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Contrib: upnp/win32, remove strerror use, and other small hacks...
[vlc/asuraparaju-public.git] / modules / video_filter / extract.c
blobd1d2e2acbce3b32ee33da250ba8176a831767843
1 /*****************************************************************************
2 * extract.c : Extract RGB components
3 *****************************************************************************
4 * Copyright (C) 2000-2006 the VideoLAN team
5 * $Id$
6 *
7 * Authors: Antoine Cellerier <dionoea .t videolan d@t org>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
23
24 /*****************************************************************************
25 * Preamble
26 *****************************************************************************/
27
28 #ifdef HAVE_CONFIG_H
29 # include "config.h"
30 #endif
31
32 #include <vlc_common.h>
33 #include <vlc_plugin.h>
34
35 #include <vlc_filter.h>
36 #include "filter_picture.h"
37
38 #include "math.h"
39
40 /*****************************************************************************
41 * Local prototypes
42 *****************************************************************************/
43 static int Create ( vlc_object_t * );
44 static void Destroy ( vlc_object_t * );
45
46 static picture_t *Filter( filter_t *, picture_t * );
47 static int ExtractCallback( vlc_object_t *, char const *,
48 vlc_value_t, vlc_value_t, void * );
49
50 static void get_red_from_yuv420( picture_t *, picture_t *, int, int, int );
51 static void get_green_from_yuv420( picture_t *, picture_t *, int, int, int );
52 static void get_blue_from_yuv420( picture_t *, picture_t *, int, int, int );
53 static void get_red_from_yuv422( picture_t *, picture_t *, int, int, int );
54 static void get_green_from_yuv422( picture_t *, picture_t *, int, int, int );
55 static void get_blue_from_yuv422( picture_t *, picture_t *, int, int, int );
56 static void make_projection_matrix( filter_t *, int color, int *matrix );
57 static void get_custom_from_yuv420( picture_t *, picture_t *, int, int, int, int * );
58 static void get_custom_from_yuv422( picture_t *, picture_t *, int, int, int, int * );
59 static void get_custom_from_packedyuv422( picture_t *, picture_t *, int * );
60
61
62 #define COMPONENT_TEXT N_("RGB component to extract")
63 #define COMPONENT_LONGTEXT N_("RGB component to extract. 0 for Red, 1 for Green and 2 for Blue.")
64 #define FILTER_PREFIX "extract-"
65
66 static const int pi_component_values[] = { 0xFF0000, 0x00FF00, 0x0000FF };
67 static const char *const ppsz_component_descriptions[] = {
68 "Red", "Green", "Blue" };
69
70 /*****************************************************************************
71 * Module descriptor
72 *****************************************************************************/
73 vlc_module_begin ()
74 set_description( N_("Extract RGB component video filter") )
75 set_shortname( N_("Extract" ))
76 set_category( CAT_VIDEO )
77 set_subcategory( SUBCAT_VIDEO_VFILTER )
78 set_capability( "video filter2", 0 )
79 add_shortcut( "extract" )
80
81 add_integer_with_range( FILTER_PREFIX "component", 0xFF0000, 1, 0xFFFFFF,
82 NULL, COMPONENT_TEXT, COMPONENT_LONGTEXT, false )
