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gaudieffects: use CLAMP in exclusion

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No need to have a gate_int () function duplicating the already existing and
established CLAMP () function.
This commit is contained in:
Luis de Bethencourt 2012-05-17 09:46:37 +01:00
parent 4990dc2d1f
commit 9cb4f4e622
1 changed files with 5 additions and 18 deletions
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23
gst/gaudieffects/gstexclusion.c
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@ -95,7 +95,6 @@ enum
#define DEFAULT_FACTOR 175
static gint gate_int (gint value, gint min, gint max);
static void transform (guint32 * src, guint32 * dest, gint video_area,
gint factor);
@ -277,25 +276,13 @@ gst_exclusion_plugin_init (GstPlugin * exclusion)
}
/*** Now the image processing work.... ***/
/* Keep the values inbounds. */
static gint
gate_int (gint value, gint min, gint max)
{
if (value < min) {
return min;
} else if (value > max) {
return max;
} else {
return value;
}
}
/* Transform processes each frame. */
static void
transform (guint32 * src, guint32 * dest, gint video_area, gint factor)
{
guint32 in, red, green, blue;
gint x;
guint32 in;
gint x, red, green, blue;
for (x = 0; x < video_area; x++) {
in = *src++;
@ -313,9 +300,9 @@ transform (guint32 * src, guint32 * dest, gint video_area, gint factor)
(((factor - blue) * (factor - blue) / factor) +
((blue * blue) / factor));
red = gate_int (red, 0, 255);
green = gate_int (green, 0, 255);
blue = gate_int (blue, 0, 255);
red = CLAMP (red, 0, 255);
green = CLAMP (green, 0, 255);
blue = CLAMP (blue, 0, 255);
*dest++ = (red << 16) | (green << 8) | blue;
}