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vf_spp.c
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1 /*
2  * Copyright (C) 2003 Michael Niedermayer <michaelni@gmx.at>
3  *
4  * This file is part of MPlayer.
5  *
6  * MPlayer is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * MPlayer is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License along
17  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19  */
20 
21 /*
22  * This implementation is based on an algorithm described in
23  * "Aria Nosratinia Embedded Post-Processing for
24  * Enhancement of Compressed Images (1999)"
25  * (http://citeseer.nj.nec.com/nosratinia99embedded.html)
26  */
27 
28 
29 #include <stdio.h>
30 #include <stdlib.h>
31 #include <string.h>
32 #include <inttypes.h>
33 #include <math.h>
34 
35 #include "config.h"
36 
37 #include "mp_msg.h"
38 #include "cpudetect.h"
39 
40 #include "libavutil/common.h"
41 #include "libavutil/internal.h"
42 #include "libavutil/intreadwrite.h"
43 #include "libavcodec/avcodec.h"
44 #include "libavcodec/dsputil.h"
45 
46 #undef fprintf
47 #undef free
48 #undef malloc
49 
50 #include "img_format.h"
51 #include "mp_image.h"
52 #include "vf.h"
53 #include "av_helpers.h"
54 #include "libvo/fastmemcpy.h"
55 
56 #define XMIN(a,b) ((a) < (b) ? (a) : (b))
57 
58 //===========================================================================//
59 static const uint8_t __attribute__((aligned(8))) dither[8][8]={
60 { 0, 48, 12, 60, 3, 51, 15, 63, },
61 { 32, 16, 44, 28, 35, 19, 47, 31, },
62 { 8, 56, 4, 52, 11, 59, 7, 55, },
63 { 40, 24, 36, 20, 43, 27, 39, 23, },
64 { 2, 50, 14, 62, 1, 49, 13, 61, },
65 { 34, 18, 46, 30, 33, 17, 45, 29, },
66 { 10, 58, 6, 54, 9, 57, 5, 53, },
67 { 42, 26, 38, 22, 41, 25, 37, 21, },
68 };
69 
70 static const uint8_t offset[127][2]= {
71 {0,0},
72 {0,0}, {4,4},
73 {0,0}, {2,2}, {6,4}, {4,6},
74 {0,0}, {5,1}, {2,2}, {7,3}, {4,4}, {1,5}, {6,6}, {3,7},
75 
76 {0,0}, {4,0}, {1,1}, {5,1}, {3,2}, {7,2}, {2,3}, {6,3},
77 {0,4}, {4,4}, {1,5}, {5,5}, {3,6}, {7,6}, {2,7}, {6,7},
78 
79 {0,0}, {0,2}, {0,4}, {0,6}, {1,1}, {1,3}, {1,5}, {1,7},
80 {2,0}, {2,2}, {2,4}, {2,6}, {3,1}, {3,3}, {3,5}, {3,7},
81 {4,0}, {4,2}, {4,4}, {4,6}, {5,1}, {5,3}, {5,5}, {5,7},
82 {6,0}, {6,2}, {6,4}, {6,6}, {7,1}, {7,3}, {7,5}, {7,7},
83 
84 {0,0}, {4,4}, {0,4}, {4,0}, {2,2}, {6,6}, {2,6}, {6,2},
85 {0,2}, {4,6}, {0,6}, {4,2}, {2,0}, {6,4}, {2,4}, {6,0},
86 {1,1}, {5,5}, {1,5}, {5,1}, {3,3}, {7,7}, {3,7}, {7,3},
87 {1,3}, {5,7}, {1,7}, {5,3}, {3,1}, {7,5}, {3,5}, {7,1},
88 {0,1}, {4,5}, {0,5}, {4,1}, {2,3}, {6,7}, {2,7}, {6,3},
89 {0,3}, {4,7}, {0,7}, {4,3}, {2,1}, {6,5}, {2,5}, {6,1},
90 {1,0}, {5,4}, {1,4}, {5,0}, {3,2}, {7,6}, {3,6}, {7,2},
91 {1,2}, {5,6}, {1,6}, {5,2}, {3,0}, {7,4}, {3,4}, {7,0},