83 change_integer_list( pi_component_values, ppsz_component_descriptions, NULL )
84
85 set_callbacks( Create, Destroy )
86 vlc_module_end ()
87
88 static const char *const ppsz_filter_options[] = {
89 "component", NULL
90 };
91
92 enum { RED=0xFF0000, GREEN=0x00FF00, BLUE=0x0000FF };
93 struct filter_sys_t
94 {
95 vlc_mutex_t lock;
96 int *projection_matrix;
97 uint32_t i_color;
98 };
99
100 /*****************************************************************************
101 * Create
102 *****************************************************************************/
103 static int Create( vlc_object_t *p_this )
104 {
105 filter_t *p_filter = (filter_t *)p_this;
106
107 switch( p_filter->fmt_in.video.i_chroma )
108 {
109 case VLC_CODEC_I420:
110 case VLC_CODEC_J420:
111 case VLC_CODEC_YV12:
112
113 case VLC_CODEC_I422:
114 case VLC_CODEC_J422:
115
116 CASE_PACKED_YUV_422
117 break;
118
119 default:
120 /* We only want planar YUV 4:2:0 or 4:2:2 */
121 msg_Err( p_filter, "Unsupported input chroma (%4.4s)",
122 (char*)&(p_filter->fmt_in.video.i_chroma) );
123 return VLC_EGENERIC;
124 }
125
126 /* Allocate structure */
127 p_filter->p_sys = malloc( sizeof( filter_sys_t ) );
128 if( p_filter->p_sys == NULL )
129 return VLC_ENOMEM;
130 p_filter->p_sys->projection_matrix = malloc( 9 * sizeof( int ) );
131 if( !p_filter->p_sys->projection_matrix )
132 {
133 free( p_filter->p_sys );
134 return VLC_ENOMEM;
135 }
136
137 config_ChainParse( p_filter, FILTER_PREFIX, ppsz_filter_options,
138 p_filter->p_cfg );
139
140 p_filter->p_sys->i_color = var_CreateGetIntegerCommand( p_filter,
141 FILTER_PREFIX "component" );
142 /* Matrix won't be used for RED, GREEN or BLUE in planar formats */
143 make_projection_matrix( p_filter, p_filter->p_sys->i_color,
144 p_filter->p_sys->projection_matrix );
145 vlc_mutex_init( &p_filter->p_sys->lock );
146 var_AddCallback( p_filter, FILTER_PREFIX "component",
147 ExtractCallback, p_filter->p_sys );
148
149 p_filter->pf_video_filter = Filter;
150
151 return VLC_SUCCESS;
152 }
153
154 /*****************************************************************************
155 * Destroy
156 *****************************************************************************/
157 static void Destroy( vlc_object_t *p_this )
158 {
159 filter_t *p_filter = (filter_t *)p_this;
160 filter_sys_t *p_sys = p_filter->p_sys;
161
162 var_DelCallback( p_filter, FILTER_PREFIX "component", ExtractCallback,
163 p_sys );
164 vlc_mutex_destroy( &p_sys->lock );
165 free( p_sys->projection_matrix );
166 free( p_sys );
167 }
168
169 /*****************************************************************************
170 * Render
171 *****************************************************************************/
172 static picture_t *Filter( filter_t *p_filter, picture_t *p_pic )
173 {
174 picture_t *p_outpic;
175 filter_sys_t *p_sys = p_filter->p_sys;
176
177 if( !p_pic ) return NULL;
178
179 p_outpic = filter_NewPicture( p_filter );
180 if( !p_outpic )
181 {
182 picture_Release( p_pic );
183 return NULL;
184 }
185
186 vlc_mutex_lock( &p_sys->lock );
187 switch( p_pic->format.i_chroma )
188 {
189 case VLC_CODEC_I420:
190 case VLC_CODEC_J420:
191 case VLC_CODEC_YV12:
192 switch( p_sys->i_color )
193 {
