Index: src/phasevoc.c
===================================================================
--- src/phasevoc.c	(revision 6ef7f67e6037a3adae09cc41f865f9bee55abd9f)
+++ src/phasevoc.c	(revision 685412ed619e8952dc4501fb94a1b33b1272c194)
@@ -26,120 +26,105 @@
 /** phasevocoder internal object */
 struct _aubio_pvoc_t {
-	/** grain length */
-	uint_t win_s;
-	/** overlap step */
-	uint_t hop_s;
-	/** number of channels */
-	uint_t channels;
-	/** spectral data */
-	aubio_mfft_t * fft;
-	/**cur output grain 		[win_s] */
-	fvec_t * synth;		 
-	/**last input frame 		[win_s-hop_s] */
-	fvec_t * synthold; 
-	/**current input grain		[win_s] */
-	fvec_t * data;		 
-	/**last input frame 		[win_s-hop_s] */
-	fvec_t * dataold;  
-	/** grain window		[win_s] */
-	float * w;
+  uint_t win_s;       /** grain length */
+  uint_t hop_s;       /** overlap step */
+  uint_t channels;    /** number of channels */
+  aubio_mfft_t * fft; /** spectral data */
+  fvec_t * synth;     /**cur output grain [win_s] */
+  fvec_t * synthold;  /**last input frame [win_s-hop_s] */
+  fvec_t * data;      /**current input grain [win_s] */
+  fvec_t * dataold;   /**last input frame [win_s-hop_s] */
+  float * w;          /** grain window [win_s] */
 };
 
 
 /** returns data and dataold slided by hop_s */
-static void aubio_pvoc_swapbuffers(
-		smpl_t * data,
-		smpl_t * dataold,
-		const smpl_t * datanew,
-		uint_t win_s, uint_t hop_s);
+static void aubio_pvoc_swapbuffers(smpl_t * data, smpl_t * dataold, const
+    smpl_t * datanew, uint_t win_s, uint_t hop_s);
+
 /** do additive synthesis from 'old' and 'cur' */
-static void aubio_pvoc_addsynth(
-		const smpl_t * synth,
-		smpl_t * synthold,
-		smpl_t * synthnew, 
-		uint_t win_s, uint_t hop_s);
-
+static void aubio_pvoc_addsynth(const smpl_t * synth, smpl_t * synthold,
+    smpl_t * synthnew, uint_t win_s, uint_t hop_s);
 
 void aubio_pvoc_do(aubio_pvoc_t *pv, fvec_t * datanew, cvec_t *fftgrain) {
-	uint_t i,j;
-	for (i=0; i<pv->channels; i++) {
-		/* slide  */
-		aubio_pvoc_swapbuffers(pv->data->data[i],pv->dataold->data[i],
-				datanew->data[i],pv->win_s,pv->hop_s);
-		/* windowing */
-		for (j=0; j<pv->win_s; j++) pv->data->data[i][j] *= pv->w[j];
-        }
-        /* shift */
-        vec_shift(pv->data);
-	/* calculate fft */
-        aubio_mfft_do (pv->fft,pv->data,fftgrain);
+  uint_t i,j;
+  for (i=0; i<pv->channels; i++) {
+    /* slide  */
+    aubio_pvoc_swapbuffers(pv->data->data[i],pv->dataold->data[i],
+        datanew->data[i],pv->win_s,pv->hop_s);
+    /* windowing */
+    for (j=0; j<pv->win_s; j++) pv->data->data[i][j] *= pv->w[j];
+  }
+  /* shift */
+  vec_shift(pv->data);
+  /* calculate fft */
+  aubio_mfft_do (pv->fft,pv->data,fftgrain);
 }
 
 void aubio_pvoc_rdo(aubio_pvoc_t *pv,cvec_t * fftgrain, fvec_t * synthnew) {
-	uint_t i;
-	/* calculate rfft */
-        aubio_mfft_rdo(pv->fft,fftgrain,pv->synth);
-        /* unshift */
-        vec_shift(pv->synth);
-	for (i=0; i<pv->channels; i++) {
-		aubio_pvoc_addsynth(pv->synth->data[i],pv->synthold->data[i],
-				synthnew->data[i],pv->win_s,pv->hop_s);
-	}
+  uint_t i;
+  /* calculate rfft */
+  aubio_mfft_rdo(pv->fft,fftgrain,pv->synth);
+  /* unshift */
+  vec_shift(pv->synth);
+  for (i=0; i<pv->channels; i++) {
+    aubio_pvoc_addsynth(pv->synth->data[i],pv->synthold->data[i],
+        synthnew->data[i],pv->win_s,pv->hop_s);
+  }
 }
 
 aubio_pvoc_t * new_aubio_pvoc (uint_t win_s, uint_t hop_s, uint_t channels) {
-	aubio_pvoc_t * pv = AUBIO_NEW(aubio_pvoc_t);
+  aubio_pvoc_t * pv = AUBIO_NEW(aubio_pvoc_t);
 
