |
public int Read(byte[] buffer, int index, int length)
{
var gch = GCHandle.Alloc(buffer);
try
{
var ptr = Marshal.UnsafeAddrOfPinnedArrayElement(buffer, index);
int size = PortMidiMarshal.Pm_Read(stream, ptr, length);
if (size < 0)
{
throw new MidiException((MidiErrorType)size, PortMidiMarshal.Pm_GetErrorText((PmError)size));
}
return(size * 4);
}
catch
{
return(0);
}
finally
{
gch.Free();
}
}
public void Write(MidiEvent[] buffer, int index, int length)
{
var gch = GCHandle.Alloc(buffer);
try
{
var ptr = Marshal.UnsafeAddrOfPinnedArrayElement(buffer, index);
var ret = PortMidiMarshal.Pm_Write(stream, ptr, length);
if (ret != PmError.NoError)
{
throw new MidiException(ret, String.Format("Failed to write messages : {0}", PortMidiMarshal.Pm_GetErrorText((PmError)ret)));
}
}
finally
{
gch.Free();
}
}
public void WriteSysEx(PmTimestamp when, byte[] sysex)
{
var ret = PortMidiMarshal.Pm_WriteSysEx(stream, when, sysex);
if (ret != PmError.NoError)
{
throw new MidiException(ret, String.Format("Failed to write sysex message : {0}", PortMidiMarshal.Pm_GetErrorText((PmError)ret)));
}
}
public void Write(PmTimestamp when, MidiMessage msg)
{
var ret = PortMidiMarshal.Pm_WriteShort(stream, when, msg);
if (ret != PmError.NoError)
{
throw new MidiException(ret, String.Format("Failed to write message {0} : {1}", msg.Value, PortMidiMarshal.Pm_GetErrorText((PmError)ret)));
}
}