diff options
Diffstat (limited to 'gst/spectrum/gstspectrum.c')
| -rw-r--r-- | gst/spectrum/gstspectrum.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gst/spectrum/gstspectrum.c b/gst/spectrum/gstspectrum.c index 3747b249..4cbd889b 100644 --- a/gst/spectrum/gstspectrum.c +++ b/gst/spectrum/gstspectrum.c @@ -405,7 +405,10 @@ gst_spectrum_transform_ip (GstBaseTransform * trans, GstBuffer * in) samples = (const gint16 *) gst_adapter_peek (spectrum->adapter, wanted); + /* the current fft code is gint16 based, so supporting other formats would + * not really benefit now */ for (i = 0, j = 0; i < spectrum->len; i++) { + /* convert to mono */ for (k = 0, acc = 0; k < spectrum->channels; k++) acc += samples[j++]; spectrum->re[i] = (gint16) (acc / spectrum->channels); |