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opencv: add medianBlur support in cvsmooth

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With the deprecation of cvSmooth we have to handle the other smoothing
functions manually.
This commit is contained in:
Luis de Bethencourt 2015-12-16 19:21:24 +00:00
parent ad1b36321a
commit c805b15491
1 changed files with 26 additions and 7 deletions
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33
ext/opencv/gstcvsmooth.cpp
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@ -99,7 +99,6 @@ gst_cv_smooth_type_get_type (void)
static GType cv_smooth_type_type = 0; static GType cv_smooth_type_type = 0;
static const GEnumValue smooth_types[] = { static const GEnumValue smooth_types[] = {
/* {CV_BLUR_NO_SCALE, "CV Blur No Scale", "blur-no-scale"}, */
{CV_BLUR, "CV Blur", "blur"}, {CV_BLUR, "CV Blur", "blur"},
{CV_GAUSSIAN, "CV Gaussian", "gaussian"}, {CV_GAUSSIAN, "CV Gaussian", "gaussian"},
{CV_MEDIAN, "CV Median", "median"}, {CV_MEDIAN, "CV Median", "median"},
@ -156,11 +155,13 @@ gst_cv_smooth_class_init (GstCvSmoothClass * klass)
"type", "type",
"Smooth Type", "Smooth Type",
GST_TYPE_CV_SMOOTH_TYPE, GST_TYPE_CV_SMOOTH_TYPE,
DEFAULT_CV_SMOOTH_TYPE, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)) DEFAULT_CV_SMOOTH_TYPE,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))
); );
g_object_class_install_property (gobject_class, PROP_WIDTH, g_object_class_install_property (gobject_class, PROP_WIDTH,
g_param_spec_int ("width", "width (kernel width)", g_param_spec_int ("width", "width (kernel width)",
"The gaussian kernel width (must be positive and odd).", "The gaussian kernel width (must be positive and odd)."
"If type is median, this means the aperture linear size.",
1, G_MAXINT, DEFAULT_WIDTH, 1, G_MAXINT, DEFAULT_WIDTH,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_HEIGHT, g_object_class_install_property (gobject_class, PROP_HEIGHT,
@ -310,8 +311,17 @@ gst_cv_smooth_transform (GstOpencvVideoFilter * base, GstBuffer * buf,
{ {
GstCvSmooth *filter = GST_CV_SMOOTH (base); GstCvSmooth *filter = GST_CV_SMOOTH (base);
GaussianBlur (Mat (img), Mat (outimg), Size (filter->width, filter->height), switch (filter->type) {
filter->colorsigma, filter->colorsigma); case CV_GAUSSIAN:
GaussianBlur (Mat (img), Mat (outimg), Size (filter->width,
filter->height), filter->colorsigma, filter->colorsigma);
break;
case CV_MEDIAN:
medianBlur (Mat (img), Mat (outimg), filter->width);
break;
default:
break;
}
return GST_FLOW_OK; return GST_FLOW_OK;
} }
@ -322,8 +332,17 @@ gst_cv_smooth_transform_ip (GstOpencvVideoFilter * base, GstBuffer * buf,
{ {
GstCvSmooth *filter = GST_CV_SMOOTH (base); GstCvSmooth *filter = GST_CV_SMOOTH (base);
GaussianBlur (Mat (img), Mat (img), Size (filter->width, filter->height), switch (filter->type) {
filter->colorsigma, filter->colorsigma); case CV_GAUSSIAN:
GaussianBlur (Mat (img), Mat (img), Size (filter->width, filter->height),
filter->colorsigma, filter->colorsigma);
break;
case CV_MEDIAN:
medianBlur (Mat (img), Mat (img), filter->width);
break;
default:
break;
}
return GST_FLOW_OK; return GST_FLOW_OK;
} }