194 case RED:
195 get_red_from_yuv420( p_pic, p_outpic,
196 Y_PLANE, U_PLANE, V_PLANE );
197 break;
198 case GREEN:
199 get_green_from_yuv420( p_pic, p_outpic,
200 Y_PLANE, U_PLANE, V_PLANE );
201 break;
202 case BLUE:
203 get_blue_from_yuv420( p_pic, p_outpic,
204 Y_PLANE, U_PLANE, V_PLANE );
205 break;
206 default:
207 get_custom_from_yuv420( p_pic, p_outpic,
208 Y_PLANE, U_PLANE, V_PLANE,
209 p_sys->projection_matrix);
210 break;
211 }
212 break;
213
214 case VLC_CODEC_I422:
215 case VLC_CODEC_J422:
216 switch( p_filter->p_sys->i_color )
217 {
218 case RED:
219 get_red_from_yuv422( p_pic, p_outpic,
220 Y_PLANE, U_PLANE, V_PLANE );
221 break;
222 case GREEN:
223 get_green_from_yuv422( p_pic, p_outpic,
224 Y_PLANE, U_PLANE, V_PLANE );
225 break;
226 case BLUE:
227 get_blue_from_yuv422( p_pic, p_outpic,
228 Y_PLANE, U_PLANE, V_PLANE );
229 break;
230 default:
231 get_custom_from_yuv422( p_pic, p_outpic,
232 Y_PLANE, U_PLANE, V_PLANE,
233 p_sys->projection_matrix);
234 break;
235 }
236 break;
237
238 CASE_PACKED_YUV_422
239 get_custom_from_packedyuv422( p_pic, p_outpic,
240 p_sys->projection_matrix );
241 break;
242
243 default:
244 vlc_mutex_unlock( &p_sys->lock );
245 msg_Warn( p_filter, "Unsupported input chroma (%4.4s)",
246 (char*)&(p_pic->format.i_chroma) );
247 picture_Release( p_pic );
248 return NULL;
249 }
250 vlc_mutex_unlock( &p_sys->lock );
251
252 return CopyInfoAndRelease( p_outpic, p_pic );
253 }
254
255 static inline uint8_t crop( int a )
256 {
257 if( a < 0 ) return 0;
258 if( a > 255 ) return 255;
259 else return (uint8_t)a;
260 }
261
262 #define U 128
263 #define V 128
264
265 static void mmult( double *res, double *a, double *b )
266 {
267 int i, j, k;
268 for( i = 0; i < 3; i++ )
269 {
270 for( j = 0; j < 3; j++ )
271 {
272 res[ i*3 + j ] = 0.;
273 for( k = 0; k < 3; k++ )
274 {
275 res[ i*3 + j ] += a[ i*3 + k ] * b[ k*3 + j ];
276 }
277 }
278 }
279 }
280 static void make_projection_matrix( filter_t *p_filter, int color, int *matrix )
281 {
282 double left_matrix[9] =
283 { 76.24500, 149.68500, 29.07000,
284 -43.02765, -84.47235, 127.50000,
285 127.50000, -106.76534, -20.73466 };
286 double right_matrix[9] =
287 { 257.00392, 0.00000, 360.31950,
288 257.00392, -88.44438, -183.53583,
289 257.00392, 455.41095, 0.00000 };
290 double red = ((double)(( 0xFF0000 & color )>>16))/255.;
291 double green = ((double)(( 0x00FF00 & color )>>8))/255.;
292 double blue = ((double)( 0x0000FF & color ))/255.;
293 double norm = sqrt( red*red + green*green + blue*blue );
294 red /= norm;
295 green /= norm;
296 blue /= norm;
297 /* XXX: We might still need to norm the rgb_matrix */
298 double rgb_matrix[9] =
299 { red*red, red*green, red*blue,
300 red*green, green*green, green*blue,
301 red*blue, green*blue, blue*blue };
302 double result1[9];
303 double result[9];
304 int i;
305 msg_Dbg( p_filter, "red: %f", red );
306 msg_Dbg( p_filter, "green: %f", green );
307 msg_Dbg( p_filter, "blue: %f", blue );
308 mmult( result1, rgb_matrix, right_matrix );
309 mmult( result, left_matrix, result1 );
310 for( i = 0; i < 9; i++ )
311 {
312 matrix[i] = (int)result[i];
313 }
314 msg_Dbg( p_filter, "Projection matrix:" );
315 msg_Dbg( p_filter, "%6d %6d %6d", matrix[0], matrix[1], matrix[2] );
