2 * Copyright (C) 2005 Michael Niedermayer <michaelni@gmx.at>
4 * This file is part of MPlayer.
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.
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.
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.
31 #include "cpudetect.h"
37 #include "img_format.h"
40 #include "libvo/fastmemcpy.h"
42 #define XMIN(a,b) ((a) < (b) ? (a) : (b))
43 #define XMAX(a,b) ((a) > (b) ? (a) : (b))
45 typedef short DCTELEM
;
47 //===========================================================================//
48 static const uint8_t __attribute__((aligned(8))) dither
[8][8]={
49 { 0, 48, 12, 60, 3, 51, 15, 63, },
50 { 32, 16, 44, 28, 35, 19, 47, 31, },
51 { 8, 56, 4, 52, 11, 59, 7, 55, },
52 { 40, 24, 36, 20, 43, 27, 39, 23, },
53 { 2, 50, 14, 62, 1, 49, 13, 61, },
54 { 34, 18, 46, 30, 33, 17, 45, 29, },
55 { 10, 58, 6, 54, 9, 57, 5, 53, },
56 { 42, 26, 38, 22, 41, 25, 37, 21, },
67 static inline void dct7_c(DCTELEM
*dst
, int s0
, int s1
, int s2
, int s3
, int step
){
70 //#define S0 (1024/0.37796447300922719759)
71 #define C0 ((int)(1024*0.37796447300922719759+0.5)) //sqrt(1/7)
72 #define C1 ((int)(1024*0.53452248382484879308/6+0.5)) //sqrt(2/7)/6
74 #define C2 ((int)(1024*0.45221175985034745004/2+0.5))
75 #define C3 ((int)(1024*0.36264567479870879474/2+0.5))
77 //0.1962505182412941918 0.0149276808419397944-0.2111781990832339584
78 #define C4 ((int)(1024*0.1962505182412941918+0.5))
79 #define C5 ((int)(1024*0.0149276808419397944+0.5))
80 //#define C6 ((int)(1024*0.2111781990832339584+0.5))
83 dst
[0*step
] = ((s
+ s3
)*C0
+ 512) >> 10;
84 s
= (s
- 6*s3
)*C1
+ 512;
85 d
= (s0
-s2
)*C4
+ (s1
-s2
)*C5
;
86 dst
[1*step
] = (s
+ 2*d
)>>10;
88 d
= (s1
-s0
)*C2
+ (s1
-s2
)*C3
;
89 dst
[2*step
] = (s
+ d
)>>10;
90 dst
[3*step
] = (s
- d
)>>10;
99 dst
[1*step
]= 2*s3
+ s2
;
100 dst
[3*step
]= s3
- 2*s2
;
106 dst2
[i
*step
/2] += src
[j
*step
] * cos(i
*M_PI
/n
*(j
+0.5)) * sqrt((i
?2.0:1.0)/n
);
107 if(fabs(dst2
[i
*step
/2] - dst
[i
*step
/2]) > 20)
108 printf("%d %d %d (%d %d %d %d) -> (%d %d %d %d)\n", i
,dst2
[i
*step
/2], dst
[i
*step
/2],src
[0*step
], src
[1*step
], src
[2*step
], src
[3*step
], dst
[0*step
], dst
[1*step
],dst
[2*step
],dst
[3*step
]);
114 static inline void dctA_c(DCTELEM
*dst
, uint8_t *src
, int stride
){
118 int s0
= src
[0*stride
] + src
[6*stride
];
119 int s1
= src
[1*stride
] + src
[5*stride
];
120 int s2
= src
[2*stride
] + src
[4*stride
];
121 int s3
= src
[3*stride
];
136 static void dctB_c(DCTELEM
*dst
, DCTELEM
*src
){
140 int s0
= src
[0*4] + src
[6*4];
141 int s1
= src
[1*4] + src
[5*4];
142 int s2
= src
[2*4] + src
[4*4];
159 static void dctB_mmx(DCTELEM
