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 #include <stdio.h>
  22 #include <stdlib.h>
  23 #include <string.h>
  24 #include <stdint.h>
  25 #include <stdbool.h>
  26 #include <errno.h>
  27 #include <X11/Xlib.h>
  28 #include <X11/Xutil.h>
  29
  30 #include <libavutil/common.h>
  31
  32 #include "config.h"
  33
  34 #ifdef HAVE_SHM
  35 #include <sys/ipc.h>
  36 #include <sys/shm.h>
  37 #include <X11/extensions/XShm.h>
  38 #endif
  39
  40 // Note: depends on the inclusion of X11/extensions/XShm.h
  41 #include <X11/extensions/Xv.h>
  42 #include <X11/extensions/Xvlib.h>
  43
  44 #include "options.h"
  45 #include "talloc.h"
  46 #include "mp_msg.h"
  47 #include "video_out.h"
  48 #include "libmpcodecs/vfcap.h"
  49 #include "libmpcodecs/mp_image.h"
  50 #include "osd.h"
  51 #include "x11_common.h"
  52 #include "fastmemcpy.h"
  53 #include "sub/sub.h"
  54 #include "aspect.h"
  55 #include "csputils.h"
  56 #include "subopt-helper.h"
  57
  58 static const vo_info_t info = {
  59     "X11/Xv",
  60     "xv",
  61     "Gerd Knorr <kraxel@goldbach.in-berlin.de> and others",
  62     ""
  63 };
  64
  65 struct xvctx {
  66     XvAdaptorInfo *ai;
  67     XvImageFormatValues *fo;
  68     unsigned int formats, adaptors, xv_format;
  69     int current_buf;
  70     int current_ip_buf;
  71     int num_buffers;
  72     int total_buffers;
  73     bool have_image_copy;
  74     bool unchanged_image;
  75     int visible_buf;
  76     XvImage *xvimage[2 + 1];
  77     uint32_t image_width;
  78     uint32_t image_height;
  79     uint32_t image_format;
  80     uint32_t image_d_width;
  81     uint32_t image_d_height;
  82     int is_paused;
  83     struct vo_rect src_rect;
  84     struct vo_rect dst_rect;
  85     uint32_t max_width, max_height; // zero means: not set
  86     int mode_switched;
  87     int osd_objects_drawn;
  88     void (*draw_alpha_fnc)(void *ctx, int x0, int y0, int w, int h,
  89                            unsigned char *src, unsigned char *srca,
  90                            int stride);
  91 #ifdef HAVE_SHM
  92     XShmSegmentInfo Shminfo[2 + 1];
  93     int Shmem_Flag;
  94 #endif
  95 };
  96
  97 static void allocate_xvimage(struct vo *, int);
  98
  99
 100 static void fixup_osd_position(struct vo *vo, int *x0, int *y0, int *w, int *h)
 101 {
 102     struct xvctx *ctx = vo->priv;
 103     *x0 += ctx->image_width * (vo->panscan_x >> 1)
 104                             / (vo->dwidth + vo->panscan_x);
 105     *w = av_clip(*w, 0, ctx->image_width);
 106     *h = av_clip(*h, 0, ctx->image_height);
 107     *x0 = FFMIN(*x0, ctx->image_width  - *w);
 108     *y0 = FFMIN(*y0, ctx->image_height - *h);
 109 }
 110
 111 static void draw_alpha_yv12(void *p, int x0, int y0, int w, int h,
 112                             unsigned char *src, unsigned char *srca,
 113                             int stride)
 114 {
 115     struct vo *vo = p;
 116     struct xvctx *ctx = vo->priv;
 117     fixup_osd_position(vo, &x0, &y0, &w, &h);
 118     vo_draw_alpha_yv12(w, h, src, srca, stride,
 119                        ctx->xvimage[ctx->current_buf]->data +
 120                        ctx->xvimage[ctx->current_buf]->offsets[0] +
 121                        ctx->xvimage[ctx->current_buf]->pitches[0] * y0 + x0,
 122                        ctx->xvimage[ctx->current_buf]->pitches[0]);
 123     ctx->osd_objects_drawn++;
 124 }
 125
