public int InitEncoder(int maxFrameSize, int samplesPerFrame, int samplingRate)
{
this.maxFrameSize = maxFrameSize;
encodedBits = new SpeexBits();
encoderState = speex_encoder_init_new(0);
// Don't set VAD in the codec, because we're setting it in
// the preprocessor instead
fixed(int *fSize = &frameSize)
{
speex_encoder_ctl(encoderState, (int)SpeexCtlCode.SPEEX_GET_FRAME_SIZE, fSize);
}
fixed(SpeexBits *bitsAdd = &encodedBits)
{
speex_bits_init(bitsAdd);
}
preprocessState = speex_preprocess_state_init(samplesPerFrame, samplingRate);
return(frameSize);
}
public static extern int speex_preprocess_ctl(SpeexPreprocessState *st, int request, void *ptr);
public static extern int speex_preprocess_run(SpeexPreprocessState *st, short *x);
public static extern void speex_preprocess_estimate_update(SpeexPreprocessState *st, short *x);
public static extern void speex_preprocess_state_destroy(SpeexPreprocessState *st);
