/// <summary>
/// Receives a long midi error message.
/// </summary>
/// <param name="buffer">The buffer containing the long midi message error.</param>
/// <param name="timestamp">Not used. A new timestamp is generated.</param>
public override void LongError(MidiBufferStream buffer, long timestamp)
{
if (NextErrorReceiver != null)
{
NextErrorReceiver.LongError(buffer, GetCurrentTimestamp());
}
}
/// <summary>
/// Pushes a long midi message into the queue, marked as error.
/// </summary>
/// <param name="buffer">A long midi message. Must not be null.</param>
/// <param name="timestamp">A time indication of the midi message.</param>
public void PushLongError(MidiBufferStream buffer, long timestamp)
{
MidiPortEvent rec = new MidiPortEvent(
MidiPortEventType.LongError, buffer, timestamp);
this.Push(rec);
}
/// <summary>
/// Sends the long midi message to the next sender chain component.
/// </summary>
/// <param name="buffer">The long midi message.</param>
/// <remarks>Long midi messages will reset the running status.</remarks>
public void LongData(MidiBufferStream buffer)
{
Check.IfArgumentNull(buffer, nameof(buffer));
RunningStatus = 0;
NextSenderLongData(buffer);
}
/// <summary>
/// Sends the long midi message to the next sender chain component.
/// </summary>
/// <param name="buffer">The long midi message.</param>
/// <remarks>Long midi messages will reset the running status.</remarks>
public void LongData(MidiBufferStream buffer)
{
Check.IfArgumentNull(buffer, "buffer");
this.RunningStatus = 0;
NextSenderLongData(buffer);
}
/// <summary>
/// Pushes a long midi message into the queue.
/// </summary>
/// <param name="buffer">A long midi message. Must not be null.</param>
/// <param name="timestamp">A time indication of the midi message.</param>
public void PushLongData(MidiBufferStream buffer, long timestamp)
{
MidiPortEvent rec = new MidiPortEvent(
MidiPortEventType.LongData, buffer, timestamp);
Push(rec);
}
public void LongData(MidiBufferStream buffer, long timeIndex)
{
if (MidiThru)
{
_outPort.LongData(buffer);
}
}
/// <summary>
/// Constructs a new instance on the <paramref name="stream"/>.
/// </summary>
/// <param name="stream">Must not be null.</param>
public MidiMessageOutStreamWriter(MidiBufferStream stream)
{
Check.IfArgumentNull(stream, nameof(stream));
BaseStream = stream;
StreamWriter = new MidiStreamEventWriter(stream);
}
public void LongData(MidiBufferStream buffer, long timestamp)
{
Trace.WriteLine("Receiving buffer: " + buffer.BytesRecorded);
var sysExBuffer = MidiSysExBuffer.From(buffer);
ScheduleAddBuffer(sysExBuffer);
}
/// <summary>
/// Constructs a new instance on the <paramref name="stream"/>.
/// </summary>
/// <param name="stream">Must not be null.</param>
public MidiMessageOutStreamWriter(MidiBufferStream stream)
{
Contract.Requires(stream != null);
Check.IfArgumentNull(stream, "stream");
this.BaseStream = stream;
this.StreamWriter = new MidiStreamEventWriter(stream);
}
/// <inheritdocs/>
public void LongData(MidiBufferStream buffer, long timestamp)
{
Check.IfArgumentNull(buffer, "buffer");
using (new ScopedStopWatch(LongPerformanceData))
{
NextReceiverLongData(buffer, timestamp);
}
}
/// <summary>
/// Call to relay the long midi message data to the next sender component in the chain.
/// </summary>
/// <param name="buffer">The long midi message data.</param>
/// <remarks>The method will fail graciously if the <see cref="Successor"/> property is not set.</remarks>
protected void NextSenderLongData(MidiBufferStream buffer)
{
Check.IfArgumentNull(buffer, nameof(buffer));
if (Successor != null)
{
Successor.LongData(buffer);
}
}
/// <summary>
/// Call to relay the long midi message data to the next receiver component in the chain.
