Release synfig_0_61_05
[synfig.git] / synfig-core / tags / synfig_0_61_05 / synfig-core / src / modules / mod_libavcodec / libavcodec / libpostproc / postprocess.c
diff --git a/synfig-core/tags/synfig_0_61_05/synfig-core/src/modules/mod_libavcodec/libavcodec/libpostproc/postprocess.c b/synfig-core/tags/synfig_0_61_05/synfig-core/src/modules/mod_libavcodec/libavcodec/libpostproc/postprocess.c
new file mode 100644 (file)
index 0000000..b7e9fea
--- /dev/null
@@ -0,0 +1,986 @@
+/*
+    Copyright (C) 2001-2003 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
+*/
+
+/**
+ * @file postprocess.c
+ * postprocessing.
+ */
+/*
+                       C       MMX     MMX2    3DNow
+isVertDC               Ec      Ec
+isVertMinMaxOk         Ec      Ec
+doVertLowPass          E               e       e
+doVertDefFilter                Ec      Ec      e       e
+isHorizDC              Ec      Ec
+isHorizMinMaxOk                a       E
+doHorizLowPass         E               e       e
+doHorizDefFilter       Ec      Ec      e       e
+deRing                 E               e       e*
+Vertical RKAlgo1       E               a       a
+Horizontal RKAlgo1                     a       a
+Vertical X1#           a               E       E
+Horizontal X1#         a               E       E
+LinIpolDeinterlace     e               E       E*
+CubicIpolDeinterlace   a               e       e*
+LinBlendDeinterlace    e               E       E*
+MedianDeinterlace#     E       Ec      Ec
+TempDeNoiser#          E               e       e
+
+* i dont have a 3dnow CPU -> its untested, but noone said it doesnt work so it seems to work
+# more or less selfinvented filters so the exactness isnt too meaningfull
+E = Exact implementation
+e = allmost exact implementation (slightly different rounding,...)
+a = alternative / approximate impl
+c = checked against the other implementations (-vo md5)
+*/
+
+/*
+TODO:
+reduce the time wasted on the mem transfer
+unroll stuff if instructions depend too much on the prior one
+move YScale thing to the end instead of fixing QP
+write a faster and higher quality deblocking filter :)
+make the mainloop more flexible (variable number of blocks at once
+       (the if/else stuff per block is slowing things down)
+compare the quality & speed of all filters
+split this huge file
+optimize c versions
+try to unroll inner for(x=0 ... loop to avoid these damn if(x ... checks
+...
+*/
+
+//Changelog: use the CVS log
+
+#include "config.h"
+#include <inttypes.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#ifdef HAVE_MALLOC_H
+#include <malloc.h>
+#endif
+//#undef HAVE_MMX2
+//#define HAVE_3DNOW
+//#undef HAVE_MMX
+//#undef ARCH_X86
+//#define DEBUG_BRIGHTNESS
+#ifdef USE_FASTMEMCPY
+#include "../fastmemcpy.h"
+#endif
+#include "postprocess.h"
+#include "postprocess_internal.h"
+
+#include "mangle.h" //FIXME should be supressed
+
+#ifndef HAVE_MEMALIGN
+#define memalign(a,b) malloc(b)
+#endif
+
+#define MIN(a,b) ((a) > (b) ? (b) : (a))
+#define MAX(a,b) ((a) < (b) ? (b) : (a))
+#define ABS(a) ((a) > 0 ? (a) : (-(a)))
+#define SIGN(a) ((a) > 0 ? 1 : -1)
+
+#define GET_MODE_BUFFER_SIZE 500
+#define OPTIONS_ARRAY_SIZE 10
+#define BLOCK_SIZE 8
+#define TEMP_STRIDE 8
+//#define NUM_BLOCKS_AT_ONCE 16 //not used yet
+
+#ifdef ARCH_X86
+static uint64_t __attribute__((aligned(8))) w05=               0x0005000500050005LL;
+static uint64_t __attribute__((aligned(8))) w20=               0x0020002000200020LL;
+static uint64_t __attribute__((aligned(8))) b00=               0x0000000000000000LL;
+static uint64_t __attribute__((aligned(8))) b01=               0x0101010101010101LL;
+static uint64_t __attribute__((aligned(8))) b02=               0x0202020202020202LL;
+static uint64_t __attribute__((aligned(8))) b08=               0x0808080808080808LL;
+static uint64_t __attribute__((aligned(8))) b80=               0x8080808080808080LL;
+#endif
+
+
+static uint8_t clip_table[3*256];
+static uint8_t * const clip_tab= clip_table + 256;
+
+static int verbose= 0;
+
+static const int deringThreshold= 20;
+
+
+static struct PPFilter filters[]=
+{
+       {"hb", "hdeblock",              1, 1, 3, H_DEBLOCK},
+       {"vb", "vdeblock",              1, 2, 4, V_DEBLOCK},
+/*     {"hr", "rkhdeblock",            1, 1, 3, H_RK1_FILTER},
+       {"vr", "rkvdeblock",            1, 2, 4, V_RK1_FILTER},*/
+       {"h1", "x1hdeblock",            1, 1, 3, H_X1_FILTER},
+       {"v1", "x1vdeblock",            1, 2, 4, V_X1_FILTER},
+       {"dr", "dering",                1, 5, 6, DERING},
+       {"al", "autolevels",            0, 1, 2, LEVEL_FIX},
+       {"lb", "linblenddeint",         1, 1, 4, INTERPOLATION_LINEAR_BLEND_DEINT_FILTER},