92 };
93 
94 struct vf_priv_s {
95  int log2_count;
96  int qp;
97  int mode;
98  int mpeg2;
99  int temp_stride;
100  uint8_t *src;
101  int16_t *temp;
102  AVCodecContext *avctx;
103  DSPContext dsp;
104  char *non_b_qp;
105 };
106 
107 #define SHIFT 22
108 
109 static void hardthresh_c(int16_t dst[64], int16_t src[64], int qp, uint8_t *permutation){
110  int i;
111  int bias= 0; //FIXME
112  unsigned int threshold1, threshold2;
113 
114  threshold1= qp*((1<<4) - bias) - 1;
115  threshold2= (threshold1<<1);
116 
117  memset(dst, 0, 64*sizeof(int16_t));
118  dst[0]= (src[0] + 4)>>3;
119 
120  for(i=1; i<64; i++){
121  int level= src[i];
122  if(((unsigned)(level+threshold1))>threshold2){
123  const int j= permutation[i];
124  dst[j]= (level + 4)>>3;
125  }
126  }
127 }
128 
129 static void softthresh_c(int16_t dst[64], int16_t src[64], int qp, uint8_t *permutation){
130  int i;
131  int bias= 0; //FIXME
132  unsigned int threshold1, threshold2;
133 
134  threshold1= qp*((1<<4) - bias) - 1;
135  threshold2= (threshold1<<1);
136 
137  memset(dst, 0, 64*sizeof(int16_t));
138  dst[0]= (src[0] + 4)>>3;
139 
140  for(i=1; i<64; i++){
141  int level= src[i];
142  if(((unsigned)(level+threshold1))>threshold2){
143  const int j= permutation[i];
144  if(level>0)
145  dst[j]= (level - threshold1 + 4)>>3;
146  else
147  dst[j]= (level + threshold1 + 4)>>3;
148  }
149  }
150 }
151 
152 #if HAVE_MMX
153 static void hardthresh_mmx(int16_t dst[64], int16_t src[64], int qp, uint8_t *permutation){
154  int bias= 0; //FIXME
155  unsigned int threshold1;
156 
157  threshold1= qp*((1<<4) - bias) - 1;
158 
159  __asm__ volatile(
160 #define REQUANT_CORE(dst0, dst1, dst2, dst3, src0, src1, src2, src3) \
161  "movq " #src0 ", %%mm0 \n\t"\
162  "movq " #src1 ", %%mm1 \n\t"\
163  "movq " #src2 ", %%mm2 \n\t"\
164  "movq " #src3 ", %%mm3 \n\t"\
165  "psubw %%mm4, %%mm0 \n\t"\
166  "psubw %%mm4, %%mm1 \n\t"\
167  "psubw %%mm4, %%mm2 \n\t"\
168  "psubw %%mm4, %%mm3 \n\t"\
169  "paddusw %%mm5, %%mm0 \n\t"\
170  "paddusw %%mm5, %%mm1 \n\t"\
171  "paddusw %%mm5, %%mm2 \n\t"\
172  "paddusw %%mm5, %%mm3 \n\t"\
173  "paddw %%mm6, %%mm0 \n\t"\
174  "paddw %%mm6, %%mm1 \n\t"\
175  "paddw %%mm6, %%mm2 \n\t"\
176  "paddw %%mm6, %%mm3 \n\t"\
177  "psubusw %%mm6, %%mm0 \n\t"\
178  "psubusw %%mm6, %%mm1 \n\t"\
179  "psubusw %%mm6, %%mm2 \n\t"\
180  "psubusw %%mm6, %%mm3 \n\t"\
181  "psraw $3, %%mm0 \n\t"\
182  "psraw $3, %%mm1 \n\t"\
183  "psraw $3, %%mm2 \n\t"\
184  "psraw $3, %%mm3 \n\t"\
185 \
186  "movq %%mm0, %%mm7 \n\t"\
187  "punpcklwd %%mm2, %%mm0 \n\t" /*A*/\
188  "punpckhwd %%mm2, %%mm7 \n\t" /*C*/\
189  "movq %%mm1, %%mm2 \n\t"\
190  "punpcklwd %%mm3, %%mm1 \n\t" /*B*/\
191  "punpckhwd %%mm3, %%mm2 \n\t" /*D*/\
192  "movq %%mm0, %%mm3 \n\t"\
