2 * Copyright (C) 2001-2003 Michael Niedermayer (michaelni@gmx.at)
4 * AltiVec optimizations (C) 2004 Romain Dolbeau <romain@dolbeau.org>
6 * This file is part of FFmpeg.
8 * FFmpeg is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
29 C MMX MMX2 3DNow AltiVec
31 isVertMinMaxOk Ec Ec Ec
32 doVertLowPass E e e Ec
33 doVertDefFilter Ec Ec e e Ec
35 isHorizMinMaxOk a E Ec
36 doHorizLowPass E e e Ec
37 doHorizDefFilter Ec Ec e e Ec
38 do_a_deblock Ec E Ec E
40 Vertical RKAlgo1 E a a
41 Horizontal RKAlgo1 a a
44 LinIpolDeinterlace e E E*
45 CubicIpolDeinterlace a e e*
46 LinBlendDeinterlace e E E*
47 MedianDeinterlace# E Ec Ec
48 TempDeNoiser# E e e Ec
50 * I do not have a 3DNow! CPU -> it is untested, but no one said it does not work so it seems to work
51 # more or less selfinvented filters so the exactness is not too meaningful
52 E = Exact implementation
53 e = almost exact implementation (slightly different rounding,...)
54 a = alternative / approximate impl
55 c = checked against the other implementations (-vo md5)
56 p = partially optimized, still some work to do
61 reduce the time wasted on the mem transfer
62 unroll stuff if instructions depend too much on the prior one
63 move YScale thing to the end instead of fixing QP
64 write a faster and higher quality deblocking filter :)
65 make the mainloop more flexible (variable number of blocks at once
66 (the if/else stuff per block is slowing things down)
67 compare the quality & speed of all filters
70 try to unroll inner for(x=0 ... loop to avoid these damn if(x ... checks
74 //Changelog: use git log
77 #include "libavutil/avutil.h"
78 #include "libavutil/avassert.h"
84 //#define HAVE_AMD3DNOW
87 //#define DEBUG_BRIGHTNESS
88 #include "postprocess.h"
89 #include "postprocess_internal.h"
90 #include "libavutil/avstring.h"
92 unsigned postproc_version(void)
94 av_assert0(LIBPOSTPROC_VERSION_MICRO >= 100);
95 return LIBPOSTPROC_VERSION_INT;
98 const char *postproc_configuration(void)
100 return FFMPEG_CONFIGURATION;
103 const char *postproc_license(void)
105 #define LICENSE_PREFIX "libpostproc license: "
106 return LICENSE_PREFIX FFMPEG_LICENSE + sizeof(LICENSE_PREFIX) - 1;
113 #define GET_MODE_BUFFER_SIZE 500
114 #define OPTIONS_ARRAY_SIZE 10
116 #define TEMP_STRIDE 8
117 //#define NUM_BLOCKS_AT_ONCE 16 //not used yet
120 DECLARE_ASM_CONST(8, uint64_t, w05)= 0x0005000500050005LL;
121 DECLARE_ASM_CONST(8, uint64_t, w04)= 0x0004000400040004LL;
122 DECLARE_ASM_CONST(8, uint64_t, w20)= 0x0020002000200020LL;
123 DECLARE_ASM_CONST(8, uint64_t, b00)= 0x0000000000000000LL;
124 DECLARE_ASM_CONST(8, uint64_t, b01)= 0x0101010101010101LL;
125 DECLARE_ASM_CONST(8, uint64_t, b02)= 0x0202020202020202LL;
126 DECLARE_ASM_CONST(8, uint64_t, b08)= 0x0808080808080808LL;
127 DECLARE_ASM_CONST(8, uint64_t, b80)= 0x8080808080808080LL;
130 DECLARE_ASM_CONST(8, int, deringThreshold)= 20;
133 static struct PPFilter filters[]=
135 {"hb", "hdeblock", 1, 1, 3, H_DEBLOCK},
136 {"vb", "vdeblock", 1, 2, 4, V_DEBLOCK},
137 /* {"hr", "rkhdeblock", 1, 1, 3, H_RK1_FILTER},
138 {"vr", "rkvdeblock", 1, 2, 4, V_RK1_FILTER},*/
139 {"h1", "x1hdeblock", 1, 1, 3, H_X1_FILTER},
140 {"v1", "x1vdeblock", 1, 2, 4, V_X1_FILTER},
141 {"ha", "ahdeblock", 1, 1, 3, H_A_DEBLOCK},
142 {"va", "avdeblock", 1, 2, 4, V_A_DEBLOCK},
143 {"dr", "dering", 1, 5, 6, DERING},
144 {"al", "autolevels", 0, 1, 2, LEVEL_FIX},
145 {"lb", "linblenddeint", 1, 1, 4, LINEAR_BLEND_DEINT_FILTER},
146 {"li", "linipoldeint", 1, 1, 4, LINEAR_IPOL_DEINT_FILTER},
147 {"ci", "cubicipoldeint", 1, 1, 4, CUBIC_IPOL_DEINT_FILTER},
148 {"md", "mediandeint", 1, 1, 4, MEDIAN_DEINT_FILTER},
