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libs/gst/controller/gstinterpolation.c: Add support for retrieving value arrays when using the trigger interpolation ...

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Original commit message from CVS:
* libs/gst/controller/gstinterpolation.c:
(interpolate_trigger_get_enum_value_array),
(interpolate_trigger_get_string_value_array):
Add support for retrieving value arrays when using the trigger
interpolation mode.
This commit is contained in:
Sebastian Dröge 2007-05-21 21:48:07 +00:00
parent 51424c0da5
commit e645e3d2f6
2 changed files with 71 additions and 11 deletions
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8
ChangeLog
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@ -1,3 +1,11 @@
2007-05-21 Sebastian Dröge <slomo@circular-chaos.org>
* libs/gst/controller/gstinterpolation.c:
(interpolate_trigger_get_enum_value_array),
(interpolate_trigger_get_string_value_array):
Add support for retrieving value arrays when using the trigger
interpolation mode.
2007-05-21 Sebastian Dröge <slomo@circular-chaos.org>
* libs/gst/controller/gstcontroller.c:

74
libs/gst/controller/gstinterpolation.c
View file

@ -190,32 +190,84 @@ interpolate_trigger_get (GstControlledProperty * prop, GstClockTime timestamp)
return (&prop->default_value);
}
#define DEFINE_TRIGGER_GET(type) \
static gboolean \
interpolate_trigger_get_##type##_value_array (GstControlledProperty * prop, \
GstClockTime timestamp, GstValueArray * value_array) \
{ \
gint i; \
GstClockTime ts = timestamp; \
g##type *values = (g##type *) value_array->values; \
\
for(i = 0; i < value_array->nbsamples; i++) { \
*values = g_value_get_##type (interpolate_trigger_get (prop,ts)); \
ts += value_array->sample_interval; \
values++; \
} \
return (TRUE); \
}
DEFINE_TRIGGER_GET (int);
DEFINE_TRIGGER_GET (uint);
DEFINE_TRIGGER_GET (long);
DEFINE_TRIGGER_GET (ulong);
DEFINE_TRIGGER_GET (float);
DEFINE_TRIGGER_GET (double);
DEFINE_TRIGGER_GET (boolean);
static gboolean
interpolate_trigger_get_value_array (GstControlledProperty * prop,
interpolate_trigger_get_enum_value_array (GstControlledProperty * prop,
GstClockTime timestamp, GstValueArray * value_array)
{
return (FALSE);
gint i;
GstClockTime ts = timestamp;
gint *values = (gint *) value_array->values;
for (i = 0; i < value_array->nbsamples; i++) {
*values = g_value_get_enum (interpolate_trigger_get (prop, ts));
ts += value_array->sample_interval;
values++;
}
return (TRUE);
}
static gboolean
interpolate_trigger_get_string_value_array (GstControlledProperty * prop,
GstClockTime timestamp, GstValueArray * value_array)
{
gint i;
GstClockTime ts = timestamp;
gchar **values = (gchar **) value_array->values;
for (i = 0; i < value_array->nbsamples; i++) {
*values = (gchar *) g_value_get_string (interpolate_trigger_get (prop, ts));
ts += value_array->sample_interval;
values++;
}
return (TRUE);
}
static GstInterpolateMethod interpolate_trigger = {
interpolate_trigger_get,
interpolate_trigger_get_value_array,
interpolate_trigger_get_int_value_array,
interpolate_trigger_get,
NULL,
interpolate_trigger_get_uint_value_array,
interpolate_trigger_get,
NULL,
interpolate_trigger_get_long_value_array,
interpolate_trigger_get,
NULL,
interpolate_trigger_get_ulong_value_array,
interpolate_trigger_get,
NULL,
interpolate_trigger_get_float_value_array,
interpolate_trigger_get,
NULL,
interpolate_trigger_get_double_value_array,
interpolate_trigger_get,
NULL,
interpolate_trigger_get_boolean_value_array,
interpolate_trigger_get,
NULL,
interpolate_trigger_get_enum_value_array,
interpolate_trigger_get,
NULL
interpolate_trigger_get_string_value_array
};
/* linear interpolation */