193  "punpcklwd %%mm1, %%mm0 \n\t" /*A*/\
194  "punpckhwd %%mm7, %%mm3 \n\t" /*C*/\
195  "punpcklwd %%mm2, %%mm7 \n\t" /*B*/\
196  "punpckhwd %%mm2, %%mm1 \n\t" /*D*/\
197 \
198  "movq %%mm0, " #dst0 " \n\t"\
199  "movq %%mm7, " #dst1 " \n\t"\
200  "movq %%mm3, " #dst2 " \n\t"\
201  "movq %%mm1, " #dst3 " \n\t"
202 
203  "movd %2, %%mm4 \n\t"
204  "movd %3, %%mm5 \n\t"
205  "movd %4, %%mm6 \n\t"
206  "packssdw %%mm4, %%mm4 \n\t"
207  "packssdw %%mm5, %%mm5 \n\t"
208  "packssdw %%mm6, %%mm6 \n\t"
209  "packssdw %%mm4, %%mm4 \n\t"
210  "packssdw %%mm5, %%mm5 \n\t"
211  "packssdw %%mm6, %%mm6 \n\t"
212  REQUANT_CORE( (%1), 8(%1), 16(%1), 24(%1), (%0), 8(%0), 64(%0), 72(%0))
213  REQUANT_CORE(32(%1), 40(%1), 48(%1), 56(%1),16(%0),24(%0), 48(%0), 56(%0))
214  REQUANT_CORE(64(%1), 72(%1), 80(%1), 88(%1),32(%0),40(%0), 96(%0),104(%0))
215  REQUANT_CORE(96(%1),104(%1),112(%1),120(%1),80(%0),88(%0),112(%0),120(%0))
216  : : "r" (src), "r" (dst), "g" (threshold1+1), "g" (threshold1+5), "g" (threshold1-4) //FIXME maybe more accurate then needed?
217  );
218  dst[0]= (src[0] + 4)>>3;
219 }
220 
221 static void softthresh_mmx(int16_t dst[64], int16_t src[64], int qp, uint8_t *permutation){
222  int bias= 0; //FIXME
223  unsigned int threshold1;
224 
225  threshold1= qp*((1<<4) - bias) - 1;
226 
227  __asm__ volatile(
228 #undef REQUANT_CORE
229 #define REQUANT_CORE(dst0, dst1, dst2, dst3, src0, src1, src2, src3) \
230  "movq " #src0 ", %%mm0 \n\t"\
231  "movq " #src1 ", %%mm1 \n\t"\
232  "pxor %%mm6, %%mm6 \n\t"\
233  "pxor %%mm7, %%mm7 \n\t"\
234  "pcmpgtw %%mm0, %%mm6 \n\t"\
235  "pcmpgtw %%mm1, %%mm7 \n\t"\
236  "pxor %%mm6, %%mm0 \n\t"\
237  "pxor %%mm7, %%mm1 \n\t"\
238  "psubusw %%mm4, %%mm0 \n\t"\
239  "psubusw %%mm4, %%mm1 \n\t"\
240  "pxor %%mm6, %%mm0 \n\t"\
241  "pxor %%mm7, %%mm1 \n\t"\
242  "movq " #src2 ", %%mm2 \n\t"\
243  "movq " #src3 ", %%mm3 \n\t"\
244  "pxor %%mm6, %%mm6 \n\t"\
245  "pxor %%mm7, %%mm7 \n\t"\
246  "pcmpgtw %%mm2, %%mm6 \n\t"\
247  "pcmpgtw %%mm3, %%mm7 \n\t"\
248  "pxor %%mm6, %%mm2 \n\t"\
249  "pxor %%mm7, %%mm3 \n\t"\
250  "psubusw %%mm4, %%mm2 \n\t"\
251  "psubusw %%mm4, %%mm3 \n\t"\
252  "pxor %%mm6, %%mm2 \n\t"\
253  "pxor %%mm7, %%mm3 \n\t"\
254 \
255  "paddsw %%mm5, %%mm0 \n\t"\
256  "paddsw %%mm5, %%mm1 \n\t"\
257  "paddsw %%mm5, %%mm2 \n\t"\
258  "paddsw %%mm5, %%mm3 \n\t"\
259  "psraw $3, %%mm0 \n\t"\
260  "psraw $3, %%mm1 \n\t"\
261  "psraw $3, %%mm2 \n\t"\
262  "psraw $3, %%mm3 \n\t"\
263 \
264  "movq %%mm0, %%mm7 \n\t"\
265  "punpcklwd %%mm2, %%mm0 \n\t" /*A*/\
266  "punpckhwd %%mm2, %%mm7 \n\t" /*C*/\
267  "movq %%mm1, %%mm2 \n\t"\
268  "punpcklwd %%mm3, %%mm1 \n\t" /*B*/\
269  "punpckhwd %%mm3, %%mm2 \n\t" /*D*/\
270  "movq %%mm0, %%mm3 \n\t"\
271  "punpcklwd %%mm1, %%mm0 \n\t" /*A*/\
