libvo/vo_xv.c

   1 /* vo_xv.c, X11 Xv interface */
   2
   3 // Number of buffers _FOR_DOUBLEBUFFERING_MODE_
   4 // Use option -double to enable double buffering! (default: single buffer)
   5 #define NUM_BUFFERS 3
   6
   7 /*
   8 Buffer allocation:
   9
  10 -nodr:
  11   1: TEMP
  12   2: 2*TEMP
  13
  14 -dr:
  15   1: TEMP
  16   3: 2*STATIC+TEMP
  17 */
  18
  19 #include <stdio.h>
  20 #include <stdlib.h>
  21 #include <string.h>
  22 #include <stdint.h>
  23 #include <stdbool.h>
  24
  25 #include "config.h"
  26 #include "options.h"
  27 #include "talloc.h"
  28 #include "mp_msg.h"
  29 #include "help_mp.h"
  30 #include "video_out.h"
  31 #include "libmpcodecs/vfcap.h"
  32 #include "libmpcodecs/mp_image.h"
  33 #include "osd.h"
  34
  35 #include <X11/Xlib.h>
  36 #include <X11/Xutil.h>
  37 #include <errno.h>
  38
  39 #include "x11_common.h"
  40
  41 #include "fastmemcpy.h"
  42 #include "sub.h"
  43 #include "aspect.h"
  44
  45 #include "subopt-helper.h"
  46
  47 #include "input/input.h"
  48 #include "mp_fifo.h"
  49
  50 #ifdef CONFIG_GUI
  51 #include "gui/interface.h"
  52 #endif
  53
  54 #include "libavutil/common.h"
  55
  56 static const vo_info_t info = {
  57     "X11/Xv",
  58     "xv",
  59     "Gerd Knorr <kraxel@goldbach.in-berlin.de> and others",
  60     ""
  61 };
  62
  63 #ifdef HAVE_SHM
  64 #include <sys/ipc.h>
  65 #include <sys/shm.h>
  66 #include <X11/extensions/XShm.h>
  67 #endif
  68
  69 // Note: depends on the inclusion of X11/extensions/XShm.h
  70 #include <X11/extensions/Xv.h>
  71 #include <X11/extensions/Xvlib.h>
  72
  73 struct xvctx {
  74     XvAdaptorInfo *ai;
  75     XvImageFormatValues *fo;
  76     unsigned int formats, adaptors, xv_format;
  77     int current_buf;
  78     int current_ip_buf;
  79     int num_buffers;
  80     int total_buffers;
  81     int have_visible_image_copy;
  82     int have_next_image_copy;
  83     int unchanged_visible_image;
  84     int unchanged_next_image;
  85     int visible_buf;
  86     XvImage *xvimage[NUM_BUFFERS + 1];
  87     uint32_t image_width;
  88     uint32_t image_height;
  89     uint32_t image_format;
  90     int is_paused;
  91     uint32_t drwX, drwY;
  92     uint32_t max_width, max_height; // zero means: not set
  93     int event_fd_registered; // for uninit called from preinit
  94     int mode_switched;
  95     int osd_objects_drawn;
  96     void (*draw_alpha_fnc)(void *ctx, int x0, int y0, int w, int h,
  97                            unsigned char *src, unsigned char *srca,
  98                            int stride);
  99 #ifdef HAVE_SHM
 100     XShmSegmentInfo Shminfo[NUM_BUFFERS];
 101     int Shmem_Flag;
 102 #endif
 103 };
 104
 105 static void allocate_xvimage(struct vo *, int);
 106
 107
 108 static void draw_alpha_yv12(void *p, int x0, int y0, int w, int h,
 109                             unsigned char *src, unsigned char *srca,
 110                             int stride)
 111 {
 112     struct vo *vo = p;
 113     struct xvctx *ctx = vo->priv;
 114     x0 += ctx->image_width * (vo->panscan_x >> 1)
 115                            / (vo->dwidth + vo->panscan_x);
 116     vo_draw_alpha_yv12(w, h, src, srca, stride,
 117                        ctx->xvimage[ctx->current_buf]->data +
 118                        ctx->xvimage[ctx->current_buf]->offsets[0] +
 119                        ctx->xvimage[ctx->current_buf]->pitches[0] * y0 + x0,
 120                        ctx->xvimage[ctx->current_buf]->pitches[0]);
 121     ctx->osd_objects_drawn++;
 122 }
 123
 124 static void draw_alpha_yuy2(void *p, int x0, int y0, int w, int h,
 125                             unsigned char *src, unsigned char *srca,
 126                             int stride)
 127 {
 128     struct vo *vo = p;
 129     struct xvctx *ctx = vo->priv;
 130     x0 += ctx->image_width * (vo->panscan_x >> 1)
 131                            / (vo->dwidth + vo->panscan_x);
 132     vo_draw_alpha_yuy2(w, h, src, srca, stride,
 133                        ctx->xvimage[ctx->current_buf]->data +
