1 /*****************************************************************************
2 * extract.c : Extract RGB components
3 *****************************************************************************
4 * Copyright (C) 2000-2006 the VideoLAN team
7 * Authors: Antoine Cellerier <dionoea .t videolan d@t org>
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.
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.
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 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
32 #include <vlc_common.h>
33 #include <vlc_plugin.h>
36 #include "vlc_filter.h"
37 #include "filter_picture.h"
41 /*****************************************************************************
43 *****************************************************************************/
44 static int Create ( vlc_object_t * );
45 static void Destroy ( vlc_object_t * );
47 static picture_t *Filter( filter_t *, picture_t * );
48 static int ExtractCallback( vlc_object_t *, char const *,
49 vlc_value_t, vlc_value_t, void * );
51 static void get_red_from_yuv420( picture_t *, picture_t *, int, int, int );
52 static void get_green_from_yuv420( picture_t *, picture_t *, int, int, int );
53 static void get_blue_from_yuv420( picture_t *, picture_t *, int, int, int );
54 static void get_red_from_yuv422( picture_t *, picture_t *, int, int, int );
55 static void get_green_from_yuv422( picture_t *, picture_t *, int, int, int );
56 static void get_blue_from_yuv422( picture_t *, picture_t *, int, int, int );
57 static void make_projection_matrix( filter_t *, int color, int *matrix );
58 static void get_custom_from_yuv420( picture_t *, picture_t *, int, int, int, int * );
59 static void get_custom_from_yuv422( picture_t *, picture_t *, int, int, int, int * );
60 static void get_custom_from_packedyuv422( picture_t *, picture_t *, int * );
63 #define COMPONENT_TEXT N_("RGB component to extract")
64 #define COMPONENT_LONGTEXT N_("RGB component to extract. 0 for Red, 1 for Green and 2 for Blue.")
65 #define FILTER_PREFIX "extract-"
67 static const int pi_component_values[] = { 0xFF0000, 0x00FF00, 0x0000FF };
68 static const char *const ppsz_component_descriptions[] = {
69 "Red", "Green", "Blue" };
71 /*****************************************************************************
73 *****************************************************************************/
75 set_description( N_("Extract RGB component video filter") )
76 set_shortname( N_("Extract" ))
77 set_category( CAT_VIDEO )
78 set_subcategory( SUBCAT_VIDEO_VFILTER )
79 set_capability( "video filter2", 0 )
80 add_shortcut( "extract" )
82 add_integer_with_range( FILTER_PREFIX "component", 0xFF0000, 1, 0xFFFFFF,
83 NULL, COMPONENT_TEXT, COMPONENT_LONGTEXT, false )
84 change_integer_list( pi_component_values, ppsz_component_descriptions, NULL )
86 set_callbacks( Create, Destroy )
89 static const char *const ppsz_filter_options[] = {
93 enum { RED=0xFF0000, GREEN=0x00FF00, BLUE=0x0000FF };
97 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 (%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 var_AddCallback( p_filter, FILTER_PREFIX "component",
143 ExtractCallback, p_filter->p_sys );
145 /* Matrix won't be used for RED, GREEN or BLUE in planar formats */