+       {"li", "linipoldeint",          1, 1, 4, INTERPOLATION_LINEAR_IPOL_DEINT_FILTER},
+       {"ci", "cubicipoldeint",        1, 1, 4, CUBIC_IPOL_DEINT_FILTER},
+       {"md", "mediandeint",           1, 1, 4, MEDIAN_DEINT_FILTER},
+       {"fd", "ffmpegdeint",           1, 1, 4, FFMPEG_DEINT_FILTER},
+       {"l5", "lowpass5",              1, 1, 4, LOWPASS5_DEINT_FILTER},
+       {"tn", "tmpnoise",              1, 7, 8, TEMP_NOISE_FILTER},
+       {"fq", "forcequant",            1, 0, 0, FORCE_QUANT},
+       {NULL, NULL,0,0,0,0} //End Marker
+};
+
+static char *replaceTable[]=
+{
+       "default",      "hdeblock:a,vdeblock:a,dering:a,autolevels,tmpnoise:a:150:200:400",
+       "de",           "hdeblock:a,vdeblock:a,dering:a,autolevels,tmpnoise:a:150:200:400",
+       "fast",         "x1hdeblock:a,x1vdeblock:a,dering:a,autolevels,tmpnoise:a:150:200:400",
+       "fa",           "x1hdeblock:a,x1vdeblock:a,dering:a,autolevels,tmpnoise:a:150:200:400",
+       NULL //End Marker
+};
+
+#ifdef ARCH_X86
+static inline void unusedVariableWarningFixer()
+{
+       if(w05 + w20 + b00 + b01 + b02 + b08 + b80 == 0) b00=0;
+}
+#endif
+
+
+#ifdef ARCH_X86
+static inline void prefetchnta(void *p)
+{
+       asm volatile(   "prefetchnta (%0)\n\t"
+               : : "r" (p)
+       );
+}
+
+static inline void prefetcht0(void *p)
+{
+       asm volatile(   "prefetcht0 (%0)\n\t"
+               : : "r" (p)
+       );
+}
+
+static inline void prefetcht1(void *p)
+{
+       asm volatile(   "prefetcht1 (%0)\n\t"
+               : : "r" (p)
+       );
+}
+
+static inline void prefetcht2(void *p)
+{
+       asm volatile(   "prefetcht2 (%0)\n\t"
+               : : "r" (p)
+       );
+}
+#endif
+
+// The horizontal Functions exist only in C cuz the MMX code is faster with vertical filters and transposing
+
+/**
+ * Check if the given 8x8 Block is mostly "flat"
+ */
+static inline int isHorizDC(uint8_t src[], int stride, PPContext *c)
+{
+       int numEq= 0;
+       int y;
+       const int dcOffset= ((c->nonBQP*c->ppMode.baseDcDiff)>>8) + 1;
+       const int dcThreshold= dcOffset*2 + 1;
+
+       for(y=0; y<BLOCK_SIZE; y++)
+       {
+               if(((unsigned)(src[0] - src[1] + dcOffset)) < dcThreshold) numEq++;
+               if(((unsigned)(src[1] - src[2] + dcOffset)) < dcThreshold) numEq++;
+               if(((unsigned)(src[2] - src[3] + dcOffset)) < dcThreshold) numEq++;
+               if(((unsigned)(src[3] - src[4] + dcOffset)) < dcThreshold) numEq++;
+               if(((unsigned)(src[4] - src[5] + dcOffset)) < dcThreshold) numEq++;
+               if(((unsigned)(src[5] - src[6] + dcOffset)) < dcThreshold) numEq++;
+               if(((unsigned)(src[6] - src[7] + dcOffset)) < dcThreshold) numEq++;
+               src+= stride;
+       }
+       return numEq > c->ppMode.flatnessThreshold;
+}
+
+/**
+ * Check if the middle 8x8 Block in the given 8x16 block is flat
+ */
+static inline int isVertDC_C(uint8_t src[], int stride, PPContext *c){
+       int numEq= 0;
+       int y;
+       const int dcOffset= ((c->nonBQP*c->ppMode.baseDcDiff)>>8) + 1;
+       const int dcThreshold= dcOffset*2 + 1;
+
+       src+= stride*4; // src points to begin of the 8x8 Block
+       for(y=0; y<BLOCK_SIZE-1; y++)
+       {
+               if(((unsigned)(src[0] - src[0+stride] + dcOffset)) < dcThreshold) numEq++;
+               if(((unsigned)(src[1] - src[1+stride] + dcOffset)) < dcThreshold) numEq++;
+               if(((unsigned)(src[2] - src[2+stride] + dcOffset)) < dcThreshold) numEq++;
+               if(((unsigned)(src[3] - src[3+stride] + dcOffset)) < dcThreshold) numEq++;
+               if(((unsigned)(src[4] - src[4+stride] + dcOffset)) < dcThreshold) numEq++;
+               if(((unsigned)(src[5] - src[5+stride] + dcOffset)) < dcThreshold) numEq++;
+               if(((unsigned)(src[6] - src[6+stride] + dcOffset)) < dcThreshold) numEq++;
+               if(((unsigned)(src[7] - src[7+stride] + dcOffset)) < dcThreshold) numEq++;
+               src+= stride;
+       }
+       return numEq > c->ppMode.flatnessThreshold;
+}
+
+static inline int isHorizMinMaxOk(uint8_t src[], int stride, int QP)
+{
+       int i;
+#if 1
+       for(i=0; i<2; i++){
+               if((unsigned)(src[0] - src[5] + 2*QP) > 4*QP) return 0;
+               src += stride;
+               if((unsigned)(src[2] - src[7] + 2*QP) > 4*QP) return 0;
+               src += stride;
+               if((unsigned)(src[4] - src[1] + 2*QP) > 4*QP) return 0;
+               src += stride;
+               if((unsigned)(src[6] - src[3] + 2*QP) > 4*QP) return 0;
+               src += stride;
+       }
+#else        
