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

   1 /*****************************************************************************
   2  * i422_yuy2.c : YUV to YUV conversion module for vlc
   3  *****************************************************************************
   4  * Copyright (C) 2000, 2001 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 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28 #include <string.h>                                            /* strerror() */
  29 #include <stdlib.h>                                      /* malloc(), free() */
  30
  31 #include <vlc/vlc.h>
  32 #include <vlc_vout.h>
  33
  34 #include "i422_yuy2.h"
  35
  36 #define SRC_FOURCC  "I422"
  37 #if defined (MODULE_NAME_IS_i422_yuy2)
  38 #    define DEST_FOURCC "YUY2,YUNV,YVYU,UYVY,UYNV,Y422,IUYV,cyuv,Y211"
  39 #else
  40 #    define DEST_FOURCC "YUY2,YUNV,YVYU,UYVY,UYNV,Y422,IUYV,cyuv"
  41 #endif
  42
  43 /*****************************************************************************
  44  * Local and extern prototypes.
  45  *****************************************************************************/
  46 static int  Activate ( vlc_object_t * );
  47
  48 static void I422_YUY2           ( vout_thread_t *, picture_t *, picture_t * );
  49 static void I422_YVYU           ( vout_thread_t *, picture_t *, picture_t * );
  50 static void I422_UYVY           ( vout_thread_t *, picture_t *, picture_t * );
  51 static void I422_IUYV           ( vout_thread_t *, picture_t *, picture_t * );
  52 static void I422_cyuv           ( vout_thread_t *, picture_t *, picture_t * );
  53 #if defined (MODULE_NAME_IS_i422_yuy2)
  54 static void I422_Y211           ( vout_thread_t *, picture_t *, picture_t * );
  55 static void I422_Y211           ( vout_thread_t *, picture_t *, picture_t * );
  56 static void I422_YV12           ( vout_thread_t *, picture_t *, picture_t * );
  57 #endif
  58
  59 /*****************************************************************************
  60  * Module descriptor
  61  *****************************************************************************/
  62 vlc_module_begin();
  63 #if defined (MODULE_NAME_IS_i422_yuy2)
  64     set_description( _("Conversions from " SRC_FOURCC " to " DEST_FOURCC) );
  65     set_capability( "chroma", 80 );
  66 #elif defined (MODULE_NAME_IS_i422_yuy2_mmx)
  67     set_description( _("MMX conversions from " SRC_FOURCC " to " DEST_FOURCC) );
  68     set_capability( "chroma", 100 );
  69     add_requirement( MMX );
  70 #endif
  71     set_callbacks( Activate, NULL );
  72 vlc_module_end();
  73
  74 /*****************************************************************************
  75  * Activate: allocate a chroma function
  76  *****************************************************************************
  77  * This function allocates and initializes a chroma function
  78  *****************************************************************************/
  79 static int Activate( vlc_object_t *p_this )
  80 {
  81     vout_thread_t *p_vout = (vout_thread_t *)p_this;
  82
  83     if( p_vout->render.i_width & 1 || p_vout->render.i_height & 1 )
  84     {
  85         return -1;
  86     }
  87
  88     switch( p_vout->render.i_chroma )
  89     {
  90         case VLC_FOURCC('I','4','2','2'):
  91             switch( p_vout->output.i_chroma )
  92             {
