libvo/vo_xv.c

   1 /*
   2  * X11 Xv interface
   3  *
   4  * This file is part of MPlayer.
   5  *
   6  * MPlayer is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * MPlayer is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  */
  20
  21 // Number of buffers _FOR_DOUBLEBUFFERING_MODE_
  22 // Use option -double to enable double buffering! (default: single buffer)
  23 #define NUM_BUFFERS 3
  24
  25 /*
  26 Buffer allocation:
  27
  28 -nodr:
  29   1: TEMP
  30   2: 2*TEMP
  31
  32 -dr:
  33   1: TEMP
  34   3: 2*STATIC+TEMP
  35 */
  36
  37 #include <stdio.h>
  38 #include <stdlib.h>
  39 #include <string.h>
  40 #include <stdint.h>
  41 #include <stdbool.h>
  42
  43 #include "config.h"
  44 #include "options.h"
  45 #include "talloc.h"
  46 #include "mp_msg.h"
  47 #include "help_mp.h"
  48 #include "video_out.h"
  49 #include "libmpcodecs/vfcap.h"
  50 #include "libmpcodecs/mp_image.h"
  51 #include "osd.h"
  52
  53 #include <X11/Xlib.h>
  54 #include <X11/Xutil.h>
  55 #include <errno.h>
  56
  57 #include "x11_common.h"
  58
  59 #include "fastmemcpy.h"
  60 #include "sub.h"
  61 #include "aspect.h"
  62
  63 #include "subopt-helper.h"
  64
  65 #include "input/input.h"
  66 #include "mp_fifo.h"
  67
  68 #ifdef CONFIG_GUI
  69 #include "gui/interface.h"
  70 #endif
  71
  72 #include "libavutil/common.h"
  73
  74 static const vo_info_t info = {
  75     "X11/Xv",
  76     "xv",
  77     "Gerd Knorr <kraxel@goldbach.in-berlin.de> and others",
  78     ""
  79 };
  80
  81 #ifdef HAVE_SHM
  82 #include <sys/ipc.h>
  83 #include <sys/shm.h>
  84 #include <X11/extensions/XShm.h>
  85 #endif
  86
  87 // Note: depends on the inclusion of X11/extensions/XShm.h
  88 #include <X11/extensions/Xv.h>
  89 #include <X11/extensions/Xvlib.h>
  90
  91 struct xvctx {
  92     XvAdaptorInfo *ai;
  93     XvImageFormatValues *fo;
  94     unsigned int formats, adaptors, xv_format;
  95     int current_buf;
  96     int current_ip_buf;
  97     int num_buffers;
  98     int total_buffers;
  99     int have_visible_image_copy;
 100     int have_next_image_copy;
 101     int unchanged_visible_image;
 102     int unchanged_next_image;
 103     int visible_buf;
 104     XvImage *xvimage[NUM_BUFFERS + 1];
 105     uint32_t image_width;
 106     uint32_t image_height;
 107     uint32_t image_format;
 108     int is_paused;
 109     struct vo_rect src_rect;
 110     struct vo_rect dst_rect;
 111     uint32_t max_width, max_height; // zero means: not set
 112     int event_fd_registered; // for uninit called from preinit
 113     int mode_switched;
 114     int osd_objects_drawn;
 115     void (*draw_alpha_fnc)(void *ctx, int x0, int y0, int w, int h,
 116                            unsigned char *src, unsigned char *srca,
 117                            int stride);
 118 #ifdef HAVE_SHM
 119     XShmSegmentInfo Shminfo[NUM_BUFFERS];
 120     int Shmem_Flag;
 121 #endif
 122 };
 123
 124 static void allocate_xvimage(struct vo *, int);
 125
 126
 127 static void draw_alpha_yv12(void *p, int x0, int y0, int w, int h,
 128                             unsigned char *src, unsigned char *srca,
 129                             int stride)
 130 {
 131     struct vo *vo = p;
 132     struct xvctx *ctx = vo->priv;
 133     x0 += ctx->image_width * (vo->panscan_x >> 1)
 134                            / (vo->dwidth + vo->panscan_x);
 135     vo_draw_alpha_yv12(w, h, src, srca, stride,
 136                        ctx->xvimage[ctx->current_buf]->data +
 137                        ctx->xvimage[ctx->current_buf]->offsets[0] +
 138                        ctx->xvimage[ctx->current_buf]->pitches[0] * y0 + x0,
 139                        ctx->xvimage[ctx->current_buf]->pitches[0]);
 140     ctx->osd_objects_drawn++;
 141 }
 142
 143 static void draw_alpha_yuy2(void *p, int x0, int y0, int w, int h,
 144                             unsigned char *src, unsigned char *srca,
 145                             int stride)
 146 {
