libvo/mga_common.c

   1 /*
   2  * This file is part of MPlayer.
   3  *
   4  * MPlayer is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * MPlayer is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  */
  18
  19 #include "fastmemcpy.h"
  20 #include "cpudetect.h"
  21 #include "libswscale/swscale.h"
  22 #include "libswscale/rgb2rgb.h"
  23 #include "libmpcodecs/vf_scale.h"
  24 #include "mp_msg.h"
  25 #include "help_mp.h"
  26
  27 // mga_vid drawing functions
  28 static void set_window( void );         /* forward declaration to kill warnings */
  29 #ifdef VO_XMGA
  30 static void mDrawColorKey( void );      /* forward declaration to kill warnings */
  31 #endif
  32
  33 static int mga_next_frame=0;
  34
  35 static mga_vid_config_t mga_vid_config;
  36 static uint8_t *vid_data, *frames[4];
  37 static int f = -1;
  38
  39 static uint32_t               drwX,drwY,drwWidth,drwHeight;
  40 #ifdef VO_XMGA
  41 static uint32_t               drwBorderWidth,drwDepth;
  42 #endif
  43 static uint32_t               drwcX,drwcY,dwidth,dheight;
  44
  45 static void draw_alpha(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride){
  46     uint32_t bespitch = (mga_vid_config.src_width + 31) & ~31;
  47     x0+=mga_vid_config.src_width*(vo_panscan_x>>1)/(vo_dwidth+vo_panscan_x);
  48     switch(mga_vid_config.format){
  49     case MGA_VID_FORMAT_YV12:
  50     case MGA_VID_FORMAT_IYUV:
  51     case MGA_VID_FORMAT_I420:
  52         vo_draw_alpha_yv12(w,h,src,srca,stride,vid_data+bespitch*y0+x0,bespitch);
  53         break;
  54     case MGA_VID_FORMAT_YUY2:
  55         vo_draw_alpha_yuy2(w,h,src,srca,stride,vid_data+2*(bespitch*y0+x0),2*bespitch);
  56         break;
  57     case MGA_VID_FORMAT_UYVY:
  58         vo_draw_alpha_yuy2(w,h,src,srca,stride,vid_data+2*(bespitch*y0+x0)+1,2*bespitch);
  59         break;
  60     }
  61 }
  62
  63 static void draw_osd(void)
  64 {
  65 //    vo_draw_text(mga_vid_config.src_width,mga_vid_config.src_height,draw_alpha);
  66     vo_draw_text(mga_vid_config.src_width-mga_vid_config.src_width*vo_panscan_x/(vo_dwidth+vo_panscan_x),mga_vid_config.src_height,draw_alpha);
  67 }
  68
  69
  70 //static void
  71 //write_slice_g200(uint8_t *y,uint8_t *cr, uint8_t *cb,uint32_t slice_num)
  72
  73 static void
  74 draw_slice_g200(uint8_t *image[], int stride[], int width,int height,int x,int y)
  75 {
  76         uint8_t *dest;
  77         uint32_t bespitch = (mga_vid_config.src_width + 31) & ~31;
  78
  79         dest = vid_data + bespitch*y + x;
  80         mem2agpcpy_pic(dest, image[0], width, height, bespitch, stride[0]);
  81
  82         width/=2;height/=2;x/=2;y/=2;
  83
  84         dest = vid_data + bespitch*mga_vid_config.src_height + bespitch*y + 2*x;
  85
  86         interleaveBytes(image[1],image[2],dest,
  87                 width, height,
