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 "video_out.h"
  48 #include "libmpcodecs/vfcap.h"
  49 #include "libmpcodecs/mp_image.h"
  50 #include "osd.h"
  51
  52 #include <X11/Xlib.h>
  53 #include <X11/Xutil.h>
  54 #include <errno.h>
  55
  56 #include "x11_common.h"
  57
  58 #include "fastmemcpy.h"
  59 #include "sub.h"
  60 #include "aspect.h"
  61
  62 #include "subopt-helper.h"
  63
  64 #include "input/input.h"
  65 #include "mp_fifo.h"
  66
  67 #include "libavutil/common.h"
  68
  69 static const vo_info_t info = {
  70     "X11/Xv",
  71     "xv",
  72     "Gerd Knorr <kraxel@goldbach.in-berlin.de> and others",
  73     ""
  74 };
  75
  76 #ifdef HAVE_SHM
  77 #include <sys/ipc.h>
  78 #include <sys/shm.h>
  79 #include <X11/extensions/XShm.h>
  80 #endif
  81
  82 // Note: depends on the inclusion of X11/extensions/XShm.h
  83 #include <X11/extensions/Xv.h>
  84 #include <X11/extensions/Xvlib.h>
  85
  86 struct xvctx {
  87     XvAdaptorInfo *ai;
  88     XvImageFormatValues *fo;
  89     unsigned int formats, adaptors, xv_format;
  90     int current_buf;
  91     int current_ip_buf;
  92     int num_buffers;
  93     int total_buffers;
  94     int have_visible_image_copy;
  95     int have_next_image_copy;
  96     int unchanged_visible_image;
  97     int unchanged_next_image;
  98     int visible_buf;
  99     XvImage *xvimage[NUM_BUFFERS + 1];
 100     uint32_t image_width;
 101     uint32_t image_height;
 102     uint32_t image_format;
 103     int is_paused;
 104     struct vo_rect src_rect;
 105     struct vo_rect dst_rect;
 106     uint32_t max_width, max_height; // zero means: not set
 107     int event_fd_registered; // for uninit called from preinit
 108     int mode_switched;
 109     int osd_objects_drawn;
 110     void (*draw_alpha_fnc)(void *ctx, int x0, int y0, int w, int h,
 111                            unsigned char *src, unsigned char *srca,
 112                            int stride);
 113 #ifdef HAVE_SHM
 114     XShmSegmentInfo Shminfo[NUM_BUFFERS + 1];
 115     int Shmem_Flag;
 116 #endif
 117 };
 118
 119 static void allocate_xvimage(struct vo *, int);
 120
 121
 122 static void draw_alpha_yv12(void *p, int x0, int y0, int w, int h,
 123                             unsigned char *src, unsigned char *srca,
 124                             int stride)
 125 {
 126     struct vo *vo = p;
 127     struct xvctx *ctx = vo->priv;
 128     x0 += ctx->image_width * (vo->panscan_x >> 1)
 129                            / (vo->dwidth + vo->panscan_x);
 130     vo_draw_alpha_yv12(w, h, src, srca, stride,
 131                        ctx->xvimage[ctx->current_buf]->data +
 132                        ctx->xvimage[ctx->current_buf]->offsets[0] +
 133                        ctx->xvimage[ctx->current_buf]->pitches[0] * y0 + x0,
 134                        ctx->xvimage[ctx->current_buf]->pitches[0]);
 135     ctx->osd_objects_drawn++;
 136 }
 137
 138 static void draw_alpha_yuy2(void *p, int x0, int y0, int w, int h,
 139                             unsigned char *src, unsigned char *srca,
 140                             int stride)
 141 {
 142     struct vo *vo = p;
 143     struct xvctx *ctx = vo->priv;
 144     x0 += ctx->image_width * (vo->panscan_x >> 1)
 145                            / (vo->dwidth + vo->panscan_x);
 146     vo_draw_alpha_yuy2(w, h, src, srca, stride,
 147                        ctx->xvimage[ctx->current_buf]->data +
 148                        ctx->xvimage[ctx->current_buf]->offsets[0] +
 149                        ctx->xvimage[ctx->current_buf]->pitches[0] * y0 + 2 * x0,
