libmpcodecs/vf_uspp.c

   1 /*
   2     Copyright (C) 2005 Michael Niedermayer <michaelni@gmx.at>
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  17 */
  18
  19 #include <stdio.h>
  20 #include <stdlib.h>
  21 #include <string.h>
  22 #include <inttypes.h>
  23 #include <math.h>
  24 #include <assert.h>
  25
  26 #include "config.h"
  27
  28 #include "mp_msg.h"
  29 #include "cpudetect.h"
  30
  31 #include "libavcodec/avcodec.h"
  32
  33 #ifdef HAVE_MALLOC_H
  34 #include <malloc.h>
  35 #endif
  36
  37 #include "img_format.h"
  38 #include "mp_image.h"
  39 #include "vf.h"
  40 #include "libvo/fastmemcpy.h"
  41
  42 #define XMIN(a,b) ((a) < (b) ? (a) : (b))
  43
  44 #define BLOCK 16
  45
  46 //===========================================================================//
  47 static const uint8_t  __attribute__((aligned(8))) dither[8][8]={
  48 {  0*4,  48*4,  12*4,  60*4,   3*4,  51*4,  15*4,  63*4, },
  49 { 32*4,  16*4,  44*4,  28*4,  35*4,  19*4,  47*4,  31*4, },
  50 {  8*4,  56*4,   4*4,  52*4,  11*4,  59*4,   7*4,  55*4, },
  51 { 40*4,  24*4,  36*4,  20*4,  43*4,  27*4,  39*4,  23*4, },
  52 {  2*4,  50*4,  14*4,  62*4,   1*4,  49*4,  13*4,  61*4, },
  53 { 34*4,  18*4,  46*4,  30*4,  33*4,  17*4,  45*4,  29*4, },
  54 { 10*4,  58*4,   6*4,  54*4,   9*4,  57*4,   5*4,  53*4, },
  55 { 42*4,  26*4,  38*4,  22*4,  41*4,  25*4,  37*4,  21*4, },
  56 };
  57
  58 static const uint8_t offset[511][2]= {
  59 { 0, 0},
  60 { 0, 0}, { 8, 8},
  61 { 0, 0}, { 4, 4}, {12, 8}, { 8,12},
  62 { 0, 0}, {10, 2}, { 4, 4}, {14, 6}, { 8, 8}, { 2,10}, {12,12}, { 6,14},
  63
  64 { 0, 0}, {10, 2}, { 4, 4}, {14, 6}, { 8, 8}, { 2,10}, {12,12}, { 6,14},
  65 { 5, 1}, {15, 3}, { 9, 5}, { 3, 7}, {13, 9}, { 7,11}, { 1,13}, {11,15},
  66
  67 { 0, 0}, { 8, 0}, { 0, 8}, { 8, 8}, { 5, 1}, {13, 1}, { 5, 9}, {13, 9},
  68 { 2, 2}, {10, 2}, { 2,10}, {10,10}, { 7, 3}, {15, 3}, { 7,11}, {15,11},
  69 { 4, 4}, {12, 4}, { 4,12}, {12,12}, { 1, 5}, { 9, 5}, { 1,13}, { 9,13},
  70 { 6, 6}, {14, 6}, { 6,14}, {14,14}, { 3, 7}, {11, 7}, { 3,15}, {11,15},
  71
  72 { 0, 0}, { 8, 0}, { 0, 8}, { 8, 8}, { 4, 0}, {12, 0}, { 4, 8}, {12, 8},
  73 { 1, 1}, { 9, 1}, { 1, 9}, { 9, 9}, { 5, 1}, {13, 1}, { 5, 9}, {13, 9},
  74 { 3, 2}, {11, 2}, { 3,10}, {11,10}, { 7, 2}, {15, 2}, { 7,10}, {15,10},
  75 { 2, 3}, {10, 3}, { 2,11}, {10,11}, { 6, 3}, {14, 3}, { 6,11}, {14,11},
  76 { 0, 4}, { 8, 4}, { 0,12}, { 8,12}, { 4, 4}, {12, 4}, { 4,12}, {12,12},
  77 { 1, 5}, { 9, 5}, { 1,13}, { 9,13}, { 5, 5}, {13, 5}, { 5,13}, {13,13},
  78 { 3, 6}, {11, 6}, { 3,14}, {11,14}, { 7, 6}, {15, 6}, { 7,14}, {15,14},
  79 { 2, 7}, {10, 7}, { 2,15}, {10,15}, { 6, 7}, {14, 7}, { 6,15}, {14,15},
  80
  81 { 0, 0}, { 8, 0}, { 0, 8}, { 8, 8}, { 0, 2}, { 8, 2}, { 0,10}, { 8,10},
  82 { 0, 4}, { 8, 4}, { 0,12}, { 8,12}, { 0, 6}, { 8, 6}, { 0,14}, { 8,14},
