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

   1 /*****************************************************************************
   2  * i422_yuy2.c : Planar YUV 4:2:2 to Packed 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
  29 #ifdef HAVE_CONFIG_H
  30 # include "config.h"
  31 #endif
  32
  33 #include <vlc/vlc.h>
  34 #include <vlc_vout.h>
  35
  36 #include "i422_yuy2.h"
  37
  38 #define SRC_FOURCC  "I422"
  39 #if defined (MODULE_NAME_IS_i422_yuy2)
  40 #    define DEST_FOURCC "YUY2,YUNV,YVYU,UYVY,UYNV,Y422,IUYV,cyuv,Y211"
  41 #else
  42 #    define DEST_FOURCC "YUY2,YUNV,YVYU,UYVY,UYNV,Y422,IUYV,cyuv"
  43 #endif
  44
  45 /*****************************************************************************
  46  * Local and extern prototypes.
  47  *****************************************************************************/
  48 static int  Activate ( vlc_object_t * );
  49
  50 static void I422_YUY2           ( vout_thread_t *, picture_t *, picture_t * );
  51 static void I422_YVYU           ( vout_thread_t *, picture_t *, picture_t * );
  52 static void I422_UYVY           ( vout_thread_t *, picture_t *, picture_t * );
  53 static void I422_IUYV           ( vout_thread_t *, picture_t *, picture_t * );
  54 static void I422_cyuv           ( vout_thread_t *, picture_t *, picture_t * );
  55 #if defined (MODULE_NAME_IS_i422_yuy2)
  56 static void I422_Y211           ( vout_thread_t *, picture_t *, picture_t * );
  57 static void I422_Y211           ( vout_thread_t *, picture_t *, picture_t * );
  58 #endif
  59
  60 /*****************************************************************************
  61  * Module descriptor
  62  *****************************************************************************/
  63 vlc_module_begin();
  64 #if defined (MODULE_NAME_IS_i422_yuy2)
  65     set_description( _("Conversions from " SRC_FOURCC " to " DEST_FOURCC) );
  66     set_capability( "chroma", 80 );
  67 #elif defined (MODULE_NAME_IS_i422_yuy2_mmx)
  68     set_description( _("MMX conversions from " SRC_FOURCC " to " DEST_FOURCC) );
  69     set_capability( "chroma", 100 );
  70     add_requirement( MMX );
  71 #elif defined (MODULE_NAME_IS_i422_yuy2_sse2)
  72     set_description( _("SSE2 conversions from " SRC_FOURCC " to " DEST_FOURCC) );
  73     set_capability( "chroma", 120 );
  74     add_requirement( SSE2 );
  75 #endif
  76     set_callbacks( Activate, NULL );
  77 vlc_module_end();
  78
  79 /*****************************************************************************
  80  * Activate: allocate a chroma function
  81  *****************************************************************************
  82  * This function allocates and initializes a chroma function
  83  *****************************************************************************/
  84 static int Activate( vlc_object_t *p_this )
  85 {
  86     vout_thread_t *p_vout = (vout_thread_t *)p_this;
  87
  88     if( p_vout->render.i_width & 1 || p_vout->render.i_height & 1 )
  89     {
  90         return -1;
  91     }
  92
  93     switch( p_vout->render.i_chroma )
  94     {
  95         case VLC_FOURCC('I','4','2','2'):
  96             switch( p_vout->output.i_chroma )
  97             {
  98                 case VLC_FOURCC('Y','U','Y','2'):
  99                 case VLC_FOURCC('Y','U','N','V'):
 100                     p_vout->chroma.pf_convert = I422_YUY2;
 101                     break;
 102
 103                 case VLC_FOURCC('Y','V','Y','U'):
 104                     p_vout->chroma.pf_convert = I422_YVYU;
 105                     break;
 106
 107                 case VLC_FOURCC('U','Y','V','Y'):
 108                 case VLC_FOURCC('U','Y','N','V'):
 109                 case VLC_FOURCC('Y','4','2','2'):
 110                     p_vout->chroma.pf_convert = I422_UYVY;
 111                     break;
 112
 113                 case VLC_FOURCC('I','U','Y','V'):
 114                     p_vout->chroma.pf_convert = I422_IUYV;
 115                     break;