 134                        ctx->xvimage[ctx->current_buf]->offsets[0] +
 135                        ctx->xvimage[ctx->current_buf]->pitches[0] * y0 + 2 * x0,
 136                        ctx->xvimage[ctx->current_buf]->pitches[0]);
 137     ctx->osd_objects_drawn++;
 138 }
 139
 140 static void draw_alpha_uyvy(void *p, int x0, int y0, int w, int h,
 141                             unsigned char *src, unsigned char *srca,
 142                             int stride)
 143 {
 144     struct vo *vo = p;
 145     struct xvctx *ctx = vo->priv;
 146     x0 += ctx->image_width * (vo->panscan_x >> 1)
 147                            / (vo->dwidth + vo->panscan_x);
 148     vo_draw_alpha_yuy2(w, h, src, srca, stride,
 149                        ctx->xvimage[ctx->current_buf]->data +
 150                        ctx->xvimage[ctx->current_buf]->offsets[0] +
 151                        ctx->xvimage[ctx->current_buf]->pitches[0] * y0 + 2 * x0 + 1,
 152                        ctx->xvimage[ctx->current_buf]->pitches[0]);
 153     ctx->osd_objects_drawn++;
 154 }
 155
 156 static void draw_alpha_null(void *p, int x0, int y0, int w, int h,
 157                             unsigned char *src, unsigned char *srca,
 158                             int stride)
 159 {
 160 }
 161
 162
 163 static void deallocate_xvimage(struct vo *vo, int foo);
 164
 165 /*
 166  * connect to server, create and map window,
 167  * allocate colors and (shared) memory
 168  */
 169 static int config(struct vo *vo, uint32_t width, uint32_t height,
 170                   uint32_t d_width, uint32_t d_height, uint32_t flags,
 171                   char *title, uint32_t format)
 172 {
 173     struct MPOpts *opts = vo->opts;
 174     struct vo_x11_state *x11 = vo->x11;
 175     XVisualInfo vinfo;
 176     XSetWindowAttributes xswa;
 177     XWindowAttributes attribs;
 178     unsigned long xswamask;
 179     int depth;
 180     struct xvctx *ctx = vo->priv;
 181     int i;
 182
 183     ctx->image_height = height;
 184     ctx->image_width = width;
 185     ctx->image_format = format;
 186
 187     if ((ctx->max_width != 0 && ctx->max_height != 0)
 188         && (ctx->image_width > ctx->max_width
 189             || ctx->image_height > ctx->max_height)) {
 190         mp_msg(MSGT_VO, MSGL_ERR, MSGTR_VO_XV_ImagedimTooHigh,
 191                ctx->image_width, ctx->image_height, ctx->max_width,
 192                ctx->max_height);
 193         return -1;
 194     }
 195
 196     ctx->is_paused = 0;
 197     ctx->visible_buf = -1;
 198     ctx->have_visible_image_copy = false;
 199     ctx->have_next_image_copy = false;
 200
 201     /* check image formats */
 202     ctx->xv_format = 0;
 203     for (i = 0; i < ctx->formats; i++) {
 204         mp_msg(MSGT_VO, MSGL_V, "Xvideo image format: 0x%x (%4.4s) %s\n",
 205                ctx->fo[i].id, (char *) &ctx->fo[i].id,
 206                (ctx->fo[i].format == XvPacked) ? "packed" : "planar");
 207         if (ctx->fo[i].id == format)
 208             ctx->xv_format = ctx->fo[i].id;
 209     }
 210     if (!ctx->xv_format)
 211         return -1;
 212
 213 #ifdef CONFIG_GUI
 214     if (use_gui)
 215         guiGetEvent(guiSetShVideo, 0);  // the GUI will set up / resize the window
 216     else
 217 #endif
 218     {
 219 #ifdef CONFIG_XF86VM
 220         int vm = flags & VOFLAG_MODESWITCHING;
 221         if (vm) {
 222             vo_vm_switch(vo);
 223             ctx->mode_switched = 1;
 224         }
 225 #endif
 226         XGetWindowAttributes(x11->display, DefaultRootWindow(x11->display),
 227                              &attribs);
 228         depth = attribs.depth;
 229         if (depth != 15 && depth != 16 && depth != 24 && depth != 32)
 230             depth = 24;
 231         XMatchVisualInfo(x11->display, x11->screen, depth, TrueColor, &vinfo);
 232
 233         xswa.background_pixel = 0;
 234         if (x11->xv_ck_info.method == CK_METHOD_BACKGROUND)
 235             xswa.background_pixel = x11->xv_colorkey;
 236         xswa.border_pixel = 0;
