libvo/vo_x11.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 <stdio.h>
  20 #include <stdlib.h>
  21 #include <string.h>
  22
  23 #include "config.h"
  24 #include "video_out.h"
  25 #include "video_out_internal.h"
  26 #include "aspect.h"
  27
  28
  29 #include <X11/Xlib.h>
  30 #include <X11/Xutil.h>
  31
  32 #include <errno.h>
  33
  34 #include "x11_common.h"
  35
  36 #ifdef HAVE_SHM
  37 #include <sys/ipc.h>
  38 #include <sys/shm.h>
  39 #include <X11/extensions/XShm.h>
  40
  41 static int Shmem_Flag;
  42
  43 //static int Quiet_Flag;  Here also what is this for. It's used but isn't initialized?
  44 static XShmSegmentInfo Shminfo[1];
  45 static int gXErrorFlag;
  46 static int CompletionType = -1;
  47 #endif
  48
  49 #include "sub/sub.h"
  50
  51 #include "libswscale/swscale.h"
  52 #include "libmpcodecs/vf_scale.h"
  53 #define MODE_RGB  0x1
  54 #define MODE_BGR  0x2
  55
  56 #include "mp_msg.h"
  57
  58 static const vo_info_t info = {
  59     "X11 ( XImage/Shm )",
  60     "x11",
  61     "Aaron Holtzman <aholtzma@ess.engr.uvic.ca>",
  62     ""
  63 };
  64
  65 const LIBVO_EXTERN(x11)
  66 /* private prototypes */
  67 static void (*draw_alpha_fnc) (int x0, int y0, int w, int h,
  68                                unsigned char *src, unsigned char *srca,
  69                                int stride);
  70
  71 /* local data */
  72 static unsigned char *ImageData;
  73 //! original unaligned pointer for free
  74 static unsigned char *ImageDataOrig;
  75
  76 /* X11 related variables */
  77 static XImage *myximage = NULL;
  78 static int depth, bpp;
  79 static XWindowAttributes attribs;
  80
  81 static int int_pause;
  82
  83 static int Flip_Flag;
  84 static int zoomFlag;
  85
  86
  87 static uint32_t image_width;
  88 static uint32_t image_height;
  89 static uint32_t in_format;
  90 static uint32_t out_format = 0;
  91 static int out_offset;
  92 static int srcW = -1;
  93 static int srcH = -1;
  94
  95 static int old_vo_dwidth = -1;
  96 static int old_vo_dheight = -1;
  97
  98 static void check_events(void)
  99 {
 100     int ret = vo_x11_check_events(mDisplay);
 101
 102     if (ret & VO_EVENT_RESIZE)
 103         vo_x11_clearwindow(mDisplay, vo_window);
 104     else if (ret & VO_EVENT_EXPOSE)
 105         vo_x11_clearwindow_part(mDisplay, vo_window, myximage->width,
 106                                 myximage->height);
 107     if (ret & VO_EVENT_EXPOSE && int_pause)
 108         flip_page();
 109 }
 110
 111 static void draw_alpha_32(int x0, int y0, int w, int h, unsigned char *src,
 112                           unsigned char *srca, int stride)
 113 {
 114     vo_draw_alpha_rgb32(w, h, src, srca, stride,
 115                         ImageData + 4 * (y0 * image_width + x0),
 116                         4 * image_width);
 117 }
 118
 119 static void draw_alpha_24(int x0, int y0, int w, int h, unsigned char *src,
 120                           unsigned char *srca, int stride)
 121 {
 122     vo_draw_alpha_rgb24(w, h, src, srca, stride,
 123                         ImageData + 3 * (y0 * image_width + x0),
 124                         3 * image_width);
 125 }
 126
 127 static void draw_alpha_16(int x0, int y0, int w, int h, unsigned char *src,
 128                           unsigned char *srca, int stride)
 129 {
 130     vo_draw_alpha_rgb16(w, h, src, srca, stride,
 131                         ImageData + 2 * (y0 * image_width + x0),
 132                         2 * image_width);
 133 }
 134
 135 static void draw_alpha_15(int x0, int y0, int w, int h, unsigned char *src,
 136                           unsigned char *srca, int stride)
