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-rw-r--r--libmpcodecs/Makefile1
-rw-r--r--libmpcodecs/vf.c2
-rw-r--r--libmpcodecs/vf_pp7.c486
3 files changed, 489 insertions, 0 deletions
diff --git a/libmpcodecs/Makefile b/libmpcodecs/Makefile
index e29edaaca7..52cfbc1e80 100644
--- a/libmpcodecs/Makefile
+++ b/libmpcodecs/Makefile
@@ -103,6 +103,7 @@ VFILTER_SRCS=vf.c \
vf_palette.c \
vf_perspective.c \
vf_phase.c \
+ vf_pp7.c \
vf_pullup.c \
vf_qp.c \
vf_rectangle.c \
diff --git a/libmpcodecs/vf.c b/libmpcodecs/vf.c
index 3bb9ee187e..9623efc6c8 100644
--- a/libmpcodecs/vf.c
+++ b/libmpcodecs/vf.c
@@ -89,6 +89,7 @@ extern vf_info_t vf_info_remove_logo;
extern vf_info_t vf_info_hue;
extern vf_info_t vf_info_spp;
extern vf_info_t vf_info_fspp;
+extern vf_info_t vf_info_pp7;
extern vf_info_t vf_info_yuvcsp;
extern vf_info_t vf_info_kerndeint;
extern vf_info_t vf_info_rgbtest;
@@ -172,6 +173,7 @@ static vf_info_t* filter_list[]={
#ifdef USE_LIBAVCODEC
&vf_info_spp,
&vf_info_fspp,
+ &vf_info_pp7,
#endif
&vf_info_yuvcsp,
&vf_info_kerndeint,
diff --git a/libmpcodecs/vf_pp7.c b/libmpcodecs/vf_pp7.c
new file mode 100644
index 0000000000..c7db2ddb65
--- /dev/null
+++ b/libmpcodecs/vf_pp7.c
@@ -0,0 +1,486 @@
+/*
+ Copyright (C) 2005 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 <math.h>
+
+#include "../config.h"
+
+#include "../mp_msg.h"
+#include "../cpudetect.h"
+
+#ifdef HAVE_MALLOC_H
+#include <malloc.h>
+#endif
+
+#include "img_format.h"
+#include "mp_image.h"
+#include "vf.h"
+#include "../libvo/fastmemcpy.h"
+
+#define XMIN(a,b) ((a) < (b) ? (a) : (b))
+
+typedef short DCTELEM;
+
+//===========================================================================//
+static const uint8_t __attribute__((aligned(8))) dither[8][8]={
+{ 0, 48, 12, 60, 3, 51, 15, 63, },
+{ 32, 16, 44, 28, 35, 19, 47, 31, },
+{ 8, 56, 4, 52, 11, 59, 7, 55, },
+{ 40, 24, 36, 20, 43, 27, 39, 23, },
+{ 2, 50, 14, 62, 1, 49, 13, 61, },
+{ 34, 18, 46, 30, 33, 17, 45, 29, },
+{ 10, 58, 6, 54, 9, 57, 5, 53, },
+{ 42, 26, 38, 22, 41, 25, 37, 21, },
+};
+
+struct vf_priv_s {
+ int qp;
+ int mode;
+ int mpeg2;
+ int temp_stride;
+ uint8_t *src;
+};
+#if 0
+static inline void dct7_c(DCTELEM *dst, int s0, int s1, int s2, int s3, int step){
+ int s, d;
+ int dst2[64];
+//#define S0 (1024/0.37796447300922719759)
+#define C0 ((int)(1024*0.37796447300922719759+0.5)) //sqrt(1/7)
+#define C1 ((int)(1024*0.53452248382484879308/6+0.5)) //sqrt(2/7)/6
+
+#define C2 ((int)(1024*0.45221175985034745004/2+0.5))
+#define C3 ((int)(1024*0.36264567479870879474/2+0.5))
+
+//0.1962505182412941918 0.0149276808419397944-0.2111781990832339584
+#define C4 ((int)(1024*0.1962505182412941918+0.5))