 237         xswamask = CWBackPixel | CWBorderPixel;
 238
 239         vo_x11_create_vo_window(vo, &vinfo, vo->dx, vo->dy, vo->dwidth,
 240                                 vo->dheight, flags, CopyFromParent, "xv",
 241                                 title);
 242         XChangeWindowAttributes(x11->display, x11->window, xswamask, &xswa);
 243
 244 #ifdef CONFIG_XF86VM
 245         if (vm) {
 246             /* Grab the mouse pointer in our window */
 247             if (vo_grabpointer)
 248                 XGrabPointer(x11->display, x11->window, True, 0, GrabModeAsync,
 249                              GrabModeAsync, x11->window, None, CurrentTime);
 250             XSetInputFocus(x11->display, x11->window, RevertToNone,
 251                            CurrentTime);
 252         }
 253 #endif
 254     }
 255
 256     mp_msg(MSGT_VO, MSGL_V, "using Xvideo port %d for hw scaling\n",
 257            x11->xv_port);
 258
 259     switch (ctx->xv_format) {
 260     case IMGFMT_YV12:
 261     case IMGFMT_I420:
 262     case IMGFMT_IYUV:
 263         ctx->draw_alpha_fnc = draw_alpha_yv12;
 264         break;
 265     case IMGFMT_YUY2:
 266     case IMGFMT_YVYU:
 267         ctx->draw_alpha_fnc = draw_alpha_yuy2;
 268         break;
 269     case IMGFMT_UYVY:
 270         ctx->draw_alpha_fnc = draw_alpha_uyvy;
 271         break;
 272     default:
 273         ctx->draw_alpha_fnc = draw_alpha_null;
 274     }
 275
 276     // In case config has been called before
 277     for (i = 0; i < ctx->total_buffers; i++)
 278         deallocate_xvimage(vo, i);
 279
 280     ctx->num_buffers =
 281         vo_doublebuffering ? (vo_directrendering ? NUM_BUFFERS : 2) : 1;
 282     ctx->total_buffers = ctx->num_buffers + 1;
 283
 284     for (i = 0; i < ctx->total_buffers; i++)
 285         allocate_xvimage(vo, i);
 286
 287     ctx->current_buf = 0;
 288     ctx->current_ip_buf = 0;
 289
 290     if ((flags & VOFLAG_FULLSCREEN) && WinID <= 0)
 291         vo_fs = 1;
 292     vo_calc_drwXY(vo, &ctx->drwX, &ctx->drwY);
 293
 294     panscan_calc(vo);
 295
 296     vo_xv_draw_colorkey(vo, ctx->drwX - (vo->panscan_x >> 1),
 297                         ctx->drwY - (vo->panscan_y >> 1),
 298                         vo->dwidth + vo->panscan_x - 1,
 299                         vo->dheight + vo->panscan_y - 1);
 300
 301     mp_msg(MSGT_VO, MSGL_V, "[xv] dx: %d dy: %d dw: %d dh: %d\n", ctx->drwX,
 302            ctx->drwY, vo->dwidth, vo->dheight);
 303
 304     return 0;
 305 }
 306
 307 static void allocate_xvimage(struct vo *vo, int foo)
 308 {
 309     struct xvctx *ctx = vo->priv;
 310     struct vo_x11_state *x11 = vo->x11;
 311     /*
 312      * allocate XvImages.  FIXME: no error checking, without
 313      * mit-shm this will bomb... trzing to fix ::atmos
 314      */
 315 #ifdef HAVE_SHM
 316     if (x11->display_is_local && XShmQueryExtension(x11->display))
 317         ctx->Shmem_Flag = 1;
 318     else {
 319         ctx->Shmem_Flag = 0;
 320         mp_msg(MSGT_VO, MSGL_INFO, MSGTR_LIBVO_XV_SharedMemoryNotSupported);
 321     }
 322     if (ctx->Shmem_Flag) {
 323         ctx->xvimage[foo] =
 324             (XvImage *) XvShmCreateImage(x11->display, x11->xv_port,
 325                                          ctx->xv_format, NULL,
 326                                          ctx->image_width, ctx->image_height,
 327                                          &ctx->Shminfo[foo]);
 328
 329         ctx->Shminfo[foo].shmid = shmget(IPC_PRIVATE,
 330                                          ctx->xvimage[foo]->data_size,
 331                                          IPC_CREAT | 0777);
 332         ctx->Shminfo[foo].shmaddr = (char *) shmat(ctx->Shminfo[foo].shmid, 0,
 333                                                    0);
 334         ctx->Shminfo[foo].readOnly = False;
 335
 336         ctx->xvimage[foo]->data = ctx->Shminfo[foo].shmaddr;
 337         XShmAttach(x11->display, &ctx->Shminfo[foo]);
 338         XSync(x11->display, False);
 339         shmctl(ctx->Shminfo[foo].shmid, IPC_RMID, 0);
 340     } else