 126 static void draw_alpha_yuy2(void *p, int x0, int y0, int w, int h,
 127                             unsigned char *src, unsigned char *srca,
 128                             int stride)
 129 {
 130     struct vo *vo = p;
 131     struct xvctx *ctx = vo->priv;
 132     fixup_osd_position(vo, &x0, &y0, &w, &h);
 133     vo_draw_alpha_yuy2(w, h, src, srca, stride,
 134                        ctx->xvimage[ctx->current_buf]->data +
 135                        ctx->xvimage[ctx->current_buf]->offsets[0] +
 136                        ctx->xvimage[ctx->current_buf]->pitches[0] * y0 + 2 * x0,
 137                        ctx->xvimage[ctx->current_buf]->pitches[0]);
 138     ctx->osd_objects_drawn++;
 139 }
 140
 141 static void draw_alpha_uyvy(void *p, int x0, int y0, int w, int h,
 142                             unsigned char *src, unsigned char *srca,
 143                             int stride)
 144 {
 145     struct vo *vo = p;
 146     struct xvctx *ctx = vo->priv;
 147     fixup_osd_position(vo, &x0, &y0, &w, &h);
 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 static void resize(struct vo *vo)
 166 {
 167     struct xvctx *ctx = vo->priv;
 168
 169     calc_src_dst_rects(vo, ctx->image_width, ctx->image_height, &ctx->src_rect,
 170                        &ctx->dst_rect, NULL, NULL);
 171     struct vo_rect *dst = &ctx->dst_rect;
 172     vo_x11_clearwindow_part(vo, vo->x11->window, dst->width, dst->height);
 173     vo_xv_draw_colorkey(vo, dst->left, dst->top, dst->width, dst->height);
 174 }
 175
 176 /*
 177  * connect to server, create and map window,
 178  * allocate colors and (shared) memory
 179  */
 180 static int config(struct vo *vo, uint32_t width, uint32_t height,
 181                   uint32_t d_width, uint32_t d_height, uint32_t flags,
 182                   uint32_t format)
 183 {
 184     struct vo_x11_state *x11 = vo->x11;
 185     XVisualInfo vinfo;
 186     XSetWindowAttributes xswa;
 187     XWindowAttributes attribs;
 188     unsigned long xswamask;
 189     int depth;
 190     struct xvctx *ctx = vo->priv;
 191     int i;
 192
 193     ctx->image_height = height;
 194     ctx->image_width = width;
 195     ctx->image_format = format;
 196     ctx->image_d_width = d_width;
 197     ctx->image_d_height = d_height;
 198
 199     if ((ctx->max_width != 0 && ctx->max_height != 0)
 200         && (ctx->image_width > ctx->max_width
 201             || ctx->image_height > ctx->max_height)) {
 202         mp_tmsg(MSGT_VO, MSGL_ERR, "Source image dimensions are too high: %ux%u (maximum is %ux%u)\n",
 203                ctx->image_width, ctx->image_height, ctx->max_width,
 204                ctx->max_height);
 205         return -1;
 206     }
 207
 208     ctx->visible_buf = -1;
 209     ctx->have_image_copy = false;
 210
 211     /* check image formats */
 212     ctx->xv_format = 0;
 213     for (i = 0; i < ctx->formats; i++) {
 214         mp_msg(MSGT_VO, MSGL_V, "Xvideo image format: 0x%x (%4.4s) %s\n",
 215                ctx->fo[i].id, (char *) &ctx->fo[i].id,
 216                (ctx->fo[i].format == XvPacked) ? "packed" : "planar");
 217         if (ctx->fo[i].id == format)
 218             ctx->xv_format = ctx->fo[i].id;
 219     }
 220     if (!ctx->xv_format)
 221         return -1;
 222
 223     {
 224 #ifdef CONFIG_XF86VM
 225         int vm = flags & VOFLAG_MODESWITCHING;
 226         if (vm) {
 227             vo_vm_switch(vo);
 228             ctx->mode_switched = 1;