 137 {
 138     vo_draw_alpha_rgb15(w, h, src, srca, stride,
 139                         ImageData + 2 * (y0 * image_width + x0),
 140                         2 * image_width);
 141 }
 142
 143 static void draw_alpha_null(int x0, int y0, int w, int h,
 144                             unsigned char *src, unsigned char *srca,
 145                             int stride)
 146 {
 147 }
 148
 149 static struct SwsContext *swsContext = NULL;
 150 static int dst_width;
 151 extern int sws_flags;
 152
 153 static XVisualInfo vinfo;
 154
 155 static void getMyXImage(void)
 156 {
 157 #ifdef HAVE_SHM
 158     if (mLocalDisplay && XShmQueryExtension(mDisplay))
 159         Shmem_Flag = 1;
 160     else
 161     {
 162         Shmem_Flag = 0;
 163         mp_msg(MSGT_VO, MSGL_WARN,
 164                "Shared memory not supported\nReverting to normal Xlib\n");
 165     }
 166     if (Shmem_Flag)
 167         CompletionType = XShmGetEventBase(mDisplay) + ShmCompletion;
 168
 169     if (Shmem_Flag)
 170     {
 171         myximage =
 172             XShmCreateImage(mDisplay, vinfo.visual, depth, ZPixmap, NULL,
 173                             &Shminfo[0], image_width, image_height);
 174         if (myximage == NULL)
 175         {
 176             mp_msg(MSGT_VO, MSGL_WARN,
 177                    "Shared memory error,disabling ( Ximage error )\n");
 178             goto shmemerror;
 179         }
 180         Shminfo[0].shmid = shmget(IPC_PRIVATE,
 181                                   myximage->bytes_per_line *
 182                                   myximage->height, IPC_CREAT | 0777);
 183         if (Shminfo[0].shmid < 0)
 184         {
 185             XDestroyImage(myximage);
 186             mp_msg(MSGT_VO, MSGL_V, "%s\n", strerror(errno));
 187             //perror( strerror( errno ) );
 188             mp_msg(MSGT_VO, MSGL_WARN,
 189                    "Shared memory error,disabling ( seg id error )\n");
 190             goto shmemerror;
 191         }
 192         Shminfo[0].shmaddr = (char *) shmat(Shminfo[0].shmid, 0, 0);
 193
 194         if (Shminfo[0].shmaddr == ((char *) -1))
 195         {
 196             XDestroyImage(myximage);
 197             if (Shminfo[0].shmaddr != ((char *) -1))
 198                 shmdt(Shminfo[0].shmaddr);
 199             mp_msg(MSGT_VO, MSGL_WARN,
 200                    "Shared memory error,disabling ( address error )\n");
 201             goto shmemerror;
 202         }
 203         myximage->data = Shminfo[0].shmaddr;
 204         ImageData = (unsigned char *) myximage->data;
 205         Shminfo[0].readOnly = False;
 206         XShmAttach(mDisplay, &Shminfo[0]);
 207
 208         XSync(mDisplay, False);
 209
 210         if (gXErrorFlag)
 211         {
 212             XDestroyImage(myximage);
 213             shmdt(Shminfo[0].shmaddr);
 214             mp_msg(MSGT_VO, MSGL_WARN, "Shared memory error,disabling.\n");
 215             gXErrorFlag = 0;
 216             goto shmemerror;
 217         } else
 218             shmctl(Shminfo[0].shmid, IPC_RMID, 0);
 219
 220         {
 221             static int firstTime = 1;
 222
 223             if (firstTime)
 224             {
 225                 mp_msg(MSGT_VO, MSGL_V, "Sharing memory.\n");
 226                 firstTime = 0;
 227             }
 228         }
 229     } else
 230     {
 231       shmemerror:
 232         Shmem_Flag = 0;
 233 #endif
 234         myximage = XCreateImage(mDisplay, vinfo.visual, depth, ZPixmap,
 235                              0, NULL, image_width, image_height, 8, 0);
 236         ImageDataOrig = malloc(myximage->bytes_per_line * image_height + 32);