316 msg_Dbg( p_filter, "%6d %6d %6d", matrix[3], matrix[4], matrix[5] );
317 msg_Dbg( p_filter, "%6d %6d %6d", matrix[6], matrix[7], matrix[8] );
318 }
319
320 static void get_custom_from_yuv420( picture_t *p_inpic, picture_t *p_outpic,
321 int yp, int up, int vp, int *m )
322 {
323 uint8_t *y1in = p_inpic->p[yp].p_pixels;
324 uint8_t *y2in;
325 uint8_t *uin = p_inpic->p[up].p_pixels;
326 uint8_t *vin = p_inpic->p[vp].p_pixels;
327
328 uint8_t *y1out = p_outpic->p[yp].p_pixels;
329 uint8_t *y2out;
330 uint8_t *uout = p_outpic->p[up].p_pixels;
331 uint8_t *vout = p_outpic->p[vp].p_pixels;
332
333 const int i_in_pitch = p_inpic->p[yp].i_pitch;
334 const int i_out_pitch = p_outpic->p[yp].i_pitch;
335
336 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
337 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
338 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
339
340 const uint8_t *yend = y1in + i_visible_lines * i_in_pitch;
341 while( y1in < yend )
342 {
343 const uint8_t *y1end = y1in + i_visible_pitch;
344 y2in = y1in + i_in_pitch;
345 y2out = y1out + i_out_pitch;
346 while( y1in < y1end )
347 {
348 *uout++ = crop( (*y1in * m[3] + (*uin-U) * m[4] + (*vin-V) * m[5])
349 / 65536 + U );
350 *vout++ = crop( (*y1in * m[6] + (*uin-U) * m[7] + (*vin-V) * m[8])
351 / 65536 + V );
352 *y1out++ = crop( (*y1in++ * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
353 / 65536 );
354 *y1out++ = crop( (*y1in++ * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
355 / 65536 );
356 *y2out++ = crop( (*y2in++ * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
357 / 65536 );
358 *y2out++ = crop( (*y2in++ * m[0] + (*uin++ - U) * m[1] + (*vin++ -V) * m[2])
359 / 65536 );
360 }
361 y1in += 2*i_in_pitch - i_visible_pitch;
362 y1out += 2*i_out_pitch - i_visible_pitch;
363 uin += p_inpic->p[up].i_pitch - i_uv_visible_pitch;
364 uout += p_outpic->p[up].i_pitch - i_uv_visible_pitch;
365 vin += p_inpic->p[vp].i_pitch - i_uv_visible_pitch;
366 vout += p_outpic->p[vp].i_pitch - i_uv_visible_pitch;
367 }
368 }
369 static void get_custom_from_yuv422( picture_t *p_inpic, picture_t *p_outpic,
370 int yp, int up, int vp, int *m )
371 {
372 uint8_t *y1in = p_inpic->p[yp].p_pixels;
373 uint8_t *uin = p_inpic->p[up].p_pixels;
374 uint8_t *vin = p_inpic->p[vp].p_pixels;
375
376 uint8_t *y1out = p_outpic->p[yp].p_pixels;
377 uint8_t *uout = p_outpic->p[up].p_pixels;
378 uint8_t *vout = p_outpic->p[vp].p_pixels;
379
380 const int i_in_pitch = p_inpic->p[yp].i_pitch;
381 const int i_out_pitch = p_outpic->p[yp].i_pitch;
382
383 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
384 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
385 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
386
387 const uint8_t *yend = y1in + i_visible_lines * i_in_pitch;
388 while( y1in < yend )
389 {
390 const uint8_t *y1end = y1in + i_visible_pitch;
391 while( y1in < y1end )
392 {
393 *uout++ = crop( (*y1in * m[3] + (*uin-U) * m[4] + (*vin-V) * m[5])
394 / 65536 + U );
395 *vout++ = crop( (*y1in * m[6] + (*uin-U) * m[7] + (*vin-V) * m[8])
396 / 65536 + V );
397 *y1out++ = crop( (*y1in++ * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
398 / 65536 );