+       for(i=0; i<8; i++){
+               if((unsigned)(src[0] - src[7] + 2*QP) > 4*QP) return 0;
+               src += stride;
+       }
+#endif
+       return 1;
+}
+
+static inline int isVertMinMaxOk_C(uint8_t src[], int stride, int QP)
+{
+#if 1
+#if 1
+       int x;
+       src+= stride*4;
+       for(x=0; x<BLOCK_SIZE; x+=4)
+       {
+               if((unsigned)(src[  x + 0*stride] - src[  x + 5*stride] + 2*QP) > 4*QP) return 0;
+               if((unsigned)(src[1+x + 2*stride] - src[1+x + 7*stride] + 2*QP) > 4*QP) return 0;
+               if((unsigned)(src[2+x + 4*stride] - src[2+x + 1*stride] + 2*QP) > 4*QP) return 0;
+               if((unsigned)(src[3+x + 6*stride] - src[3+x + 3*stride] + 2*QP) > 4*QP) return 0;
+       }
+#else
+       int x;
+       src+= stride*3;
+       for(x=0; x<BLOCK_SIZE; x++)
+       {
+               if((unsigned)(src[x + stride] - src[x + (stride<<3)] + 2*QP) > 4*QP) return 0;
+       }
+#endif
+       return 1;
+#else
+       int x;
+       src+= stride*4;
+       for(x=0; x<BLOCK_SIZE; x++)
+       {
+               int min=255;
+               int max=0;
+               int y;
+               for(y=0; y<8; y++){
+                       int v= src[x + y*stride];
+                       if(v>max) max=v;
+                       if(v<min) min=v;
+               }
+               if(max-min > 2*QP) return 0;
+       }
+       return 1;
+#endif
+}
+
+static inline int vertClassify_C(uint8_t src[], int stride, PPContext *c){
+       if( isVertDC_C(src, stride, c) ){
+               if( isVertMinMaxOk_C(src, stride, c->QP) )
+                       return 1;
+               else
+                       return 0;
+       }else{
+               return 2;
+       }
+}
+
+static inline void doHorizDefFilter(uint8_t dst[], int stride, int QP)
+{
+       int y;
+       for(y=0; y<BLOCK_SIZE; y++)
+       {
+               const int middleEnergy= 5*(dst[4] - dst[5]) + 2*(dst[2] - dst[5]);
+
+               if(ABS(middleEnergy) < 8*QP)
+               {
+                       const int q=(dst[3] - dst[4])/2;
+                       const int leftEnergy=  5*(dst[2] - dst[1]) + 2*(dst[0] - dst[3]);
+                       const int rightEnergy= 5*(dst[6] - dst[5]) + 2*(dst[4] - dst[7]);
+
+                       int d= ABS(middleEnergy) - MIN( ABS(leftEnergy), ABS(rightEnergy) );
+                       d= MAX(d, 0);
+
+                       d= (5*d + 32) >> 6;
+                       d*= SIGN(-middleEnergy);
+
+                       if(q>0)
+                       {
+                               d= d<0 ? 0 : d;
+                               d= d>q ? q : d;
+                       }
+                       else
+                       {
+                               d= d>0 ? 0 : d;
+                               d= d<q ? q : d;
+                       }
+
+                       dst[3]-= d;
+                       dst[4]+= d;
+               }
+               dst+= stride;
+       }
+}
+
+/**
+ * Do a horizontal low pass filter on the 10x8 block (dst points to middle 8x8 Block)
+ * using the 9-Tap Filter (1,1,2,2,4,2,2,1,1)/16 (C version)
+ */
+static inline void doHorizLowPass(uint8_t dst[], int stride, int QP)
+{
+
+       int y;
+       for(y=0; y<BLOCK_SIZE; y++)
+       {
+               const int first= ABS(dst[-1] - dst[0]) < QP ? dst[-1] : dst[0];
+               const int last= ABS(dst[8] - dst[7]) < QP ? dst[8] : dst[7];
+
+               int sums[9];
+               sums[0] = first + dst[0];
+               sums[1] = dst[0] + dst[1];
+               sums[2] = dst[1] + dst[2];
+               sums[3] = dst[2] + dst[3];
+               sums[4] = dst[3] + dst[4];
+               sums[5] = dst[4] + dst[5];
+               sums[6] = dst[5] + dst[6];
+               sums[7] = dst[6] + dst[7];
+               sums[8] = dst[7] + last;
+
+               dst[0]= ((sums[0]<<2) + ((first + sums[2])<<1) + sums[4] + 8)>>4;
+               dst[1]= ((dst[1]<<2) + ((first + sums[0] + sums[3])<<1) + sums[5] + 8)>>4;
+               dst[2]= ((dst[2]<<2) + ((first + sums[1] + sums[4])<<1) + sums[6] + 8)>>4;
+               dst[3]= ((dst[3]<<2) + ((sums[2] + sums[5])<<1) + sums[0] + sums[7] + 8)>>4;
+               dst[4]= ((dst[4]<<2) + ((sums[3] + sums[6])<<1) + sums[1] + sums[8] + 8)>>4;
+               dst[5]= ((dst[5]<<2) + ((last + sums[7] + sums[4])<<1) + sums[2] + 8)>>4;
+               dst[6]= (((last + dst[6])<<2) + ((dst[7] + sums[5])<<1) + sums[3] + 8)>>4;
+               dst[7]= ((sums[8]<<2) + ((last + sums[6])<<1) + sums[4] + 8)>>4;
+
+               dst+= stride;
+       }
+}
+
+/**
+ * Experimental Filter 1 (Horizontal)
