mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-18 07:47:17 +00:00
media: port to 1.0
This commit is contained in:
Wim Taymans
parent
f94572fb36
commit
b893197317
4 changed files with 145 additions and 224 deletions
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@ -326,6 +326,7 @@ AG_GST_CHECK_PLUGIN(isomp4)
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AG_GST_CHECK_PLUGIN(law)
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AG_GST_CHECK_PLUGIN(level)
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AG_GST_CHECK_PLUGIN(matroska)
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AG_GST_CHECK_PLUGIN(median)
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AG_GST_CHECK_PLUGIN(monoscope)
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AG_GST_CHECK_PLUGIN(multifile)
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AG_GST_CHECK_PLUGIN(multipart)
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@ -1082,6 +1083,7 @@ gst/isomp4/Makefile
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gst/law/Makefile
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gst/level/Makefile
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gst/matroska/Makefile
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gst/median/Makefile
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gst/monoscope/Makefile
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gst/multifile/Makefile
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gst/multipart/Makefile
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@ -1,10 +1,25 @@
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plugin_LTLIBRARIES = libgstmedian.la
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libgstmedian_la_SOURCES = gstmedian.c
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libgstmedian_la_CFLAGS = $(GST_CFLAGS)
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libgstmedian_la_LIBADD = $(GST_LIBS)
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libgstmedian_la_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) \
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$(GST_BASE_CFLAGS) $(GST_CFLAGS)
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libgstmedian_la_LIBADD = $(GST_PLUGINS_BASE_LIBS) -lgstvideo-$(GST_API_VERSION) \
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$(GST_BASE_LIBS) $(GST_LIBS) $(LIBM)
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libgstmedian_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
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libgstmedian_la_LIBTOOLFLAGS = --tag=disable-static
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noinst_HEADERS = gstmedian.h
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Android.mk: Makefile.am $(BUILT_SOURCES)
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androgenizer \
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-:PROJECT libgstmedian -:SHARED libgstmedian \
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-:TAGS eng debug \
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-:REL_TOP $(top_srcdir) -:ABS_TOP $(abs_top_srcdir) \
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-:SOURCES $(libgstmedian_la_SOURCES) \
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-:CFLAGS $(DEFS) $(DEFAULT_INCLUDES) $(libgstmedian_la_CFLAGS) \
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-:LDFLAGS $(libgstmedian_la_LDFLAGS) \
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$(libgstmedian_la_LIBADD) \
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-ldl \
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-:PASSTHROUGH LOCAL_ARM_MODE:=arm \
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LOCAL_MODULE_PATH:='$$(TARGET_OUT)/lib/gstreamer-1.0' \
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> $@
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@ -27,14 +27,14 @@
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static GstStaticPadTemplate median_src_factory = GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("I420"))
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GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("I420"))
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);
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static GstStaticPadTemplate median_sink_factory =
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GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("I420"))
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GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("I420"))
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);
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@ -47,135 +47,71 @@ enum
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enum
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{
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ARG_0,
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ARG_ACTIVE,
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ARG_FILTERSIZE,
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ARG_LUM_ONLY
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PROP_0,
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PROP_ACTIVE,
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PROP_FILTERSIZE,
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PROP_LUM_ONLY
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};
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static GType gst_median_get_type (void);
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static void gst_median_class_init (GstMedianClass * klass);
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static void gst_median_base_init (GstMedianClass * klass);
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static void gst_median_init (GstMedian * median);
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#define gst_median_parent_class parent_class
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G_DEFINE_TYPE (GstMedian, gst_median, GST_TYPE_VIDEO_FILTER);
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static void median_5 (unsigned char *src, unsigned char *dest, int height,
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int width);
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static void median_5 (guint8 * src, gint sstride, const guint8 * dest,
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gint dstride, gint width, gint height);
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#if 0
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static void median_9 (unsigned char *src, unsigned char *dest, int height,
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int width);
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static void gst_median_chain (GstPad * pad, GstData * _data);
