1 /*****************************************************************************
2 * extract.c : Extract RGB components
3 *****************************************************************************
4 * Copyright (C) 2000-2006 VLC authors and VideoLAN
7 * Authors: Antoine Cellerier <dionoea .t videolan d@t org>
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU Lesser General Public License as published by
11 * the Free Software Foundation; either version 2.1 of the License, or
12 * (at your option) any later version.
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 Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public License
20 * along with this program; if not, write to the Free Software Foundation,
21 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
32 #include <vlc_common.h>
33 #include <vlc_plugin.h>
35 #include <vlc_filter.h>
36 #include "filter_picture.h"
40 /*****************************************************************************
42 *****************************************************************************/
43 static int Create ( vlc_object_t * );
44 static void Destroy ( vlc_object_t * );
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 * );
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 * );
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-"
66 static const int pi_component_values[] = { 0xFF0000, 0x00FF00, 0x0000FF };
67 static const char *const ppsz_component_descriptions[] = {
68 "Red", "Green", "Blue" };
70 /*****************************************************************************
72 *****************************************************************************/
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" )
81 add_integer_with_range( FILTER_PREFIX "component", 0xFF0000, 1, 0xFFFFFF,
82 COMPONENT_TEXT, COMPONENT_LONGTEXT, false )
83 change_integer_list( pi_component_values, ppsz_component_descriptions )
85 set_callbacks( Create, Destroy )
88 static const char *const ppsz_filter_options[] = {
92 enum { RED=0xFF0000, GREEN=0x00FF00, BLUE=0x0000FF };
96 int *projection_matrix;
100 /*****************************************************************************
102 *****************************************************************************/
103 static int Create( vlc_object_t *p_this )
105 filter_t *p_filter = (filter_t *)p_this;
107 switch( p_filter->fmt_in.video.i_chroma )
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) );
126 /* Allocate structure */
127 p_filter->p_sys = malloc( sizeof( filter_sys_t ) );
128 if( p_filter->p_sys == NULL )
130 p_filter->p_sys->projection_matrix = malloc( 9 * sizeof( int ) );
131 if( !p_filter->p_sys->projection_matrix )
133 free( p_filter->p_sys );
137 config_ChainParse( p_filter, FILTER_PREFIX, ppsz_filter_options,
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 );
149 p_filter->pf_video_filter = Filter;
154 /*****************************************************************************
156 *****************************************************************************/
157 static void Destroy( vlc_object_t *p_this )
159 filter_t *p_filter = (filter_t *)p_this;
160 filter_sys_t *p_sys = p_filter->p_sys;
162 var_DelCallback( p_filter, FILTER_PREFIX "component", ExtractCallback,
164 vlc_mutex_destroy( &p_sys->lock );
165 free( p_sys->projection_matrix );