-	if (win_s < 2*hop_s) {
-		AUBIO_ERR("Hop size bigger than half the window size!\n");
-		AUBIO_ERR("Resetting hop size to half the window size.\n");
-                hop_s = win_s / 2;
-	}
+  if (win_s < 2*hop_s) {
+    AUBIO_ERR("Hop size bigger than half the window size!\n");
+    AUBIO_ERR("Resetting hop size to half the window size.\n");
+    hop_s = win_s / 2;
+  }
 
-	if (hop_s < 1) {
-		AUBIO_ERR("Hop size is smaller than 1!\n");
-		AUBIO_ERR("Resetting hop size to half the window size.\n");
-                hop_s = win_s / 2;
-	}
-	
-	pv->fft      = new_aubio_mfft(win_s,channels);
+  if (hop_s < 1) {
+    AUBIO_ERR("Hop size is smaller than 1!\n");
+    AUBIO_ERR("Resetting hop size to half the window size.\n");
+    hop_s = win_s / 2;
+  }
 
-	/* remember old */
-	pv->data     = new_fvec (win_s, channels);
-	pv->synth    = new_fvec (win_s, channels);
+  pv->fft      = new_aubio_mfft(win_s,channels);
 
-	/* new input output */
-	pv->dataold  = new_fvec  (win_s-hop_s, channels);
-	pv->synthold = new_fvec (win_s-hop_s, channels);
-	pv->w        = AUBIO_ARRAY(smpl_t,win_s);
-	aubio_window(pv->w,win_s,aubio_win_hanningz);
+  /* remember old */
+  pv->data     = new_fvec (win_s, channels);
+  pv->synth    = new_fvec (win_s, channels);
 
-	pv->channels = channels;
-	pv->hop_s    = hop_s;
-	pv->win_s    = win_s;
+  /* new input output */
+  pv->dataold  = new_fvec  (win_s-hop_s, channels);
+  pv->synthold = new_fvec (win_s-hop_s, channels);
+  pv->w        = AUBIO_ARRAY(smpl_t,win_s);
+  aubio_window(pv->w,win_s,aubio_win_hanningz);
 
-	return pv;
+  pv->channels = channels;
+  pv->hop_s    = hop_s;
+  pv->win_s    = win_s;
+
+  return pv;
 }
 
 void del_aubio_pvoc(aubio_pvoc_t *pv) {
-	del_fvec(pv->data);
-	del_fvec(pv->synth);
-	del_fvec(pv->dataold);
-	del_fvec(pv->synthold);
-	del_aubio_mfft(pv->fft);
-	AUBIO_FREE(pv->w);
-	AUBIO_FREE(pv);
+  del_fvec(pv->data);
+  del_fvec(pv->synth);
+  del_fvec(pv->dataold);
+  del_fvec(pv->synthold);
+  del_aubio_mfft(pv->fft);
+  AUBIO_FREE(pv->w);
+  AUBIO_FREE(pv);
 }
 
 static void aubio_pvoc_swapbuffers(smpl_t * data, smpl_t * dataold, 
-                const smpl_t * datanew, uint_t win_s, uint_t hop_s)
+    const smpl_t * datanew, uint_t win_s, uint_t hop_s)
 {
-	uint_t i;
-	for (i=0;i<win_s-hop_s;i++)
-		data[i] = dataold[i];
-	for (i=0;i<hop_s;i++)
-		data[win_s-hop_s+i] = datanew[i];
-	for (i=0;i<win_s-hop_s;i++)
-		dataold[i] = data[i+hop_s];
+  uint_t i;
+  for (i=0;i<win_s-hop_s;i++)
+    data[i] = dataold[i];
+  for (i=0;i<hop_s;i++)
+    data[win_s-hop_s+i] = datanew[i];
+  for (i=0;i<win_s-hop_s;i++)
+    dataold[i] = data[i+hop_s];
 }
 
@@ -147,18 +132,18 @@
                 smpl_t * synthnew, uint_t win_s, uint_t hop_s)
 {
-	uint_t i;
-	smpl_t scale = 2*hop_s/(win_s+.0);
-	/* add new synth to old one and put result in synthnew */
-	for (i=0;i<hop_s;i++) 						
-		synthnew[i] = synthold[i]+synth[i]*scale;
-	/* shift synthold */
-	for (i=0;i<win_s-2*hop_s;i++)	
-		synthold[i] = synthold[i+hop_s];
-	/* erase last frame in synthold */
-	for (i=win_s-hop_s;i<win_s;i++)	
-		synthold[i-hop_s]=0.;
-	/* additive synth */
-	for (i=0;i<win_s-hop_s;i++)	
-		synthold[i] += synth[i+hop_s]*scale;
+  uint_t i;
+  smpl_t scale = 2*hop_s/(win_s+.0);
+  /* add new synth to old one and put result in synthnew */
+  for (i=0;i<hop_s;i++)
+    synthnew[i] = synthold[i]+synth[i]*scale;
+  /* shift synthold */
+  for (i=0;i<win_s-2*hop_s;i++)
+    synthold[i] = synthold[i+hop_s];
+  /* erase last frame in synthold */
+  for (i=win_s-hop_s;i<win_s;i++)
+    synthold[i-hop_s]=0.;
+  /* additive synth */
+  for (i=0;i<win_s-hop_s;i++)
+    synthold[i] += synth[i+hop_s]*scale;
 }
 