+ * will not damage linear gradients
+ * Flat blocks should look like they where passed through the (1,1,2,2,4,2,2,1,1) 9-Tap filter
+ * can only smooth blocks at the expected locations (it cant smooth them if they did move)
+ * MMX2 version does correct clipping C version doesnt
+ * not identical with the vertical one
+ */
+static inline void horizX1Filter(uint8_t *src, int stride, int QP)
+{
+       int y;
+       static uint64_t *lut= NULL;
+       if(lut==NULL)
+       {
+               int i;
+               lut= (uint64_t*)memalign(8, 256*8);
+               for(i=0; i<256; i++)
+               {
+                       int v= i < 128 ? 2*i : 2*(i-256);
+/*
+//Simulate 112242211 9-Tap filter
+                       uint64_t a= (v/16) & 0xFF;
+                       uint64_t b= (v/8) & 0xFF;
+                       uint64_t c= (v/4) & 0xFF;
+                       uint64_t d= (3*v/8) & 0xFF;
+*/
+//Simulate piecewise linear interpolation
+                       uint64_t a= (v/16) & 0xFF;
+                       uint64_t b= (v*3/16) & 0xFF;
+                       uint64_t c= (v*5/16) & 0xFF;
+                       uint64_t d= (7*v/16) & 0xFF;
+                       uint64_t A= (0x100 - a)&0xFF;
+                       uint64_t B= (0x100 - b)&0xFF;
+                       uint64_t C= (0x100 - c)&0xFF;
+                       uint64_t D= (0x100 - c)&0xFF;
+
+                       lut[i]   = (a<<56) | (b<<48) | (c<<40) | (d<<32) |
+                               (D<<24) | (C<<16) | (B<<8) | (A);
+                       //lut[i] = (v<<32) | (v<<24);
+               }
+       }
+
+       for(y=0; y<BLOCK_SIZE; y++)
+       {
+               int a= src[1] - src[2];
+               int b= src[3] - src[4];
+               int c= src[5] - src[6];
+
+               int d= MAX(ABS(b) - (ABS(a) + ABS(c))/2, 0);
+
+               if(d < QP)
+               {
+                       int v = d * SIGN(-b);
+
+                       src[1] +=v/8;
+                       src[2] +=v/4;
+                       src[3] +=3*v/8;
+                       src[4] -=3*v/8;
+                       src[5] -=v/4;
+                       src[6] -=v/8;
+
+               }
+               src+=stride;
+       }
+}
+
+
+//Note: we have C, MMX, MMX2, 3DNOW version there is no 3DNOW+MMX2 one
+//Plain C versions
+#if !defined (HAVE_MMX) || defined (RUNTIME_CPUDETECT)
+#define COMPILE_C
+#endif
+
+#ifdef ARCH_X86
+
+#if (defined (HAVE_MMX) && !defined (HAVE_3DNOW) && !defined (HAVE_MMX2)) || defined (RUNTIME_CPUDETECT)
+#define COMPILE_MMX
+#endif
+
+#if defined (HAVE_MMX2) || defined (RUNTIME_CPUDETECT)
+#define COMPILE_MMX2
+#endif
+
+#if (defined (HAVE_3DNOW) && !defined (HAVE_MMX2)) || defined (RUNTIME_CPUDETECT)
+#define COMPILE_3DNOW
+#endif
+#endif //ARCH_X86
+
+#undef HAVE_MMX
+#undef HAVE_MMX2
+#undef HAVE_3DNOW
+#undef ARCH_X86
+
+#ifdef COMPILE_C
+#undef HAVE_MMX
+#undef HAVE_MMX2
+#undef HAVE_3DNOW
+#undef ARCH_X86
+#define RENAME(a) a ## _C
+#include "postprocess_template.c"
+#endif
+
+//MMX versions
+#ifdef COMPILE_MMX
+#undef RENAME
+#define HAVE_MMX
+#undef HAVE_MMX2
+#undef HAVE_3DNOW
+#define ARCH_X86
+#define RENAME(a) a ## _MMX
+#include "postprocess_template.c"
+#endif
+
+//MMX2 versions
+#ifdef COMPILE_MMX2
+#undef RENAME
+#define HAVE_MMX
+#define HAVE_MMX2
+#undef HAVE_3DNOW
+#define ARCH_X86
+#define RENAME(a) a ## _MMX2
+#include "postprocess_template.c"
+#endif
+
+//3DNOW versions
+#ifdef COMPILE_3DNOW
+#undef RENAME
+#define HAVE_MMX
+#undef HAVE_MMX2
+#define HAVE_3DNOW
+#define ARCH_X86
+#define RENAME(a) a ## _3DNow
+#include "postprocess_template.c"
+#endif
+
+// minor note: the HAVE_xyz is messed up after that line so dont use it
+
+static inline void postProcess(uint8_t src[], int srcStride, uint8_t dst[], int dstStride, int width, int height,
+       QP_STORE_T QPs[], int QPStride, int isColor, pp_mode_t *vm, pp_context_t *vc)
+{
+       PPContext *c= (PPContext *)vc;
+       PPMode *ppMode= (PPMode *)vm;
+       c->ppMode= *ppMode; //FIXME
+
+       // useing ifs here as they are faster than function pointers allthough the
+       // difference wouldnt be messureable here but its much better because
+       // someone might exchange the cpu whithout restarting mplayer ;)
+#ifdef RUNTIME_CPUDETECT
+#ifdef ARCH_X86
+       // ordered per speed fasterst first
+       if(c->cpuCaps & PP_CPU_CAPS_MMX2)
+               postProcess_MMX2(src, srcStride, dst, dstStride, width, height, QPs, QPStride, isColor, c);
+       else if(c->cpuCaps & PP_CPU_CAPS_3DNOW)
+               postProcess_3DNow(src, srcStride, dst, dstStride, width, height, QPs, QPStride, isColor, c);
+       else if(c->cpuCaps & PP_CPU_CAPS_MMX)