 150                        ctx->xvimage[ctx->current_buf]->pitches[0]);
 151     ctx->osd_objects_drawn++;
 152 }
 153
 154 static void draw_alpha_uyvy(void *p, int x0, int y0, int w, int h,
 155                             unsigned char *src, unsigned char *srca,
 156                             int stride)
 157 {
 158     struct vo *vo = p;
 159     struct xvctx *ctx = vo->priv;
 160     x0 += ctx->image_width * (vo->panscan_x >> 1)
 161                            / (vo->dwidth + vo->panscan_x);
 162     vo_draw_alpha_yuy2(w, h, src, srca, stride,
 163                        ctx->xvimage[ctx->current_buf]->data +
 164                        ctx->xvimage[ctx->current_buf]->offsets[0] +
 165                        ctx->xvimage[ctx->current_buf]->pitches[0] * y0 + 2 * x0 + 1,
 166                        ctx->xvimage[ctx->current_buf]->pitches[0]);
 167     ctx->osd_objects_drawn++;
 168 }
 169
 170 static void draw_alpha_null(void *p, int x0, int y0, int w, int h,
 171                             unsigned char *src, unsigned char *srca,
 172                             int stride)
 173 {
 174 }
 175
 176
 177 static void deallocate_xvimage(struct vo *vo, int foo);
 178
 179 static void resize(struct vo *vo)
 180 {
 181     struct xvctx *ctx = vo->priv;
 182
 183     calc_src_dst_rects(vo, ctx->image_width, ctx->image_height, &ctx->src_rect,
 184                        &ctx->dst_rect, NULL, NULL);
 185     struct vo_rect *dst = &ctx->dst_rect;
 186     vo_x11_clearwindow_part(vo, vo->x11->window, dst->width, dst->height, 1);
 187     vo_xv_draw_colorkey(vo, dst->left, dst->top, dst->width, dst->height);
 188 }
 189
 190 /*
 191  * connect to server, create and map window,
 192  * allocate colors and (shared) memory
 193  */
 194 static int config(struct vo *vo, uint32_t width, uint32_t height,
 195                   uint32_t d_width, uint32_t d_height, uint32_t flags,
 196                   char *title, uint32_t format)
 197 {
 198     struct vo_x11_state *x11 = vo->x11;
 199     XVisualInfo vinfo;
 200     XSetWindowAttributes xswa;
 201     XWindowAttributes attribs;
 202     unsigned long xswamask;
 203     int depth;
 204     struct xvctx *ctx = vo->priv;
 205     int i;
 206
 207     ctx->image_height = height;
 208     ctx->image_width = width;
 209     ctx->image_format = format;
 210
 211     if ((ctx->max_width != 0 && ctx->max_height != 0)
 212         && (ctx->image_width > ctx->max_width
 213             || ctx->image_height > ctx->max_height)) {
 214         mp_tmsg(MSGT_VO, MSGL_ERR, "Source image dimensions are too high: %ux%u (maximum is %ux%u)\n",
 215                ctx->image_width, ctx->image_height, ctx->max_width,
 216                ctx->max_height);
 217         return -1;
 218     }
 219
 220     ctx->visible_buf = -1;
 221     ctx->have_visible_image_copy = false;
 222     ctx->have_next_image_copy = false;
 223
 224     /* check image formats */
 225     ctx->xv_format = 0;
 226     for (i = 0; i < ctx->formats; i++) {
 227         mp_msg(MSGT_VO, MSGL_V, "Xvideo image format: 0x%x (%4.4s) %s\n",
 228                ctx->fo[i].id, (char *) &ctx->fo[i].id,
 229                (ctx->fo[i].format == XvPacked) ? "packed" : "planar");
 230         if (ctx->fo[i].id == format)
 231             ctx->xv_format = ctx->fo[i].id;
 232     }
 233     if (!ctx->xv_format)
 234         return -1;
 235
 236     {
 237 #ifdef CONFIG_XF86VM
 238         int vm = flags & VOFLAG_MODESWITCHING;
 239         if (vm) {
 240             vo_vm_switch(vo);
