smartblur

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@8107 b3059339-0415-0410-9bf9-f77b7e298cf2

3 files changed, 265 insertions, 1 deletions

diff --git a/libmpcodecs/Makefile b/libmpcodecs/Makefile
index 14a09477c4..26478252a7 100644
--- a/libmpcodecs/Makefile
+++ b/libmpcodecs/Makefile
@@ -14,7 +14,7 @@ VIDEO_SRCS_NAT=vd_null.c vd_cinepak.c vd_qtrpza.c vd_raw.c vd_msvidc.c vd_fli.c
 VIDEO_SRCS_OPT=vd_realvid.c vd_ffmpeg.c vd_dshow.c vd_vfw.c vd_vfwex.c vd_odivx.c vd_divx4.c vd_xanim.c vd_xvid.c vd_libdv.c
 VIDEO_SRCS=dec_video.c vd.c $(VIDEO_SRCS_NAT) $(VIDEO_SRCS_LIB) $(VIDEO_SRCS_OPT)
 
-VFILTER_SRCS=vf.c vf_vo.c vf_crop.c vf_expand.c vf_pp.c vf_scale.c vf_format.c vf_yuy2.c vf_flip.c vf_rgb2bgr.c vf_rotate.c vf_mirror.c vf_palette.c vf_lavc.c vf_dvbscale.c vf_cropdetect.c vf_test.c vf_noise.c vf_yvu9.c vf_rectangle.c vf_lavcdeint.c vf_eq.c vf_eq2.c vf_halfpack.c vf_dint.c vf_1bpp.c vf_bmovl.c vf_2xsai.c vf_unsharp.c vf_swapuv.c vf_il.c vf_boxblur.c vf_sab.c
+VFILTER_SRCS=vf.c vf_vo.c vf_crop.c vf_expand.c vf_pp.c vf_scale.c vf_format.c vf_yuy2.c vf_flip.c vf_rgb2bgr.c vf_rotate.c vf_mirror.c vf_palette.c vf_lavc.c vf_dvbscale.c vf_cropdetect.c vf_test.c vf_noise.c vf_yvu9.c vf_rectangle.c vf_lavcdeint.c vf_eq.c vf_eq2.c vf_halfpack.c vf_dint.c vf_1bpp.c vf_bmovl.c vf_2xsai.c vf_unsharp.c vf_swapuv.c vf_il.c vf_boxblur.c vf_sab.c vf_smartblur.c
 ENCODER_SRCS=ve.c ve_divx4.c ve_lavc.c ve_vfw.c ve_rawrgb.c ve_libdv.c ve_xvid.c
 
 NATIVE_SRCS=native/RTjpegN.c native/cinepak.c native/cyuv.c native/fli.c native/minilzo.c native/msvidc.c native/nuppelvideo.c native/qtrle.c native/qtrpza.c native/qtsmc.c native/roqav.c native/xa_gsm.c native/svq1.c
diff --git a/libmpcodecs/vf.c b/libmpcodecs/vf.c
index b3ec580661..de28754dcc 100644
--- a/libmpcodecs/vf.c
+++ b/libmpcodecs/vf.c
@@ -50,6 +50,7 @@ extern vf_info_t vf_info_swapuv;
 extern vf_info_t vf_info_il;
 extern vf_info_t vf_info_boxblur;
 extern vf_info_t vf_info_sab;
+extern vf_info_t vf_info_smartblur;
 
 char** vo_plugin_args=(char**) NULL;
 
