private void frmOpen_Load(object sender, EventArgs e)
{
if (IVAUD.readType())
{
if (IVAUD.fileType == IVAUD.IVAUDType.Single)
{
radioButtonSingle.Checked = true;
}
else if (IVAUD.fileType == IVAUD.IVAUDType.SingleC)
{
radioButtonSingleC.Checked = true;
}
else if (IVAUD.fileType == IVAUD.IVAUDType.Multi)
{
radioButtonMulti.Checked = true;
}
else if (IVAUD.fileType == IVAUD.IVAUDType.MultiC)
{
radioButtonMultiC.Checked = true;
}
else
{
MessageBox.Show("An error occured while determing the audio file type. (OPEN1)", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
this.Dispose();
}
}
else
{
MessageBox.Show("An error occured while determing the audio file type. (OPEN2)", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
this.Dispose();
}
}
public static bool replaceSample(int sampleIndex, string path)
{
long offset = IVAUDSingle.WIoffset[sampleIndex] + IVAUDSingle.headerSize;
byte[] dataBefore = new byte[offset - IVAUDSingle.headerSize];
byte[] dataAfter = new byte[IVAUD.file.Length - (offset + IVAUDSingle.WInumSamplesInBytes_computed[sampleIndex])];
//Get data between header and replaced sample
IVAUD.file.Seek(IVAUDSingle.headerSize, SeekOrigin.Begin);
IVAUD.file.Read(dataBefore, 0, dataBefore.Length);
//Get data between replaced sample and eof
IVAUD.file.Seek(offset + IVAUDSingle.WInumSamplesInBytes_computed[sampleIndex], SeekOrigin.Begin);
IVAUD.file.Read(dataAfter, 0, dataAfter.Length);
//Close file
IVAUD.close();
//Open WAV file and encode it
WAVFile wav = new WAVFile();
wav.Open(path, WAVFile.WAVFileMode.READ);
MemoryStream ms = new MemoryStream();
IMAADPCM.ADPCMState state = new IMAADPCM.ADPCMState();
//byte enc1, enc2;
byte[] bytes = new byte[2];
int loopValue = ((wav.DataSizeBytes - 8) / wav.BytesPerSample);
/*Debug.WriteLine((((wav.DataSizeBytes - 8) / wav.BytesPerSample)) / 2);
* Debug.WriteLine(wav.NumSamples / 2);
* Debug.WriteLine((((wav.DataSizeBytes - 8) / wav.BytesPerSample)));
* Debug.WriteLine(wav.NumSamples);*/
//for (long i = 0; i < wav.NumSamples / 2; i++) {
for (long i = 0; i < loopValue / 2; i++)
{
bytes[0] = IMAADPCM.encodeADPCM(wav.GetNextSampleAs16Bit(), ref state);
bytes[1] = IMAADPCM.encodeADPCM(wav.GetNextSampleAs16Bit(), ref state);
ms.Write(BitConverter.GetBytes(Convert.ToInt32(Utils.binaryString(bytes[1], 4) + Utils.binaryString(bytes[0], 4), 2)), 0, 1);
}
long originalOffset = offset + IVAUDSingle.WInumSamplesInBytes_computed[sampleIndex];
//Change header values
IVAUDSingle.WInumSamplesInBytes[sampleIndex] = (int)ms.Length;
IVAUDSingle.WInumSamplesInBytes_computed[sampleIndex] = Utils.getPaddedSize(IVAUDSingle.WInumSamplesInBytes[sampleIndex]);
IVAUDSingle.WInumSamples16Bit[sampleIndex] = (int)(ms.Length * 2);
IVAUDSingle.WIsamplerate[sampleIndex] = (ushort)wav.SampleRateHz;
if (IVAUDSingle.WIHsize[sampleIndex] > 32)
{
IVAUDSingle.WInumSamples16Bit2[sampleIndex] = (uint)(ms.Length * 2);
}
//Change later offsets
long newOffset = offset + IVAUDSingle.WInumSamplesInBytes_computed[sampleIndex];
long offsetChange = newOffset - originalOffset;
for (int i = 0; i < IVAUDSingle.WIHoffset.Count; i++)
{
if ((IVAUDSingle.WIoffset[i] + IVAUDSingle.headerSize) > offset)
{
IVAUDSingle.WIoffset[i] += offsetChange;
}
}
wav.Close();
//Get WAV data
byte[] dataWAV = new byte[ms.Length];
ms.Seek(0, SeekOrigin.Begin);
ms.Read(dataWAV, 0, (int)ms.Length);
ms.Close();
//Write header
FileStream fs = new FileStream(Environment.GetEnvironmentVariable("TEMP") + "\\IVATB\\Current" + Utils.sessionID + ".tmp", FileMode.Open, FileAccess.ReadWrite);
fs.Seek(0, SeekOrigin.Begin);
if (!IVAUDSingle.write(fs))
{
return(false);
}
//Write before-data
fs.Seek(IVAUDSingle.headerSize, SeekOrigin.Begin);
fs.Write(dataBefore, 0, dataBefore.Length);
//Write sample
fs.Seek(offset, SeekOrigin.Begin);
fs.Write(dataWAV, 0, dataWAV.Length);
//Write after-data
fs.Seek(offset + IVAUDSingle.WInumSamplesInBytes_computed[sampleIndex], SeekOrigin.Begin);
fs.Write(dataAfter, 0, dataAfter.Length);
//Fix file length if needed
if (offsetChange < 0)
{
fs.SetLength(fs.Length + offsetChange);
}
fs.Close();
//Replace the file
//IVAUD.close();
//File.Copy(Environment.GetEnvironmentVariable("TEMP") + "\\IVATB\\Replace" + Utils.sessionID + ".tmp", Environment.GetEnvironmentVariable("TEMP") + "\\IVATB\\Current" + Utils.sessionID + ".tmp", true);
//Reload the file
IVAUD.load(Environment.GetEnvironmentVariable("TEMP") + "\\IVATB\\Current" + Utils.sessionID + ".tmp");
return(true);
}