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#endif
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static GstFlowReturn gst_median_transform_frame (GstVideoFilter * filter,
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GstVideoFrame * in_frame, GstVideoFrame * out_frame);
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static void gst_median_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static void gst_median_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static GstElementClass *parent_class = NULL;
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/*static guint gst_median_signals[LAST_SIGNAL] = { 0 }; */
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GType
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gst_median_get_type (void)
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{
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static GType median_type = 0;
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if (!median_type) {
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static const GTypeInfo median_info = {
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sizeof (GstMedianClass),
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(GBaseInitFunc) gst_median_base_init,
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NULL,
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(GClassInitFunc) gst_median_class_init,
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NULL,
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NULL,
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sizeof (GstMedian),
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0,
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(GInstanceInitFunc) gst_median_init,
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};
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median_type =
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g_type_register_static (GST_TYPE_ELEMENT, "GstMedian", &median_info, 0);
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}
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return median_type;
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}
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static void
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gst_median_base_init (GstMedianClass * klass)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&median_sink_factory));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&median_src_factory));
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gst_element_class_set_static_metadata (element_class, "Median effect",
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"Filter/Effect/Video",
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"Apply a median filter to an image",
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"Wim Taymans <wim.taymans@chello.be>");
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}
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static void
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gst_median_class_init (GstMedianClass * klass)
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{
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GObjectClass *gobject_class;
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GstElementClass *gstelement_class;
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GstVideoFilterClass *vfilter_class;
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gobject_class = (GObjectClass *) klass;
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gstelement_class = (GstElementClass *) klass;
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parent_class = g_type_class_peek_parent (klass);
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/* FIXME: add long property descriptions */
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_ACTIVE,
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g_param_spec_boolean ("active", "active", "active", TRUE,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_FILTERSIZE,
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g_param_spec_int ("filtersize", "filtersize", "filtersize", G_MININT,
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G_MAXINT, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_LUM_ONLY,
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g_param_spec_boolean ("lum-only", "lum-only", "lum-only", TRUE,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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vfilter_class = (GstVideoFilterClass *) klass;
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gobject_class->set_property = gst_median_set_property;
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gobject_class->get_property = gst_median_get_property;
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}
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static gboolean
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gst_median_link (GstPad * pad, const GstCaps * caps)
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{
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GstMedian *filter = GST_MEDIAN (gst_pad_get_parent (pad));
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GstPad *otherpad = (pad == filter->srcpad) ? filter->sinkpad : filter->srcpad;
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GstStructure *structure = gst_caps_get_structure (caps, 0);
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gint w, h;
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GstPadLinkReturn ret;
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/* FIXME: add long property descriptions */
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g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_ACTIVE,
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g_param_spec_boolean ("active", "active", "active", TRUE,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_FILTERSIZE,
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g_param_spec_int ("filtersize", "filtersize", "filtersize", G_MININT,
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G_MAXINT, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_LUM_ONLY,
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g_param_spec_boolean ("lum-only", "lum-only", "lum-only", TRUE,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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gst_structure_get_int (structure, "width", &w);
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gst_structure_get_int (structure, "height", &h);
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gst_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&median_sink_factory));
