i422_yuy2.h
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上传日期：2009-03-27
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- /*****************************************************************************
- * i422_yuy2.h : YUV to YUV conversion module for vlc
- *****************************************************************************
- * Copyright (C) 2002 VideoLAN
- * $Id: i422_yuy2.h 7194 2004-03-29 19:57:07Z fenrir $
- *
- * Authors: Samuel Hocevar <sam@zoy.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
- *****************************************************************************/
- #ifdef MODULE_NAME_IS_i422_yuy2_mmx
- #define MMX_YUV422_YUYV " n
- movq (%1), %%mm0 # Load 8 Y y7 y6 y5 y4 y3 y2 y1 y0 n
- movd (%2), %%mm1 # Load 4 Cb 00 00 00 00 u3 u2 u1 u0 n
- movd (%3), %%mm2 # Load 4 Cr 00 00 00 00 v3 v2 v1 v0 n
- punpcklbw %%mm2, %%mm1 # v3 u3 v2 u2 v1 u1 v0 u0 n
- movq %%mm0, %%mm2 # y7 y6 y5 y4 y3 y2 y1 y0 n
- punpcklbw %%mm1, %%mm2 # v1 y3 u1 y2 v0 y1 u0 y0 n
- movq %%mm2, (%0) # Store low YUYV n
- punpckhbw %%mm1, %%mm0 # v3 y7 u3 y6 v2 y5 u2 y4 n
- movq %%mm0, 8(%0) # Store high YUYV n
- "
- #define MMX_YUV422_YVYU " n
- movq (%1), %%mm0 # Load 8 Y y7 y6 y5 y4 y3 y2 y1 y0 n
- movd (%2), %%mm2 # Load 4 Cb 00 00 00 00 u3 u2 u1 u0 n
- movd (%3), %%mm1 # Load 4 Cr 00 00 00 00 v3 v2 v1 v0 n
- punpcklbw %%mm2, %%mm1 # u3 v3 u2 v2 u1 v1 u0 v0 n
- movq %%mm0, %%mm2 # y7 y6 y5 y4 y3 y2 y1 y0 n
- punpcklbw %%mm1, %%mm2 # u1 y3 v1 y2 u0 y1 v0 y0 n
- movq %%mm2, (%0) # Store low YUYV n
- punpckhbw %%mm1, %%mm0 # u3 y7 v3 y6 u2 y5 v2 y4 n
- movq %%mm0, 8(%0) # Store high YUYV n
- "
- #define MMX_YUV422_UYVY " n
- movq (%1), %%mm0 # Load 8 Y y7 y6 y5 y4 y3 y2 y1 y0 n
- movd (%2), %%mm2 # Load 4 Cb 00 00 00 00 u3 u2 u1 u0 n
- movd (%3), %%mm1 # Load 4 Cr 00 00 00 00 v3 v2 v1 v0 n
- punpcklbw %%mm2, %%mm1 # u3 v3 u2 v2 u1 v1 u0 v0 n
- movq %%mm1, %%mm2 # u3 v3 u2 v2 u1 v1 u0 v0 n
- punpcklbw %%mm0, %%mm2 # y3 v1 y2 u1 y1 v0 y0 u0 n
- movq %%mm2, (%0) # Store low UYVY n
- punpckhbw %%mm0, %%mm1 # y7 v3 y6 u3 y5 v2 y4 u2 n
- movq %%mm1, 8(%0) # Store high UYVY n
- "
- #define MMX_YUV422_Y211 " n
- "
- #else
- #define C_YUV422_YUYV( p_line, p_y, p_u, p_v )
- *(p_line)++ = *(p_y)++;
- *(p_line)++ = *(p_u)++;
- *(p_line)++ = *(p_y)++;
- *(p_line)++ = *(p_v)++;
- #define C_YUV422_YVYU( p_line, p_y, p_u, p_v )
- *(p_line)++ = *(p_y)++;
- *(p_line)++ = *(p_v)++;
- *(p_line)++ = *(p_y)++;
- *(p_line)++ = *(p_u)++;
- #define C_YUV422_UYVY( p_line, p_y, p_u, p_v )
- *(p_line)++ = *(p_u)++;
- *(p_line)++ = *(p_y)++;
- *(p_line)++ = *(p_v)++;
- *(p_line)++ = *(p_y)++;
- #define C_YUV422_Y211( p_line, p_y, p_u, p_v )
- *(p_line)++ = *(p_y); p_y += 2;
- *(p_line)++ = *(p_u) - 0x80; p_u += 2;
- *(p_line)++ = *(p_y); p_y += 2;
- *(p_line)++ = *(p_v) - 0x80; p_v += 2;
- #endif
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