272  "punpckhwd %%mm7, %%mm3 \n\t" /*C*/\
273  "punpcklwd %%mm2, %%mm7 \n\t" /*B*/\
274  "punpckhwd %%mm2, %%mm1 \n\t" /*D*/\
275 \
276  "movq %%mm0, " #dst0 " \n\t"\
277  "movq %%mm7, " #dst1 " \n\t"\
278  "movq %%mm3, " #dst2 " \n\t"\
279  "movq %%mm1, " #dst3 " \n\t"
280 
281  "movd %2, %%mm4 \n\t"
282  "movd %3, %%mm5 \n\t"
283  "packssdw %%mm4, %%mm4 \n\t"
284  "packssdw %%mm5, %%mm5 \n\t"
285  "packssdw %%mm4, %%mm4 \n\t"
286  "packssdw %%mm5, %%mm5 \n\t"
287  REQUANT_CORE( (%1), 8(%1), 16(%1), 24(%1), (%0), 8(%0), 64(%0), 72(%0))
288  REQUANT_CORE(32(%1), 40(%1), 48(%1), 56(%1),16(%0),24(%0), 48(%0), 56(%0))
289  REQUANT_CORE(64(%1), 72(%1), 80(%1), 88(%1),32(%0),40(%0), 96(%0),104(%0))
290  REQUANT_CORE(96(%1),104(%1),112(%1),120(%1),80(%0),88(%0),112(%0),120(%0))
291  : : "r" (src), "r" (dst), "g" (threshold1), "rm" (4) //FIXME maybe more accurate then needed?
292  );
293 
294  dst[0]= (src[0] + 4)>>3;
295 }
296 #endif
297 
298 static inline void add_block(int16_t *dst, int stride, int16_t block[64]){
299  int y;
300 
301  for(y=0; y<8; y++){
302  *(uint32_t*)&dst[0 + y*stride]+= *(uint32_t*)&block[0 + y*8];
303  *(uint32_t*)&dst[2 + y*stride]+= *(uint32_t*)&block[2 + y*8];
304  *(uint32_t*)&dst[4 + y*stride]+= *(uint32_t*)&block[4 + y*8];
305  *(uint32_t*)&dst[6 + y*stride]+= *(uint32_t*)&block[6 + y*8];
306  }
307 }
308 
309 static void store_slice_c(uint8_t *dst, int16_t *src, int dst_stride, int src_stride, int width, int height, int log2_scale){
310  int y, x;
311 
312 #define STORE(pos) \
313  temp= ((src[x + y*src_stride + pos]<<log2_scale) + d[pos])>>6;\
314  if(temp & 0x100) temp= ~(temp>>31);\
315  dst[x + y*dst_stride + pos]= temp;
316 
317  for(y=0; y<height; y++){
318  const uint8_t *d= dither[y];
319  for(x=0; x<width; x+=8){
320  int temp;
321  STORE(0);
322  STORE(1);
323  STORE(2);
324  STORE(3);
325  STORE(4);
326  STORE(5);
327  STORE(6);
328  STORE(7);
329  }
330  }
331 }
332 
333 #if HAVE_MMX
334 static void store_slice_mmx(uint8_t *dst, int16_t *src, int dst_stride, int src_stride, int width, int height, int log2_scale){
335  int y;
336 
337  for(y=0; y<height; y++){
338  uint8_t *dst1= dst;
339  int16_t *src1= src;
340  __asm__ volatile(
341  "movq (%3), %%mm3 \n\t"
342  "movq (%3), %%mm4 \n\t"
343  "movd %4, %%mm2 \n\t"
344  "pxor %%mm0, %%mm0 \n\t"
345  "punpcklbw %%mm0, %%mm3 \n\t"
346  "punpckhbw %%mm0, %%mm4 \n\t"
347  "psraw %%mm2, %%mm3 \n\t"
348  "psraw %%mm2, %%mm4 \n\t"
349  "movd %5, %%mm2 \n\t"
350  "1: \n\t"
351  "movq (%0), %%mm0 \n\t"
352  "movq 8(%0), %%mm1 \n\t"
353  "paddw %%mm3, %%mm0 \n\t"
354  "paddw %%mm4, %%mm1 \n\t"
355  "psraw %%mm2, %%mm0 \n\t"
356  "psraw %%mm2, %%mm1 \n\t"
357  "packuswb %%mm1, %%mm0 \n\t"
358  "movq %%mm0, (%1) \n\t"
359  "add $16, %0 \n\t"