+#define C5 ((int)(1024*0.0149276808419397944+0.5))
+//#define C6 ((int)(1024*0.2111781990832339584+0.5))
+#if 0
+ s= s0 + s1 + s2;
+ dst[0*step] = ((s + s3)*C0 + 512) >> 10;
+ s= (s - 6*s3)*C1 + 512;
+ d= (s0-s2)*C4 + (s1-s2)*C5;
+ dst[1*step] = (s + 2*d)>>10;
+ s -= d;
+ d= (s1-s0)*C2 + (s1-s2)*C3;
+ dst[2*step] = (s + d)>>10;
+ dst[3*step] = (s - d)>>10;
+#elif 1
+ s = s3+s3;
+ s3= s-s0;
+ s0= s+s0;
+ s = s2+s1;
+ s2= s2-s1;
+ dst[0*step]= s0 + s;
+ dst[2*step]= s0 - s;
+ dst[1*step]= 2*s3 + s2;
+ dst[3*step]= s3 - 2*s2;
+#else
+ int i,j,n=7;
+ for(i=0; i<7; i+=2){
+ dst2[i*step/2]= 0;
+ for(j=0; j<4; j++)
+ dst2[i*step/2] += src[j*step] * cos(i*M_PI/n*(j+0.5)) * sqrt((i?2.0:1.0)/n);
+ if(fabs(dst2[i*step/2] - dst[i*step/2]) > 20)
+ printf("%d %d %d (%d %d %d %d) -> (%d %d %d %d)\n", i,dst2[i*step/2], dst[i*step/2],src[0*step], src[1*step], src[2*step], src[3*step], dst[0*step], dst[1*step],dst[2*step],dst[3*step]);
+ }
+#endif
+}
+#endif
+
+static inline void dctA_c(DCTELEM *dst, uint8_t *src, int stride){
+ int i;
+
+ for(i=0; i<4; i++){
+ int s0= src[0*stride] + src[6*stride];
+ int s1= src[1*stride] + src[5*stride];
+ int s2= src[2*stride] + src[4*stride];
+ int s3= src[3*stride];
+ int s= s3+s3;
+ s3= s-s0;
+ s0= s+s0;
+ s = s2+s1;
+ s2= s2-s1;
+ dst[0]= s0 + s;
+ dst[2]= s0 - s;
+ dst[1]= 2*s3 + s2;
+ dst[3]= s3 - 2*s2;
+ src++;
+ dst+=4;
+ }
+}
+
+static void dctB_c(DCTELEM *dst, DCTELEM *src){
+ int i;
+
+ for(i=0; i<4; i++){
+ int s0= src[0*4] + src[6*4];
+ int s1= src[1*4] + src[5*4];
+ int s2= src[2*4] + src[4*4];
+ int s3= src[3*4];
+ int s= s3+s3;
+ s3= s-s0;
+ s0= s+s0;
+ s = s2+s1;
+ s2= s2-s1;
+ dst[0*4]= s0 + s;
+ dst[2*4]= s0 - s;
+ dst[1*4]= 2*s3 + s2;
+ dst[3*4]= s3 - 2*s2;
+ src++;
+ dst++;
+ }
+}
+
+static void dctB_mmx(DCTELEM *dst, DCTELEM *src){
+ asm volatile (
+ "movq (%0), %%mm0 \n\t"
+ "movq 1*4*2(%0), %%mm1 \n\t"
+ "paddw 6*4*2(%0), %%mm0 \n\t"
+ "paddw 5*4*2(%0), %%mm1 \n\t"
+ "movq 2*4*2(%0), %%mm2 \n\t"
+ "movq 3*4*2(%0), %%mm3 \n\t"
+ "paddw 4*4*2(%0), %%mm2 \n\t"
+ "paddw %%mm3, %%mm3 \n\t" //s
+ "movq %%mm3, %%mm4 \n\t" //s
+ "psubw %%mm0, %%mm3 \n\t" //s-s0
+ "paddw %%mm0, %%mm4 \n\t" //s+s0
+ "movq %%mm2, %%mm0 \n\t" //s2
+ "psubw %%mm1, %%mm2 \n\t" //s2-s1
+ "paddw %%mm1, %%mm0 \n\t" //s2+s1
+ "movq %%mm4, %%mm1 \n\t" //s0'
+ "psubw %%mm0, %%mm4 \n\t" //s0'-s'
+ "paddw %%mm0, %%mm1 \n\t" //s0'+s'
+ "movq %%mm3, %%mm0 \n\t" //s3'
+ "psubw %%mm2, %%mm3 \n\t"
+ "psubw %%mm2, %%mm3 \n\t"
+ "paddw %%mm0, %%mm2 \n\t"
+ "paddw %%mm0, %%mm2 \n\t"
+ "movq %%mm1, (%1) \n\t"
+ "movq %%mm4, 2*4*2(%1) \n\t"
+ "movq %%mm2, 1*4*2(%1) \n\t"
+ "movq %%mm3, 3*4*2(%1) \n\t"
+ :: "r" (src), "r"(dst)
+ );
+}
+