  93                 case VLC_FOURCC('Y','U','Y','2'):
  94                 case VLC_FOURCC('Y','U','N','V'):
  95                     p_vout->chroma.pf_convert = I422_YUY2;
  96                     break;
  97
  98                 case VLC_FOURCC('Y','V','Y','U'):
  99                     p_vout->chroma.pf_convert = I422_YVYU;
 100                     break;
 101
 102                 case VLC_FOURCC('U','Y','V','Y'):
 103                 case VLC_FOURCC('U','Y','N','V'):
 104                 case VLC_FOURCC('Y','4','2','2'):
 105                     p_vout->chroma.pf_convert = I422_UYVY;
 106                     break;
 107
 108                 case VLC_FOURCC('I','U','Y','V'):
 109                     p_vout->chroma.pf_convert = I422_IUYV;
 110                     break;
 111
 112                 case VLC_FOURCC('c','y','u','v'):
 113                     p_vout->chroma.pf_convert = I422_cyuv;
 114                     break;
 115
 116 #if defined (MODULE_NAME_IS_i422_yuy2)
 117                 case VLC_FOURCC('Y','2','1','1'):
 118                     p_vout->chroma.pf_convert = I422_Y211;
 119                     break;
 120
 121                 case VLC_FOURCC('Y','V','1','2'):
 122                     p_vout->chroma.pf_convert = I422_YV12;
 123                     break;
 124 #endif
 125
 126                 default:
 127                     return -1;
 128             }
 129             break;
 130
 131         default:
 132             return -1;
 133     }
 134
 135     return 0;
 136 }
 137
 138 /* Following functions are local */
 139
 140 /*****************************************************************************
 141  * I422_YUY2: planar YUV 4:2:2 to packed YUY2 4:2:2
 142  *****************************************************************************/
 143 static void I422_YUY2( vout_thread_t *p_vout, picture_t *p_source,
 144                                               picture_t *p_dest )
 145 {
 146     uint8_t *p_pixels = p_dest->p->p_pixels;
 147     int      i_pitch  = p_dest->p->i_pitch;
 148     uint8_t *p_y = p_source->Y_PIXELS;
 149     uint8_t *p_u = p_source->U_PIXELS;
 150     uint8_t *p_v = p_source->V_PIXELS;
 151
 152     int i_x, i_y;
 153
 154     for( i_y = p_vout->render.i_height ; i_y-- ; )
 155     {
 156         uint8_t *p_line = p_pixels;
 157         for( i_x = p_vout->render.i_width / 8 ; i_x-- ; )
 158         {
 159 #if defined (MODULE_NAME_IS_i422_yuy2)
 160             C_YUV422_YUYV( p_line, p_y, p_u, p_v );
 161             C_YUV422_YUYV( p_line, p_y, p_u, p_v );
 162             C_YUV422_YUYV( p_line, p_y, p_u, p_v );
 163             C_YUV422_YUYV( p_line, p_y, p_u, p_v );
 164 #elif defined (MODULE_NAME_IS_i422_yuy2_mmx)
 165             MMX_CALL( MMX_YUV422_YUYV );
 166 #endif
 167         }
 168         p_pixels += i_pitch;
 169     }
 170 #if defined (MODULE_NAME_IS_i422_yuy2_mmx)
 171     MMX_END;
 172 #elif defined (MODULE_NAME_IS_i422_yuy2_sse2)
 173     SSE2_END;
 174 #endif
 175 }
 176
 177 /*****************************************************************************
 178  * I422_YVYU: planar YUV 4:2:2 to packed YVYU 4:2:2
 179  *****************************************************************************/
 180 static void I422_YVYU( vout_thread_t *p_vout, picture_t *p_source,
 181                                               picture_t *p_dest )
 182 {
 183     uint8_t *p_pixels = p_dest->p->p_pixels;