399 *y1out++ = crop( (*y1in++ * m[0] + (*uin++ -U) * m[1] + (*vin++ -V) * m[2])
400 / 65536 );
401 }
402 y1in += i_in_pitch - i_visible_pitch;
403 y1out += i_out_pitch - i_visible_pitch;
404 uin += p_inpic->p[up].i_pitch - i_uv_visible_pitch;
405 uout += p_outpic->p[up].i_pitch - i_uv_visible_pitch;
406 vin += p_inpic->p[vp].i_pitch - i_uv_visible_pitch;
407 vout += p_outpic->p[vp].i_pitch - i_uv_visible_pitch;
408 }
409 }
410
411 static void get_custom_from_packedyuv422( picture_t *p_inpic,
412 picture_t *p_outpic,
413 int *m )
414 {
415 int i_y_offset, i_u_offset, i_v_offset;
416 if( GetPackedYuvOffsets( p_inpic->format.i_chroma, &i_y_offset,
417 &i_u_offset, &i_v_offset ) != VLC_SUCCESS )
418 return;
419
420 uint8_t *yin = p_inpic->p->p_pixels + i_y_offset;
421 uint8_t *uin = p_inpic->p->p_pixels + i_u_offset;
422 uint8_t *vin = p_inpic->p->p_pixels + i_v_offset;
423
424 uint8_t *yout = p_outpic->p->p_pixels + i_y_offset;
425 uint8_t *uout = p_outpic->p->p_pixels + i_u_offset;
426 uint8_t *vout = p_outpic->p->p_pixels + i_v_offset;
427
428 const int i_in_pitch = p_inpic->p->i_pitch;
429 const int i_out_pitch = p_outpic->p->i_pitch;
430 const int i_visible_pitch = p_inpic->p->i_visible_pitch;
431 const int i_visible_lines = p_inpic->p->i_visible_lines;
432
433 const uint8_t *yend = yin + i_visible_lines * i_in_pitch;
434 while( yin < yend )
435 {
436 const uint8_t *ylend = yin + i_visible_pitch;
437 while( yin < ylend )
438 {
439 *uout = crop( (*yin * m[3] + (*uin-U) * m[4] + (*vin-V) * m[5])
440 / 65536 + U );
441 uout += 4;
442 *vout = crop( (*yin * m[6] + (*uin-U) * m[7] + (*vin-V) * m[8])
443 / 65536 + V );
444 vout += 4;
445 *yout = crop( (*yin * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
446 / 65536 );
447 yin += 2;
448 yout += 2;
449 *yout = crop( (*yin * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
450 / 65536 );
451 yin += 2;
452 yout += 2;
453 uin += 4;
454 vin += 4;
455 }
456 yin += i_in_pitch - i_visible_pitch;
457 yout += i_out_pitch - i_visible_pitch;
458 uin += i_in_pitch - i_visible_pitch;
459 uout += i_out_pitch - i_visible_pitch;
460 vin += i_in_pitch - i_visible_pitch;
461 vout += i_out_pitch - i_visible_pitch;
462 }
463 }
464
465 static void get_red_from_yuv420( picture_t *p_inpic, picture_t *p_outpic,
466 int yp, int up, int vp )
467 {
468 uint8_t *y1in = p_inpic->p[yp].p_pixels;
469 uint8_t *y2in;
470 uint8_t *vin = p_inpic->p[vp].p_pixels;
471
472 uint8_t *y1out = p_outpic->p[yp].p_pixels;
473 uint8_t *y2out;
474 uint8_t *uout = p_outpic->p[up].p_pixels;
475 uint8_t *vout = p_outpic->p[vp].p_pixels;
476
477 const int i_in_pitch = p_inpic->p[yp].i_pitch;
478 const int i_out_pitch = p_outpic->p[yp].i_pitch;
479
480 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
481 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
482 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
483
484 const uint8_t *yend = y1in + i_visible_lines * i_in_pitch;
485 while( y1in < yend )
486 {
487 const uint8_t *y1end = y1in + i_visible_pitch;
488 y2in = y1in + i_in_pitch;
489 y2out = y1out + i_out_pitch;
490 while( y1in < y1end )
491 {
492 /*
493 19595 0 27473
494 -11058 0 -15504
495 32768 0 45941
496 */
497 *uout++ = crop( (*y1in * -11058 + (*vin - V) * -15504)