 147     struct vo *vo = p;
 148     struct xvctx *ctx = vo->priv;
 149     x0 += ctx->image_width * (vo->panscan_x >> 1)
 150                            / (vo->dwidth + vo->panscan_x);
 151     vo_draw_alpha_yuy2(w, h, src, srca, stride,
 152                        ctx->xvimage[ctx->current_buf]->data +
 153                        ctx->xvimage[ctx->current_buf]->offsets[0] +
 154                        ctx->xvimage[ctx->current_buf]->pitches[0] * y0 + 2 * x0,
 155                        ctx->xvimage[ctx->current_buf]->pitches[0]);
 156     ctx->osd_objects_drawn++;
 157 }
 158
 159 static void draw_alpha_uyvy(void *p, int x0, int y0, int w, int h,
 160                             unsigned char *src, unsigned char *srca,
 161                             int stride)
 162 {
 163     struct vo *vo = p;
 164     struct xvctx *ctx = vo->priv;
 165     x0 += ctx->image_width * (vo->panscan_x >> 1)
 166                            / (vo->dwidth + vo->panscan_x);
 167     vo_draw_alpha_yuy2(w, h, src, srca, stride,
 168                        ctx->xvimage[ctx->current_buf]->data +
 169                        ctx->xvimage[ctx->current_buf]->offsets[0] +
 170                        ctx->xvimage[ctx->current_buf]->pitches[0] * y0 + 2 * x0 + 1,
 171                        ctx->xvimage[ctx->current_buf]->pitches[0]);
 172     ctx->osd_objects_drawn++;
 173 }
 174
 175 static void draw_alpha_null(void *p, int x0, int y0, int w, int h,
 176                             unsigned char *src, unsigned char *srca,
 177                             int stride)
 178 {
 179 }
 180
 181
 182 static void deallocate_xvimage(struct vo *vo, int foo);
 183
 184 static void resize(struct vo *vo)
 185 {
 186     struct xvctx *ctx = vo->priv;
 187
 188     calc_src_dst_rects(vo, ctx->image_width, ctx->image_height, &ctx->src_rect,
 189                        &ctx->dst_rect, NULL, NULL);
 190     struct vo_rect *dst = &ctx->dst_rect;
 191     vo_x11_clearwindow_part(vo, vo->x11->window, dst->width, dst->height, 1);
 192     vo_xv_draw_colorkey(vo, dst->left, dst->top, dst->width, dst->height);
 193 }
 194
 195 /*
 196  * connect to server, create and map window,
 197  * allocate colors and (shared) memory
 198  */
 199 static int config(struct vo *vo, uint32_t width, uint32_t height,
 200                   uint32_t d_width, uint32_t d_height, uint32_t flags,
 201                   char *title, uint32_t format)
 202 {
 203     struct MPOpts *opts = vo->opts;
 204     struct vo_x11_state *x11 = vo->x11;
 205     XVisualInfo vinfo;
 206     XSetWindowAttributes xswa;
 207     XWindowAttributes attribs;
 208     unsigned long xswamask;
 209     int depth;
 210     struct xvctx *ctx = vo->priv;
 211     int i;
 212
 213     ctx->image_height = height;
 214     ctx->image_width = width;
 215     ctx->image_format = format;
 216
 217     if ((ctx->max_width != 0 && ctx->max_height != 0)
 218         && (ctx->image_width > ctx->max_width
 219             || ctx->image_height > ctx->max_height)) {
 220         mp_msg(MSGT_VO, MSGL_ERR, MSGTR_VO_XV_ImagedimTooHigh,
 221                ctx->image_width, ctx->image_height, ctx->max_width,
 222                ctx->max_height);
 223         return -1;
 224     }
 225
 226     ctx->visible_buf = -1;
 227     ctx->have_visible_image_copy = false;
 228     ctx->have_next_image_copy = false;
 229
 230     /* check image formats */
 231     ctx->xv_format = 0;
 232     for (i = 0; i < ctx->formats; i++) {
 233         mp_msg(MSGT_VO, MSGL_V, "Xvideo image format: 0x%x (%4.4s) %s\n",
 234                ctx->fo[i].id, (char *) &ctx->fo[i].id,
 235                (ctx->fo[i].format == XvPacked) ? "packed" : "planar");
 236         if (ctx->fo[i].id == format)
 237             ctx->xv_format = ctx->fo[i].id;
 238     }
 239     if (!ctx->xv_format)
 240         return -1;
 241
 242 #ifdef CONFIG_GUI
 243     if (use_gui)
 244         guiGetEvent(guiSetShVideo, 0);  // the GUI will set up / resize the window
