/// <summary>
/// Encodes the given sound mod file to Opus
/// </summary>
/// <param name="opusEncPath">path to the opusenc executable</param>
/// <param name="soundMod">sound mod</param>
/// <returns>the encoded Opus file data</returns>
public static byte[] EncodeSoundModFileToOpus(string opusEncPath, SoundModFile soundMod)
{
// Write the .wav file to a temp file in the disk
var tempSoundFilePath = Path.Combine(Path.GetTempPath(), soundMod.Name);
var tempEncSoundFilePath = Path.Combine(Path.GetTempPath(), Path.GetFileNameWithoutExtension(soundMod.Name) + ".ogg");
// Delete the temp files first in case they exist for some reason
if (File.Exists(tempSoundFilePath))
{
File.Delete(tempSoundFilePath);
}
if (File.Exists(tempEncSoundFilePath))
{
File.Delete(tempEncSoundFilePath);
}
File.WriteAllBytes(tempSoundFilePath, soundMod.FileData.GetBuffer());
// Encode the file to .ogg
var opusEncProcess = new Process();
opusEncProcess.StartInfo.UseShellExecute = false;
opusEncProcess.StartInfo.FileName = opusEncPath;
opusEncProcess.StartInfo.Arguments = $"--quiet \"{tempSoundFilePath}\" \"{tempEncSoundFilePath}\"";
opusEncProcess.StartInfo.RedirectStandardError = true;
opusEncProcess.StartInfo.RedirectStandardOutput = true;
opusEncProcess.StartInfo.CreateNoWindow = false;
opusEncProcess.Start();
opusEncProcess.WaitForExit();
// If the .ogg file doesn't exist, that means that the conversion failed
if (!File.Exists(tempEncSoundFilePath))
{
File.Delete(tempSoundFilePath);
return(null);
}
// Grab the Opus file data
byte[] opusFileData;
using (var streamReader = new StreamReader(tempEncSoundFilePath))
{
using (var sndFileMemoryStream = new MemoryStream((int)streamReader.BaseStream.Length))
{
streamReader.BaseStream.CopyTo(sndFileMemoryStream);
opusFileData = sndFileMemoryStream.GetBuffer();
}
}
File.Delete(tempEncSoundFilePath);
File.Delete(tempSoundFilePath);
return(opusFileData);
}
/// <summary>
/// Decodes the given opus sound mod file using opusdec
/// </summary>
/// <param name="opusDecPath">path to the opusdec executable</param>
/// <param name="soundMod">sound mod</param>
/// <returns>the decoded size of the opus file</returns>
public static int GetDecodedOpusSoundModFileSize(string opusDecPath, SoundModFile soundMod)
{
int decodedSize = -1;
// Write the encoded file to a temp file in the disk
var tempEncSoundFilePath = Path.Combine(Path.GetTempPath(), Path.GetFileNameWithoutExtension(soundMod.Name) + ".ogg");
var tempDecSoundFilePath = Path.Combine(Path.GetTempPath(), Path.GetFileNameWithoutExtension(soundMod.Name) + ".wav");
// Delete the temp files first in case they exist for some reason
if (File.Exists(tempEncSoundFilePath))
{
File.Delete(tempEncSoundFilePath);
}
if (File.Exists(tempDecSoundFilePath))
{
File.Delete(tempDecSoundFilePath);
}
File.WriteAllBytes(tempEncSoundFilePath, soundMod.FileData.GetBuffer());
// Decode the file to .wav to get the decoded size
var opusDecProcess = new Process();
opusDecProcess.StartInfo.UseShellExecute = false;
opusDecProcess.StartInfo.FileName = opusDecPath;
opusDecProcess.StartInfo.Arguments = $"--quiet \"{tempEncSoundFilePath}\" \"{tempDecSoundFilePath}\"";
opusDecProcess.StartInfo.CreateNoWindow = false;
opusDecProcess.StartInfo.RedirectStandardError = true;
opusDecProcess.StartInfo.RedirectStandardOutput = true;
opusDecProcess.Start();
opusDecProcess.WaitForExit();
// If the .wav file doesn't exist, that means that the conversion failed
if (!File.Exists(tempDecSoundFilePath))
{
File.Delete(tempEncSoundFilePath);
return(-1);
}
decodedSize = (int)new FileInfo(tempDecSoundFilePath).Length + 20;
File.Delete(tempDecSoundFilePath);
File.Delete(tempEncSoundFilePath);
return(decodedSize);
}