 341 #endif
 342     {
 343         ctx->xvimage[foo] =
 344             (XvImage *) XvCreateImage(x11->display, x11->xv_port,
 345                                       ctx->xv_format, NULL, ctx->image_width,
 346                                       ctx->image_height);
 347         ctx->xvimage[foo]->data = malloc(ctx->xvimage[foo]->data_size);
 348         XSync(x11->display, False);
 349     }
 350     memset(ctx->xvimage[foo]->data, 128, ctx->xvimage[foo]->data_size);
 351     return;
 352 }
 353
 354 static void deallocate_xvimage(struct vo *vo, int foo)
 355 {
 356     struct xvctx *ctx = vo->priv;
 357 #ifdef HAVE_SHM
 358     if (ctx->Shmem_Flag) {
 359         XShmDetach(vo->x11->display, &ctx->Shminfo[foo]);
 360         shmdt(ctx->Shminfo[foo].shmaddr);
 361     } else
 362 #endif
 363     {
 364         free(ctx->xvimage[foo]->data);
 365     }
 366     XFree(ctx->xvimage[foo]);
 367
 368     XSync(vo->x11->display, False);
 369     return;
 370 }
 371
 372 static inline void put_xvimage(struct vo *vo, XvImage *xvi)
 373 {
 374     struct xvctx *ctx = vo->priv;
 375     struct vo_x11_state *x11 = vo->x11;
 376 #ifdef HAVE_SHM
 377     if (ctx->Shmem_Flag) {
 378         XvShmPutImage(x11->display, x11->xv_port, x11->window, x11->vo_gc, xvi,
 379                       0, 0, ctx->image_width, ctx->image_height,
 380                       ctx->drwX - (vo->panscan_x >> 1),
 381                       ctx->drwY - (vo->panscan_y >> 1),
 382                       vo->dwidth + vo->panscan_x, vo->dheight + vo->panscan_y,
 383                       False);
 384     } else
 385 #endif
 386     {
 387         XvPutImage(x11->display, x11->xv_port, x11->window, x11->vo_gc, xvi, 0,
 388                    0, ctx->image_width, ctx->image_height,
 389                    ctx->drwX - (vo->panscan_x >> 1),
 390                    ctx->drwY - (vo->panscan_y >> 1),
 391                    vo->dwidth + vo->panscan_x, vo->dheight + vo->panscan_y);
 392     }
 393 }
 394
 395 // Only copies luma for planar formats as draw_alpha doesn't change others */
 396 void copy_backup_image(struct vo *vo, int dest, int src)
 397 {
 398     struct xvctx *ctx = vo->priv;
 399
 400     XvImage *vb = ctx->xvimage[dest];
 401     XvImage *cp = ctx->xvimage[src];
 402     memcpy_pic(vb->data + vb->offsets[0], cp->data + cp->offsets[0],
 403                vb->width, vb->height,
 404                vb->pitches[0], cp->pitches[0]);
 405 }
 406
 407 static void check_events(struct vo *vo)
 408 {
 409     struct xvctx *ctx = vo->priv;
 410     struct vo_x11_state *x11 = vo->x11;
 411     int e = vo_x11_check_events(vo);
 412
 413     if (e & VO_EVENT_RESIZE)
 414         vo_calc_drwXY(vo, &ctx->drwX, &ctx->drwY);
 415
 416     if (e & VO_EVENT_EXPOSE || e & VO_EVENT_RESIZE) {
 417         vo_xv_draw_colorkey(vo, ctx->drwX - (vo->panscan_x >> 1),
 418                             ctx->drwY - (vo->panscan_y >> 1),
 419                             vo->dwidth + vo->panscan_x - 1,
 420                             vo->dheight + vo->panscan_y - 1);
 421     }
 422
 423     if ((e & VO_EVENT_EXPOSE || e & VO_EVENT_RESIZE) && ctx->is_paused) {
 424         /* did we already draw a buffer */
 425         if (ctx->visible_buf != -1) {
 426             /* redraw the last visible buffer */
 427             put_xvimage(vo, ctx->xvimage[ctx->visible_buf]);
 428         }
 429     }
 430 }
 431
 432 static void draw_osd(struct vo *vo, struct osd_state *osd)
 433 {
 434     struct xvctx *ctx = vo->priv;
 435
 436     ctx->osd_objects_drawn = 0;
 437     osd_draw_text(osd,
 438                   ctx->image_width -
 439                   ctx->image_width * vo->panscan_x / (vo->dwidth +
 440                                                       vo->panscan_x),
 441                   ctx->image_height, ctx->draw_alpha_fnc, vo);
 442     if (ctx->osd_objects_drawn)
 443         ctx->unchanged_next_image = false;
 444 }
 445
 446 static int redraw_osd(struct vo *vo, struct osd_state *osd)
 447 {
 448     struct xvctx *ctx = vo->priv;
 449