 241             ctx->mode_switched = 1;
 242         }
 243 #endif
 244         XGetWindowAttributes(x11->display, DefaultRootWindow(x11->display),
 245                              &attribs);
 246         depth = attribs.depth;
 247         if (depth != 15 && depth != 16 && depth != 24 && depth != 32)
 248             depth = 24;
 249         XMatchVisualInfo(x11->display, x11->screen, depth, TrueColor, &vinfo);
 250
 251         xswa.background_pixel = 0;
 252         if (x11->xv_ck_info.method == CK_METHOD_BACKGROUND)
 253             xswa.background_pixel = x11->xv_colorkey;
 254         xswa.border_pixel = 0;
 255         xswamask = CWBackPixel | CWBorderPixel;
 256
 257         vo_x11_create_vo_window(vo, &vinfo, vo->dx, vo->dy, vo->dwidth,
 258                                 vo->dheight, flags, CopyFromParent, "xv",
 259                                 title);
 260         XChangeWindowAttributes(x11->display, x11->window, xswamask, &xswa);
 261
 262 #ifdef CONFIG_XF86VM
 263         if (vm) {
 264             /* Grab the mouse pointer in our window */
 265             if (vo_grabpointer)
 266                 XGrabPointer(x11->display, x11->window, True, 0, GrabModeAsync,
 267                              GrabModeAsync, x11->window, None, CurrentTime);
 268             XSetInputFocus(x11->display, x11->window, RevertToNone,
 269                            CurrentTime);
 270         }
 271 #endif
 272     }
 273
 274     mp_msg(MSGT_VO, MSGL_V, "using Xvideo port %d for hw scaling\n",
 275            x11->xv_port);
 276
 277     switch (ctx->xv_format) {
 278     case IMGFMT_YV12:
 279     case IMGFMT_I420:
 280     case IMGFMT_IYUV:
 281         ctx->draw_alpha_fnc = draw_alpha_yv12;
 282         break;
 283     case IMGFMT_YUY2:
 284     case IMGFMT_YVYU:
 285         ctx->draw_alpha_fnc = draw_alpha_yuy2;
 286         break;
 287     case IMGFMT_UYVY:
 288         ctx->draw_alpha_fnc = draw_alpha_uyvy;
 289         break;
 290     default:
 291         ctx->draw_alpha_fnc = draw_alpha_null;
 292     }
 293
 294     // In case config has been called before
 295     for (i = 0; i < ctx->total_buffers; i++)
 296         deallocate_xvimage(vo, i);
 297
 298     ctx->num_buffers =
 299         vo_doublebuffering ? (vo_directrendering ? NUM_BUFFERS : 2) : 1;
 300     ctx->total_buffers = ctx->num_buffers + 1;
 301
 302     for (i = 0; i < ctx->total_buffers; i++)
 303         allocate_xvimage(vo, i);
 304
 305     ctx->current_buf = 0;
 306     ctx->current_ip_buf = 0;
 307
 308
 309     resize(vo);
 310
 311     return 0;
 312 }
 313
 314 static void allocate_xvimage(struct vo *vo, int foo)
 315 {
 316     struct xvctx *ctx = vo->priv;
 317     struct vo_x11_state *x11 = vo->x11;
 318     /*
 319      * allocate XvImages.  FIXME: no error checking, without
 320      * mit-shm this will bomb... trzing to fix ::atmos
 321      */
 322 #ifdef HAVE_SHM
 323     if (x11->display_is_local && XShmQueryExtension(x11->display))
 324         ctx->Shmem_Flag = 1;
 325     else {
 326         ctx->Shmem_Flag = 0;
 327         mp_tmsg(MSGT_VO, MSGL_INFO, "[VO_XV] Shared memory not supported\nReverting to normal Xv.\n");
 328     }
 329     if (ctx->Shmem_Flag) {
 330         ctx->xvimage[foo] =
 331             (XvImage *) XvShmCreateImage(x11->display, x11->xv_port,
 332                                          ctx->xv_format, NULL,
 333                                          ctx->image_width, ctx->image_height,
 334                                          &ctx->Shminfo[foo]);
 335