169 /*****************************************************************************
171 *****************************************************************************/
172 static picture_t *Filter( filter_t *p_filter, picture_t *p_pic )
175 filter_sys_t *p_sys = p_filter->p_sys;
177 if( !p_pic ) return NULL;
179 p_outpic = filter_NewPicture( p_filter );
182 picture_Release( p_pic );
186 vlc_mutex_lock( &p_sys->lock );
187 switch( p_pic->format.i_chroma )
192 switch( p_sys->i_color )
195 get_red_from_yuv420( p_pic, p_outpic,
196 Y_PLANE, U_PLANE, V_PLANE );
199 get_green_from_yuv420( p_pic, p_outpic,
200 Y_PLANE, U_PLANE, V_PLANE );
203 get_blue_from_yuv420( p_pic, p_outpic,
204 Y_PLANE, U_PLANE, V_PLANE );
207 get_custom_from_yuv420( p_pic, p_outpic,
208 Y_PLANE, U_PLANE, V_PLANE,
209 p_sys->projection_matrix);
216 switch( p_filter->p_sys->i_color )
219 get_red_from_yuv422( p_pic, p_outpic,
220 Y_PLANE, U_PLANE, V_PLANE );
223 get_green_from_yuv422( p_pic, p_outpic,
224 Y_PLANE, U_PLANE, V_PLANE );
227 get_blue_from_yuv422( p_pic, p_outpic,
228 Y_PLANE, U_PLANE, V_PLANE );
231 get_custom_from_yuv422( p_pic, p_outpic,
232 Y_PLANE, U_PLANE, V_PLANE,
233 p_sys->projection_matrix);
239 get_custom_from_packedyuv422( p_pic, p_outpic,
240 p_sys->projection_matrix );
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 );
250 vlc_mutex_unlock( &p_sys->lock );
252 return CopyInfoAndRelease( p_outpic, p_pic );
258 static void mmult( double *res, double *a, double *b )
261 for( i = 0; i < 3; i++ )
263 for( j = 0; j < 3; j++ )
266 for( k = 0; k < 3; k++ )
268 res[ i*3 + j ] += a[ i*3 + k ] * b[ k*3 + j ];
273 static void make_projection_matrix( filter_t *p_filter, int color, int *matrix )
275 double left_matrix[9] =
276 { 76.24500, 149.68500, 29.07000,
277 -43.02765, -84.47235, 127.50000,
278 127.50000, -106.76534, -20.73466 };
279 double right_matrix[9] =
280 { 257.00392, 0.00000, 360.31950,
281 257.00392, -88.44438, -183.53583,
282 257.00392, 455.41095, 0.00000 };
283 double red = ((double)(( 0xFF0000 & color )>>16))/255.;
284 double green = ((double)(( 0x00FF00 & color )>>8))/255.;
285 double blue = ((double)( 0x0000FF & color ))/255.;
286 double norm = sqrt( red*red + green*green + blue*blue );
293 /* XXX: We might still need to norm the rgb_matrix */
294 double rgb_matrix[9] =
295 { red*red, red*green, red*blue,
296 red*green, green*green, green*blue,
297 red*blue, green*blue, blue*blue };
301 msg_Dbg( p_filter, "red: %f", red );
302 msg_Dbg( p_filter, "green: %f", green );
303 msg_Dbg( p_filter, "blue: %f", blue );
304 mmult( result1, rgb_matrix, right_matrix );
305 mmult( result, left_matrix, result1 );
306 for( i = 0; i < 9; i++ )
308 matrix[i] = (int)result[i];
310 msg_Dbg( p_filter, "Projection matrix:" );
311 msg_Dbg( p_filter, "%6d %6d %6d", matrix[0], matrix[1], matrix[2] );
312 msg_Dbg( p_filter, "%6d %6d %6d", matrix[3], matrix[4], matrix[5] );
313 msg_Dbg( p_filter, "%6d %6d %6d", matrix[6], matrix[7], matrix[8] );
316 static void get_custom_from_yuv420( picture_t *p_inpic, picture_t *p_outpic,
317 int yp, int up, int vp, int *m )
319 uint8_t *y1in = p_inpic->p[yp].p_pixels;
321 uint8_t *uin = p_inpic->p[up].p_pixels;
322 uint8_t *vin = p_inpic->p[vp].p_pixels;
324 uint8_t *y1out = p_outpic->p[yp].p_pixels;
326 uint8_t *uout = p_outpic->p[up].p_pixels;
327 uint8_t *vout = p_outpic->p[vp].p_pixels;