 450     if (ctx->have_visible_image_copy)
 451         copy_backup_image(vo, ctx->visible_buf, ctx->num_buffers);
 452     else if (ctx->unchanged_visible_image) {
 453         copy_backup_image(vo, ctx->num_buffers, ctx->visible_buf);
 454         ctx->have_visible_image_copy = true;
 455     }
 456     else
 457         return false;
 458     int temp = ctx->current_buf;
 459     ctx->current_buf = ctx->visible_buf;
 460     draw_osd(vo, osd);
 461     ctx->current_buf = temp;
 462     put_xvimage(vo, ctx->xvimage[ctx->visible_buf]);
 463     return true;
 464 }
 465
 466 static void flip_page(struct vo *vo)
 467 {
 468     struct xvctx *ctx = vo->priv;
 469     put_xvimage(vo, ctx->xvimage[ctx->current_buf]);
 470
 471     /* remember the currently visible buffer */
 472     ctx->visible_buf = ctx->current_buf;
 473
 474     ctx->have_visible_image_copy = ctx->have_next_image_copy;
 475     ctx->have_next_image_copy = false;
 476     ctx->unchanged_visible_image = ctx->unchanged_next_image;
 477     ctx->unchanged_next_image = false;
 478
 479     if (ctx->num_buffers > 1) {
 480         ctx->current_buf = vo_directrendering ? 0 : ((ctx->current_buf + 1) %
 481                                                      ctx->num_buffers);
 482         XFlush(vo->x11->display);
 483     } else
 484         XSync(vo->x11->display, False);
 485     return;
 486 }
 487
 488 static int draw_slice(struct vo *vo, uint8_t *image[], int stride[], int w,
 489                       int h, int x, int y)
 490 {
 491     struct xvctx *ctx = vo->priv;
 492     uint8_t *dst;
 493     XvImage *current_image = ctx->xvimage[ctx->current_buf];
 494
 495     dst = current_image->data + current_image->offsets[0]
 496         + current_image->pitches[0] * y + x;
 497     memcpy_pic(dst, image[0], w, h, current_image->pitches[0], stride[0]);
 498
 499     x /= 2;
 500     y /= 2;
 501     w /= 2;
 502     h /= 2;
 503
 504     dst = current_image->data + current_image->offsets[1]
 505         + current_image->pitches[1] * y + x;
 506     if (ctx->image_format != IMGFMT_YV12)
 507         memcpy_pic(dst, image[1], w, h, current_image->pitches[1], stride[1]);
 508     else
 509         memcpy_pic(dst, image[2], w, h, current_image->pitches[1], stride[2]);
 510
 511     dst = current_image->data + current_image->offsets[2]
 512         + current_image->pitches[2] * y + x;
 513     if (ctx->image_format == IMGFMT_YV12)
 514         memcpy_pic(dst, image[1], w, h, current_image->pitches[1], stride[1]);
 515     else
 516         memcpy_pic(dst, image[2], w, h, current_image->pitches[1], stride[2]);
 517
 518     return 0;
 519 }
 520
 521 static int draw_frame(struct vo *vo, uint8_t *src[])
 522 {
 523     return VO_ERROR;
 524 }
 525
 526 static uint32_t draw_image(struct vo *vo, mp_image_t *mpi)
 527 {
 528     struct xvctx *ctx = vo->priv;
 529
 530     ctx->have_next_image_copy = false;
 531
 532     if (mpi->flags & MP_IMGFLAG_DIRECT)
 533         // direct rendering:
 534         ctx->current_buf = (int) (mpi->priv);        // hack!
 535     else if (mpi->flags & MP_IMGFLAG_DRAW_CALLBACK)
 536         ; // done
 537     else if (mpi->flags & MP_IMGFLAG_PLANAR)
 538         draw_slice(vo, mpi->planes, mpi->stride, mpi->w, mpi->h, 0, 0);
 539     else if (mpi->flags & MP_IMGFLAG_YUV)
 540         // packed YUV:
 541         memcpy_pic(ctx->xvimage[ctx->current_buf]->data +
 542                    ctx->xvimage[ctx->current_buf]->offsets[0], mpi->planes[0],
 543                    mpi->w * (mpi->bpp / 8), mpi->h,
 544                    ctx->xvimage[ctx->current_buf]->pitches[0], mpi->stride[0]);
 545     else
 546           return false;
 547
 548     if (ctx->is_paused) {
 549         copy_backup_image(vo, ctx->num_buffers, ctx->current_buf);
 550         ctx->have_next_image_copy = true;
 551     }
 552     ctx->unchanged_next_image = true;
 553     return true;
 554 }
 555
 556 static uint32_t get_image(struct xvctx *ctx, mp_image_t *mpi)
 557 {
 558     // we shouldn't change current_buf unless we do DR!