 245     else
 246 #endif
 247     {
 248 #ifdef CONFIG_XF86VM
 249         int vm = flags & VOFLAG_MODESWITCHING;
 250         if (vm) {
 251             vo_vm_switch(vo);
 252             ctx->mode_switched = 1;
 253         }
 254 #endif
 255         XGetWindowAttributes(x11->display, DefaultRootWindow(x11->display),
 256                              &attribs);
 257         depth = attribs.depth;
 258         if (depth != 15 && depth != 16 && depth != 24 && depth != 32)
 259             depth = 24;
 260         XMatchVisualInfo(x11->display, x11->screen, depth, TrueColor, &vinfo);
 261
 262         xswa.background_pixel = 0;
 263         if (x11->xv_ck_info.method == CK_METHOD_BACKGROUND)
 264             xswa.background_pixel = x11->xv_colorkey;
 265         xswa.border_pixel = 0;
 266         xswamask = CWBackPixel | CWBorderPixel;
 267
 268         vo_x11_create_vo_window(vo, &vinfo, vo->dx, vo->dy, vo->dwidth,
 269                                 vo->dheight, flags, CopyFromParent, "xv",
 270                                 title);
 271         XChangeWindowAttributes(x11->display, x11->window, xswamask, &xswa);
 272
 273 #ifdef CONFIG_XF86VM
 274         if (vm) {
 275             /* Grab the mouse pointer in our window */
 276             if (vo_grabpointer)
 277                 XGrabPointer(x11->display, x11->window, True, 0, GrabModeAsync,
 278                              GrabModeAsync, x11->window, None, CurrentTime);
 279             XSetInputFocus(x11->display, x11->window, RevertToNone,
 280                            CurrentTime);
 281         }
 282 #endif
 283     }
 284
 285     mp_msg(MSGT_VO, MSGL_V, "using Xvideo port %d for hw scaling\n",
 286            x11->xv_port);
 287
 288     switch (ctx->xv_format) {
 289     case IMGFMT_YV12:
 290     case IMGFMT_I420:
 291     case IMGFMT_IYUV:
 292         ctx->draw_alpha_fnc = draw_alpha_yv12;
 293         break;
 294     case IMGFMT_YUY2:
 295     case IMGFMT_YVYU:
 296         ctx->draw_alpha_fnc = draw_alpha_yuy2;
 297         break;
 298     case IMGFMT_UYVY:
 299         ctx->draw_alpha_fnc = draw_alpha_uyvy;
 300         break;
 301     default:
 302         ctx->draw_alpha_fnc = draw_alpha_null;
 303     }
 304
 305     // In case config has been called before
 306     for (i = 0; i < ctx->total_buffers; i++)
 307         deallocate_xvimage(vo, i);
 308
 309     ctx->num_buffers =
 310         vo_doublebuffering ? (vo_directrendering ? NUM_BUFFERS : 2) : 1;
 311     ctx->total_buffers = ctx->num_buffers + 1;
 312
 313     for (i = 0; i < ctx->total_buffers; i++)
 314         allocate_xvimage(vo, i);
 315
 316     ctx->current_buf = 0;
 317     ctx->current_ip_buf = 0;
 318
 319
 320     resize(vo);
 321
 322     return 0;
 323 }
 324
 325 static void allocate_xvimage(struct vo *vo, int foo)
 326 {
 327     struct xvctx *ctx = vo->priv;
 328     struct vo_x11_state *x11 = vo->x11;
 329     /*
 330      * allocate XvImages.  FIXME: no error checking, without
 331      * mit-shm this will bomb... trzing to fix ::atmos
 332      */
 333 #ifdef HAVE_SHM
 334     if (x11->display_is_local && XShmQueryExtension(x11->display))
 335         ctx->Shmem_Flag = 1;
 336     else {
 337         ctx->Shmem_Flag = 0;
 338         mp_msg(MSGT_VO, MSGL_INFO, MSGTR_LIBVO_XV_SharedMemoryNotSupported);
 339     }
 340     if (ctx->Shmem_Flag) {
 341         ctx->xvimage[foo] =
 342             (XvImage *) XvShmCreateImage(x11->display, x11->xv_port,
 343                                          ctx->xv_format, NULL,
 344                                          ctx->image_width, ctx->image_height,
 345                                          &ctx->Shminfo[foo]);
 346
 347         ctx->Shminfo[foo].shmid = shmget(IPC_PRIVATE,
 348                                          ctx->xvimage[foo]->data_size,
 349                                          IPC_CREAT | 0777);
 350         ctx->Shminfo[foo].shmaddr = (char *) shmat(ctx->Shminfo[foo].shmid, 0,