360  "add $8, %1 \n\t"
361  "cmp %2, %1 \n\t"
362  " jb 1b \n\t"
363  : "+r" (src1), "+r"(dst1)
364  : "r"(dst + width), "r"(dither[y]), "g"(log2_scale), "g"(6-log2_scale)
365  );
366  src += src_stride;
367  dst += dst_stride;
368  }
369 // if(width != mmxw)
370 // store_slice_c(dst + mmxw, src + mmxw, dst_stride, src_stride, width - mmxw, log2_scale);
371 }
372 #endif
373 
374 static void (*store_slice)(uint8_t *dst, int16_t *src, int dst_stride, int src_stride, int width, int height, int log2_scale)= store_slice_c;
375 
376 static void (*requantize)(int16_t dst[64], int16_t src[64], int qp, uint8_t *permutation)= hardthresh_c;
377 
378 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){
379  int x, y, i;
380  const int count= 1<<p->log2_count;
381  const int stride= is_luma ? p->temp_stride : ((width+16+15)&(~15));
382  uint64_t __attribute__((aligned(16))) block_align[32];
383  int16_t *block = (int16_t *)block_align;
384  int16_t *block2= (int16_t *)(block_align+16);
385 
386  if (!src || !dst) return; // HACK avoid crash for Y8 colourspace
387  for(y=0; y<height; y++){
388  int index= 8 + 8*stride + y*stride;
389  fast_memcpy(p->src + index, src + y*src_stride, width);
390  for(x=0; x<8; x++){
391  p->src[index - x - 1]= p->src[index + x ];
392  p->src[index + width + x ]= p->src[index + width - x - 1];
393  }
394  }
395  for(y=0; y<8; y++){
396  fast_memcpy(p->src + ( 7-y)*stride, p->src + ( y+8)*stride, stride);
397  fast_memcpy(p->src + (height+8+y)*stride, p->src + (height-y+7)*stride, stride);
398  }
399  //FIXME (try edge emu)
400 
401  for(y=0; y<height+8; y+=8){
402  memset(p->temp + (8+y)*stride, 0, 8*stride*sizeof(int16_t));
403  for(x=0; x<width+8; x+=8){
404  const int qps= 3 + is_luma;
405  int qp;
406 
407  if(p->qp)
408  qp= p->qp;
409  else{
410  qp= qp_store[ (XMIN(x, width-1)>>qps) + (XMIN(y, height-1)>>qps) * qp_stride];
411  qp = FFMAX(1, norm_qscale(qp, p->mpeg2));
412  }
413  for(i=0; i<count; i++){
414  const int x1= x + offset[i+count-1][0];
415  const int y1= y + offset[i+count-1][1];
416  const int index= x1 + y1*stride;
417  p->dsp.get_pixels(block, p->src + index, stride);
418  p->dsp.fdct(block);
419  requantize(block2, block, qp, p->dsp.idct_permutation);
420  p->dsp.idct(block2);
421  add_block(p->temp + index, stride, block2);
422  }
423  }
424  if(y)
425  store_slice(dst + (y-8)*dst_stride, p->temp + 8 + y*stride, dst_stride, stride, width, XMIN(8, height+8-y), 6-p->log2_count);
426  }
427 #if 0
428  for(y=0; y<height; y++){
429  for(x=0; x<width; x++){
430  if((((x>>6) ^ (y>>6)) & 1) == 0)
431  dst[x + y*dst_stride]= p->src[8 + 8*stride + x + y*stride];
432  if((x&63) == 0 || (y&63)==0)
433  dst[x + y*dst_stride] += 128;
434  }
435  }
436 #endif
437  //FIXME reorder for better caching