329 const int i_in_pitch = p_inpic->p[yp].i_pitch;
330 const int i_out_pitch = p_outpic->p[yp].i_pitch;
332 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
333 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
334 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
336 const uint8_t *yend = y1in + i_visible_lines * i_in_pitch;
339 const uint8_t *y1end = y1in + i_visible_pitch;
340 y2in = y1in + i_in_pitch;
341 y2out = y1out + i_out_pitch;
342 while( y1in < y1end )
344 *uout++ = vlc_uint8( (*y1in * m[3] + (*uin-U) * m[4] + (*vin-V) * m[5])
346 *vout++ = vlc_uint8( (*y1in * m[6] + (*uin-U) * m[7] + (*vin-V) * m[8])
348 *y1out++ = vlc_uint8( (*y1in++ * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
350 *y1out++ = vlc_uint8( (*y1in++ * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
352 *y2out++ = vlc_uint8( (*y2in++ * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
354 *y2out++ = vlc_uint8( (*y2in++ * m[0] + (*uin++ - U) * m[1] + (*vin++ -V) * m[2])
357 y1in += 2*i_in_pitch - i_visible_pitch;
358 y1out += 2*i_out_pitch - i_visible_pitch;
359 uin += p_inpic->p[up].i_pitch - i_uv_visible_pitch;
360 uout += p_outpic->p[up].i_pitch - i_uv_visible_pitch;
361 vin += p_inpic->p[vp].i_pitch - i_uv_visible_pitch;
362 vout += p_outpic->p[vp].i_pitch - i_uv_visible_pitch;
365 static void get_custom_from_yuv422( picture_t *p_inpic, picture_t *p_outpic,
366 int yp, int up, int vp, int *m )
368 uint8_t *y1in = p_inpic->p[yp].p_pixels;
369 uint8_t *uin = p_inpic->p[up].p_pixels;
370 uint8_t *vin = p_inpic->p[vp].p_pixels;
372 uint8_t *y1out = p_outpic->p[yp].p_pixels;
373 uint8_t *uout = p_outpic->p[up].p_pixels;
374 uint8_t *vout = p_outpic->p[vp].p_pixels;
376 const int i_in_pitch = p_inpic->p[yp].i_pitch;
377 const int i_out_pitch = p_outpic->p[yp].i_pitch;
379 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
380 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
381 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
383 const uint8_t *yend = y1in + i_visible_lines * i_in_pitch;
386 const uint8_t *y1end = y1in + i_visible_pitch;
387 while( y1in < y1end )
389 *uout++ = vlc_uint8( (*y1in * m[3] + (*uin-U) * m[4] + (*vin-V) * m[5])
391 *vout++ = vlc_uint8( (*y1in * m[6] + (*uin-U) * m[7] + (*vin-V) * m[8])
393 *y1out++ = vlc_uint8( (*y1in++ * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
395 *y1out++ = vlc_uint8( (*y1in++ * m[0] + (*uin++ -U) * m[1] + (*vin++ -V) * m[2])
398 y1in += i_in_pitch - i_visible_pitch;
399 y1out += i_out_pitch - i_visible_pitch;
400 uin += p_inpic->p[up].i_pitch - i_uv_visible_pitch;
401 uout += p_outpic->p[up].i_pitch - i_uv_visible_pitch;
402 vin += p_inpic->p[vp].i_pitch - i_uv_visible_pitch;
403 vout += p_outpic->p[vp].i_pitch - i_uv_visible_pitch;
407 static void get_custom_from_packedyuv422( picture_t *p_inpic,
411 int i_y_offset, i_u_offset, i_v_offset;
412 if( GetPackedYuvOffsets( p_inpic->format.i_chroma, &i_y_offset,
413 &i_u_offset, &i_v_offset ) != VLC_SUCCESS )
416 uint8_t *yin = p_inpic->p->p_pixels + i_y_offset;
417 uint8_t *uin = p_inpic->p->p_pixels + i_u_offset;
418 uint8_t *vin = p_inpic->p->p_pixels + i_v_offset;
420 uint8_t *yout = p_outpic->p->p_pixels + i_y_offset;
421 uint8_t *uout = p_outpic->p->p_pixels + i_u_offset;
422 uint8_t *vout = p_outpic->p->p_pixels + i_v_offset;
