* Boston, MA 02111-1307, USA.
*/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
#include <string.h>
-#include <gstmedian.h>
-
+#include "gstmedian.h"
+#include <gst/video/video.h>
+/* elementfactory information */
static GstElementDetails median_details = {
"Median effect",
- "Filter/Effect",
- "apply a median filter to an image",
- VERSION,
- "Wim Taymans <wim.taymans@chello.be>",
- "(C) 2000",
+ "Filter/Effect/Video",
+ "Apply a median filter to an image",
+ "Wim Taymans <wim.taymans@chello.be>"
};
-GST_PADTEMPLATE_FACTORY (median_src_factory,
- "src",
- GST_PAD_SRC,
- GST_PAD_ALWAYS,
- GST_CAPS_NEW (
- "median_src",
- "video/raw",
- "format", GST_PROPS_FOURCC (GST_STR_FOURCC ("I420"))
- )
-)
-
-GST_PADTEMPLATE_FACTORY (median_sink_factory,
- "sink",
- GST_PAD_SINK,
- GST_PAD_ALWAYS,
- GST_CAPS_NEW (
- "median_src",
- "video/raw",
- "format", GST_PROPS_FOURCC (GST_STR_FOURCC ("I420"))
- )
-)
+static GstStaticPadTemplate median_src_factory = GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("I420"))
+ );
+
+static GstStaticPadTemplate median_sink_factory =
+GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("I420"))
+ );
/* Median signals and args */
-enum {
+enum
+{
/* FILL ME */
LAST_SIGNAL
};
-enum {
+enum
+{
ARG_0,
ARG_ACTIVE,
ARG_FILTERSIZE,
ARG_LUM_ONLY
};
-static GType gst_median_get_type (void);
-static void gst_median_class_init (GstMedianClass *klass);
-static void gst_median_init (GstMedian *median);
+static GType gst_median_get_type (void);
+static void gst_median_class_init (GstMedianClass * klass);
+static void gst_median_base_init (GstMedianClass * klass);
+static void gst_median_init (GstMedian * median);
-static void median_5 (unsigned char *src, unsigned char *dest, int height, int width);
-static void median_9 (unsigned char *src, unsigned char *dest, int height, int width);
-static void gst_median_chain (GstPad *pad, GstBuffer *buf);
+static void median_5 (unsigned char *src, unsigned char *dest, int height,
+ int width);
+static void median_9 (unsigned char *src, unsigned char *dest, int height,
+ int width);
+static void gst_median_chain (GstPad * pad, GstData * _data);
-static void gst_median_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
-static void gst_median_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
+static void gst_median_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec);
+static void gst_median_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec);
static GstElementClass *parent_class = NULL;
+
/*static guint gst_median_signals[LAST_SIGNAL] = { 0 }; */
GType
if (!median_type) {
static const GTypeInfo median_info = {
- sizeof(GstMedianClass), NULL, NULL, (GClassInitFunc)gst_median_class_init,
+ sizeof (GstMedianClass),
+ (GBaseInitFunc) gst_median_base_init,
+ NULL,
+ (GClassInitFunc) gst_median_class_init,
NULL,
NULL,
- sizeof(GstMedian),
+ sizeof (GstMedian),
0,
- (GInstanceInitFunc)gst_median_init,
+ (GInstanceInitFunc) gst_median_init,
};
- median_type = g_type_register_static(GST_TYPE_ELEMENT, "GstMedian", &median_info, 0);
+
+ median_type =