 351                                                    0);
 352         ctx->Shminfo[foo].readOnly = False;
 353
 354         ctx->xvimage[foo]->data = ctx->Shminfo[foo].shmaddr;
 355         XShmAttach(x11->display, &ctx->Shminfo[foo]);
 356         XSync(x11->display, False);
 357         shmctl(ctx->Shminfo[foo].shmid, IPC_RMID, 0);
 358     } else
 359 #endif
 360     {
 361         ctx->xvimage[foo] =
 362             (XvImage *) XvCreateImage(x11->display, x11->xv_port,
 363                                       ctx->xv_format, NULL, ctx->image_width,
 364                                       ctx->image_height);
 365         ctx->xvimage[foo]->data = malloc(ctx->xvimage[foo]->data_size);
 366         XSync(x11->display, False);
 367     }
 368     memset(ctx->xvimage[foo]->data, 128, ctx->xvimage[foo]->data_size);
 369     return;
 370 }
 371
 372 static void deallocate_xvimage(struct vo *vo, int foo)
 373 {
 374     struct xvctx *ctx = vo->priv;
 375 #ifdef HAVE_SHM
 376     if (ctx->Shmem_Flag) {
 377         XShmDetach(vo->x11->display, &ctx->Shminfo[foo]);
 378         shmdt(ctx->Shminfo[foo].shmaddr);
 379     } else
 380 #endif
 381     {
 382         free(ctx->xvimage[foo]->data);
 383     }
 384     XFree(ctx->xvimage[foo]);
 385
 386     XSync(vo->x11->display, False);
 387     return;
 388 }
 389
 390 static inline void put_xvimage(struct vo *vo, XvImage *xvi)
 391 {
 392     struct xvctx *ctx = vo->priv;
 393     struct vo_x11_state *x11 = vo->x11;
 394     struct vo_rect *src = &ctx->src_rect;
 395     struct vo_rect *dst = &ctx->dst_rect;
 396 #ifdef HAVE_SHM
 397     if (ctx->Shmem_Flag) {
 398         XvShmPutImage(x11->display, x11->xv_port, x11->window, x11->vo_gc, xvi,
 399                       src->left, src->top, src->width, src->height,
 400                       dst->left, dst->top, dst->width, dst->height,
 401                       False);
 402     } else
 403 #endif
 404     {
 405         XvPutImage(x11->display, x11->xv_port, x11->window, x11->vo_gc, xvi,
 406                    src->left, src->top, src->width, src->height,
 407                    dst->left, dst->top, dst->width, dst->height);
 408     }
 409 }
 410
 411 // Only copies luma for planar formats as draw_alpha doesn't change others */
 412 void copy_backup_image(struct vo *vo, int dest, int src)
 413 {
 414     struct xvctx *ctx = vo->priv;
 415
 416     XvImage *vb = ctx->xvimage[dest];
 417     XvImage *cp = ctx->xvimage[src];
 418     memcpy_pic(vb->data + vb->offsets[0], cp->data + cp->offsets[0],
 419                vb->width, vb->height,
 420                vb->pitches[0], cp->pitches[0]);
 421 }
 422
 423 static void check_events(struct vo *vo)
 424 {
 425     struct xvctx *ctx = vo->priv;
 426     struct vo_x11_state *x11 = vo->x11;
 427     int e = vo_x11_check_events(vo);
 428
 429     if (e & VO_EVENT_EXPOSE || e & VO_EVENT_RESIZE)
 430         resize(vo);
 431
 432     if ((e & VO_EVENT_EXPOSE || e & VO_EVENT_RESIZE) && ctx->is_paused) {
 433         /* did we already draw a buffer */
 434         if (ctx->visible_buf != -1) {
 435             /* redraw the last visible buffer */
 436             put_xvimage(vo, ctx->xvimage[ctx->visible_buf]);
 437         }
 438     }
 439 }
 440
 441 static void draw_osd(struct vo *vo, struct osd_state *osd)
 442 {
 443     struct xvctx *ctx = vo->priv;
 444
 445     ctx->osd_objects_drawn = 0;
 446     osd_draw_text(osd,
 447                   ctx->image_width -
 448                   ctx->image_width * vo->panscan_x / (vo->dwidth +
 449                                                       vo->panscan_x),
 450                   ctx->image_height, ctx->draw_alpha_fnc, vo);
 451     if (ctx->osd_objects_drawn)
 452         ctx->unchanged_next_image = false;
 453 }
 454
 455 static int redraw_osd(struct vo *vo, struct osd_state *osd)
 456 {
 457     struct xvctx *ctx = vo->priv;
 458
 459     if (ctx->have_visible_image_copy)