@@ -93,6 +94,7 @@ static vf_info_t* filter_list[]={
     &vf_info_il,
     &vf_info_boxblur,
     &vf_info_sab,
+    &vf_info_smartblur,
     NULL
 };
 
diff --git a/libmpcodecs/vf_smartblur.c b/libmpcodecs/vf_smartblur.c
new file mode 100644
index 0000000000..ffca24e96e
--- /dev/null
+++ b/libmpcodecs/vf_smartblur.c
@@ -0,0 +1,262 @@
+/*
+    Copyright (C) 2002 Michael Niedermayer <michaelni@gmx.at>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program 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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <inttypes.h>
+#include <assert.h>
+
+#include "../config.h"
+#include "../mp_msg.h"
+
+#ifdef HAVE_MALLOC_H
+#include <malloc.h>
+#endif
+
+#include "img_format.h"
+#include "mp_image.h"
+#include "vf.h"
+#include "../libvo/fastmemcpy.h"
+#include "../postproc/swscale.h"
+
+//===========================================================================//
+
+typedef struct FilterParam{
+	float radius;
+	float strength;
+	int threshold;
+	float quality;
+	SwsContext *filterContext;
+}FilterParam;
+
+struct vf_priv_s {
+	FilterParam luma;
+	FilterParam chroma;
+};
+
+
+/***************************************************************************/
+
+//FIXME stupid code duplication
+static void getSubSampleFactors(int *h, int *v, int format){
+	switch(format){
+	case IMGFMT_YV12:
+	case IMGFMT_I420:
+		*h=1;
+		*v=1;
+		break;
+	case IMGFMT_YVU9:
+		*h=2;
+		*v=2;
+		break;
+	case IMGFMT_444P:
+		*h=0;
+		*v=0;
+		break;
+	case IMGFMT_422P:
+		*h=1;
+		*v=0;
+		break;
+	case IMGFMT_411P:
+		*h=2;
+		*v=0;
+		break;
+	}
+}
+
+static int allocStuff(FilterParam *f, int width, int height){
+	SwsVector *vec;
+	SwsFilter swsF;
+
+	vec = getGaussianVec(f->radius, f->quality);
+	scaleVec(vec, f->strength);
+	vec->coeff[vec->length/2]+= 1.0 - f->strength;
+	swsF.lumH= swsF.lumV= vec;
+	swsF.chrH= swsF.chrV= NULL;
+	f->filterContext= getSwsContext(
+		width, height, IMGFMT_Y8, width, height, IMGFMT_Y8, 0, &swsF, NULL);
+
+	freeVec(vec);
+
+	return 0;
+}
+
+static int config(struct vf_instance_s* vf,
+        int width, int height, int d_width, int d_height,
+	unsigned int flags, unsigned int outfmt){
+	
+	int sw, sh;
+
+	allocStuff(&vf->priv->luma, width, height);
+	
+	getSubSampleFactors(&sw, &sh, outfmt);
+	allocStuff(&vf->priv->chroma, width>>sw, height>>sh);
+
+	return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt);
+}
+
+static void freeBuffers(FilterParam *f){
+	if(f->filterContext) freeSwsContext(f->filterContext);
+	f->filterContext=NULL;
+}
+
+static void uninit(struct vf_instance_s* vf){
+	if(!vf->priv) return;
+
+	freeBuffers(&vf->priv->luma);
+	freeBuffers(&vf->priv->chroma);
+
+	free(vf->priv);
+	vf->priv=NULL;
+}
+
+static inline void blur(uint8_t *dst, uint8_t *src, int w, int h, int dstStride, int srcStride, FilterParam *fp){
+	int x, y;
+	FilterParam f= *fp;
+	uint8_t *srcArray[3]= {src, NULL, NULL};
+	uint8_t *dstArray[3]= {dst, NULL, NULL};
+	int srcStrideArray[3]= {srcStride, 0, 0};
+	int dstStrideArray[3]= {dstStride, 0, 0};
+
+	f.filterContext->swScale(f.filterContext, srcArray, srcStrideArray, 0, h, dstArray, dstStrideArray);
+	
+	if(f.threshold > 0){
+		for(y=0; y<h; y++){
+			for(x=0; x<w; x++){
