+++ /dev/null
-/* GStreamer
- * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-#include <string.h>
-#include "gstmedian.h"
-#include <gst/video/video.h>
-
-static GstStaticPadTemplate median_src_factory = GST_STATIC_PAD_TEMPLATE ("src",
- GST_PAD_SRC,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("I420"))
- );
-
-static GstStaticPadTemplate median_sink_factory =
-GST_STATIC_PAD_TEMPLATE ("sink",
- GST_PAD_SINK,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("I420"))
- );
-
-
-/* Median signals and args */
-enum
-{
- /* FILL ME */
- LAST_SIGNAL
-};
-
-enum
-{
- PROP_0,
- PROP_ACTIVE,
- PROP_FILTERSIZE,
- PROP_LUM_ONLY
-};
-
-#define gst_median_parent_class parent_class
-G_DEFINE_TYPE (GstMedian, gst_median, GST_TYPE_VIDEO_FILTER);
-
-static void median_5 (guint8 * src, gint sstride, const guint8 * dest,
- gint dstride, gint width, gint height);
-#if 0
-static void median_9 (unsigned char *src, unsigned char *dest, int height,
- int width);
-#endif
-
-static GstFlowReturn gst_median_transform_frame (GstVideoFilter * filter,
- GstVideoFrame * in_frame, GstVideoFrame * out_frame);
-
-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_class_init (GstMedianClass * klass)
-{
- GObjectClass *gobject_class;
- GstElementClass *gstelement_class;
- GstVideoFilterClass *vfilter_class;
-
- gobject_class = (GObjectClass *) klass;
- gstelement_class = (GstElementClass *) klass;
- vfilter_class = (GstVideoFilterClass *) klass;
-
- gobject_class->set_property = gst_median_set_property;
- gobject_class->get_property = gst_median_get_property;
-
- /* FIXME: add long property descriptions */
- g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_ACTIVE,
- g_param_spec_boolean ("active", "active", "active", TRUE,
- G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
- g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_FILTERSIZE,
- g_param_spec_int ("filtersize", "filtersize", "filtersize", G_MININT,
- G_MAXINT, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
- g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_LUM_ONLY,
- g_param_spec_boolean ("lum-only", "lum-only", "lum-only", TRUE,
- G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
-
- gst_element_class_add_pad_template (gstelement_class,
- gst_static_pad_template_get (&median_sink_factory));
- gst_element_class_add_pad_template (gstelement_class,
- gst_static_pad_template_get (&median_src_factory));
- gst_element_class_set_static_metadata (gstelement_class, "Median effect",
- "Filter/Effect/Video",
- "Apply a median filter to an image",
- "Wim Taymans <wim.taymans@gmail.com>");
-
- vfilter_class->transform_frame =
- GST_DEBUG_FUNCPTR (gst_median_transform_frame);
-}
-
-void
-gst_median_init (GstMedian * median)
-{
- median->filtersize = 5;
- median->lum_only = TRUE;
- median->active = TRUE;
-}
-
-#define PIX_SORT(a,b) { if ((a)>(b)) PIX_SWAP((a),(b)); }
-#define PIX_SWAP(a,b) { unsigned char temp=(a);(a)=(b);(b)=temp; }
-
-static void
-median_5 (guint8 * dest, gint dstride, const guint8 * src, gint sstride,
- gint width, gint height)
-{
- unsigned char p[5];
- int i, j, k;
-
- /* copy the top and bottom rows into the result array */
- for (i = 0; i < width; i++) {
- dest[i] = src[i];
- dest[(height - 1) * dstride + i] = src[(height - 1) * sstride + i];
- }
-
- /* process the interior pixels */
- for (k = 2; k < height; k++) {
- dest += dstride;
- src += sstride;
-
- dest[0] = src[0];
- for (j = 2, i = 1; j < width; j++, i++) {
- p[0] = src[i - sstride];
- p[1] = src[i - 1];
- p[2] = src[i];
- p[3] = src[i + 1];
- p[4] = src[i + sstride];
- 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];
- }
-}
-
-static void
-median_9 (guint8 * dest, gint dstride, const guint8 * src, gint sstride,
