private void getAudioFormat() { var channels = 0; var freqency = 0; var duration = 0.0f; DecoderNative.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); }