  83 { 1, 1}, { 9, 1}, { 1, 9}, { 9, 9}, { 1, 3}, { 9, 3}, { 1,11}, { 9,11},
  84 { 1, 5}, { 9, 5}, { 1,13}, { 9,13}, { 1, 7}, { 9, 7}, { 1,15}, { 9,15},
  85 { 2, 0}, {10, 0}, { 2, 8}, {10, 8}, { 2, 2}, {10, 2}, { 2,10}, {10,10},
  86 { 2, 4}, {10, 4}, { 2,12}, {10,12}, { 2, 6}, {10, 6}, { 2,14}, {10,14},
  87 { 3, 1}, {11, 1}, { 3, 9}, {11, 9}, { 3, 3}, {11, 3}, { 3,11}, {11,11},
  88 { 3, 5}, {11, 5}, { 3,13}, {11,13}, { 3, 7}, {11, 7}, { 3,15}, {11,15},
  89 { 4, 0}, {12, 0}, { 4, 8}, {12, 8}, { 4, 2}, {12, 2}, { 4,10}, {12,10},
  90 { 4, 4}, {12, 4}, { 4,12}, {12,12}, { 4, 6}, {12, 6}, { 4,14}, {12,14},
  91 { 5, 1}, {13, 1}, { 5, 9}, {13, 9}, { 5, 3}, {13, 3}, { 5,11}, {13,11},
  92 { 5, 5}, {13, 5}, { 5,13}, {13,13}, { 5, 7}, {13, 7}, { 5,15}, {13,15},
  93 { 6, 0}, {14, 0}, { 6, 8}, {14, 8}, { 6, 2}, {14, 2}, { 6,10}, {14,10},
  94 { 6, 4}, {14, 4}, { 6,12}, {14,12}, { 6, 6}, {14, 6}, { 6,14}, {14,14},
  95 { 7, 1}, {15, 1}, { 7, 9}, {15, 9}, { 7, 3}, {15, 3}, { 7,11}, {15,11},
  96 { 7, 5}, {15, 5}, { 7,13}, {15,13}, { 7, 7}, {15, 7}, { 7,15}, {15,15},
  97
  98 { 0, 0}, { 8, 0}, { 0, 8}, { 8, 8}, { 4, 4}, {12, 4}, { 4,12}, {12,12}, { 0, 4}, { 8, 4}, { 0,12}, { 8,12}, { 4, 0}, {12, 0}, { 4, 8}, {12, 8}, { 2, 2}, {10, 2}, { 2,10}, {10,10}, { 6, 6}, {14, 6}, { 6,14}, {14,14}, { 2, 6}, {10, 6}, { 2,14}, {10,14}, { 6, 2}, {14, 2}, { 6,10}, {14,10}, { 0, 2}, { 8, 2}, { 0,10}, { 8,10}, { 4, 6}, {12, 6}, { 4,14}, {12,14}, { 0, 6}, { 8, 6}, { 0,14}, { 8,14}, { 4, 2}, {12, 2}, { 4,10}, {12,10}, { 2, 0}, {10, 0}, { 2, 8}, {10, 8}, { 6, 4}, {14, 4}, { 6,12}, {14,12}, { 2, 4}, {10, 4}, { 2,12}, {10,12}, { 6, 0}, {14, 0}, { 6, 8}, {14, 8}, { 1, 1}, { 9, 1}, { 1, 9}, { 9, 9}, { 5, 5}, {13, 5}, { 5,13}, {13,13}, { 1, 5}, { 9, 5}, { 1,13}, { 9,13}, { 5, 1}, {13, 1}, { 5, 9}, {13, 9}, { 3, 3}, {11, 3}, { 3,11}, {11,11}, { 7, 7}, {15, 7}, { 7,15}, {15,15}, { 3, 7}, {11, 7}, { 3,15}, {11,15}, { 7, 3}, {15, 3}, { 7,11}, {15,11}, { 1, 3}, { 9, 3}, { 1,11}, { 9,11}, { 5, 7}, {13, 7}, { 5,15}, {13,15}, { 1, 7}, { 9, 7}, { 1,15}, { 9,15}, { 5, 3}, {13, 3}, { 5,11}, {13,11}, { 3, 1}, {11, 1}, { 3, 9}, {11, 9}, { 7, 5}, {15, 5}, { 7,13}, {15,13}, { 3, 5}, {11, 5}, { 3,13}, {11,13}, { 7, 1}, {15, 1}, { 7, 9}, {15, 9}, { 0, 1}, { 8, 1}, { 0, 9}, { 8, 9}, { 4, 5}, {12, 5}, { 4,13}, {12,13}, { 0, 5}, { 8, 5}, { 0,13}, { 8,13}, { 4, 1}, {12, 1}, { 4, 9}, {12, 9}, { 2, 3}, {10, 3}, { 2,11}, {10,11}, { 6, 7}, {14, 7}, { 6,15}, {14,15}, { 2, 7}, {10, 7}, { 2,15}, {10,15}, { 6, 3}, {14, 3}, { 6,11}, {14,11}, { 0, 3}, { 8, 3}, { 0,11}, { 8,11}, { 4, 7}, {12, 7}, { 4,15}, {12,15}, { 0, 7}, { 8, 7}, { 0,15}, { 8,15}, { 4, 3}, {12, 3}, { 4,11}, {12,11}, { 2, 1}, {10, 1}, { 2, 9}, {10, 9}, { 6, 5}, {14, 5}, { 6,13}, {14,13}, { 2, 5}, {10, 5}, { 2,13}, {10,13}, { 6, 1}, {14, 1}, { 6, 9}, {14, 9}, { 1, 0}, { 9, 0}, { 1, 8}, { 9, 8}, { 5, 4}, {13, 4}, { 5,12}, {13,12}, { 