- gint width, gint height)
-{
- unsigned char p[9];
- int i, j, k;
-
- /*copy the top and bottom rows into the result array */
- for (i = 0; i < width; i++) {
- dest[i] = src[i];
- dest[(height - 1) * dstride + i] = src[(height - 1) * sstride + i];
- }
- /* process the interior pixels */
- for (k = 2; k < height; k++) {
- dest += dstride;
- src += sstride;
-
- dest[0] = src[0];
- for (j = 2, i = 1; j < width; j++, i++) {
- p[0] = src[i - sstride - 1];
- p[1] = src[i - sstride];
- p[2] = src[i - sstride + 1];
- p[3] = src[i - 1];
- p[4] = src[i];
- p[5] = src[i + 1];
- p[6] = src[i + sstride - 1];
- p[7] = src[i + sstride];
- p[8] = src[i + sstride + 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];
- }
-}
-
-static GstFlowReturn
-gst_median_transform_frame (GstVideoFilter * filter, GstVideoFrame * in_frame,
- GstVideoFrame * out_frame)
-{
- GstMedian *median = GST_MEDIAN (filter);
-
- if (median->filtersize == 5) {
- median_5 (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 {
- 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 (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 {
- 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);
- }
- }
-
- return GST_FLOW_OK;
-}
-
-static void
-gst_median_set_property (GObject * object, guint prop_id, const GValue * value,
- GParamSpec * pspec)
-{
- GstMedian *median;
- gint argvalue;
-
- g_return_if_fail (GST_IS_MEDIAN (object));
- median = GST_MEDIAN (object);
-
- switch (prop_id) {
- 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",
- argvalue);
- } else {
- median->filtersize = argvalue;
- }
- break;
- case PROP_ACTIVE:
- median->active = g_value_get_boolean (value);
- break;
- case PROP_LUM_ONLY:
- median->lum_only = g_value_get_boolean (value);
- break;
- default:
- break;
- }
-}
-
-static void
-gst_median_get_property (GObject * object, guint prop_id, GValue * value,
- GParamSpec * pspec)
-{
- GstMedian *median;
-
- g_return_if_fail (GST_IS_MEDIAN (object));
- median = GST_MEDIAN (object);
-
- switch (prop_id) {
- case PROP_FILTERSIZE:
- g_value_set_int (value, median->filtersize);
- break;
- case PROP_ACTIVE:
- g_value_set_boolean (value, median->active);
- break;
- case PROP_LUM_ONLY:
- g_value_set_boolean (value, median->lum_only);
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-
-static gboolean
-plugin_init (GstPlugin * plugin)
-{
- return gst_element_register (plugin, "median",
- GST_RANK_NONE, GST_TYPE_MEDIAN);
-}
-
-GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
- GST_VERSION_MINOR,
- median,
- "Video median filter",
- plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
+++ /dev/null
-<?xml version="1.0" encoding="Windows-1252"?>
-<VisualStudioProject
- ProjectType="Visual C++"
- Version="7.10"
- Name="median"
- ProjectGUID="{979C216F-0ACF-4956-AE00-055A42D678B9}"
- Keyword="Win32Proj">
- <Platforms>
- <Platform
- Name="Win32"/>
- </Platforms>
- <Configurations>
- <Configuration
- Name="Debug|Win32"
- OutputDirectory="../../win32/Debug"
- IntermediateDirectory="../../win32/Debug"
- ConfigurationType="2"
- CharacterSet="2">
- <Tool
- Name="VCCLCompilerTool"
- Optimization="0"
- AdditionalIncludeDirectories="../../../gstreamer/win32;../../../gstreamer;../../../gstreamer/libs;../../../glib;../../../glib/glib;../../../glib/gmodule;"../../gst-libs";../../../popt/include;../../../libxml2/include/libxml2"
- PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;median_EXPORTS;HAVE_CONFIG_H;_USE_MATH_DEFINES"
- MinimalRebuild="TRUE"
- BasicRuntimeChecks="3"
- RuntimeLibrary="3"
- UsePrecompiledHeader="0"
- WarningLevel="3"
- Detect64BitPortabilityProblems="TRUE"
- DebugInformationFormat="4"/>
- <Tool
- Name="VCCustomBuildTool"/>