146 make_projection_matrix( p_filter, p_filter->p_sys->i_color,
147 p_filter->p_sys->projection_matrix );
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;
161 free( p_filter->p_sys->projection_matrix );
162 free( p_filter->p_sys );
165 /*****************************************************************************
167 *****************************************************************************/
168 static picture_t *Filter( filter_t *p_filter, picture_t *p_pic )
172 if( !p_pic ) return NULL;
174 p_outpic = filter_NewPicture( p_filter );
177 picture_Release( p_pic );
181 switch( p_pic->format.i_chroma )
186 switch( p_filter->p_sys->i_color )
189 get_red_from_yuv420( p_pic, p_outpic,
190 Y_PLANE, U_PLANE, V_PLANE );
193 get_green_from_yuv420( p_pic, p_outpic,
194 Y_PLANE, U_PLANE, V_PLANE );
197 get_blue_from_yuv420( p_pic, p_outpic,
198 Y_PLANE, U_PLANE, V_PLANE );
201 get_custom_from_yuv420( p_pic, p_outpic,
202 Y_PLANE, U_PLANE, V_PLANE,
203 p_filter->p_sys->projection_matrix);
210 switch( p_filter->p_sys->i_color )
213 get_red_from_yuv422( p_pic, p_outpic,
214 Y_PLANE, U_PLANE, V_PLANE );
217 get_green_from_yuv422( p_pic, p_outpic,
218 Y_PLANE, U_PLANE, V_PLANE );
221 get_blue_from_yuv422( p_pic, p_outpic,
222 Y_PLANE, U_PLANE, V_PLANE );
225 get_custom_from_yuv422( p_pic, p_outpic,
226 Y_PLANE, U_PLANE, V_PLANE,
227 p_filter->p_sys->projection_matrix);
233 get_custom_from_packedyuv422( p_pic, p_outpic,
234 p_filter->p_sys->projection_matrix );
238 msg_Warn( p_filter, "Unsupported input chroma (%4s)",
239 (char*)&(p_pic->format.i_chroma) );
240 picture_Release( p_pic );
244 return CopyInfoAndRelease( p_outpic, p_pic );
247 static inline uint8_t crop( int a )
249 if( a < 0 ) return 0;
250 if( a > 255 ) return 255;
251 else return (uint8_t)a;
257 static void mmult( double *res, double *a, double *b )
260 for( i = 0; i < 3; i++ )
262 for( j = 0; j < 3; j++ )
265 for( k = 0; k < 3; k++ )
267 res[ i*3 + j ] += a[ i*3 + k ] * b[ k*3 + j ];
272 static void make_projection_matrix( filter_t *p_filter, int color, int *matrix )
274 double left_matrix[9] =
275 { 76.24500, 149.68500, 29.07000,
276 -43.02765, -84.47235, 127.50000,
277 127.50000, -106.76534, -20.73466 };
278 double right_matrix[9] =
279 { 257.00392, 0.00000, 360.31950,
280 257.00392, -88.44438, -183.53583,
281 257.00392, 455.41095, 0.00000 };
282 double red = ((double)(( 0xFF0000 & color )>>16))/255.;
283 double green = ((double)(( 0x00FF00 & color )>>8))/255.;
284 double blue = ((double)( 0x0000FF & color ))/255.;
285 double norm = sqrt( red*red + green*green + blue*blue );
289 /* XXX: We might still need to norm the rgb_matrix */
290 double rgb_matrix[9] =
291 { red*red, red*green, red*blue,
292 red*green, green*green, green*blue,
293 red*blue, green*blue, blue*blue };
297 msg_Dbg( p_filter, "red: %f", red );
298 msg_Dbg( p_filter, "green: %f", green );
299 msg_Dbg( p_filter, "blue: %f", blue );
300 mmult( result1, rgb_matrix, right_matrix );
301 mmult( result, left_matrix, result1 );
302 for( i = 0; i < 9; i++ )
304 matrix[i] = (int)result[i];
306 msg_Dbg( p_filter, "Projection matrix:" );
307 msg_Dbg( p_filter, "%6d %6d %6d", matrix[0], matrix[1], matrix[2] );
308 msg_Dbg( p_filter, "%6d %6d %6d", matrix[3], matrix[4], matrix[5] );