1, 4}, { 9, 4}, { 1,12}, { 9,12}, { 5, 0}, {13, 0}, { 5, 8}, {13, 8}, { 3, 2}, {11, 2}, { 3,10}, {11,10}, { 7, 6}, {15, 6}, { 7,14}, {15,14}, { 3, 6}, {11, 6}, { 3,14}, {11,14}, { 7, 2}, {15, 2}, { 7,10}, {15,10}, { 1, 2}, { 9, 2}, { 1,10}, { 9,10}, { 5, 6}, {13, 6}, { 5,14}, {13,14}, { 1, 6}, { 9, 6}, { 1,14}, { 9,14}, { 5, 2}, {13, 2}, { 5,10}, {13,10}, { 3, 0}, {11, 0}, { 3, 8}, {11, 8}, { 7, 4}, {15, 4}, { 7,12}, {15,12}, { 3, 4}, {11, 4}, { 3,12}, {11,12}, { 7, 0}, {15, 0}, { 7, 8}, {15, 8},
  99 };
 100
 101 struct vf_priv_s {
 102     int log2_count;
 103     int qp;
 104     int mode;
 105     int mpeg2;
 106     int temp_stride[3];
 107     uint8_t *src[3];
 108     int16_t *temp[3];
 109     int outbuf_size;
 110     uint8_t *outbuf;
 111     AVCodecContext *avctx_enc[BLOCK*BLOCK];
 112     AVFrame *frame;
 113     AVFrame *frame_dec;
 114 };
 115
 116 static void store_slice_c(uint8_t *dst, int16_t *src, int dst_stride, int src_stride, int width, int height, int log2_scale){
 117         int y, x;
 118
 119 #define STORE(pos) \
 120         temp= ((src[x + y*src_stride + pos]<<log2_scale) + d[pos])>>8;\
 121         if(temp & 0x100) temp= ~(temp>>31);\
 122         dst[x + y*dst_stride + pos]= temp;
 123
 124         for(y=0; y<height; y++){
 125                 const uint8_t *d= dither[y&7];
 126                 for(x=0; x<width; x+=8){
 127                         int temp;
 128                         STORE(0);
 129                         STORE(1);
 130                         STORE(2);
 131                         STORE(3);
 132                         STORE(4);
 133                         STORE(5);
 134                         STORE(6);
 135                         STORE(7);
 136                 }
 137         }
 138 }
 139
 140 static void filter(struct vf_priv_s *p, uint8_t *dst[3], uint8_t *src[3], int dst_stride[3], int src_stride[3], int width, int height, uint8_t *qp_store, int qp_stride){
 141     int x, y, i, j;
 142     const int count= 1<<p->log2_count;
 143
 144     for(i=0; i<3; i++){
 145         int is_chroma= !!i;
 146         int w= width >>is_chroma;
 147         int h= height>>is_chroma;
 148         int stride= p->temp_stride[i];
 149         int block= BLOCK>>is_chroma;
 150
 151         if (!src[i] || !dst[i])
 152             continue; // HACK avoid crash for Y8 colourspace
 153         for(y=0; y<h; y++){
 154             int index= block + block*stride + y*stride;
 155             fast_memcpy(p->src[i] + index, src[i] + y*src_stride[i], w);
 156             for(x=0; x<block; x++){
 157                 p->src[i][index     - x - 1]= p->src[i][index +     x    ];
 158                 p->src[i][index + w + x    ]= p->src[i][index + w - x - 1];
 159             }
 160         }
 161         for(y=0; y<block; y++){
 162             fast_memcpy(p->src[i] + (  block-1-y)*stride, p->src[i] + (  y+block  )*stride, stride);