+static void (*dctB)(DCTELEM *dst, DCTELEM *src)= dctB_c;
+
+#define N0 4
+#define N1 5
+#define N2 10
+#define SN0 2
+#define SN1 2.2360679775
+#define SN2 3.16227766017
+#define N (1<<16)
+
+static const int factor[16]={
+ N/(N0*N0), N/(N0*N1), N/(N0*N0),N/(N0*N2),
+ N/(N1*N0), N/(N1*N1), N/(N1*N0),N/(N1*N2),
+ N/(N0*N0), N/(N0*N1), N/(N0*N0),N/(N0*N2),
+ N/(N2*N0), N/(N2*N1), N/(N2*N0),N/(N2*N2),
+};
+
+static const int thres[16]={
+ N/(SN0*SN0), N/(SN0*SN2), N/(SN0*SN0),N/(SN0*SN2),
+ N/(SN2*SN0), N/(SN2*SN2), N/(SN2*SN0),N/(SN2*SN2),
+ N/(SN0*SN0), N/(SN0*SN2), N/(SN0*SN0),N/(SN0*SN2),
+ N/(SN2*SN0), N/(SN2*SN2), N/(SN2*SN0),N/(SN2*SN2),
+};
+
+static int thres2[99][16];
+
+static void init_thres2(){
+ int qp, i;
+ int bias= 0; //FIXME
+
+ for(qp=0; qp<99; qp++){
+ for(i=0; i<16; i++){
+ thres2[qp][i]= ((i&1)?SN2:SN0) * ((i&4)?SN2:SN0) * qp * (1<<2) - 1 - bias;
+ }
+ }
+}
+
+static int hardthresh_c(DCTELEM *src, int qp){
+ int i;
+ int a;
+
+ a= src[0] * factor[0];
+ for(i=1; i<16; i++){
+ unsigned int threshold1= thres2[qp][i];
+ unsigned int threshold2= (threshold1<<1);
+ int level= src[i];
+ if(((unsigned)(level+threshold1))>threshold2){
+ a += level * factor[i];
+ }
+ }
+ return (a + (1<<11))>>12;
+}
+
+static int mediumthresh_c(DCTELEM *src, int qp){
+ int i;
+ int a;
+
+ a= src[0] * factor[0];
+ for(i=1; i<16; i++){
+ unsigned int threshold1= thres2[qp][i];
+ unsigned int threshold2= (threshold1<<1);
+ int level= src[i];
+ if(((unsigned)(level+threshold1))>threshold2){
+ if(((unsigned)(level+2*threshold1))>2*threshold2){
+ a += level * factor[i];
+ }else{
+ if(level>0) a+= 2*(level - (int)threshold1)*factor[i];
+ else a+= 2*(level + (int)threshold1)*factor[i];
+ }
+ }
+ }
+ return (a + (1<<11))>>12;
+}
+
+static int softthresh_c(DCTELEM *src, int qp){
+ int i;
+ int a;
+
+ a= src[0] * factor[0];
+ for(i=1; i<16; i++){
+ unsigned int threshold1= thres2[qp][i];
+ unsigned int threshold2= (threshold1<<1);
+ int level= src[i];
+ if(((unsigned)(level+threshold1))>threshold2){
+ if(level>0) a+= (level - (int)threshold1)*factor[i];
+ else a+= (level + (int)threshold1)*factor[i];
+ }
+ }
+ return (a + (1<<11))>>12;
+}
+
+static int (*requantize)(DCTELEM *src, int qp)= hardthresh_c;
+
+static void filter(struct vf_priv_s *p, uint8_t *dst, uint8_t *src, int dst_stride, int src_stride, int width, int height, uint8_t *qp_store, int qp_stride, int is_luma){
+ int x, y;
+ const int stride= is_luma ? p->temp_stride : ((width+16+15)&(~15));
+ uint8_t *p_src= p->src + 8*stride;
+ DCTELEM *block= p->src;
+ DCTELEM *temp= p->src + 32;
+
+ if (!src || !dst) return; // HACK avoid crash for Y8 colourspace
+ for(y=0; y<height; y++){
+ int index= 8 + 8*stride + y*stride;