- <Tool
- Name="VCLinkerTool"
- AdditionalDependencies="glib-2.0.lib gmodule-2.0.lib gthread-2.0.lib gobject-2.0.lib libgstreamer.lib gstbytestream.lib iconv.lib intl.lib"
- OutputFile="$(OutDir)/gstmedian.dll"
- LinkIncremental="2"
- AdditionalLibraryDirectories="../../../gstreamer/win32/Debug;../../../glib/glib;../../../glib/gmodule;../../../glib/gthread;../../../glib/gobject;../../../gettext/lib;../../../libiconv/lib"
- ModuleDefinitionFile=""
- GenerateDebugInformation="TRUE"
- ProgramDatabaseFile="$(OutDir)/median.pdb"
- SubSystem="2"
- OptimizeReferences="2"
- ImportLibrary="$(OutDir)/gstmedian.lib"
- TargetMachine="1"/>
- <Tool
- Name="VCMIDLTool"/>
- <Tool
- Name="VCPostBuildEventTool"
- CommandLine="copy /Y $(TargetPath) c:\gstreamer\plugins"/>
- <Tool
- Name="VCPreBuildEventTool"/>
- <Tool
- Name="VCPreLinkEventTool"/>
- <Tool
- Name="VCResourceCompilerTool"/>
- <Tool
- Name="VCWebServiceProxyGeneratorTool"/>
- <Tool
- Name="VCXMLDataGeneratorTool"/>
- <Tool
- Name="VCWebDeploymentTool"/>
- <Tool
- Name="VCManagedWrapperGeneratorTool"/>
- <Tool
- Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
- </Configuration>
- <Configuration
- Name="Release|Win32"
- OutputDirectory="../../win32/Release"
- IntermediateDirectory="../../win32/Release"
- ConfigurationType="2"
- CharacterSet="2">
- <Tool
- Name="VCCLCompilerTool"
- AdditionalIncludeDirectories="../../../gstreamer/win32;../../../gstreamer;../../../gstreamer/libs;../../../glib;../../../glib/glib;../../../glib/gmodule;"../../gst-libs";../../../popt/include;../../../libxml2/include/libxml2"
- PreprocessorDefinitions="WIN32;NDEBUG;GST_DISABLE_GST_DEBUG;_WINDOWS;_USRDLL;median_EXPORTS;HAVE_CONFIG_H;_USE_MATH_DEFINES"
- RuntimeLibrary="2"
- UsePrecompiledHeader="0"
- WarningLevel="3"
- Detect64BitPortabilityProblems="TRUE"
- DebugInformationFormat="3"/>
- <Tool
- Name="VCCustomBuildTool"/>
- <Tool
- Name="VCLinkerTool"
- AdditionalDependencies="glib-2.0.lib gmodule-2.0.lib gthread-2.0.lib gobject-2.0.lib libgstreamer.lib gstbytestream.lib iconv.lib intl.lib"
- OutputFile="$(OutDir)/gstmedian.dll"
- LinkIncremental="1"
- AdditionalLibraryDirectories="../../../gstreamer/win32/Release;../../../glib/glib;../../../glib/gmodule;../../../glib/gthread;../../../glib/gobject;../../../gettext/lib;../../../libiconv/lib"
- ModuleDefinitionFile=""
- GenerateDebugInformation="TRUE"
- SubSystem="2"
- OptimizeReferences="2"
- EnableCOMDATFolding="2"
- ImportLibrary="$(OutDir)/gstmedian.lib"
- TargetMachine="1"/>
- <Tool
- Name="VCMIDLTool"/>
- <Tool
- Name="VCPostBuildEventTool"
- CommandLine="copy /Y $(TargetPath) c:\gstreamer\plugins"/>
- <Tool
- Name="VCPreBuildEventTool"/>
- <Tool
- Name="VCPreLinkEventTool"/>
- <Tool
- Name="VCResourceCompilerTool"/>
- <Tool
- Name="VCWebServiceProxyGeneratorTool"/>
- <Tool
- Name="VCXMLDataGeneratorTool"/>
- <Tool
- Name="VCWebDeploymentTool"/>
- <Tool
- Name="VCManagedWrapperGeneratorTool"/>
- <Tool
- Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
- </Configuration>
- </Configurations>
- <References>
- </References>
- <Files>
- <Filter
- Name="Source Files"
- Filter="cpp;c;cxx;def;odl;idl;hpj;bat;asm;asmx"
- UniqueIdentifier="{4FC737F1-C7A5-4376-A066-2A32D752A2FF}">
- <File
- RelativePath=".\gstmedian.c">
- </File>
- </Filter>
- <Filter
- Name="Header Files"
- Filter="h;hpp;hxx;hm;inl;inc;xsd"
- UniqueIdentifier="{93995380-89BD-4b04-88EB-625FBE52EBFB}">
- <File
- RelativePath=".\gstmedian.h">
- </File>
- </Filter>
- <Filter
- Name="Resource Files"
- Filter="rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx"
- UniqueIdentifier="{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}">
- </Filter>
- </Files>
- <Globals>
- </Globals>
-</VisualStudioProject>