149 {"fd", "ffmpegdeint", 1, 1, 4, FFMPEG_DEINT_FILTER},
150 {"l5", "lowpass5", 1, 1, 4, LOWPASS5_DEINT_FILTER},
151 {"tn", "tmpnoise", 1, 7, 8, TEMP_NOISE_FILTER},
152 {"fq", "forcequant", 1, 0, 0, FORCE_QUANT},
153 {"be", "bitexact", 1, 0, 0, BITEXACT},
154 {NULL, NULL,0,0,0,0} //End Marker
157 static const char *replaceTable[]=
159 "default", "hb:a,vb:a,dr:a",
160 "de", "hb:a,vb:a,dr:a",
161 "fast", "h1:a,v1:a,dr:a",
162 "fa", "h1:a,v1:a,dr:a",
163 "ac", "ha:a:128:7,va:a,dr:a",
169 static inline void prefetchnta(void *p)
171 __asm__ volatile( "prefetchnta (%0)\n\t"
176 static inline void prefetcht0(void *p)
178 __asm__ volatile( "prefetcht0 (%0)\n\t"
183 static inline void prefetcht1(void *p)
185 __asm__ volatile( "prefetcht1 (%0)\n\t"
190 static inline void prefetcht2(void *p)
192 __asm__ volatile( "prefetcht2 (%0)\n\t"
198 /* The horizontal functions exist only in C because the MMX
199 * code is faster with vertical filters and transposing. */
202 * Check if the given 8x8 Block is mostly "flat"
204 static inline int isHorizDC_C(uint8_t src[], int stride, PPContext *c)
208 const int dcOffset= ((c->nonBQP*c->ppMode.baseDcDiff)>>8) + 1;
209 const int dcThreshold= dcOffset*2 + 1;
211 for(y=0; y<BLOCK_SIZE; y++){
212 if(((unsigned)(src[0] - src[1] + dcOffset)) < dcThreshold) numEq++;
213 if(((unsigned)(src[1] - src[2] + dcOffset)) < dcThreshold) numEq++;
214 if(((unsigned)(src[2] - src[3] + dcOffset)) < dcThreshold) numEq++;
215 if(((unsigned)(src[3] - src[4] + dcOffset)) < dcThreshold) numEq++;
216 if(((unsigned)(src[4] - src[5] + dcOffset)) < dcThreshold) numEq++;
217 if(((unsigned)(src[5] - src[6] + dcOffset)) < dcThreshold) numEq++;
218 if(((unsigned)(src[6] - src[7] + dcOffset)) < dcThreshold) numEq++;
221 return numEq > c->ppMode.flatnessThreshold;
225 * Check if the middle 8x8 Block in the given 8x16 block is flat
227 static inline int isVertDC_C(uint8_t src[], int stride, PPContext *c)
231 const int dcOffset= ((c->nonBQP*c->ppMode.baseDcDiff)>>8) + 1;
232 const int dcThreshold= dcOffset*2 + 1;
234 src+= stride*4; // src points to begin of the 8x8 Block
235 for(y=0; y<BLOCK_SIZE-1; y++){
236 if(((unsigned)(src[0] - src[0+stride] + dcOffset)) < dcThreshold) numEq++;
237 if(((unsigned)(src[1] - src[1+stride] + dcOffset)) < dcThreshold) numEq++;
238 if(((unsigned)(src[2] - src[2+stride] + dcOffset)) < dcThreshold) numEq++;
239 if(((unsigned)(src[3] - src[3+stride] + dcOffset)) < dcThreshold) numEq++;
240 if(((unsigned)(src[4] - src[4+stride] + dcOffset)) < dcThreshold) numEq++;
241 if(((unsigned)(src[5] - src[5+stride] + dcOffset)) < dcThreshold) numEq++;
242 if(((unsigned)(src[6] - src[6+stride] + dcOffset)) < dcThreshold) numEq++;
243 if(((unsigned)(src[7] - src[7+stride] + dcOffset)) < dcThreshold) numEq++;
246 return numEq > c->ppMode.flatnessThreshold;
249 static inline int isHorizMinMaxOk_C(uint8_t src[], int stride, int QP)
253 if((unsigned)(src[0] - src[5] + 2*QP) > 4*QP) return 0;
255 if((unsigned)(src[2] - src[7] + 2*QP) > 4*QP) return 0;
257 if((unsigned)(src[4] - src[1] + 2*QP) > 4*QP) return 0;
259 if((unsigned)(src[6] - src[3] + 2*QP) > 4*QP) return 0;
265 static inline int isVertMinMaxOk_C(uint8_t src[], int stride, int QP)
269 for(x=0; x<BLOCK_SIZE; x+=4){
270 if((unsigned)(src[ x + 0*stride] - src[ x + 5*stride] + 2*QP) > 4*QP) return 0;
271 if((unsigned)(src[1+x + 2*stride] - src[1+x + 7*stride] + 2*QP) > 4*QP) return 0;
272 if((unsigned)(src[2+x + 4*stride] - src[2+x + 1*stride] + 2*QP) > 4*QP) return 0;
273 if((unsigned)(src[3+x + 6*stride] - src[3+x + 3*stride] + 2*QP) > 4*QP) return 0;
278 static inline int horizClassify_C(uint8_t src[], int stride, PPContext *c)
