2 * Copyright (C) 2002 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.
30 #include "img_format.h"
34 //===========================================================================//
39 #define MAX(a,b) ((a) > (b) ? (a) : (b))
40 #define MIN(a,b) ((a) < (b) ? (a) : (b))
41 #define ABS(a,b) ((a) > 0 ? (a) : -(a))
50 static int config(struct vf_instance
* vf
,
51 int width
, int height
, int d_width
, int d_height
,
52 unsigned int flags
, unsigned int outfmt
){
54 if(vf_next_query_format(vf
,IMGFMT_YV12
)<=0){
55 mp_tmsg(MSGT_VFILTER
, MSGL_WARN
, MSGTR_MPCODECS_WarnNextFilterDoesntSupport
, "YV12");
59 //hmm whats the meaning of these ... ;)
60 d_width
= width
= WIDTH
;
61 d_height
= height
= HEIGHT
;
63 return vf_next_config(vf
,width
,height
,d_width
,d_height
,flags
,IMGFMT_YV12
);
68 static void initIdct(void)
74 double s
= i
==0 ? sqrt(0.125) : 0.5;
78 c
[i
*8+j
]= s
*cos((3.141592654/8.0)*i
*(j
+0.5));
83 static void idct(uint8_t *dst
, int dstStride
, int src
[64])
95 sum
+= c
[k
*8+j
]*src
[8*i
+k
];
109 sum
+= c
[k
*8+i
]*tmp
[8*k
+j
];
111 v
= (int)floor(sum
+0.5);
113 else if(v
>255) v
=255;
115 dst
[dstStride
*i
+ j
] = v
;
120 static void drawDc(uint8_t *dst
, int stride
, int color
, int w
, int h
)
128 dst
[x
+ y
*stride
]= color
;
133 static void drawBasis(uint8_t *dst
, int stride
, int amp
, int freq
, int dc
)
137 memset(src
, 0, 64*sizeof(int));
139 if(amp
) src
[freq
]= amp
;
140 idct(dst
, stride
, src
);
143 static void drawCbp(uint8_t *dst
[3], int stride
[3], int cbp
, int amp
, int dc
)
145 if(cbp
&1) drawBasis(dst
[0] , stride
[0], amp
, 1, dc
);
146 if(cbp
&2) drawBasis(dst
[0]+8 , stride
[0], amp
, 1, dc
);
147 if(cbp
&4) drawBasis(dst
[0]+ 8*stride
[0], stride
[0], amp
, 1, dc
);
148 if(cbp
&8) drawBasis(dst
[0]+8+8*stride
[0], stride
[0], amp
, 1, dc
);
149 if(cbp
&16)drawBasis(dst
[1] , stride
[1], amp
, 1, dc
);
150 if(cbp
&32)drawBasis(dst
[2] , stride
[2], amp
, 1, dc
);
153 static void dc1Test(uint8_t *dst
, int stride
, int w
, int h
, int off
)
155 const int step
= MAX(256/(w
*h
/256), 1);
163 drawDc(dst
+ x
+ y
*stride
, stride
, color
, 8, 8);
169 static void freq1Test(uint8_t *dst
, int stride
, int off
)
173 for(y
=0; y
<8*16; y
+=16)
176 for(x
=0; x
<8*16; x
+=16)
178 drawBasis(dst
+ x
+ y
*stride
, stride
, 4*(96+off
), freq
, 128*8);
184 static void amp1Test(uint8_t *dst
, int stride
, int off
)
188 for(y
=0; y
<16*16; y
+=16)
191 for(x
=0; x
<16*16; x
+=16)
193 drawBasis(dst
+ x
+ y
*stride
, stride
, 4*(amp
), 1, 128*8);
199 static void cbp1Test(uint8_t *dst
[3], int stride
[3], int off
)
203 for(y
=0; y
<16*8; y
+=16)
206 for(x
=0; x
<16*8; x
+=16)
209 dst1
[0]= dst
[0] + x
*2 + y
*2*stride
[0];
210 dst1
[1]= dst
[1] + x
+ y
*stride
[1];
211 dst1
[2]= dst
[2] + x
+ y
*stride
[2];
213 drawCbp(dst1
, stride
, cbp
