public static void Save(
string filePath,
UnityEngine.AudioClip audioClip,
float quality = 0.4f,
int samplesToRead = 1024)
{
if (string.IsNullOrWhiteSpace(filePath))
{
throw new System.ArgumentException("The file path is null or white space");
}
if (audioClip == null)
{
throw new System.ArgumentNullException(nameof(audioClip));
}
if (samplesToRead <= 0)
{
throw new System.ArgumentOutOfRangeException(nameof(samplesToRead));
}
short finalChannelsCount = (short)audioClip.channels;
if (finalChannelsCount != 1 && finalChannelsCount != 2)
{
throw new System.ArgumentException($"Only one or two channels are supported, provided channels count: {finalChannelsCount}");
}
if (!filePath.EndsWith(".ogg"))
{
filePath += ".ogg";
}
float[] pcm = new float[audioClip.samples * audioClip.channels];
audioClip.GetData(pcm, 0);
int returnCode = NativeBridge.WriteAllPcmDataToFile(filePath, pcm, pcm.Length, finalChannelsCount, audioClip.frequency, quality, samplesToRead);
NativeErrorException.ThrowExceptionIfNecessary(returnCode);
}
public static byte[] GetOggVorbis(
UnityEngine.AudioClip audioClip,
float quality = 0.4f,
int samplesToRead = 1024)
{
if (audioClip == null)
{
throw new System.ArgumentNullException(nameof(audioClip));
}
if (samplesToRead <= 0)
{
throw new System.ArgumentOutOfRangeException(nameof(samplesToRead));
}
short finalChannelsCount = (short)audioClip.channels;
if (finalChannelsCount != 1 && finalChannelsCount != 2)
{
throw new System.ArgumentException($"Only one or two channels are supported, provided channels count: {finalChannelsCount}");
}
int returnCode;
System.IntPtr bytesPtr = System.IntPtr.Zero;
byte[] bytes;
try
{
float[] pcm = new float[audioClip.samples * audioClip.channels];
audioClip.GetData(pcm, 0);
returnCode = NativeBridge.WriteAllPcmDataToMemory(
out bytesPtr,
out int bytesLength,
pcm,
pcm.Length,
finalChannelsCount,
audioClip.frequency,
quality,
samplesToRead);
NativeErrorException.ThrowExceptionIfNecessary(returnCode);
bytes = new byte[bytesLength];
Marshal.Copy(bytesPtr, bytes, 0, bytesLength);
}
finally
{
returnCode = NativeBridge.FreeMemoryArrayForWriteAllPcmData(bytesPtr);
NativeErrorException.ThrowExceptionIfNecessary(returnCode);
}
return(bytes);
}
public static UnityEngine.AudioClip ToAudioClip(byte[] bytes, string audioClipName, int maxSamplesToRead = 1024)
{
if (bytes == null)
{
throw new System.ArgumentNullException(nameof(bytes));
}
if (bytes.Length < 10)
{
throw new System.ArgumentException(nameof(bytes));
}
if (string.IsNullOrWhiteSpace(audioClipName))
{
throw new System.ArgumentException("Please provide an audio clip name");
}
if (maxSamplesToRead <= 0)
{
throw new System.ArgumentOutOfRangeException(nameof(maxSamplesToRead));
}
int returnCode;
System.IntPtr pcmPtr = System.IntPtr.Zero;
UnityEngine.AudioClip audioClip = null;
try
{
returnCode = NativeBridge.ReadAllPcmDataFromMemory(
bytes,
bytes.Length,
out pcmPtr,
out int pcmLength,
out short channels,
out int frequency,
maxSamplesToRead);
NativeErrorException.ThrowExceptionIfNecessary(returnCode);
float[] pcm = new float[pcmLength];
Marshal.Copy(pcmPtr, pcm, 0, pcmLength);
audioClip = UnityEngine.AudioClip.Create(audioClipName, pcmLength / channels, channels, frequency, false);
audioClip.SetData(pcm, 0);
}
finally
{
returnCode = NativeBridge.FreeSamplesArrayNativeMemory(ref pcmPtr);
NativeErrorException.ThrowExceptionIfNecessary(returnCode);
}
return(audioClip);
}
public static UnityEngine.AudioClip Load(string filePath, int maxSamplesToRead = 1024)
{
if (string.IsNullOrWhiteSpace(filePath))
{
throw new System.ArgumentException("The file path is null or white space");
}
if (maxSamplesToRead <= 0)
{
throw new System.ArgumentOutOfRangeException(nameof(maxSamplesToRead));
}
if (!System.IO.File.Exists(filePath))
{
throw new System.IO.FileNotFoundException();
}
int returnCode;
System.IntPtr pcmPtr = System.IntPtr.Zero;
UnityEngine.AudioClip audioClip;
try
{
returnCode = NativeBridge.ReadAllPcmDataFromFile(
filePath,
out pcmPtr,
out int pcmLength,
out short channels,
out int frequency,
maxSamplesToRead);
NativeErrorException.ThrowExceptionIfNecessary(returnCode);
float[] pcm = new float[pcmLength];
Marshal.Copy(pcmPtr, pcm, 0, pcmLength);
audioClip = UnityEngine.AudioClip.Create(System.IO.Path.GetFileName(filePath), pcmLength / channels, channels, frequency, false);
audioClip.SetData(pcm, 0);
}
finally
{
returnCode = NativeBridge.FreeSamplesArrayNativeMemory(ref pcmPtr);
NativeErrorException.ThrowExceptionIfNecessary(returnCode);
}
return(audioClip);
}