498 / 65536 + U );
499 *vout++ = crop( (*y1in * 32768 + (*vin - V) * 45941)
500 / 65536 + V );
501 *y1out++ = crop( (*y1in++ * 19595 + (*vin - V) * 27473)
502 / 65536 );
503 *y1out++ = crop( (*y1in++ * 19595 + (*vin - V) * 27473)
504 / 65536 );
505 *y2out++ = crop( (*y2in++ * 19594 + (*vin - V) * 27473)
506 / 65536 );
507 *y2out++ = crop( (*y2in++ * 19594 + (*vin++ - V) * 27473)
508 / 65536 );
509 }
510 y1in += 2*i_in_pitch - i_visible_pitch;
511 y1out += 2*i_out_pitch - i_visible_pitch;
512 uout += p_outpic->p[up].i_pitch - i_uv_visible_pitch;
513 vin += p_inpic->p[vp].i_pitch - i_uv_visible_pitch;
514 vout += p_outpic->p[vp].i_pitch - i_uv_visible_pitch;
515 }
516 }
517
518 static void get_green_from_yuv420( picture_t *p_inpic, picture_t *p_outpic,
519 int yp, int up, int vp )
520 {
521 uint8_t *y1in = p_inpic->p[yp].p_pixels;
522 uint8_t *y2in;
523 uint8_t *uin = p_inpic->p[up].p_pixels;
524 uint8_t *vin = p_inpic->p[vp].p_pixels;
525
526 uint8_t *y1out = p_outpic->p[yp].p_pixels;
527 uint8_t *y2out;
528 uint8_t *uout = p_outpic->p[up].p_pixels;
529 uint8_t *vout = p_outpic->p[vp].p_pixels;
530
531 const int i_in_pitch = p_inpic->p[yp].i_pitch;
532 const int i_out_pitch = p_outpic->p[yp].i_pitch;
533
534 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
535 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
536
537 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
538
539 const uint8_t *yend = y1in + i_visible_lines * i_in_pitch;
540 while( y1in < yend )
541 {
542 const uint8_t *y1end = y1in + i_visible_pitch;
543 y2in = y1in + i_in_pitch;
544 y2out = y1out + i_out_pitch;
545 while( y1in < y1end )
546 {
547 /*
548 38470 -13239 -27473
549 -21710 7471 15504
550 -27439 9443 19595
551 */
552 *uout++ = crop( (*y1in * -21710 + (*uin-U) * 7471 + (*vin-V) * 15504)
553 / 65536 + U );
554 *vout++ = crop( (*y1in * -27439 + (*uin-U) * 9443 + (*vin-V) * 19595)
555 / 65536 + V );
556 *y1out++ = crop( (*y1in++ * 38470 + (*uin-U) * -13239 + (*vin-V) * -27473)
557 / 65536 );
558 *y1out++ = crop( (*y1in++ * 38470 + (*uin-U) * -13239 + (*vin-V) * -27473)
559 / 65536 );
560 *y2out++ = crop( (*y2in++ * 38470 + (*uin-U) * -13239 + (*vin-V) * -27473)
561 / 65536 );
562 *y2out++ = crop( (*y2in++ * 38470 + (*uin++ - U) * -13239 + (*vin++ -V) * -27473)
563 / 65536 );
564 }
565 y1in += 2*i_in_pitch - i_visible_pitch;
566 y1out += 2*i_out_pitch - i_visible_pitch;
567 uin += p_inpic->p[up].i_pitch - i_uv_visible_pitch;
568 uout += p_outpic->p[up].i_pitch - i_uv_visible_pitch;
569 vin += p_inpic->p[vp].i_pitch - i_uv_visible_pitch;
570 vout += p_outpic->p[vp].i_pitch - i_uv_visible_pitch;
571 }
572 }
573
574 static void get_blue_from_yuv420( picture_t *p_inpic, picture_t *p_outpic,
575 int yp, int up, int vp )
576 {
577 uint8_t *y1in = p_inpic->p[yp].p_pixels;
578 uint8_t *y2in;
579 uint8_t *uin = p_inpic->p[up].p_pixels;
580
581 uint8_t *y1out = p_outpic->p[yp].p_pixels;
582 uint8_t *y2out;
583 uint8_t *uout = p_outpic->p[up].p_pixels;
584 uint8_t *vout = p_outpic->p[vp].p_pixels;
585
586 const int i_in_pitch = p_inpic->p[yp].i_pitch;
587 const int i_out_pitch = p_outpic->p[yp].i_pitch;
588
589 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
