2011-01-14 03:49:22 +00:00
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/*
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* Copyright (C) 2005 Michael Niedermayer <michaelni@gmx.at>
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*
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* This file is part of MPlayer.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <inttypes.h>
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#include <math.h>
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#include "config.h"
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#include "mp_msg.h"
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#include "cpudetect.h"
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#if HAVE_MALLOC_H
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#include <malloc.h>
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#endif
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#include "img_format.h"
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#include "mp_image.h"
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#include "vf.h"
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#include "libvo/fastmemcpy.h"
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#define XMIN(a,b) ((a) < (b) ? (a) : (b))
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#define XMAX(a,b) ((a) > (b) ? (a) : (b))
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typedef short DCTELEM;
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//===========================================================================//
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static const uint8_t __attribute__((aligned(8))) dither[8][8]={
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{ 0, 48, 12, 60, 3, 51, 15, 63, },
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{ 32, 16, 44, 28, 35, 19, 47, 31, },
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{ 8, 56, 4, 52, 11, 59, 7, 55, },
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{ 40, 24, 36, 20, 43, 27, 39, 23, },
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{ 2, 50, 14, 62, 1, 49, 13, 61, },
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{ 34, 18, 46, 30, 33, 17, 45, 29, },
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{ 10, 58, 6, 54, 9, 57, 5, 53, },
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{ 42, 26, 38, 22, 41, 25, 37, 21, },
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};
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struct vf_priv_s {
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int qp;
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int mode;
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int mpeg2;
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int temp_stride;
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uint8_t *src;
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};
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#if 0
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static inline void dct7_c(DCTELEM *dst, int s0, int s1, int s2, int s3, int step){
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int s, d;
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int dst2[64];
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//#define S0 (1024/0.37796447300922719759)
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#define C0 ((int)(1024*0.37796447300922719759+0.5)) //sqrt(1/7)
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#define C1 ((int)(1024*0.53452248382484879308/6+0.5)) //sqrt(2/7)/6
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#define C2 ((int)(1024*0.45221175985034745004/2+0.5))
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#define C3 ((int)(1024*0.36264567479870879474/2+0.5))
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//0.1962505182412941918 0.0149276808419397944-0.2111781990832339584
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#define C4 ((int)(1024*0.1962505182412941918+0.5))
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#define C5 ((int)(1024*0.0149276808419397944+0.5))
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//#define C6 ((int)(1024*0.2111781990832339584+0.5))
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#if 0
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s= s0 + s1 + s2;
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dst[0*step] = ((s + s3)*C0 + 512) >> 10;
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s= (s - 6*s3)*C1 + 512;
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d= (s0-s2)*C4 + (s1-s2)*C5;
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dst[1*step] = (s + 2*d)>>10;
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s -= d;
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d= (s1-s0)*C2 + (s1-s2)*C3;
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dst[2*step] = (s + d)>>10;
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dst[3*step] = (s - d)>>10;
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#elif 1
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s = s3+s3;
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s3= s-s0;
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s0= s+s0;
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s = s2+s1;
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s2= s2-s1;
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dst[0*step]= s0 + s;
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dst[2*step]= s0 - s;
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dst[1*step]= 2*s3 + s2;
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dst[3*step]= s3 - 2*s2;
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#else
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int i,j,n=7;
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for(i=0; i<7; i+=2){
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dst2[i*step/2]= 0;
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for(j=0; j<4; j++)
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dst2[i*step/2] += src[j*step] * cos(i*M_PI/n*(j+0.5)) * sqrt((i?2.0:1.0)/n);
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if(fabs(dst2[i*step/2] - dst[i*step/2]) > 20)
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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]);
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}
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#endif
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}
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#endif
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static inline void dctA_c(DCTELEM *dst, uint8_t *src, int stride){
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int i;
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for(i=0; i<4; i++){
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int s0= src[0*stride] + src[6*stride];
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int s1= src[1*stride] + src[5*stride];
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int s2= src[2*stride] + src[4*stride];
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int s3= src[3*stride];
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int s= s3+s3;
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s3= s-s0;
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s0= s+s0;
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s = s2+s1;
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s2= s2-s1;
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dst[0]= s0 + s;
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dst[2]= s0 - s;
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dst[1]= 2*s3 + s2;
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dst[3]= s3 - 2*s2;
