public byte[] encode_frame(short[] audio) {
_spxe.processData(audio, 0, audio.length);
int sz = _spxe.getProcessedDataByteSize();
byte[] wireOut = new byte[sz];
int got = _spxe.getProcessedData(wireOut, 0);
return wireOut;
}
public SpeexCodec(boolean wide) {
_speexmode = wide ? 1 : 0;
_sampleRate = wide ? 16000 : 8000;
_iaxcn = wide ? CodecFace.AUDIO_SPEEX16 : CodecFace.AUDIO_SPEEX;
_name = wide ? "SPEEX" : "SPEEX";
_spxe = new SpeexEncoder();
int q = wide ? 7 : 3;
_spxe.init(_speexmode, q, _sampleRate, 1); // _mode, _quality, _sampleRate, _channels);
_spxe.getEncoder().setComplexity(2);
Log.debug(
"Speex mode "
+ _spxe.getEncoder().getMode()
+ " encoder configured with rate ="
+ _spxe.getEncoder().getSamplingRate()
+ " Quality ="
+ q
+ " compexity = "
+ _spxe.getEncoder().getComplexity()
+ " packet size = "
+ _spxe.getEncoder().getEncodedFrameSize() / 8
+ " bitrate = "
+ _spxe.getEncoder().getBitRate() / 1024.0);
_spxd = new SpeexDecoder();
_spxd.init(_speexmode, _sampleRate, 1, false); // _mode, _sampleRate, _channels, false);
_aframesz = wide ? 320 : 160; // number of shorts in an audio frame;
}