private void ImportMenuItem_Click(object sender, EventArgs e)
{
if (listView1.SelectedIndices.Count == 0)
{
return;
}
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
string name = openFileDialog1.SafeFileName;
int id = listView1.SelectedIndices[0];
//BinaryReader br = new BinaryReader(File.OpenRead(openFileDialog1.FileName));
//byte[] data = br.ReadBytes((int)br.BaseStream.Length);
Stream stream = File.OpenRead(openFileDialog1.FileName);
BasicSoundFile file = BasicSoundFile.ReadFromStream(stream);
stream.Close();
ReplaceSoundTransaction transaction = new ReplaceSoundTransaction(datafile, cache, id, name, file.Data);
transactionManager.ApplyTransaction(transaction);
SoundData sound = datafile.Sounds[id];
ListViewItem lvi = new ListViewItem(sound.Name);
lvi.SubItems.Add(sound.Length.ToString());
lvi.SubItems.Add(sound.Offset.ToString());
lvi.SubItems.Add(id.ToString());
listView1.Items[id] = lvi;
}
}
public static BasicSoundFile ReadFromStream(Stream stream)
{
BasicSoundFile sound = new BasicSoundFile();
BinaryReader br = new BinaryReader(stream);
uint containerSig = br.ReadUInt32();// = Util.MakeSig(
if (containerSig != Util.MakeSig('R', 'I', 'F', 'F'))
{
throw new InvalidDataException("File is not a RIFF container.");
}
uint size = br.ReadUInt32();
uint formatSig = br.ReadUInt32();
if (formatSig != Util.MakeSig('W', 'A', 'V', 'E'))
{
throw new InvalidDataException("File is not in WAVE format.");
}
while (br.BaseStream.Position < size)
{
uint sig = br.ReadUInt32();
uint length = br.ReadUInt32();
long position = br.BaseStream.Position;
if (sig == Util.MakeSig('f', 'm', 't', ' '))
{
//TODO: Remove the four billion limitations here, make more flexible, this is why I was considering naudio originally I think.....
if (length < 16)
{
throw new InvalidDataException("Insufficient information in fmt header");
}
sound.FormatTag = br.ReadInt16();
if (sound.FormatTag != 1)
{
throw new InvalidDataException("Unsupported encoding method, only uncompressed waves are currently supported.");
}
sound.NumChannels = br.ReadInt16();
if (sound.NumChannels != 1 && sound.NumChannels != 2)
{
throw new InvalidDataException("Only mono or stereo sounds are supported. Preferrably mono.");
}
sound.SamplesPerSec = br.ReadInt32();
sound.AvgbytesPerSec = br.ReadInt32();
sound.BlockAlign = br.ReadInt16();
sound.BitsPerSample = br.ReadInt16();
}
else if (sig == Util.MakeSig('d', 'a', 't', 'a'))
{
//Strip stereo data
if (sound.NumChannels != 1)
{
uint numSamples = length / (uint)sound.NumChannels;
sound.Data = new byte[numSamples];
for (uint i = 0; i < numSamples; i++)
{
sound.Data[i] = br.ReadByte();
br.ReadBytes((int)numSamples - 1);
}
}
else
{
sound.Data = br.ReadBytes((int)length);
}
}
br.BaseStream.Seek(position + length, SeekOrigin.Begin);
}
return(sound);
}
