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authorSreerenj Balachandran <sreerenj.balachandran@intel.com>2012-06-30 00:22:40 +0300
committerTim-Philipp Müller <tim@centricular.net>2012-07-14 13:37:55 +0100
commit45ca8876b2f5267f7edb842b6d56d7a6c271ccb3 (patch)
tree872122042264763655056cf151dad4d60faf3178 /ext/opencv/gstcvsobel.c
parent8712729a8c3dd3f048473325fe16a65641ca041a (diff)
opencv: port to 0.11
Basic port to 0.11 API. https://bugzilla.gnome.org/show_bug.cgi?id=679164
Diffstat (limited to 'ext/opencv/gstcvsobel.c')
-rw-r--r--ext/opencv/gstcvsobel.c141
1 files changed, 81 insertions, 60 deletions
diff --git a/ext/opencv/gstcvsobel.c b/ext/opencv/gstcvsobel.c
index 8aaeedd45..aedf9b799 100644
--- a/ext/opencv/gstcvsobel.c
+++ b/ext/opencv/gstcvsobel.c
@@ -56,20 +56,23 @@ GST_DEBUG_CATEGORY_STATIC (gst_cv_sobel_debug);
static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
- GST_STATIC_CAPS (GST_VIDEO_CAPS_GRAY8)
+ GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("GRAY8"))
);
+
#if G_BYTE_ORDER == G_BIG_ENDIAN
-#define BYTE_ORDER_STRING "BIG_ENDIAN"
+static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("GRAY16_BE"))
+ );
#else
-#define BYTE_ORDER_STRING "LITTLE_ENDIAN"
-#endif
-
static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
- GST_STATIC_CAPS (GST_VIDEO_CAPS_GRAY16 (BYTE_ORDER_STRING))
+ GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("GRAY16_LE"))
);
+#endif
/* Filter signals and args */
enum
@@ -89,8 +92,7 @@ enum
#define DEFAULT_Y_ORDER 0
#define DEFAULT_APERTURE_SIZE 3
-GST_BOILERPLATE (GstCvSobel, gst_cv_sobel, GstOpencvVideoFilter,
- GST_TYPE_OPENCV_VIDEO_FILTER);
+G_DEFINE_TYPE (GstCvSobel, gst_cv_sobel, GST_TYPE_OPENCV_VIDEO_FILTER);
static void gst_cv_sobel_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
@@ -98,30 +100,11 @@ static void gst_cv_sobel_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static GstCaps *gst_cv_sobel_transform_caps (GstBaseTransform * trans,
- GstPadDirection dir, GstCaps * caps);
+ GstPadDirection dir, GstCaps * caps, GstCaps * filter);
static GstFlowReturn gst_cv_sobel_transform (GstOpencvVideoFilter * filter,
GstBuffer * buf, IplImage * img, GstBuffer * outbuf, IplImage * outimg);
-/* GObject vmethod implementations */
-
-static void
-gst_cv_sobel_base_init (gpointer gclass)
-{
- GstElementClass *element_class = GST_ELEMENT_CLASS (gclass);
-
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&src_factory));
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&sink_factory));
-
- gst_element_class_set_details_simple (element_class,
- "cvsobel",
- "Transform/Effect/Video",
- "Applies cvSobel OpenCV function to the image",
- "Thiago Santos<thiago.sousa.santos@collabora.co.uk>");
-}
-
/* initialize the cvsobel's class */
static void
gst_cv_sobel_class_init (GstCvSobelClass * klass)
@@ -130,12 +113,11 @@ gst_cv_sobel_class_init (GstCvSobelClass * klass)
GstBaseTransformClass *gstbasetransform_class;
GstOpencvVideoFilterClass *gstopencvbasefilter_class;
+ GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gobject_class = (GObjectClass *) klass;
gstbasetransform_class = (GstBaseTransformClass *) klass;
gstopencvbasefilter_class = (GstOpencvVideoFilterClass *) klass;
- parent_class = g_type_class_peek_parent (klass);
-
gobject_class->set_property = gst_cv_sobel_set_property;
gobject_class->get_property = gst_cv_sobel_get_property;