 116
 117                 case VLC_FOURCC('c','y','u','v'):
 118                     p_vout->chroma.pf_convert = I422_cyuv;
 119                     break;
 120
 121 #if defined (MODULE_NAME_IS_i422_yuy2)
 122                 case VLC_FOURCC('Y','2','1','1'):
 123                     p_vout->chroma.pf_convert = I422_Y211;
 124                     break;
 125 #endif
 126
 127                 default:
 128                     return -1;
 129             }
 130             break;
 131
 132         default:
 133             return -1;
 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_line = p_dest->p->p_pixels;
 147     uint8_t *p_y = p_source->Y_PIXELS;
 148     uint8_t *p_u = p_source->U_PIXELS;
 149     uint8_t *p_v = p_source->V_PIXELS;
 150
 151     int i_x, i_y;
 152
 153     const int i_source_margin = p_source->p[0].i_pitch
 154                                  - p_source->p[0].i_visible_pitch;
 155     const int i_source_margin_c = p_source->p[1].i_pitch
 156                                  - p_source->p[1].i_visible_pitch;
 157     const int i_dest_margin = p_dest->p->i_pitch
 158                                - p_dest->p->i_visible_pitch;
 159
 160 #if defined (MODULE_NAME_IS_i422_yuy2_sse2)
 161
 162     if( 0 == (15 & (p_source->p[Y_PLANE].i_pitch|p_dest->p->i_pitch|
 163         ((intptr_t)p_line|(intptr_t)p_y))) )
 164     {
 165         /* use faster SSE2 aligned fetch and store */
 166         for( i_y = p_vout->render.i_height ; i_y-- ; )
 167         {
 168             for( i_x = p_vout->render.i_width / 16 ; i_x-- ; )
 169             {
 170                 SSE2_CALL( SSE2_YUV422_YUYV_ALIGNED );
 171             }
 172             for( i_x = ( p_vout->render.i_width % 16 ) / 2; i_x-- ; )
 173             {
 174                 C_YUV422_YUYV( p_line, p_y, p_u, p_v );
 175             }
 176             p_y += i_source_margin;
 177             p_u += i_source_margin_c;
 178             p_v += i_source_margin_c;
 179             p_line += i_dest_margin;
 180         }
 181     }
 182     else {
 183         /* use slower SSE2 unaligned fetch and store */
 184         for( i_y = p_vout->render.i_height ; i_y-- ; )
 185         {
 186             for( i_x = p_vout->render.i_width / 16 ; i_x-- ; )
 187             {
 188                 SSE2_CALL( SSE2_YUV422_YUYV_UNALIGNED );
 189             }
 190             for( i_x = ( p_vout->render.i_width % 16 ) / 2; i_x-- ; )
 191             {
 192                 C_YUV422_YUYV( p_line, p_y, p_u, p_v );
 193             }
 194             p_y += i_source_margin;
 195             p_u += i_source_margin_c;
 196             p_v += i_source_margin_c;
 197             p_line += i_dest_margin;
 198         }
 199     }
 200     SSE2_END;
 201
 202 #else
 203
 204     for( i_y = p_vout->render.i_height ; i_y-- ; )
 205     {
 206         for( i_x = p_vout->render.i_width / 8 ; i_x-- ; )
 207         {
 208 #if defined (MODULE_NAME_IS_i422_yuy2)
 209             C_YUV422_YUYV( p_line, p_y, p_u, p_v );
 210             C_YUV422_YUYV( p_line, p_y, p_u, p_v );
 211             C_YUV422_YUYV( p_line, p_y, p_u, p_v );
 212             C_YUV422_YUYV( p_line, p_y, p_u, p_v );
 213 #elif defined (MODULE_NAME_IS_i422_yuy2_mmx)
 214             MMX_CALL( MMX_YUV422_YUYV );
 215 #endif
 216         }
 217         for( i_x = ( p_vout->render.i_width % 8 ) / 2; i_x-- ; )
 218         {
 219             C_YUV422_YUYV( p_line, p_y, p_u, p_v );
 220         }
 221         p_y += i_source_margin;
 222         p_u += i_source_margin_c;
 223         p_v += i_source_margin_c;
 224         p_line += i_dest_margin;
 225     }
 226 #if defined (MODULE_NAME_IS_i422_yuy2_mmx)
 227     MMX_END;
 228 #endif
 229
 230 #endif
 231 }
 232
 233 /*****************************************************************************
 234  * I422_YVYU: planar YUV 4:2:2 to packed YVYU 4:2:2
 235  *****************************************************************************/
 236 static void I422_YVYU( vout_thread_t *p_vout, picture_t *p_source,