424 const int i_in_pitch = p_inpic->p->i_pitch;
425 const int i_out_pitch = p_outpic->p->i_pitch;
426 const int i_visible_pitch = p_inpic->p->i_visible_pitch;
427 const int i_visible_lines = p_inpic->p->i_visible_lines;
429 const uint8_t *yend = yin + i_visible_lines * i_in_pitch;
432 const uint8_t *ylend = yin + i_visible_pitch;
435 *uout = vlc_uint8( (*yin * m[3] + (*uin-U) * m[4] + (*vin-V) * m[5])
438 *vout = vlc_uint8( (*yin * m[6] + (*uin-U) * m[7] + (*vin-V) * m[8])
441 *yout = vlc_uint8( (*yin * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
445 *yout = vlc_uint8( (*yin * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
452 yin += i_in_pitch - i_visible_pitch;
453 yout += i_out_pitch - i_visible_pitch;
454 uin += i_in_pitch - i_visible_pitch;
455 uout += i_out_pitch - i_visible_pitch;
456 vin += i_in_pitch - i_visible_pitch;
457 vout += i_out_pitch - i_visible_pitch;
461 static void get_red_from_yuv420( picture_t *p_inpic, picture_t *p_outpic,
462 int yp, int up, int vp )
464 uint8_t *y1in = p_inpic->p[yp].p_pixels;
466 uint8_t *vin = p_inpic->p[vp].p_pixels;
468 uint8_t *y1out = p_outpic->p[yp].p_pixels;
470 uint8_t *uout = p_outpic->p[up].p_pixels;
471 uint8_t *vout = p_outpic->p[vp].p_pixels;
473 const int i_in_pitch = p_inpic->p[yp].i_pitch;
474 const int i_out_pitch = p_outpic->p[yp].i_pitch;
476 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
477 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
478 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
480 const uint8_t *yend = y1in + i_visible_lines * i_in_pitch;
483 const uint8_t *y1end = y1in + i_visible_pitch;
484 y2in = y1in + i_in_pitch;
485 y2out = y1out + i_out_pitch;
486 while( y1in < y1end )
493 *uout++ = vlc_uint8( (*y1in * -11058 + (*vin - V) * -15504)
495 *vout++ = vlc_uint8( (*y1in * 32768 + (*vin - V) * 45941)
497 *y1out++ = vlc_uint8( (*y1in++ * 19595 + (*vin - V) * 27473)
499 *y1out++ = vlc_uint8( (*y1in++ * 19595 + (*vin - V) * 27473)
501 *y2out++ = vlc_uint8( (*y2in++ * 19594 + (*vin - V) * 27473)
503 *y2out++ = vlc_uint8( (*y2in++ * 19594 + (*vin++ - V) * 27473)
506 y1in += 2*i_in_pitch - i_visible_pitch;
507 y1out += 2*i_out_pitch - i_visible_pitch;
508 uout += p_outpic->p[up].i_pitch - i_uv_visible_pitch;
509 vin += p_inpic->p[vp].i_pitch - i_uv_visible_pitch;
510 vout += p_outpic->p[vp].i_pitch - i_uv_visible_pitch;
514 static void get_green_from_yuv420( picture_t *p_inpic, picture_t *p_outpic,
515 int yp, int up, int vp )
517 uint8_t *y1in = p_inpic->p[yp].p_pixels;
519 uint8_t *uin = p_inpic->p[up].p_pixels;
520 uint8_t *vin = p_inpic->p[vp].p_pixels;
522 uint8_t *y1out = p_outpic->p[yp].p_pixels;
524 uint8_t *uout = p_outpic->p[up].p_pixels;
525 uint8_t *vout = p_outpic->p[vp].p_pixels;
527 const int i_in_pitch = p_inpic->p[yp].i_pitch;
528 const int i_out_pitch = p_outpic->p[yp].i_pitch;
530 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
531 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
533 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
535 const uint8_t *yend = y1in + i_visible_lines * i_in_pitch;
538 const uint8_t *y1end = y1in + i_visible_pitch;
539 y2in = y1in + i_in_pitch;
540 y2out = y1out + i_out_pitch;
541 while( y1in < y1end )
548 *uout++ = vlc_uint8( (*y1in * -21710 + (*uin-U) * 7471 + (*vin-V) * 15504)
550 *vout++ = vlc_uint8( (*y1in * -27439 + (*uin-U) * 9443 + (*vin-V) * 19595)