438 }
439 
440 static int config(struct vf_instance *vf,
441  int width, int height, int d_width, int d_height,
442  unsigned int flags, unsigned int outfmt){
443  int h= (height+16+15)&(~15);
444 
445  vf->priv->temp_stride= (width+16+15)&(~15);
446  vf->priv->temp= malloc(vf->priv->temp_stride*h*sizeof(int16_t));
447  vf->priv->src = malloc(vf->priv->temp_stride*h*sizeof(uint8_t));
448 
449  return ff_vf_next_config(vf,width,height,d_width,d_height,flags,outfmt);
450 }
451 
452 static void get_image(struct vf_instance *vf, mp_image_t *mpi){
453  if(mpi->flags&MP_IMGFLAG_PRESERVE) return; // don't change
454  // ok, we can do pp in-place (or pp disabled):
455  vf->dmpi=ff_vf_get_image(vf->next,mpi->imgfmt,
456  mpi->type, mpi->flags | MP_IMGFLAG_READABLE, mpi->width, mpi->height);
457  mpi->planes[0]=vf->dmpi->planes[0];
458  mpi->stride[0]=vf->dmpi->stride[0];
459  mpi->width=vf->dmpi->width;
460  if(mpi->flags&MP_IMGFLAG_PLANAR){
461  mpi->planes[1]=vf->dmpi->planes[1];
462  mpi->planes[2]=vf->dmpi->planes[2];
463  mpi->stride[1]=vf->dmpi->stride[1];
464  mpi->stride[2]=vf->dmpi->stride[2];
465  }
466  mpi->flags|=MP_IMGFLAG_DIRECT;
467 }
468 
469 static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts){
470  mp_image_t *dmpi;
471 
472  if(!(mpi->flags&MP_IMGFLAG_DIRECT)){
473  // no DR, so get a new image! hope we'll get DR buffer:
474  dmpi=ff_vf_get_image(vf->next,mpi->imgfmt,
475  MP_IMGTYPE_TEMP,
476  MP_IMGFLAG_ACCEPT_STRIDE|MP_IMGFLAG_PREFER_ALIGNED_STRIDE,
477  mpi->width,mpi->height);
478  ff_vf_clone_mpi_attributes(dmpi, mpi);
479  }else{
480  dmpi=vf->dmpi;
481  }
482 
483  vf->priv->mpeg2= mpi->qscale_type;
484  if(mpi->pict_type != 3 && mpi->qscale && !vf->priv->qp){
485  int w = mpi->qstride;
486  int h = (mpi->h + 15) >> 4;
487  if (!w) {
488  w = (mpi->w + 15) >> 4;
489  h = 1;
490  }
491  if(!vf->priv->non_b_qp)
492  vf->priv->non_b_qp= malloc(w*h);
493  fast_memcpy(vf->priv->non_b_qp, mpi->qscale, w*h);
494  }
495  if(vf->priv->log2_count || !(mpi->flags&MP_IMGFLAG_DIRECT)){
496  char *qp_tab= vf->priv->non_b_qp;
497  if((vf->priv->mode&4) || !qp_tab)
498  qp_tab= mpi->qscale;
499 
500  if(qp_tab || vf->priv->qp){
501  filter(vf->priv, dmpi->planes[0], mpi->planes[0], dmpi->stride[0], mpi->stride[0], mpi->w, mpi->h, qp_tab, mpi->qstride, 1);
502  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, qp_tab, mpi->qstride, 0);
503  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, qp_tab, mpi->qstride, 0);
504  }else{
505  memcpy_pic(dmpi->planes[0], mpi->planes[0], mpi->w, mpi->h, dmpi->stride[0], mpi->stride[0]);
506  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]);
507  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]);
508  }
509  }
510 
511 #if HAVE_MMX
