private void getAudioFormat()
{
var channels = 0;
var freqency = 0;
var duration = 0.0f;
NativeClass.nativeGetAudioFormat(decoderID, ref channels, ref freqency, ref duration);
audioChannels = channels;
audioFrequency = freqency;
audioTotalTime = duration > 0 ? duration : -1.0f;
print(LOG_TAG + " audioChannel " + audioChannels);
print(LOG_TAG + " audioFrequency " + audioFrequency);
print(LOG_TAG + " audioTotalTime " + audioTotalTime);
}