  88                 stride[1], stride[2], bespitch);
  89 }
  90
  91 static void
  92 draw_slice_g400(uint8_t *image[], int stride[], int w,int h,int x,int y)
  93 {
  94     uint8_t *dest;
  95     uint8_t *dest2;
  96     uint32_t bespitch,bespitch2;
  97
  98     bespitch = (mga_vid_config.src_width + 31) & ~31;
  99     bespitch2 = bespitch/2;
 100
 101     dest = vid_data + bespitch * y + x;
 102     mem2agpcpy_pic(dest, image[0], w, h, bespitch, stride[0]);
 103
 104     w/=2;h/=2;x/=2;y/=2;
 105
 106     dest = vid_data + bespitch*mga_vid_config.src_height + bespitch2 * y + x;
 107     dest2= dest + bespitch2*mga_vid_config.src_height / 2;
 108
 109   if(mga_vid_config.format==MGA_VID_FORMAT_YV12){
 110     // mga_vid's YV12 assumes Y,U,V order (insteda of Y,V,U) :(
 111     mem2agpcpy_pic(dest, image[1], w, h, bespitch2, stride[1]);
 112     mem2agpcpy_pic(dest2,image[2], w, h, bespitch2, stride[2]);
 113   } else {
 114     mem2agpcpy_pic(dest, image[2], w, h, bespitch2, stride[2]);
 115     mem2agpcpy_pic(dest2,image[1], w, h, bespitch2, stride[1]);
 116   }
 117
 118 }
 119
 120 static int
 121 draw_slice(uint8_t *src[], int stride[], int w,int h,int x,int y)
 122 {
 123
 124 #if 0
 125         printf("vo: %p/%d %p/%d %p/%d  %dx%d/%d;%d  \n",
 126             src[0],stride[0],
 127             src[1],stride[1],
 128             src[2],stride[2],
 129             w,h,x,y);
 130 #endif
 131
 132         if (mga_vid_config.card_type == MGA_G200)
 133             draw_slice_g200(src,stride,w,h,x,y);
 134         else
 135             draw_slice_g400(src,stride,w,h,x,y);
 136         return 0;
 137 }
 138
 139 static void
 140 vo_mga_flip_page(void)
 141 {
 142
 143 //    printf("-- flip to %d --\n",mga_next_frame);
 144
 145 #if 1
 146         ioctl(f,MGA_VID_FSEL,&mga_next_frame);
 147         mga_next_frame=(mga_next_frame+1)%mga_vid_config.num_frames;
 148         vid_data=frames[mga_next_frame];
 149 #endif
 150
 151 }
 152
 153 static int
 154 draw_frame(uint8_t *src[])
 155 {
 156     mp_msg(MSGT_VO,MSGL_WARN,"!!! mga::draw_frame() called !!!\n");
 157     return 0;
 158 }
 159
 160 static uint32_t get_image(mp_image_t *mpi){
 161     uint32_t bespitch = (mga_vid_config.src_width + 31) & ~31;
 162     uint32_t bespitch2 = bespitch/2;
 163 //    printf("mga: get_image() called\n");
 164     if(mpi->type==MP_IMGTYPE_STATIC && mga_vid_config.num_frames>1) return VO_FALSE; // it is not static
 165     if(mpi->flags&MP_IMGFLAG_READABLE) return VO_FALSE; // slow video ram
 166     if(mga_vid_config.card_type == MGA_G200 && mpi->flags&MP_IMGFLAG_PLANAR) return VO_FALSE;
 167 //    printf("width=%d vs. bespitch=%d, flags=0x%X  \n",mpi->width,bespitch,mpi->flags);
 168     if((mpi->width==bespitch) ||
 169        (mpi->flags&(MP_IMGFLAG_ACCEPT_STRIDE|MP_IMGFLAG_ACCEPT_WIDTH))){
 170        // we're lucky or codec accepts stride => ok, let's go!
