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Original commit message from CVS: * ext/aalib/gstaasink.c: * ext/annodex/gstcmmldec.c: * ext/annodex/gstcmmlenc.c: * ext/cairo/gsttextoverlay.c: * ext/cairo/gsttimeoverlay.c: * ext/cdio/gstcdiocddasrc.c: * ext/dv/gstdvdec.c: * ext/dv/gstdvdemux.c: * ext/esd/esdmon.c: * ext/esd/esdsink.c: * ext/flac/gstflacenc.c: * ext/flac/gstflactag.c: * ext/gconf/gstgconfaudiosink.c: (gst_gconf_audio_sink_base_init): * ext/gconf/gstgconfaudiosrc.c: (gst_gconf_audio_src_base_init): * ext/gconf/gstgconfvideosink.c: (gst_gconf_video_sink_base_init): * ext/gconf/gstgconfvideosrc.c: (gst_gconf_video_src_base_init): * ext/gdk_pixbuf/pixbufscale.c: * ext/hal/gsthalaudiosink.c: (gst_hal_audio_sink_base_init): * ext/hal/gsthalaudiosrc.c: (gst_hal_audio_src_base_init): * ext/jpeg/gstjpegdec.c: * ext/jpeg/gstjpegenc.c: * ext/jpeg/gstsmokedec.c: * ext/jpeg/gstsmokeenc.c: * ext/libcaca/gstcacasink.c: * ext/libmng/gstmngdec.c: * ext/libmng/gstmngenc.c: * ext/libpng/gstpngdec.c: * ext/libpng/gstpngenc.c: * ext/mikmod/gstmikmod.c: * ext/raw1394/gstdv1394src.c: * ext/shout2/gstshout2.c: (gst_shout2send_init): * ext/shout2/gstshout2.h: * ext/speex/gstspeexdec.c: * ext/speex/gstspeexenc.c: * gst/alpha/gstalpha.c: * gst/alpha/gstalphacolor.c: * gst/apetag/gstapedemux.c: * gst/auparse/gstauparse.c: * gst/autodetect/gstautoaudiosink.c: (gst_auto_audio_sink_base_init): * gst/autodetect/gstautovideosink.c: (gst_auto_video_sink_base_init): * gst/avi/gstavidemux.c: (gst_avi_demux_base_init): * gst/avi/gstavimux.c: (gst_avimux_base_init): * gst/cutter/gstcutter.c: * gst/debug/breakmydata.c: * gst/debug/efence.c: * gst/debug/gstnavigationtest.c: * gst/debug/gstnavseek.c: * gst/debug/negotiation.c: * gst/debug/progressreport.c: * gst/debug/testplugin.c: * gst/effectv/gstaging.c: * gst/effectv/gstdice.c: * gst/effectv/gstedge.c: * gst/effectv/gstquark.c: * gst/effectv/gstrev.c: * gst/effectv/gstshagadelic.c: * gst/effectv/gstvertigo.c: * gst/effectv/gstwarp.c: * gst/flx/gstflxdec.c: * gst/goom/gstgoom.c: * gst/icydemux/gsticydemux.c: * gst/id3demux/gstid3demux.c: * gst/interleave/deinterleave.c: * gst/interleave/interleave.c: * gst/law/alaw-decode.c: (gst_alawdec_base_init): * gst/law/alaw-encode.c: (gst_alawenc_base_init): * gst/law/mulaw-decode.c: (gst_mulawdec_base_init): * gst/law/mulaw-encode.c: (gst_mulawenc_base_init): * gst/level/gstlevel.c: * gst/matroska/matroska-demux.c: (gst_matroska_demux_base_init): * gst/matroska/matroska-mux.c: (gst_matroska_mux_base_init): * gst/median/gstmedian.c: * gst/monoscope/gstmonoscope.c: * gst/multipart/multipartdemux.c: * gst/multipart/multipartmux.c: * gst/oldcore/gstaggregator.c: * gst/oldcore/gstfdsink.c: * gst/oldcore/gstmd5sink.c: * gst/oldcore/gstmultifilesrc.c: * gst/oldcore/gstpipefilter.c: * gst/oldcore/gstshaper.c: * gst/oldcore/gststatistics.c: * gst/rtp/gstasteriskh263.c: * gst/rtp/gstrtpL16depay.c: * gst/rtp/gstrtpL16pay.c: * gst/rtp/gstrtpamrdepay.c: * gst/rtp/gstrtpamrpay.c: * gst/rtp/gstrtpdepay.c: * gst/rtp/gstrtpgsmpay.c: * gst/rtp/gstrtph263pay.c: * gst/rtp/gstrtph263pdepay.c: * gst/rtp/gstrtph263ppay.c: * gst/rtp/gstrtpilbcdepay.c: * gst/rtp/gstrtpmp4gpay.c: * gst/rtp/gstrtpmp4vdepay.c: * gst/rtp/gstrtpmp4vpay.c: * gst/rtp/gstrtpmpadepay.c: * gst/rtp/gstrtpmpapay.c: * gst/rtp/gstrtppcmadepay.c: * gst/rtp/gstrtppcmapay.c: * gst/rtp/gstrtppcmudepay.c: * gst/rtp/gstrtppcmupay.c: * gst/rtp/gstrtpspeexdepay.c: * gst/rtp/gstrtpspeexpay.c: * gst/rtsp/gstrtpdec.c: * gst/rtsp/gstrtspsrc.c: * gst/smpte/gstsmpte.c: * gst/udp/gstdynudpsink.c: * gst/udp/gstmultiudpsink.c: * gst/udp/gstudpsink.c: * gst/udp/gstudpsrc.c: * gst/videobox/gstvideobox.c: * gst/videofilter/gstgamma.c: (gst_gamma_base_init): * gst/videofilter/gstvideobalance.c: * gst/videofilter/gstvideoflip.c: * gst/videofilter/gstvideotemplate.c: (gst_videotemplate_base_init): * gst/videomixer/videomixer.c: * gst/wavparse/gstwavparse.c: (gst_wavparse_base_init), (gst_wavparse_class_init), (gst_wavparse_dispose), (gst_wavparse_reset), (gst_wavparse_init), (gst_wavparse_perform_seek), (gst_wavparse_peek_chunk_info), (gst_wavparse_peek_chunk), (gst_wavparse_stream_headers), (gst_wavparse_parse_stream_init), (gst_wavparse_send_event), (gst_wavparse_add_src_pad), (gst_wavparse_stream_data), (gst_wavparse_chain), (gst_wavparse_srcpad_event), (gst_wavparse_sink_activate), (gst_wavparse_sink_activate_pull), (gst_wavparse_change_state): * gst/wavparse/gstwavparse.h: * sys/oss/gstossmixerelement.c: * sys/oss/gstosssink.c: * sys/oss/gstosssrc.c: * sys/osxaudio/gstosxaudioelement.c: * sys/osxaudio/gstosxaudiosink.c: * sys/osxaudio/gstosxaudiosrc.c: * sys/sunaudio/gstsunaudiomixer.c: * sys/sunaudio/gstsunaudiosink.c: Define GstElementDetails as const and also static (when defined as global)
434 lines
12 KiB
C
434 lines
12 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <string.h>
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#include "gstmedian.h"
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#include <gst/video/video.h>
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/* elementfactory information */
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static const GstElementDetails median_details =
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GST_ELEMENT_DETAILS ("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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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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);
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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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);
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/* Median signals and args */
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enum
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{
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/* FILL ME */
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LAST_SIGNAL
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};