 229         }
 230 #endif
 231         XGetWindowAttributes(x11->display, DefaultRootWindow(x11->display),
 232                              &attribs);
 233         depth = attribs.depth;
 234         if (depth != 15 && depth != 16 && depth != 24 && depth != 32)
 235             depth = 24;
 236         XMatchVisualInfo(x11->display, x11->screen, depth, TrueColor, &vinfo);
 237
 238         xswa.border_pixel = 0;
 239         xswamask = CWBorderPixel;
 240         if (x11->xv_ck_info.method == CK_METHOD_BACKGROUND) {
 241             xswa.background_pixel = x11->xv_colorkey;
 242             xswamask |= CWBackPixel;
 243         }
 244
 245         vo_x11_create_vo_window(vo, &vinfo, vo->dx, vo->dy, vo->dwidth,
 246                                 vo->dheight, flags, CopyFromParent, "xv");
 247         XChangeWindowAttributes(x11->display, x11->window, xswamask, &xswa);
 248
 249 #ifdef CONFIG_XF86VM
 250         if (vm) {
 251             /* Grab the mouse pointer in our window */
 252             if (vo_grabpointer)
 253                 XGrabPointer(x11->display, x11->window, True, 0, GrabModeAsync,
 254                              GrabModeAsync, x11->window, None, CurrentTime);
 255             XSetInputFocus(x11->display, x11->window, RevertToNone,
 256                            CurrentTime);
 257         }
 258 #endif
 259     }
 260
 261     mp_msg(MSGT_VO, MSGL_V, "using Xvideo port %d for hw scaling\n",
 262            x11->xv_port);
 263
 264     switch (ctx->xv_format) {
 265     case IMGFMT_YV12:
 266     case IMGFMT_I420:
 267     case IMGFMT_IYUV:
 268         ctx->draw_alpha_fnc = draw_alpha_yv12;
 269         break;
 270     case IMGFMT_YUY2:
 271     case IMGFMT_YVYU:
 272         ctx->draw_alpha_fnc = draw_alpha_yuy2;
 273         break;
 274     case IMGFMT_UYVY:
 275         ctx->draw_alpha_fnc = draw_alpha_uyvy;
 276         break;
 277     default:
 278         ctx->draw_alpha_fnc = draw_alpha_null;
 279     }
 280
 281     // In case config has been called before
 282     for (i = 0; i < ctx->total_buffers; i++)
 283         deallocate_xvimage(vo, i);
 284
 285     ctx->num_buffers = 2;
 286     ctx->total_buffers = ctx->num_buffers + 1;
 287
 288     for (i = 0; i < ctx->total_buffers; i++)
 289         allocate_xvimage(vo, i);
 290
 291     ctx->current_buf = 0;
 292     ctx->current_ip_buf = 0;
 293
 294
 295     resize(vo);
 296
 297     return 0;
 298 }
 299
 300 static void allocate_xvimage(struct vo *vo, int foo)
 301 {
 302     struct xvctx *ctx = vo->priv;
 303     struct vo_x11_state *x11 = vo->x11;
 304     /*
 305      * allocate XvImages.  FIXME: no error checking, without
 306      * mit-shm this will bomb... trzing to fix ::atmos
 307      */
 308 #ifdef HAVE_SHM
 309     if (x11->display_is_local && XShmQueryExtension(x11->display))
 310         ctx->Shmem_Flag = 1;
 311     else {
 312         ctx->Shmem_Flag = 0;
 313         mp_tmsg(MSGT_VO, MSGL_INFO, "[VO_XV] Shared memory not supported\nReverting to normal Xv.\n");
 314     }
 315     if (ctx->Shmem_Flag) {
 316         ctx->xvimage[foo] =
 317             (XvImage *) XvShmCreateImage(x11->display, x11->xv_port,
 318                                          ctx->xv_format, NULL,
 319                                          ctx->image_width, ctx->image_height,
 320                                          &ctx->Shminfo[foo]);
 321
 322         ctx->Shminfo[foo].shmid = shmget(IPC_PRIVATE,