 237         myximage->data = ImageDataOrig + 16 - ((long)ImageDataOrig & 15);
 238         memset(myximage->data, 0, myximage->bytes_per_line * image_height);
 239         ImageData = myximage->data;
 240 #ifdef HAVE_SHM
 241     }
 242 #endif
 243 }
 244
 245 static void freeMyXImage(void)
 246 {
 247 #ifdef HAVE_SHM
 248     if (Shmem_Flag)
 249     {
 250         XShmDetach(mDisplay, &Shminfo[0]);
 251         XDestroyImage(myximage);
 252         shmdt(Shminfo[0].shmaddr);
 253     } else
 254 #endif
 255     {
 256         myximage->data = ImageDataOrig;
 257         XDestroyImage(myximage);
 258         ImageDataOrig = NULL;
 259     }
 260     myximage = NULL;
 261     ImageData = NULL;
 262 }
 263
 264 #if HAVE_BIGENDIAN
 265 #define BO_NATIVE    MSBFirst
 266 #define BO_NONNATIVE LSBFirst
 267 #else
 268 #define BO_NATIVE    LSBFirst
 269 #define BO_NONNATIVE MSBFirst
 270 #endif
 271 const struct fmt2Xfmtentry_s {
 272   uint32_t mpfmt;
 273   int byte_order;
 274   unsigned red_mask;
 275   unsigned green_mask;
 276   unsigned blue_mask;
 277 } fmt2Xfmt[] = {
 278   {IMGFMT_RGB8,  BO_NATIVE,    0x00000007, 0x00000038, 0x000000C0},
 279   {IMGFMT_RGB8,  BO_NONNATIVE, 0x00000007, 0x00000038, 0x000000C0},
 280   {IMGFMT_BGR8,  BO_NATIVE,    0x000000E0, 0x0000001C, 0x00000003},
 281   {IMGFMT_BGR8,  BO_NONNATIVE, 0x000000E0, 0x0000001C, 0x00000003},
 282   {IMGFMT_RGB15, BO_NATIVE,    0x0000001F, 0x000003E0, 0x00007C00},
 283   {IMGFMT_BGR15, BO_NATIVE,    0x00007C00, 0x000003E0, 0x0000001F},
 284   {IMGFMT_RGB16, BO_NATIVE,    0x0000001F, 0x000007E0, 0x0000F800},
 285   {IMGFMT_BGR16, BO_NATIVE,    0x0000F800, 0x000007E0, 0x0000001F},
 286   {IMGFMT_RGB24, MSBFirst,     0x00FF0000, 0x0000FF00, 0x000000FF},
 287   {IMGFMT_RGB24, LSBFirst,     0x000000FF, 0x0000FF00, 0x00FF0000},
 288   {IMGFMT_BGR24, MSBFirst,     0x000000FF, 0x0000FF00, 0x00FF0000},
 289   {IMGFMT_BGR24, LSBFirst,     0x00FF0000, 0x0000FF00, 0x000000FF},
 290   {IMGFMT_RGB32, BO_NATIVE,    0x000000FF, 0x0000FF00, 0x00FF0000},
 291   {IMGFMT_RGB32, BO_NONNATIVE, 0xFF000000, 0x00FF0000, 0x0000FF00},
 292   {IMGFMT_BGR32, BO_NATIVE,    0x00FF0000, 0x0000FF00, 0x000000FF},
 293   {IMGFMT_BGR32, BO_NONNATIVE, 0x0000FF00, 0x00FF0000, 0xFF000000},
 294   {IMGFMT_ARGB,  MSBFirst,     0x00FF0000, 0x0000FF00, 0x000000FF},
 295   {IMGFMT_ARGB,  LSBFirst,     0x0000FF00, 0x00FF0000, 0xFF000000},
 296   {IMGFMT_ABGR,  MSBFirst,     0x000000FF, 0x0000FF00, 0x00FF0000},
 297   {IMGFMT_ABGR,  LSBFirst,     0xFF000000, 0x00FF0000, 0x0000FF00},
 298   {IMGFMT_RGBA,  MSBFirst,     0xFF000000, 0x00FF0000, 0x0000FF00},
 299   {IMGFMT_RGBA,  LSBFirst,     0x000000FF, 0x0000FF00, 0x00FF0000},
 300   {IMGFMT_BGRA,  MSBFirst,     0x0000FF00, 0x00FF0000, 0xFF000000},
 301   {IMGFMT_BGRA,  LSBFirst,     0x00FF0000, 0x0000FF00, 0x000000FF},
 302   {0, 0, 0, 0, 0}
 303 };
 304
 305 static int config(uint32_t width, uint32_t height, uint32_t d_width,
 306                        uint32_t d_height, uint32_t flags, char *title,
 307                        uint32_t format)
 308 {
 309     Colormap theCmap;
 310     unsigned long xswamask;
 311     const struct fmt2Xfmtentry_s *fmte = fmt2Xfmt;
 312
 313 #ifdef CONFIG_XF86VM
 314     int vm = flags & VOFLAG_MODESWITCHING;
 315 #endif
 316     Flip_Flag = flags & VOFLAG_FLIPPING;
 317     zoomFlag = flags & VOFLAG_SWSCALE;
 318
 319     old_vo_dwidth = -1;
 320     old_vo_dheight = -1;
 321
 322     if (!title)
 323         title = "MPlayer X11 (XImage/Shm) render";
 324
 325     in_format = format;
 326     srcW = width;
 327     srcH = height;
 328
