public static Stream AddXMAHeader(SndAssetBankEntry entry)
{
var data = entry.Data.Get();
var ms = new MemoryStream();
var writer = new BinaryWriter(ms);
writer.Write(new[] { (byte)'R', (byte)'I', (byte)'F', (byte)'F' });
writer.Write(data.Length + 0x34); // ChunkSize
writer.Write(new[] { (byte)'W', (byte)'A', (byte)'V', (byte)'E' });
writer.Write(new[] { (byte)'f', (byte)'m', (byte)'t', (byte)' ' });
writer.Write(0x20); // SubChunk1Size
writer.Write(new byte[] {
0x65, 0x01, 0x10, 0x00, 0xD6, 0x10, 0x00, 0x00, 0x01, 0x00, 0x00, 0x03,
0xE3, 0x9A, 0x00, 0x00
}); // Unknown XMA header data.
writer.Write(entry.SampleRate);
writer.Write(new byte[] {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
}); // Unknown XMA header data.
writer.Write(entry.ChannelCount);
writer.Write((short)2);
writer.Write(new[] { (byte)'d', (byte)'a', (byte)'t', (byte)'a' });
writer.Write(data.Length); // SubChunk2Size
writer.Write(data); // Data
ms.Position = 0;
return(ms);
}
private Stream DecodeFLAC(SndAssetBankEntry entry)
{
var wavOutput = new MemoryStream();
try
{
using (var input = new MemoryStream(entry.Data.Get()))
using (var wavWriter = new WavWriter(wavOutput))
using (var reader = new FlacReader(input, wavWriter))
{
reader.SampleProcessed += (s, args) =>
BeginInvoke(new MethodInvoker(() =>
currentTimetoolStripLabel.Text = "Please wait, decoding audio... " + args.Progress + "%"));
reader.Process();
}
wavOutput.Position = 0;
return(wavOutput);
}
catch (Exception e)
{
// Ignore exception for headerless FLAC
if (e.Message.IndexOf("until eof", StringComparison.InvariantCulture) != -1 &&
entry.Data is AudioDataStream && ((AudioDataStream)entry.Data).Stream is HeaderlessFLACStream)
{
wavOutput.Position = 0;
return(wavOutput);
}
return(null);
}
}
private void ReplaceAudio(SndAssetBankEntry entry, string inputFile)
{
// Begin conversion here.
var options = new ConvertOptions {
AudioChannels = entry.ChannelCount, SampleRate = entry.SampleRate
};
OnAudioReplaced(entry, ConvertProgressForm.Convert(inputFile, entry.Format, options));
}
private void OnAudioReplaced(SndAssetBankEntry entry, Stream newData)
{
if (newData == null || newData.Length == 0)
{
MessageBox.Show("Conversion failed, ensure the file you provided is valid.",
"Black Ops II Sound Studio", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
if (newData != null)
{
newData.Close();
}
return;
}
if (entry.Format == AudioFormat.PCMS16)
{
var sampleCount = newData.Length / (entry.ChannelCount * 2);
var duration = TimeSpan.FromMilliseconds(1000 * (float)sampleCount / entry.SampleRate);
if (duration > entry.Duration && duration.Subtract(entry.Duration).TotalSeconds >= 1)
{
if (MessageBox.Show(
"Duration mismatch detected. This is known to cause loading problems on single-player missions " +
"and has not been tested on multiplayer.\n\n" +
"Original Duration: " + FormatDuration(entry.Duration) + "\n" +
"New Duration: " + FormatDuration(duration) + "\n\n" +
"Are you sure you want to continue?",
"Black Ops II Sound Studio", MessageBoxButtons.YesNo,
MessageBoxIcon.Exclamation) == DialogResult.No)
{
newData.Close();
return;
}
}
entry.Duration = duration;
}
else
{
var helper = new ConvertHelper();
entry.Duration = helper.GetDuration(newData);
}
entry.Data = new AudioDataStream(newData, (int)newData.Length);
foreach (DataGridViewRow row in audioEntriesDataGridView.Rows)
{
if (row.Tag != entry)
{
continue;
}
foreach (DataGridViewCell cell in row.Cells)
{
cell.Style.BackColor = Color.LightBlue;
}
MessageBox.Show("Audio data has been successfully replaced.",
"Black Ops II Sound Studio", MessageBoxButtons.OK, MessageBoxIcon.Information);
break;
}
}
public static Stream GetAudioStreamFromEntry(SndAssetBankEntry entry)
{
if (entry.Format == AudioFormat.FLAC ||
entry.Format == AudioFormat.MP3)
{
return(new MemoryStream(entry.Data.Get()));
}
if (entry.Format == AudioFormat.PCMS16)
{
return(DecodeHeaderlessWav(entry));
}
return(AddXMAHeader(entry));
}
public static Stream DecodeHeaderlessWav(SndAssetBankEntry entry)
{
var data = entry.Data.Get();
var ms = new MemoryStream();
// Write the header.
using (var writer = new WavWriter(ms))
{
writer.WriteHeader(48000, 16, entry.ChannelCount);
writer.AudioDataBytes = data.Length;
}
// Write the data.
ms.Write(data, 0, data.Length);
data = ms.ToArray();
ms.Position = 0;
return(ms);
}