 336         ctx->Shminfo[foo].shmid = shmget(IPC_PRIVATE,
 337                                          ctx->xvimage[foo]->data_size,
 338                                          IPC_CREAT | 0777);
 339         ctx->Shminfo[foo].shmaddr = (char *) shmat(ctx->Shminfo[foo].shmid, 0,
 340                                                    0);
 341         ctx->Shminfo[foo].readOnly = False;
 342
 343         ctx->xvimage[foo]->data = ctx->Shminfo[foo].shmaddr;
 344         XShmAttach(x11->display, &ctx->Shminfo[foo]);
 345         XSync(x11->display, False);
 346         shmctl(ctx->Shminfo[foo].shmid, IPC_RMID, 0);
 347     } else
 348 #endif
 349     {
 350         ctx->xvimage[foo] =
 351             (XvImage *) XvCreateImage(x11->display, x11->xv_port,
 352                                       ctx->xv_format, NULL, ctx->image_width,
 353                                       ctx->image_height);
 354         ctx->xvimage[foo]->data = malloc(ctx->xvimage[foo]->data_size);
 355         XSync(x11->display, False);
 356     }
 357     memset(ctx->xvimage[foo]->data, 128, ctx->xvimage[foo]->data_size);
 358     return;
 359 }
 360
 361 static void deallocate_xvimage(struct vo *vo, int foo)
 362 {
 363     struct xvctx *ctx = vo->priv;
 364 #ifdef HAVE_SHM
 365     if (ctx->Shmem_Flag) {
 366         XShmDetach(vo->x11->display, &ctx->Shminfo[foo]);
 367         shmdt(ctx->Shminfo[foo].shmaddr);
 368     } else
 369 #endif
 370     {
 371         free(ctx->xvimage[foo]->data);
 372     }
 373     XFree(ctx->xvimage[foo]);
 374
 375     XSync(vo->x11->display, False);
 376     return;
 377 }
 378
 379 static inline void put_xvimage(struct vo *vo, XvImage *xvi)
 380 {
 381     struct xvctx *ctx = vo->priv;
 382     struct vo_x11_state *x11 = vo->x11;
 383     struct vo_rect *src = &ctx->src_rect;
 384     struct vo_rect *dst = &ctx->dst_rect;
 385 #ifdef HAVE_SHM
 386     if (ctx->Shmem_Flag) {
 387         XvShmPutImage(x11->display, x11->xv_port, x11->window, x11->vo_gc, xvi,
 388                       src->left, src->top, src->width, src->height,
 389                       dst->left, dst->top, dst->width, dst->height,
 390                       False);
 391     } else
 392 #endif
 393     {
 394         XvPutImage(x11->display, x11->xv_port, x11->window, x11->vo_gc, xvi,
 395                    src->left, src->top, src->width, src->height,
 396                    dst->left, dst->top, dst->width, dst->height);
 397     }
 398 }
 399
 400 // Only copies luma for planar formats as draw_alpha doesn't change others */
 401 static void copy_backup_image(struct vo *vo, int dest, int src)
 402 {
 403     struct xvctx *ctx = vo->priv;
 404
 405     XvImage *vb = ctx->xvimage[dest];
 406     XvImage *cp = ctx->xvimage[src];
 407     memcpy_pic(vb->data + vb->offsets[0], cp->data + cp->offsets[0],
 408                vb->width, vb->height,
 409                vb->pitches[0], cp->pitches[0]);
 410 }
 411
 412 static void check_events(struct vo *vo)
 413 {
 414     struct xvctx *ctx = vo->priv;
 415     int e = vo_x11_check_events(vo);
 416
 417     if (e & VO_EVENT_EXPOSE || e & VO_EVENT_RESIZE)
 418         resize(vo);
 419
 420     if ((e & VO_EVENT_EXPOSE || e & VO_EVENT_RESIZE) && ctx->is_paused) {
 421         /* did we already draw a buffer */
 422         if (ctx->visible_buf != -1) {
 423             /* redraw the last visible buffer */
 424             put_xvimage(vo, ctx->xvimage[ctx->visible_buf]);
 425         }
 426     }
 427 }
 428
 429 static void draw_osd(struct vo *vo, struct osd_state *osd)