552 *y1out++ = vlc_uint8( (*y1in++ * 38470 + (*uin-U) * -13239 + (*vin-V) * -27473)
554 *y1out++ = vlc_uint8( (*y1in++ * 38470 + (*uin-U) * -13239 + (*vin-V) * -27473)
556 *y2out++ = vlc_uint8( (*y2in++ * 38470 + (*uin-U) * -13239 + (*vin-V) * -27473)
558 *y2out++ = vlc_uint8( (*y2in++ * 38470 + (*uin++ - U) * -13239 + (*vin++ -V) * -27473)
561 y1in += 2*i_in_pitch - i_visible_pitch;
562 y1out += 2*i_out_pitch - i_visible_pitch;
563 uin += p_inpic->p[up].i_pitch - i_uv_visible_pitch;
564 uout += p_outpic->p[up].i_pitch - i_uv_visible_pitch;
565 vin += p_inpic->p[vp].i_pitch - i_uv_visible_pitch;
566 vout += p_outpic->p[vp].i_pitch - i_uv_visible_pitch;
570 static void get_blue_from_yuv420( picture_t *p_inpic, picture_t *p_outpic,
571 int yp, int up, int vp )
573 uint8_t *y1in = p_inpic->p[yp].p_pixels;
575 uint8_t *uin = p_inpic->p[up].p_pixels;
577 uint8_t *y1out = p_outpic->p[yp].p_pixels;
579 uint8_t *uout = p_outpic->p[up].p_pixels;
580 uint8_t *vout = p_outpic->p[vp].p_pixels;
582 const int i_in_pitch = p_inpic->p[yp].i_pitch;
583 const int i_out_pitch = p_outpic->p[yp].i_pitch;
585 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
586 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
587 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
589 const uint8_t *yend = y1in + i_visible_lines * i_in_pitch;
592 const uint8_t *y1end = y1in + i_visible_pitch;
593 y2in = y1in + i_in_pitch;
594 y2out = y1out + i_out_pitch;
595 while( y1in < y1end )
602 *uout++ = vlc_uint8( (*y1in* 32768 + (*uin - U) * 58065 )
604 *vout++ = vlc_uint8( (*y1in * -5329 + (*uin - U) * -9443 )
606 *y1out++ = vlc_uint8( (*y1in++ * 7471 + (*uin - U) * 13239 )
608 *y1out++ = vlc_uint8( (*y1in++ * 7471 + (*uin - U) * 13239 )
610 *y2out++ = vlc_uint8( (*y2in++ * 7471 + (*uin - U) * 13239 )
612 *y2out++ = vlc_uint8( (*y2in++ * 7471 + (*uin++ - U) * 13239 )
615 y1in += 2*i_in_pitch - i_visible_pitch;
616 y1out += 2*i_out_pitch - i_visible_pitch;
617 uin += p_inpic->p[up].i_pitch - i_uv_visible_pitch;
618 uout += p_outpic->p[up].i_pitch - i_uv_visible_pitch;
619 vout += p_inpic->p[vp].i_pitch - i_uv_visible_pitch;
623 static void get_red_from_yuv422( picture_t *p_inpic, picture_t *p_outpic,
624 int yp, int up, int vp )
626 uint8_t *y1in = p_inpic->p[yp].p_pixels;
627 uint8_t *vin = p_inpic->p[vp].p_pixels;
629 uint8_t *y1out = p_outpic->p[yp].p_pixels;
630 uint8_t *uout = p_outpic->p[up].p_pixels;
631 uint8_t *vout = p_outpic->p[vp].p_pixels;
633 const int i_in_pitch = p_inpic->p[yp].i_pitch;
634 const int i_out_pitch = p_inpic->p[yp].i_pitch;
636 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
637 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
638 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
640 const uint8_t *yend = y1in + i_visible_lines * i_in_pitch;
643 const uint8_t *y1end = y1in + i_visible_pitch;
644 while( y1in < y1end )
651 *uout++ = vlc_uint8( (*y1in * -11058 + (*vin - V) * -15504)
653 *vout++ = vlc_uint8( (*y1in * 32768 + (*vin - V) * 45941)
655 *y1out++ = vlc_uint8( (*y1in++ * 19595 + (*vin - V) * 27473)
657 *y1out++ = vlc_uint8( (*y1in++ * 19595 + (*vin++ - V) * 27473)
660 y1in += i_in_pitch - i_visible_pitch;
661 y1out += i_out_pitch - i_visible_pitch;
662 uout += p_outpic->p[up].i_pitch - i_uv_visible_pitch;
663 vin += p_inpic->p[vp].i_pitch - i_uv_visible_pitch;