 171        if(mpi->flags&MP_IMGFLAG_PLANAR){
 172            mpi->planes[0]=vid_data;
 173            if(mpi->flags&MP_IMGFLAG_SWAPPED){
 174                mpi->planes[1]=vid_data + bespitch*mga_vid_config.src_height;
 175                mpi->planes[2]=mpi->planes[1] + bespitch2*mga_vid_config.src_height/2;
 176            } else {
 177                mpi->planes[2]=vid_data + bespitch*mga_vid_config.src_height;
 178                mpi->planes[1]=mpi->planes[2] + bespitch2*mga_vid_config.src_height/2;
 179            }
 180            mpi->width=mpi->stride[0]=bespitch;
 181            mpi->stride[1]=mpi->stride[2]=bespitch2;
 182        } else {
 183            mpi->planes[0]=vid_data;
 184            mpi->width=bespitch;
 185            mpi->stride[0]=mpi->width*(mpi->bpp/8);
 186        }
 187        mpi->flags|=MP_IMGFLAG_DIRECT;
 188 //      printf("mga: get_image() SUCCESS -> Direct Rendering ENABLED\n");
 189        return VO_TRUE;
 190     }
 191     return VO_FALSE;
 192 }
 193
 194 static uint32_t
 195 draw_image(mp_image_t *mpi){
 196     uint32_t bespitch = (mga_vid_config.src_width + 31) & ~31;
 197
 198     // if -dr or -slices then do nothing:
 199     if(mpi->flags&(MP_IMGFLAG_DIRECT|MP_IMGFLAG_DRAW_CALLBACK)) return VO_TRUE;
 200
 201     if(mpi->flags&MP_IMGFLAG_PLANAR){
 202         // copy planar:
 203         draw_slice(mpi->planes,mpi->stride,mpi->w,mpi->h,mpi->x,mpi->y);
 204     } else {
 205         // copy packed:
 206         mem2agpcpy_pic(vid_data, mpi->planes[0],        // dst,src
 207                     mpi->w*(mpi->bpp/8), mpi->h,        // w,h
 208                     bespitch*2, mpi->stride[0]);        // dstride,sstride
 209     }
 210     return VO_TRUE;
 211 }
 212
 213 static int
 214 query_format(uint32_t format)
 215 {
 216     switch(format){
 217     case IMGFMT_YV12:
 218     case IMGFMT_I420:
 219     case IMGFMT_IYUV:
 220     case IMGFMT_YUY2:
 221     case IMGFMT_UYVY:
 222         return VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW | VFCAP_OSD|VFCAP_HWSCALE_UP|VFCAP_HWSCALE_DOWN|VFCAP_ACCEPT_STRIDE;
 223     }
 224     return 0;
 225 }
 226
 227 #ifndef VO_XMGA
 228 static void mga_fullscreen(void)
 229 {
 230         uint32_t w,h;
 231         if ( !vo_fs ) {
 232                 vo_fs=VO_TRUE;
 233                 w=vo_screenwidth; h=vo_screenheight;
 234                 aspect(&w,&h,A_ZOOM);
 235         } else {
 236                 vo_fs=VO_FALSE;
 237                 w=vo_dwidth; h=vo_dheight;
 238                 aspect(&w,&h,A_NOZOOM);
 239         }
 240         mga_vid_config.dest_width = w;
 241         mga_vid_config.dest_height= h;
 242         mga_vid_config.x_org=(vo_screenwidth-w)/2;
 243         mga_vid_config.y_org=(vo_screenheight-h)/2;
 244         if ( ioctl( f,MGA_VID_CONFIG,&mga_vid_config ) )
 245                 mp_msg(MSGT_VO,MSGL_WARN, MSGTR_LIBVO_MGA_ErrorInConfigIoctl );
 246 }
 247 #endif
 248
 249 static int control(uint32_t request, void *data, ...)