 163             fast_memcpy(p->src[i] + (h+block  +y)*stride, p->src[i] + (h-y+block-1)*stride, stride);
 164         }
 165
 166         p->frame->linesize[i]= stride;
 167         memset(p->temp[i], 0, (h+2*block)*stride*sizeof(int16_t));
 168     }
 169
 170     if(p->qp)
 171         p->frame->quality= p->qp * FF_QP2LAMBDA;
 172     else
 173         p->frame->quality= (qp_store[0] * FF_QP2LAMBDA)>>p->mpeg2;
 174 //    init per MB qscale stuff FIXME
 175
 176     for(i=0; i<count; i++){
 177         const int x1= offset[i+count-1][0];
 178         const int y1= offset[i+count-1][1];
 179         int offset, out_size;
 180         p->frame->data[0]= p->src[0] + x1 + y1 * p->frame->linesize[0];
 181         p->frame->data[1]= p->src[1] + x1/2 + y1/2 * p->frame->linesize[1];
 182         p->frame->data[2]= p->src[2] + x1/2 + y1/2 * p->frame->linesize[2];
 183
 184         out_size = avcodec_encode_video(p->avctx_enc[i], p->outbuf, p->outbuf_size, p->frame);
 185         p->frame_dec = p->avctx_enc[i]->coded_frame;
 186
 187         offset= (BLOCK-x1) + (BLOCK-y1)*p->frame_dec->linesize[0];
 188         //FIXME optimize
 189         for(y=0; y<height; y++){
 190             for(x=0; x<width; x++){
 191                 p->temp[0][ x + y*p->temp_stride[0] ] += p->frame_dec->data[0][ x + y*p->frame_dec->linesize[0] + offset ];
 192             }
 193         }
 194         offset= (BLOCK/2-x1/2) + (BLOCK/2-y1/2)*p->frame_dec->linesize[1];
 195         for(y=0; y<height/2; y++){
 196             for(x=0; x<width/2; x++){
 197                 p->temp[1][ x + y*p->temp_stride[1] ] += p->frame_dec->data[1][ x + y*p->frame_dec->linesize[1] + offset ];
 198                 p->temp[2][ x + y*p->temp_stride[2] ] += p->frame_dec->data[2][ x + y*p->frame_dec->linesize[2] + offset ];
 199             }
 200         }
 201     }
 202
 203     for(j=0; j<3; j++){
 204         int is_chroma= !!j;
 205         store_slice_c(dst[j], p->temp[j], dst_stride[j], p->temp_stride[j], width>>is_chroma, height>>is_chroma, 8-p->log2_count);
 206     }
 207 }
 208
 209 static int config(struct vf_instance_s* vf,
 210         int width, int height, int d_width, int d_height,
 211         unsigned int flags, unsigned int outfmt){
 212         int i;
 213         AVCodec *enc= avcodec_find_encoder(CODEC_ID_SNOW);
 214
 215         for(i=0; i<3; i++){
 216             int is_chroma= !!i;
 217             int w= ((width  + 4*BLOCK-1) & (~(2*BLOCK-1)))>>is_chroma;
 218             int h= ((height + 4*BLOCK-1) & (~(2*BLOCK-1)))>>is_chroma;
 219
 220             vf->priv->temp_stride[i]= w;
 221             vf->priv->temp[i]= malloc(vf->priv->temp_stride[i]*h*sizeof(int16_t));
 222             vf->priv->src [i]= malloc(vf->priv->temp_stride[i]*h*sizeof(uint8_t));
 223         }
 224         for(i=0; i< (1<<vf->priv->log2_count); i++){
