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 #elif defined (MODULE_NAME_IS_i422_yuy2_sse2)
  71     set_description( _("SSE2 conversions from " SRC_FOURCC " to " DEST_FOURCC) );
  72     set_capability( "chroma", 120 );
  73     add_requirement( MMX );
  74 #endif
  75     set_callbacks( Activate, NULL );
  76 vlc_module_end();
  77
  78 /*****************************************************************************
  79  * Activate: allocate a chroma function
  80  *****************************************************************************
  81  * This function allocates and initializes a chroma function
  82  *****************************************************************************/
  83 static int Activate( vlc_object_t *p_this )
  84 {
  85     vout_thread_t *p_vout = (vout_thread_t *)p_this;
  86
  87     if( p_vout->render.i_width & 1 || p_vout->render.i_height & 1 )
  88     {
  89         return -1;
  90     }
  91
  92     switch( p_vout->render.i_chroma )
  93     {
  94         case VLC_FOURCC('I','4','2','2'):
  95             switch( p_vout->output.i_chroma )
  96             {
  97                 case VLC_FOURCC('Y','U','Y','2'):
  98                 case VLC_FOURCC('Y','U','N','V'):
  99                     p_vout->chroma.pf_convert = I422_YUY2;
 100                     break;
 101
 102                 case VLC_FOURCC('Y','V','Y','U'):
 103                     p_vout->chroma.pf_convert = I422_YVYU;
 104                     break;
 105
 106                 case VLC_FOURCC('U','Y','V','Y'):
 107                 case VLC_FOURCC('U','Y','N','V'):
 108                 case VLC_FOURCC('Y','4','2','2'):
 109                     p_vout->chroma.pf_convert = I422_UYVY;
 110                     break;
 111
 112                 case VLC_FOURCC('I','U','Y','V'):
 113                     p_vout->chroma.pf_convert = I422_IUYV;
 114                     break;
 115
 116                 case VLC_FOURCC('c','y','u','v'):
 117                     p_vout->chroma.pf_convert = I422_cyuv;
 118                     break;
 119
 120 #if defined (MODULE_NAME_IS_i422_yuy2)
 121                 case VLC_FOURCC('Y','2','1','1'):
 122                     p_vout->chroma.pf_convert = I422_Y211;
 123                     break;
 124
 125                 case VLC_FOURCC('Y','V','1','2'):
 126                     p_vout->chroma.pf_convert = I422_YV12;
 127                     break;
 128 #endif
 129
 130                 default:
 131                     return -1;
 132             }
 133             break;
 134
 135         default:
 136             return -1;
 137     }
 138
 139     return 0;
 140 }
 141
 142 /* Following functions are local */
 143
 144 /*****************************************************************************
 145  * I422_YUY2: planar YUV 4:2:2 to packed YUY2 4:2:2
 146  *****************************************************************************/
 147 static void I422_YUY2( vout_thread_t *p_vout, picture_t *p_source,
 148                                               picture_t *p_dest )
 149 {
 150     uint8_t *p_line = p_dest->p->p_pixels;
 151     uint8_t *p_y = p_source->Y_PIXELS;
 152     uint8_t *p_u = p_source->U_PIXELS;
 153     uint8_t *p_v = p_source->V_PIXELS;
 154
 155     int i_x, i_y;
 156
 157     const int i_source_margin = p_source->p[0].i_pitch
 158                                  - p_source->p[0].i_visible_pitch;
 159     const int i_source_margin_c = p_source->p[1].i_pitch
 160                                  - p_source->p[1].i_visible_pitch;