*dst
, DCTELEM
*src
){
161 "movq (%0), %%mm0 \n\t"
162 "movq 1*4*2(%0), %%mm1 \n\t"
163 "paddw 6*4*2(%0), %%mm0 \n\t"
164 "paddw 5*4*2(%0), %%mm1 \n\t"
165 "movq 2*4*2(%0), %%mm2 \n\t"
166 "movq 3*4*2(%0), %%mm3 \n\t"
167 "paddw 4*4*2(%0), %%mm2 \n\t"
168 "paddw %%mm3, %%mm3 \n\t" //s
169 "movq %%mm3, %%mm4 \n\t" //s
170 "psubw %%mm0, %%mm3 \n\t" //s-s0
171 "paddw %%mm0, %%mm4 \n\t" //s+s0
172 "movq %%mm2, %%mm0 \n\t" //s2
173 "psubw %%mm1, %%mm2 \n\t" //s2-s1
174 "paddw %%mm1, %%mm0 \n\t" //s2+s1
175 "movq %%mm4, %%mm1 \n\t" //s0'
176 "psubw %%mm0, %%mm4 \n\t" //s0'-s'
177 "paddw %%mm0, %%mm1 \n\t" //s0'+s'
178 "movq %%mm3, %%mm0 \n\t" //s3'
179 "psubw %%mm2, %%mm3 \n\t"
180 "psubw %%mm2, %%mm3 \n\t"
181 "paddw %%mm0, %%mm2 \n\t"
182 "paddw %%mm0, %%mm2 \n\t"
183 "movq %%mm1, (%1) \n\t"
184 "movq %%mm4, 2*4*2(%1) \n\t"
185 "movq %%mm2, 1*4*2(%1) \n\t"
186 "movq %%mm3, 3*4*2(%1) \n\t"
187 :: "r" (src
), "r"(dst
)
192 static void (*dctB
)(DCTELEM
*dst
, DCTELEM
*src
)= dctB_c
;
198 #define SN1 2.2360679775
199 #define SN2 3.16227766017
202 static const int factor
[16]={
203 N
/(N0
*N0
), N
/(N0
*N1
), N
/(N0
*N0
),N
/(N0
*N2
),
204 N
/(N1
*N0
), N
/(N1
*N1
), N
/(N1
*N0
),N
/(N1
*N2
),
205 N
/(N0
*N0
), N
/(N0
*N1
), N
/(N0
*N0
),N
/(N0
*N2
),
206 N
/(N2
*N0
), N
/(N2
*N1
), N
/(N2
*N0
),N
/(N2
*N2
),
209 static const int thres
[16]={
210 N
/(SN0
*SN0
), N
/(SN0
*SN2
), N
/(SN0
*SN0
),N
/(SN0
*SN2
),
211 N
/(SN2
*SN0
), N
/(SN2
*SN2
), N
/(SN2
*SN0
),N
/(SN2
*SN2
),
212 N
/(SN0
*SN0
), N
/(SN0
*SN2
), N
/(SN0
*SN0
),N
/(SN0
*SN2
),
213 N
/(SN2
*SN0
), N
/(SN2
*SN2
), N
/(SN2
*SN0
),N
/(SN2
*SN2
),
216 static int thres2
[99][16];
218 static void init_thres2(void){
222 for(qp
=0; qp
<99; qp
++){
224 thres2
[qp
][i
]= ((i
&1)?SN2
:SN0
) * ((i
&4)?SN2
:SN0
) * XMAX(1,qp
) * (1<<2) - 1 - bias
;
229 static int hardthresh_c(DCTELEM
*src
, int qp
){
233 a
= src
[0] * factor
[0];
235 unsigned int threshold1
= thres2
[qp
][i
];
236 unsigned int threshold2
= (threshold1
<<1);
238 if(((unsigned)(level
+threshold1
))>threshold2
){
239 a
+= level
* factor
[i
];
242 return (a
+ (1<<11))>>12;
245 static int mediumthresh_c(DCTELEM
*src
, int qp
){
249 a
= src
[0] * factor
[0];
251 unsigned int threshold1
= thres2
[qp
][i
];
252 unsigned int threshold2
= (threshold1
<<1);
254 if(((unsigned)(level
+threshold1
))>threshold2
){
255 if(((unsigned)(level
+2*threshold1
))>2*threshold2
){
256 a
+= level
* factor
[i
];
258 if(level
>0) a
+= 2*(level
- (int)threshold1
)*factor
[i
];
259 else a
+= 2*(level
+ (int)threshold1
)*factor
[i
];
263 return (a
+ (1<<11))>>12;
266 static int softthresh_c(DCTELEM
*src
, int qp
){
270 a
= src
[0] * factor
[0];