 329     XGetWindowAttributes(mDisplay, mRootWin, &attribs);
 330     depth = attribs.depth;
 331
 332     if (depth != 15 && depth != 16 && depth != 24 && depth != 32)
 333     {
 334         Visual *visual;
 335
 336         depth = vo_find_depth_from_visuals(mDisplay, mScreen, &visual);
 337     }
 338     if (!XMatchVisualInfo(mDisplay, mScreen, depth, DirectColor, &vinfo) ||
 339         (WinID > 0
 340          && vinfo.visualid != XVisualIDFromVisual(attribs.visual)))
 341         XMatchVisualInfo(mDisplay, mScreen, depth, TrueColor, &vinfo);
 342
 343     /* set image size (which is indeed neither the input nor output size),
 344        if zoom is on it will be changed during draw_slice anyway so we don't duplicate the aspect code here
 345      */
 346     image_width = (width + 7) & (~7);
 347     image_height = height;
 348
 349     {
 350 #ifdef CONFIG_XF86VM
 351         if (vm)
 352         {
 353             vo_vm_switch();
 354         }
 355 #endif
 356         theCmap = vo_x11_create_colormap(&vinfo);
 357
 358         xswamask = CWBackPixel | CWBorderPixel | CWColormap;
 359
 360 #ifdef CONFIG_XF86VM
 361         if (vm)
 362             xswamask |= CWOverrideRedirect;
 363 #endif
 364
 365             vo_x11_create_vo_window(&vinfo, vo_dx, vo_dy, vo_dwidth, vo_dheight,
 366                     flags, theCmap, "x11", title);
 367         if (WinID > 0)
 368             depth = vo_x11_update_geometry();
 369
 370 #ifdef CONFIG_XF86VM
 371         if (vm)
 372         {
 373             /* Grab the mouse pointer in our window */
 374             if (vo_grabpointer)
 375                 XGrabPointer(mDisplay, vo_window, True, 0,
 376                              GrabModeAsync, GrabModeAsync,
 377                              vo_window, None, CurrentTime);
 378             XSetInputFocus(mDisplay, vo_window, RevertToNone, CurrentTime);
 379         }
 380 #endif
 381     }
 382
 383     if (myximage)
 384     {
 385         freeMyXImage();
 386         sws_freeContext(swsContext);
 387     }
 388     getMyXImage();
 389
 390     while (fmte->mpfmt) {
 391       int depth = IMGFMT_RGB_DEPTH(fmte->mpfmt);
 392       /* bits_per_pixel in X seems to be set to 16 for 15 bit formats
 393          => force depth to 16 so that only the color masks are used for the format check */
 394       if (depth == 15)
 395           depth = 16;
 396
 397       if (depth            == myximage->bits_per_pixel &&
 398           fmte->byte_order == myximage->byte_order &&
 399           fmte->red_mask   == myximage->red_mask   &&
 400           fmte->green_mask == myximage->green_mask &&
 401           fmte->blue_mask  == myximage->blue_mask)
 402         break;
 403       fmte++;
 404     }
 405     if (!fmte->mpfmt) {
 406       mp_msg(MSGT_VO, MSGL_ERR,
 407              "X server image format not supported, please contact the developers\n");
 408       return -1;
 409     }
 410     out_format = fmte->mpfmt;
 411     switch ((bpp = myximage->bits_per_pixel))
 412     {
 413         case 24:
 414             draw_alpha_fnc = draw_alpha_24;
 415             break;
 416         case 32:
 417             draw_alpha_fnc = draw_alpha_32;
 418             break;
 419         case 15:
 420         case 16:
 421             if (depth == 15)
 422                 draw_alpha_fnc = draw_alpha_15;
 423             else
 424                 draw_alpha_fnc = draw_alpha_16;
 425             break;
 426         default:
 427             draw_alpha_fnc = draw_alpha_null;
 428     }
 429     out_offset = 0;
 430     // for these formats conversion is currently not support and
 431     // we can easily "emulate" them.