 559     int buf = ctx->current_buf;
 560
 561     if (mpi->type == MP_IMGTYPE_STATIC && ctx->num_buffers > 1)
 562         return VO_FALSE;        // it is not static
 563     if (mpi->imgfmt != ctx->image_format)
 564         return VO_FALSE;        // needs conversion :(
 565     if (mpi->flags & MP_IMGFLAG_READABLE
 566         && (mpi->type == MP_IMGTYPE_IPB || mpi->type == MP_IMGTYPE_IP)) {
 567         // reference (I/P) frame of IP or IPB:
 568         if (ctx->num_buffers < 2)
 569             return VO_FALSE;    // not enough
 570         ctx->current_ip_buf ^= 1;
 571         // for IPB with 2 buffers we can DR only one of the 2 P frames:
 572         if (mpi->type == MP_IMGTYPE_IPB && ctx->num_buffers < 3
 573             && ctx->current_ip_buf)
 574             return VO_FALSE;
 575         buf = ctx->current_ip_buf;
 576         if (mpi->type == MP_IMGTYPE_IPB)
 577             ++buf;              // preserve space for B
 578     }
 579     if (mpi->height > ctx->xvimage[buf]->height)
 580         return VO_FALSE;        //buffer to small
 581     if (mpi->width * (mpi->bpp / 8) > ctx->xvimage[buf]->pitches[0])
 582         return VO_FALSE;        //buffer to small
 583     if ((mpi->flags & (MP_IMGFLAG_ACCEPT_STRIDE | MP_IMGFLAG_ACCEPT_WIDTH))
 584         || (mpi->width * (mpi->bpp / 8) == ctx->xvimage[buf]->pitches[0])) {
 585         ctx->current_buf = buf;
 586         XvImage *current_image = ctx->xvimage[ctx->current_buf];
 587         mpi->planes[0] = current_image->data + current_image->offsets[0];
 588         mpi->stride[0] = current_image->pitches[0];
 589         mpi->width = mpi->stride[0] / (mpi->bpp / 8);
 590         if (mpi->flags & MP_IMGFLAG_PLANAR) {
 591             if (mpi->flags & MP_IMGFLAG_SWAPPED) {
 592                 // I420
 593                 mpi->planes[1] = current_image->data
 594                                + current_image->offsets[1];
 595                 mpi->planes[2] = current_image->data
 596                                + current_image->offsets[2];
 597                 mpi->stride[1] = current_image->pitches[1];
 598                 mpi->stride[2] = current_image->pitches[2];
 599             } else {
 600                 // YV12
 601                 mpi->planes[1] = current_image->data
 602                                + current_image->offsets[2];
 603                 mpi->planes[2] = current_image->data
 604                                + current_image->offsets[1];
 605                 mpi->stride[1] = current_image->pitches[2];
 606                 mpi->stride[2] = current_image->pitches[1];
 607             }
 608         }
 609         mpi->flags |= MP_IMGFLAG_DIRECT;
 610         mpi->priv = (void *) ctx->current_buf;
 611         return VO_TRUE;
 612     }
 613     return VO_FALSE;
 614 }
 615
 616 static int query_format(struct xvctx *ctx, uint32_t format)
 617 {
 618     uint32_t i;
 619     int flag = VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW | VFCAP_HWSCALE_UP | VFCAP_HWSCALE_DOWN | VFCAP_OSD | VFCAP_ACCEPT_STRIDE;       // FIXME! check for DOWN
 620
 621     /* check image formats */
 622     for (i = 0; i < ctx->formats; i++) {
 623         if (ctx->fo[i].id == format)
 624             return flag;        //xv_format = fo[i].id;
 625     }
 626     return 0;
 627 }
 628
 629 static void uninit(struct vo *vo)
 630 {
 631     struct xvctx *ctx = vo->priv;
 632     int i;
 633
 634     ctx->visible_buf = -1;
 635     if (ctx->ai)
 636         XvFreeAdaptorInfo(ctx->ai);
 637     ctx->ai = NULL;
 638     if (ctx->fo) {
 639         XFree(ctx->fo);
 640         ctx->fo = NULL;
 641     }
 642     for (i = 0; i < ctx->total_buffers; i++)
 643         deallocate_xvimage(vo, i);
 644 #ifdef CONFIG_XF86VM
 645     if (ctx->mode_switched)
 646         vo_vm_close(vo);
 647 #endif
 648     if (ctx->event_fd_registered)
 649         mp_input_rm_key_fd(vo->input_ctx, ConnectionNumber(vo->x11->display));
