git.sesse.net Git - vlc/blob - modules/video_chroma/i422_yuy2.h

   1 /*****************************************************************************
   2  * i422_yuy2.h : YUV to YUV conversion module for vlc
   3  *****************************************************************************
   4  * Copyright (C) 2002 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Samuel Hocevar <sam@zoy.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., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  22  *****************************************************************************/
  23
  24 #ifdef MODULE_NAME_IS_i422_yuy2_mmx
  25
  26 #define MMX_YUV422_YUYV "                                                 \n\
  27 movq       (%1), %%mm0  # Load 8 Y            y7 y6 y5 y4 y3 y2 y1 y0     \n\
  28 movd       (%2), %%mm1  # Load 4 Cb           00 00 00 00 u3 u2 u1 u0     \n\
  29 movd       (%3), %%mm2  # Load 4 Cr           00 00 00 00 v3 v2 v1 v0     \n\
  30 punpcklbw %%mm2, %%mm1  #                     v3 u3 v2 u2 v1 u1 v0 u0     \n\
  31 movq      %%mm0, %%mm2  #                     y7 y6 y5 y4 y3 y2 y1 y0     \n\
  32 punpcklbw %%mm1, %%mm2  #                     v1 y3 u1 y2 v0 y1 u0 y0     \n\
  33 movq      %%mm2, (%0)   # Store low YUYV                                  \n\
  34 punpckhbw %%mm1, %%mm0  #                     v3 y7 u3 y6 v2 y5 u2 y4     \n\
  35 movq      %%mm0, 8(%0)  # Store high YUYV                                 \n\
  36 "
  37
  38 #define MMX_YUV422_YVYU "                                                 \n\
  39 movq       (%1), %%mm0  # Load 8 Y            y7 y6 y5 y4 y3 y2 y1 y0     \n\
  40 movd       (%2), %%mm2  # Load 4 Cb           00 00 00 00 u3 u2 u1 u0     \n\
  41 movd       (%3), %%mm1  # Load 4 Cr           00 00 00 00 v3 v2 v1 v0     \n\
  42 punpcklbw %%mm2, %%mm1  #                     u3 v3 u2 v2 u1 v1 u0 v0     \n\
  43 movq      %%mm0, %%mm2  #                     y7 y6 y5 y4 y3 y2 y1 y0     \n\
  44 punpcklbw %%mm1, %%mm2  #                     u1 y3 v1 y2 u0 y1 v0 y0     \n\
  45 movq      %%mm2, (%0)   # Store low YUYV                                  \n\
  46 punpckhbw %%mm1, %%mm0  #                     u3 y7 v3 y6 u2 y5 v2 y4     \n\
  47 movq      %%mm0, 8(%0)  # Store high YUYV                                 \n\
  48 "
  49
  50 #define MMX_YUV422_UYVY "                                                 \n\
  51 movq       (%1), %%mm0  # Load 8 Y            y7 y6 y5 y4 y3 y2 y1 y0     \n\
  52 movd       (%2), %%mm2  # Load 4 Cb           00 00 00 00 u3 u2 u1 u0     \n\
  53 movd       (%3), %%mm1  # Load 4 Cr           00 00 00 00 v3 v2 v1 v0     \n\
  54 punpcklbw %%mm2, %%mm1  #                     u3 v3 u2 v2 u1 v1 u0 v0     \n\
  55 movq      %%mm1, %%mm2  #                     u3 v3 u2 v2 u1 v1 u0 v0     \n\
  56 punpcklbw %%mm0, %%mm2  #                     y3 v1 y2 u1 y1 v0 y0 u0     \n\
  57 movq      %%mm2, (%0)   # Store low UYVY                                  \n\
  58 punpckhbw %%mm0, %%mm1  #                     y7 v3 y6 u3 y5 v2 y4 u2     \n\
  59 movq      %%mm1, 8(%0)  # Store high UYVY                                 \n\
  60 "
  61
  62 #define MMX_YUV422_Y211 "                                                 \n\
  63 "
  64
  65 #else
  66
  67 #define C_YUV422_YUYV( p_line, p_y, p_u, p_v )                              \
  68     *(p_line)++ = *(p_y)++;                                                 \
  69     *(p_line)++ = *(p_u)++;                                                 \
  70     *(p_line)++ = *(p_y)++;                                                 \
  71     *(p_line)++ = *(p_v)++;                                                 \
  72
  73 #define C_YUV422_YVYU( p_line, p_y, p_u, p_v )                              \
  74     *(p_line)++ = *(p_y)++;                                                 \
  75     *(p_line)++ = *(p_v)++;                                                 \
  76     *(p_line)++ = *(p_y)++;                                                 \
  77     *(p_line)++ = *(p_u)++;                                                 \
  78
  79 #define C_YUV422_UYVY( p_line, p_y, p_u, p_v )                              \
  80     *(p_line)++ = *(p_u)++;                                                 \
  81     *(p_line)++ = *(p_y)++;                                                 \
  82     *(p_line)++ = *(p_v)++;                                                 \
  83     *(p_line)++ = *(p_y)++;                                                 \
  84
  85 #define C_YUV422_Y211( p_line, p_y, p_u, p_v )                              \
  86     *(p_line)++ = *(p_y); p_y += 2;                                         \
  87     *(p_line)++ = *(p_u) - 0x80; p_u += 2;                                  \
  88     *(p_line)++ = *(p_y); p_y += 2;                                         \
  89     *(p_line)++ = *(p_v) - 0x80; p_v += 2;                                  \
  90
  91 #endif
  92