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gst_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&median_src_factory));
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gst_element_class_set_static_metadata (gstelement_class, "Median effect",
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"Filter/Effect/Video",
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"Apply a median filter to an image",
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"Wim Taymans <wim.taymans@gmail.com>");
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ret = gst_pad_try_set_caps (otherpad, caps);
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if (GST_PAD_LINK_SUCCESSFUL (ret)) {
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filter->width = w;
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filter->height = h;
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}
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gst_object_unref (filter);
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return ret;
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vfilter_class->transform_frame =
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GST_DEBUG_FUNCPTR (gst_median_transform_frame);
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}
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void
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gst_median_init (GstMedian * median)
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{
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median->sinkpad =
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gst_pad_new_from_static_template (&media_sink_factory, "sink");
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gst_pad_set_getcaps_function (median->sinkpad, gst_pad_proxy_getcaps);
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gst_pad_set_link_function (median->sinkpad, gst_median_link);
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gst_pad_set_chain_function (median->sinkpad, gst_median_chain);
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gst_element_add_pad (GST_ELEMENT (median), median->sinkpad);
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median->srcpad = gst_pad_new_from_static_template (&media_src_factory, "src");
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gst_pad_set_getcaps_function (median->srcpad, gst_pad_proxy_getcaps);
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gst_pad_set_link_function (median->sinkpad, gst_median_link);
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gst_element_add_pad (GST_ELEMENT (median), median->srcpad);
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median->filtersize = 5;
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median->lum_only = TRUE;
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median->active = TRUE;
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@ -185,35 +121,30 @@ gst_median_init (GstMedian * median)
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#define PIX_SWAP(a,b) { unsigned char temp=(a);(a)=(b);(b)=temp; }
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static void
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median_5 (unsigned char *src, unsigned char *dest, int width, int height)
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median_5 (guint8 * dest, gint dstride, const guint8 * src, gint sstride,
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gint width, gint height)
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{
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int nLastRow;
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int nLastCol;
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unsigned char p[9];
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unsigned char p[5];
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int i, j, k;
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nLastCol = width - 1;
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nLastRow = height - 1;
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/*copy the top and bottom rows into the result array */
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/* copy the top and bottom rows into the result array */
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for (i = 0; i < width; i++) {
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dest[i] = src[i];
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dest[nLastRow * width + i] = src[nLastRow * width + i];
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dest[(height - 1) * dstride + i] = src[(height - 1) * sstride + i];
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}
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dest[i] = src[i];
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nLastCol--;
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nLastRow--;
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/* process the interior pixels */
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i = width + 1;
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for (k = 0; k < nLastRow; k++) {
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for (j = 0; j < nLastCol; j++, i++) {
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p[0] = src[i - width];
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for (k = 2; k < height; k++) {
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dest += dstride;
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src += sstride;
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dest[0] = src[0];
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for (j = 2, i = 1; j < width; j++, i++) {
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p[0] = src[i - sstride];
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p[1] = src[i - 1];
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p[2] = src[i];
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p[3] = src[i + 1];
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p[4] = src[i + width];
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p[4] = src[i + sstride];
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PIX_SORT (p[0], p[1]);
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PIX_SORT (p[3], p[4]);
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PIX_SORT (p[0], p[3]);
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@ -224,48 +155,37 @@ median_5 (unsigned char *src, unsigned char *dest, int width, int height)
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dest[i] = p[2];
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}
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dest[i] = src[i];
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i++;