309 msg_Dbg( p_filter, "%6d %6d %6d", matrix[6], matrix[7], matrix[8] );
312 static void get_custom_from_yuv420( picture_t *p_inpic, picture_t *p_outpic,
313 int yp, int up, int vp, int *m )
315 uint8_t *y1in = p_inpic->p[yp].p_pixels;
317 uint8_t *uin = p_inpic->p[up].p_pixels;
318 uint8_t *vin = p_inpic->p[vp].p_pixels;
320 uint8_t *y1out = p_outpic->p[yp].p_pixels;
322 uint8_t *uout = p_outpic->p[up].p_pixels;
323 uint8_t *vout = p_outpic->p[vp].p_pixels;
325 const int i_pitch = p_inpic->p[yp].i_pitch;
326 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
327 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
329 const int i_uv_pitch = p_inpic->p[up].i_pitch;
330 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
332 const uint8_t *yend = y1in + i_visible_lines * i_pitch;
335 const uint8_t *y1end = y1in + i_visible_pitch;
336 y2in = y1in + i_pitch;
337 y2out = y1out + i_pitch;
338 while( y1in < y1end )
340 *uout++ = crop( (*y1in * m[3] + (*uin-U) * m[4] + (*vin-V) * m[5])
342 *vout++ = crop( (*y1in * m[6] + (*uin-U) * m[7] + (*vin-V) * m[8])
344 *y1out++ = crop( (*y1in++ * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
346 *y1out++ = crop( (*y1in++ * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
348 *y2out++ = crop( (*y2in++ * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
350 *y2out++ = crop( (*y2in++ * m[0] + (*uin++ - U) * m[1] + (*vin++ -V) * m[2])
353 y1in += 2*i_pitch - i_visible_pitch;
354 y1out += 2*i_pitch - i_visible_pitch;
355 uin += i_uv_pitch - i_uv_visible_pitch;
356 uout += i_uv_pitch - i_uv_visible_pitch;
357 vin += i_uv_pitch - i_uv_visible_pitch;
358 vout += i_uv_pitch - i_uv_visible_pitch;
361 static void get_custom_from_yuv422( picture_t *p_inpic, picture_t *p_outpic,
362 int yp, int up, int vp, int *m )
364 uint8_t *y1in = p_inpic->p[yp].p_pixels;
365 uint8_t *uin = p_inpic->p[up].p_pixels;
366 uint8_t *vin = p_inpic->p[vp].p_pixels;
368 uint8_t *y1out = p_outpic->p[yp].p_pixels;
369 uint8_t *uout = p_outpic->p[up].p_pixels;
370 uint8_t *vout = p_outpic->p[vp].p_pixels;
372 const int i_pitch = p_inpic->p[yp].i_pitch;
373 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
374 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
376 const int i_uv_pitch = p_inpic->p[up].i_pitch;
377 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
379 const uint8_t *yend = y1in + i_visible_lines * i_pitch;
382 const uint8_t *y1end = y1in + i_visible_pitch;
383 while( y1in < y1end )
385 *uout++ = crop( (*y1in * m[3] + (*uin-U) * m[4] + (*vin-V) * m[5])
387 *vout++ = crop( (*y1in * m[6] + (*uin-U) * m[7] + (*vin-V) * m[8])
389 *y1out++ = crop( (*y1in++ * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
391 *y1out++ = crop( (*y1in++ * m[0] + (*uin++ -U) * m[1] + (*vin++ -V) * m[2])
394 y1in += i_pitch - i_visible_pitch;
395 y1out += i_pitch - i_visible_pitch;
396 uin += i_uv_pitch - i_uv_visible_pitch;
397 uout += i_uv_pitch - i_uv_visible_pitch;
398 vin += i_uv_pitch - i_uv_visible_pitch;
399 vout += i_uv_pitch - i_uv_visible_pitch;
403 static void get_custom_from_packedyuv422( picture_t *p_inpic,
407 int i_y_offset, i_u_offset, i_v_offset;
408 if( GetPackedYuvOffsets( p_inpic->format.i_chroma, &i_y_offset,