/// </summary>
/// <param name="buffer">The long midi message data.</param>
/// <param name="timestamp">A time indication of the midi message.</param>
/// <remarks>The method will fail graciously if the <see cref="Successor"/> property is not set.</remarks>
protected void NextReceiverLongData(MidiBufferStream buffer, long timestamp)
{
Check.IfArgumentNull(buffer, nameof(buffer));
if (Successor != null)
{
Successor.LongData(buffer, timestamp);
}
}
/// <summary>
/// Constructs a new instance for a long midi message.
/// </summary>
/// <param name="recordType">A value appropriate for long midi messages.</param>
/// <param name="buffer">The long midi message. Must not be null.</param>
/// <param name="deltaTime">A time indication of the midi message.</param>
public MidiPortEvent(MidiPortEventType recordType, MidiBufferStream buffer, long deltaTime)
{
Check.IfArgumentOutOfRange <int>((int)recordType, (int)MidiPortEventType.LongData, (int)MidiPortEventType.LongError, "recordType");
this.RecordType = recordType;
this.Data = 0;
this.Buffer = buffer;
this.Timestamp = deltaTime;
}
/// <summary>
/// Constructs a new instance for a long midi message.
/// </summary>
/// <param name="recordType">A value appropriate for long midi messages.</param>
/// <param name="buffer">The long midi message. Must not be null.</param>
/// <param name="deltaTime">A time indication of the midi message.</param>
public MidiPortEvent(MidiPortEventType recordType, MidiBufferStream buffer, long deltaTime)
{
Check.IfArgumentOutOfRange <int>((int)recordType, (int)MidiPortEventType.LongData, (int)MidiPortEventType.LongError, nameof(recordType));
RecordType = recordType;
Data = 0;
Buffer = buffer;
Timestamp = deltaTime;
}
/// <summary>
/// Called to prepare <paramref name="buffer"/> for the port.
/// </summary>
/// <param name="buffer">Must not be null.</param>
/// <remarks>Buffers are also marked as streams.</remarks>
protected override void OnPrepareBuffer(MidiBufferStream buffer)
{
Check.IfArgumentNull(buffer, nameof(buffer));
base.OnPrepareBuffer(buffer);
// mark buffers as streams
buffer.HeaderFlags |= NativeMethods.MHDR_ISSTRM;
}
/// <summary>
/// Call to relay the long midi message data to the next receiver component in the chain.
/// </summary>
/// <param name="buffer">The long midi message data.</param>
/// <param name="timestamp">A time indication of the midi message.</param>
/// <remarks>The method will fail graciously if the <see cref="Successor"/> property is not set.</remarks>
protected void NextReceiverLongData(MidiBufferStream buffer, long timestamp)
{
Contract.Requires(buffer != null);
Check.IfArgumentNull(buffer, "buffer");
if (this.Successor != null)
{
this.Successor.LongData(buffer, timestamp);
}
}
/// <summary>
/// Call to relay the long midi message data to the next sender component in the chain.
/// </summary>
/// <param name="buffer">The long midi message data.</param>
/// <remarks>The method will fail graciously if the <see cref="Successor"/> property is not set.</remarks>
protected void NextSenderLongData(MidiBufferStream buffer)
{
Contract.Requires(buffer != null);
Check.IfArgumentNull(buffer, "buffer");
if (this.Successor != null)
{
this.Successor.LongData(buffer);
}
}
public static MidiSysExBuffer From(MidiBufferStream buffer)
{
int length = (int)buffer.BytesRecorded;
var sysExBuffer = new MidiSysExBuffer(length);
buffer.Position = 0;
buffer.Read(sysExBuffer._buffer, 0, length);
return(sysExBuffer);
}
/// <summary>
/// Constructs a new instance on the specified <paramref name="stream"/>.