 184     int      i_pitch  = p_dest->p->i_pitch;
 185     uint8_t *p_y = p_source->Y_PIXELS;
 186     uint8_t *p_u = p_source->U_PIXELS;
 187     uint8_t *p_v = p_source->V_PIXELS;
 188
 189     int i_x, i_y;
 190
 191     for( i_y = p_vout->render.i_height ; i_y-- ; )
 192     {
 193         uint8_t *p_line = p_pixels;
 194         for( i_x = p_vout->render.i_width / 8 ; i_x-- ; )
 195         {
 196 #if defined (MODULE_NAME_IS_i422_yuy2)
 197             C_YUV422_YVYU( p_line, p_y, p_u, p_v );
 198             C_YUV422_YVYU( p_line, p_y, p_u, p_v );
 199             C_YUV422_YVYU( p_line, p_y, p_u, p_v );
 200             C_YUV422_YVYU( p_line, p_y, p_u, p_v );
 201 #elif defined (MODULE_NAME_IS_i422_yuy2_mmx)
 202             MMX_CALL( MMX_YUV422_YVYU );
 203 #endif
 204         }
 205         p_pixels += i_pitch;
 206     }
 207 #if defined (MODULE_NAME_IS_i422_yuy2_mmx)
 208     MMX_END;
 209 #elif defined (MODULE_NAME_IS_i422_yuy2_sse2)
 210     SSE2_END;
 211 #endif
 212 }
 213
 214 /*****************************************************************************
 215  * I422_UYVY: planar YUV 4:2:2 to packed UYVY 4:2:2
 216  *****************************************************************************/
 217 static void I422_UYVY( vout_thread_t *p_vout, picture_t *p_source,
 218                                               picture_t *p_dest )
 219 {
 220     uint8_t *p_pixels = p_dest->p->p_pixels;
 221     int      i_pitch  = p_dest->p->i_pitch;
 222     uint8_t *p_y = p_source->Y_PIXELS;
 223     uint8_t *p_u = p_source->U_PIXELS;
 224     uint8_t *p_v = p_source->V_PIXELS;
 225
 226     int i_x, i_y;
 227
 228     for( i_y = p_vout->render.i_height ; i_y-- ; )
 229     {
 230         uint8_t *p_line = p_pixels;
 231         for( i_x = p_vout->render.i_width / 8 ; i_x-- ; )
 232         {
 233 #if defined (MODULE_NAME_IS_i422_yuy2)
 234             C_YUV422_UYVY( p_line, p_y, p_u, p_v );
 235             C_YUV422_UYVY( p_line, p_y, p_u, p_v );
 236             C_YUV422_UYVY( p_line, p_y, p_u, p_v );
 237             C_YUV422_UYVY( p_line, p_y, p_u, p_v );
 238 #elif defined (MODULE_NAME_IS_i422_yuy2_mmx)
 239             MMX_CALL( MMX_YUV422_UYVY );
 240 #endif
 241         }
 242         p_pixels += i_pitch;
 243     }
 244 #if defined (MODULE_NAME_IS_i422_yuy2_mmx)
 245     MMX_END;
 246 #elif defined (MODULE_NAME_IS_i422_yuy2_sse2)
 247     SSE2_END;
 248 #endif
 249 }
 250
 251 /*****************************************************************************
 252  * I422_IUYV: planar YUV 4:2:2 to interleaved packed IUYV 4:2:2
 253  *****************************************************************************/
 254 static void I422_IUYV( vout_thread_t *p_vout, picture_t *p_source,
 255                                               picture_t *p_dest )
 256 {
 257     /* FIXME: TODO ! */
 258     msg_Err( p_vout, "I422_IUYV unimplemented, please harass <sam@zoy.org>" );
 259 }
 260
 261 /*****************************************************************************
 262  * I422_cyuv: planar YUV 4:2:2 to upside-down packed UYVY 4:2:2
 263  *****************************************************************************/
 264 static void I422_cyuv( vout_thread_t *p_vout, picture_t *p_source,
 265                                               picture_t *p_dest )
 266 {
 267     uint8_t *p_line = p_dest->p->p_pixels + p_dest->p->i_visible_lines * p_dest->p->i_pitch;