409 &i_u_offset, &i_v_offset ) != VLC_SUCCESS )
412 uint8_t *yin = p_inpic->p->p_pixels + i_y_offset;
413 uint8_t *uin = p_inpic->p->p_pixels + i_u_offset;
414 uint8_t *vin = p_inpic->p->p_pixels + i_v_offset;
416 uint8_t *yout = p_outpic->p->p_pixels + i_y_offset;
417 uint8_t *uout = p_outpic->p->p_pixels + i_u_offset;
418 uint8_t *vout = p_outpic->p->p_pixels + i_v_offset;
420 const int i_pitch = p_inpic->p->i_pitch;
421 const int i_visible_pitch = p_inpic->p->i_visible_pitch;
422 const int i_visible_lines = p_inpic->p->i_visible_lines;
424 const uint8_t *yend = yin + i_visible_lines * i_pitch;
427 const uint8_t *ylend = yin + i_visible_pitch;
430 *uout = crop( (*yin * m[3] + (*uin-U) * m[4] + (*vin-V) * m[5])
433 *vout = crop( (*yin * m[6] + (*uin-U) * m[7] + (*vin-V) * m[8])
436 *yout = crop( (*yin * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
440 *yout = crop( (*yin * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
447 yin += i_pitch - i_visible_pitch;
448 yout += i_pitch - i_visible_pitch;
449 uin += i_pitch - i_visible_pitch;
450 uout += i_pitch - i_visible_pitch;
451 vin += i_pitch - i_visible_pitch;
452 vout += i_pitch - i_visible_pitch;
456 static void get_red_from_yuv420( picture_t *p_inpic, picture_t *p_outpic,
457 int yp, int up, int vp )
459 uint8_t *y1in = p_inpic->p[yp].p_pixels;
461 uint8_t *vin = p_inpic->p[vp].p_pixels;
463 uint8_t *y1out = p_outpic->p[yp].p_pixels;
465 uint8_t *uout = p_outpic->p[up].p_pixels;
466 uint8_t *vout = p_outpic->p[vp].p_pixels;
468 const int i_pitch = p_inpic->p[yp].i_pitch;
469 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
470 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
472 const int i_uv_pitch = p_inpic->p[up].i_pitch;
473 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
475 const uint8_t *yend = y1in + i_visible_lines * i_pitch;
478 const uint8_t *y1end = y1in + i_visible_pitch;
479 y2in = y1in + i_pitch;
480 y2out = y1out + i_pitch;
481 while( y1in < y1end )
488 *uout++ = crop( (*y1in * -11058 + (*vin - V) * -15504)
490 *vout++ = crop( (*y1in * 32768 + (*vin - V) * 45941)
492 *y1out++ = crop( (*y1in++ * 19595 + (*vin - V) * 27473)
494 *y1out++ = crop( (*y1in++ * 19595 + (*vin - V) * 27473)
496 *y2out++ = crop( (*y2in++ * 19594 + (*vin - V) * 27473)
498 *y2out++ = crop( (*y2in++ * 19594 + (*vin++ - V) * 27473)
501 y1in += 2*i_pitch - i_visible_pitch;
502 y1out += 2*i_pitch - i_visible_pitch;
503 uout += i_uv_pitch - i_uv_visible_pitch;
504 vin += i_uv_pitch - i_uv_visible_pitch;
505 vout += i_uv_pitch - i_uv_visible_pitch;
509 static void get_green_from_yuv420( picture_t *p_inpic, picture_t *p_outpic,
510 int yp, int up, int vp )
512 uint8_t *y1in = p_inpic->p[yp].p_pixels;
514 uint8_t *uin = p_inpic->p[up].p_pixels;
515 uint8_t *vin = p_inpic->p[vp].p_pixels;
517 uint8_t *y1out = p_outpic->p[yp].p_pixels;
519 uint8_t *uout = p_outpic->p[up].p_pixels;
520 uint8_t *vout = p_outpic->p[vp].p_pixels;
522 const int i_pitch = p_inpic->p[yp].i_pitch;
523 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
524 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
526 const int i_uv_pitch = p_inpic->p[up].i_pitch;
527 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
529 const uint8_t *yend = y1in + i_visible_lines * i_pitch;
