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revision 1.3.2.3, Sat Jan 4 06:14:33 2003 UTC revision 1.13, Mon Oct 30 10:52:00 2006 UTC
# Line 1  Line 1 
1  /**************************************************************************  /*****************************************************************************
2   *   *
3   *      XVID MPEG-4 VIDEO CODEC   *      XVID MPEG-4 VIDEO CODEC
4   *      colorspace conversions   *  - Colorspace conversion functions -
5     *
6     *  Copyright(C) 2001-2003 Peter Ross <pross@xvid.org>
7   *   *
8   *      This program is free software; you can redistribute it and/or modify   *      This program is free software; you can redistribute it and/or modify
9   *      it under the terms of the GNU General Public License as published by   *      it under the terms of the GNU General Public License as published by
# Line 15  Line 17 
17   *   *
18   *      You should have received a copy of the GNU General Public License   *      You should have received a copy of the GNU General Public License
19   *      along with this program; if not, write to the Free Software   *      along with this program; if not, write to the Free Software
20   *      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.   *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  *  
  *************************************************************************/  
   
 /**************************************************************************  
  *  
  *      History:  
21   *   *
22   *      14.04.2002      added user_to_yuv_c()   * $Id$
  *      30.02.2002      out_yuv dst_stride2 fix  
  *      26.02.2002      rgb555, rgb565  
  *      24.11.2001      accuracy improvement to yuyv/vyuy conversion  
  *      28.10.2001      total rewrite <pross@cs.rmit.edu.au>  
23   *   *
24   **************************************************************************/   ****************************************************************************/
25    
26  #include <string.h>                             // memcpy  #include <string.h>                             /* memcpy */
27    
28  #include "../global.h"  #include "../global.h"
 #include "../divx4.h"                   // DEC_PICTURE  
29  #include "colorspace.h"  #include "colorspace.h"
30    
31  // function pointers  /* function pointers */
32    
33  /* input */  /* input */
34  packedFuncPtr rgb555_to_yv12;  packedFuncPtr rgb555_to_yv12;
# Line 46  Line 37 
37  packedFuncPtr bgra_to_yv12;  packedFuncPtr bgra_to_yv12;
38  packedFuncPtr abgr_to_yv12;  packedFuncPtr abgr_to_yv12;
39  packedFuncPtr rgba_to_yv12;  packedFuncPtr rgba_to_yv12;
40  packedFuncPtr yuv_to_yv12;  packedFuncPtr argb_to_yv12;
41  packedFuncPtr yuyv_to_yv12;  packedFuncPtr yuyv_to_yv12;
42  packedFuncPtr uyvy_to_yv12;  packedFuncPtr uyvy_to_yv12;
43    
# Line 56  Line 47 
47  packedFuncPtr bgrai_to_yv12;  packedFuncPtr bgrai_to_yv12;