272 unsigned int threshold1
= thres2
[qp
][i
];
273 unsigned int threshold2
= (threshold1
<<1);
275 if(((unsigned)(level
+threshold1
))>threshold2
){
276 if(level
>0) a
+= (level
- (int)threshold1
)*factor
[i
];
277 else a
+= (level
+ (int)threshold1
)*factor
[i
];
280 return (a
+ (1<<11))>>12;
283 static int (*requantize
)(DCTELEM
*src
, int qp
)= hardthresh_c
;
285 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
){
287 const int stride
= is_luma
? p
->temp_stride
: ((width
+16+15)&(~15));
288 uint8_t *p_src
= p
->src
+ 8*stride
;
289 DCTELEM
*block
= p
->src
;
290 DCTELEM
*temp
= p
->src
+ 32;
292 if (!src
|| !dst
) return; // HACK avoid crash for Y8 colourspace
293 for(y
=0; y
<height
; y
++){
294 int index
= 8 + 8*stride
+ y
*stride
;
295 fast_memcpy(p_src
+ index
, src
+ y
*src_stride
, width
);
297 p_src
[index
- x
- 1]= p_src
[index
+ x
];
298 p_src
[index
+ width
+ x
]= p_src
[index
+ width
- x
- 1];
302 fast_memcpy(p_src
+ ( 7-y
)*stride
, p_src
+ ( y
+8)*stride
, stride
);
303 fast_memcpy(p_src
+ (height
+8+y
)*stride
, p_src
+ (height
-y
+7)*stride
, stride
);
305 //FIXME (try edge emu)
307 for(y
=0; y
<height
; y
++){
308 for(x
=-8; x
<0; x
+=4){
309 const int index
= x
+ y
*stride
+ (8-3)*(1+stride
) + 8; //FIXME silly offset
310 uint8_t *src
= p_src
+ index
;
311 DCTELEM
*tp
= temp
+4*x
;
313 dctA_c(tp
+4*8, src
, stride
);
316 const int qps
= 3 + is_luma
;
318 int end
= XMIN(x
+8, width
);
323 qp
= qp_store
[ (XMIN(x
, width
-1)>>qps
) + (XMIN(y
, height
-1)>>qps
) * qp_stride
];
327 const int index
= x
+ y
*stride
+ (8-3)*(1+stride
) + 8; //FIXME silly offset
328 uint8_t *src
= p_src
+ index
;
329 DCTELEM
*tp
= temp
+4*x
;
333 dctA_c(tp
+4*8, src
, stride
);
337 v
= requantize(block
, qp
);
338 v
= (v
+ dither
[y
&7][x
&7])>>6;
339 if((unsigned)v
> 255)
341 dst
[x
+ y
*dst_stride
]= v
;
347 static int config(struct vf_instance
* vf
,
348 int width
, int height
, int d_width
, int d_height
,
349 unsigned int flags
, unsigned int outfmt
){
350 int h
= (height
+16+15)&(~15);
352 vf
->priv
->temp_stride
= (width
+16+15)&(~15);
353 vf
->priv
->src
= memalign(8, vf
->priv
->temp_stride
*(h
+8)*sizeof(uint8_t));
355 return vf_next_config(vf
,width
,height
,d_width
,d_height
,flags
,outfmt
);
358 static void get_image(struct vf_instance
* vf
, mp_image_t
*mpi
){
359 if(mpi
->flags
&MP_IMGFLAG_PRESERVE
) return; // don't change
360 // ok, we can do pp in-place (or pp disabled):
361 vf
->dmpi
=vf_get_image(vf
->next
,mpi
->imgfmt
,
362 mpi
->type
, mpi
->flags
| MP_IMGFLAG_READABLE
, mpi
->width
, mpi
->height
);
363 mpi
->planes
[0]=vf
->dmpi
->planes
[0];
364 mpi
->stride
[0]=vf
->dmpi
->stride
[0];
365 mpi
