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
  25 #include "config.h"
  26
  27 #include "mp_msg.h"
  28 #include "cpudetect.h"
  29
  30 #include "libavcodec/avcodec.h"
  31 #include "libavcodec/dsputil.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     AVCodecContext *avctx_dec[BLOCK*BLOCK];
 113     AVFrame *frame;
 114     AVFrame *frame_dec;
 115 };
 116
 117 static void store_slice_c(uint8_t *dst, int16_t *src, int dst_stride, int src_stride, int width, int height, int log2_scale){
 118         int y, x;
 119
 120 #define STORE(pos) \
 121         temp= ((src[x + y*src_stride + pos]<<log2_scale) + d[pos])>>8;\
 122         if(temp & 0x100) temp= ~(temp>>31);\
 123         dst[x + y*dst_stride + pos]= temp;
 124
 125         for(y=0; y<height; y++){
 126                 const uint8_t *d= dither[y&7];
 127                 for(x=0; x<width; x+=8){
 128                         int temp;
 129                         STORE(0);
 130                         STORE(1);
 131                         STORE(2);
 132                         STORE(3);
 133                         STORE(4);
 134                         STORE(5);
 135                         STORE(6);
 136                         STORE(7);
 137                 }
 138         }
 139 }
 140
 141 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){
 142     int x, y, i, j;
 143     const int count= 1<<p->log2_count;
 144
 145     for(i=0; i<3; i++){
 146         int is_chroma= !!i;
 147         int w= width >>is_chroma;
 148         int h= height>>is_chroma;
 149         int stride= p->temp_stride[i];
 150         int block= BLOCK>>is_chroma;
 151
 152         if (!src[i] || !dst[i])
 153             continue; // HACK avoid crash for Y8 colourspace
 154         for(y=0; y<h; y++){
 155             int index= block + block*stride + y*stride;
 156             memcpy(p->src[i] + index, src[i] + y*src_stride[i], w);
 157             for(x=0; x<block; x++){
 158                 p->src[i][index     - x - 1]= p->src[i][index +     x    ];
 159                 p->src[i][index + w + x    ]= p->src[i][index + w - x - 1];
 160             }
 161         }
 162         for(y=0; y<block; y++){
 163             memcpy(p->src[i] + (  block-1-y)*stride, p->src[i] + (  y+block  )*stride, stride);
 164             memcpy(p->src[i] + (h+block  +y)*stride, p->src[i] + (h-y+block-1)*stride, stride);
 165         }
 166
 167         p->frame->linesize[i]= stride;
 168         memset(p->temp[i], 0, (h+2*block)*stride*sizeof(int16_t));
 169     }
 170
 171     if(p->qp)
 172         p->frame->quality= p->qp * FF_QP2LAMBDA;
 173     else
 174         p->frame->quality= (qp_store[0] * FF_QP2LAMBDA)>>p->mpeg2;
 175 //    init per MB qscale stuff FIXME
 176
 177     for(i=0; i<count; i++){
 178         const int x1= offset[i+count-1][0];
 179         const int y1= offset[i+count-1][1];
 180         int offset, out_size, got_picture;
 181         p->frame->data[0]= p->src[0] + x1 + y1 * p->frame->linesize[0];
 182         p->frame->data[1]= p->src[1] + x1/2 + y1/2 * p->frame->linesize[1];
 183         p->frame->data[2]= p->src[2] + x1/2 + y1/2 * p->frame->linesize[2];
 184
 185         out_size = avcodec_encode_video(p->avctx_enc[i], p->outbuf, p->outbuf_size, p->frame);
 186         p->frame_dec = p->avctx_enc[i]->coded_frame;
 187
 188         offset= (BLOCK-x1) + (BLOCK-y1)*p->frame_dec->linesize[0];
 189         //FIXME optimize
 190         for(y=0; y<height; y++){
 191             for(x=0; x<width; x++){
 192                 p->temp[0][ x + y*p->temp_stride[0] ] += p->frame_dec->data[0][ x + y*p->frame_dec->linesize[0] + offset ];
 193             }
 194         }
 195         offset= (BLOCK/2-x1/2) + (BLOCK/2-y1/2)*p->frame_dec->linesize[1];