590 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
591 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
592
593 const uint8_t *yend = y1in + i_visible_lines * i_in_pitch;
594 while( y1in < yend )
595 {
596 const uint8_t *y1end = y1in + i_visible_pitch;
597 y2in = y1in + i_in_pitch;
598 y2out = y1out + i_out_pitch;
599 while( y1in < y1end )
600 {
601 /*
602 7471 13239 0
603 32768 58065 0
604 -5329 -9443 0
605 */
606 *uout++ = crop( (*y1in* 32768 + (*uin - U) * 58065 )
607 / 65536 + U );
608 *vout++ = crop( (*y1in * -5329 + (*uin - U) * -9443 )
609 / 65536 + V );
610 *y1out++ = crop( (*y1in++ * 7471 + (*uin - U) * 13239 )
611 / 65536 );
612 *y1out++ = crop( (*y1in++ * 7471 + (*uin - U) * 13239 )
613 / 65536 );
614 *y2out++ = crop( (*y2in++ * 7471 + (*uin - U) * 13239 )
615 / 65536 );
616 *y2out++ = crop( (*y2in++ * 7471 + (*uin++ - U) * 13239 )
617 / 65536 );
618 }
619 y1in += 2*i_in_pitch - i_visible_pitch;
620 y1out += 2*i_out_pitch - i_visible_pitch;
621 uin += p_inpic->p[up].i_pitch - i_uv_visible_pitch;
622 uout += p_outpic->p[up].i_pitch - i_uv_visible_pitch;
623 vout += p_inpic->p[vp].i_pitch - i_uv_visible_pitch;
624 }
625 }
626
627 static void get_red_from_yuv422( picture_t *p_inpic, picture_t *p_outpic,
628 int yp, int up, int vp )
629 {
630 uint8_t *y1in = p_inpic->p[yp].p_pixels;
631 uint8_t *vin = p_inpic->p[vp].p_pixels;
632
633 uint8_t *y1out = p_outpic->p[yp].p_pixels;
634 uint8_t *uout = p_outpic->p[up].p_pixels;
635 uint8_t *vout = p_outpic->p[vp].p_pixels;
636
637 const int i_in_pitch = p_inpic->p[yp].i_pitch;
638 const int i_out_pitch = p_inpic->p[yp].i_pitch;
639
640 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
641 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
642 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
643
644 const uint8_t *yend = y1in + i_visible_lines * i_in_pitch;
645 while( y1in < yend )
646 {
647 const uint8_t *y1end = y1in + i_visible_pitch;
648 while( y1in < y1end )
649 {
650 /*
651 19595 0 27473
652 -11058 0 -15504
653 32768 0 45941
654 */
655 *uout++ = crop( (*y1in * -11058 + (*vin - V) * -15504)
656 / 65536 + U );
657 *vout++ = crop( (*y1in * 32768 + (*vin - V) * 45941)
658 / 65536 + V );
659 *y1out++ = crop( (*y1in++ * 19595 + (*vin - V) * 27473)
660 / 65536 );
661 *y1out++ = crop( (*y1in++ * 19595 + (*vin++ - V) * 27473)
662 / 65536 );
663 }
664 y1in += i_in_pitch - i_visible_pitch;
665 y1out += i_out_pitch - i_visible_pitch;
666 uout += p_outpic->p[up].i_pitch - i_uv_visible_pitch;
667 vin += p_inpic->p[vp].i_pitch - i_uv_visible_pitch;
668 vout += p_outpic->p[vp].i_pitch - i_uv_visible_pitch;
669 }
670 }
671
672 static void get_green_from_yuv422( picture_t *p_inpic, picture_t *p_outpic,
673 int yp, int up, int vp )
674 {
675 uint8_t *y1in = p_inpic->p[yp].p_pixels;
676 uint8_t *uin = p_inpic->p[up].p_pixels;
677 uint8_t *vin = p_inpic->p[vp].p_pixels;
678
679 uint8_t *y1out = p_outpic->p[yp].p_pixels;
680 uint8_t *uout = p_outpic->p[up].p_pixels;
681 uint8_t *vout = p_outpic->p[vp].p_pixels;
682
683 const int i_in_pitch = p_inpic->p[yp].i_pitch;
684 const int i_out_pitch = p_outpic->p[yp].i_pitch;
685
686 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