532 const uint8_t *y1end = y1in + i_visible_pitch;
533 y2in = y1in + i_pitch;
534 y2out = y1out + i_pitch;
535 while( y1in < y1end )
542 *uout++ = crop( (*y1in * -21710 + (*uin-U) * 7471 + (*vin-V) * 15504)
544 *vout++ = crop( (*y1in * -27439 + (*uin-U) * 9443 + (*vin-V) * 19595)
546 *y1out++ = crop( (*y1in++ * 38470 + (*uin-U) * -13239 + (*vin-V) * -27473)
548 *y1out++ = crop( (*y1in++ * 38470 + (*uin-U) * -13239 + (*vin-V) * -27473)
550 *y2out++ = crop( (*y2in++ * 38470 + (*uin-U) * -13239 + (*vin-V) * -27473)
552 *y2out++ = crop( (*y2in++ * 38470 + (*uin++ - U) * -13239 + (*vin++ -V) * -27473)
555 y1in += 2*i_pitch - i_visible_pitch;
556 y1out += 2*i_pitch - i_visible_pitch;
557 uin += i_uv_pitch - i_uv_visible_pitch;
558 uout += i_uv_pitch - i_uv_visible_pitch;
559 vin += i_uv_pitch - i_uv_visible_pitch;
560 vout += i_uv_pitch - i_uv_visible_pitch;
564 static void get_blue_from_yuv420( picture_t *p_inpic, picture_t *p_outpic,
565 int yp, int up, int vp )
567 uint8_t *y1in = p_inpic->p[yp].p_pixels;
569 uint8_t *uin = p_inpic->p[up].p_pixels;
571 uint8_t *y1out = p_outpic->p[yp].p_pixels;
573 uint8_t *uout = p_outpic->p[up].p_pixels;
574 uint8_t *vout = p_outpic->p[vp].p_pixels;
576 const int i_pitch = p_inpic->p[yp].i_pitch;
577 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
578 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
580 const int i_uv_pitch = p_inpic->p[up].i_pitch;
581 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
583 const uint8_t *yend = y1in + i_visible_lines * i_pitch;
586 const uint8_t *y1end = y1in + i_visible_pitch;
587 y2in = y1in + i_pitch;
588 y2out = y1out + i_pitch;
589 while( y1in < y1end )
596 *uout++ = crop( (*y1in* 32768 + (*uin - U) * 58065 )
598 *vout++ = crop( (*y1in * -5329 + (*uin - U) * -9443 )
600 *y1out++ = crop( (*y1in++ * 7471 + (*uin - U) * 13239 )
602 *y1out++ = crop( (*y1in++ * 7471 + (*uin - U) * 13239 )
604 *y2out++ = crop( (*y2in++ * 7471 + (*uin - U) * 13239 )
606 *y2out++ = crop( (*y2in++ * 7471 + (*uin++ - U) * 13239 )
609 y1in += 2*i_pitch - i_visible_pitch;
610 y1out += 2*i_pitch - i_visible_pitch;
611 uin += i_uv_pitch - i_uv_visible_pitch;
612 uout += i_uv_pitch - i_uv_visible_pitch;
613 vout += i_uv_pitch - i_uv_visible_pitch;
617 static void get_red_from_yuv422( picture_t *p_inpic, picture_t *p_outpic,
618 int yp, int up, int vp )
620 uint8_t *y1in = p_inpic->p[yp].p_pixels;
621 uint8_t *vin = p_inpic->p[vp].p_pixels;
623 uint8_t *y1out = p_outpic->p[yp].p_pixels;
624 uint8_t *uout = p_outpic->p[up].p_pixels;
625 uint8_t *vout = p_outpic->p[vp].p_pixels;
627 const int i_pitch = p_inpic->p[yp].i_pitch;
628 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
629 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
631 const int i_uv_pitch = p_inpic->p[up].i_pitch;
632 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
634 const uint8_t *yend = y1in + i_visible_lines * i_pitch;
637 const uint8_t *y1end = y1in + i_visible_pitch;
638 while( y1in < y1end )
645 *uout++ = crop( (*y1in * -11058 + (*vin - V) * -15504)
647 *vout++ = crop( (*y1in * 32768 + (*vin - V) * 45941)
649 *y1out++ = crop( (*y1in++ * 19595 + (*vin - V) * 27473)
651 *y1out++ = crop( (*y1in++ * 19595 + (*vin++ - V) * 27473)