+               postProcess_MMX(src, srcStride, dst, dstStride, width, height, QPs, QPStride, isColor, c);
+       else
+               postProcess_C(src, srcStride, dst, dstStride, width, height, QPs, QPStride, isColor, c);
+#else
+               postProcess_C(src, srcStride, dst, dstStride, width, height, QPs, QPStride, isColor, c);
+#endif
+#else //RUNTIME_CPUDETECT
+#ifdef HAVE_MMX2
+               postProcess_MMX2(src, srcStride, dst, dstStride, width, height, QPs, QPStride, isColor, c);
+#elif defined (HAVE_3DNOW)
+               postProcess_3DNow(src, srcStride, dst, dstStride, width, height, QPs, QPStride, isColor, c);
+#elif defined (HAVE_MMX)
+               postProcess_MMX(src, srcStride, dst, dstStride, width, height, QPs, QPStride, isColor, c);
+#else
+               postProcess_C(src, srcStride, dst, dstStride, width, height, QPs, QPStride, isColor, c);
+#endif
+#endif //!RUNTIME_CPUDETECT
+}
+
+//static void postProcess(uint8_t src[], int srcStride, uint8_t dst[], int dstStride, int width, int height,
+//     QP_STORE_T QPs[], int QPStride, int isColor, struct PPMode *ppMode);
+
+/* -pp Command line Help
+*/
+char *pp_help=
+"<filterName>[:<option>[:<option>...]][[,|/][-]<filterName>[:<option>...]]...\n"
+"long form example:\n"
+"vdeblock:autoq/hdeblock:autoq/linblenddeint   default,-vdeblock\n"
+"short form example:\n"
+"vb:a/hb:a/lb                                  de,-vb\n"
+"more examples:\n"
+"tn:64:128:256\n"
+"Filters                       Options\n"
+"short long name       short   long option     Description\n"
+"*     *               a       autoq           CPU power dependent enabler\n"
+"                      c       chrom           chrominance filtering enabled\n"
+"                      y       nochrom         chrominance filtering disabled\n"
+"hb    hdeblock        (2 threshold)           horizontal deblocking filter\n"
+"      1. difference factor: default=32, higher -> more deblocking\n"
+"      2. flatness threshold: default=39, lower -> more deblocking\n"
+"                      the h & v deblocking filters share these\n"
+"                      so you can't set different thresholds for h / v\n"
+"vb    vdeblock        (2 threshold)           vertical deblocking filter\n"
+"h1    x1hdeblock                              experimental h deblock filter 1\n"
+"v1    x1vdeblock                              experimental v deblock filter 1\n"
+"dr    dering                                  deringing filter\n"
+"al    autolevels                              automatic brightness / contrast\n"
+"                      f       fullyrange      stretch luminance to (0..255)\n"
+"lb    linblenddeint                           linear blend deinterlacer\n"
+"li    linipoldeint                            linear interpolating deinterlace\n"
+"ci    cubicipoldeint                          cubic interpolating deinterlacer\n"
+"md    mediandeint                             median deinterlacer\n"
+"fd    ffmpegdeint                             ffmpeg deinterlacer\n"
+"de    default                                 hb:a,vb:a,dr:a,al\n"
+"fa    fast                                    h1:a,v1:a,dr:a,al\n"
+"tn    tmpnoise        (3 threshold)           temporal noise reducer\n"
+"                      1. <= 2. <= 3.          larger -> stronger filtering\n"
+"fq    forceQuant      <quantizer>             force quantizer\n"
+;
+
+pp_mode_t *pp_get_mode_by_name_and_quality(char *name, int quality)
+{
+       char temp[GET_MODE_BUFFER_SIZE];
+       char *p= temp;
+       char *filterDelimiters= ",/";
+       char *optionDelimiters= ":";
+       struct PPMode *ppMode;
+       char *filterToken;
+
+       ppMode= memalign(8, sizeof(PPMode));
+       
+       ppMode->lumMode= 0;
+       ppMode->chromMode= 0;
+       ppMode->maxTmpNoise[0]= 700;
+       ppMode->maxTmpNoise[1]= 1500;
+       ppMode->maxTmpNoise[2]= 3000;
+       ppMode->maxAllowedY= 234;
+       ppMode->minAllowedY= 16;
+       ppMode->baseDcDiff= 256/8;
+       ppMode->flatnessThreshold= 56-16-1;
+       ppMode->maxClippedThreshold= 0.01;
+       ppMode->error=0;
+
+       strncpy(temp, name, GET_MODE_BUFFER_SIZE);
+
+       if(verbose>1) printf("pp: %s\n", name);
+
+       for(;;){
+               char *filterName;
+               int q= 1000000; //PP_QUALITY_MAX;
+               int chrom=-1;
+               char *option;
+               char *options[OPTIONS_ARRAY_SIZE];
+               int i;
+               int filterNameOk=0;
+               int numOfUnknownOptions=0;
+               int enable=1; //does the user want us to enabled or disabled the filter
+
+               filterToken= strtok(p, filterDelimiters);
