void LoadData()
{
if (!string.IsNullOrEmpty(filepath) && File.Exists(filepath))
{
audioStream = AudioManager.LoadStream(filepath);
lock (dataLock)
{
_length = audioStream.ChannelLengthInSeconds();
}
long trackLengthInBytes = audioStream.ChannelLengthInBytes();
const float FRAME_TIME = 0.002f;
long frameLengthInBytes = audioStream.ChannelSecondsToBytes(FRAME_TIME);
int NumFrames = (int)System.Math.Round(1f * trackLengthInBytes / frameLengthInBytes);
lock (dataLock)
{
_data = new float[NumFrames * 2];
}
float[] levels = new float[2];
for (int i = 0; i < _data.Length && !stop; i += 2)
{
lock (dataLock)
{
audioStream.GetChannelLevels(ref levels, FRAME_TIME);
float average = (levels[0] + levels[1]) / 2.0f;
_data[i] = -average;
_data[i + 1] = average;
}
}
if (!stop)
{
Debug.Log("Sample length: " + _data.Length);
}
else
{
lock (dataLock)
{
_data = new float[0];
}
}
}
}