 237                                               picture_t *p_dest )
 238 {
 239     uint8_t *p_line = p_dest->p->p_pixels;
 240     uint8_t *p_y = p_source->Y_PIXELS;
 241     uint8_t *p_u = p_source->U_PIXELS;
 242     uint8_t *p_v = p_source->V_PIXELS;
 243
 244     int i_x, i_y;
 245
 246     const int i_source_margin = p_source->p[0].i_pitch
 247                                  - p_source->p[0].i_visible_pitch;
 248     const int i_source_margin_c = p_source->p[1].i_pitch
 249                                  - p_source->p[1].i_visible_pitch;
 250     const int i_dest_margin = p_dest->p->i_pitch
 251                                - p_dest->p->i_visible_pitch;
 252
 253 #if defined (MODULE_NAME_IS_i422_yuy2_sse2)
 254
 255     if( 0 == (15 & (p_source->p[Y_PLANE].i_pitch|p_dest->p->i_pitch|
 256         ((intptr_t)p_line|(intptr_t)p_y))) )
 257     {
 258         /* use faster SSE2 aligned fetch and store */
 259         for( i_y = p_vout->render.i_height ; i_y-- ; )
 260         {
 261             for( i_x = p_vout->render.i_width / 16 ; i_x-- ; )
 262             {
 263                 SSE2_CALL( SSE2_YUV422_YVYU_ALIGNED );
 264             }
 265             for( i_x = ( p_vout->render.i_width % 16 ) / 2; i_x-- ; )
 266             {
 267                 C_YUV422_YVYU( p_line, p_y, p_u, p_v );
 268             }
 269             p_y += i_source_margin;
 270             p_u += i_source_margin_c;
 271             p_v += i_source_margin_c;
 272             p_line += i_dest_margin;
 273         }
 274     }
 275     else {
 276         /* use slower SSE2 unaligned fetch and store */
 277         for( i_y = p_vout->render.i_height ; i_y-- ; )
 278         {
 279             for( i_x = p_vout->render.i_width / 16 ; i_x-- ; )
 280             {
 281                 SSE2_CALL( SSE2_YUV422_YVYU_UNALIGNED );
 282             }
 283             for( i_x = ( p_vout->render.i_width % 16 ) / 2; i_x-- ; )
 284             {
 285                 C_YUV422_YVYU( p_line, p_y, p_u, p_v );
 286             }
 287             p_y += i_source_margin;
 288             p_u += i_source_margin_c;
 289             p_v += i_source_margin_c;
 290             p_line += i_dest_margin;
 291         }
 292     }
 293     SSE2_END;
 294
 295 #else
 296
 297     for( i_y = p_vout->render.i_height ; i_y-- ; )
 298     {
 299         for( i_x = p_vout->render.i_width / 8 ; i_x-- ; )
 300         {
 301 #if defined (MODULE_NAME_IS_i422_yuy2)
 302             C_YUV422_YVYU( p_line, p_y, p_u, p_v );
 303             C_YUV422_YVYU( p_line, p_y, p_u, p_v );
 304             C_YUV422_YVYU( p_line, p_y, p_u, p_v );
 305             C_YUV422_YVYU( p_line, p_y, p_u, p_v );
 306 #elif defined (MODULE_NAME_IS_i422_yuy2_mmx)
 307             MMX_CALL( MMX_YUV422_YVYU );
 308 #endif
 309         }
 310         for( i_x = ( p_vout->render.i_width % 8 ) / 2; i_x-- ; )
 311         {
 312             C_YUV422_YVYU( p_line, p_y, p_u, p_v );
 313         }
 314         p_y += i_source_margin;
 315         p_u += i_source_margin_c;
 316         p_v += i_source_margin_c;
 317         p_line += i_dest_margin;
 318     }
 319 #if defined (MODULE_NAME_IS_i422_yuy2_mmx)
 320     MMX_END;
 321 #endif
 322
 323 #endif
 324 }
 325
 326 /*****************************************************************************
 327  * I422_UYVY: planar YUV 4:2:2 to packed UYVY 4:2:2
 328  *****************************************************************************/
 329 static void I422_UYVY( vout_thread_t *p_vout, picture_t *p_source,
 330                                               picture_t *p_dest )
 331 {
 332     uint8_t *p_line = p_dest->p->p_pixels;
 333     uint8_t *p_y = p_source->Y_PIXELS;
 334     uint8_t *p_u = p_source->U_PIXELS;
 335     uint8_t *p_v = p_source->V_PIXELS;
 336
 337     int i_x, i_y;
 338
 339     const int i_source_margin = p_source->p[0].i_pitch
 340                                  - p_source->p[0].i_visible_pitch;
