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-rw-r--r--gst/spectrum/gstspectrum.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/gst/spectrum/gstspectrum.c b/gst/spectrum/gstspectrum.c
index f2f654a6..3b2f19fc 100644
--- a/gst/spectrum/gstspectrum.c
+++ b/gst/spectrum/gstspectrum.c
@@ -517,10 +517,9 @@ process_s##width (GstSpectrum *spectrum, const gint##width *samples) \
\
/* Calculate magnitude in db */ \
for (i = 0; i < spectrum->bands; i++) { \
- gdouble val; \
+ gdouble val = 0.0; \
val = (gdouble) freqdata[i].r * (gdouble) freqdata[i].r; \
val += (gdouble) freqdata[i].i * (gdouble) freqdata[i].i; \
- val *= nfft; \
val /= max*max; \
val = 10.0 * log10 (val); \
if (val > spectrum->threshold) \
@@ -585,10 +584,10 @@ process_f##width (GstSpectrum *spectrum, const g##type *samples) \
\
/* Calculate magnitude in db */ \
for (i = 0; i < spectrum->bands; i++) { \
- gdouble val; \
+ gdouble val = 0.0; \
val = freqdata[i].r * freqdata[i].r; \
val += freqdata[i].i * freqdata[i].i; \
- val /= nfft; \
+ val /= nfft*nfft; \
val = 10.0 * log10 (val); \
if (val > spectrum->threshold) \
val -= spectrum->threshold; \