-/* Gnome-Streamer
+/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* This library is free software; you can redistribute it and/or
* Boston, MA 02111-1307, USA.
*/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
#include <string.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,
+GST_PAD_TEMPLATE_FACTORY (median_src_factory,
"src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
- GST_CAPS_NEW (
+ gst_caps_new (
"median_src",
- "video/raw",
- "format", GST_PROPS_FOURCC (GST_STR_FOURCC ("I420"))
+ "video/x-raw-yuv",
+ GST_VIDEO_YUV_PAD_TEMPLATE_PROPS (
+ GST_PROPS_FOURCC (GST_STR_FOURCC ("I420"))
+ )
)
)
-GST_PADTEMPLATE_FACTORY (median_sink_factory,
+GST_PAD_TEMPLATE_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"))
+ gst_caps_new (
+ "median_src",
+ "video/x-raw-yuv",
+ GST_VIDEO_YUV_PAD_TEMPLATE_PROPS (
+ GST_PROPS_FOURCC (GST_STR_FOURCC ("I420"))
+ )
)
)
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 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 GstElementClass *parent_class = NULL;
-//static guint gst_median_signals[LAST_SIGNAL] = { 0 };
-
-static GstPadNegotiateReturn
-median_negotiate_src (GstPad *pad, GstCaps **caps, gpointer *data)
-{
- GstMedian* filter = GST_MEDIAN (gst_pad_get_parent (pad));
-
- if (*caps==NULL)
- return GST_PAD_NEGOTIATE_FAIL;
-
- return gst_pad_negotiate_proxy (pad, filter->sinkpad, caps);
-}
-
-static GstPadNegotiateReturn
-median_negotiate_sink (GstPad *pad, GstCaps **caps, gpointer *data)
-{
- GstMedian* filter = GST_MEDIAN (gst_pad_get_parent (pad));
-
- if (*caps==NULL)
- return GST_PAD_NEGOTIATE_FAIL;
-
- return gst_pad_negotiate_proxy (pad, filter->srcpad, caps);
-}
+/*static guint gst_median_signals[LAST_SIGNAL] = { 0 }; */
GType
gst_median_get_type (void)
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),
}
static void
+gst_median_base_init (GstMedianClass *klass)
+{
+ GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
+
+ gst_element_class_add_pad_template (element_class,
+ GST_PAD_TEMPLATE_GET (median_sink_factory));
+ gst_element_class_add_pad_template (element_class,
+ GST_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;
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_ACTIVE,
g_param_spec_boolean("active","active","active",
- TRUE,G_PARAM_READWRITE)); // CHECKME
+ 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_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
+ TRUE,G_PARAM_READWRITE)); /* CHECKME */
gobject_class->set_property = gst_median_set_property;
gobject_class->get_property = gst_median_get_property;
}
-static void
-gst_median_newcaps (GstPad *pad, GstCaps *caps)
+static gboolean
+gst_median_sinkconnect (GstPad *pad, GstCaps *caps)
{
GstMedian *filter;
filter = GST_MEDIAN (gst_pad_get_parent (pad));
- filter->width = gst_caps_get_int (caps, "width");
- filter->height = gst_caps_get_int (caps, "height");
+ if (!GST_CAPS_IS_FIXED (caps))
+ return GST_PAD_LINK_DELAYED;
+
+ gst_caps_get_int (caps, "width", &filter->width);
+ gst_caps_get_int (caps, "height", &filter->height);
+
+ /* forward to the next plugin */
+ return gst_pad_try_set_caps(filter->srcpad, gst_caps_copy_1(caps));
}
void gst_median_init (GstMedian *median)
{
median->sinkpad = gst_pad_new_from_template (
- GST_PADTEMPLATE_GET (median_sink_factory), "sink");
- gst_pad_set_negotiate_function (median->sinkpad, median_negotiate_sink);
- gst_pad_set_newcaps_function (median->sinkpad, gst_median_newcaps);
+ GST_PAD_TEMPLATE_GET (median_sink_factory), "sink");
+ gst_pad_set_link_function (median->sinkpad, gst_median_sinkconnect);
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");
- gst_pad_set_negotiate_function (median->srcpad, median_negotiate_src);
+ GST_PAD_TEMPLATE_GET (median_src_factory), "src");
gst_element_add_pad (GST_ELEMENT (median), median->srcpad);
median->filtersize = 5;
nLastCol = width - 1;
nLastRow = height - 1;
- //copy the top and bottom rows into the result array
+ /*copy the top and bottom rows into the result array */
for (i=0; i<width; i++) {
dest[i] = src[i];
dest[nLastRow * width + i] = src[nLastRow * width + i];
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
nLastCol = width - 1;
nLastRow = height - 1;
- //copy the top and bottom rows into the result array
+ /*copy the top and bottom rows into the result array */
for (i=0; i<width; i++) {
dest[i] = src[i];
dest[nLastRow * width + i] = src[nLastRow * width + i];
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;
+/* GstMeta *meta; */
int lumsize, chromsize;
g_return_if_fail(pad != 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);
- GST_DEBUG (0,"median: have buffer of %d\n", 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_unref(buf);
- gst_pad_push(median->srcpad,outbuf);
+ gst_pad_push(median->srcpad,GST_DATA (outbuf));
}
static void
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_PLUGIN_DEFINE (
GST_VERSION_MAJOR,
GST_VERSION_MINOR,
"median",
- plugin_init
-};
-
+ "Video median filter",
+ plugin_init,
+ VERSION,
+ GST_LICENSE,
+ GST_PACKAGE,
+ GST_ORIGIN
+)
projects / platform / upstream / gst-plugins-good.git / blobdiff