 196         for(y=0; y<height/2; y++){
 197             for(x=0; x<width/2; x++){
 198                 p->temp[1][ x + y*p->temp_stride[1] ] += p->frame_dec->data[1][ x + y*p->frame_dec->linesize[1] + offset ];
 199                 p->temp[2][ x + y*p->temp_stride[2] ] += p->frame_dec->data[2][ x + y*p->frame_dec->linesize[2] + offset ];
 200             }
 201         }
 202     }
 203
 204     for(j=0; j<3; j++){
 205         int is_chroma= !!j;
 206         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);
 207     }
 208 }
 209
 210 static int config(struct vf_instance_s* vf,
 211         int width, int height, int d_width, int d_height,
 212         unsigned int flags, unsigned int outfmt){
 213         int i;
 214         AVCodec *dec= avcodec_find_decoder(CODEC_ID_SNOW);
 215         AVCodec *enc= avcodec_find_encoder(CODEC_ID_SNOW);
 216
 217         for(i=0; i<3; i++){
 218             int is_chroma= !!i;
 219             int w= ((width  + 4*BLOCK-1) & (~(2*BLOCK-1)))>>is_chroma;
 220             int h= ((height + 4*BLOCK-1) & (~(2*BLOCK-1)))>>is_chroma;
 221
 222             vf->priv->temp_stride[i]= w;
 223             vf->priv->temp[i]= malloc(vf->priv->temp_stride[i]*h*sizeof(int16_t));
 224             vf->priv->src [i]= malloc(vf->priv->temp_stride[i]*h*sizeof(uint8_t));
 225         }
 226         for(i=0; i< (1<<vf->priv->log2_count); i++){
 227             AVCodecContext *avctx_enc, *avctx_dec;
 228
 229             avctx_enc=
 230             vf->priv->avctx_enc[i]= avcodec_alloc_context();
 231             avctx_dec=
 232             vf->priv->avctx_dec[i]= avcodec_alloc_context();
 233             avctx_dec->width =
 234             avctx_enc->width = width + BLOCK;
 235             avctx_dec->height =
 236             avctx_enc->height = height + BLOCK;
 237             avctx_enc->time_base= (AVRational){1,25};  // meaningless
 238             avctx_enc->gop_size = 300;
 239             avctx_enc->max_b_frames= 0;
 240             avctx_enc->pix_fmt = PIX_FMT_YUV420P;
 241             avctx_enc->flags = CODEC_FLAG_QSCALE | CODEC_FLAG_LOW_DELAY;
 242             avctx_enc->strict_std_compliance = FF_COMPLIANCE_EXPERIMENTAL;
 243             avcodec_open(avctx_enc, enc);
 244             avcodec_open(vf->priv->avctx_dec[i], dec);
 245
 246         }
 247         vf->priv->frame= avcodec_alloc_frame();
 248         vf->priv->frame_dec= avcodec_alloc_frame();
 249
 250         vf->priv->outbuf_size= (width + BLOCK)*(height + BLOCK)*10;
 251         vf->priv->outbuf= malloc(vf->priv->outbuf_size);
 252
 253         return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt);
 254 }
 255
 256 static void get_image(struct vf_instance_s* vf, mp_image_t *mpi){
 257     if(mpi->flags&MP_IMGFLAG_PRESERVE) return; // don't change
 258     // ok, we can do pp in-place (or pp disabled):
 259     vf->dmpi=vf_get_image(vf->next,mpi->imgfmt,
 260         mpi->type, mpi->flags | MP_IMGFLAG_READABLE, mpi->width, mpi->height);
 261     mpi->planes[0]=vf->dmpi->planes[0];
 262     mpi->stride[0]=vf->dmpi->stride[0];
 263     mpi->width=vf->dmpi->width;
 264     if(mpi->flags&MP_IMGFLAG_PLANAR){
 265         mpi->planes[1]=vf->dmpi->planes[1];
 266         mpi->planes[2]=vf->dmpi->planes[2];
 267         mpi->stride[1]=vf->dmpi->stride[1];
 268         mpi->stride[2]=vf->dmpi->stride[2];
 269     }
 270     mpi->flags|=MP_IMGFLAG_DIRECT;
 271 }
 272
 273 static int put_image(struct vf_instance_s* vf, mp_image_t *mpi, double pts){
 274     mp_image_t *dmpi;
 275
 276     if(!(mpi->flags&MP_IMGFLAG_DIRECT)){
 277         // no DR, so get a new image! hope we'll get DR buffer:
 278         dmpi=vf_get_image(vf->next,mpi->imgfmt,
 279             MP_IMGTYPE_TEMP,