512  if(ff_gCpuCaps.hasMMX) __asm__ volatile ("emms\n\t");
513 #endif
514 #if HAVE_MMX2
515  if(ff_gCpuCaps.hasMMX2) __asm__ volatile ("sfence\n\t");
516 #endif
517 
518  return ff_vf_next_put_image(vf,dmpi, pts);
519 }
520 
521 static void uninit(struct vf_instance *vf){
522  if(!vf->priv) return;
523 
524  free(vf->priv->temp);
525  vf->priv->temp= NULL;
526  free(vf->priv->src);
527  vf->priv->src= NULL;
528  free(vf->priv->avctx);
529  vf->priv->avctx= NULL;
530  free(vf->priv->non_b_qp);
531  vf->priv->non_b_qp= NULL;
532 
533  free(vf->priv);
534  vf->priv=NULL;
535 }
536 
537 //===========================================================================//
538 static int query_format(struct vf_instance *vf, unsigned int fmt){
539  switch(fmt){
540  case IMGFMT_YVU9:
541  case IMGFMT_IF09:
542  case IMGFMT_YV12:
543  case IMGFMT_I420:
544  case IMGFMT_IYUV:
545  case IMGFMT_CLPL:
546  case IMGFMT_Y800:
547  case IMGFMT_Y8:
548  case IMGFMT_444P:
549  case IMGFMT_422P:
550  case IMGFMT_411P:
551  return ff_vf_next_query_format(vf,fmt);
552  }
553  return 0;
554 }
555 
556 static int control(struct vf_instance *vf, int request, void* data){
557  switch(request){
558  case VFCTRL_QUERY_MAX_PP_LEVEL:
559  return 6;
560  case VFCTRL_SET_PP_LEVEL:
561  vf->priv->log2_count= *((unsigned int*)data);
562  return CONTROL_TRUE;
563  }
564  return ff_vf_next_control(vf,request,data);
565 }
566 
567 static int vf_open(vf_instance_t *vf, char *args){
568 
569  int log2c=-1;
570 
571  vf->config=config;
572  vf->put_image=put_image;
573  vf->get_image=get_image;
574  vf->query_format=query_format;
575  vf->uninit=uninit;
576  vf->control= control;
577  vf->priv=malloc(sizeof(struct vf_priv_s));
578  memset(vf->priv, 0, sizeof(struct vf_priv_s));
579 
580  ff_init_avcodec();
581 
582  vf->priv->avctx= avcodec_alloc_context3(NULL);
583  ff_dsputil_init(&vf->priv->dsp, vf->priv->avctx);
584 
585  vf->priv->log2_count= 3;
586 
587  if (args) sscanf(args, "%d:%d:%d", &log2c, &vf->priv->qp, &vf->priv->mode);
588 
589  if( log2c >=0 && log2c <=6 )
590  vf->priv->log2_count = log2c;
591 
592  if(vf->priv->qp < 0)
593  vf->priv->qp = 0;
594 
595  switch(vf->priv->mode&3){
596  default:
597  case 0: requantize= hardthresh_c; break;
598  case 1: requantize= softthresh_c; break;
599  }
600 
601 #if HAVE_MMX
602  if(ff_gCpuCaps.hasMMX){
603  store_slice= store_slice_mmx;
604  switch(vf->priv->mode&3){
605  case 0: requantize= hardthresh_mmx; break;
606  case 1: requantize= softthresh_mmx; break;
607  }
608  }
609 #endif
610 
611  return 1;
612 }
613 
614 const vf_info_t ff_vf_info_spp = {
615  "simple postprocess",
616  "spp",
617  "Michael Niedermayer",
618  "",
619  vf_open,
620  NULL
621 };
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