@@ -155,10 +137,21 @@ gst_cv_sobel_class_init (GstCvSobelClass * klass)
g_param_spec_int ("aperture-size", "aperture size",
"Size of the extended Sobel Kernel (1, 3, 5 or 7)", 1, 7,
DEFAULT_APERTURE_SIZE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&src_factory));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&sink_factory));
+
+ gst_element_class_set_details_simple (element_class,
+ "cvsobel",
+ "Transform/Effect/Video",
+ "Applies cvSobel OpenCV function to the image",
+ "Thiago Santos<thiago.sousa.santos@collabora.co.uk>");
}
static void
-gst_cv_sobel_init (GstCvSobel * filter, GstCvSobelClass * gclass)
+gst_cv_sobel_init (GstCvSobel * filter)
{
filter->x_order = DEFAULT_X_ORDER;
filter->y_order = DEFAULT_Y_ORDER;
@@ -169,41 +162,69 @@ gst_cv_sobel_init (GstCvSobel * filter, GstCvSobelClass * gclass)
static GstCaps *
gst_cv_sobel_transform_caps (GstBaseTransform * trans, GstPadDirection dir,
- GstCaps * caps)
+ GstCaps * caps, GstCaps * filter)
{
- GstCaps *output = NULL;
+ GstCaps *to, *ret;
+ GstCaps *templ;
GstStructure *structure;
+ GstPad *other;
gint i;
- output = gst_caps_copy (caps);
-
- /* we accept anything from the template caps for either side */
- switch (dir) {
- case GST_PAD_SINK:
- for (i = 0; i < gst_caps_get_size (output); i++) {
- structure = gst_caps_get_structure (output, i);
- gst_structure_set (structure,
- "depth", G_TYPE_INT, 16,
- "bpp", G_TYPE_INT, 16,
- "endianness", G_TYPE_INT, G_BYTE_ORDER, NULL);
- }
- break;
- case GST_PAD_SRC:
- for (i = 0; i < gst_caps_get_size (output); i++) {
- structure = gst_caps_get_structure (output, i);
- gst_structure_set (structure,
- "depth", G_TYPE_INT, 8, "bpp", G_TYPE_INT, 8, NULL);
- gst_structure_remove_field (structure, "endianness");
- }
- break;
- default:
- gst_caps_unref (output);
- output = NULL;
- g_assert_not_reached ();
- break;
+ to = gst_caps_new_empty ();
+
+ for (i = 0; i < gst_caps_get_size (caps); i++) {
+ const GValue *v;
+ GValue list = { 0, };
+ GValue val = { 0, };
+
+ structure = gst_structure_copy (gst_caps_get_structure (caps, i));
+
+ g_value_init (&list, GST_TYPE_LIST);
+
+ g_value_init (&val, G_TYPE_STRING);
+ g_value_set_string (&val, "GRAY8");
+ gst_value_list_append_value (&list, &val);
+ g_value_unset (&val);
+
+ g_value_init (&val, G_TYPE_STRING);
+#if G_BYTE_ORDER == G_BIG_ENDIAN
+ g_value_set_string (&val, "GRAY16_BE");
+#else
+ g_value_set_string (&val, "GRAY16_LE");
+#endif
+ gst_value_list_append_value (&list, &val);
+ g_value_unset (&val);
+
+ v = gst_structure_get_value (structure, "format");
+
+ gst_value_list_merge (&val, v, &list);
+ gst_structure_set_value (structure, "format", &val);
+ g_value_unset (&val);
+ g_value_unset (&list);
+
+ gst_structure_remove_field (structure, "colorimetry");
+ gst_structure_remove_field (structure, "chroma-site");
+
+ gst_caps_append_structure (to, structure);
+
+ }
+ /* filter against set allowed caps on the pad */
+ other = (dir == GST_PAD_SINK) ? trans->srcpad : trans->sinkpad;
+ templ = gst_pad_get_pad_template_caps (other);
+ ret = gst_caps_intersect (to, templ);
+ gst_caps_unref (to);
+ gst_caps_unref (templ);
+
+ if (ret && filter) {
+ GstCaps *intersection;
+
+ intersection =
+ gst_caps_intersect_full (filter, ret, GST_CAPS_INTERSECT_FIRST);
+ gst_caps_unref (ret);
+ ret = intersection;
}
- return output;
+ return ret;
}
static void
generated by cgit v1.2.3 (git 2.39.1) at 2025-06-18 05:01:39 +0000