 250 {
 251   switch (request) {
 252   case VOCTRL_QUERY_FORMAT:
 253     return query_format(*((uint32_t*)data));
 254   case VOCTRL_GET_IMAGE:
 255     return get_image(data);
 256   case VOCTRL_DRAW_IMAGE:
 257     return draw_image(data);
 258   case VOCTRL_SET_EQUALIZER:
 259     {
 260      va_list ap;
 261      short value;
 262      uint32_t luma,prev;
 263
 264      if ( strcmp( data,"brightness" ) && strcmp( data,"contrast" ) ) return VO_FALSE;
 265
 266      if (ioctl(f,MGA_VID_GET_LUMA,&prev)) {
 267         perror("Error in mga_vid_config ioctl()");
 268     mp_msg(MSGT_VO,MSGL_WARN, MSGTR_LIBVO_MGA_CouldNotGetLumaValuesFromTheKernelModule);
 269         return VO_FALSE;
 270      }
 271
 272 //     printf("GET: 0x%4X 0x%4X  \n",(prev>>16),(prev&0xffff));
 273
 274      va_start(ap, data);
 275      value = va_arg(ap, int);
 276      va_end(ap);
 277
 278 //     printf("value: %d -> ",value);
 279      value=((value+100)*255)/200-128; // maps -100=>-128 and +100=>127
 280 //     printf("%d  \n",value);
 281
 282      if(!strcmp(data,"contrast"))
 283          luma = (prev&0xFFFF0000)|(value&0xFFFF);
 284      else
 285          luma = (prev&0xFFFF)|(value<<16);
 286
 287      if (ioctl(f,MGA_VID_SET_LUMA,luma)) {
 288         perror("Error in mga_vid_config ioctl()");
 289         mp_msg(MSGT_VO,MSGL_WARN, MSGTR_LIBVO_MGA_CouldNotSetLumaValuesFromTheKernelModule);
 290         return VO_FALSE;
 291      }
 292
 293      return VO_TRUE;
 294     }
 295
 296   case VOCTRL_GET_EQUALIZER:
 297     {
 298      va_list ap;
 299      int * value;
 300      short val;
 301      uint32_t luma;
 302
 303      if ( strcmp( data,"brightness" ) && strcmp( data,"contrast" ) ) return VO_FALSE;
 304
 305      if (ioctl(f,MGA_VID_GET_LUMA,&luma)) {
 306         perror("Error in mga_vid_config ioctl()");
 307         mp_msg(MSGT_VO,MSGL_WARN, MSGTR_LIBVO_MGA_CouldNotGetLumaValuesFromTheKernelModule);
 308         return VO_FALSE;
 309      }
 310
 311      if ( !strcmp( data,"contrast" ) )
 312          val=(luma & 0xFFFF);
 313      else
 314          val=(luma >> 16);
 315
 316      va_start(ap, data);
 317      value = va_arg(ap, int*);
 318      va_end(ap);
 319
 320      *value = (val*200)/255;
 321
 322      return VO_TRUE;
 323     }
 324
 325 #ifndef VO_XMGA
 326   case VOCTRL_FULLSCREEN:
 327     if (vo_screenwidth && vo_screenheight)
 328         mga_fullscreen();
 329     else
 330         mp_msg(MSGT_VO,MSGL_WARN, MSGTR_LIBVO_MGA_ScreenWidthHeightUnknown);
 331     return VO_TRUE;
 332   case VOCTRL_GET_PANSCAN:
 333       if ( !vo_fs ) return VO_FALSE;
 334       return VO_TRUE;
 335 #endif
 336
 337 #if defined(VO_XMGA) && defined(CONFIG_GUI)
 338   case VOCTRL_GUISUPPORT:
 339     return VO_TRUE;
 340 #endif
 341
 342 #ifdef VO_XMGA
 343   case VOCTRL_ONTOP:
 344       vo_x11_ontop();
 345       return VO_TRUE;
 346   case VOCTRL_GET_PANSCAN:
 347       if ( !initialized || !vo_fs ) return VO_FALSE;
 348       return VO_TRUE;
 349   case VOCTRL_FULLSCREEN:
 350       vo_x11_fullscreen();
 351       vo_panscan_amount=0;
 352     /* indended, fallthrough to update panscan on fullscreen/windowed switch */
 353 #endif
 354   case VOCTRL_SET_PANSCAN:
 355       if ( vo_fs && ( vo_panscan != vo_panscan_amount ) ) // || ( !vo_fs && vo_panscan_amount ) )
 356        {
 357 //        int old_y = vo_panscan_y;
 358         panscan_calc();
 359 //        if ( old_y != vo_panscan_y )
