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