/// </summary>
/// <param name="stream">A stream provided by a <see cref="MidiOutStreamPort"/>. Must not be null.</param>
public MidiStreamEventWriter(MidiBufferStream stream)
{
Check.IfArgumentNull(stream, "stream");
if (!stream.CanWrite)
{
throw new ArgumentException(
Properties.Resources.MidiStreamWriter_StreamNotWritable, "stream");
}
BaseStream = stream;
InnerWriter = new BinaryWriter(stream);
}
public MidiStreamEventWriter(MidiBufferStream stream)
{
Contract.Requires(stream != null);
Contract.Requires(stream.CanRead);
Check.IfArgumentNull(stream, "stream");
if (!stream.CanWrite)
{
throw new ArgumentException(
Properties.Resources.MidiStreamWriter_StreamNotWritable, "stream");
}
this.BaseStream = stream;
this.InnerWriter = new BinaryWriter(stream);
}
/// <summary>
/// Puts a long midi error in the queue.
/// </summary>
/// <param name="buffer">Error buffer. Must not be null.</param>
/// <param name="timestamp">A time indication of the midi message.</param>
public override void LongError(MidiBufferStream buffer, long timestamp)
{
Check.IfArgumentNull(buffer, "buffer");
this.queue.PushLongError(buffer, timestamp);
}
public void LongData(MidiBufferStream buffer, long timestamp)
{
//not implemented
}
/// <summary>
/// Passes the long midi message to the next receiver component. No filtering is applied.
/// </summary>
/// <param name="buffer">The long midi message data.</param>
/// <param name="timestamp">A time indication of the midi message.</param>
public void LongData(MidiBufferStream buffer, long timestamp)
{
Check.IfArgumentNull(buffer, "buffer");
NextReceiverLongData(buffer, timestamp);
}
public void LongData(MidiBufferStream buffer, long timestamp)
{
//not implemented
}
public void LongError(MidiBufferStream buffer, long timestamp)
{
_appData.ReceiveErrorCount++;
}
/// <inheritdocs/> public abstract void LongError(MidiBufferStream buffer, long timestamp);
/// <summary>
/// Puts a long midi error in the queue.
/// </summary>
/// <param name="buffer">Error buffer. Must not be null.</param>
/// <param name="timestamp">A time indication of the midi message.</param>
public override void LongError(MidiBufferStream buffer, long timestamp)
{
Check.IfArgumentNull(buffer, nameof(buffer));
_queue.PushLongError(buffer, timestamp);
}
private static MidiOutPortBase ProcessStreaming(int outPortId, MidiFileData fileData,
IEnumerable <MidiFileEvent> notes, MidiOutPortCaps caps)
{
var outPort = new MidiOutStreamPort();
outPort.Open(outPortId);
outPort.BufferManager.Initialize(10, 1024);
outPort.TimeDivision = fileData.Header.TimeDivision;
// TODO: extract Tempo from meta messages from the file.
// 120 bpm (uSec/QuarterNote).
outPort.Tempo = 500000;
Console.WriteLine(String.Format("Midi Out Stream Port '{0}' is now open.", caps.Name));
MidiMessageOutStreamWriter writer = null;
MidiBufferStream buffer = null;
MidiFileEvent lastNote = null;
foreach (var note in notes)
{
if (writer == null)
{
// brute force buffer aqcuirement.
// when callbacks are implemented this will be more elegant.
do
{
buffer = outPort.BufferManager.RetrieveBuffer();
if (buffer != null)
{
break;
}
Thread.Sleep(50);
} while (buffer == null);
writer = new MidiMessageOutStreamWriter(buffer);
}
if (writer.CanWrite(note.Message))
{
if (lastNote != null)
{
// fixup delta time artifically...
writer.Write(note.Message, (int)(note.AbsoluteTime - lastNote.AbsoluteTime));
}
else
{
writer.Write(note.Message, (int)note.DeltaTime);
}
}
else
{
outPort.LongData(buffer);
writer = null;
Console.WriteLine("Buffer sent...");
if (!outPort.HasStatus(MidiPortStatus.Started))
{
outPort.Restart();
}
}
lastNote = note;
}
return(outPort);
}
public void LongData(MidiBufferStream buffer, long timestamp)
{
}
public void LongData(MidiBufferStream buffer, long timestamp)
{
// we're not doing sys-ex.
}