 225             AVCodecContext *avctx_enc;
 226
 227             avctx_enc=
 228             vf->priv->avctx_enc[i]= avcodec_alloc_context();
 229             avctx_enc->width = width + BLOCK;
 230             avctx_enc->height = height + BLOCK;
 231             avctx_enc->time_base= (AVRational){1,25};  // meaningless
 232             avctx_enc->gop_size = 300;
 233             avctx_enc->max_b_frames= 0;
 234             avctx_enc->pix_fmt = PIX_FMT_YUV420P;
 235             avctx_enc->flags = CODEC_FLAG_QSCALE | CODEC_FLAG_LOW_DELAY;
 236             avctx_enc->strict_std_compliance = FF_COMPLIANCE_EXPERIMENTAL;
 237             avctx_enc->global_quality= 123;
 238             avcodec_open(avctx_enc, enc);
 239             assert(avctx_enc->codec);
 240         }
 241         vf->priv->frame= avcodec_alloc_frame();
 242         vf->priv->frame_dec= avcodec_alloc_frame();
 243
 244         vf->priv->outbuf_size= (width + BLOCK)*(height + BLOCK)*10;
 245         vf->priv->outbuf= malloc(vf->priv->outbuf_size);
 246
 247         return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt);
 248 }
 249
 250 static void get_image(struct vf_instance_s* vf, mp_image_t *mpi){
 251     if(mpi->flags&MP_IMGFLAG_PRESERVE) return; // don't change
 252     // ok, we can do pp in-place (or pp disabled):
 253     vf->dmpi=vf_get_image(vf->next,mpi->imgfmt,
 254         mpi->type, mpi->flags | MP_IMGFLAG_READABLE, mpi->width, mpi->height);
 255     mpi->planes[0]=vf->dmpi->planes[0];
 256     mpi->stride[0]=vf->dmpi->stride[0];
 257     mpi->width=vf->dmpi->width;
 258     if(mpi->flags&MP_IMGFLAG_PLANAR){
 259         mpi->planes[1]=vf->dmpi->planes[1];
 260         mpi->planes[2]=vf->dmpi->planes[2];
 261         mpi->stride[1]=vf->dmpi->stride[1];
 262         mpi->stride[2]=vf->dmpi->stride[2];
 263     }
 264     mpi->flags|=MP_IMGFLAG_DIRECT;
 265 }
 266
 267 static int put_image(struct vf_instance_s* vf, mp_image_t *mpi, double pts){
 268     mp_image_t *dmpi;
 269
 270     if(!(mpi->flags&MP_IMGFLAG_DIRECT)){
 271         // no DR, so get a new image! hope we'll get DR buffer:
 272         dmpi=vf_get_image(vf->next,mpi->imgfmt,
 273             MP_IMGTYPE_TEMP,
 274             MP_IMGFLAG_ACCEPT_STRIDE|MP_IMGFLAG_PREFER_ALIGNED_STRIDE,
 275             mpi->width,mpi->height);
 276         vf_clone_mpi_attributes(dmpi, mpi);
 277     }else{
 278         dmpi=vf->dmpi;
 279     }
 280
 281     vf->priv->mpeg2= mpi->qscale_type;
 282     if(vf->priv->log2_count || !(mpi->flags&MP_IMGFLAG_DIRECT)){
 283         if(mpi->qscale || vf->priv->qp){
 284             filter(vf->priv, dmpi->planes, mpi->planes, dmpi->stride, mpi->stride, mpi->w, mpi->h, mpi->qscale, mpi->qstride);
 285         }else{
 286             memcpy_pic(dmpi->planes[0], mpi->planes[0], mpi->w, mpi->h, dmpi->stride[0], mpi->stride[0]);