 161     const int i_dest_margin = p_dest->p->i_pitch
 162                                - p_dest->p->i_visible_pitch;
 163
 164 #if defined (MODULE_NAME_IS_i422_yuy2_sse2)
 165
 166     if( 0 == (15 & (p_source->p[Y_PLANE].i_pitch|p_dest->p->i_pitch|
 167         ((int)p_line|(int)p_y))) )
 168     {
 169         /* use faster SSE2 aligned fetch and store */
 170         for( i_y = p_vout->render.i_height ; i_y-- ; )
 171         {
 172             for( i_x = p_vout->render.i_width / 16 ; i_x-- ; )
 173             {
 174                 SSE2_CALL( SSE2_YUV422_YUYV_ALIGNED );
 175             }
 176             for( i_x = ( p_vout->render.i_width % 16 ) / 2; i_x-- ; )
 177             {
 178                 C_YUV422_YUYV( p_line, p_y, p_u, p_v );
 179             }
 180             p_y += i_source_margin;
 181             p_u += i_source_margin_c;
 182             p_v += i_source_margin_c;
 183             p_line += i_dest_margin;
 184         }
 185     }
 186     else {
 187         /* use slower SSE2 unaligned fetch and store */
 188         for( i_y = p_vout->render.i_height ; i_y-- ; )
 189         {
 190             for( i_x = p_vout->render.i_width / 16 ; i_x-- ; )
 191             {
 192                 SSE2_CALL( SSE2_YUV422_YUYV_UNALIGNED );
 193             }
 194             for( i_x = ( p_vout->render.i_width % 16 ) / 2; i_x-- ; )
 195             {
 196                 C_YUV422_YUYV( p_line, p_y, p_u, p_v );
 197             }
 198             p_y += i_source_margin;
 199             p_u += i_source_margin_c;
 200             p_v += i_source_margin_c;
 201             p_line += i_dest_margin;
 202         }
 203     }
 204     SSE2_END;
 205
 206 #else
 207
 208     for( i_y = p_vout->render.i_height ; i_y-- ; )
 209     {
 210         for( i_x = p_vout->render.i_width / 8 ; i_x-- ; )
 211         {
 212 #if defined (MODULE_NAME_IS_i422_yuy2)
 213             C_YUV422_YUYV( p_line, p_y, p_u, p_v );
 214             C_YUV422_YUYV( p_line, p_y, p_u, p_v );
 215             C_YUV422_YUYV( p_line, p_y, p_u, p_v );
 216             C_YUV422_YUYV( p_line, p_y, p_u, p_v );
 217 #elif defined (MODULE_NAME_IS_i422_yuy2_mmx)
 218             MMX_CALL( MMX_YUV422_YUYV );
 219 #endif
 220         }
 221         for( i_x = ( p_vout->render.i_width % 8 ) / 2; i_x-- ; )
 222         {
 223             C_YUV422_YUYV( p_line, p_y, p_u, p_v );
 224         }
 225         p_y += i_source_margin;
 226         p_u += i_source_margin_c;
 227         p_v += i_source_margin_c;
 228         p_line += i_dest_margin;
 229     }
 230 #if defined (MODULE_NAME_IS_i422_yuy2_mmx)
 231     MMX_END;
 232 #endif
 233
 234 #endif
 235 }
 236
 237 /*****************************************************************************
 238  * I422_YVYU: planar YUV 4:2:2 to packed YVYU 4:2:2
 239  *****************************************************************************/
 240 static void I422_YVYU( vout_thread_t *p_vout, picture_t *p_source,
 241                                               picture_t *p_dest )
 242 {
 243     uint8_t *p_line = p_dest->p->p_pixels;
 244     uint8_t *p_y = p_source->Y_PIXELS;
 245     uint8_t *p_u = p_source->U_PIXELS;
 246     uint8_t *p_v = p_source->V_PIXELS;
 247
 248     int i_x, i_y;
 249
 250     const int i_source_margin = p_source->p[0].i_pitch
 251                                  - p_source->p[0].i_visible_pitch;
 252     const int i_source_margin_c = p_source->p[1].i_pitch
 253                                  - p_source->p[1].i_visible_pitch;
