static gboolean
interpolate_none_get_value_array (GstTimedValueControlSource * self,
GstClockTime timestamp, GstClockTime interval, guint n_values,
gdouble * values)
{
gboolean ret = FALSE;
guint i;
GstClockTime ts = timestamp;
GstClockTime next_ts = 0;
GstControlPoint *cp1 = NULL, *cp2 = NULL;
g_mutex_lock (&self->lock);
for (i = 0; i < n_values; i++) {
GST_LOG ("values[%3d] : ts=%" GST_TIME_FORMAT ", next_ts=%" GST_TIME_FORMAT,
i, GST_TIME_ARGS (ts), GST_TIME_ARGS (next_ts));
if (ts >= next_ts) {
_get_nearest_control_points2 (self, ts, &cp1, &cp2, &next_ts);
}
if (cp1) {
*values = _interpolate_none (self, cp1);
ret = TRUE;
GST_LOG ("values[%3d]=%lf", i, *values);
} else {
*values = NAN;
GST_LOG ("values[%3d]=-", i);
}
ts += interval;
values++;
}
g_mutex_unlock (&self->lock);
return ret;
}
Eina_Bool
evas_filter_interpolate(DATA8 *output, int *points,
Evas_Filter_Interpolation_Mode mode)
{
switch (mode)
{
case EVAS_FILTER_INTERPOLATION_MODE_NONE:
return _interpolate_none(output, points);
case EVAS_FILTER_INTERPOLATION_MODE_LINEAR:
default:
return _interpolate_linear(output, points);
}
}
static gboolean
interpolate_none_get (GstTimedValueControlSource * self, GstClockTime timestamp,
gdouble * value)
{
gboolean ret = FALSE;
GSequenceIter *iter;
GstControlPoint *cp;
g_mutex_lock (&self->lock);
iter =
gst_timed_value_control_source_find_control_point_iter (self, timestamp);
if (iter) {
cp = g_sequence_get (iter);
*value = _interpolate_none (self, cp);
ret = TRUE;
}
g_mutex_unlock (&self->lock);
return ret;
}