 323                                          ctx->xvimage[foo]->data_size,
 324                                          IPC_CREAT | 0777);
 325         ctx->Shminfo[foo].shmaddr = (char *) shmat(ctx->Shminfo[foo].shmid, 0,
 326                                                    0);
 327         ctx->Shminfo[foo].readOnly = False;
 328
 329         ctx->xvimage[foo]->data = ctx->Shminfo[foo].shmaddr;
 330         XShmAttach(x11->display, &ctx->Shminfo[foo]);
 331         XSync(x11->display, False);
 332         shmctl(ctx->Shminfo[foo].shmid, IPC_RMID, 0);
 333     } else
 334 #endif
 335     {
 336         ctx->xvimage[foo] =
 337             (XvImage *) XvCreateImage(x11->display, x11->xv_port,
 338                                       ctx->xv_format, NULL, ctx->image_width,
 339                                       ctx->image_height);
 340         ctx->xvimage[foo]->data = malloc(ctx->xvimage[foo]->data_size);
 341         XSync(x11->display, False);
 342     }
 343     memset(ctx->xvimage[foo]->data, 128, ctx->xvimage[foo]->data_size);
 344     return;
 345 }
 346
 347 static void deallocate_xvimage(struct vo *vo, int foo)
 348 {
 349     struct xvctx *ctx = vo->priv;
 350 #ifdef HAVE_SHM
 351     if (ctx->Shmem_Flag) {
 352         XShmDetach(vo->x11->display, &ctx->Shminfo[foo]);
 353         shmdt(ctx->Shminfo[foo].shmaddr);
 354     } else
 355 #endif
 356     {
 357         free(ctx->xvimage[foo]->data);
 358     }
 359     XFree(ctx->xvimage[foo]);
 360
 361     XSync(vo->x11->display, False);
 362     return;
 363 }
 364
 365 static inline void put_xvimage(struct vo *vo, XvImage *xvi)
 366 {
 367     struct xvctx *ctx = vo->priv;
 368     struct vo_x11_state *x11 = vo->x11;
 369     struct vo_rect *src = &ctx->src_rect;
 370     struct vo_rect *dst = &ctx->dst_rect;
 371 #ifdef HAVE_SHM
 372     if (ctx->Shmem_Flag) {
 373         XvShmPutImage(x11->display, x11->xv_port, x11->window, x11->vo_gc, xvi,
 374                       src->left, src->top, src->width, src->height,
 375                       dst->left, dst->top, dst->width, dst->height,
 376                       False);
 377     } else
 378 #endif
 379     {
 380         XvPutImage(x11->display, x11->xv_port, x11->window, x11->vo_gc, xvi,
 381                    src->left, src->top, src->width, src->height,
 382                    dst->left, dst->top, dst->width, dst->height);
 383     }
 384 }
 385
 386 // Only copies luma for planar formats as draw_alpha doesn't change others */
 387 static void copy_backup_image(struct vo *vo, int dest, int src)
 388 {
 389     struct xvctx *ctx = vo->priv;
 390
 391     XvImage *vb = ctx->xvimage[dest];
 392     XvImage *cp = ctx->xvimage[src];
 393     memcpy_pic(vb->data + vb->offsets[0], cp->data + cp->offsets[0],
 394                vb->width, vb->height,
 395                vb->pitches[0], cp->pitches[0]);
 396 }
 397
 398 static void check_events(struct vo *vo)
 399 {
 400     int e = vo_x11_check_events(vo);
 401
 402     if (e & VO_EVENT_EXPOSE || e & VO_EVENT_RESIZE) {
 403         resize(vo);
 404         vo->want_redraw = true;
 405     }
 406 }
 407
 408 static void draw_osd(struct vo *vo, struct osd_state *osd)
 409 {
 410     struct xvctx *ctx = vo->priv;
 411
 412     ctx->osd_objects_drawn = 0;
 413     osd_draw_text(osd,
 414                   ctx->image_width -
 415                   ctx->image_width * vo->panscan_x / (vo->dwidth +