 360         set_window();
 361        }
 362       return VO_TRUE;
 363   }
 364   return VO_NOTIMPL;
 365 }
 366
 367
 368 static int mga_init(int width,int height,unsigned int format){
 369
 370         switch(format){
 371         case IMGFMT_YV12:
 372             width+=width&1;height+=height&1;
 373             mga_vid_config.frame_size = ((width + 31) & ~31) * height + (((width + 31) & ~31) * height) / 2;
 374             mga_vid_config.format=MGA_VID_FORMAT_I420; break;
 375         case IMGFMT_I420:
 376         case IMGFMT_IYUV:
 377             width+=width&1;height+=height&1;
 378             mga_vid_config.frame_size = ((width + 31) & ~31) * height + (((width + 31) & ~31) * height) / 2;
 379             mga_vid_config.format=MGA_VID_FORMAT_YV12; break;
 380         case IMGFMT_YUY2:
 381             mga_vid_config.frame_size = ((width + 31) & ~31) * height * 2;
 382             mga_vid_config.format=MGA_VID_FORMAT_YUY2; break;
 383         case IMGFMT_UYVY:
 384             mga_vid_config.frame_size = ((width + 31) & ~31) * height * 2;
 385             mga_vid_config.format=MGA_VID_FORMAT_UYVY; break;
 386         default:
 387             mp_msg(MSGT_VO,MSGL_WARN, MSGTR_LIBVO_MGA_InvalidOutputFormat,format);
 388             return -1;
 389         }
 390
 391         mga_vid_config.src_width = width;
 392         mga_vid_config.src_height= height;
 393         if(!mga_vid_config.dest_width)
 394             mga_vid_config.dest_width = width;
 395         if(!mga_vid_config.dest_height)
 396             mga_vid_config.dest_height= height;
 397
 398         mga_vid_config.colkey_on=0;
 399
 400         mga_vid_config.num_frames=(vo_directrendering && !vo_doublebuffering)?1:3;
 401         mga_vid_config.version=MGA_VID_VERSION;
 402
 403         if(width > 1024 && height > 1024)
 404         {
 405                 mp_msg(MSGT_VO,MSGL_ERR, MSGTR_LIBVO_MGA_ResolutionTooHigh);
 406                 return -1;
 407         } else if(height <= 1024)
 408         {
 409                 // try whether we have a G550
 410                 int ret;
 411                 if ((ret = ioctl(f,MGA_VID_CONFIG,&mga_vid_config)))
 412                 {
 413                         if(mga_vid_config.card_type != MGA_G550)
 414                         {
 415                                 // we don't have a G550, so our resolution is too high
 416                                 mp_msg(MSGT_VO,MSGL_ERR, MSGTR_LIBVO_MGA_ResolutionTooHigh);
 417                                 return -1;
 418                         } else {
 419                                 // there is a deeper problem
 420                                 // we have a G550, but still couldn't configure mga_vid
 421                                 perror("Error in mga_vid_config ioctl()");
 422                                 mp_msg(MSGT_VO,MSGL_WARN, MSGTR_LIBVO_MGA_IncompatibleDriverVersion);
 423                                 return -1;
 424                         }
 425                         // if we arrived here, then we could successfully configure mga_vid
 426                         // at this high resolution
 427                 }
 428         } else {
 429                 // configure mga_vid in case resolution is < 1024x1024 too
 430                 if (ioctl(f,MGA_VID_CONFIG,&mga_vid_config))
 431                 {
 432                         perror("Error in mga_vid_config ioctl()");