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src++;
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dst+=4;
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}
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}
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static void dctB_c(DCTELEM *dst, DCTELEM *src){
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int i;
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for(i=0; i<4; i++){
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int s0= src[0*4] + src[6*4];
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int s1= src[1*4] + src[5*4];
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int s2= src[2*4] + src[4*4];
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int s3= src[3*4];
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int s= s3+s3;
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s3= s-s0;
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s0= s+s0;
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s = s2+s1;
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s2= s2-s1;
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dst[0*4]= s0 + s;
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dst[2*4]= s0 - s;
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dst[1*4]= 2*s3 + s2;
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dst[3*4]= s3 - 2*s2;
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src++;
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dst++;
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}
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}
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#if HAVE_MMX
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static void dctB_mmx(DCTELEM *dst, DCTELEM *src){
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__asm__ volatile (
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"movq (%0), %%mm0 \n\t"
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"movq 1*4*2(%0), %%mm1 \n\t"
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"paddw 6*4*2(%0), %%mm0 \n\t"
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"paddw 5*4*2(%0), %%mm1 \n\t"
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"movq 2*4*2(%0), %%mm2 \n\t"
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"movq 3*4*2(%0), %%mm3 \n\t"
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"paddw 4*4*2(%0), %%mm2 \n\t"
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"paddw %%mm3, %%mm3 \n\t" //s
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"movq %%mm3, %%mm4 \n\t" //s
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"psubw %%mm0, %%mm3 \n\t" //s-s0
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"paddw %%mm0, %%mm4 \n\t" //s+s0
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"movq %%mm2, %%mm0 \n\t" //s2
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"psubw %%mm1, %%mm2 \n\t" //s2-s1
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"paddw %%mm1, %%mm0 \n\t" //s2+s1
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"movq %%mm4, %%mm1 \n\t" //s0'
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"psubw %%mm0, %%mm4 \n\t" //s0'-s'
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"paddw %%mm0, %%mm1 \n\t" //s0'+s'
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"movq %%mm3, %%mm0 \n\t" //s3'
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"psubw %%mm2, %%mm3 \n\t"
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"psubw %%mm2, %%mm3 \n\t"
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"paddw %%mm0, %%mm2 \n\t"
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"paddw %%mm0, %%mm2 \n\t"
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"movq %%mm1, (%1) \n\t"
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"movq %%mm4, 2*4*2(%1) \n\t"
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"movq %%mm2, 1*4*2(%1) \n\t"
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"movq %%mm3, 3*4*2(%1) \n\t"
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:: "r" (src), "r"(dst)
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);
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}
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#endif
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static void (*dctB)(DCTELEM *dst, DCTELEM *src)= dctB_c;
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#define N0 4
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#define N1 5
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#define N2 10
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#define SN0 2
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#define SN1 2.2360679775
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#define SN2 3.16227766017
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#define N (1<<16)
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static const int factor[16]={
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N/(N0*N0), N/(N0*N1), N/(N0*N0),N/(N0*N2),
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N/(N1*N0), N/(N1*N1), N/(N1*N0),N/(N1*N2),
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N/(N0*N0), N/(N0*N1), N/(N0*N0),N/(N0*N2),
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N/(N2*N0), N/(N2*N1), N/(N2*N0),N/(N2*N2),
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};
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static const int thres[16]={
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N/(SN0*SN0), N/(SN0*SN2), N/(SN0*SN0),N/(SN0*SN2),
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N/(SN2*SN0), N/(SN2*SN2), N/(SN2*SN0),N/(SN2*SN2),
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N/(SN0*SN0), N/(SN0*SN2), N/(SN0*SN0),N/(SN0*SN2),
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N/(SN2*SN0), N/(SN2*SN2), N/(SN2*SN0),N/(SN2*SN2),
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};
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static int thres2[99][16];
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static void init_thres2(void){
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int qp, i;
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int bias= 0; //FIXME
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for(qp=0; qp<99; qp++){
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for(i=0; i<16; i++){
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thres2[qp][i]= ((i&1)?SN2:SN0) * ((i&4)?SN2:SN0) * XMAX(1,qp) * (1<<2) - 1 - bias;
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}
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}
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}
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static int hardthresh_c(DCTELEM *src, int qp){
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int i;
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int a;
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a= src[0] * factor[0];
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for(i=1; i<16; i++){
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unsigned int threshold1= thres2[qp][i];
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unsigned int threshold2= (threshold1<<1);
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int level= src[i];
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if(((unsigned)(level+threshold1))>threshold2){
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a += level * factor[i];
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}
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}
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return (a + (1<<11))>>12;
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}
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static int mediumthresh_c(DCTELEM *src, int qp){