48  packedFuncPtr abgri_to_yv12;  packedFuncPtr abgri_to_yv12;
49  packedFuncPtr rgbai_to_yv12;  packedFuncPtr rgbai_to_yv12;
50    packedFuncPtr argbi_to_yv12;
51  packedFuncPtr yuyvi_to_yv12;  packedFuncPtr yuyvi_to_yv12;
52  packedFuncPtr uyvyi_to_yv12;  packedFuncPtr uyvyi_to_yv12;
53    
# Line 66  Line 58 
58  packedFuncPtr yv12_to_bgra;  packedFuncPtr yv12_to_bgra;
59  packedFuncPtr yv12_to_abgr;  packedFuncPtr yv12_to_abgr;
60  packedFuncPtr yv12_to_rgba;  packedFuncPtr yv12_to_rgba;
61  packedFuncPtr yv12_to_yuv;  packedFuncPtr yv12_to_argb;
62  packedFuncPtr yv12_to_yuyv;  packedFuncPtr yv12_to_yuyv;
63  packedFuncPtr yv12_to_uyvy;  packedFuncPtr yv12_to_uyvy;
64    
# Line 76  Line 68 
68  packedFuncPtr yv12_to_bgrai;  packedFuncPtr yv12_to_bgrai;
69  packedFuncPtr yv12_to_abgri;  packedFuncPtr yv12_to_abgri;
70  packedFuncPtr yv12_to_rgbai;  packedFuncPtr yv12_to_rgbai;
71    packedFuncPtr yv12_to_argbi;
72  packedFuncPtr yv12_to_yuyvi;  packedFuncPtr yv12_to_yuyvi;
73  packedFuncPtr yv12_to_uyvyi;  packedFuncPtr yv12_to_uyvyi;
74    
75  planarFuncPtr yv12_to_yv12;  planarFuncPtr yv12_to_yv12;
76    
77    
78  int32_t RGB_Y_tab[256];  static int32_t RGB_Y_tab[256];
79  int32_t B_U_tab[256];  static int32_t B_U_tab[256];
80  int32_t G_U_tab[256];  static int32_t G_U_tab[256];
81  int32_t G_V_tab[256];  static int32_t G_V_tab[256];
82  int32_t R_V_tab[256];  static int32_t R_V_tab[256];
83    
84    
85    
# Line 297  Line 290 
290  MAKE_COLORSPACE(bgra_to_yv12_c,    4,2,2, RGB_TO_YV12,    2,1,0, 0)  MAKE_COLORSPACE(bgra_to_yv12_c,    4,2,2, RGB_TO_YV12,    2,1,0, 0)
291  MAKE_COLORSPACE(abgr_to_yv12_c,    4,2,2, RGB_TO_YV12,    3,2,1, 0)  MAKE_COLORSPACE(abgr_to_yv12_c,    4,2,2, RGB_TO_YV12,    3,2,1, 0)
292  MAKE_COLORSPACE(rgba_to_yv12_c,    4,2,2, RGB_TO_YV12,    0,1,2, 0)  MAKE_COLORSPACE(rgba_to_yv12_c,    4,2,2, RGB_TO_YV12,    0,1,2, 0)
293    MAKE_COLORSPACE(argb_to_yv12_c,    4,2,2, RGB_TO_YV12,    1,2,3, 0)
294  MAKE_COLORSPACE(yuyv_to_yv12_c,    2,2,2, YUYV_TO_YV12,   0,1,2,3)  MAKE_COLORSPACE(yuyv_to_yv12_c,    2,2,2, YUYV_TO_YV12,   0,1,2,3)
295  MAKE_COLORSPACE(uyvy_to_yv12_c,    2,2,2, YUYV_TO_YV12,   1,0,3,2)  MAKE_COLORSPACE(uyvy_to_yv12_c,    2,2,2, YUYV_TO_YV12,   1,0,3,2)
296    
# Line 306  Line 300 
300  MAKE_COLORSPACE(bgrai_to_yv12_c,   4,2,4, RGBI_TO_YV12,   2,1,0, 0)  MAKE_COLORSPACE(bgrai_to_yv12_c,   4,2,4, RGBI_TO_YV12,   2,1,0, 0)
301  MAKE_COLORSPACE(abgri_to_yv12_c,   4,2,4, RGBI_TO_YV12,   3,2,1, 0)  MAKE_COLORSPACE(abgri_to_yv12_c,   4,2,4, RGBI_TO_YV12,   3,2,1, 0)
302  MAKE_COLORSPACE(rgbai_to_yv12_c,   4,2,4, RGBI_TO_YV12,   0,1,2, 0)  MAKE_COLORSPACE(rgbai_to_yv12_c,   4,2,4, RGBI_TO_YV12,   0,1,2, 0)
303    MAKE_COLORSPACE(argbi_to_yv12_c,   4,2,4, RGBI_TO_YV12,   1,2,3, 0)
304  MAKE_COLORSPACE(yuyvi_to_yv12_c,   2,2,4, YUYVI_TO_YV12,  0,1,2,3)  MAKE_COLORSPACE(yuyvi_to_yv12_c,   2,2,4, YUYVI_TO_YV12,  0,1,2,3)
