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Original commit message from CVS: * ext/amrwb/gstamrwbdec.c: (gst_amrwbdec_init): * ext/amrwb/gstamrwbenc.c: (gst_amrwbenc_init): * ext/amrwb/gstamrwbparse.c: (gst_amrwbparse_init): * ext/audioresample/gstaudioresample.c: * ext/bz2/gstbz2dec.c: (gst_bz2dec_init): * ext/bz2/gstbz2enc.c: (gst_bz2enc_init): * ext/divx/gstdivxdec.c: (gst_divxdec_init): * ext/divx/gstdivxenc.c: (gst_divxenc_init): * ext/faac/gstfaac.c: (gst_faac_init): * ext/gsm/gstgsmdec.c: (gst_gsmdec_init): * ext/gsm/gstgsmenc.c: (gst_gsmenc_init): * ext/hermes/gsthermescolorspace.c: (gst_hermes_colorspace_init): * ext/lcs/gstcolorspace.c: (gst_colorspace_init): * ext/libfame/gstlibfame.c: (gst_fameenc_init): * ext/snapshot/gstsnapshot.c: (gst_snapshot_init): * ext/spc/gstspc.c: (gst_spc_dec_init): * ext/swfdec/gstswfdec.c: (gst_swfdec_init): * ext/xvid/gstxvidenc.c: (gst_xvidenc_init): * gst/cdxaparse/gstcdxaparse.c: (gst_cdxa_parse_init): * gst/cdxaparse/gstcdxastrip.c: (gst_cdxastrip_init): * gst/chart/gstchart.c: (gst_chart_init): * gst/colorspace/gstcolorspace.c: (gst_colorspace_init): * gst/festival/gstfestival.c: (gst_festival_init): * gst/freeze/gstfreeze.c: (gst_freeze_init): * gst/mixmatrix/mixmatrix.c: (gst_mixmatrix_request_new_pad): * gst/mpeg1sys/gstmpeg1systemencode.c: (gst_system_encode_init): * gst/mpeg2sub/gstmpeg2subt.c: (gst_mpeg2subt_init): * gst/nsf/gstnsf.c: (gst_nsfdec_init): * gst/overlay/gstoverlay.c: (gst_overlay_init): * gst/passthrough/gstpassthrough.c: (passthrough_init): * gst/playondemand/gstplayondemand.c: (play_on_demand_init): * gst/smooth/gstsmooth.c: (gst_smooth_init): * gst/smoothwave/gstsmoothwave.c: (gst_smoothwave_init): * gst/speed/gstspeed.c: (speed_init): * gst/vbidec/gstvbidec.c: (gst_vbidec_init): * gst/videodrop/gstvideodrop.c: (gst_videodrop_init): * sys/dxr3/dxr3spusink.c: (dxr3spusink_init): * sys/dxr3/dxr3videosink.c: (dxr3videosink_init): * sys/qcam/gstqcamsrc.c: (gst_qcamsrc_init): Fix leaks.
345 lines
9.6 KiB
C
345 lines
9.6 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 "gstsmooth.h"
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#include <gst/video/video.h>
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/* elementfactory information */
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static const GstElementDetails smooth_details =
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GST_ELEMENT_DETAILS ("Smooth effect",
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"Filter/Effect/Video",
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"Apply a smooth filter to an image",
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"Wim Taymans <wim.taymans@chello.be>");
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/* Smooth 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_TOLERANCE,
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ARG_FILTERSIZE,
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ARG_LUM_ONLY
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};
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static GstStaticPadTemplate gst_smooth_src_template =
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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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);
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static GstStaticPadTemplate gst_smooth_sink_template =
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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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);
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static void gst_smooth_class_init (GstSmoothClass * klass);
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static void gst_smooth_base_init (GstSmoothClass * klass);
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static void gst_smooth_init (GstSmooth * smooth);
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static void gst_smooth_chain (GstPad * pad, GstData * _data);
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static void smooth_filter (unsigned char *dest, unsigned char *src,
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int width, int height, int tolerance, int filtersize);
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static void gst_smooth_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static void gst_smooth_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_smooth_signals[LAST_SIGNAL] = { 0 }; */
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GType
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gst_smooth_get_type (void)
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{
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static GType smooth_type = 0;
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if (!smooth_type) {
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static const GTypeInfo smooth_info = {
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sizeof (GstSmoothClass),
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(GBaseInitFunc) gst_smooth_base_init,
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NULL,
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(GClassInitFunc) gst_smooth_class_init,
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NULL,
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NULL,
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sizeof (GstSmooth),
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0,
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(GInstanceInitFunc) gst_smooth_init,
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};
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smooth_type =
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g_type_register_static (GST_TYPE_ELEMENT, "GstSmooth", &smooth_info, 0);
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}
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return smooth_type;
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}
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static void
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gst_smooth_base_init (GstSmoothClass * 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 (&gst_smooth_sink_template));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_smooth_src_template));
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gst_element_class_set_details (element_class, &smooth_details);
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}
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static void
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gst_smooth_class_init (GstSmoothClass * 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_TOLERANCE, g_param_spec_int ("tolerance", "tolerance", "tolerance", G_MININT, G_MAXINT, 0, 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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gobject_class->set_property = gst_smooth_set_property;
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gobject_class->get_property = gst_smooth_get_property;
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}
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static GstPadLinkReturn
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gst_smooth_link (GstPad * pad, const GstCaps * caps)
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{
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GstSmooth *filter;
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GstStructure *structure;
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gboolean ret;
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filter = GST_SMOOTH (gst_pad_get_parent (pad));
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structure = gst_caps_get_structure (caps, 0);
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ret = gst_structure_get_int (structure, "width", &filter->width);
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ret &= gst_structure_get_int (structure, "height", &filter->height);
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if (!ret)
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return GST_PAD_LINK_REFUSED;
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return gst_pad_try_set_caps (filter->srcpad, caps);
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}
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static void
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gst_smooth_init (GstSmooth * smooth)
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{
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smooth->sinkpad =
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gst_pad_new_from_static_template (&gst_smooth_sink_template, "sink");
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gst_pad_set_link_function (smooth->sinkpad, gst_smooth_link);
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gst_pad_set_chain_function (smooth->sinkpad, gst_smooth_chain);
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gst_element_add_pad (GST_ELEMENT (smooth), smooth->sinkpad);
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smooth->srcpad =
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gst_pad_new_from_static_template (&gst_smooth_sink_template, "src");
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gst_pad_set_link_function (smooth->srcpad, gst_smooth_link);
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gst_element_add_pad (GST_ELEMENT (smooth), smooth->srcpad);
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smooth->active = TRUE;
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smooth->tolerance = 8;
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smooth->filtersize = 3;
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smooth->lum_only = TRUE;
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}