 416                                                       vo->panscan_x),
 417                   ctx->image_height, ctx->draw_alpha_fnc, vo);
 418     if (ctx->osd_objects_drawn)
 419         ctx->unchanged_image = false;
 420 }
 421
 422 static int redraw_frame(struct vo *vo)
 423 {
 424     struct xvctx *ctx = vo->priv;
 425
 426     if (ctx->have_image_copy)
 427         copy_backup_image(vo, ctx->visible_buf, ctx->num_buffers);
 428     else if (ctx->unchanged_image) {
 429         copy_backup_image(vo, ctx->num_buffers, ctx->visible_buf);
 430         ctx->have_image_copy = true;
 431     }  else
 432         return false;
 433     ctx->current_buf = ctx->visible_buf;
 434     return true;
 435 }
 436
 437 static void flip_page(struct vo *vo)
 438 {
 439     struct xvctx *ctx = vo->priv;
 440     put_xvimage(vo, ctx->xvimage[ctx->current_buf]);
 441
 442     /* remember the currently visible buffer */
 443     ctx->visible_buf = ctx->current_buf;
 444
 445     ctx->current_buf = (ctx->current_buf + 1) % ctx->num_buffers;
 446     XFlush(vo->x11->display);
 447     return;
 448 }
 449
 450 static int draw_slice(struct vo *vo, uint8_t *image[], int stride[], int w,
 451                       int h, int x, int y)
 452 {
 453     struct xvctx *ctx = vo->priv;
 454     uint8_t *dst;
 455     XvImage *current_image = ctx->xvimage[ctx->current_buf];
 456
 457     dst = current_image->data + current_image->offsets[0]
 458         + current_image->pitches[0] * y + x;
 459     memcpy_pic(dst, image[0], w, h, current_image->pitches[0], stride[0]);
 460
 461     x /= 2;
 462     y /= 2;
 463     w /= 2;
 464     h /= 2;
 465
 466     dst = current_image->data + current_image->offsets[1]
 467         + current_image->pitches[1] * y + x;
 468     if (ctx->image_format != IMGFMT_YV12)
 469         memcpy_pic(dst, image[1], w, h, current_image->pitches[1], stride[1]);
 470     else
 471         memcpy_pic(dst, image[2], w, h, current_image->pitches[1], stride[2]);
 472
 473     dst = current_image->data + current_image->offsets[2]
 474         + current_image->pitches[2] * y + x;
 475     if (ctx->image_format == IMGFMT_YV12)
 476         memcpy_pic(dst, image[1], w, h, current_image->pitches[1], stride[1]);
 477     else
 478         memcpy_pic(dst, image[2], w, h, current_image->pitches[1], stride[2]);
 479
 480     return 0;
 481 }
 482
 483 static mp_image_t *get_screenshot(struct vo *vo)
 484 {
 485     struct xvctx *ctx = vo->priv;
 486
 487     // try to get an image without OSD
 488     if (ctx->have_image_copy)
 489         copy_backup_image(vo, ctx->visible_buf, ctx->num_buffers);
 490
 491     XvImage *xv_image = ctx->xvimage[ctx->visible_buf];
 492
 493     int w = xv_image->width;
 494     int h = xv_image->height;
 495
 496     mp_image_t *image = alloc_mpi(w, h, ctx->image_format);
 497
 498     int bytes = 1;
 499     if (!(image->flags & MP_IMGFLAG_PLANAR) && (image->flags & MP_IMGFLAG_YUV))
 500         // packed YUV
 501         bytes = image->bpp / 8;
 502
 503     memcpy_pic(image->planes[0], xv_image->data + xv_image->offsets[0],
 504                bytes * w, h, image->stride[0], xv_image->pitches[0]);
 505
 506     if (image->flags & MP_IMGFLAG_PLANAR) {
 507         int swap = ctx->image_format == IMGFMT_YV12;
 508         int p1 = swap ? 2 : 1;
 509         int p2 = swap ? 1 : 2;
 510
 511         w /= 2;
 512         h /= 2;
 513
 514         memcpy_pic(image->planes[p1], xv_image->data + xv_image->offsets[1],