 460         copy_backup_image(vo, ctx->visible_buf, ctx->num_buffers);
 461     else if (ctx->unchanged_visible_image) {
 462         copy_backup_image(vo, ctx->num_buffers, ctx->visible_buf);
 463         ctx->have_visible_image_copy = true;
 464     }
 465     else
 466         return false;
 467     int temp = ctx->current_buf;
 468     ctx->current_buf = ctx->visible_buf;
 469     draw_osd(vo, osd);
 470     ctx->current_buf = temp;
 471     put_xvimage(vo, ctx->xvimage[ctx->visible_buf]);
 472     return true;
 473 }
 474
 475 static void flip_page(struct vo *vo)
 476 {
 477     struct xvctx *ctx = vo->priv;
 478     put_xvimage(vo, ctx->xvimage[ctx->current_buf]);
 479
 480     /* remember the currently visible buffer */
 481     ctx->visible_buf = ctx->current_buf;
 482
 483     ctx->have_visible_image_copy = ctx->have_next_image_copy;
 484     ctx->have_next_image_copy = false;
 485     ctx->unchanged_visible_image = ctx->unchanged_next_image;
 486     ctx->unchanged_next_image = false;
 487
 488     if (ctx->num_buffers > 1) {
 489         ctx->current_buf = vo_directrendering ? 0 : ((ctx->current_buf + 1) %
 490                                                      ctx->num_buffers);
 491         XFlush(vo->x11->display);
 492     } else
 493         XSync(vo->x11->display, False);
 494     return;
 495 }
 496
 497 static int draw_slice(struct vo *vo, uint8_t *image[], int stride[], int w,
 498                       int h, int x, int y)
 499 {
 500     struct xvctx *ctx = vo->priv;
 501     uint8_t *dst;
 502     XvImage *current_image = ctx->xvimage[ctx->current_buf];
 503
 504     dst = current_image->data + current_image->offsets[0]
 505         + current_image->pitches[0] * y + x;
 506     memcpy_pic(dst, image[0], w, h, current_image->pitches[0], stride[0]);
 507
 508     x /= 2;
 509     y /= 2;
 510     w /= 2;
 511     h /= 2;
 512
 513     dst = current_image->data + current_image->offsets[1]
 514         + current_image->pitches[1] * y + x;
 515     if (ctx->image_format != IMGFMT_YV12)
 516         memcpy_pic(dst, image[1], w, h, current_image->pitches[1], stride[1]);
 517     else
 518         memcpy_pic(dst, image[2], w, h, current_image->pitches[1], stride[2]);
 519
 520     dst = current_image->data + current_image->offsets[2]
 521         + current_image->pitches[2] * y + x;
 522     if (ctx->image_format == IMGFMT_YV12)
 523         memcpy_pic(dst, image[1], w, h, current_image->pitches[1], stride[1]);
 524     else
 525         memcpy_pic(dst, image[2], w, h, current_image->pitches[1], stride[2]);
 526
 527     return 0;
 528 }
 529
 530 static int draw_frame(struct vo *vo, uint8_t *src[])
 531 {
 532     return VO_ERROR;
 533 }
 534
 535 static uint32_t draw_image(struct vo *vo, mp_image_t *mpi)
 536 {
 537     struct xvctx *ctx = vo->priv;
 538
 539     ctx->have_next_image_copy = false;
 540
 541     if (mpi->flags & MP_IMGFLAG_DIRECT)
 542         // direct rendering:
 543         ctx->current_buf = (int) (mpi->priv);        // hack!
 544     else if (mpi->flags & MP_IMGFLAG_DRAW_CALLBACK)
 545         ; // done
 546     else if (mpi->flags & MP_IMGFLAG_PLANAR)
 547         draw_slice(vo, mpi->planes, mpi->stride, mpi->w, mpi->h, 0, 0);
 548     else if (mpi->flags & MP_IMGFLAG_YUV)
 549         // packed YUV:
 550         memcpy_pic(ctx->xvimage[ctx->current_buf]->data +
 551                    ctx->xvimage[ctx->current_buf]->offsets[0], mpi->planes[0],
 552                    mpi->w * (mpi->bpp / 8), mpi->h,
 553                    ctx->xvimage[ctx->current_buf]->pitches[0], mpi->stride[0]);
 554     else
 555           return false;
 556
 557     if (ctx->is_paused) {
 558         copy_backup_image(vo, ctx->num_buffers, ctx->current_buf);
 559         ctx->have_next_image_copy = true;
 560     }
 561     ctx->unchanged_next_image = true;
 562     return true;
 563 }
 564
 565 static uint32_t get_image(struct xvctx *ctx, mp_image_t *mpi)
 566 {
 567     // we shouldn't change current_buf unless we do DR!