 287             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]);
 288             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]);
 289         }
 290     }
 291
 292 #ifdef HAVE_MMX
 293     if(gCpuCaps.hasMMX) asm volatile ("emms\n\t");
 294 #endif
 295 #ifdef HAVE_MMX2
 296     if(gCpuCaps.hasMMX2) asm volatile ("sfence\n\t");
 297 #endif
 298
 299     return vf_next_put_image(vf,dmpi, pts);
 300 }
 301
 302 static void uninit(struct vf_instance_s* vf){
 303     int i;
 304     if(!vf->priv) return;
 305
 306     for(i=0; i<3; i++){
 307         if(vf->priv->temp[i]) free(vf->priv->temp[i]);
 308         vf->priv->temp[i]= NULL;
 309         if(vf->priv->src[i]) free(vf->priv->src[i]);
 310         vf->priv->src[i]= NULL;
 311     }
 312     for(i=0; i<BLOCK*BLOCK; i++){
 313         av_freep(&vf->priv->avctx_enc[i]);
 314     }
 315
 316     free(vf->priv);
 317     vf->priv=NULL;
 318 }
 319
 320 //===========================================================================//
 321 static int query_format(struct vf_instance_s* vf, unsigned int fmt){
 322     switch(fmt){
 323         case IMGFMT_YV12:
 324         case IMGFMT_I420:
 325         case IMGFMT_IYUV:
 326         case IMGFMT_Y800:
 327         case IMGFMT_Y8:
 328             return vf_next_query_format(vf,fmt);
 329     }
 330     return 0;
 331 }
 332
 333 static int control(struct vf_instance_s* vf, int request, void* data){
 334     switch(request){
 335     case VFCTRL_QUERY_MAX_PP_LEVEL:
 336         return 8;
 337     case VFCTRL_SET_PP_LEVEL:
 338         vf->priv->log2_count= *((unsigned int*)data);
 339         //FIXME we have to realloc a few things here
 340         return CONTROL_TRUE;
 341     }
 342     return vf_next_control(vf,request,data);
 343 }
 344
 345 static int open(vf_instance_t *vf, char* args){
 346
 347     int log2c=-1;
 348
 349     vf->config=config;
 350     vf->put_image=put_image;
 351     vf->get_image=get_image;
 352     vf->query_format=query_format;
 353     vf->uninit=uninit;
 354     vf->control= control;
 355     vf->priv=malloc(sizeof(struct vf_priv_s));
 356     memset(vf->priv, 0, sizeof(struct vf_priv_s));
 357
 358     avcodec_init();
 359     avcodec_register_all();
 360
 361     vf->priv->log2_count= 4;
 362
 363     if (args) sscanf(args, "%d:%d:%d", &log2c, &vf->priv->qp, &vf->priv->mode);
 364
 365     if( log2c >=0 && log2c <=8 )
 366         vf->priv->log2_count = log2c;
 367
 368     if(vf->priv->qp < 0)
 369         vf->priv->qp = 0;
 370
 371 // #ifdef HAVE_MMX
 372 //     if(gCpuCaps.hasMMX){
 373 //      store_slice= store_slice_mmx;
 374 //     }
 375 // #endif
 376
 377     return 1;
 378 }
 379
 380 const vf_info_t vf_info_uspp = {
 381     "ultra simple/slow postprocess",
 382     "uspp",
 383     "Michael Niedermayer",
 384     "",
 385     open,
 386     NULL
 387 };