 341     const int i_source_margin_c = p_source->p[1].i_pitch
 342                                  - p_source->p[1].i_visible_pitch;
 343     const int i_dest_margin = p_dest->p->i_pitch
 344                                - p_dest->p->i_visible_pitch;
 345
 346 #if defined (MODULE_NAME_IS_i422_yuy2_sse2)
 347
 348     if( 0 == (15 & (p_source->p[Y_PLANE].i_pitch|p_dest->p->i_pitch|
 349         ((intptr_t)p_line|(intptr_t)p_y))) )
 350     {
 351         /* use faster SSE2 aligned fetch and store */
 352         for( i_y = p_vout->render.i_height ; i_y-- ; )
 353         {
 354             for( i_x = p_vout->render.i_width / 16 ; i_x-- ; )
 355             {
 356                 SSE2_CALL( SSE2_YUV422_UYVY_ALIGNED );
 357             }
 358             for( i_x = ( p_vout->render.i_width % 16 ) / 2; i_x-- ; )
 359             {
 360                 C_YUV422_UYVY( p_line, p_y, p_u, p_v );
 361             }
 362             p_y += i_source_margin;
 363             p_u += i_source_margin_c;
 364             p_v += i_source_margin_c;
 365             p_line += i_dest_margin;
 366         }
 367     }
 368     else {
 369         /* use slower SSE2 unaligned fetch and store */
 370         for( i_y = p_vout->render.i_height ; i_y-- ; )
 371         {
 372             for( i_x = p_vout->render.i_width / 16 ; i_x-- ; )
 373             {
 374                 SSE2_CALL( SSE2_YUV422_UYVY_UNALIGNED );
 375             }
 376             for( i_x = ( p_vout->render.i_width % 16 ) / 2; i_x-- ; )
 377             {
 378                 C_YUV422_UYVY( p_line, p_y, p_u, p_v );
 379             }
 380             p_y += i_source_margin;
 381             p_u += i_source_margin_c;
 382             p_v += i_source_margin_c;
 383             p_line += i_dest_margin;
 384         }
 385     }
 386     SSE2_END;
 387
 388 #else
 389
 390     for( i_y = p_vout->render.i_height ; i_y-- ; )
 391     {
 392         for( i_x = p_vout->render.i_width / 8 ; i_x-- ; )
 393         {
 394 #if defined (MODULE_NAME_IS_i422_yuy2)
 395             C_YUV422_UYVY( p_line, p_y, p_u, p_v );
 396             C_YUV422_UYVY( p_line, p_y, p_u, p_v );
 397             C_YUV422_UYVY( p_line, p_y, p_u, p_v );
 398             C_YUV422_UYVY( p_line, p_y, p_u, p_v );
 399 #elif defined (MODULE_NAME_IS_i422_yuy2_mmx)
 400             MMX_CALL( MMX_YUV422_UYVY );
 401 #endif
 402         }
 403         for( i_x = ( p_vout->render.i_width % 8 ) / 2; i_x-- ; )
 404         {
 405             C_YUV422_UYVY( p_line, p_y, p_u, p_v );
 406         }
 407         p_y += i_source_margin;
 408         p_u += i_source_margin_c;
 409         p_v += i_source_margin_c;
 410         p_line += i_dest_margin;
 411     }
 412 #if defined (MODULE_NAME_IS_i422_yuy2_mmx)
 413     MMX_END;
 414 #endif
 415
 416 #endif
 417 }
 418
 419 /*****************************************************************************
 420  * I422_IUYV: planar YUV 4:2:2 to interleaved packed IUYV 4:2:2
 421  *****************************************************************************/
 422 static void I422_IUYV( vout_thread_t *p_vout, picture_t *p_source,
 423                                               picture_t *p_dest )
 424 {
 425     VLC_UNUSED(p_source); VLC_UNUSED(p_dest);
 426     /* FIXME: TODO ! */
 427     msg_Err( p_vout, "I422_IUYV unimplemented, please harass <sam@zoy.org>" );
 428 }
 429
 430 /*****************************************************************************
 431  * I422_cyuv: planar YUV 4:2:2 to upside-down packed UYVY 4:2:2
 432  *****************************************************************************/
 433 static void I422_cyuv( vout_thread_t *p_vout, picture_t *p_source,
 434                                               picture_t *p_dest )
 435 {
 436     uint8_t *p_line = p_dest->p->p_pixels + p_dest->p->i_visible_lines * p_dest->p->i_pitch;
 437     uint8_t *p_y = p_source->Y_PIXELS;
 438     uint8_t *p_u = p_source->U_PIXELS;
 439     uint8_t *p_v = p_source->V_PIXELS;
 440
 441     int i_x, i_y;
 442