 568     int buf = ctx->current_buf;
 569
 570     if (mpi->type == MP_IMGTYPE_STATIC && ctx->num_buffers > 1)
 571         return VO_FALSE;        // it is not static
 572     if (mpi->imgfmt != ctx->image_format)
 573         return VO_FALSE;        // needs conversion :(
 574     if (mpi->flags & MP_IMGFLAG_READABLE
 575         && (mpi->type == MP_IMGTYPE_IPB || mpi->type == MP_IMGTYPE_IP)) {
 576         // reference (I/P) frame of IP or IPB:
 577         if (ctx->num_buffers < 2)
 578             return VO_FALSE;    // not enough
 579         ctx->current_ip_buf ^= 1;
 580         // for IPB with 2 buffers we can DR only one of the 2 P frames:
 581         if (mpi->type == MP_IMGTYPE_IPB && ctx->num_buffers < 3
 582             && ctx->current_ip_buf)
 583             return VO_FALSE;
 584         buf = ctx->current_ip_buf;
 585         if (mpi->type == MP_IMGTYPE_IPB)
 586             ++buf;              // preserve space for B
 587     }
 588     if (mpi->height > ctx->xvimage[buf]->height)
 589         return VO_FALSE;        //buffer to small
 590     if (mpi->width * (mpi->bpp / 8) > ctx->xvimage[buf]->pitches[0])
 591         return VO_FALSE;        //buffer to small
 592     if ((mpi->flags & (MP_IMGFLAG_ACCEPT_STRIDE | MP_IMGFLAG_ACCEPT_WIDTH))
 593         || (mpi->width * (mpi->bpp / 8) == ctx->xvimage[buf]->pitches[0])) {
 594         ctx->current_buf = buf;
 595         XvImage *current_image = ctx->xvimage[ctx->current_buf];
 596         mpi->planes[0] = current_image->data + current_image->offsets[0];
 597         mpi->stride[0] = current_image->pitches[0];
 598         mpi->width = mpi->stride[0] / (mpi->bpp / 8);
 599         if (mpi->flags & MP_IMGFLAG_PLANAR) {
 600             if (mpi->flags & MP_IMGFLAG_SWAPPED) {
 601                 // I420
 602                 mpi->planes[1] = current_image->data
 603                                + current_image->offsets[1];
 604                 mpi->planes[2] = current_image->data
 605                                + current_image->offsets[2];
 606                 mpi->stride[1] = current_image->pitches[1];
 607                 mpi->stride[2] = current_image->pitches[2];
 608             } else {
 609                 // YV12
 610                 mpi->planes[1] = current_image->data
 611                                + current_image->offsets[2];
 612                 mpi->planes[2] = current_image->data
 613                                + current_image->offsets[1];
 614                 mpi->stride[1] = current_image->pitches[2];
 615                 mpi->stride[2] = current_image->pitches[1];
 616             }
 617         }
 618         mpi->flags |= MP_IMGFLAG_DIRECT;
 619         mpi->priv = (void *) ctx->current_buf;
 620         return VO_TRUE;
 621     }
 622     return VO_FALSE;
 623 }
 624
 625 static int query_format(struct xvctx *ctx, uint32_t format)
 626 {
 627     uint32_t i;
 628     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
 629
 630     /* check image formats */
 631     for (i = 0; i < ctx->formats; i++) {
 632         if (ctx->fo[i].id == format)
 633             return flag;        //xv_format = fo[i].id;
 634     }
 635     return 0;
 636 }
 637
 638 static void uninit(struct vo *vo)
 639 {
 640     struct xvctx *ctx = vo->priv;
 641     int i;
 642
 643     ctx->visible_buf = -1;
 644     if (ctx->ai)
 645         XvFreeAdaptorInfo(ctx->ai);
 646     ctx->ai = NULL;
 647     if (ctx->fo) {
 648         XFree(ctx->fo);
 649         ctx->fo = NULL;
 650     }
 651     for (i = 0; i < ctx->total_buffers; i++)
 652         deallocate_xvimage(vo, i);
 653 #ifdef CONFIG_XF86VM
 654     if (ctx->mode_switched)
 655         vo_vm_close(vo);
 656 #endif
 657     if (ctx->event_fd_registered)