+ g_type_register_static (GST_TYPE_ELEMENT, "GstMedian", &median_info, 0);
}
return median_type;
}
static void
-gst_median_class_init (GstMedianClass *klass)
+gst_median_base_init (GstMedianClass * klass)
+{
+ GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
+
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&median_sink_factory));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&median_src_factory));
+ gst_element_class_set_details (element_class, &median_details);
+}
+
+static void
+gst_median_class_init (GstMedianClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
- gobject_class = (GObjectClass*)klass;
- gstelement_class = (GstElementClass*)klass;
+ gobject_class = (GObjectClass *) klass;
+ gstelement_class = (GstElementClass *) klass;
- parent_class = g_type_class_ref(GST_TYPE_ELEMENT);
+ parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_ACTIVE,
- g_param_spec_boolean("active","active","active",
- TRUE,G_PARAM_READWRITE)); /* CHECKME */
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_FILTERSIZE,
- g_param_spec_int("filtersize","filtersize","filtersize",
- G_MININT,G_MAXINT,0,G_PARAM_READWRITE)); /* CHECKME */
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_LUM_ONLY,
- g_param_spec_boolean("lum_only","lum_only","lum_only",
- TRUE,G_PARAM_READWRITE)); /* CHECKME */
+ g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_ACTIVE, g_param_spec_boolean ("active", "active", "active", TRUE, G_PARAM_READWRITE)); /* CHECKME */
+ g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_FILTERSIZE, g_param_spec_int ("filtersize", "filtersize", "filtersize", G_MININT, G_MAXINT, 0, G_PARAM_READWRITE)); /* CHECKME */
+ g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_LUM_ONLY, g_param_spec_boolean ("lum_only", "lum_only", "lum_only", TRUE, G_PARAM_READWRITE)); /* CHECKME */
gobject_class->set_property = gst_median_set_property;
gobject_class->get_property = gst_median_get_property;
}
static gboolean
-gst_median_sinkconnect (GstPad *pad, GstCaps *caps)
+gst_median_link (GstPad * pad, const GstCaps * caps)
{
- GstMedian *filter;
-
- filter = GST_MEDIAN (gst_pad_get_parent (pad));
-
- if (!GST_CAPS_IS_FIXED (caps))
- return GST_PAD_CONNECT_DELAYED;
+ GstMedian *filter = GST_MEDIAN (gst_pad_get_parent (pad));
+ GstPad *otherpad = (pad == filter->srcpad) ? filter->sinkpad : filter->srcpad;
+ GstStructure *structure = gst_caps_get_structure (caps, 0);
+ gint w, h;
+ GstPadLinkReturn ret;
+
+ gst_structure_get_int (structure, "width", &w);
+ gst_structure_get_int (structure, "height", &h);
+
+ ret = gst_pad_try_set_caps (otherpad, caps);
+ if (GST_PAD_LINK_SUCCESSFUL (ret)) {
+ filter->width = w;
+ filter->height = h;
+ }
- filter->width = gst_caps_get_int (caps, "width");
- filter->height = gst_caps_get_int (caps, "height");
+ gst_object_unref (filter);
- return GST_PAD_CONNECT_OK;
+ return ret;
}
-void gst_median_init (GstMedian *median)
+void
+gst_median_init (GstMedian * median)
{
- median->sinkpad = gst_pad_new_from_template (
- GST_PADTEMPLATE_GET (median_sink_factory), "sink");