 254     const int i_dest_margin = p_dest->p->i_pitch
 255                                - p_dest->p->i_visible_pitch;
 256
 257 #if defined (MODULE_NAME_IS_i422_yuy2_sse2)
 258
 259     if( 0 == (15 & (p_source->p[Y_PLANE].i_pitch|p_dest->p->i_pitch|
 260         ((int)p_line|(int)p_y))) )
 261     {
 262         /* use faster SSE2 aligned fetch and store */
 263         for( i_y = p_vout->render.i_height ; i_y-- ; )
 264         {
 265             for( i_x = p_vout->render.i_width / 16 ; i_x-- ; )
 266             {
 267                 SSE2_CALL( SSE2_YUV422_YVYU_ALIGNED );
 268             }
 269             for( i_x = ( p_vout->render.i_width % 16 ) / 2; i_x-- ; )
 270             {
 271                 C_YUV422_YVYU( p_line, p_y, p_u, p_v );
 272             }
 273             p_y += i_source_margin;
 274             p_u += i_source_margin_c;
 275             p_v += i_source_margin_c;
 276             p_line += i_dest_margin;
 277         }
 278     }
 279     else {
 280         /* use slower SSE2 unaligned fetch and store */
 281         for( i_y = p_vout->render.i_height ; i_y-- ; )
 282         {
 283             for( i_x = p_vout->render.i_width / 16 ; i_x-- ; )
 284             {
 285                 SSE2_CALL( SSE2_YUV422_YVYU_UNALIGNED );
 286             }
 287             for( i_x = ( p_vout->render.i_width % 16 ) / 2; i_x-- ; )
 288             {
 289                 C_YUV422_YVYU( p_line, p_y, p_u, p_v );
 290             }
 291             p_y += i_source_margin;
 292             p_u += i_source_margin_c;
 293             p_v += i_source_margin_c;
 294             p_line += i_dest_margin;
 295         }
 296     }
 297     SSE2_END;
 298
 299 #else
 300
 301     for( i_y = p_vout->render.i_height ; i_y-- ; )
 302     {
 303         for( i_x = p_vout->render.i_width / 8 ; i_x-- ; )
 304         {
 305 #if defined (MODULE_NAME_IS_i422_yuy2)
 306             C_YUV422_YVYU( p_line, p_y, p_u, p_v );
 307             C_YUV422_YVYU( p_line, p_y, p_u, p_v );
 308             C_YUV422_YVYU( p_line, p_y, p_u, p_v );
 309             C_YUV422_YVYU( p_line, p_y, p_u, p_v );
 310 #elif defined (MODULE_NAME_IS_i422_yuy2_mmx)
 311             MMX_CALL( MMX_YUV422_YVYU );
 312 #endif
 313         }
 314         for( i_x = ( p_vout->render.i_width % 8 ) / 2; i_x-- ; )
 315         {
 316             C_YUV422_YVYU( p_line, p_y, p_u, p_v );
 317         }
 318         p_y += i_source_margin;
 319         p_u += i_source_margin_c;
 320         p_v += i_source_margin_c;
 321         p_line += i_dest_margin;
 322     }
 323 #if defined (MODULE_NAME_IS_i422_yuy2_mmx)
 324     MMX_END;
 325 #endif
 326
 327 #endif
 328 }
 329
 330 /*****************************************************************************
 331  * I422_UYVY: planar YUV 4:2:2 to packed UYVY 4:2:2
 332  *****************************************************************************/
 333 static void I422_UYVY( vout_thread_t *p_vout, picture_t *p_source,
 334                                               picture_t *p_dest )
 335 {
 336     uint8_t *p_line = p_dest->p->p_pixels;
 337     uint8_t *p_y = p_source->Y_PIXELS;
 338     uint8_t *p_u = p_source->U_PIXELS;
 339     uint8_t *p_v = p_source->V_PIXELS;
 340
 341     int i_x, i_y;
 342
 343     const int i_source_margin = p_source->p[0].i_pitch
 344                                  - p_source->p[0].i_visible_pitch;
 345     const int i_source_margin_c = p_source->p[1].i_pitch
 346                                  - p_source->p[1].i_visible_pitch;