 658         mp_input_rm_key_fd(vo->input_ctx, ConnectionNumber(vo->x11->display));
 659     // uninit() shouldn't get called unless initialization went past vo_init()
 660     vo_x11_uninit(vo);
 661 }
 662
 663 static int x11_fd_callback(void *ctx, int fd)
 664 {
 665     struct vo *vo = ctx;
 666     check_events(vo);
 667     return mplayer_get_key(vo->key_fifo, 0);
 668 }
 669
 670 static int preinit(struct vo *vo, const char *arg)
 671 {
 672     XvPortID xv_p;
 673     int busy_ports = 0;
 674     unsigned int i;
 675     strarg_t ck_src_arg = { 0, NULL };
 676     strarg_t ck_method_arg = { 0, NULL };
 677     struct xvctx *ctx = talloc_zero(vo, struct xvctx);
 678     vo->priv = ctx;
 679     struct vo_x11_state *x11 = vo->x11;
 680     int xv_adaptor = -1;
 681
 682     const opt_t subopts[] = {
 683         /* name         arg type     arg var         test */
 684         {"port", OPT_ARG_INT, &x11->xv_port, (opt_test_f) int_pos},
 685         {"adaptor", OPT_ARG_INT, &xv_adaptor, (opt_test_f) int_non_neg},
 686         {"ck", OPT_ARG_STR, &ck_src_arg, xv_test_ck},
 687         {"ck-method", OPT_ARG_STR, &ck_method_arg, xv_test_ckm},
 688         {NULL}
 689     };
 690
 691     x11->xv_port = 0;
 692
 693     /* parse suboptions */
 694     if (subopt_parse(arg, subopts) != 0) {
 695         return -1;
 696     }
 697
 698     /* modify colorkey settings according to the given options */
 699     xv_setup_colorkeyhandling(vo, ck_method_arg.str, ck_src_arg.str);
 700
 701     if (!vo_init(vo))
 702         return -1;
 703
 704     /* check for Xvideo extension */
 705     unsigned int ver, rel, req, ev, err;
 706     if (Success != XvQueryExtension(x11->display, &ver, &rel, &req, &ev, &err)) {
 707         mp_msg(MSGT_VO, MSGL_ERR, MSGTR_LIBVO_XV_XvNotSupportedByX11);
 708         goto error;
 709     }
 710
 711     /* check for Xvideo support */
 712     if (Success !=
 713         XvQueryAdaptors(x11->display, DefaultRootWindow(x11->display),
 714                         &ctx->adaptors, &ctx->ai)) {
 715         mp_msg(MSGT_VO, MSGL_ERR, MSGTR_LIBVO_XV_XvQueryAdaptorsFailed);
 716         goto error;
 717     }
 718
 719     /* check adaptors */
 720     if (x11->xv_port) {
 721         int port_found;
 722
 723         for (port_found = 0, i = 0; !port_found && i < ctx->adaptors; i++) {
 724             if ((ctx->ai[i].type & XvInputMask)
 725                 && (ctx->ai[i].type & XvImageMask)) {
 726                 for (xv_p = ctx->ai[i].base_id;
 727                      xv_p < ctx->ai[i].base_id + ctx->ai[i].num_ports;
 728                      ++xv_p) {
 729                     if (xv_p == x11->xv_port) {
 730                         port_found = 1;
 731                         break;
 732                     }
 733                 }
 734             }
 735         }
 736         if (port_found) {
 737             if (XvGrabPort(x11->display, x11->xv_port, CurrentTime))
 738                 x11->xv_port = 0;
 739         } else {
 740             mp_msg(MSGT_VO, MSGL_WARN, MSGTR_LIBVO_XV_InvalidPortParameter);
 741             x11->xv_port = 0;
 742         }
 743     }
 744
 745     for (i = 0; i < ctx->adaptors && x11->xv_port == 0; i++) {
 746         /* check if adaptor number has been specified */
 747         if (xv_adaptor != -1 && xv_adaptor != i)
 748             continue;
 749
 750         if ((ctx->ai[i].type & XvInputMask) && (ctx->ai[i].type & XvImageMask)) {
 751             for (xv_p = ctx->ai[i].base_id;
 752                  xv_p < ctx->ai[i].base_id + ctx->ai[i].num_ports; ++xv_p)
 753                 if (!XvGrabPort(x11->display, xv_p, CurrentTime)) {
 754                     x11->xv_port = xv_p;
 755                     mp_msg(MSGT_VO, MSGL_V,
 756                            "[VO_XV] Using Xv Adapter #%d (%s)\n",