 515                    w, h, image->stride[p1], xv_image->pitches[1]);
 516         memcpy_pic(image->planes[p2], xv_image->data + xv_image->offsets[2],
 517                    w, h, image->stride[p2], xv_image->pitches[2]);
 518     }
 519
 520     image->w = ctx->image_d_width;
 521     image->h = ctx->image_d_height;
 522
 523     return image;
 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_image_copy = false;
 531
 532     if (mpi->flags & MP_IMGFLAG_DRAW_CALLBACK)
 533         ; // done
 534     else if (mpi->flags & MP_IMGFLAG_PLANAR)
 535         draw_slice(vo, mpi->planes, mpi->stride, mpi->w, mpi->h, 0, 0);
 536     else if (mpi->flags & MP_IMGFLAG_YUV)
 537         // packed YUV:
 538         memcpy_pic(ctx->xvimage[ctx->current_buf]->data +
 539                    ctx->xvimage[ctx->current_buf]->offsets[0], mpi->planes[0],
 540                    mpi->w * (mpi->bpp / 8), mpi->h,
 541                    ctx->xvimage[ctx->current_buf]->pitches[0], mpi->stride[0]);
 542     else
 543           return false;
 544
 545     if (ctx->is_paused) {
 546         copy_backup_image(vo, ctx->num_buffers, ctx->current_buf);
 547         ctx->have_image_copy = true;
 548     }
 549     ctx->unchanged_image = true;
 550     return true;
 551 }
 552
 553 static int query_format(struct xvctx *ctx, uint32_t format)
 554 {
 555     uint32_t i;
 556     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
 557
 558     /* check image formats */
 559     for (i = 0; i < ctx->formats; i++) {
 560         if (ctx->fo[i].id == format)
 561             return flag;        //xv_format = fo[i].id;
 562     }
 563     return 0;
 564 }
 565
 566 static void uninit(struct vo *vo)
 567 {
 568     struct xvctx *ctx = vo->priv;
 569     int i;
 570
 571     ctx->visible_buf = -1;
 572     if (ctx->ai)
 573         XvFreeAdaptorInfo(ctx->ai);
 574     ctx->ai = NULL;
 575     if (ctx->fo) {
 576         XFree(ctx->fo);
 577         ctx->fo = NULL;
 578     }
 579     for (i = 0; i < ctx->total_buffers; i++)
 580         deallocate_xvimage(vo, i);
 581 #ifdef CONFIG_XF86VM
 582     if (ctx->mode_switched)
 583         vo_vm_close(vo);
 584 #endif
 585     // uninit() shouldn't get called unless initialization went past vo_init()
 586     vo_x11_uninit(vo);
 587 }
 588
 589 static int preinit(struct vo *vo, const char *arg)
 590 {
 591     XvPortID xv_p;
 592     int busy_ports = 0;
 593     unsigned int i;
 594     strarg_t ck_src_arg = { 0, NULL };
 595     strarg_t ck_method_arg = { 0, NULL };
 596     struct xvctx *ctx = talloc_zero(vo, struct xvctx);
 597     vo->priv = ctx;
 598     int xv_adaptor = -1;
 599
 600     if (!vo_init(vo))
 601         return -1;
 602
 603     struct vo_x11_state *x11 = vo->x11;
 604
 605     const opt_t subopts[] =
 606     {
 607       /* name         arg type     arg var         test */
 608       {  "port",      OPT_ARG_INT, &x11->xv_port,  int_pos },
 609       {  "adaptor",   OPT_ARG_INT, &xv_adaptor,    int_non_neg },
 610       {  "ck",        OPT_ARG_STR, &ck_src_arg,    xv_test_ck },
 611       {  "ck-method", OPT_ARG_STR, &ck_method_arg, xv_test_ckm },
 612       {  NULL }
 613     };
 614
 615     x11->xv_port = 0;
 616
 617     /* parse suboptions */
 618     if (subopt_parse(arg, subopts) != 0)
 619         goto error;
 620
 621     /* modify colorkey settings according to the given options */
 622     xv_setup_colorkeyhandling(vo, ck_method_arg.str, ck_src_arg.str);