- gst_pad_set_connect_function (median->sinkpad, gst_median_sinkconnect);
+ median->sinkpad =
+ gst_pad_new_from_template (gst_static_pad_template_get
+ (&median_sink_factory), "sink");
+ gst_pad_set_getcaps_function (median->sinkpad, gst_pad_proxy_getcaps);
+ gst_pad_set_link_function (median->sinkpad, gst_median_link);
gst_pad_set_chain_function (median->sinkpad, gst_median_chain);
gst_element_add_pad (GST_ELEMENT (median), median->sinkpad);
- median->srcpad = gst_pad_new_from_template (
- GST_PADTEMPLATE_GET (median_src_factory), "src");
+ median->srcpad =
+ gst_pad_new_from_template (gst_static_pad_template_get
+ (&median_src_factory), "src");
+ gst_pad_set_getcaps_function (median->srcpad, gst_pad_proxy_getcaps);
+ gst_pad_set_link_function (median->sinkpad, gst_median_link);
gst_element_add_pad (GST_ELEMENT (median), median->srcpad);
median->filtersize = 5;
nLastRow = height - 1;
/*copy the top and bottom rows into the result array */
- for (i=0; i<width; i++) {
+ for (i = 0; i < width; i++) {
dest[i] = src[i];
dest[nLastRow * width + i] = src[nLastRow * width + i];
}
/* process the interior pixels */
i = width + 1;
- for (k=0; k < nLastRow; k++) {
- for (j=0; j < nLastCol; j++, i++) {
- p[0] = src[i-width];
- p[1] = src[i-1];
+ for (k = 0; k < nLastRow; k++) {
+ for (j = 0; j < nLastCol; j++, i++) {
+ p[0] = src[i - width];
+ p[1] = src[i - 1];
p[2] = src[i];
- p[3] = src[i+1];
- p[4] = src[i+width];
- PIX_SORT(p[0],p[1]) ; PIX_SORT(p[3],p[4]) ; PIX_SORT(p[0],p[3]) ;
- PIX_SORT(p[1],p[4]) ; PIX_SORT(p[1],p[2]) ; PIX_SORT(p[2],p[3]) ;
- PIX_SORT(p[1],p[2]) ;
+ p[3] = src[i + 1];
+ p[4] = src[i + width];
+ PIX_SORT (p[0], p[1]);
+ PIX_SORT (p[3], p[4]);
+ PIX_SORT (p[0], p[3]);
+ PIX_SORT (p[1], p[4]);
+ PIX_SORT (p[1], p[2]);
+ PIX_SORT (p[2], p[3]);
+ PIX_SORT (p[1], p[2]);
dest[i] = p[2];
}
- dest[i] = src[i++];
- dest[i] = src[i++];
+ dest[i] = src[i];
+ i++;
+ dest[i] = src[i];
+ i++;
}
- dest[i] = src[i++];
+ dest[i] = src[i];
+ i++;
}
static void
nLastRow = height - 1;
/*copy the top and bottom rows into the result array */
- for (i=0; i<width; i++) {
+ for (i = 0; i < width; i++) {
dest[i] = src[i];
dest[nLastRow * width + i] = src[nLastRow * width + i];
}
/* process the interior pixels */
i = width + 1;
- for (k=0; k < nLastRow; k++) {
- for (j=0; j < nLastCol; j++, i++) {
- p[0] = src[i-width-1];
- p[1] = src[i-width];
- p[2] = src[i-width+1];
- p[3] = src[i-1];
+ for (k = 0; k < nLastRow; k++) {
+ for (j = 0; j < nLastCol; j++, i++) {
+ p[0] = src[i - width - 1];
+ p[1] = src[i - width];
+ p[2] = src[i - width + 1];
+ p[3] = src[i - 1];
p[4] = src[i];
- p[5] = src[i+1];
- p[6] = src[i+width-1];
- p[7] = src[i+width];
- p[8] = src[i+width+1];
- PIX_SORT(p[1], p[2]) ; PIX_SORT(p[4], p[5]) ; PIX_SORT(p[7], p[8]) ;
- PIX_SORT(p[0], p[1]) ; PIX_SORT(p[3], p[4]) ; PIX_SORT(p[6], p[7]) ;
- PIX_SORT(p[1], p[2]) ; PIX_SORT(p[4], p[5]) ; PIX_SORT(p[7], p[8]) ;
- PIX_SORT(p[0], p[3]) ; PIX_SORT(p[5], p[8]) ; PIX_SORT(p[4], p[7]) ;
- PIX_SORT(p[3], p[6]) ; PIX_SORT(p[1], p[4]) ; PIX_SORT(p[2], p[5]) ;