 757                            i, ctx->ai[i].name);
 758                     break;
 759                 } else {
 760                     mp_msg(MSGT_VO, MSGL_WARN, MSGTR_LIBVO_XV_CouldNotGrabPort,
 761                            (int) xv_p);
 762                     ++busy_ports;
 763                 }
 764         }
 765     }
 766     if (!x11->xv_port) {
 767         if (busy_ports)
 768             mp_msg(MSGT_VO, MSGL_ERR, MSGTR_LIBVO_XV_CouldNotFindFreePort);
 769         else
 770             mp_msg(MSGT_VO, MSGL_ERR, MSGTR_LIBVO_XV_NoXvideoSupport);
 771         goto error;
 772     }
 773
 774     if (!vo_xv_init_colorkey(vo)) {
 775         goto error;             // bail out, colorkey setup failed
 776     }
 777     vo_xv_enable_vsync(vo);
 778     vo_xv_get_max_img_dim(vo, &ctx->max_width, &ctx->max_height);
 779
 780     ctx->fo = XvListImageFormats(x11->display, x11->xv_port,
 781                                  (int *) &ctx->formats);
 782
 783     mp_input_add_key_fd(vo->input_ctx, ConnectionNumber(x11->display), 1,
 784                         x11_fd_callback, NULL, vo);
 785     ctx->event_fd_registered = 1;
 786     return 0;
 787
 788   error:
 789     uninit(vo);                 // free resources
 790     return -1;
 791 }
 792
 793 static int control(struct vo *vo, uint32_t request, void *data)
 794 {
 795     struct xvctx *ctx = vo->priv;
 796     struct vo_x11_state *x11 = vo->x11;
 797     switch (request) {
 798     case VOCTRL_PAUSE:
 799         return (ctx->is_paused = 1);
 800     case VOCTRL_RESUME:
 801         return (ctx->is_paused = 0);
 802     case VOCTRL_QUERY_FORMAT:
 803         return query_format(ctx, *((uint32_t *) data));
 804     case VOCTRL_GET_IMAGE:
 805         return get_image(ctx, data);
 806     case VOCTRL_DRAW_IMAGE:
 807         return draw_image(vo, data);
 808     case VOCTRL_GUISUPPORT:
 809         return VO_TRUE;
 810     case VOCTRL_GET_PANSCAN:
 811         if (!vo->config_ok || !vo_fs)
 812             return VO_FALSE;
 813         return VO_TRUE;
 814     case VOCTRL_FULLSCREEN:
 815         vo_x11_fullscreen(vo);
 816         /* indended, fallthrough to update panscan on fullscreen/windowed switch */
 817     case VOCTRL_SET_PANSCAN:
 818         if ((vo_fs && (vo_panscan != vo->panscan_amount))
 819             || (!vo_fs && vo->panscan_amount)) {
 820             int old_y = vo->panscan_y;
 821
 822             panscan_calc(vo);
 823
 824             if (old_y != vo->panscan_y) {
 825                 resize(vo);
 826                 flip_page(vo);
 827             }
 828         }
 829         return VO_TRUE;
 830     case VOCTRL_SET_EQUALIZER:
 831         {
 832             struct voctrl_set_equalizer_args *args = data;
 833             return vo_xv_set_eq(vo, x11->xv_port, args->name, args->value);
 834         }
 835     case VOCTRL_GET_EQUALIZER:
 836         {
 837             struct voctrl_get_equalizer_args *args = data;
 838             return vo_xv_get_eq(vo, x11->xv_port, args->name, args->valueptr);
 839         }
 840     case VOCTRL_ONTOP:
 841         vo_x11_ontop(vo);
 842         return VO_TRUE;
 843     case VOCTRL_UPDATE_SCREENINFO:
 844         update_xinerama_info(vo);
 845         return VO_TRUE;
 846     case VOCTRL_REDRAW_OSD:
 847         return redraw_osd(vo, data);
 848     }
 849     return VO_NOTIMPL;
 850 }
 851
 852 const struct vo_driver video_out_xv = {
 853     .is_new = 1,
 854     .info = &info,
 855     .preinit = preinit,
 856     .config = config,
 857     .control = control,
 858     .draw_frame = draw_frame,
 859     .draw_slice = draw_slice,
 860     .draw_osd = draw_osd,
 861     .flip_page = flip_page,
 862     .check_events = check_events,
 863     .uninit = uninit
 864 };