+ memcpy(p_src + index, src + y*src_stride, width);
+ for(x=0; x<8; x++){
+ p_src[index - x - 1]= p_src[index + x ];
+ p_src[index + width + x ]= p_src[index + width - x - 1];
+ }
+ }
+ for(y=0; y<8; y++){
+ memcpy(p_src + ( 7-y)*stride, p_src + ( y+8)*stride, stride);
+ memcpy(p_src + (height+8+y)*stride, p_src + (height-y+7)*stride, stride);
+ }
+ //FIXME (try edge emu)
+
+ for(y=0; y<height; y++){
+ for(x=-8; x<0; x+=4){
+ const int index= x + y*stride + (8-3)*(1+stride) + 8; //FIXME silly offset
+ uint8_t *src = p_src + index;
+ DCTELEM *tp= temp+4*x;
+
+ dctA_c(tp+4*8, src, stride);
+ }
+ for(x=0; x<width; ){
+ const int qps= 3 + is_luma;
+ int qp;
+ int end= XMIN(x+8, width);
+
+ if(p->qp)
+ qp= p->qp;
+ else{
+ qp= qp_store[ (XMIN(x, width-1)>>qps) + (XMIN(y, height-1)>>qps) * qp_stride];
+ if(p->mpeg2) qp>>=1;
+ }
+ for(; x<end; x++){
+ const int index= x + y*stride + (8-3)*(1+stride) + 8; //FIXME silly offset
+ uint8_t *src = p_src + index;
+ DCTELEM *tp= temp+4*x;
+ int v;
+
+ if((x&3)==0)
+ dctA_c(tp+4*8, src, stride);
+
+ dctB(block, tp);
+
+ v= requantize(block, qp);
+ v= (v + dither[y&7][x&7])>>6;
+ if((unsigned)v > 255)
+ v= (-v)>>31;
+ dst[x + y*dst_stride]= v;
+ }
+ }
+ }
+}
+
+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 h= (height+16+15)&(~15);
+
+ vf->priv->temp_stride= (width+16+15)&(~15);
+ vf->priv->src = memalign(8, vf->priv->temp_stride*(h+8)*sizeof(uint8_t));
+
+ return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt);
+}
+
+static void get_image(struct vf_instance_s* vf, mp_image_t *mpi){
+ if(mpi->flags&MP_IMGFLAG_PRESERVE) return; // don't change
+ // ok, we can do pp in-place (or pp disabled):
+ vf->dmpi=vf_get_image(vf->next,mpi->imgfmt,
+ mpi->type, mpi->flags, mpi->w, mpi->h);
+ mpi->planes[0]=vf->dmpi->planes[0];
+ mpi->stride[0]=vf->dmpi->stride[0];
+ mpi->width=vf->dmpi->width;
+ if(mpi->flags&MP_IMGFLAG_PLANAR){
+ mpi->planes[1]=vf->dmpi->planes[1];
+ mpi->planes[2]=vf->dmpi->planes[2];
+ mpi->stride[1]=vf->dmpi->stride[1];
+ mpi->stride[2]=vf->dmpi->stride[2];
+ }
+ mpi->flags|=MP_IMGFLAG_DIRECT;
+}
+
+static int put_image(struct vf_instance_s* vf, mp_image_t *mpi){
+ mp_image_t *dmpi;
+
+ if(mpi->flags&MP_IMGFLAG_DIRECT){
+ dmpi=vf->dmpi;
+ }else{
+ // no DR, so get a new image! hope we'll get DR buffer:
+ dmpi=vf_get_image(vf->next,mpi->imgfmt,
+ MP_IMGTYPE_TEMP,
+ MP_IMGFLAG_ACCEPT_STRIDE|MP_IMGFLAG_PREFER_ALIGNED_STRIDE,
+ mpi->w,mpi->h);
+ vf_clone_mpi_attributes(dmpi, mpi);
+ }
+
+ vf->priv->mpeg2= mpi->qscale_type;
+ if(mpi->qscale || vf->priv->qp){
+ filter(vf->priv, dmpi->planes[0], mpi->planes[0], dmpi->stride[0], mpi->stride[0], mpi->w, mpi->h, mpi->qscale, mpi->qstride, 1);