280 if( isHorizDC_C(src, stride, c) ){
281 if( isHorizMinMaxOk_C(src, stride, c->QP) )
290 static inline int vertClassify_C(uint8_t src[], int stride, PPContext *c)
292 if( isVertDC_C(src, stride, c) ){
293 if( isVertMinMaxOk_C(src, stride, c->QP) )
302 static inline void doHorizDefFilter_C(uint8_t dst[], int stride, PPContext *c)
305 for(y=0; y<BLOCK_SIZE; y++){
306 const int middleEnergy= 5*(dst[4] - dst[3]) + 2*(dst[2] - dst[5]);
308 if(FFABS(middleEnergy) < 8*c->QP){
309 const int q=(dst[3] - dst[4])/2;
310 const int leftEnergy= 5*(dst[2] - dst[1]) + 2*(dst[0] - dst[3]);
311 const int rightEnergy= 5*(dst[6] - dst[5]) + 2*(dst[4] - dst[7]);
313 int d= FFABS(middleEnergy) - FFMIN( FFABS(leftEnergy), FFABS(rightEnergy) );
317 d*= FFSIGN(-middleEnergy);
338 * Do a horizontal low pass filter on the 10x8 block (dst points to middle 8x8 Block)
339 * using the 9-Tap Filter (1,1,2,2,4,2,2,1,1)/16 (C version)
341 static inline void doHorizLowPass_C(uint8_t dst[], int stride, PPContext *c)
344 for(y=0; y<BLOCK_SIZE; y++){
345 const int first= FFABS(dst[-1] - dst[0]) < c->QP ? dst[-1] : dst[0];
346 const int last= FFABS(dst[8] - dst[7]) < c->QP ? dst[8] : dst[7];
349 sums[0] = 4*first + dst[0] + dst[1] + dst[2] + 4;
350 sums[1] = sums[0] - first + dst[3];
351 sums[2] = sums[1] - first + dst[4];
352 sums[3] = sums[2] - first + dst[5];
353 sums[4] = sums[3] - first + dst[6];
354 sums[5] = sums[4] - dst[0] + dst[7];
355 sums[6] = sums[5] - dst[1] + last;
356 sums[7] = sums[6] - dst[2] + last;
357 sums[8] = sums[7] - dst[3] + last;
358 sums[9] = sums[8] - dst[4] + last;
360 dst[0]= (sums[0] + sums[2] + 2*dst[0])>>4;
361 dst[1]= (sums[1] + sums[3] + 2*dst[1])>>4;
362 dst[2]= (sums[2] + sums[4] + 2*dst[2])>>4;
363 dst[3]= (sums[3] + sums[5] + 2*dst[3])>>4;
364 dst[4]= (sums[4] + sums[6] + 2*dst[4])>>4;
365 dst[5]= (sums[5] + sums[7] + 2*dst[5])>>4;
366 dst[6]= (sums[6] + sums[8] + 2*dst[6])>>4;
367 dst[7]= (sums[7] + sums[9] + 2*dst[7])>>4;
374 * Experimental Filter 1 (Horizontal)
375 * will not damage linear gradients
376 * Flat blocks should look like they were passed through the (1,1,2,2,4,2,2,1,1) 9-Tap filter
377 * can only smooth blocks at the expected locations (it cannot smooth them if they did move)
378 * MMX2 version does correct clipping C version does not
379 * not identical with the vertical one
381 static inline void horizX1Filter(uint8_t *src, int stride, int QP)
384 static uint64_t *lut= NULL;
388 lut = av_malloc(256*8);
391 int v= i < 128 ? 2*i : 2*(i-256);
393 //Simulate 112242211 9-Tap filter
394 uint64_t a= (v/16) & 0xFF;
395 uint64_t b= (v/8) & 0xFF;
396 uint64_t c= (v/4) & 0xFF;
397 uint64_t d= (3*v/8) & 0xFF;
399 //Simulate piecewise linear interpolation
400 uint64_t a= (v/16) & 0xFF;
401 uint64_t b= (v*3/16) & 0xFF;
402 uint64_t c= (v*5/16) & 0xFF;
403 uint64_t d= (7*v/16) & 0xFF;
404 uint64_t A= (0x100 - a)&0xFF;
405 uint64_t B= (0x100 - b)&0xFF;
406 uint64_t C= (0x100 - c)&0xFF;
407 uint64_t D= (0x100 - c)&0xFF;
409 lut[i] = (a<<56) | (b<<48) | (c<<40) | (d<<32) |
410 (D<<24) | (C<<16) | (B<<8) | (A);
411 //lut[i] = (v<<32) | (v<<24);
415 for(y=0; y<BLOCK_SIZE; y++){
416 int a= src[1] - src[2];
417 int b= src[3] - src[4];
418 int c= src[5] - src[6];
420 int d= FFMAX(FFABS(b) - (FFABS(a) + FFABS(c))/2, 0);
423 int v = d * FFSIGN(-b);
437 * accurate deblock filter
439 static av_always_inline void do_a_deblock_C(uint8_t *src, int step, int stride, PPContext *c){
442 const int dcOffset= ((c->nonBQP*c->ppMode.baseDcDiff)>>8) + 1;
443 const int dcThreshold= dcOffset*2 + 1;
445 src+= step*4; // src points to begin of the 8x8 Block