664 vout += p_outpic->p[vp].i_pitch - i_uv_visible_pitch;
668 static void get_green_from_yuv422( picture_t *p_inpic, picture_t *p_outpic,
669 int yp, int up, int vp )
671 uint8_t *y1in = p_inpic->p[yp].p_pixels;
672 uint8_t *uin = p_inpic->p[up].p_pixels;
673 uint8_t *vin = p_inpic->p[vp].p_pixels;
675 uint8_t *y1out = p_outpic->p[yp].p_pixels;
676 uint8_t *uout = p_outpic->p[up].p_pixels;
677 uint8_t *vout = p_outpic->p[vp].p_pixels;
679 const int i_in_pitch = p_inpic->p[yp].i_pitch;
680 const int i_out_pitch = p_outpic->p[yp].i_pitch;
682 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
683 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
684 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
686 const uint8_t *yend = y1in + i_visible_lines * i_in_pitch;
689 const uint8_t *y1end = y1in + i_visible_pitch;
690 while( y1in < y1end )
697 *uout++ = vlc_uint8( (*y1in * -21710 + (*uin-U) * 7471 + (*vin-V) * 15504)
699 *vout++ = vlc_uint8( (*y1in * -27439 + (*uin-U) * 9443 + (*vin-V) * 19595)
701 *y1out++ = vlc_uint8( (*y1in++ * 38470 + (*uin-U) * -13239 + (*vin-V) * -27473)
703 *y1out++ = vlc_uint8( (*y1in++ * 38470 + (*uin++-U) * -13239 + (*vin++-V) * -27473)
706 y1in += i_in_pitch - i_visible_pitch;
707 y1out += i_out_pitch - i_visible_pitch;
708 uin += p_inpic->p[up].i_pitch - i_uv_visible_pitch;
709 uout += p_outpic->p[up].i_pitch - i_uv_visible_pitch;
710 vin += p_inpic->p[vp].i_pitch - i_uv_visible_pitch;
711 vout += p_outpic->p[vp].i_pitch - i_uv_visible_pitch;
715 static void get_blue_from_yuv422( picture_t *p_inpic, picture_t *p_outpic,
716 int yp, int up, int vp )
718 uint8_t *y1in = p_inpic->p[yp].p_pixels;
719 uint8_t *uin = p_inpic->p[up].p_pixels;
721 uint8_t *y1out = p_outpic->p[yp].p_pixels;
722 uint8_t *uout = p_outpic->p[up].p_pixels;
723 uint8_t *vout = p_outpic->p[vp].p_pixels;
725 const int i_in_pitch = p_inpic->p[yp].i_pitch;
726 const int i_out_pitch = p_outpic->p[yp].i_pitch;
728 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
729 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
730 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
732 const uint8_t *yend = y1in + i_visible_lines * i_in_pitch;
735 const uint8_t *y1end = y1in + i_visible_pitch;
736 while( y1in < y1end )
743 *uout++ = vlc_uint8( (*y1in* 32768 + (*uin - U) * 58065 )
745 *vout++ = vlc_uint8( (*y1in * -5329 + (*uin - U) * -9443 )
747 *y1out++ = vlc_uint8( (*y1in++ * 7471 + (*uin - U) * 13239 )
749 *y1out++ = vlc_uint8( (*y1in++ * 7471 + (*uin++ - U) * 13239 )
752 y1in += i_in_pitch - i_visible_pitch;
753 y1out += i_out_pitch - i_visible_pitch;
754 uin += p_inpic->p[up].i_pitch - i_uv_visible_pitch;
755 uout += p_outpic->p[up].i_pitch - i_uv_visible_pitch;
756 vout += p_outpic->p[vp].i_pitch - i_uv_visible_pitch;
760 static int ExtractCallback( vlc_object_t *p_this, char const *psz_var,
761 vlc_value_t oldval, vlc_value_t newval,
765 filter_sys_t *p_sys = (filter_sys_t *)p_data;
767 vlc_mutex_lock( &p_sys->lock );
768 if( !strcmp( psz_var, FILTER_PREFIX "component" ) )
770 p_sys->i_color = newval.i_int;
771 /* Matrix won't be used for RED, GREEN or BLUE in planar formats */
772 make_projection_matrix( (filter_t *)p_this, p_sys->i_color,
773 p_sys->projection_matrix );
777 msg_Warn( p_this, "Unknown callback command." );
779 vlc_mutex_unlock( &p_sys->lock );