veclib implementation of find_peaks().

git-svn-id: svn://localhost/ardour2/trunk@1590 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 5 insertions, 17 deletions

diff --git a/libs/ardour/mix.cc b/libs/ardour/mix.cc
index e2096178dd..a32c274b7c 100644
--- a/libs/ardour/mix.cc
+++ b/libs/ardour/mix.cc
@@ -89,7 +89,7 @@ compute_peak (ARDOUR::Sample *buf, nframes_t nsamples, float current)
 	return current;
 }	
 
-float
+void
 find_peaks (ARDOUR::Sample *buf, nframes_t nframes, float *min, float *max)
 {
 	long i;
@@ -142,25 +142,13 @@ veclib_compute_peak (ARDOUR::Sample *buf, nframes_t nsamples, float current)
         return f_max(current, tmpmax);
 }
 
-float
+void
 veclib_find_peaks (ARDOUR::Sample *buf, nframes_t nframes, float *min, float *max)
 {
-	// TODO: someone with veclib skills needs to write this one
-	long i;
-	float a, b;
-
-	a = *max;
-	b = *min;
-
-	for (i = 0; i < nframes; i++) 
-	{
-		a = fmax (buf[i], a);
-		b = fmin (buf[i], b);
-	}
-
-	*max = a;
-	*min = b;
+	vDSP_maxv (buf, 1, max, nframes);
+	vDSP_minv (buf, 1, min, nframes);
 }
+
 void
 veclib_apply_gain_to_buffer (ARDOUR::Sample *buf, nframes_t nframes, float gain)
 {