 443     const int i_source_margin = p_source->p[0].i_pitch
 444                                  - p_source->p[0].i_visible_pitch;
 445     const int i_source_margin_c = p_source->p[1].i_pitch
 446                                  - p_source->p[1].i_visible_pitch;
 447     const int i_dest_margin = p_dest->p->i_pitch
 448                                - p_dest->p->i_visible_pitch;
 449
 450 #if defined (MODULE_NAME_IS_i422_yuy2_sse2)
 451
 452     if( 0 == (15 & (p_source->p[Y_PLANE].i_pitch|p_dest->p->i_pitch|
 453         ((intptr_t)p_line|(intptr_t)p_y))) )
 454     {
 455         /* use faster SSE2 aligned fetch and store */
 456         for( i_y = p_vout->render.i_height ; i_y-- ; )
 457         {
 458             p_line -= 2 * p_dest->p->i_pitch;
 459
 460             for( i_x = p_vout->render.i_width / 16 ; i_x-- ; )
 461             {
 462                 SSE2_CALL( SSE2_YUV422_UYVY_ALIGNED );
 463             }
 464             for( i_x = ( p_vout->render.i_width % 16 ) / 2; i_x-- ; )
 465             {
 466                 C_YUV422_UYVY( p_line, p_y, p_u, p_v );
 467             }
 468             p_y += i_source_margin;
 469             p_u += i_source_margin_c;
 470             p_v += i_source_margin_c;
 471             p_line += i_dest_margin;
 472         }
 473     }
 474     else {
 475         /* use slower SSE2 unaligned fetch and store */
 476         for( i_y = p_vout->render.i_height ; i_y-- ; )
 477         {
 478             p_line -= 2 * p_dest->p->i_pitch;
 479
 480             for( i_x = p_vout->render.i_width / 16 ; i_x-- ; )
 481             {
 482                 SSE2_CALL( SSE2_YUV422_UYVY_UNALIGNED );
 483             }
 484             for( i_x = ( p_vout->render.i_width % 16 ) / 2; i_x-- ; )
 485             {
 486                 C_YUV422_UYVY( p_line, p_y, p_u, p_v );
 487             }
 488             p_y += i_source_margin;
 489             p_u += i_source_margin_c;
 490             p_v += i_source_margin_c;
 491             p_line += i_dest_margin;
 492         }
 493     }
 494     SSE2_END;
 495
 496 #else
 497
 498     for( i_y = p_vout->render.i_height ; i_y-- ; )
 499     {
 500         for( i_x = p_vout->render.i_width / 8 ; i_x-- ; )
 501         {
 502             p_line -= 2 * p_dest->p->i_pitch;
 503
 504 #if defined (MODULE_NAME_IS_i422_yuy2)
 505             C_YUV422_UYVY( p_line, p_y, p_u, p_v );
 506             C_YUV422_UYVY( p_line, p_y, p_u, p_v );
 507             C_YUV422_UYVY( p_line, p_y, p_u, p_v );
 508             C_YUV422_UYVY( p_line, p_y, p_u, p_v );
 509 #elif defined (MODULE_NAME_IS_i422_yuy2_mmx)
 510             MMX_CALL( MMX_YUV422_UYVY );
 511 #endif
 512         }
 513         p_y += i_source_margin;
 514         p_u += i_source_margin_c;
 515         p_v += i_source_margin_c;
 516         p_line += i_dest_margin;
 517     }
 518 #if defined (MODULE_NAME_IS_i422_yuy2_mmx)
 519     MMX_END;
 520 #elif defined (MODULE_NAME_IS_i422_yuy2_sse2)
 521     SSE2_END;
 522 #endif
 523
 524 #endif
 525 }
 526
 527 /*****************************************************************************
 528  * I422_Y211: planar YUV 4:2:2 to packed YUYV 2:1:1
 529  *****************************************************************************/
 530 #if defined (MODULE_NAME_IS_i422_yuy2)
 531 static void I422_Y211( vout_thread_t *p_vout, picture_t *p_source,
 532                                               picture_t *p_dest )
 533 {
 534     uint8_t *p_line = p_dest->p->p_pixels + p_dest->p->i_visible_lines * p_dest->p->i_pitch;
 535     uint8_t *p_y = p_source->Y_PIXELS;
 536     uint8_t *p_u = p_source->U_PIXELS;
 537     uint8_t *p_v = p_source->V_PIXELS;
 538
 539     int i_x, i_y;
 540
 541     for( i_y = p_vout->render.i_height ; i_y-- ; )
 542     {
 543         for( i_x = p_vout->render.i_width / 8 ; i_x-- ; )
 544         {
 545             C_YUV422_Y211( p_line, p_y, p_u, p_v );
 546             C_YUV422_Y211( p_line, p_y, p_u, p_v );
 547         }
 548     }
 549 }
 550 #endif