 347     const int i_dest_margin = p_dest->p->i_pitch
 348                                - p_dest->p->i_visible_pitch;
 349
 350 #if defined (MODULE_NAME_IS_i422_yuy2_sse2)
 351
 352     if( 0 == (15 & (p_source->p[Y_PLANE].i_pitch|p_dest->p->i_pitch|
 353         ((int)p_line|(int)p_y))) )
 354     {
 355         /* use faster SSE2 aligned fetch and store */
 356         for( i_y = p_vout->render.i_height ; i_y-- ; )
 357         {
 358             for( i_x = p_vout->render.i_width / 16 ; i_x-- ; )
 359             {
 360                 SSE2_CALL( SSE2_YUV422_UYVY_ALIGNED );
 361             }
 362             for( i_x = ( p_vout->render.i_width % 16 ) / 2; i_x-- ; )
 363             {
 364                 C_YUV422_UYVY( p_line, p_y, p_u, p_v );
 365             }
 366             p_y += i_source_margin;
 367             p_u += i_source_margin_c;
 368             p_v += i_source_margin_c;
 369             p_line += i_dest_margin;
 370         }
 371     }
 372     else {
 373         /* use slower SSE2 unaligned fetch and store */
 374         for( i_y = p_vout->render.i_height ; i_y-- ; )
 375         {
 376             for( i_x = p_vout->render.i_width / 16 ; i_x-- ; )
 377             {
 378                 SSE2_CALL( SSE2_YUV422_UYVY_UNALIGNED );
 379             }
 380             for( i_x = ( p_vout->render.i_width % 16 ) / 2; i_x-- ; )
 381             {
 382                 C_YUV422_UYVY( p_line, p_y, p_u, p_v );
 383             }
 384             p_y += i_source_margin;
 385             p_u += i_source_margin_c;
 386             p_v += i_source_margin_c;
 387             p_line += i_dest_margin;
 388         }
 389     }
 390     SSE2_END;
 391
 392 #else
 393
 394     for( i_y = p_vout->render.i_height ; i_y-- ; )
 395     {
 396         for( i_x = p_vout->render.i_width / 8 ; i_x-- ; )
 397         {
 398 #if defined (MODULE_NAME_IS_i422_yuy2)
 399             C_YUV422_UYVY( p_line, p_y, p_u, p_v );
 400             C_YUV422_UYVY( p_line, p_y, p_u, p_v );
 401             C_YUV422_UYVY( p_line, p_y, p_u, p_v );
 402             C_YUV422_UYVY( p_line, p_y, p_u, p_v );
 403 #elif defined (MODULE_NAME_IS_i422_yuy2_mmx)
 404             MMX_CALL( MMX_YUV422_UYVY );
 405 #endif
 406         }
 407         for( i_x = ( p_vout->render.i_width % 8 ) / 2; i_x-- ; )
 408         {
 409             C_YUV422_UYVY( p_line, p_y, p_u, p_v );
 410         }
 411         p_y += i_source_margin;
 412         p_u += i_source_margin_c;
 413         p_v += i_source_margin_c;
 414         p_line += i_dest_margin;
 415     }
 416 #if defined (MODULE_NAME_IS_i422_yuy2_mmx)
 417     MMX_END;
 418 #endif
 419
 420 #endif
 421 }
 422
 423 /*****************************************************************************
 424  * I422_IUYV: planar YUV 4:2:2 to interleaved packed IUYV 4:2:2
 425  *****************************************************************************/
 426 static void I422_IUYV( vout_thread_t *p_vout, picture_t *p_source,
 427                                               picture_t *p_dest )
 428 {
 429     /* FIXME: TODO ! */
 430     msg_Err( p_vout, "I422_IUYV unimplemented, please harass <sam@zoy.org>" );
 431 }
 432
 433 /*****************************************************************************
 434  * I422_cyuv: planar YUV 4:2:2 to upside-down packed UYVY 4:2:2
 435  *****************************************************************************/
 436 static void I422_cyuv( vout_thread_t *p_vout, picture_t *p_source,
 437                                               picture_t *p_dest )
