diff options
| -rw-r--r-- | gst/gaudieffects/gstexclusion.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gst/gaudieffects/gstexclusion.c b/gst/gaudieffects/gstexclusion.c index 8eaacf1f5..60e963282 100644 --- a/gst/gaudieffects/gstexclusion.c +++ b/gst/gaudieffects/gstexclusion.c @@ -270,6 +270,9 @@ transform (guint32 * src, guint32 * dest, gint video_area, gint factor) guint32 in; gint x, red, green, blue; + if (G_UNLIKELY (factor == 0)) + return; + for (x = 0; x < video_area; x++) { in = *src++; @@ -277,6 +280,12 @@ transform (guint32 * src, guint32 * dest, gint video_area, gint factor) green = (in >> 8) & 0xff; blue = (in) & 0xff; + if (factor == 0) { + red = 0; + green = 0; + blue = 0; + } + red = factor - (((factor - red) * (factor - red) / factor) + ((green * red) / factor)); green = factor - |