 432     if (out_format & 64 && (IMGFMT_IS_RGB(out_format) || IMGFMT_IS_BGR(out_format))) {
 433       out_format &= ~64;
 434 #if HAVE_BIGENDIAN
 435       out_offset = 1;
 436 #else
 437       out_offset = -1;
 438 #endif
 439     }
 440
 441     /* always allocate swsContext as size could change between frames */
 442     swsContext =
 443         sws_getContextFromCmdLine(width, height, in_format, width, height,
 444                                   out_format);
 445     if (!swsContext)
 446         return -1;
 447
 448     dst_width = width;
 449     //printf( "X11 bpp: %d  color mask:  R:%lX  G:%lX  B:%lX\n",bpp,myximage->red_mask,myximage->green_mask,myximage->blue_mask );
 450
 451     return 0;
 452 }
 453
 454 static void Display_Image(XImage * myximage, uint8_t * ImageData)
 455 {
 456     int x = (vo_dwidth - dst_width) / 2;
 457     int y = (vo_dheight - myximage->height) / 2;
 458
 459     // do not draw if the image needs rescaling
 460     if ((old_vo_dwidth != vo_dwidth || old_vo_dheight != vo_dheight) && zoomFlag)
 461       return;
 462
 463     if (WinID == 0) {
 464       x = vo_dx;
 465       y = vo_dy;
 466     }
 467     myximage->data += out_offset;
 468 #ifdef HAVE_SHM
 469     if (Shmem_Flag)
 470     {
 471         XShmPutImage(mDisplay, vo_window, vo_gc, myximage,
 472                      0, 0,
 473                      x, y, dst_width,
 474                      myximage->height, True);
 475     } else
 476 #endif
 477     {
 478         XPutImage(mDisplay, vo_window, vo_gc, myximage,
 479                   0, 0,
 480                   x, y, dst_width,
 481                   myximage->height);
 482     }
 483     myximage->data -= out_offset;
 484 }
 485
 486 static void draw_osd(void)
 487 {
 488     vo_draw_text(image_width, image_height, draw_alpha_fnc);
 489 }
 490
 491 static void flip_page(void)
 492 {
 493     Display_Image(myximage, ImageData);
 494     XSync(mDisplay, False);
 495 }
 496
 497 static int draw_slice(uint8_t * src[], int stride[], int w, int h,
 498                            int x, int y)
 499 {
 500     uint8_t *dst[MP_MAX_PLANES] = {NULL};
 501     int dstStride[MP_MAX_PLANES] = {0};
 502
 503     if ((old_vo_dwidth != vo_dwidth
 504          || old_vo_dheight != vo_dheight) /*&& y==0 */  && zoomFlag)
 505     {
 506         int newW = vo_dwidth;
 507         int newH = vo_dheight;
 508         struct SwsContext *oldContext = swsContext;
 509
 510         old_vo_dwidth = vo_dwidth;
 511         old_vo_dheight = vo_dheight;
 512
 513         if (vo_fs)
 514             aspect(&newW, &newH, A_ZOOM);
 515         if (sws_flags == 0)
 516             newW &= (~31);      // not needed but, if the user wants the FAST_BILINEAR SCALER, then its needed
 517
 518         swsContext = sws_getContextFromCmdLine(srcW, srcH, in_format,
 519                                                newW, newH, out_format);
 520         if (swsContext)
 521         {
 522             image_width = (newW + 7) & (~7);
 523             image_height = newH;
 524
 525             freeMyXImage();
 526             getMyXImage();
 527             sws_freeContext(oldContext);
 528         } else
 529         {
 530             swsContext = oldContext;
 531         }
 532         dst_width = newW;
 533     }
 534
 535     dstStride[0] = image_width * ((bpp + 7) / 8);
 536     dst[0] = ImageData;
 537     if (Flip_Flag)
 538     {
 539         dst[0] += dstStride[0] * (image_height - 1);
 540         dstStride[0] = -dstStride[0];
 541     }
 542     sws_scale(swsContext, (const uint8_t **)src, stride, y, h, dst, dstStride);
 543     return 0;
 544 }
 545
 546 static int draw_frame(uint8_t * src[])
 547 {
 548     return VO_ERROR;
 549 }
 550
 551 static uint32_t get_image(mp_image_t * mpi)
 552 {
 553     if (zoomFlag ||
 554         !IMGFMT_IS_BGR(mpi->imgfmt) ||