687 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
688 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
689
690 const uint8_t *yend = y1in + i_visible_lines * i_in_pitch;
691 while( y1in < yend )
692 {
693 const uint8_t *y1end = y1in + i_visible_pitch;
694 while( y1in < y1end )
695 {
696 /*
697 38470 -13239 -27473
698 -21710 7471 15504
699 -27439 9443 19595
700 */
701 *uout++ = crop( (*y1in * -21710 + (*uin-U) * 7471 + (*vin-V) * 15504)
702 / 65536 + U );
703 *vout++ = crop( (*y1in * -27439 + (*uin-U) * 9443 + (*vin-V) * 19595)
704 / 65536 + V );
705 *y1out++ = crop( (*y1in++ * 38470 + (*uin-U) * -13239 + (*vin-V) * -27473)
706 / 65536 );
707 *y1out++ = crop( (*y1in++ * 38470 + (*uin++-U) * -13239 + (*vin++-V) * -27473)
708 / 65536 );
709 }
710 y1in += i_in_pitch - i_visible_pitch;
711 y1out += i_out_pitch - i_visible_pitch;
712 uin += p_inpic->p[up].i_pitch - i_uv_visible_pitch;
713 uout += p_outpic->p[up].i_pitch - i_uv_visible_pitch;
714 vin += p_inpic->p[vp].i_pitch - i_uv_visible_pitch;
715 vout += p_outpic->p[vp].i_pitch - i_uv_visible_pitch;
716 }
717 }
718
719 static void get_blue_from_yuv422( picture_t *p_inpic, picture_t *p_outpic,
720 int yp, int up, int vp )
721 {
722 uint8_t *y1in = p_inpic->p[yp].p_pixels;
723 uint8_t *uin = p_inpic->p[up].p_pixels;
724
725 uint8_t *y1out = p_outpic->p[yp].p_pixels;
726 uint8_t *uout = p_outpic->p[up].p_pixels;
727 uint8_t *vout = p_outpic->p[vp].p_pixels;
728
729 const int i_in_pitch = p_inpic->p[yp].i_pitch;
730 const int i_out_pitch = p_outpic->p[yp].i_pitch;
731
732 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
733 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
734 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
735
736 const uint8_t *yend = y1in + i_visible_lines * i_in_pitch;
737 while( y1in < yend )
738 {
739 const uint8_t *y1end = y1in + i_visible_pitch;
740 while( y1in < y1end )
741 {
742 /*
743 7471 13239 0
744 32768 58065 0
745 -5329 -9443 0
746 */
747 *uout++ = crop( (*y1in* 32768 + (*uin - U) * 58065 )
748 / 65536 + U );
749 *vout++ = crop( (*y1in * -5329 + (*uin - U) * -9443 )
750 / 65536 + V );
751 *y1out++ = crop( (*y1in++ * 7471 + (*uin - U) * 13239 )
752 / 65536 );
753 *y1out++ = crop( (*y1in++ * 7471 + (*uin++ - U) * 13239 )
754 / 65536 );
755 }
756 y1in += i_in_pitch - i_visible_pitch;
757 y1out += i_out_pitch - i_visible_pitch;
758 uin += p_inpic->p[up].i_pitch - i_uv_visible_pitch;
759 uout += p_outpic->p[up].i_pitch - i_uv_visible_pitch;
760 vout += p_outpic->p[vp].i_pitch - i_uv_visible_pitch;
761 }
762 }
763
764 static int ExtractCallback( vlc_object_t *p_this, char const *psz_var,
765 vlc_value_t oldval, vlc_value_t newval,
766 void *p_data )
767 {
768 VLC_UNUSED(oldval);
769 filter_sys_t *p_sys = (filter_sys_t *)p_data;
770
771 vlc_mutex_lock( &p_sys->lock );
772 if( !strcmp( psz_var, FILTER_PREFIX "component" ) )
773 {
774 p_sys->i_color = newval.i_int;
775 /* Matrix won't be used for RED, GREEN or BLUE in planar formats */
776 make_projection_matrix( (filter_t *)p_this, p_sys->i_color,
777 p_sys->projection_matrix );
778 }
779 else
780 {
781 msg_Warn( p_this, "Unknown callback command." );
782 }
783 vlc_mutex_unlock( &p_sys->lock );
784 return VLC_SUCCESS;
785 }