 623
 624     /* check for Xvideo extension */
 625     unsigned int ver, rel, req, ev, err;
 626     if (Success != XvQueryExtension(x11->display, &ver, &rel, &req, &ev, &err)) {
 627         mp_tmsg(MSGT_VO, MSGL_ERR, "[VO_XV] Sorry, Xv not supported by this X11 version/driver\n[VO_XV] ******** Try with  -vo x11  or  -vo sdl  *********\n");
 628         goto error;
 629     }
 630
 631     /* check for Xvideo support */
 632     if (Success !=
 633         XvQueryAdaptors(x11->display, DefaultRootWindow(x11->display),
 634                         &ctx->adaptors, &ctx->ai)) {
 635         mp_tmsg(MSGT_VO, MSGL_ERR, "[VO_XV] XvQueryAdaptors failed.\n");
 636         goto error;
 637     }
 638
 639     /* check adaptors */
 640     if (x11->xv_port) {
 641         int port_found;
 642
 643         for (port_found = 0, i = 0; !port_found && i < ctx->adaptors; i++) {
 644             if ((ctx->ai[i].type & XvInputMask)
 645                 && (ctx->ai[i].type & XvImageMask)) {
 646                 for (xv_p = ctx->ai[i].base_id;
 647                      xv_p < ctx->ai[i].base_id + ctx->ai[i].num_ports;
 648                      ++xv_p) {
 649                     if (xv_p == x11->xv_port) {
 650                         port_found = 1;
 651                         break;
 652                     }
 653                 }
 654             }
 655         }
 656         if (port_found) {
 657             if (XvGrabPort(x11->display, x11->xv_port, CurrentTime))
 658                 x11->xv_port = 0;
 659         } else {
 660             mp_tmsg(MSGT_VO, MSGL_WARN, "[VO_XV] Invalid port parameter, overriding with port 0.\n");
 661             x11->xv_port = 0;
 662         }
 663     }
 664
 665     for (i = 0; i < ctx->adaptors && x11->xv_port == 0; i++) {
 666         /* check if adaptor number has been specified */
 667         if (xv_adaptor != -1 && xv_adaptor != i)
 668             continue;
 669
 670         if ((ctx->ai[i].type & XvInputMask) && (ctx->ai[i].type & XvImageMask)) {
 671             for (xv_p = ctx->ai[i].base_id;
 672                  xv_p < ctx->ai[i].base_id + ctx->ai[i].num_ports; ++xv_p)
 673                 if (!XvGrabPort(x11->display, xv_p, CurrentTime)) {
 674                     x11->xv_port = xv_p;
 675                     mp_msg(MSGT_VO, MSGL_V,
 676                            "[VO_XV] Using Xv Adapter #%d (%s)\n",
 677                            i, ctx->ai[i].name);
 678                     break;
 679                 } else {
 680                     mp_tmsg(MSGT_VO, MSGL_WARN, "[VO_XV] Could not grab port %i.\n",
 681                            (int) xv_p);
 682                     ++busy_ports;
 683                 }
 684         }
 685     }
 686     if (!x11->xv_port) {
 687         if (busy_ports)
 688             mp_tmsg(MSGT_VO, MSGL_ERR,
 689                 "[VO_XV] Could not find free Xvideo port - maybe another process is already\n"\
 690                 "[VO_XV] using it. Close all video applications, and try again. If that does\n"\
 691                 "[VO_XV] not help, see 'mplayer -vo help' for other (non-xv) video out drivers.\n");
 692         else
 693             mp_tmsg(MSGT_VO, MSGL_ERR,
 694                 "[VO_XV] It seems there is no Xvideo support for your video card available.\n"\
 695                 "[VO_XV] Run 'xvinfo' to verify its Xv support and read\n"\
 696                 "[VO_XV] DOCS/HTML/en/video.html#xv!\n"\