 433                         mp_msg(MSGT_VO,MSGL_WARN, MSGTR_LIBVO_MGA_IncompatibleDriverVersion);
 434                         return -1;
 435                 }
 436         }
 437
 438         mp_msg(MSGT_VO,MSGL_V,"[MGA] Using %d buffers.\n",mga_vid_config.num_frames);
 439
 440         frames[0] = (char*)mmap(0,mga_vid_config.frame_size*mga_vid_config.num_frames,PROT_WRITE,MAP_SHARED,f,0);
 441         frames[1] = frames[0] + 1*mga_vid_config.frame_size;
 442         frames[2] = frames[0] + 2*mga_vid_config.frame_size;
 443         frames[3] = frames[0] + 3*mga_vid_config.frame_size;
 444         mga_next_frame = 0;
 445         vid_data = frames[mga_next_frame];
 446
 447         //clear the buffer
 448         memset(frames[0],0x80,mga_vid_config.frame_size*mga_vid_config.num_frames);
 449
 450 #ifndef VO_XMGA
 451         ioctl(f,MGA_VID_ON,0);
 452 #endif
 453
 454   return 0;
 455 }
 456
 457 static int mga_uninit(void){
 458   if(f>=0){
 459         ioctl( f,MGA_VID_OFF,0 );
 460         munmap(frames[0],mga_vid_config.frame_size*mga_vid_config.num_frames);
 461         close(f);
 462         f = -1;
 463   }
 464   return 0;
 465 }
 466
 467 static int preinit(const char *vo_subdevice)
 468 {
 469         uint32_t ver;
 470   const char *devname=vo_subdevice?vo_subdevice:"/dev/mga_vid";
 471         sws_rgb2rgb_init(get_sws_cpuflags());
 472
 473         f = open(devname,O_RDWR);
 474         if(f == -1)
 475         {
 476                 perror("open");
 477                 mp_msg(MSGT_VO,MSGL_WARN, MSGTR_LIBVO_MGA_CouldntOpen,devname);
 478                 return -1;
 479         }
 480
 481         // check whether the mga_vid driver has the same
 482         // version as we expect
 483
 484         ioctl(f,MGA_VID_GET_VERSION,&ver);
 485         if(MGA_VID_VERSION != ver)
 486         {
 487                 mp_msg(MSGT_VO, MSGL_ERR, MSGTR_LIBVO_MGA_mgavidVersionMismatch, ver, MGA_VID_VERSION);
 488                 return -1;
 489         }
 490
 491 #ifdef VO_XMGA
 492   if (!vo_init()) {
 493     close(f);
 494     return -1;
 495   }
 496 #endif
 497
 498   return 0;
 499 }
 500
 501 static void set_window( void ){
 502
 503 #ifdef VO_XMGA
 504          if ( WinID )
 505           {
 506            XGetGeometry( mDisplay,vo_window,&mRoot,&drwX,&drwY,&drwWidth,&drwHeight,&drwBorderWidth,&drwDepth );
 507            mp_msg(MSGT_VO,MSGL_V,"[xmga] x: %d y: %d w: %d h: %d\n",drwX,drwY,drwWidth,drwHeight );
 508            drwX=0; drwY=0;
 509            XTranslateCoordinates( mDisplay,vo_window,mRoot,0,0,&drwcX,&drwcY,&mRoot );
 510            mp_msg(MSGT_VO,MSGL_V,"[xmga] dcx: %d dcy: %d dx: %d dy: %d dw: %d dh: %d\n",drwcX,drwcY,drwX,drwY,drwWidth,drwHeight );
 511
 512           }
 513           else
 514 #endif
 515           { drwX=drwcX=vo_dx; drwY=drwcY=vo_dy; drwWidth=vo_dwidth; drwHeight=vo_dheight; }
 516
 517          aspect(&dwidth,&dheight,A_NOZOOM);
 518          if ( vo_fs )
 519           {
 520            aspect(&dwidth,&dheight,A_ZOOM);
 521            drwX=( vo_screenwidth - (dwidth > vo_screenwidth?vo_screenwidth:dwidth) ) / 2;
 522            drwcX+=drwX;
 523            drwY=( vo_screenheight - (dheight > vo_screenheight?vo_screenheight:dheight) ) / 2;
 524            drwcY+=drwY;
 525            drwWidth=(dwidth > vo_screenwidth?vo_screenwidth:dwidth);
 526            drwHeight=(dheight > vo_screenheight?vo_screenheight:dheight);