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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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};
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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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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_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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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_details (element_class, &median_details);
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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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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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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_ACTIVE, g_param_spec_boolean ("active", "active", "active", TRUE, G_PARAM_READWRITE)); /* CHECKME */
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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 */
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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 */
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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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gst_structure_get_int (structure, "width", &w);
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gst_structure_get_int (structure, "height", &h);
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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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}
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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_template (gst_static_pad_template_get
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(&median_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 =
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gst_pad_new_from_template (gst_static_pad_template_get
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(&median_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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}
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#define PIX_SORT(a,b) { if ((a)>(b)) PIX_SWAP((a),(b)); }
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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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{
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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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}
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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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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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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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PIX_SORT (p[1], p[4]);
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PIX_SORT (p[1], p[2]);
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PIX_SORT (p[2], p[3]);
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PIX_SORT (p[1], p[2]);
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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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{
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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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}
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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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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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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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PIX_SORT (p[0], p[1]);
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PIX_SORT (p[3], p[4]);
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PIX_SORT (p[6], p[7]);
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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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PIX_SORT (p[0], p[3]);
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PIX_SORT (p[5], p[8]);
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PIX_SORT (p[4], p[7]);
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PIX_SORT (p[3], p[6]);
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PIX_SORT (p[1], p[4]);
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PIX_SORT (p[2], p[5]);
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PIX_SORT (p[4], p[7]);
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PIX_SORT (p[4], p[2]);
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PIX_SORT (p[6], p[4]);
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PIX_SORT (p[4], p[2]);
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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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{
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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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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,
|
|
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 {
|
|
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);
|
|
}
|
|
}
|
|
GST_BUFFER_TIMESTAMP (outbuf) = GST_BUFFER_TIMESTAMP (buf);
|
|
|
|
gst_buffer_unref (buf);
|
|
|
|
gst_pad_push (median->srcpad, GST_DATA (outbuf));
|
|
}
|
|
|
|
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 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;
|
|
}
|
|
break;
|
|
case ARG_ACTIVE:
|
|
median->active = g_value_get_boolean (value);
|
|
break;
|
|
case ARG_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 ARG_FILTERSIZE:
|
|
g_value_set_int (value, median->filtersize);
|
|
break;
|
|
case ARG_ACTIVE:
|
|
g_value_set_boolean (value, median->active);
|
|
break;
|
|
case ARG_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)
|