 280             MP_IMGFLAG_ACCEPT_STRIDE|MP_IMGFLAG_PREFER_ALIGNED_STRIDE,
 281             mpi->width,mpi->height);
 282         vf_clone_mpi_attributes(dmpi, mpi);
 283     }else{
 284         dmpi=vf->dmpi;
 285     }
 286
 287     vf->priv->mpeg2= mpi->qscale_type;
 288     if(vf->priv->log2_count || !(mpi->flags&MP_IMGFLAG_DIRECT)){
 289         if(mpi->qscale || vf->priv->qp){
 290             filter(vf->priv, dmpi->planes, mpi->planes, dmpi->stride, mpi->stride, mpi->w, mpi->h, mpi->qscale, mpi->qstride);
 291         }else{
 292             memcpy_pic(dmpi->planes[0], mpi->planes[0], mpi->w, mpi->h, dmpi->stride[0], mpi->stride[0]);
 293             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]);
 294             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]);
 295         }
 296     }
 297
 298 #ifdef HAVE_MMX
 299     if(gCpuCaps.hasMMX) asm volatile ("emms\n\t");
 300 #endif
 301 #ifdef HAVE_MMX2
 302     if(gCpuCaps.hasMMX2) asm volatile ("sfence\n\t");
 303 #endif
 304
 305     return vf_next_put_image(vf,dmpi, pts);
 306 }
 307
 308 static void uninit(struct vf_instance_s* vf){
 309     int i;
 310     if(!vf->priv) return;
 311
 312     for(i=0; i<3; i++){
 313         if(vf->priv->temp[i]) free(vf->priv->temp[i]);
 314         vf->priv->temp[i]= NULL;
 315         if(vf->priv->src[i]) free(vf->priv->src[i]);
 316         vf->priv->src[i]= NULL;
 317     }
 318     for(i=0; i<BLOCK*BLOCK; i++){
 319         av_freep(&vf->priv->avctx_enc[i]);
 320         av_freep(&vf->priv->avctx_dec[i]);
 321     }
 322
 323     free(vf->priv);
 324     vf->priv=NULL;
 325 }
 326
 327 //===========================================================================//
 328 static int query_format(struct vf_instance_s* vf, unsigned int fmt){
 329     switch(fmt){
 330         case IMGFMT_YV12:
 331         case IMGFMT_I420:
 332         case IMGFMT_IYUV:
 333         case IMGFMT_Y800:
 334         case IMGFMT_Y8:
 335             return vf_next_query_format(vf,fmt);
 336     }
 337     return 0;
 338 }
 339
 340 static unsigned int fmt_list[]={
 341         IMGFMT_YV12,
 342         IMGFMT_I420,
 343         IMGFMT_IYUV,
 344         IMGFMT_Y800,
 345         IMGFMT_Y8,
 346         0
 347 };
 348
 349 static int control(struct vf_instance_s* vf, int request, void* data){
 350     switch(request){
 351     case VFCTRL_QUERY_MAX_PP_LEVEL:
 352         return 8;
 353     case VFCTRL_SET_PP_LEVEL:
 354         vf->priv->log2_count= *((unsigned int*)data);
 355         //FIXME we have to realloc a few things here
 356         return CONTROL_TRUE;
 357     }
 358     return vf_next_control(vf,request,data);
 359 }
 360
 361 static int open(vf_instance_t *vf, char* args){
 362
 363     int log2c=-1;
 364
 365     vf->config=config;
 366     vf->put_image=put_image;
 367     vf->get_image=get_image;
 368     vf->query_format=query_format;
 369     vf->uninit=uninit;
 370     vf->control= control;
 371     vf->priv=malloc(sizeof(struct vf_priv_s));
 372     memset(vf->priv, 0, sizeof(struct vf_priv_s));
 373
 374     avcodec_init();
 375     avcodec_register_all();
 376
 377     vf->priv->log2_count= 4;
 378
 379     if (args) sscanf(args, "%d:%d:%d", &log2c, &vf->priv->qp, &vf->priv->mode);
 380
 381     if( log2c >=0 && log2c <=8 )
 382         vf->priv->log2_count = log2c;
 383
 384     if(vf->priv->qp < 0)
 385         vf->priv->qp = 0;
 386
 387 // #ifdef HAVE_MMX
 388 //     if(gCpuCaps.hasMMX){
 389 //      store_slice= store_slice_mmx;
 390 //     }
 391 // #endif
 392
 393     return 1;
 394 }
 395
 396 vf_info_t vf_info_uspp = {
 397     "ultra simple/slow postprocess",
 398     "uspp",
 399     "Michael Niedermayer",
 400     "",
 401     open,
 402     NULL
 403 };