/// <summary>
/// Returns the number of bytes that can be read from this input stream without
/// blocking.
/// </summary>
/// <remarks>
/// Returns the number of bytes that can be read from this input stream without
/// blocking. The <code>available</code> method of <code>InputStream</code>
/// returns <code>0</code>. This method <B>should</B> be overridden by
/// subclasses.
/// </remarks>
/// <returns>
/// the number of bytes that can be read from this input stream without
/// blocking.
/// </returns>
/// <exception>
/// IOException
/// if an I/O error occurs.
/// </exception>
/// <exception cref="System.IO.IOException"/>
public override int Available()
{
if (!useWrap)
{
return(inStream.Available());
}
return(ofinish - ostart);
}
private List <MidiTimestampPair> ReadMidiMessages(MidiCommandHeader midiCommandHeader, DataInputStream midiInputStream)
{
List <MidiTimestampPair> result = new List <MidiTimestampPair>();
int status = -1;
ByteArrayOutputStream sysexDataStream = null;
int deltaTimeSum = midiCommandHeader.RtpHeader.Timestamp;
while (midiInputStream.Available() > 0)
{
int deltaTime;
if (midiCommandHeader.Z)
{
deltaTime = ReadDeltaTime(midiInputStream);
}
else
{
deltaTime = 0;
}
deltaTimeSum += deltaTime;
byte midiOctet1 = (byte)midiInputStream.ReadByte();
bool systemCommonMessage = (midiOctet1 & 0xF0) == 0xF0;
int possibleStatus = midiOctet1 & 0xFF;
if (systemCommonMessage)
{
if (midiOctet1 == (byte)SysexMessage.SYSTEM_EXCLUSIVE)
{
sysexDataStream = new ByteArrayOutputStream();
sysexDataStream.Write(midiOctet1);
bool partial = ReadSysexData(midiInputStream, sysexDataStream);
if (!partial)
{
result.Add(new MidiTimestampPair(deltaTimeSum,
new SysexMessage(sysexDataStream.ToByteArray(), sysexDataStream.Size())));
}
}
else
if (midiOctet1 == (byte)SysexMessage.SPECIAL_SYSTEM_EXCLUSIVE)
{
bool partial = ReadSysexData(midiInputStream, sysexDataStream);
if (!partial)
{
result.Add(new MidiTimestampPair(deltaTimeSum,
new SysexMessage(sysexDataStream.ToByteArray(), sysexDataStream.Size())));
}
}
else
if (midiOctet1 == (byte)0xF4)
{
sysexDataStream.Reset();
}
else
{
ShortMessage shortMessage = null;
switch (possibleStatus)
{
case ShortMessage.TUNE_REQUEST:
case ShortMessage.TIMING_CLOCK:
case ShortMessage.START:
case ShortMessage.STOP:
case ShortMessage.ACTIVE_SENSING:
case ShortMessage.SYSTEM_RESET:
status = possibleStatus;
shortMessage = new ShortMessage((byte)(status & 0xFF));
break;
case ShortMessage.MIDI_TIME_CODE:
case ShortMessage.SONG_SELECT:
status = possibleStatus;
shortMessage = new ShortMessage((byte)(status & 0xFF), (byte)midiInputStream.ReadByte());
break;
case ShortMessage.SONG_POSITION_POINTER:
status = possibleStatus;
shortMessage = new ShortMessage((byte)(status & 0xFF), (byte)midiInputStream.ReadByte(),
(byte)midiInputStream.ReadByte());
break;
default:
Log.Error("RtpMidi", "Invalid Message-status: {}", possibleStatus);
break;
}
if (shortMessage != null)
{
result.Add(new MidiTimestampPair(deltaTimeSum, shortMessage));
}
}
}
else
{
ShortMessage shortMessage = null;
switch (midiOctet1 & 0xF0)
{
case ShortMessage.NOTE_OFF:
case ShortMessage.NOTE_ON:
case ShortMessage.POLY_PRESSURE:
case ShortMessage.CONTROL_CHANGE:
case ShortMessage.PITCH_BEND:
status = possibleStatus;
shortMessage = new ShortMessage((byte)(status & 0xFF), (byte)midiInputStream.ReadByte(),
(byte)midiInputStream.ReadByte());
break;
case ShortMessage.PROGRAM_CHANGE:
case ShortMessage.CHANNEL_PRESSURE:
status = possibleStatus;
shortMessage = new ShortMessage((byte)(status & 0xFF), (byte)midiInputStream.ReadByte());
break;
default:
Log.Error("rtpMidi", "Invalid ShortMessage-status: {}", midiOctet1 & 0xF0);
break;
}
if (shortMessage != null)
{
result.Add(new MidiTimestampPair(deltaTimeSum, shortMessage));
}
}
}
return(result);
}
static void LoadResToCache()
{
string loon_default_font = "lfcache";
IsolatedStorageFile isoStorage = IsolatedStorageFile.GetUserStoreForApplication();
if (!isoStorage.FileExists(loon_default_font))
{
IsolatedStorageFileStream outStream = isoStorage.CreateFile(loon_default_font);
Stream gzip = null;
try
{
gzip = new GZipInputStream(XNAConfig.LoadStream(LSystem.FRAMEWORK_IMG_NAME + "font.zip"));
byte[] buffer = new byte[4096];
int charsRead;
while ((charsRead = gzip.Read(buffer, 0, buffer.Length)) != 0)
{
outStream.Write(buffer, 0, charsRead);
}
outStream.Flush();
if (gzip != null)
{
gzip.Close();
gzip.Dispose();
gzip = null;
}
buffer = null;
}
catch (Exception)
{
if (outStream != null)
{
outStream.Close();
outStream.Dispose();
outStream = null;
}
if (gzip != null)
{
gzip.Close();
gzip.Dispose();
gzip = null;
}
IsolatedStorageFile.GetUserStoreForApplication().DeleteFile(loon_default_font);
}
finally
{
if (outStream != null)
{
outStream.Close();
outStream = null;
}
}
}
Stream ins = null;
try
{
ins = isoStorage.OpenFile(loon_default_font, FileMode.Open);
DataInputStream resStream = new DataInputStream(ins);
realsize = resStream.ReadUnsignedByte();
offy = resStream.ReadByte();
fontSpace = (realsize + offy) * 2;
if (realsize > 0x10)
{
fontSpace *= 2;
}
int num = resStream.ReadInt();
int num2 = resStream.ReadByte();
byte[] bufferData = new byte[resStream.Available()];
resStream.Read(bufferData);
fontData = bufferData;
if (resStream != null)
{
resStream.Close();
resStream = null;
}
}
catch (Exception)
{
fontData = null;
if (ins != null)
{
ins.Close();
ins.Dispose();
ins = null;
}
LoadResToMemory();
}
finally
{
if (ins != null)
{
ins.Close();
ins.Dispose();
ins = null;
}
}
}