 268     uint8_t *p_y = p_source->Y_PIXELS;
 269     uint8_t *p_u = p_source->U_PIXELS;
 270     uint8_t *p_v = p_source->V_PIXELS;
 271
 272     int i_x, i_y;
 273
 274     for( i_y = p_vout->render.i_height ; i_y-- ; )
 275     {
 276         for( i_x = p_vout->render.i_width / 8 ; i_x-- ; )
 277         {
 278             p_line -= 2 * p_dest->p->i_pitch;
 279
 280 #if defined (MODULE_NAME_IS_i422_yuy2)
 281             C_YUV422_UYVY( p_line, p_y, p_u, p_v );
 282             C_YUV422_UYVY( p_line, p_y, p_u, p_v );
 283             C_YUV422_UYVY( p_line, p_y, p_u, p_v );
 284             C_YUV422_UYVY( p_line, p_y, p_u, p_v );
 285 #elif defined (MODULE_NAME_IS_i422_yuy2_mmx)
 286             MMX_CALL( MMX_YUV422_UYVY );
 287 #endif
 288         }
 289     }
 290 #if defined (MODULE_NAME_IS_i422_yuy2_mmx)
 291     MMX_END;
 292 #elif defined (MODULE_NAME_IS_i422_yuy2_sse2)
 293     SSE2_END;
 294 #endif
 295 }
 296
 297 /*****************************************************************************
 298  * I422_Y211: planar YUV 4:2:2 to packed YUYV 2:1:1
 299  *****************************************************************************/
 300 #if defined (MODULE_NAME_IS_i422_yuy2)
 301 static void I422_Y211( vout_thread_t *p_vout, picture_t *p_source,
 302                                               picture_t *p_dest )
 303 {
 304     uint8_t *p_line = p_dest->p->p_pixels + p_dest->p->i_visible_lines * p_dest->p->i_pitch;
 305     uint8_t *p_y = p_source->Y_PIXELS;
 306     uint8_t *p_u = p_source->U_PIXELS;
 307     uint8_t *p_v = p_source->V_PIXELS;
 308
 309     int i_x, i_y;
 310
 311     for( i_y = p_vout->render.i_height ; i_y-- ; )
 312     {
 313         for( i_x = p_vout->render.i_width / 8 ; i_x-- ; )
 314         {
 315             C_YUV422_Y211( p_line, p_y, p_u, p_v );
 316             C_YUV422_Y211( p_line, p_y, p_u, p_v );
 317         }
 318     }
 319 }
 320 #endif
 321
 322
 323 /*****************************************************************************
 324  * I422_YV12: planar YUV 4:2:2 to planar YV12
 325  *****************************************************************************/
 326 #if defined (MODULE_NAME_IS_i422_yuy2)
 327 static void I422_YV12( vout_thread_t *p_vout, picture_t *p_source,
 328                                               picture_t *p_dest )
 329 {
 330     uint16_t i_dpy = p_dest->p[Y_PLANE].i_pitch;
 331     uint16_t i_spy = p_source->p[Y_PLANE].i_pitch;
 332     uint16_t i_dpuv = p_dest->p[U_PLANE].i_pitch;
 333     uint16_t i_spuv = p_source->p[U_PLANE].i_pitch;
 334     uint16_t i_width = p_vout->render.i_width;
 335     uint16_t i_y = p_vout->render.i_height;
 336     uint8_t *p_dy = p_dest->Y_PIXELS + (i_y-1)*i_dpy;
 337     uint8_t *p_y = p_source->Y_PIXELS + (i_y-1)*i_spy;
 338     uint8_t *p_du = p_dest->U_PIXELS + (i_y/2-1)*i_dpuv;
 339     uint8_t *p_u = p_source->U_PIXELS + (i_y-1)*i_spuv;
 340     uint8_t *p_dv = p_dest->V_PIXELS + (i_y/2-1)*i_dpuv;
 341     uint8_t *p_v = p_source->V_PIXELS + (i_y-1)*i_spuv;
 342     i_y /= 2;
 343
 344     for ( ; i_y--; )
 345     {
 346         memcpy(p_dy, p_y, i_width); p_dy -= i_dpy; p_y -= i_spy;
 347         memcpy(p_dy, p_y, i_width); p_dy -= i_dpy; p_y -= i_spy;
 348         memcpy(p_du, p_u, i_width/2); p_du -= i_dpuv; p_u -= 2*i_spuv;
 349         memcpy(p_dv, p_v, i_width/2); p_dv -= i_dpuv; p_v -= 2*i_spuv;
 350     }
 351
 352 }
 353 #endif