449 if(((unsigned)(src[-1*step] - src[0*step] + dcOffset)) < dcThreshold) numEq++;
450 if(((unsigned)(src[ 0*step] - src[1*step] + dcOffset)) < dcThreshold) numEq++;
451 if(((unsigned)(src[ 1*step] - src[2*step] + dcOffset)) < dcThreshold) numEq++;
452 if(((unsigned)(src[ 2*step] - src[3*step] + dcOffset)) < dcThreshold) numEq++;
453 if(((unsigned)(src[ 3*step] - src[4*step] + dcOffset)) < dcThreshold) numEq++;
454 if(((unsigned)(src[ 4*step] - src[5*step] + dcOffset)) < dcThreshold) numEq++;
455 if(((unsigned)(src[ 5*step] - src[6*step] + dcOffset)) < dcThreshold) numEq++;
456 if(((unsigned)(src[ 6*step] - src[7*step] + dcOffset)) < dcThreshold) numEq++;
457 if(((unsigned)(src[ 7*step] - src[8*step] + dcOffset)) < dcThreshold) numEq++;
458 if(numEq > c->ppMode.flatnessThreshold){
461 if(src[0] > src[step]){
469 if(src[x*step] > src[(x+1)*step]){
470 if(src[x *step] > max) max= src[ x *step];
471 if(src[(x+1)*step] < min) min= src[(x+1)*step];
473 if(src[(x+1)*step] > max) max= src[(x+1)*step];
474 if(src[ x *step] < min) min= src[ x *step];
478 const int first= FFABS(src[-1*step] - src[0]) < QP ? src[-1*step] : src[0];
479 const int last= FFABS(src[8*step] - src[7*step]) < QP ? src[8*step] : src[7*step];
482 sums[0] = 4*first + src[0*step] + src[1*step] + src[2*step] + 4;
483 sums[1] = sums[0] - first + src[3*step];
484 sums[2] = sums[1] - first + src[4*step];
485 sums[3] = sums[2] - first + src[5*step];
486 sums[4] = sums[3] - first + src[6*step];
487 sums[5] = sums[4] - src[0*step] + src[7*step];
488 sums[6] = sums[5] - src[1*step] + last;
489 sums[7] = sums[6] - src[2*step] + last;
490 sums[8] = sums[7] - src[3*step] + last;
491 sums[9] = sums[8] - src[4*step] + last;
493 src[0*step]= (sums[0] + sums[2] + 2*src[0*step])>>4;
494 src[1*step]= (sums[1] + sums[3] + 2*src[1*step])>>4;
495 src[2*step]= (sums[2] + sums[4] + 2*src[2*step])>>4;
496 src[3*step]= (sums[3] + sums[5] + 2*src[3*step])>>4;
497 src[4*step]= (sums[4] + sums[6] + 2*src[4*step])>>4;
498 src[5*step]= (sums[5] + sums[7] + 2*src[5*step])>>4;
499 src[6*step]= (sums[6] + sums[8] + 2*src[6*step])>>4;
500 src[7*step]= (sums[7] + sums[9] + 2*src[7*step])>>4;
503 const int middleEnergy= 5*(src[4*step] - src[3*step]) + 2*(src[2*step] - src[5*step]);
505 if(FFABS(middleEnergy) < 8*QP){
506 const int q=(src[3*step] - src[4*step])/2;
507 const int leftEnergy= 5*(src[2*step] - src[1*step]) + 2*(src[0*step] - src[3*step]);
508 const int rightEnergy= 5*(src[6*step] - src[5*step]) + 2*(src[4*step] - src[7*step]);
510 int d= FFABS(middleEnergy) - FFMIN( FFABS(leftEnergy), FFABS(rightEnergy) );
514 d*= FFSIGN(-middleEnergy);
538 //Note: we have C, MMX, MMX2, 3DNOW version there is no 3DNOW+MMX2 one
540 //we always compile C for testing which needs bitexactness
544 #define COMPILE_ALTIVEC
545 #endif //HAVE_ALTIVEC
549 #if (HAVE_MMX && !HAVE_AMD3DNOW && !HAVE_MMX2) || CONFIG_RUNTIME_CPUDETECT
553 #if HAVE_MMX2 || CONFIG_RUNTIME_CPUDETECT
557 #if (HAVE_AMD3DNOW && !HAVE_MMX2) || CONFIG_RUNTIME_CPUDETECT
558 #define COMPILE_3DNOW
560 #endif /* ARCH_X86 */
567 #define HAVE_AMD3DNOW 0
569 #define HAVE_ALTIVEC 0
572 #define RENAME(a) a ## _C
573 #include "postprocess_template.c"
576 #ifdef COMPILE_ALTIVEC
579 #define HAVE_ALTIVEC 1
580 #define RENAME(a) a ## _altivec
581 #include "postprocess_altivec_template.c"
582 #include "postprocess_template.c"
590 #define RENAME(a) a ## _MMX
591 #include "postprocess_template.c"
601 #define RENAME(a) a ## _MMX2
602 #include "postprocess_template.c"
613 #define HAVE_AMD3DNOW 1
614 #define RENAME(a) a ## _3DNow
615 #include "postprocess_template.c"
618 // minor note: the HAVE_xyz is messed up after that line so do not use it.