+               if(filterToken == NULL) break;
+               p+= strlen(filterToken) + 1; // p points to next filterToken
+               filterName= strtok(filterToken, optionDelimiters);
+               if(verbose>1) printf("pp: %s::%s\n", filterToken, filterName);
+
+               if(*filterName == '-')
+               {
+                       enable=0;
+                       filterName++;
+               }
+
+               for(;;){ //for all options
+                       option= strtok(NULL, optionDelimiters);
+                       if(option == NULL) break;
+
+                       if(verbose>1) printf("pp: option: %s\n", option);
+                       if(!strcmp("autoq", option) || !strcmp("a", option)) q= quality;
+                       else if(!strcmp("nochrom", option) || !strcmp("y", option)) chrom=0;
+                       else if(!strcmp("chrom", option) || !strcmp("c", option)) chrom=1;
+                       else
+                       {
+                               options[numOfUnknownOptions] = option;
+                               numOfUnknownOptions++;
+                       }
+                       if(numOfUnknownOptions >= OPTIONS_ARRAY_SIZE-1) break;
+               }
+               options[numOfUnknownOptions] = NULL;
+
+               /* replace stuff from the replace Table */
+               for(i=0; replaceTable[2*i]!=NULL; i++)
+               {
+                       if(!strcmp(replaceTable[2*i], filterName))
+                       {
+                               int newlen= strlen(replaceTable[2*i + 1]);
+                               int plen;
+                               int spaceLeft;
+
+                               if(p==NULL) p= temp, *p=0;      //last filter
+                               else p--, *p=',';               //not last filter
+
+                               plen= strlen(p);
+                               spaceLeft= p - temp + plen;
+                               if(spaceLeft + newlen  >= GET_MODE_BUFFER_SIZE)
+                               {
+                                       ppMode->error++;
+                                       break;
+                               }
+                               memmove(p + newlen, p, plen+1);
+                               memcpy(p, replaceTable[2*i + 1], newlen);
+                               filterNameOk=1;
+                       }
+               }
+
+               for(i=0; filters[i].shortName!=NULL; i++)
+               {
+//                     printf("Compareing %s, %s, %s\n", filters[i].shortName,filters[i].longName, filterName);
+                       if(   !strcmp(filters[i].longName, filterName)
+                          || !strcmp(filters[i].shortName, filterName))
+                       {
+                               ppMode->lumMode &= ~filters[i].mask;
+                               ppMode->chromMode &= ~filters[i].mask;
+
+                               filterNameOk=1;
+                               if(!enable) break; // user wants to disable it
+
+                               if(q >= filters[i].minLumQuality)
+                                       ppMode->lumMode|= filters[i].mask;
+                               if(chrom==1 || (chrom==-1 && filters[i].chromDefault))
+                                       if(q >= filters[i].minChromQuality)
+                                               ppMode->chromMode|= filters[i].mask;
+
+                               if(filters[i].mask == LEVEL_FIX)
+                               {
+                                       int o;
+                                       ppMode->minAllowedY= 16;
+                                       ppMode->maxAllowedY= 234;
+                                       for(o=0; options[o]!=NULL; o++)
+                                       {
+                                               if(  !strcmp(options[o],"fullyrange")
+                                                  ||!strcmp(options[o],"f"))
+                                               {
+                                                       ppMode->minAllowedY= 0;
+                                                       ppMode->maxAllowedY= 255;
+                                                       numOfUnknownOptions--;
+                                               }
+                                       }
+                               }
+                               else if(filters[i].mask == TEMP_NOISE_FILTER)
+                               {
+                                       int o;
+                                       int numOfNoises=0;