 650     // uninit() shouldn't get called unless initialization went past vo_init()
 651     vo_x11_uninit(vo);
 652 }
 653
 654 static int x11_fd_callback(void *ctx, int fd)
 655 {
 656     struct vo *vo = ctx;
 657     check_events(vo);
 658     return mplayer_get_key(vo->key_fifo, 0);
 659 }
 660
 661 static int preinit(struct vo *vo, const char *arg)
 662 {
 663     XvPortID xv_p;
 664     int busy_ports = 0;
 665     unsigned int i;
 666     strarg_t ck_src_arg = { 0, NULL };
 667     strarg_t ck_method_arg = { 0, NULL };
 668     struct xvctx *ctx = talloc_zero(vo, struct xvctx);
 669     vo->priv = ctx;
 670     struct vo_x11_state *x11 = vo->x11;
 671     int xv_adaptor = -1;
 672
 673     opt_t subopts[] = {
 674         /* name         arg type     arg var         test */
 675         {"port", OPT_ARG_INT, &x11->xv_port, (opt_test_f) int_pos},
 676         {"adaptor", OPT_ARG_INT, &xv_adaptor, (opt_test_f) int_non_neg},
 677         {"ck", OPT_ARG_STR, &ck_src_arg, xv_test_ck},
 678         {"ck-method", OPT_ARG_STR, &ck_method_arg, xv_test_ckm},
 679         {NULL}
 680     };
 681
 682     x11->xv_port = 0;
 683
 684     /* parse suboptions */
 685     if (subopt_parse(arg, subopts) != 0) {
 686         return -1;
 687     }
 688
 689     /* modify colorkey settings according to the given options */
 690     xv_setup_colorkeyhandling(vo, ck_method_arg.str, ck_src_arg.str);
 691
 692     if (!vo_init(vo))
 693         return -1;
 694
 695     /* check for Xvideo extension */
 696     unsigned int ver, rel, req, ev, err;
 697     if (Success != XvQueryExtension(x11->display, &ver, &rel, &req, &ev, &err)) {
 698         mp_msg(MSGT_VO, MSGL_ERR, MSGTR_LIBVO_XV_XvNotSupportedByX11);
 699         goto error;
 700     }
 701
 702     /* check for Xvideo support */
 703     if (Success !=
 704         XvQueryAdaptors(x11->display, DefaultRootWindow(x11->display),
 705                         &ctx->adaptors, &ctx->ai)) {
 706         mp_msg(MSGT_VO, MSGL_ERR, MSGTR_LIBVO_XV_XvQueryAdaptorsFailed);
 707         goto error;
 708     }
 709
 710     /* check adaptors */
 711     if (x11->xv_port) {
 712         int port_found;
 713
 714         for (port_found = 0, i = 0; !port_found && i < ctx->adaptors; i++) {
 715             if ((ctx->ai[i].type & XvInputMask)
 716                 && (ctx->ai[i].type & XvImageMask)) {
 717                 for (xv_p = ctx->ai[i].base_id;
 718                      xv_p < ctx->ai[i].base_id + ctx->ai[i].num_ports;
 719                      ++xv_p) {
 720                     if (xv_p == x11->xv_port) {
 721                         port_found = 1;
 722                         break;
 723                     }
 724                 }
 725             }
 726         }
 727         if (port_found) {
 728             if (XvGrabPort(x11->display, x11->xv_port, CurrentTime))
 729                 x11->xv_port = 0;
 730         } else {
 731             mp_msg(MSGT_VO, MSGL_WARN, MSGTR_LIBVO_XV_InvalidPortParameter);
 732             x11->xv_port = 0;
 733         }
 734     }
 735
 736     for (i = 0; i < ctx->adaptors && x11->xv_port == 0; i++) {
 737         /* check if adaptor number has been specified */
 738         if (xv_adaptor != -1 && xv_adaptor != i)
 739             continue;
 740
 741         if ((ctx->ai[i].type & XvInputMask) && (ctx->ai[i].type & XvImageMask)) {
 742             for (xv_p = ctx->ai[i].base_id;
 743                  xv_p < ctx->ai[i].base_id + ctx->ai[i].num_ports; ++xv_p)
 744                 if (!XvGrabPort(x11->display, xv_p, CurrentTime)) {
 745                     x11->xv_port = xv_p;
 746                     mp_msg(MSGT_VO, MSGL_V,
 747                            "[VO_XV] Using Xv Adapter #%d (%s)\n",
 748                            i, ctx->ai[i].name);
 749                     break;
 750                 } else {
 751                     mp_msg(MSGT_VO, MSGL_WARN, MSGTR_LIBVO_XV_CouldNotGrabPort,
 752                            (int) xv_p);
 753                     ++busy_ports;