- PIX_SORT(p[4], p[7]) ; PIX_SORT(p[4], p[2]) ; PIX_SORT(p[6], p[4]) ;
- PIX_SORT(p[4], p[2]) ;
+ p[5] = src[i + 1];
+ p[6] = src[i + width - 1];
+ p[7] = src[i + width];
+ p[8] = src[i + width + 1];
+ PIX_SORT (p[1], p[2]);
+ PIX_SORT (p[4], p[5]);
+ PIX_SORT (p[7], p[8]);
+ PIX_SORT (p[0], p[1]);
+ PIX_SORT (p[3], p[4]);
+ PIX_SORT (p[6], p[7]);
+ PIX_SORT (p[1], p[2]);
+ PIX_SORT (p[4], p[5]);
+ PIX_SORT (p[7], p[8]);
+ PIX_SORT (p[0], p[3]);
+ PIX_SORT (p[5], p[8]);
+ PIX_SORT (p[4], p[7]);
+ PIX_SORT (p[3], p[6]);
+ PIX_SORT (p[1], p[4]);
+ PIX_SORT (p[2], p[5]);
+ PIX_SORT (p[4], p[7]);
+ PIX_SORT (p[4], p[2]);
+ PIX_SORT (p[6], p[4]);
+ PIX_SORT (p[4], p[2]);
dest[i] = p[4];
}
- dest[i] = src[i++];
- dest[i] = src[i++];
+ dest[i] = src[i];
+ i++;
+ dest[i] = src[i];
+ i++;
}
- dest[i] = src[i++];
+ dest[i] = src[i];
+ i++;
}
static void
-gst_median_chain (GstPad *pad, GstBuffer *buf)
+gst_median_chain (GstPad * pad, GstData * _data)
{
+ GstBuffer *buf = GST_BUFFER (_data);
GstMedian *median;
guchar *data;
gulong size;
GstBuffer *outbuf;
+
/* GstMeta *meta; */
int lumsize, chromsize;
- g_return_if_fail(pad != NULL);
- g_return_if_fail(GST_IS_PAD(pad));
- g_return_if_fail(buf != NULL);
+ g_return_if_fail (pad != NULL);
+ g_return_if_fail (GST_IS_PAD (pad));
+ g_return_if_fail (buf != NULL);
median = GST_MEDIAN (GST_OBJECT_PARENT (pad));
if (!median->active) {
- gst_pad_push(median->srcpad,buf);
+ gst_pad_push (median->srcpad, GST_DATA (buf));
return;
}
- data = GST_BUFFER_DATA(buf);
- size = GST_BUFFER_SIZE(buf);
+ data = GST_BUFFER_DATA (buf);
+ size = GST_BUFFER_SIZE (buf);
- GST_DEBUG (0,"median: have buffer of %d", GST_BUFFER_SIZE(buf));
+ GST_DEBUG ("median: have buffer of %d", GST_BUFFER_SIZE (buf));
- outbuf = gst_buffer_new();
- GST_BUFFER_DATA(outbuf) = g_malloc(GST_BUFFER_SIZE(buf));
- GST_BUFFER_SIZE(outbuf) = GST_BUFFER_SIZE(buf);
+ outbuf = gst_buffer_new ();
+ GST_BUFFER_DATA (outbuf) = g_malloc (GST_BUFFER_SIZE (buf));
+ GST_BUFFER_SIZE (outbuf) = GST_BUFFER_SIZE (buf);
lumsize = median->width * median->height;
- chromsize = lumsize/4;
+ chromsize = lumsize / 4;
if (median->filtersize == 5) {
- median_5(data, GST_BUFFER_DATA(outbuf), median->width, median->height);
+ median_5 (data, GST_BUFFER_DATA (outbuf), median->width, median->height);
if (!median->lum_only) {
- median_5(data+lumsize, GST_BUFFER_DATA(outbuf)+lumsize, median->width/2, median->height/2);
- median_5(data+lumsize+chromsize, GST_BUFFER_DATA(outbuf)+lumsize+chromsize, median->width/2, median->height/2);
+ median_5 (data + lumsize, GST_BUFFER_DATA (outbuf) + lumsize,
+ median->width / 2, median->height / 2);
+ median_5 (data + lumsize + chromsize,
+ GST_BUFFER_DATA (outbuf) + lumsize + chromsize, median->width / 2,
+ median->height / 2);
+ } else {
+ memcpy (GST_BUFFER_DATA (outbuf) + lumsize, data + lumsize,
+ chromsize * 2);
}
- else {
- memcpy (GST_BUFFER_DATA (outbuf)+lumsize, data+lumsize, chromsize*2);
- }
- }
- else {
- median_9(data, GST_BUFFER_DATA(outbuf), median->width, median->height);
+ } else {
+ median_9 (data, GST_BUFFER_DATA (outbuf), median->width, median->height);