305  MAKE_COLORSPACE(uyvyi_to_yv12_c,   2,2,4, YUYVI_TO_YV12,  1,0,3,2)  MAKE_COLORSPACE(uyvyi_to_yv12_c,   2,2,4, YUYVI_TO_YV12,  1,0,3,2)
306    
# Line 342  Line 337 
337          ((MAX(0,MIN(255, B)) >> 3) & 0x001f)          ((MAX(0,MIN(255, B)) >> 3) & 0x001f)
338    
339  #define WRITE_RGB16(ROW,UV_ROW,C1)      \  #define WRITE_RGB16(ROW,UV_ROW,C1)      \
340          rgb_y = RGB_Y_tab[ y_ptr[y_stride + 0] ];                       \          rgb_y = RGB_Y_tab[ y_ptr[y_stride*(ROW) + 0] ];                                         \
341          b[ROW] = (b[ROW] & 0x7) + ((rgb_y + b_u##UV_ROW) >> SCALEBITS_OUT);     \          b[ROW] = (b[ROW] & 0x7) + ((rgb_y + b_u##UV_ROW) >> SCALEBITS_OUT);     \
342          g[ROW] = (g[ROW] & 0x7) + ((rgb_y - g_uv##UV_ROW) >> SCALEBITS_OUT);    \          g[ROW] = (g[ROW] & 0x7) + ((rgb_y - g_uv##UV_ROW) >> SCALEBITS_OUT);    \
343          r[ROW] = (r[ROW] & 0x7) + ((rgb_y + r_v##UV_ROW) >> SCALEBITS_OUT);             \          r[ROW] = (r[ROW] & 0x7) + ((rgb_y + r_v##UV_ROW) >> SCALEBITS_OUT);             \
344          *(uint16_t *) (x_ptr+((ROW)*x_stride)+0) = C1(r[ROW], g[ROW], b[ROW]);  \          *(uint16_t *) (x_ptr+((ROW)*x_stride)+0) = C1(r[ROW], g[ROW], b[ROW]);  \
345          rgb_y = RGB_Y_tab[ y_ptr[y_stride + 1] ];                               \          rgb_y = RGB_Y_tab[ y_ptr[y_stride*(ROW) + 1] ];                         \
346          b[ROW] = (b[ROW] & 0x7) + ((rgb_y + b_u##UV_ROW) >> SCALEBITS_OUT);             \          b[ROW] = (b[ROW] & 0x7) + ((rgb_y + b_u##UV_ROW) >> SCALEBITS_OUT);             \
347          g[ROW] = (g[ROW] & 0x7) + ((rgb_y - g_uv##UV_ROW) >> SCALEBITS_OUT);    \          g[ROW] = (g[ROW] & 0x7) + ((rgb_y - g_uv##UV_ROW) >> SCALEBITS_OUT);    \
348          r[ROW] = (r[ROW] & 0x7) + ((rgb_y + r_v##UV_ROW) >> SCALEBITS_OUT);             \          r[ROW] = (r[ROW] & 0x7) + ((rgb_y + r_v##UV_ROW) >> SCALEBITS_OUT);             \
# Line 449  Line 444 
444  MAKE_COLORSPACE(yv12_to_bgra_c,    4,2,2, YV12_TO_RGB,    2,1,0,3)  MAKE_COLORSPACE(yv12_to_bgra_c,    4,2,2, YV12_TO_RGB,    2,1,0,3)
445  MAKE_COLORSPACE(yv12_to_abgr_c,    4,2,2, YV12_TO_RGB,    3,2,1,0)  MAKE_COLORSPACE(yv12_to_abgr_c,    4,2,2, YV12_TO_RGB,    3,2,1,0)
446  MAKE_COLORSPACE(yv12_to_rgba_c,    4,2,2, YV12_TO_RGB,    0,1,2,3)  MAKE_COLORSPACE(yv12_to_rgba_c,    4,2,2, YV12_TO_RGB,    0,1,2,3)
447    MAKE_COLORSPACE(yv12_to_argb_c,    4,2,2, YV12_TO_RGB,    1,2,3,0)
448  MAKE_COLORSPACE(yv12_to_yuyv_c,    2,2,2, YV12_TO_YUYV,   0,1,2,3)  MAKE_COLORSPACE(yv12_to_yuyv_c,    2,2,2, YV12_TO_YUYV,   0,1,2,3)
449  MAKE_COLORSPACE(yv12_to_uyvy_c,    2,2,2, YV12_TO_YUYV,   1,0,3,2)  MAKE_COLORSPACE(yv12_to_uyvy_c,    2,2,2, YV12_TO_YUYV,   1,0,3,2)
450    
# Line 458  Line 454 
454  MAKE_COLORSPACE(yv12_to_bgrai_c,   4,2,4, YV12_TO_RGBI,   2,1,0,3)  MAKE_COLORSPACE(yv12_to_bgrai_c,   4,2,4, YV12_TO_RGBI,   2,1,0,3)