+
+                                       for(o=0; options[o]!=NULL; o++)
+                                       {
+                                               char *tail;
+                                               ppMode->maxTmpNoise[numOfNoises]=
+                                                       strtol(options[o], &tail, 0);
+                                               if(tail!=options[o])
+                                               {
+                                                       numOfNoises++;
+                                                       numOfUnknownOptions--;
+                                                       if(numOfNoises >= 3) break;
+                                               }
+                                       }
+                               }
+                               else if(filters[i].mask == V_DEBLOCK || filters[i].mask == H_DEBLOCK)
+                               {
+                                       int o;
+
+                                       for(o=0; options[o]!=NULL && o<2; o++)
+                                       {
+                                               char *tail;
+                                               int val= strtol(options[o], &tail, 0);
+                                               if(tail==options[o]) break;
+
+                                               numOfUnknownOptions--;
+                                               if(o==0) ppMode->baseDcDiff= val;
+                                               else ppMode->flatnessThreshold= val;
+                                       }
+                               }
+                               else if(filters[i].mask == FORCE_QUANT)
+                               {
+                                       int o;
+                                       ppMode->forcedQuant= 15;
+
+                                       for(o=0; options[o]!=NULL && o<1; o++)
+                                       {
+                                               char *tail;
+                                               int val= strtol(options[o], &tail, 0);
+                                               if(tail==options[o]) break;
+
+                                               numOfUnknownOptions--;
+                                               ppMode->forcedQuant= val;
+                                       }
+                               }
+                       }
+               }
+               if(!filterNameOk) ppMode->error++;
+               ppMode->error += numOfUnknownOptions;
+       }
+
+       if(verbose>1) printf("pp: lumMode=%X, chromMode=%X\n", ppMode->lumMode, ppMode->chromMode);
+       if(ppMode->error)
+       {
+               fprintf(stderr, "%d errors in postprocess string \"%s\"\n", ppMode->error, name);
+               free(ppMode);
+               return NULL;
+       }
+       return ppMode;
+}
+
+void pp_free_mode(pp_mode_t *mode){
+    if(mode) free(mode);
+}
+
+static void reallocAlign(void **p, int alignment, int size){
+       if(*p) free(*p);
+       *p= memalign(alignment, size);
+       memset(*p, 0, size);
+}
+
+static void reallocBuffers(PPContext *c, int width, int height, int stride, int qpStride){
+       int mbWidth = (width+15)>>4;
+       int mbHeight= (height+15)>>4;
+       int i;
+
+       c->stride= stride;
+       c->qpStride= qpStride;
+
+       reallocAlign((void **)&c->tempDst, 8, stride*24);
+       reallocAlign((void **)&c->tempSrc, 8, stride*24);
+       reallocAlign((void **)&c->tempBlocks, 8, 2*16*8);
+       reallocAlign((void **)&c->yHistogram, 8, 256*sizeof(uint64_t));
+       for(i=0; i<256; i++)
+               c->yHistogram[i]= width*height/64*15/256;
+
+       for(i=0; i<3; i++)
+       {
+               //Note:the +17*1024 is just there so i dont have to worry about r/w over te end
+               reallocAlign((void **)&c->tempBlured[i], 8, stride*mbHeight*16 + 17*1024);
+               reallocAlign((void **)&c->tempBluredPast[i], 8, 256*((height+7)&(~7))/2 + 17*1024);//FIXME size
+       }
+
+       reallocAlign((void **)&c->deintTemp, 8, 2*width+32);
+       reallocAlign((void **)&c->nonBQPTable, 8, qpStride*mbHeight*sizeof(QP_STORE_T));
+       reallocAlign((void **)&c->stdQPTable, 8, qpStride*mbHeight*sizeof(QP_STORE_T));
+       reallocAlign((void **)&c->forcedQPTable, 8, mbWidth*sizeof(QP_STORE_T));
+}
+
+static void global_init(void){
+       int i;
+       memset(clip_table, 0, 256);
+       for(i=256; i<512; i++)
+               clip_table[i]= i;
+       memset(clip_table+512, 0, 256);
+}
+
+pp_context_t *pp_get_context(int width, int height, int cpuCaps){