+ filter(vf->priv, dmpi->planes[1], mpi->planes[1], dmpi->stride[1], mpi->stride[1], mpi->w>>mpi->chroma_x_shift, mpi->h>>mpi->chroma_y_shift, mpi->qscale, mpi->qstride, 0);
+ filter(vf->priv, dmpi->planes[2], mpi->planes[2], dmpi->stride[2], mpi->stride[2], mpi->w>>mpi->chroma_x_shift, mpi->h>>mpi->chroma_y_shift, mpi->qscale, mpi->qstride, 0);
+ }else{
+ memcpy_pic(dmpi->planes[0], mpi->planes[0], mpi->w, mpi->h, dmpi->stride[0], mpi->stride[0]);
+ memcpy_pic(dmpi->planes[1], mpi->planes[1], mpi->w>>mpi->chroma_x_shift, mpi->h>>mpi->chroma_y_shift, dmpi->stride[1], mpi->stride[1]);
+ memcpy_pic(dmpi->planes[2], mpi->planes[2], mpi->w>>mpi->chroma_x_shift, mpi->h>>mpi->chroma_y_shift, dmpi->stride[2], mpi->stride[2]);
+ }
+
+#ifdef HAVE_MMX
+ if(gCpuCaps.hasMMX) asm volatile ("emms\n\t");
+#endif
+#ifdef HAVE_MMX2
+ if(gCpuCaps.hasMMX2) asm volatile ("sfence\n\t");
+#endif
+
+ return vf_next_put_image(vf,dmpi);
+}
+
+static void uninit(struct vf_instance_s* vf){
+ if(!vf->priv) return;
+
+ if(vf->priv->src) free(vf->priv->src);
+ vf->priv->src= NULL;
+
+ free(vf->priv);
+ vf->priv=NULL;
+}
+
+//===========================================================================//
+static int query_format(struct vf_instance_s* vf, unsigned int fmt){
+ switch(fmt){
+ case IMGFMT_YVU9:
+ case IMGFMT_IF09:
+ case IMGFMT_YV12:
+ case IMGFMT_I420:
+ case IMGFMT_IYUV:
+ case IMGFMT_CLPL:
+ case IMGFMT_Y800:
+ case IMGFMT_Y8:
+ case IMGFMT_444P:
+ case IMGFMT_422P:
+ case IMGFMT_411P:
+ return vf_next_query_format(vf,fmt);
+ }
+ return 0;
+}
+
+static int control(struct vf_instance_s* vf, int request, void* data){
+ return vf_next_control(vf,request,data);
+}
+
+static int open(vf_instance_t *vf, char* args){
+ vf->config=config;
+ vf->put_image=put_image;
+ vf->get_image=get_image;
+ vf->query_format=query_format;
+ vf->uninit=uninit;
+ vf->control= control;
+ vf->priv=malloc(sizeof(struct vf_priv_s));
+ memset(vf->priv, 0, sizeof(struct vf_priv_s));
+
+ if (args) sscanf(args, "%d:%d", &vf->priv->qp, &vf->priv->mode);
+
+ if(vf->priv->qp < 0)
+ vf->priv->qp = 0;
+
+ init_thres2();
+
+ switch(vf->priv->mode){
+ case 0: requantize= hardthresh_c; break;
+ case 1: requantize= softthresh_c; break;
+ default:
+ case 2: requantize= mediumthresh_c; break;
+ }
+
+#ifdef HAVE_MMX
+ if(gCpuCaps.hasMMX){
+ dctB= dctB_mmx;
+ }
+#endif
+#if 0
+ if(gCpuCaps.hasMMX){
+ switch(vf->priv->mode){
+ case 0: requantize= hardthresh_mmx; break;
+ case 1: requantize= softthresh_mmx; break;
+ }
+ }
+#endif
+
+ return 1;
+}
+
+vf_info_t vf_info_pp7 = {
+ "postprocess 7",
+ "pp7",
+ "Michael Niedermayer",
+ "",
+ open,
+ NULL
+};
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 03:22:47 +0000