+				const int orig= src[x + y*srcStride];
+				const int filtered= dst[x + y*dstStride];
+				const int diff= orig - filtered;
+				
+				if(diff > 0){
+					if(diff > 2*f.threshold){
+						dst[x + y*dstStride]= orig;
+					}else if(diff > f.threshold){
+						dst[x + y*dstStride]= filtered + diff - f.threshold;
+					}
+				}else{
+					if(-diff > 2*f.threshold){
+						dst[x + y*dstStride]= orig;
+					}else if(-diff > f.threshold){
+						dst[x + y*dstStride]= filtered + diff + f.threshold;
+					}
+				}
+			}
+		}
+	}else if(f.threshold < 0){
+		for(y=0; y<h; y++){
+			for(x=0; x<w; x++){
+				const int orig= src[x + y*srcStride];
+				const int filtered= dst[x + y*dstStride];
+				const int diff= orig - filtered;
+				
+				if(diff > 0){
+					if(diff > -2*f.threshold){
+					}else if(diff > -f.threshold){
+						dst[x + y*dstStride]= orig - diff - f.threshold;
+					}else
+						dst[x + y*dstStride]= orig;
+				}else{
+					if(diff < 2*f.threshold){
+					}else if(diff < f.threshold){
+						dst[x + y*dstStride]= orig - diff + f.threshold;
+					}else
+						dst[x + y*dstStride]= orig;
+				}
+			}
+		}
+	}
+}
+
+static int put_image(struct vf_instance_s* vf, mp_image_t *mpi){
+	int cw= mpi->w >> mpi->chroma_x_shift;
+	int ch= mpi->h >> mpi->chroma_y_shift;
+
+	mp_image_t *dmpi=vf_get_image(vf->next,mpi->imgfmt,
+		MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
+		mpi->w,mpi->h);
+
+	assert(mpi->flags&MP_IMGFLAG_PLANAR);
+	
+	blur(dmpi->planes[0], mpi->planes[0], mpi->w,mpi->h, dmpi->stride[0], mpi->stride[0], &vf->priv->luma);
+	blur(dmpi->planes[1], mpi->planes[1], cw    , ch   , dmpi->stride[1], mpi->stride[1], &vf->priv->chroma);
+	blur(dmpi->planes[2], mpi->planes[2], cw    , ch   , dmpi->stride[2], mpi->stride[2], &vf->priv->chroma);
+    
+	return vf_next_put_image(vf,dmpi);
+}
+
+//===========================================================================//
+
+static int query_format(struct vf_instance_s* vf, unsigned int fmt){
+	switch(fmt)
+	{
+	case IMGFMT_YV12:
+	case IMGFMT_I420:
+	case IMGFMT_IYUV:
+	case IMGFMT_YVU9:
+	case IMGFMT_444P:
+	case IMGFMT_422P:
+	case IMGFMT_411P:
+		return vf_next_query_format(vf, fmt);
+	}
+	return 0;
+}
+
+static int open(vf_instance_t *vf, char* args){
+	int e;
+
+	vf->config=config;
+	vf->put_image=put_image;
+//	vf->get_image=get_image;
+	vf->query_format=query_format;
+	vf->uninit=uninit;
+	vf->priv=malloc(sizeof(struct vf_priv_s));
+	memset(vf->priv, 0, sizeof(struct vf_priv_s));
+
+	if(args==NULL) return 0;
+	
+	e=sscanf(args, "%f:%f:%d:%f:%f:%d",
+		&vf->priv->luma.radius,
+		&vf->priv->luma.strength,
+		&vf->priv->luma.threshold,
+		&vf->priv->chroma.radius,
+		&vf->priv->chroma.strength,
+		&vf->priv->chroma.threshold
+		);
+
+	vf->priv->luma.quality = vf->priv->chroma.quality= 3.0;
+	
+	if(e==3){
+		vf->priv->chroma.radius= vf->priv->luma.radius;
+		vf->priv->chroma.strength= vf->priv->luma.strength;
+		vf->priv->chroma.threshold = vf->priv->luma.threshold;
+	}else if(e!=6)
+		return 0;
+
+	return 1;
+}
+
+vf_info_t vf_info_smartblur = {
+    "smart blur",
+    "smartblur",
+    "Michael Niedermayer",
+    "",
+    open
+};
+
+//===========================================================================//