 754                 }
 755         }
 756     }
 757     if (!x11->xv_port) {
 758         if (busy_ports)
 759             mp_msg(MSGT_VO, MSGL_ERR, MSGTR_LIBVO_XV_CouldNotFindFreePort);
 760         else
 761             mp_msg(MSGT_VO, MSGL_ERR, MSGTR_LIBVO_XV_NoXvideoSupport);
 762         goto error;
 763     }
 764
 765     if (!vo_xv_init_colorkey(vo)) {
 766         goto error;             // bail out, colorkey setup failed
 767     }
 768     vo_xv_enable_vsync(vo);
 769     vo_xv_get_max_img_dim(vo, &ctx->max_width, &ctx->max_height);
 770
 771     ctx->fo = XvListImageFormats(x11->display, x11->xv_port,
 772                                  (int *) &ctx->formats);
 773
 774     mp_input_add_key_fd(vo->input_ctx, ConnectionNumber(x11->display), 1,
 775                         x11_fd_callback, NULL, vo);
 776     ctx->event_fd_registered = 1;
 777     return 0;
 778
 779   error:
 780     uninit(vo);                 // free resources
 781     return -1;
 782 }
 783
 784 static int control(struct vo *vo, uint32_t request, void *data)
 785 {
 786     struct xvctx *ctx = vo->priv;
 787     struct vo_x11_state *x11 = vo->x11;
 788     switch (request) {
 789     case VOCTRL_PAUSE:
 790         return (ctx->is_paused = 1);
 791     case VOCTRL_RESUME:
 792         return (ctx->is_paused = 0);
 793     case VOCTRL_QUERY_FORMAT:
 794         return query_format(ctx, *((uint32_t *) data));
 795     case VOCTRL_GET_IMAGE:
 796         return get_image(ctx, data);
 797     case VOCTRL_DRAW_IMAGE:
 798         return draw_image(vo, data);
 799     case VOCTRL_GUISUPPORT:
 800         return VO_TRUE;
 801     case VOCTRL_GET_PANSCAN:
 802         if (!vo->config_ok || !vo_fs)
 803             return VO_FALSE;
 804         return VO_TRUE;
 805     case VOCTRL_FULLSCREEN:
 806         vo_x11_fullscreen(vo);
 807         /* indended, fallthrough to update panscan on fullscreen/windowed switch */
 808     case VOCTRL_SET_PANSCAN:
 809         if ((vo_fs && (vo_panscan != vo->panscan_amount))
 810             || (!vo_fs && vo->panscan_amount)) {
 811             int old_y = vo->panscan_y;
 812
 813             panscan_calc(vo);
 814
 815             if (old_y != vo->panscan_y) {
 816                 vo_x11_clearwindow_part(vo, x11->window,
 817                                         vo->dwidth + vo->panscan_x - 1,
 818                                         vo->dheight + vo->panscan_y - 1, 1);
 819                 vo_xv_draw_colorkey(vo, ctx->drwX - (vo->panscan_x >> 1),
 820                                     ctx->drwY - (vo->panscan_y >> 1),
 821                                     vo->dwidth + vo->panscan_x - 1,
 822                                     vo->dheight + vo->panscan_y - 1);
 823                 flip_page(vo);
 824             }
 825         }
 826         return VO_TRUE;
 827     case VOCTRL_SET_EQUALIZER:
 828         {
 829             struct voctrl_set_equalizer_args *args = data;
 830             return vo_xv_set_eq(vo, x11->xv_port, args->name, args->value);
 831         }
 832     case VOCTRL_GET_EQUALIZER:
 833         {
 834             struct voctrl_get_equalizer_args *args = data;
 835             return vo_xv_get_eq(vo, x11->xv_port, args->name, args->valueptr);
 836         }
 837     case VOCTRL_ONTOP:
 838         vo_x11_ontop(vo);
 839         return VO_TRUE;
 840     case VOCTRL_UPDATE_SCREENINFO:
 841         update_xinerama_info(vo);
 842         return VO_TRUE;
 843     case VOCTRL_REDRAW_OSD:
 844         return redraw_osd(vo, data);
 845     }
 846     return VO_NOTIMPL;
 847 }
 848
 849 const struct vo_driver video_out_xv = {
 850     .is_new = 1,
 851     .info = &info,
 852     .preinit = preinit,
 853     .config = config,
 854     .control = control,
 855     .draw_frame = draw_frame,
 856     .draw_slice = draw_slice,
 857     .draw_osd = draw_osd,
 858     .flip_page = flip_page,
 859     .check_events = check_events,
 860     .uninit = uninit
 861 };