620 static inline void postProcess(const uint8_t src[], int srcStride, uint8_t dst[], int dstStride, int width, int height,
621 const QP_STORE_T QPs[], int QPStride, int isColor, pp_mode *vm, pp_context *vc)
623 PPContext *c= (PPContext *)vc;
624 PPMode *ppMode= (PPMode *)vm;
625 c->ppMode= *ppMode; //FIXME
627 if(ppMode->lumMode & BITEXACT)
628 return postProcess_C(src, srcStride, dst, dstStride, width, height, QPs, QPStride, isColor, c);
630 // Using ifs here as they are faster than function pointers although the
631 // difference would not be measurable here but it is much better because
632 // someone might exchange the CPU whithout restarting MPlayer ;)
633 #if CONFIG_RUNTIME_CPUDETECT
635 // ordered per speed fastest first
636 if(c->cpuCaps & PP_CPU_CAPS_MMX2)
637 postProcess_MMX2(src, srcStride, dst, dstStride, width, height, QPs, QPStride, isColor, c);
638 else if(c->cpuCaps & PP_CPU_CAPS_3DNOW)
639 postProcess_3DNow(src, srcStride, dst, dstStride, width, height, QPs, QPStride, isColor, c);
640 else if(c->cpuCaps & PP_CPU_CAPS_MMX)
641 postProcess_MMX(src, srcStride, dst, dstStride, width, height, QPs, QPStride, isColor, c);
643 postProcess_C(src, srcStride, dst, dstStride, width, height, QPs, QPStride, isColor, c);
646 if(c->cpuCaps & PP_CPU_CAPS_ALTIVEC)
647 postProcess_altivec(src, srcStride, dst, dstStride, width, height, QPs, QPStride, isColor, c);
650 postProcess_C(src, srcStride, dst, dstStride, width, height, QPs, QPStride, isColor, c);
652 #else /* CONFIG_RUNTIME_CPUDETECT */
654 postProcess_MMX2(src, srcStride, dst, dstStride, width, height, QPs, QPStride, isColor, c);
656 postProcess_3DNow(src, srcStride, dst, dstStride, width, height, QPs, QPStride, isColor, c);
658 postProcess_MMX(src, srcStride, dst, dstStride, width, height, QPs, QPStride, isColor, c);
660 postProcess_altivec(src, srcStride, dst, dstStride, width, height, QPs, QPStride, isColor, c);
662 postProcess_C(src, srcStride, dst, dstStride, width, height, QPs, QPStride, isColor, c);
664 #endif /* !CONFIG_RUNTIME_CPUDETECT */
667 //static void postProcess(uint8_t src[], int srcStride, uint8_t dst[], int dstStride, int width, int height,
668 // QP_STORE_T QPs[], int QPStride, int isColor, struct PPMode *ppMode);
670 /* -pp Command line Help
672 #if LIBPOSTPROC_VERSION_INT < (52<<16)
673 const char *const pp_help=
675 const char pp_help[] =
677 "Available postprocessing filters:\n"
679 "short long name short long option Description\n"
680 "* * a autoq CPU power dependent enabler\n"
681 " c chrom chrominance filtering enabled\n"
682 " y nochrom chrominance filtering disabled\n"
683 " n noluma luma filtering disabled\n"
684 "hb hdeblock (2 threshold) horizontal deblocking filter\n"
685 " 1. difference factor: default=32, higher -> more deblocking\n"
686 " 2. flatness threshold: default=39, lower -> more deblocking\n"
687 " the h & v deblocking filters share these\n"
688 " so you can't set different thresholds for h / v\n"
689 "vb vdeblock (2 threshold) vertical deblocking filter\n"
690 "ha hadeblock (2 threshold) horizontal deblocking filter\n"