->width
=vf
->dmpi
->width
;
366 if(mpi
->flags
&MP_IMGFLAG_PLANAR
){
367 mpi
->planes
[1]=vf
->dmpi
->planes
[1];
368 mpi
->planes
[2]=vf
->dmpi
->planes
[2];
369 mpi
->stride
[1]=vf
->dmpi
->stride
[1];
370 mpi
->stride
[2]=vf
->dmpi
->stride
[2];
372 mpi
->flags
|=MP_IMGFLAG_DIRECT
;
375 static int put_image(struct vf_instance
* vf
, mp_image_t
*mpi
, double pts
){
378 if(mpi
->flags
&MP_IMGFLAG_DIRECT
){
381 // no DR, so get a new image! hope we'll get DR buffer:
382 dmpi
=vf_get_image(vf
->next
,mpi
->imgfmt
,
384 MP_IMGFLAG_ACCEPT_STRIDE
|MP_IMGFLAG_PREFER_ALIGNED_STRIDE
,
385 mpi
->width
,mpi
->height
);
386 vf_clone_mpi_attributes(dmpi
, mpi
);
389 vf
->priv
->mpeg2
= mpi
->qscale_type
;
390 if(mpi
->qscale
|| vf
->priv
->qp
){
391 filter(vf
->priv
, dmpi
->planes
[0], mpi
->planes
[0], dmpi
->stride
[0], mpi
->stride
[0], mpi
->w
, mpi
->h
, mpi
->qscale
, mpi
->qstride
, 1);
392 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
, mpi
->qscale
, mpi
->qstride
, 0);
393 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
, mpi
->qscale
, mpi
->qstride
, 0);
395 memcpy_pic(dmpi
->planes
[0], mpi
->planes
[0], mpi
->w
, mpi
->h
, dmpi
->stride
[0], mpi
->stride
[0]);
396 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]);
397 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]);
401 if(gCpuCaps
.hasMMX
) __asm__
volatile ("emms\n\t");
404 if(gCpuCaps
.hasMMX2
) __asm__
volatile ("sfence\n\t");
407 return vf_next_put_image(vf
,dmpi
, pts
);
410 static void uninit(struct vf_instance
* vf
){
411 if(!vf
->priv
) return;
413 if(vf
->priv
->src
) free(vf
->priv
->src
);
420 //===========================================================================//
421 static int query_format(struct vf_instance
* vf
, unsigned int fmt
){
434 return vf_next_query_format(vf
,fmt
);
439 static int control(struct vf_instance
* vf
, int request
, void* data
){
440 return vf_next_control(vf
,request
,data
);
443 static int open(vf_instance_t
*vf
, char* args
){
445 vf
->put_image
=put_image
;
446 vf
->get_image
=get_image
;
447 vf
->query_format
=query_format
;
449 vf
->control
= control
;
450 vf
->priv
=malloc(sizeof(struct vf_priv_s
));
451 memset(vf
->priv
, 0, sizeof(struct vf_priv_s
));
453 if (args
) sscanf(args
, "%d:%d", &vf
->priv
->qp
, &vf
->priv
->mode
);
460 switch(vf
->priv
->mode
){
461 case 0: requantize
= hardthresh_c
; break;
462 case 1: requantize
= softthresh_c
; break;
464 case 2: requantize
= mediumthresh_c
; break;
474 switch(vf
->priv
->mode
){
475 case 0: requantize
= hardthresh_mmx
; break;
476 case 1: requantize
= softthresh_mmx
; break;
484 const vf_info_t vf_info_pp7
= {
487 "Michael Niedermayer",