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libs/gst/controller/gstinterpolation.c: Also round to the nearest int when using cubic interpolation.

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Original commit message from CVS:
* libs/gst/controller/gstinterpolation.c:
Also round to the nearest int when using cubic interpolation.
This commit is contained in:
Sebastian Dröge 2007-07-22 12:18:46 +00:00
parent a6df9f4bac
commit 4a99b7d300
2 changed files with 18 additions and 10 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2007-07-22 Sebastian Dröge <slomo@circular-chaos.org>
* libs/gst/controller/gstinterpolation.c:
Also round to the nearest int when using cubic interpolation.
2007-07-19 Jan Schmidt <thaytan@noraisin.net>
* libs/gst/controller/gstinterpolation.c:

23
libs/gst/controller/gstinterpolation.c
View file

@ -659,7 +659,7 @@ static GstInterpolateMethod interpolate_linear = {
* . . . . .
*/
#define DEFINE_CUBIC_GET(type) \
#define DEFINE_CUBIC_GET(type,round) \
static void \
_interpolate_cubic_update_cache_##type (GstInterpolationControlSource *self) \
{ \
@ -775,7 +775,10 @@ _interpolate_cubic_get_##type (GstInterpolationControlSource *self, GstClockTime
out += (value2 / cp1->cache.cubic.h - cp1->cache.cubic.h * cp2->cache.cubic.z) * diff1; \
out += (value1 / cp1->cache.cubic.h - cp1->cache.cubic.h * cp1->cache.cubic.z) * diff2; \
\
*ret = (g##type) out; \
if (round) \
*ret = (g##type) (out + 0.5); \
else \
*ret = (g##type) out; \
} \
else { \
*ret = g_value_get_##type (&cp1->value); \
@ -825,16 +828,16 @@ interpolate_cubic_get_##type##_value_array (GstInterpolationControlSource *self,
return TRUE; \
}
DEFINE_CUBIC_GET (int);
DEFINE_CUBIC_GET (int, TRUE);
DEFINE_CUBIC_GET (uint);
DEFINE_CUBIC_GET (long);
DEFINE_CUBIC_GET (uint, TRUE);
DEFINE_CUBIC_GET (long, TRUE);
DEFINE_CUBIC_GET (ulong);
DEFINE_CUBIC_GET (int64);
DEFINE_CUBIC_GET (uint64);
DEFINE_CUBIC_GET (float);
DEFINE_CUBIC_GET (double);
DEFINE_CUBIC_GET (ulong, TRUE);
DEFINE_CUBIC_GET (int64, TRUE);
DEFINE_CUBIC_GET (uint64, TRUE);
DEFINE_CUBIC_GET (float, FALSE);
DEFINE_CUBIC_GET (double, FALSE);
static GstInterpolateMethod interpolate_cubic = {
(GstControlSourceGetValue) interpolate_cubic_get_int,