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int i;
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int a;
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a= src[0] * factor[0];
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for(i=1; i<16; i++){
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unsigned int threshold1= thres2[qp][i];
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unsigned int threshold2= (threshold1<<1);
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int level= src[i];
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if(((unsigned)(level+threshold1))>threshold2){
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if(((unsigned)(level+2*threshold1))>2*threshold2){
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a += level * factor[i];
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}else{
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if(level>0) a+= 2*(level - (int)threshold1)*factor[i];
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else a+= 2*(level + (int)threshold1)*factor[i];
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}
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}
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}
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return (a + (1<<11))>>12;
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}
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static int softthresh_c(DCTELEM *src, int qp){
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int i;
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int a;
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a= src[0] * factor[0];
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for(i=1; i<16; i++){
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unsigned int threshold1= thres2[qp][i];
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unsigned int threshold2= (threshold1<<1);
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int level= src[i];
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if(((unsigned)(level+threshold1))>threshold2){
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if(level>0) a+= (level - (int)threshold1)*factor[i];
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else a+= (level + (int)threshold1)*factor[i];
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}
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}
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return (a + (1<<11))>>12;
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}
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static int (*requantize)(DCTELEM *src, int qp)= hardthresh_c;
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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){
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int x, y;
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const int stride= is_luma ? p->temp_stride : ((width+16+15)&(~15));
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uint8_t *p_src= p->src + 8*stride;
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DCTELEM *block= p->src;
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DCTELEM *temp= p->src + 32;
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if (!src || !dst) return; // HACK avoid crash for Y8 colourspace
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for(y=0; y<height; y++){
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int index= 8 + 8*stride + y*stride;
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fast_memcpy(p_src + index, src + y*src_stride, width);
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for(x=0; x<8; x++){
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p_src[index - x - 1]= p_src[index + x ];
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p_src[index + width + x ]= p_src[index + width - x - 1];
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}
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}
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for(y=0; y<8; y++){
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fast_memcpy(p_src + ( 7-y)*stride, p_src + ( y+8)*stride, stride);
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fast_memcpy(p_src + (height+8+y)*stride, p_src + (height-y+7)*stride, stride);
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}
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//FIXME (try edge emu)
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for(y=0; y<height; y++){
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for(x=-8; x<0; x+=4){
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const int index= x + y*stride + (8-3)*(1+stride) + 8; //FIXME silly offset
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uint8_t *src = p_src + index;
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DCTELEM *tp= temp+4*x;
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dctA_c(tp+4*8, src, stride);
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}
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for(x=0; x<width; ){
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const int qps= 3 + is_luma;
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int qp;
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int end= XMIN(x+8, width);
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if(p->qp)
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qp= p->qp;
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else{
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qp= qp_store[ (XMIN(x, width-1)>>qps) + (XMIN(y, height-1)>>qps) * qp_stride];
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qp=norm_qscale(qp, p->mpeg2);
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|
|
}
|
|
|
|
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 *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);
|
2011-01-28 20:54:16 +00:00
|
|
|
vf->priv->src = av_malloc(vf->priv->temp_stride*(h+8)*sizeof(uint8_t));
|
2011-01-14 03:49:22 +00:00
|
|
|
|
|
|
|
return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void get_image(struct vf_instance *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 | MP_IMGFLAG_READABLE, mpi->width, mpi->height);
|
|
|
|
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 *vf, mp_image_t *mpi, double pts){
|
|
|
|
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->width,mpi->height);
|
|
|
|
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]);
|
|
|
|
}
|
|
|
|
|
|
|
|
#if HAVE_MMX
|
|
|
|
if(gCpuCaps.hasMMX) __asm__ volatile ("emms\n\t");
|
|
|
|
#endif
|
|
|
|
#if HAVE_MMX2
|
|
|
|
if(gCpuCaps.hasMMX2) __asm__ volatile ("sfence\n\t");
|
|
|
|
#endif
|
|
|
|
|
|
|
|
return vf_next_put_image(vf,dmpi, pts);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void uninit(struct vf_instance *vf){
|
|
|
|
if(!vf->priv) return;
|
|
|
|
|
2011-01-28 20:54:16 +00:00
|
|
|
av_free(vf->priv->src);
|
2011-01-14 03:49:22 +00:00
|
|
|
vf->priv->src= NULL;
|
|
|
|
|
|
|
|
free(vf->priv);
|
|
|
|
vf->priv=NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
//===========================================================================//
|
|
|
|
static int query_format(struct vf_instance *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 *vf, int request, void* data){
|
|
|
|
return vf_next_control(vf,request,data);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int vf_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;
|
|
|
|
}
|
|
|
|
|
|
|
|
#if 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;
|
|
|
|
}
|
|
|
|
|
|
|
|
const vf_info_t vf_info_pp7 = {
|
|
|
|
"postprocess 7",
|
|
|
|
"pp7",
|
|
|
|
"Michael Niedermayer",
|
|
|
|
"",
|
|
|
|
vf_open,
|
|
|
|
NULL
|
|
|
|
};
|