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  *          Damien Fouilleul <damienf@videolan.org>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 #ifdef MODULE_NAME_IS_i422_yuy2_mmx
  26
  27 #if defined(CAN_COMPILE_MMX)
  28
  29 /* MMX assembly */
  30
  31 #define MMX_CALL(MMX_INSTRUCTIONS)          \
  32     do {                                    \
  33     __asm__ __volatile__(                   \
  34         ".p2align 3 \n\t"                   \
  35         MMX_INSTRUCTIONS                    \
  36         :                                   \
  37         : "r" (p_line), "r" (p_y),          \
  38           "r" (p_u), "r" (p_v) );           \
  39         p_line += 16; p_y += 8;             \
  40         p_u += 4; p_v += 4;                 \
  41     } while(0)
  42
  43 #define MMX_END __asm__ __volatile__ ( "emms" )
  44
  45 #define MMX_YUV422_YUYV "                                                 \n\
  46 movq       (%1), %%mm0  # Load 8 Y            y7 y6 y5 y4 y3 y2 y1 y0     \n\
  47 movd       (%2), %%mm1  # Load 4 Cb           00 00 00 00 u3 u2 u1 u0     \n\
  48 movd       (%3), %%mm2  # Load 4 Cr           00 00 00 00 v3 v2 v1 v0     \n\
  49 punpcklbw %%mm2, %%mm1  #                     v3 u3 v2 u2 v1 u1 v0 u0     \n\
  50 movq      %%mm0, %%mm2  #                     y7 y6 y5 y4 y3 y2 y1 y0     \n\
  51 punpcklbw %%mm1, %%mm2  #                     v1 y3 u1 y2 v0 y1 u0 y0     \n\
  52 movq      %%mm2, (%0)   # Store low YUYV                                  \n\
  53 punpckhbw %%mm1, %%mm0  #                     v3 y7 u3 y6 v2 y5 u2 y4     \n\
  54 movq      %%mm0, 8(%0)  # Store high YUYV                                 \n\
  55 "
  56
  57 #define MMX_YUV422_YVYU "                                                 \n\
  58 movq       (%1), %%mm0  # Load 8 Y            y7 y6 y5 y4 y3 y2 y1 y0     \n\
  59 movd       (%2), %%mm2  # Load 4 Cb           00 00 00 00 u3 u2 u1 u0     \n\
  60 movd       (%3), %%mm1  # Load 4 Cr           00 00 00 00 v3 v2 v1 v0     \n\
  61 punpcklbw %%mm2, %%mm1  #                     u3 v3 u2 v2 u1 v1 u0 v0     \n\
  62 movq      %%mm0, %%mm2  #                     y7 y6 y5 y4 y3 y2 y1 y0     \n\
  63 punpcklbw %%mm1, %%mm2  #                     u1 y3 v1 y2 u0 y1 v0 y0     \n\
  64 movq      %%mm2, (%0)   # Store low YUYV                                  \n\
  65 punpckhbw %%mm1, %%mm0  #                     u3 y7 v3 y6 u2 y5 v2 y4     \n\
  66 movq      %%mm0, 8(%0)  # Store high YUYV                                 \n\
  67 "
  68
  69 #define MMX_YUV422_UYVY "                                                 \n\
  70 movq       (%1), %%mm0  # Load 8 Y            y7 y6 y5 y4 y3 y2 y1 y0     \n\
  71 movd       (%2), %%mm1  # Load 4 Cb           00 00 00 00 u3 u2 u1 u0     \n\
  72 movd       (%3), %%mm2  # Load 4 Cr           00 00 00 00 v3 v2 v1 v0     \n\
  73 punpcklbw %%mm2, %%mm1  #                     v3 u3 v2 u2 v1 u1 v0 u0     \n\
  74 movq      %%mm1, %%mm2  #                     v3 u3 v2 u2 v1 u1 v0 u0     \n\
  75 punpcklbw %%mm0, %%mm2  #                     y3 v1 y2 u1 y1 v0 y0 u0     \n\
  76 movq      %%mm2, (%0)   # Store low UYVY                                  \n\
  77 punpckhbw %%mm0, %%mm1  #                     y7 v3 y6 u3 y5 v2 y4 u2     \n\
  78 movq      %%mm1, 8(%0)  # Store high UYVY                                 \n\
  79 "
  80
  81 #define MMX_YUV422_Y211 "                                                 \n\
  82 "
  83
  84 #elif defined(HAVE_MMX_INTRINSICS)
  85
  86 /* MMX intrinsics */
  87
  88 #include <mmintrin.h>
  89
  90 #define MMX_END _mm_empty()
  91
  92 #endif
  93
  94 #elif defined( MODULE_NAME_IS_i422_yuy2_sse2 )
  95
  96 #if defined(CAN_COMPILE_SSE2)
  97
  98 /* SSE2 assembly */
  99
 100 #define SSE2_END  __asm__ __volatile__ ( "sfence" ::: "memory" )
 101
 102 #elif defined(HAVE_SSE2_INTRINSICS)
 103
 104 /* SSE2 intrinsics */
 105
 106 #include <emmintrin.h>
 107
 108
 109 #define SSE2_END  _mm_sfence()
 110
 111 #endif
 112
 113 #elif defined (MODULE_NAME_IS_i422_yuy2)
 114
 115 #define C_YUV422_YUYV( p_line, p_y, p_u, p_v )                              \
 116     *(p_line)++ = *(p_y)++;                                                 \
 117     *(p_line)++ = *(p_u)++;                                                 \
 118     *(p_line)++ = *(p_y)++;                                                 \
 119     *(p_line)++ = *(p_v)++;                                                 \
 120
 121 #define C_YUV422_YVYU( p_line, p_y, p_u, p_v )                              \
 122     *(p_line)++ = *(p_y)++;                                                 \
 123     *(p_line)++ = *(p_v)++;                                                 \
 124     *(p_line)++ = *(p_y)++;                                                 \
 125     *(p_line)++ = *(p_u)++;                                                 \
 126
 127 #define C_YUV422_UYVY( p_line, p_y, p_u, p_v )                              \
 128     *(p_line)++ = *(p_u)++;                                                 \
 129     *(p_line)++ = *(p_y)++;                                                 \
 130     *(p_line)++ = *(p_v)++;                                                 \
 131     *(p_line)++ = *(p_y)++;                                                 \
 132
 133 #define C_YUV422_Y211( p_line, p_y, p_u, p_v )                              \
 134     *(p_line)++ = *(p_y); p_y += 2;                                         \
 135     *(p_line)++ = *(p_u) - 0x80; p_u += 2;                                  \
 136     *(p_line)++ = *(p_y); p_y += 2;                                         \
 137     *(p_line)++ = *(p_v) - 0x80; p_v += 2;                                  \
 138
 139 #endif
 140