 555         (IMGFMT_BGR_DEPTH(mpi->imgfmt) != vo_depthonscreen) ||
 556         ((mpi->type != MP_IMGTYPE_STATIC)
 557          && (mpi->type != MP_IMGTYPE_TEMP))
 558         || (mpi->flags & MP_IMGFLAG_PLANAR)
 559         || (mpi->flags & MP_IMGFLAG_YUV) || (mpi->width != image_width)
 560         || (mpi->height != image_height))
 561         return VO_FALSE;
 562
 563     if (Flip_Flag)
 564     {
 565         mpi->stride[0] = -image_width * ((bpp + 7) / 8);
 566         mpi->planes[0] = ImageData - mpi->stride[0] * (image_height - 1);
 567     } else
 568     {
 569         mpi->stride[0] = image_width * ((bpp + 7) / 8);
 570         mpi->planes[0] = ImageData;
 571     }
 572     mpi->flags |= MP_IMGFLAG_DIRECT;
 573
 574     return VO_TRUE;
 575 }
 576
 577 static int query_format(uint32_t format)
 578 {
 579     mp_msg(MSGT_VO, MSGL_DBG2,
 580            "vo_x11: query_format was called: %x (%s)\n", format,
 581            vo_format_name(format));
 582     if (IMGFMT_IS_BGR(format))
 583     {
 584         if (IMGFMT_BGR_DEPTH(format) <= 8)
 585             return 0;           // TODO 8bpp not yet fully implemented
 586         if (IMGFMT_BGR_DEPTH(format) == vo_depthonscreen)
 587             return VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW | VFCAP_OSD | VFCAP_SWSCALE | VFCAP_FLIP |
 588                 VFCAP_ACCEPT_STRIDE;
 589         else
 590             return VFCAP_CSP_SUPPORTED | VFCAP_OSD | VFCAP_SWSCALE | VFCAP_FLIP |
 591                 VFCAP_ACCEPT_STRIDE;
 592     }
 593
 594     switch (format)
 595     {
 596 //   case IMGFMT_BGR8:
 597 //   case IMGFMT_BGR15:
 598 //   case IMGFMT_BGR16:
 599 //   case IMGFMT_BGR24:
 600 //   case IMGFMT_BGR32:
 601 //    return 0x2;
 602 //   case IMGFMT_YUY2:
 603         case IMGFMT_I420:
 604         case IMGFMT_IYUV:
 605         case IMGFMT_YV12:
 606             return VFCAP_CSP_SUPPORTED | VFCAP_OSD | VFCAP_SWSCALE | VFCAP_ACCEPT_STRIDE;
 607     }
 608     return 0;
 609 }
 610
 611
 612 static void uninit(void)
 613 {
 614     if (myximage)
 615         freeMyXImage();
 616
 617 #ifdef CONFIG_XF86VM
 618     vo_vm_close();
 619 #endif
 620
 621     zoomFlag = 0;
 622     vo_x11_uninit();
 623
 624     sws_freeContext(swsContext);
 625 }
 626
 627 static int preinit(const char *arg)
 628 {
 629     if (arg)
 630     {
 631         mp_msg(MSGT_VO, MSGL_ERR, "vo_x11: Unknown subdevice: %s\n", arg);
 632         return ENOSYS;
 633     }
 634
 635     if (!vo_init())
 636         return -1;              // Can't open X11
 637     return 0;
 638 }
 639
 640 static int control(uint32_t request, void *data)
 641 {
 642     switch (request)
 643     {
 644         case VOCTRL_PAUSE:
 645             return int_pause = 1;
 646         case VOCTRL_RESUME:
 647             return int_pause = 0;
 648         case VOCTRL_QUERY_FORMAT:
 649             return query_format(*((uint32_t *) data));
 650         case VOCTRL_GET_IMAGE:
 651             return get_image(data);
 652         case VOCTRL_FULLSCREEN:
 653             vo_x11_fullscreen();
 654             vo_x11_clearwindow(mDisplay, vo_window);
 655             return VO_TRUE;
 656         case VOCTRL_SET_EQUALIZER:
 657             {
 658                 struct voctrl_set_equalizer_args *args = data;
 659                 return vo_x11_set_equalizer(args->name, args->value);
 660             }
 661         case VOCTRL_GET_EQUALIZER:
 662             {
 663                 struct voctrl_get_equalizer_args *args = data;
 664                 return vo_x11_get_equalizer(args->name, args->valueptr);
 665             }
 666         case VOCTRL_ONTOP:
 667             vo_x11_ontop();
 668             return VO_TRUE;
 669         case VOCTRL_UPDATE_SCREENINFO:
 670             update_xinerama_info();
 671             return VO_TRUE;
 672     }
 673     return VO_NOTIMPL;
 674 }