+       PPContext *c= memalign(32, sizeof(PPContext));
+       int stride= (width+15)&(~15); //assumed / will realloc if needed
+       int qpStride= (width+15)/16 + 2; //assumed / will realloc if needed
+        
+       global_init();
+
+       memset(c, 0, sizeof(PPContext));
+       c->cpuCaps= cpuCaps;
+       if(cpuCaps&PP_FORMAT){
+               c->hChromaSubSample= cpuCaps&0x3;
+               c->vChromaSubSample= (cpuCaps>>4)&0x3;
+       }else{
+               c->hChromaSubSample= 1;
+               c->vChromaSubSample= 1;
+       }
+
+       reallocBuffers(c, width, height, stride, qpStride);
+        
+       c->frameNum=-1;
+
+       return c;
+}
+
+void pp_free_context(void *vc){
+       PPContext *c = (PPContext*)vc;
+       int i;
+       
+       for(i=0; i<3; i++) free(c->tempBlured[i]);
+       for(i=0; i<3; i++) free(c->tempBluredPast[i]);
+       
+       free(c->tempBlocks);
+       free(c->yHistogram);
+       free(c->tempDst);
+       free(c->tempSrc);
+       free(c->deintTemp);
+       free(c->stdQPTable);
+       free(c->nonBQPTable);
+       free(c->forcedQPTable);
+        
+       memset(c, 0, sizeof(PPContext));
+
+       free(c);
+}
+
+void  pp_postprocess(uint8_t * src[3], int srcStride[3],
+                 uint8_t * dst[3], int dstStride[3],
+                 int width, int height,
+                 QP_STORE_T *QP_store,  int QPStride,
+                pp_mode_t *vm,  void *vc, int pict_type)
+{
+       int mbWidth = (width+15)>>4;
+       int mbHeight= (height+15)>>4;
+       PPMode *mode = (PPMode*)vm;
+       PPContext *c = (PPContext*)vc;
+        int minStride= MAX(srcStride[0], dstStride[0]);
+
+       if(c->stride < minStride || c->qpStride < QPStride)
+               reallocBuffers(c, width, height, 
+                               MAX(minStride, c->stride), 
+                               MAX(c->qpStride, QPStride));
+
+       if(QP_store==NULL || (mode->lumMode & FORCE_QUANT)) 
+       {
+               int i;
+               QP_store= c->forcedQPTable;
+               QPStride= 0;
+               if(mode->lumMode & FORCE_QUANT)
+                       for(i=0; i<mbWidth; i++) QP_store[i]= mode->forcedQuant;
+               else
+                       for(i=0; i<mbWidth; i++) QP_store[i]= 1;
+       }
+//printf("pict_type:%d\n", pict_type);
+
+       if(pict_type & PP_PICT_TYPE_QP2){
+               int i;
+               const int count= mbHeight * QPStride;
+               for(i=0; i<(count>>2); i++){
+                       ((uint32_t*)c->stdQPTable)[i] = (((uint32_t*)QP_store)[i]>>1) & 0x7F7F7F7F;
+               }
+               for(i<<=2; i<count; i++){
+                       c->stdQPTable[i] = QP_store[i]>>1;
+               }
+                QP_store= c->stdQPTable;
+       }
+
+if(0){
+int x,y;
+for(y=0; y<mbHeight; y++){
+       for(x=0; x<mbWidth; x++){
+               printf("%2d ", QP_store[x + y*QPStride]);
+       }
+       printf("\n");
+}
+       printf("\n");
+}
+
+       if((pict_type&7)!=3)
+       {
+               int i;
+               const int count= mbHeight * QPStride;
+               for(i=0; i<(count>>2); i++){
+                       ((uint32_t*)c->nonBQPTable)[i] = ((uint32_t*)QP_store)[i] & 0x1F1F1F1F;
+               }
+               for(i<<=2; i<count; i++){
+                       c->nonBQPTable[i] = QP_store[i] & 0x1F;
+               }
+       }
+
+       if(verbose>2)
+       {
+               printf("using npp filters 0x%X/0x%X\n", mode->lumMode, mode->chromMode);
+       }
+
+       postProcess(src[0], srcStride[0], dst[0], dstStride[0],
+               width, height, QP_store, QPStride, 0, mode, c);
+
+       width  = (width )>>c->hChromaSubSample;
+       height = (height)>>c->vChromaSubSample;
+
+       if(mode->chromMode)
+       {
+               postProcess(src[1], srcStride[1], dst[1], dstStride[1],
+                       width, height, QP_store, QPStride, 1, mode, c);
+               postProcess(src[2], srcStride[2], dst[2], dstStride[2],
+                       width, height, QP_store, QPStride, 2, mode, c);
+       }
+       else if(srcStride[1] == dstStride[1] && srcStride[2] == dstStride[2])
+       {
+               memcpy(dst[1], src[1], srcStride[1]*height);
+               memcpy(dst[2], src[2], srcStride[2]*height);
+       }
+       else
+       {
+               int y;
+               for(y=0; y<height; y++)
+               {
+                       memcpy(&(dst[1][y*dstStride[1]]), &(src[1][y*srcStride[1]]), width);
+                       memcpy(&(dst[2][y*dstStride[2]]), &(src[2][y*srcStride[2]]), width);
+               }
+       }
+}
+