691 "va vadeblock (2 threshold) vertical deblocking filter\n"
692 "h1 x1hdeblock experimental h deblock filter 1\n"
693 "v1 x1vdeblock experimental v deblock filter 1\n"
694 "dr dering deringing filter\n"
695 "al autolevels automatic brightness / contrast\n"
696 " f fullyrange stretch luminance to (0..255)\n"
697 "lb linblenddeint linear blend deinterlacer\n"
698 "li linipoldeint linear interpolating deinterlace\n"
699 "ci cubicipoldeint cubic interpolating deinterlacer\n"
700 "md mediandeint median deinterlacer\n"
701 "fd ffmpegdeint ffmpeg deinterlacer\n"
702 "l5 lowpass5 FIR lowpass deinterlacer\n"
703 "de default hb:a,vb:a,dr:a\n"
704 "fa fast h1:a,v1:a,dr:a\n"
705 "ac ha:a:128:7,va:a,dr:a\n"
706 "tn tmpnoise (3 threshold) temporal noise reducer\n"
707 " 1. <= 2. <= 3. larger -> stronger filtering\n"
708 "fq forceQuant <quantizer> force quantizer\n"
710 "<filterName>[:<option>[:<option>...]][[,|/][-]<filterName>[:<option>...]]...\n"
711 "long form example:\n"
712 "vdeblock:autoq/hdeblock:autoq/linblenddeint default,-vdeblock\n"
713 "short form example:\n"
714 "vb:a/hb:a/lb de,-vb\n"
720 pp_mode *pp_get_mode_by_name_and_quality(const char *name, int quality)
722 char temp[GET_MODE_BUFFER_SIZE];
724 static const char filterDelimiters[] = ",/";
725 static const char optionDelimiters[] = ":";
726 struct PPMode *ppMode;
729 if (!strcmp(name, "help")) {
731 for (p = pp_help; strchr(p, '\n'); p = strchr(p, '\n') + 1) {
732 av_strlcpy(temp, p, FFMIN(sizeof(temp), strchr(p, '\n') - p + 2));
733 av_log(NULL, AV_LOG_INFO, "%s", temp);
738 ppMode= av_malloc(sizeof(PPMode));
741 ppMode->chromMode= 0;
742 ppMode->maxTmpNoise[0]= 700;
743 ppMode->maxTmpNoise[1]= 1500;
744 ppMode->maxTmpNoise[2]= 3000;
745 ppMode->maxAllowedY= 234;
746 ppMode->minAllowedY= 16;
747 ppMode->baseDcDiff= 256/8;
748 ppMode->flatnessThreshold= 56-16-1;
749 ppMode->maxClippedThreshold= 0.01;
752 memset(temp, 0, GET_MODE_BUFFER_SIZE);
753 av_strlcpy(temp, name, GET_MODE_BUFFER_SIZE - 1);
755 av_log(NULL, AV_LOG_DEBUG, "pp: %s\n", name);
759 int q= 1000000; //PP_QUALITY_MAX;
763 char *options[OPTIONS_ARRAY_SIZE];
766 int numOfUnknownOptions=0;
767 int enable=1; //does the user want us to enabled or disabled the filter
769 filterToken= strtok(p, filterDelimiters);
770 if(filterToken == NULL) break;
771 p+= strlen(filterToken) + 1; // p points to next filterToken
772 filterName= strtok(filterToken, optionDelimiters);
773 av_log(NULL, AV_LOG_DEBUG, "pp: %s::%s\n", filterToken, filterName);
775 if(*filterName == '-'){
780 for(;;){ //for all options
781 option= strtok(NULL, optionDelimiters);
782 if(option == NULL) break;
784 av_log(NULL, AV_LOG_DEBUG, "pp: option: %s\n", option);
785 if(!strcmp("autoq", option) || !strcmp("a", option)) q= quality;
786 else if(!strcmp("nochrom", option) || !strcmp("y", option)) chrom=0;
787 else if(!strcmp("chrom", option) || !strcmp("c", option)) chrom=1;
788 else if(!strcmp("noluma", option) || !strcmp("n", option)) luma=0;
790 options[numOfUnknownOptions] = option;
791 numOfUnknownOptions++;