 438 {
 439     uint8_t *p_line = p_dest->p->p_pixels + p_dest->p->i_visible_lines * p_dest->p->i_pitch;
 440     uint8_t *p_y = p_source->Y_PIXELS;
 441     uint8_t *p_u = p_source->U_PIXELS;
 442     uint8_t *p_v = p_source->V_PIXELS;
 443
 444     int i_x, i_y;
 445
 446     for( i_y = p_vout->render.i_height ; i_y-- ; )
 447     {
 448         for( i_x = p_vout->render.i_width / 8 ; i_x-- ; )
 449         {
 450             p_line -= 2 * p_dest->p->i_pitch;
 451
 452 #if defined (MODULE_NAME_IS_i422_yuy2)
 453             C_YUV422_UYVY( p_line, p_y, p_u, p_v );
 454             C_YUV422_UYVY( p_line, p_y, p_u, p_v );
 455             C_YUV422_UYVY( p_line, p_y, p_u, p_v );
 456             C_YUV422_UYVY( p_line, p_y, p_u, p_v );
 457 #elif defined (MODULE_NAME_IS_i422_yuy2_mmx)
 458             MMX_CALL( MMX_YUV422_UYVY );
 459 #endif
 460         }
 461     }
 462 #if defined (MODULE_NAME_IS_i422_yuy2_mmx)
 463     MMX_END;
 464 #elif defined (MODULE_NAME_IS_i422_yuy2_sse2)
 465     SSE2_END;
 466 #endif
 467 }
 468
 469 /*****************************************************************************
 470  * I422_Y211: planar YUV 4:2:2 to packed YUYV 2:1:1
 471  *****************************************************************************/
 472 #if defined (MODULE_NAME_IS_i422_yuy2)
 473 static void I422_Y211( vout_thread_t *p_vout, picture_t *p_source,
 474                                               picture_t *p_dest )
 475 {
 476     uint8_t *p_line = p_dest->p->p_pixels + p_dest->p->i_visible_lines * p_dest->p->i_pitch;
 477     uint8_t *p_y = p_source->Y_PIXELS;
 478     uint8_t *p_u = p_source->U_PIXELS;
 479     uint8_t *p_v = p_source->V_PIXELS;
 480
 481     int i_x, i_y;
 482
 483     for( i_y = p_vout->render.i_height ; i_y-- ; )
 484     {
 485         for( i_x = p_vout->render.i_width / 8 ; i_x-- ; )
 486         {
 487             C_YUV422_Y211( p_line, p_y, p_u, p_v );
 488             C_YUV422_Y211( p_line, p_y, p_u, p_v );
 489         }
 490     }
 491 }
 492 #endif
 493
 494
 495 /*****************************************************************************
 496  * I422_YV12: planar YUV 4:2:2 to planar YV12
 497  *****************************************************************************/
 498 #if defined (MODULE_NAME_IS_i422_yuy2)
 499 static void I422_YV12( vout_thread_t *p_vout, picture_t *p_source,
 500                                               picture_t *p_dest )
 501 {
 502     uint16_t i_dpy = p_dest->p[Y_PLANE].i_pitch;
 503     uint16_t i_spy = p_source->p[Y_PLANE].i_pitch;
 504     uint16_t i_dpuv = p_dest->p[U_PLANE].i_pitch;
 505     uint16_t i_spuv = p_source->p[U_PLANE].i_pitch;
 506     uint16_t i_width = p_vout->render.i_width;
 507     uint16_t i_y = p_vout->render.i_height;
 508     uint8_t *p_dy = p_dest->Y_PIXELS + (i_y-1)*i_dpy;
 509     uint8_t *p_y = p_source->Y_PIXELS + (i_y-1)*i_spy;
 510     uint8_t *p_du = p_dest->U_PIXELS + (i_y/2-1)*i_dpuv;
 511     uint8_t *p_u = p_source->U_PIXELS + (i_y-1)*i_spuv;
 512     uint8_t *p_dv = p_dest->V_PIXELS + (i_y/2-1)*i_dpuv;
 513     uint8_t *p_v = p_source->V_PIXELS + (i_y-1)*i_spuv;
 514     i_y /= 2;
 515
 516     for ( ; i_y--; )
 517     {
 518         memcpy(p_dy, p_y, i_width); p_dy -= i_dpy; p_y -= i_spy;
 519         memcpy(p_dy, p_y, i_width); p_dy -= i_dpy; p_y -= i_spy;
 520         memcpy(p_du, p_u, i_width/2); p_du -= i_dpuv; p_u -= 2*i_spuv;
 521         memcpy(p_dv, p_v, i_width/2); p_dv -= i_dpuv; p_v -= 2*i_spuv;
 522     }
 523
 524 }
 525 #endif