, (64+off
)*4, 128*8);
219 static void mv1Test(uint8_t *dst
, int stride
, int off
)
222 for(y
=0; y
<16*16; y
++)
226 for(x
=0; x
<16*16; x
++)
228 dst
[x
+ y
*stride
]= x
+ off
*8/(y
/32+1);
233 static void ring1Test(uint8_t *dst
, int stride
, int off
)
237 for(y
=off
; y
<16*16; y
+=16)
240 for(x
=off
; x
<16*16; x
+=16)
242 drawDc(dst
+ x
+ y
*stride
, stride
, ((x
+y
)&16) ? color
: -color
, 16, 16);
243 // dst[x + y*stride]= 255 + (off&1);
249 static void ring2Test(uint8_t *dst
, int stride
, int off
)
252 for(y
=0; y
<16*16; y
++)
255 for(x
=0; x
<16*16; x
++)
257 double d
= sqrt((x
-8*16)*(x
-8*16) + (y
-8*16)*(y
-8*16));
258 double r
= d
/20 - (int)(d
/20);
261 dst
[x
+ y
*stride
]= 255;
262 dst
[x
+ y
*stride
+256]= 0;
265 dst
[x
+ y
*stride
]= x
;
266 dst
[x
+ y
*stride
+256]= x
;
272 static int put_image(struct vf_instance
* vf
, mp_image_t
*mpi
, double pts
){
274 int frame
= vf
->priv
->frame_num
;
276 // hope we'll get DR buffer:
277 dmpi
=vf_get_image(vf
->next
,IMGFMT_YV12
,
278 MP_IMGTYPE_TEMP
, MP_IMGFLAG_ACCEPT_STRIDE
,
282 memset(dmpi
->planes
[0], 0, dmpi
->stride
[0]*dmpi
->h
);
283 memset(dmpi
->planes
[1], 128, dmpi
->stride
[1]*dmpi
->h
>>dmpi
->chroma_y_shift
);
284 memset(dmpi
->planes
[2], 128, dmpi
->stride
[2]*dmpi
->h
>>dmpi
->chroma_y_shift
);
290 case 0: dc1Test(dmpi
->planes
[0], dmpi
->stride
[0], 256, 256, frame
%30); break;
291 case 1: dc1Test(dmpi
->planes
[1], dmpi
->stride
[1], 256, 256, frame
%30); break;
292 case 2: freq1Test(dmpi
->planes
[0], dmpi
->stride
[0], frame
%30); break;
293 case 3: freq1Test(dmpi
->planes
[1], dmpi
->stride
[1], frame
%30); break;
294 case 4: amp1Test(dmpi
->planes
[0], dmpi
->stride
[0], frame
%30); break;
295 case 5: amp1Test(dmpi
->planes
[1], dmpi
->stride
[1], frame
%30); break;
296 case 6: cbp1Test(dmpi
->planes
, dmpi
->stride
, frame
%30); break;
297 case 7: mv1Test(dmpi
->planes
[0], dmpi
->stride
[0], frame
%30); break;
298 case 8: ring1Test(dmpi
->planes
[0], dmpi
->stride
[0], frame
%30); break;
299 case 9: ring2Test(dmpi
->planes
[0], dmpi
->stride
[0], frame
%30); break;
304 vf
->priv
->frame_num
= frame
;
305 return vf_next_put_image(vf
,dmpi
, pts
);
308 //===========================================================================//
310 static int query_format(struct vf_instance
* vf
, unsigned int fmt
){
311 return vf_next_query_format(vf
,IMGFMT_YV12
) & (~VFCAP_CSP_SUPPORTED_BY_HW
);
314 static int open(vf_instance_t
*vf
, char* args
){
316 vf
->put_image
=put_image
;
317 vf
->query_format
=query_format
;
318 vf
->priv
=malloc(sizeof(struct vf_priv_s
));
319 vf
->priv
->frame_num
= args
? atoi(args
) : 0;
324 const vf_info_t vf_info_test
= {
325 "test pattern generator",
327 "Michael Niedermayer",
333 //===========================================================================//