if (!median->lum_only) {
- median_9(data+lumsize, GST_BUFFER_DATA(outbuf)+lumsize, median->width/2, median->height/2);
- median_9(data+lumsize+chromsize, GST_BUFFER_DATA(outbuf)+lumsize+chromsize, median->width/2, median->height/2);
- }
- else {
- memcpy (GST_BUFFER_DATA (outbuf)+lumsize, data+lumsize, chromsize*2);
+ median_9 (data + lumsize, GST_BUFFER_DATA (outbuf) + lumsize,
+ median->width / 2, median->height / 2);
+ median_9 (data + lumsize + chromsize,
+ GST_BUFFER_DATA (outbuf) + lumsize + chromsize, median->width / 2,
+ median->height / 2);
+ } else {
+ memcpy (GST_BUFFER_DATA (outbuf) + lumsize, data + lumsize,
+ chromsize * 2);
}
}
GST_BUFFER_TIMESTAMP (outbuf) = GST_BUFFER_TIMESTAMP (buf);
- gst_buffer_unref(buf);
+ gst_buffer_unref (buf);
- gst_pad_push(median->srcpad,outbuf);
+ gst_pad_push (median->srcpad, GST_DATA (outbuf));
}
static void
-gst_median_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
+gst_median_set_property (GObject * object, guint prop_id, const GValue * value,
+ GParamSpec * pspec)
{
GstMedian *median;
gint argvalue;
- /* it's not null if we got it, but it might not be ours */
- g_return_if_fail(GST_IS_MEDIAN(object));
- median = GST_MEDIAN(object);
+ g_return_if_fail (GST_IS_MEDIAN (object));
+ median = GST_MEDIAN (object);
switch (prop_id) {
case ARG_FILTERSIZE:
argvalue = g_value_get_int (value);
if (argvalue != 5 && argvalue != 9) {
- g_warning ("median: invalid filtersize (%d), must be 5 or 9\n", argvalue);
- }
- else {
- median->filtersize = argvalue;
+ g_warning ("median: invalid filtersize (%d), must be 5 or 9\n",
+ argvalue);
+ } else {
+ median->filtersize = argvalue;
}
break;
case ARG_ACTIVE:
}
static void
-gst_median_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
+gst_median_get_property (GObject * object, guint prop_id, GValue * value,
+ GParamSpec * pspec)
{
GstMedian *median;
- /* it's not null if we got it, but it might not be ours */
- g_return_if_fail(GST_IS_MEDIAN(object));
- median = GST_MEDIAN(object);
+ g_return_if_fail (GST_IS_MEDIAN (object));
+ median = GST_MEDIAN (object);
switch (prop_id) {
case ARG_FILTERSIZE:
static gboolean
-plugin_init (GModule *module, GstPlugin *plugin)
+plugin_init (GstPlugin * plugin)
{
- GstElementFactory *factory;
-
- factory = gst_elementfactory_new("median",GST_TYPE_MEDIAN,
- &median_details);
- g_return_val_if_fail(factory != NULL, FALSE);
-
- gst_elementfactory_add_padtemplate (factory, GST_PADTEMPLATE_GET (median_sink_factory));
- gst_elementfactory_add_padtemplate (factory, GST_PADTEMPLATE_GET (median_src_factory));
-
- gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));
-
- return TRUE;
+ return gst_element_register (plugin, "median",
+ GST_RANK_NONE, GST_TYPE_MEDIAN);
}
-GstPluginDesc plugin_desc = {
- GST_VERSION_MAJOR,
- GST_VERSION_MINOR,
- "median",
- plugin_init
-};
-
+GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
+ GST_VERSION_MINOR,
+ "median",
+ "Video median filter",
+ plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
projects / platform / upstream / gstreamer.git / blobdiff