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dest[i] = src[i];
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i++;
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}
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dest[i] = src[i];
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i++;
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}
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static void
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median_9 (unsigned char *src, unsigned char *dest, int width, int height)
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median_9 (guint8 * dest, gint dstride, const guint8 * src, gint sstride,
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gint width, gint height)
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{
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int nLastRow;
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int nLastCol;
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unsigned char p[9];
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int i, j, k;
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nLastCol = width - 1;
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nLastRow = height - 1;
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/*copy the top and bottom rows into the result array */
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for (i = 0; i < width; i++) {
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dest[i] = src[i];
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dest[nLastRow * width + i] = src[nLastRow * width + i];
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dest[(height - 1) * dstride + i] = src[(height - 1) * sstride + i];
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}
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dest[i] = src[i];
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nLastCol--;
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nLastRow--;
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/* process the interior pixels */
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i = width + 1;
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for (k = 0; k < nLastRow; k++) {
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for (j = 0; j < nLastCol; j++, i++) {
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p[0] = src[i - width - 1];
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p[1] = src[i - width];
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p[2] = src[i - width + 1];
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for (k = 2; k < height; k++) {
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dest += dstride;
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src += sstride;
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dest[0] = src[0];
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for (j = 2, i = 1; j < width; j++, i++) {
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p[0] = src[i - sstride - 1];
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p[1] = src[i - sstride];
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p[2] = src[i - sstride + 1];
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p[3] = src[i - 1];
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p[4] = src[i];
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p[5] = src[i + 1];
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p[6] = src[i + width - 1];
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p[7] = src[i + width];
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p[8] = src[i + width + 1];
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p[6] = src[i + sstride - 1];
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p[7] = src[i + sstride];
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p[8] = src[i + sstride + 1];
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PIX_SORT (p[1], p[2]);
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PIX_SORT (p[4], p[5]);
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PIX_SORT (p[7], p[8]);
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@ -288,79 +208,66 @@ median_9 (unsigned char *src, unsigned char *dest, int width, int height)
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dest[i] = p[4];
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}
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dest[i] = src[i];
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i++;
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dest[i] = src[i];
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i++;
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}
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dest[i] = src[i];
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i++;
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}
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static void
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gst_median_chain (GstPad * pad, GstData * _data)
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static GstFlowReturn
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gst_median_transform_frame (GstVideoFilter * filter, GstVideoFrame * in_frame,
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GstVideoFrame * out_frame)
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{
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GstBuffer *buf = GST_BUFFER (_data);
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GstMedian *median;
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guchar *data;
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gulong size;
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GstBuffer *outbuf;
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/* GstMeta *meta; */
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int lumsize, chromsize;
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g_return_if_fail (pad != NULL);
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g_return_if_fail (GST_IS_PAD (pad));
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g_return_if_fail (buf != NULL);
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median = GST_MEDIAN (GST_OBJECT_PARENT (pad));
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if (!median->active) {
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gst_pad_push (median->srcpad, GST_DATA (buf));
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return;
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}
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data = GST_BUFFER_DATA (buf);
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size = GST_BUFFER_SIZE (buf);