793 if(numOfUnknownOptions >= OPTIONS_ARRAY_SIZE-1) break;
795 options[numOfUnknownOptions] = NULL;
797 /* replace stuff from the replace Table */
798 for(i=0; replaceTable[2*i]!=NULL; i++){
799 if(!strcmp(replaceTable[2*i], filterName)){
800 int newlen= strlen(replaceTable[2*i + 1]);
807 spaceLeft= p - temp + plen;
808 if(spaceLeft + newlen >= GET_MODE_BUFFER_SIZE - 1){
812 memmove(p + newlen, p, plen+1);
813 memcpy(p, replaceTable[2*i + 1], newlen);
818 for(i=0; filters[i].shortName!=NULL; i++){
819 if( !strcmp(filters[i].longName, filterName)
820 || !strcmp(filters[i].shortName, filterName)){
821 ppMode->lumMode &= ~filters[i].mask;
822 ppMode->chromMode &= ~filters[i].mask;
825 if(!enable) break; // user wants to disable it
827 if(q >= filters[i].minLumQuality && luma)
828 ppMode->lumMode|= filters[i].mask;
829 if(chrom==1 || (chrom==-1 && filters[i].chromDefault))
830 if(q >= filters[i].minChromQuality)
831 ppMode->chromMode|= filters[i].mask;
833 if(filters[i].mask == LEVEL_FIX){
835 ppMode->minAllowedY= 16;
836 ppMode->maxAllowedY= 234;
837 for(o=0; options[o]!=NULL; o++){
838 if( !strcmp(options[o],"fullyrange")
839 ||!strcmp(options[o],"f")){
840 ppMode->minAllowedY= 0;
841 ppMode->maxAllowedY= 255;
842 numOfUnknownOptions--;
846 else if(filters[i].mask == TEMP_NOISE_FILTER)
851 for(o=0; options[o]!=NULL; o++){
853 ppMode->maxTmpNoise[numOfNoises]=
854 strtol(options[o], &tail, 0);
855 if(tail!=options[o]){
857 numOfUnknownOptions--;
858 if(numOfNoises >= 3) break;
862 else if(filters[i].mask == V_DEBLOCK || filters[i].mask == H_DEBLOCK
863 || filters[i].mask == V_A_DEBLOCK || filters[i].mask == H_A_DEBLOCK){
866 for(o=0; options[o]!=NULL && o<2; o++){
868 int val= strtol(options[o], &tail, 0);
869 if(tail==options[o]) break;
871 numOfUnknownOptions--;
872 if(o==0) ppMode->baseDcDiff= val;
873 else ppMode->flatnessThreshold= val;
876 else if(filters[i].mask == FORCE_QUANT){
878 ppMode->forcedQuant= 15;
880 for(o=0; options[o]!=NULL && o<1; o++){
882 int val= strtol(options[o], &tail, 0);
883 if(tail==options[o]) break;
885 numOfUnknownOptions--;
886 ppMode->forcedQuant= val;
891 if(!filterNameOk) ppMode->error++;
892 ppMode->error += numOfUnknownOptions;
895 av_log(NULL, AV_LOG_DEBUG, "pp: lumMode=%X, chromMode=%X\n", ppMode->lumMode, ppMode->chromMode);
897 av_log(NULL, AV_LOG_ERROR, "%d errors in postprocess string \"%s\"\n", ppMode->error, name);
904 void pp_free_mode(pp_mode *mode){
908 static void reallocAlign(void **p, int alignment, int size){
910 *p= av_mallocz(size);
913 static void reallocBuffers(PPContext *c, int width, int height, int stride, int qpStride){
914 int mbWidth = (width+15)>>4;
915 int mbHeight= (height+15)>>4;
919 c->qpStride= qpStride;
921 reallocAlign((void **)&c->tempDst, 8, stride*24);
922 reallocAlign((void **)&c->tempSrc, 8, stride*24);
923 reallocAlign((void **)&c->tempBlocks, 8, 2*16*8);
924 reallocAlign((void **)&c->yHistogram, 8, 256*sizeof(uint64_t));
926 c->yHistogram[i]= width*height/64*15/256;
929 //Note: The +17*1024 is just there so I do not have to worry about r/w over the end.