654 y1in += i_pitch - i_visible_pitch;
655 y1out += i_pitch - i_visible_pitch;
656 uout += i_uv_pitch - i_uv_visible_pitch;
657 vin += i_uv_pitch - i_uv_visible_pitch;
658 vout += i_uv_pitch - i_uv_visible_pitch;
662 static void get_green_from_yuv422( picture_t *p_inpic, picture_t *p_outpic,
663 int yp, int up, int vp )
665 uint8_t *y1in = p_inpic->p[yp].p_pixels;
666 uint8_t *uin = p_inpic->p[up].p_pixels;
667 uint8_t *vin = p_inpic->p[vp].p_pixels;
669 uint8_t *y1out = p_outpic->p[yp].p_pixels;
670 uint8_t *uout = p_outpic->p[up].p_pixels;
671 uint8_t *vout = p_outpic->p[vp].p_pixels;
673 const int i_pitch = p_inpic->p[yp].i_pitch;
674 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
675 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
677 const int i_uv_pitch = p_inpic->p[up].i_pitch;
678 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
680 const uint8_t *yend = y1in + i_visible_lines * i_pitch;
683 const uint8_t *y1end = y1in + i_visible_pitch;
684 while( y1in < y1end )
691 *uout++ = crop( (*y1in * -21710 + (*uin-U) * 7471 + (*vin-V) * 15504)
693 *vout++ = crop( (*y1in * -27439 + (*uin-U) * 9443 + (*vin-V) * 19595)
695 *y1out++ = crop( (*y1in++ * 38470 + (*uin-U) * -13239 + (*vin-V) * -27473)
697 *y1out++ = crop( (*y1in++ * 38470 + (*uin++-U) * -13239 + (*vin++-V) * -27473)
700 y1in += i_pitch - i_visible_pitch;
701 y1out += i_pitch - i_visible_pitch;
702 uin += i_uv_pitch - i_uv_visible_pitch;
703 uout += i_uv_pitch - i_uv_visible_pitch;
704 vin += i_uv_pitch - i_uv_visible_pitch;
705 vout += i_uv_pitch - i_uv_visible_pitch;
709 static void get_blue_from_yuv422( picture_t *p_inpic, picture_t *p_outpic,
710 int yp, int up, int vp )
712 uint8_t *y1in = p_inpic->p[yp].p_pixels;
713 uint8_t *uin = p_inpic->p[up].p_pixels;
715 uint8_t *y1out = p_outpic->p[yp].p_pixels;
716 uint8_t *uout = p_outpic->p[up].p_pixels;
717 uint8_t *vout = p_outpic->p[vp].p_pixels;
719 const int i_pitch = p_inpic->p[yp].i_pitch;
720 const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
721 const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
723 const int i_uv_pitch = p_inpic->p[up].i_pitch;
724 const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
726 const uint8_t *yend = y1in + i_visible_lines * i_pitch;
729 const uint8_t *y1end = y1in + i_visible_pitch;
730 while( y1in < y1end )
737 *uout++ = crop( (*y1in* 32768 + (*uin - U) * 58065 )
739 *vout++ = crop( (*y1in * -5329 + (*uin - U) * -9443 )
741 *y1out++ = crop( (*y1in++ * 7471 + (*uin - U) * 13239 )
743 *y1out++ = crop( (*y1in++ * 7471 + (*uin++ - U) * 13239 )
746 y1in += i_pitch - i_visible_pitch;
747 y1out += i_pitch - i_visible_pitch;
748 uin += i_uv_pitch - i_uv_visible_pitch;
749 uout += i_uv_pitch - i_uv_visible_pitch;
750 vout += i_uv_pitch - i_uv_visible_pitch;
754 static int ExtractCallback( vlc_object_t *p_this, char const *psz_var,
755 vlc_value_t oldval, vlc_value_t newval,
759 filter_sys_t *p_sys = (filter_sys_t *)p_data;
761 if( !strcmp( psz_var, FILTER_PREFIX "component" ) )
763 p_sys->i_color = newval.i_int;
764 /* Matrix won't be used for RED, GREEN or BLUE in planar formats */
765 make_projection_matrix( (filter_t *)p_this, p_sys->i_color,
766 p_sys->projection_matrix );
770 msg_Warn( p_this, "Unknown callback command." );