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GST_DEBUG ("median: have buffer of %d", GST_BUFFER_SIZE (buf));
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outbuf = gst_buffer_new ();
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GST_BUFFER_DATA (outbuf) = g_malloc (GST_BUFFER_SIZE (buf));
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GST_BUFFER_SIZE (outbuf) = GST_BUFFER_SIZE (buf);
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lumsize = median->width * median->height;
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chromsize = lumsize / 4;
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GstMedian *median = GST_MEDIAN (filter);
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if (median->filtersize == 5) {
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median_5 (data, GST_BUFFER_DATA (outbuf), median->width, median->height);
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if (!median->lum_only) {
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median_5 (data + lumsize, GST_BUFFER_DATA (outbuf) + lumsize,
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median->width / 2, median->height / 2);
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median_5 (data + lumsize + chromsize,
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GST_BUFFER_DATA (outbuf) + lumsize + chromsize, median->width / 2,
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median->height / 2);
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median_5 (GST_VIDEO_FRAME_PLANE_DATA (out_frame, 0),
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GST_VIDEO_FRAME_PLANE_STRIDE (out_frame, 0),
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GST_VIDEO_FRAME_PLANE_DATA (in_frame, 0),
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GST_VIDEO_FRAME_PLANE_STRIDE (in_frame, 0),
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GST_VIDEO_FRAME_WIDTH (in_frame), GST_VIDEO_FRAME_HEIGHT (in_frame));
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||||
if (median->lum_only) {
|
||||
gst_video_frame_copy_plane (out_frame, in_frame, 1);
|
||||
gst_video_frame_copy_plane (out_frame, in_frame, 2);
|
||||
} else {
|
||||
memcpy (GST_BUFFER_DATA (outbuf) + lumsize, data + lumsize,
|
||||
chromsize * 2);
|
||||
median_5 (GST_VIDEO_FRAME_PLANE_DATA (out_frame, 1),
|
||||
GST_VIDEO_FRAME_PLANE_STRIDE (out_frame, 1),
|
||||
GST_VIDEO_FRAME_PLANE_DATA (in_frame, 1),
|
||||
GST_VIDEO_FRAME_PLANE_STRIDE (in_frame, 1),
|
||||
GST_VIDEO_FRAME_WIDTH (in_frame) / 2,
|
||||
GST_VIDEO_FRAME_HEIGHT (in_frame) / 2);
|
||||
median_5 (GST_VIDEO_FRAME_PLANE_DATA (out_frame, 2),
|
||||
GST_VIDEO_FRAME_PLANE_STRIDE (out_frame, 2),
|
||||
GST_VIDEO_FRAME_PLANE_DATA (in_frame, 2),
|
||||
GST_VIDEO_FRAME_PLANE_STRIDE (in_frame, 2),
|
||||
GST_VIDEO_FRAME_WIDTH (in_frame) / 2,
|
||||
GST_VIDEO_FRAME_HEIGHT (in_frame) / 2);
|
||||
}
|
||||
} 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);
|
||||
median_9 (GST_VIDEO_FRAME_PLANE_DATA (out_frame, 0),
|
||||
GST_VIDEO_FRAME_PLANE_STRIDE (out_frame, 0),
|
||||
GST_VIDEO_FRAME_PLANE_DATA (in_frame, 0),
|
||||
GST_VIDEO_FRAME_PLANE_STRIDE (in_frame, 0),
|
||||
GST_VIDEO_FRAME_WIDTH (in_frame), GST_VIDEO_FRAME_HEIGHT (in_frame));
|
||||
|
||||
if (median->lum_only) {
|
||||
gst_video_frame_copy_plane (out_frame, in_frame, 1);
|
||||
gst_video_frame_copy_plane (out_frame, in_frame, 2);
|
||||
} else {
|
||||
memcpy (GST_BUFFER_DATA (outbuf) + lumsize, data + lumsize,
|
||||
chromsize * 2);
|
||||
median_9 (GST_VIDEO_FRAME_PLANE_DATA (out_frame, 1),
|
||||
GST_VIDEO_FRAME_PLANE_STRIDE (out_frame, 1),
|
||||
GST_VIDEO_FRAME_PLANE_DATA (in_frame, 1),
|
||||
GST_VIDEO_FRAME_PLANE_STRIDE (in_frame, 1),
|
||||
GST_VIDEO_FRAME_WIDTH (in_frame) / 2,
|
||||
GST_VIDEO_FRAME_HEIGHT (in_frame) / 2);
|
||||
median_9 (GST_VIDEO_FRAME_PLANE_DATA (out_frame, 2),
|
||||
GST_VIDEO_FRAME_PLANE_STRIDE (out_frame, 2),
|
||||
GST_VIDEO_FRAME_PLANE_DATA (in_frame, 2),
|
||||
GST_VIDEO_FRAME_PLANE_STRIDE (in_frame, 2),
|
||||
GST_VIDEO_FRAME_WIDTH (in_frame) / 2,
|
||||
GST_VIDEO_FRAME_HEIGHT (in_frame) / 2);
|
||||
}
|
||||
}
|
||||
GST_BUFFER_TIMESTAMP (outbuf) = GST_BUFFER_TIMESTAMP (buf);
|
||||
|
||||
gst_buffer_unref (buf);
|
||||
|
||||
gst_pad_push (median->srcpad, GST_DATA (outbuf));
|
||||
return GST_FLOW_OK;
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -374,7 +281,7 @@ gst_median_set_property (GObject * object, guint prop_id, const GValue * value,
|
|||
median = GST_MEDIAN (object);
|
||||
|
||||
switch (prop_id) {
|
||||
case ARG_FILTERSIZE:
|
||||
case PROP_FILTERSIZE:
|
||||
argvalue = g_value_get_int (value);
|
||||
if (argvalue != 5 && argvalue != 9) {
|
||||
g_warning ("median: invalid filtersize (%d), must be 5 or 9\n",
|
||||
|
|
@ -383,10 +290,10 @@ gst_median_set_property (GObject * object, guint prop_id, const GValue * value,
|
|||
median->filtersize = argvalue;
|
||||
}
|
||||
break;
|
||||
case ARG_ACTIVE:
|
||||
case PROP_ACTIVE:
|
||||
median->active = g_value_get_boolean (value);
|
||||
break;
|
||||
case ARG_LUM_ONLY:
|
||||
case PROP_LUM_ONLY:
|
||||
median->lum_only = g_value_get_boolean (value);
|
||||
break;
|
||||
default:
|
||||
|
|
@ -404,13 +311,13 @@ gst_median_get_property (GObject * object, guint prop_id, GValue * value,
|
|||
median = GST_MEDIAN (object);
|
||||
|
||||
switch (prop_id) {
|
||||
case ARG_FILTERSIZE:
|
||||
case PROP_FILTERSIZE:
|
||||
g_value_set_int (value, median->filtersize);
|
||||
break;
|
||||
case ARG_ACTIVE:
|
||||
case PROP_ACTIVE:
|
||||
g_value_set_boolean (value, median->active);
|
||||
break;
|
||||
case ARG_LUM_ONLY:
|
||||
case PROP_LUM_ONLY:
|
||||
g_value_set_boolean (value, median->lum_only);
|
||||
break;
|
||||
default:
|
||||
|
|
|
|||
|
|
@ -23,12 +23,10 @@
|
|||
|
||||
|
||||
#include <gst/gst.h>
|
||||
#include <gst/video/video.h>
|
||||
#include <gst/video/gstvideofilter.h>
|
||||
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif /* __cplusplus */
|
||||
|
||||
G_BEGIN_DECLS
|
||||
|
||||
#define GST_TYPE_MEDIAN \
|
||||
(gst_median_get_type())
|
||||
|
|
@ -45,7 +43,7 @@ typedef struct _GstMedian GstMedian;
|
|||
typedef struct _GstMedianClass GstMedianClass;
|
||||
|
||||
struct _GstMedian {
|
||||
GstElement element;
|
||||
GstVideoFilter parent;
|
||||
|
||||
int format;
|
||||
int width;
|
||||
|
|
@ -60,12 +58,11 @@ struct _GstMedian {
|
|||
};
|
||||
|
||||
struct _GstMedianClass {
|
||||
GstElementClass parent_class;
|
||||
GstVideoFilterClass parent_class;
|
||||
};
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif /* __cplusplus */
|
||||
GType gst_median_get_type (void);
|
||||
|
||||
G_END_DECLS
|
||||
|
||||
#endif /* __GST_MEDIAN_H__ */
|
||||
|
|
|
|||
Loading…
Reference in a new issue