455  MAKE_COLORSPACE(yv12_to_abgri_c,   4,2,4, YV12_TO_RGBI,   3,2,1,0)  MAKE_COLORSPACE(yv12_to_abgri_c,   4,2,4, YV12_TO_RGBI,   3,2,1,0)
456  MAKE_COLORSPACE(yv12_to_rgbai_c,   4,2,4, YV12_TO_RGBI,   0,1,2,3)  MAKE_COLORSPACE(yv12_to_rgbai_c,   4,2,4, YV12_TO_RGBI,   0,1,2,3)
457    MAKE_COLORSPACE(yv12_to_argbi_c,   4,2,4, YV12_TO_RGBI,   1,2,3,0)
458  MAKE_COLORSPACE(yv12_to_yuyvi_c,   2,2,4, YV12_TO_YUYVI,  0,1,2,3)  MAKE_COLORSPACE(yv12_to_yuyvi_c,   2,2,4, YV12_TO_YUYVI,  0,1,2,3)
459  MAKE_COLORSPACE(yv12_to_uyvyi_c,   2,2,4, YV12_TO_YUYVI,  1,0,3,2)  MAKE_COLORSPACE(yv12_to_uyvyi_c,   2,2,4, YV12_TO_YUYVI,  1,0,3,2)
460    
# Line 475  Line 472 
472          int width2 = width / 2;          int width2 = width / 2;
473          int height2 = height / 2;          int height2 = height / 2;
474          int y;          int y;
475            const int with_uv = (u_src!=0 && v_src!=0);
476    
477          if (vflip) {          if (vflip) {
478                  y_src += (height - 1) * y_src_stride;                  y_src += (height - 1) * y_src_stride;
479                    if (with_uv) {
480                  u_src += (height2 - 1) * uv_src_stride;                  u_src += (height2 - 1) * uv_src_stride;
481                  v_src += (height2 - 1) * uv_src_stride;                  v_src += (height2 - 1) * uv_src_stride;
482                    }
483                  y_src_stride = -y_src_stride;                  y_src_stride = -y_src_stride;
484                  uv_src_stride = -uv_src_stride;                  uv_src_stride = -uv_src_stride;
485          }          }
# Line 490  Line 490 
490                  y_dst += y_dst_stride;                  y_dst += y_dst_stride;
491          }          }
492    
493            if (with_uv) {
494          for (y = height2; y; y--) {          for (y = height2; y; y--) {
495                  memcpy(u_dst, u_src, width2);                  memcpy(u_dst, u_src, width2);
496                            memcpy(v_dst, v_src, width2);
497                  u_src += uv_src_stride;                  u_src += uv_src_stride;
498                  u_dst += uv_dst_stride;                  u_dst += uv_dst_stride;
499                            v_src += uv_src_stride;
500                            v_dst += uv_dst_stride;
501          }          }
502            }
503            else {
504          for (y = height2; y; y--) {          for (y = height2; y; y--) {
505                  memcpy(v_dst, v_src, width2);                          memset(u_dst, 0x80, width2);
506                  v_src += uv_src_stride;                          memset(v_dst, 0x80, width2);
507                            u_dst += uv_dst_stride;
508                  v_dst += uv_dst_stride;                  v_dst += uv_dst_stride;
509          }          }
510  }  }
511    }
512    
513    
514    
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