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static void
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smooth_filter (unsigned char *dest, unsigned char *src, int width, int height,
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int tolerance, int filtersize)
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{
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int refval, aktval, upperval, lowerval, numvalues, sum;
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int x, y, fx, fy, fy1, fy2, fx1, fx2;
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unsigned char *srcp = src;
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fy1 = 0;
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fy2 = MIN (filtersize + 1, height) * width;
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for (y = 0; y < height; y++) {
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if (y > (filtersize + 1))
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fy1 += width;
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if (y < height - (filtersize + 1))
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fy2 += width;
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for (x = 0; x < width; x++) {
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refval = *src;
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upperval = refval + tolerance;
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lowerval = refval - tolerance;
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numvalues = 1;
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sum = refval;
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fx1 = MAX (x - filtersize, 0) + fy1;
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fx2 = MIN (x + filtersize + 1, width) + fy1;
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for (fy = fy1; fy < fy2; fy += width) {
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for (fx = fx1; fx < fx2; fx++) {
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aktval = srcp[fx];
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if ((lowerval - aktval) * (upperval - aktval) < 0) {
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numvalues++;
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sum += aktval;
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}
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} /*for fx */
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fx1 += width;
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fx2 += width;
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} /*for fy */
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src++;
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*dest++ = sum / numvalues;
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}
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}
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}
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static void
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gst_smooth_chain (GstPad * pad, GstData * _data)
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{
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GstBuffer *buf = GST_BUFFER (_data);
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GstSmooth *smooth;
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guchar *data;
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gulong size;
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GstBuffer *outbuf;
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gint 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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smooth = GST_SMOOTH (GST_OBJECT_PARENT (pad));
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if (!smooth->active) {
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gst_pad_push (smooth->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 ("smooth: 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 = smooth->width * smooth->height;
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chromsize = lumsize / 4;
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smooth_filter (GST_BUFFER_DATA (outbuf), data, smooth->width, smooth->height,
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smooth->tolerance, smooth->filtersize);
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if (!smooth->lum_only) {
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smooth_filter (GST_BUFFER_DATA (outbuf) + lumsize, data + lumsize,
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smooth->width / 2, smooth->height / 2, smooth->tolerance,
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smooth->filtersize / 2);
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smooth_filter (GST_BUFFER_DATA (outbuf) + lumsize + chromsize,
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data + lumsize + chromsize, smooth->width / 2, smooth->height / 2,
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smooth->tolerance, smooth->filtersize / 2);
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} else {
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memcpy (GST_BUFFER_DATA (outbuf) + lumsize, data + lumsize, chromsize * 2);
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}
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GST_BUFFER_TIMESTAMP (outbuf) = GST_BUFFER_TIMESTAMP (buf);
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gst_buffer_unref (buf);
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gst_pad_push (smooth->srcpad, GST_DATA (outbuf));
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}
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static void
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gst_smooth_set_property (GObject * object, guint prop_id, const GValue * value,
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GParamSpec * pspec)
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{
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GstSmooth *smooth;
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g_return_if_fail (GST_IS_SMOOTH (object));
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smooth = GST_SMOOTH (object);
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switch (prop_id) {
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case ARG_ACTIVE:
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smooth->active = g_value_get_boolean (value);
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break;
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case ARG_TOLERANCE:
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smooth->tolerance = g_value_get_int (value);
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break;
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case ARG_FILTERSIZE:
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smooth->filtersize = g_value_get_int (value);
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break;
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case ARG_LUM_ONLY:
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smooth->lum_only = g_value_get_boolean (value);
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break;
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default:
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break;
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}
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}
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static void
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gst_smooth_get_property (GObject * object, guint prop_id, GValue * value,
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GParamSpec * pspec)
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{
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GstSmooth *smooth;
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g_return_if_fail (GST_IS_SMOOTH (object));
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smooth = GST_SMOOTH (object);
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switch (prop_id) {
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case ARG_ACTIVE:
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g_value_set_boolean (value, smooth->active);
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break;
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case ARG_TOLERANCE:
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g_value_set_int (value, smooth->tolerance);
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break;
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case ARG_FILTERSIZE:
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g_value_set_int (value, smooth->filtersize);
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break;
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case ARG_LUM_ONLY:
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g_value_set_boolean (value, smooth->lum_only);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static gboolean
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plugin_init (GstPlugin * plugin)
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{
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return gst_element_register (plugin, "smooth",
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GST_RANK_NONE, GST_TYPE_SMOOTH);
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}
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GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
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GST_VERSION_MINOR,
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"smooth",
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"Apply a smooth filter to an image",
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plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
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