mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2025-03-30 12:49:40 +00:00
Code Issues 1 Projects Releases Wiki Activity

level: code cleanup

Browse source 
Use gdouble instead of double. Calculate falloff_time once instead of twice.
This commit is contained in:
Stefan Kost 2009-10-16 21:14:14 +03:00
parent 024f1bae0c
commit 217b54a8f6
1 changed files with 12 additions and 12 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

24
gst/level/gstlevel.c
View file

@ -562,11 +562,12 @@ gst_level_transform_ip (GstBaseTransform * trans, GstBuffer * in)
{ {
GstLevel *filter; GstLevel *filter;
guint8 *in_data; guint8 *in_data;
double CS; gdouble CS;
guint i; guint i;
guint num_frames = 0; guint num_frames = 0;
guint num_int_samples = 0; /* number of interleaved samples guint num_int_samples = 0; /* number of interleaved samples
* ie. total count for all channels combined */ * ie. total count for all channels combined */
GstClockTimeDiff falloff_time;
filter = GST_LEVEL (trans); filter = GST_LEVEL (trans);
@ -605,16 +606,15 @@ gst_level_transform_ip (GstBaseTransform * trans, GstBuffer * in)
filter->last_peak[i] = filter->peak[i]; filter->last_peak[i] = filter->peak[i];
/* make decay peak fall off if too old */ /* make decay peak fall off if too old */
if (gst_guint64_to_gdouble (filter->decay_peak_age[i]) > falloff_time =
filter->decay_peak_ttl) { GST_CLOCK_DIFF (gst_gdouble_to_guint64 (filter->decay_peak_ttl),
double falloff_dB; filter->decay_peak_age[i]);
double falloff; if (falloff_time > 0) {
GstClockTimeDiff falloff_time; gdouble falloff_dB;
double length; /* length of falloff time in seconds */ gdouble falloff;
gdouble length; /* length of falloff time in seconds */
falloff_time = GST_CLOCK_DIFF (filter->decay_peak_ttl, length = (gdouble) (falloff_time / GST_SECOND);
gst_guint64_to_gdouble (filter->decay_peak_age[i]));
length = (gdouble) falloff_time / GST_SECOND;
falloff_dB = filter->decay_peak_falloff * length; falloff_dB = filter->decay_peak_falloff * length;
falloff = pow (10, falloff_dB / -20.0); falloff = pow (10, falloff_dB / -20.0);
@ -662,8 +662,8 @@ gst_level_transform_ip (GstBaseTransform * trans, GstBuffer * in)
GST_TIME_ARGS (filter->message_ts), filter->num_frames); GST_TIME_ARGS (filter->message_ts), filter->num_frames);
for (i = 0; i < filter->channels; ++i) { for (i = 0; i < filter->channels; ++i) {
double RMS; gdouble RMS;
double RMSdB, lastdB, decaydB; gdouble RMSdB, lastdB, decaydB;
RMS = sqrt (filter->CS[i] / filter->num_frames); RMS = sqrt (filter->CS[i] / filter->num_frames);
GST_LOG_OBJECT (filter, GST_LOG_OBJECT (filter,