 430 {
 431     struct xvctx *ctx = vo->priv;
 432
 433     ctx->osd_objects_drawn = 0;
 434     osd_draw_text(osd,
 435                   ctx->image_width -
 436                   ctx->image_width * vo->panscan_x / (vo->dwidth +
 437                                                       vo->panscan_x),
 438                   ctx->image_height, ctx->draw_alpha_fnc, vo);
 439     if (ctx->osd_objects_drawn)
 440         ctx->unchanged_next_image = false;
 441 }
 442
 443 static int redraw_osd(struct vo *vo, struct osd_state *osd)
 444 {
 445     struct xvctx *ctx = vo->priv;
 446
 447     if (ctx->have_visible_image_copy)
 448         copy_backup_image(vo, ctx->visible_buf, ctx->num_buffers);
 449     else if (ctx->unchanged_visible_image) {
 450         copy_backup_image(vo, ctx->num_buffers, ctx->visible_buf);
 451         ctx->have_visible_image_copy = true;
 452     }
 453     else
 454         return false;
 455     int temp = ctx->current_buf;
 456     ctx->current_buf = ctx->visible_buf;
 457     draw_osd(vo, osd);
 458     ctx->current_buf = temp;
 459     put_xvimage(vo, ctx->xvimage[ctx->visible_buf]);
 460     return true;
 461 }
 462
 463 static void flip_page(struct vo *vo)
 464 {
 465     struct xvctx *ctx = vo->priv;
 466     put_xvimage(vo, ctx->xvimage[ctx->current_buf]);
 467
 468     /* remember the currently visible buffer */
 469     ctx->visible_buf = ctx->current_buf;
 470
 471     ctx->have_visible_image_copy = ctx->have_next_image_copy;
 472     ctx->have_next_image_copy = false;
 473     ctx->unchanged_visible_image = ctx->unchanged_next_image;
 474     ctx->unchanged_next_image = false;
 475
 476     if (ctx->num_buffers > 1) {
 477         ctx->current_buf = vo_directrendering ? 0 : ((ctx->current_buf + 1) %
 478                                                      ctx->num_buffers);
 479         XFlush(vo->x11->display);
 480     } else
 481         XSync(vo->x11->display, False);
 482     return;
 483 }
 484
 485 static int draw_slice(struct vo *vo, uint8_t *image[], int stride[], int w,
 486                       int h, int x, int y)
 487 {
 488     struct xvctx *ctx = vo->priv;
 489     uint8_t *dst;
 490     XvImage *current_image = ctx->xvimage[ctx->current_buf];
 491
 492     dst = current_image->data + current_image->offsets[0]
 493         + current_image->pitches[0] * y + x;
 494     memcpy_pic(dst, image[0], w, h, current_image->pitches[0], stride[0]);
 495
 496     x /= 2;
 497     y /= 2;
 498     w /= 2;
 499     h /= 2;
 500
 501     dst = current_image->data + current_image->offsets[1]
 502         + current_image->pitches[1] * y + x;
 503     if (ctx->image_format != IMGFMT_YV12)
 504         memcpy_pic(dst, image[1], w, h, current_image->pitches[1], stride[1]);
 505     else
 506         memcpy_pic(dst, image[2], w, h, current_image->pitches[1], stride[2]);
 507
 508     dst = current_image->data + current_image->offsets[2]
 509         + current_image->pitches[2] * y + x;
 510     if (ctx->image_format == IMGFMT_YV12)
 511         memcpy_pic(dst, image[1], w, h, current_image->pitches[1], stride[1]);
 512     else
 513         memcpy_pic(dst, image[2], w, h, current_image->pitches[1], stride[2]);
 514
 515     return 0;
 516 }
 517
 518 static uint32_t draw_image(struct vo *vo, mp_image_t *mpi)
 519 {
 520     struct xvctx *ctx = vo->priv;
 521
 522     ctx->have_next_image_copy = false;
 523
 524     if (mpi->flags & MP_IMGFLAG_DIRECT)
 525         // direct rendering:
 526         ctx->current_buf = (int) (mpi->priv);        // hack!