 527            mp_msg(MSGT_VO,MSGL_V,"[xmga-fs] dcx: %d dcy: %d dx: %d dy: %d dw: %d dh: %d\n",drwcX,drwcY,drwX,drwY,drwWidth,drwHeight );
 528           }
 529          vo_dwidth=drwWidth; vo_dheight=drwHeight;
 530
 531 #ifdef VO_XMGA
 532 #ifdef CONFIG_XINERAMA
 533                  if(XineramaIsActive(mDisplay))
 534                  {
 535                         XineramaScreenInfo *screens;
 536                         int num_screens;
 537                         int i;
 538
 539                         screens = XineramaQueryScreens(mDisplay,&num_screens);
 540
 541                         /* find the screen we are on */
 542                         i = 0;
 543                         while(i<num_screens &&
 544                             ((screens[i].x_org < drwcX) ||
 545                              (screens[i].y_org < drwcY) ||
 546                              (screens[i].x_org + screens[i].width >= drwcX) ||
 547                              (screens[i].y_org + screens[i].height >= drwcY)))
 548                         {
 549                                 i++;
 550                         }
 551
 552                         if(i<num_screens)
 553                         {
 554                                 /* save the screen we are on */
 555                                 xinerama_screen = i;
 556                         } else {
 557                                 /* oops.. couldnt find the screen we are on
 558                                  * because the upper left corner left the
 559                                  * visual range. assume we are still on the
 560                                  * same screen
 561                                  */
 562                                 i = xinerama_screen;
 563                         }
 564
 565                         if(xinerama_screen == -1)
 566                         {
 567                                 // The default value of the xinerama_screen is
 568                                 // still there. Which means we could never
 569                                 // figure out on which screen we are.
 570                                 // Choose the first screen as default
 571                                 xinerama_screen = i = 0;
 572                         }
 573
 574                         /* set drwcX and drwcY to the right values */
 575                         drwcX = drwcX - screens[i].x_org;
 576                         drwcY = drwcY - screens[i].y_org;
 577                         XFree(screens);
 578                  }
 579
 580 #endif
 581
 582          mDrawColorKey();
 583 #endif
 584
 585          mga_vid_config.x_org=drwcX;
 586          mga_vid_config.y_org=drwcY;
 587          mga_vid_config.dest_width=drwWidth;
 588          mga_vid_config.dest_height=drwHeight;
 589          if ( vo_panscan > 0.0f && vo_fs )
 590           {
 591            drwX-=vo_panscan_x>>1;
 592            drwY-=vo_panscan_y>>1;
 593            drwWidth+=vo_panscan_x;
 594            drwHeight+=vo_panscan_y;
 595
 596            mga_vid_config.x_org-=vo_panscan_x>>1;
 597            mga_vid_config.y_org-=vo_panscan_y>>1;
 598            mga_vid_config.dest_width=drwWidth;
 599            mga_vid_config.dest_height=drwHeight;
 600 #ifdef VO_XMGA
 601            mDrawColorKey();
 602 #endif
 603           }
 604          if ( ioctl( f,MGA_VID_CONFIG,&mga_vid_config ) ) mp_msg(MSGT_VO,MSGL_WARN,"Error in mga_vid_config ioctl (wrong mga_vid.o version?)" );
 605 }