930 reallocAlign((void **)&c->tempBlurred[i], 8, stride*mbHeight*16 + 17*1024);
931 reallocAlign((void **)&c->tempBlurredPast[i], 8, 256*((height+7)&(~7))/2 + 17*1024);//FIXME size
934 reallocAlign((void **)&c->deintTemp, 8, 2*width+32);
935 reallocAlign((void **)&c->nonBQPTable, 8, qpStride*mbHeight*sizeof(QP_STORE_T));
936 reallocAlign((void **)&c->stdQPTable, 8, qpStride*mbHeight*sizeof(QP_STORE_T));
937 reallocAlign((void **)&c->forcedQPTable, 8, mbWidth*sizeof(QP_STORE_T));
940 static const char * context_to_name(void * ptr) {
944 static const AVClass av_codec_context_class = { "Postproc", context_to_name, NULL };
946 pp_context *pp_get_context(int width, int height, int cpuCaps){
947 PPContext *c= av_malloc(sizeof(PPContext));
948 int stride= FFALIGN(width, 16); //assumed / will realloc if needed
949 int qpStride= (width+15)/16 + 2; //assumed / will realloc if needed
951 memset(c, 0, sizeof(PPContext));
952 c->av_class = &av_codec_context_class;
954 if(cpuCaps&PP_FORMAT){
955 c->hChromaSubSample= cpuCaps&0x3;
956 c->vChromaSubSample= (cpuCaps>>4)&0x3;
958 c->hChromaSubSample= 1;
959 c->vChromaSubSample= 1;
962 reallocBuffers(c, width, height, stride, qpStride);
969 void pp_free_context(void *vc){
970 PPContext *c = (PPContext*)vc;
973 for(i=0; i<3; i++) av_free(c->tempBlurred[i]);
974 for(i=0; i<3; i++) av_free(c->tempBlurredPast[i]);
976 av_free(c->tempBlocks);
977 av_free(c->yHistogram);
980 av_free(c->deintTemp);
981 av_free(c->stdQPTable);
982 av_free(c->nonBQPTable);
983 av_free(c->forcedQPTable);
985 memset(c, 0, sizeof(PPContext));
990 void pp_postprocess(const uint8_t * src[3], const int srcStride[3],
991 uint8_t * dst[3], const int dstStride[3],
992 int width, int height,
993 const QP_STORE_T *QP_store, int QPStride,
994 pp_mode *vm, void *vc, int pict_type)
996 int mbWidth = (width+15)>>4;
997 int mbHeight= (height+15)>>4;
998 PPMode *mode = (PPMode*)vm;
999 PPContext *c = (PPContext*)vc;
1000 int minStride= FFMAX(FFABS(srcStride[0]), FFABS(dstStride[0]));
1001 int absQPStride = FFABS(QPStride);
1003 // c->stride and c->QPStride are always positive
1004 if(c->stride < minStride || c->qpStride < absQPStride)
1005 reallocBuffers(c, width, height,
1006 FFMAX(minStride, c->stride),
1007 FFMAX(c->qpStride, absQPStride));
1009 if(QP_store==NULL || (mode->lumMode & FORCE_QUANT)){
1011 QP_store= c->forcedQPTable;
1012 absQPStride = QPStride = 0;
1013 if(mode->lumMode & FORCE_QUANT)
1014 for(i=0; i<mbWidth; i++) c->forcedQPTable[i]= mode->forcedQuant;
1016 for(i=0; i<mbWidth; i++) c->forcedQPTable[i]= 1;
1019 if(pict_type & PP_PICT_TYPE_QP2){
1021 const int count= mbHeight * absQPStride;
1022 for(i=0; i<(count>>2); i++){
1023 ((uint32_t*)c->stdQPTable)[i] = (((const uint32_t*)QP_store)[i]>>1) & 0x7F7F7F7F;
1025 for(i<<=2; i<count; i++){
1026 c->stdQPTable[i] = QP_store[i]>>1;
1028 QP_store= c->stdQPTable;
1029 QPStride= absQPStride;
1034 for(y=0; y<mbHeight; y++){
1035 for(x=0; x<mbWidth; x++){
1036 av_log(c, AV_LOG_INFO, "%2d ", QP_store[x + y*QPStride]);
1038 av_log(c, AV_LOG_INFO, "\n");
1040 av_log(c, AV_LOG_INFO, "\n");
1043 if((pict_type&7)!=3){
1046 const int count= mbHeight * QPStride;
1047 for(i=0; i<(count>>2); i++){
1048 ((uint32_t*)c->nonBQPTable)[i] = ((const uint32_t*)QP_store)[i] & 0x3F3F3F3F;
1050 for(i<<=2; i<count; i++){
1051 c->nonBQPTable[i] = QP_store[i] & 0x3F;
1055 for(i=0; i<mbHeight; i++) {
1056 for(j=0; j<absQPStride; j++) {
1057 c->nonBQPTable[i*absQPStride+j] = QP_store[i*QPStride+j] & 0x3F;
1063 av_log(c, AV_LOG_DEBUG, "using npp filters 0x%X/0x%X\n",
1064 mode->lumMode, mode->chromMode);
1066 postProcess(src[0], srcStride[0], dst[0], dstStride[0],
1067 width, height, QP_store, QPStride, 0, mode, c);
1069 width = (width )>>c->hChromaSubSample;
1070 height = (height)>>c->vChromaSubSample;
1072 if(mode->chromMode){
1073 postProcess(src[1], srcStride[1], dst[1], dstStride[1],
1074 width, height, QP_store, QPStride, 1, mode, c);
1075 postProcess(src[2], srcStride[2], dst[2], dstStride[2],
1076 width, height, QP_store, QPStride, 2, mode, c);
1078 else if(srcStride[1] == dstStride[1] && srcStride[2] == dstStride[2]){
1079 linecpy(dst[1], src[1], height, srcStride[1]);
1080 linecpy(dst[2], src[2], height, srcStride[2]);
1083 for(y=0; y<height; y++){
1084 memcpy(&(dst[1][y*dstStride[1]]), &(src[1][y*srcStride[1]]), width);
1085 memcpy(&(dst[2][y*dstStride[2]]), &(src[2][y*srcStride[2]]), width);