/// <summary>
/// Init AAC
/// </summary>
/// <param name="rxBuf"></param>
/// <returns></returns>
private bool initialize(byte[] rxBuf)
{
//parse header and initialize the decoder
init_result = AACDecoder.init(hDecoder,
rxBuf,
ref sample_rate,
ref channels);
AACInfo.DecoderSamplingRate = sample_rate;
AACInfo.DecoderChannels = channels;
if (init_result != 0)
{
init_result *= -1;
string err = AACDecoder.getErrorMessage((byte)init_result);
byte[] b = System.Text.Encoding.ASCII.GetBytes(err);
if (b == null)
{
throw new Exception("BP");
}
//err = UnsafeCommon.UnsafeAsciiBytesToString(b, 0);
string s = string.Format("Error initializing decoder library: {0}", err);
AACDecoder.Close(hDecoder);
hDecoder = (IntPtr)0;
_initialized = false;
logger.Error(s);
return(false);
}
if (waudio != null)
{
clear();
}
waudio = softsyst.qirx.Audio.wavAudio.create(eAudioSink.NAudio, "MP4", 0);
if (waudio == null)
{
logger.Error("Cannot create audio sink MP4");
return(false);
}
if (channels > 2)
{
logger.Warning($"{channels} audio channels detected. Reduced to two");
channels = 2;
}
waudio.Init(sample_rate, 16, channels);
waudio.Start();
_initialized = true;
logger.Debug("AAC and waudio initialized");
return(true);
}
public void Dispose()
{
AACDecoder.Close(hDecoder);
AACDecoder.Dispose();
}