 697                 "[VO_XV] See 'mplayer -vo help' for other (non-xv) video out drivers.\n"\
 698                 "[VO_XV] Try -vo x11.\n");
 699         goto error;
 700     }
 701
 702     if (!vo_xv_init_colorkey(vo)) {
 703         goto error;             // bail out, colorkey setup failed
 704     }
 705     vo_xv_enable_vsync(vo);
 706     vo_xv_get_max_img_dim(vo, &ctx->max_width, &ctx->max_height);
 707
 708     ctx->fo = XvListImageFormats(x11->display, x11->xv_port,
 709                                  (int *) &ctx->formats);
 710
 711     return 0;
 712
 713   error:
 714     uninit(vo);                 // free resources
 715     return -1;
 716 }
 717
 718 static int control(struct vo *vo, uint32_t request, void *data)
 719 {
 720     struct xvctx *ctx = vo->priv;
 721     struct vo_x11_state *x11 = vo->x11;
 722     switch (request) {
 723     case VOCTRL_PAUSE:
 724         return (ctx->is_paused = 1);
 725     case VOCTRL_RESUME:
 726         return (ctx->is_paused = 0);
 727     case VOCTRL_QUERY_FORMAT:
 728         return query_format(ctx, *((uint32_t *) data));
 729     case VOCTRL_DRAW_IMAGE:
 730         return draw_image(vo, data);
 731     case VOCTRL_GET_PANSCAN:
 732         return VO_TRUE;
 733     case VOCTRL_FULLSCREEN:
 734         vo_x11_fullscreen(vo);
 735         /* indended, fallthrough to update panscan on fullscreen/windowed switch */
 736     case VOCTRL_SET_PANSCAN:
 737         resize(vo);
 738         return VO_TRUE;
 739     case VOCTRL_SET_EQUALIZER: {
 740         vo->want_redraw = true;
 741         struct voctrl_set_equalizer_args *args = data;
 742         return vo_xv_set_eq(vo, x11->xv_port, args->name, args->value);
 743     }
 744     case VOCTRL_GET_EQUALIZER: {
 745         struct voctrl_get_equalizer_args *args = data;
 746         return vo_xv_get_eq(vo, x11->xv_port, args->name, args->valueptr);
 747     }
 748     case VOCTRL_SET_YUV_COLORSPACE:;
 749         struct mp_csp_details* given_cspc = data;
 750         int is_709 = given_cspc->format == MP_CSP_BT_709;
 751         vo_xv_set_eq(vo, x11->xv_port, "bt_709", is_709 * 200 - 100);
 752         vo->want_redraw = true;
 753         return true;
 754     case VOCTRL_GET_YUV_COLORSPACE:;
 755         struct mp_csp_details* cspc = data;
 756         *cspc = (struct mp_csp_details) MP_CSP_DETAILS_DEFAULTS;
 757         int bt709_enabled;
 758         if (vo_xv_get_eq(vo, x11->xv_port, "bt_709", &bt709_enabled))
 759             cspc->format = bt709_enabled == 100 ? MP_CSP_BT_709 : MP_CSP_BT_601;
 760         return true;
 761     case VOCTRL_ONTOP:
 762         vo_x11_ontop(vo);
 763         return VO_TRUE;
 764     case VOCTRL_UPDATE_SCREENINFO:
 765         update_xinerama_info(vo);
 766         return VO_TRUE;
 767     case VOCTRL_REDRAW_FRAME:
 768         return redraw_frame(vo);
 769     case VOCTRL_SCREENSHOT: {
 770         struct voctrl_screenshot_args *args = data;
 771         args->out_image = get_screenshot(vo);
 772         return true;
 773     }
 774     }
 775     return VO_NOTIMPL;
 776 }
 777
 778 const struct vo_driver video_out_xv = {
 779     .is_new = 1,
 780     .info = &info,
 781     .preinit = preinit,
 782     .config = config,
 783     .control = control,
 784     .draw_slice = draw_slice,
 785     .draw_osd = draw_osd,
 786     .flip_page = flip_page,
 787     .check_events = check_events,
 788     .uninit = uninit
 789 };