mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-11-23 18:21:04 +00:00
Code Issues 1 Projects Releases Wiki Activity

various cosmetic fixes

Browse source 
Original commit message from CVS:
various cosmetic fixes
This commit is contained in:
Thomas Vander Stichele 2005-11-22 12:41:35 +00:00
parent 8d223d75d0
commit d6682d017c
1 changed files with 11 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

21
gst/level/gstlevel.c
View file

@ -173,11 +173,11 @@ gst_level_class_init (GstLevelClass * klass)
"Interval of time between message posts (in nanoseconds)",
1, G_MAXUINT64, GST_SECOND / 10, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_PEAK_TTL,
g_param_spec_uint64 ("peak_ttl", "Peak TTL",
g_param_spec_uint64 ("peak-ttl", "Peak TTL",
"Time To Live of decay peak before it falls back (in nanoseconds)",
0, G_MAXUINT64, GST_SECOND / 10 * 3, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_PEAK_FALLOFF,
g_param_spec_double ("peak_falloff", "Peak Falloff",
g_param_spec_double ("peak-falloff", "Peak Falloff",
"Decay rate of decay peak after TTL (in dB/sec)",
0.0, G_MAXDOUBLE, 10.0, G_PARAM_READWRITE));
@ -308,7 +308,8 @@ gst_level_set_caps (GstBaseTransform * trans, GstCaps * in, GstCaps * out)
/* process one (interleaved) channel of incoming samples
* calculate square sum of samples
* normalize and average over number of samples
* returns a normalized average power value as CS, as a double between 0 and 1
* returns a normalized cumulative square value, which can be averaged
* to return the average power as a double between 0 and 1
* also returns the normalized peak power (square of the highest amplitude)
*
* caller must assure num is a multiple of channels
@ -320,10 +321,10 @@ gst_level_set_caps (GstBaseTransform * trans, GstCaps * in, GstCaps * out)
* full-scale; so 32767 will not map to 1.0
*/
#define DEFINE_LEVEL_CALCULATOR(TYPE) \
#define DEFINE_LEVEL_CALCULATOR(TYPE, RESOLUTION) \
static void inline \
gst_level_calculate_##TYPE (TYPE * in, guint num, gint channels, \
gint resolution, double *CS, double *peak) \
double *CS, double *peak) \
{ \
register int j; \
double squaresum = 0.0; /* square sum of the integer samples */ \
@ -333,7 +334,7 @@ gst_level_calculate_##TYPE (TYPE * in, guint num, gint channels, \
\
*CS = 0.0; /* Cumulative Square for this block */ \
\
normalizer = (double) (1 << resolution); \
normalizer = (double) (1 << RESOLUTION); \
\
for (j = 0; j < num; j += channels) \
{ \
@ -346,8 +347,8 @@ gst_level_calculate_##TYPE (TYPE * in, guint num, gint channels, \
*peak = PSS / (normalizer * normalizer); \
}
DEFINE_LEVEL_CALCULATOR (gint16);
DEFINE_LEVEL_CALCULATOR (gint8);
DEFINE_LEVEL_CALCULATOR (gint16, 15);
DEFINE_LEVEL_CALCULATOR (gint8, 7);
static GstMessage *
gst_level_message_new (GstLevel * l, GstClockTime endtime)
@ -421,11 +422,11 @@ gst_level_transform_ip (GstBaseTransform * trans, GstBuffer * in)
switch (filter->width) {
case 16:
gst_level_calculate_gint16 (((gint16 *) in_data) + i, num_int_samples,
filter->channels, filter->width - 1, &CS, &filter->peak[i]);
filter->channels, &CS, &filter->peak[i]);
break;
case 8:
gst_level_calculate_gint8 (((gint8 *) in_data) + i, num_int_samples,
filter->channels, filter->width - 1, &CS, &filter->peak[i]);
filter->channels, &CS, &filter->peak[i]);
break;
}
GST_LOG_OBJECT (filter,