 527     else if (mpi->flags & MP_IMGFLAG_DRAW_CALLBACK)
 528         ; // done
 529     else if (mpi->flags & MP_IMGFLAG_PLANAR)
 530         draw_slice(vo, mpi->planes, mpi->stride, mpi->w, mpi->h, 0, 0);
 531     else if (mpi->flags & MP_IMGFLAG_YUV)
 532         // packed YUV:
 533         memcpy_pic(ctx->xvimage[ctx->current_buf]->data +
 534                    ctx->xvimage[ctx->current_buf]->offsets[0], mpi->planes[0],
 535                    mpi->w * (mpi->bpp / 8), mpi->h,
 536                    ctx->xvimage[ctx->current_buf]->pitches[0], mpi->stride[0]);
 537     else
 538           return false;
 539
 540     if (ctx->is_paused) {
 541         copy_backup_image(vo, ctx->num_buffers, ctx->current_buf);
 542         ctx->have_next_image_copy = true;
 543     }
 544     ctx->unchanged_next_image = true;
 545     return true;
 546 }
 547
 548 static uint32_t get_image(struct xvctx *ctx, mp_image_t *mpi)
 549 {
 550     // we shouldn't change current_buf unless we do DR!
 551     int buf = ctx->current_buf;
 552
 553     if (mpi->type == MP_IMGTYPE_STATIC && ctx->num_buffers > 1)
 554         return VO_FALSE;        // it is not static
 555     if (mpi->imgfmt != ctx->image_format)
 556         return VO_FALSE;        // needs conversion :(
 557     if (mpi->flags & MP_IMGFLAG_READABLE
 558         && (mpi->type == MP_IMGTYPE_IPB || mpi->type == MP_IMGTYPE_IP)) {
 559         // reference (I/P) frame of IP or IPB:
 560         if (ctx->num_buffers < 2)
 561             return VO_FALSE;    // not enough
 562         ctx->current_ip_buf ^= 1;
 563         // for IPB with 2 buffers we can DR only one of the 2 P frames:
 564         if (mpi->type == MP_IMGTYPE_IPB && ctx->num_buffers < 3
 565             && ctx->current_ip_buf)
 566             return VO_FALSE;
 567         buf = ctx->current_ip_buf;
 568         if (mpi->type == MP_IMGTYPE_IPB)
 569             ++buf;              // preserve space for B
 570     }
 571     if (mpi->height > ctx->xvimage[buf]->height)
 572         return VO_FALSE;        //buffer to small
 573     if (mpi->width * (mpi->bpp / 8) > ctx->xvimage[buf]->pitches[0])
 574         return VO_FALSE;        //buffer to small
 575     if ((mpi->flags & (MP_IMGFLAG_ACCEPT_STRIDE | MP_IMGFLAG_ACCEPT_WIDTH))
 576         || (mpi->width * (mpi->bpp / 8) == ctx->xvimage[buf]->pitches[0])) {
 577         ctx->current_buf = buf;
 578         XvImage *current_image = ctx->xvimage[ctx->current_buf];
 579         mpi->planes[0] = current_image->data + current_image->offsets[0];
 580         mpi->stride[0] = current_image->pitches[0];
 581         mpi->width = mpi->stride[0] / (mpi->bpp / 8);
 582         if (mpi->flags & MP_IMGFLAG_PLANAR) {
 583             if (mpi->flags & MP_IMGFLAG_SWAPPED) {
 584                 // I420
 585                 mpi->planes[1] = current_image->data
 586                                + current_image->offsets[1];
 587                 mpi->planes[2] = current_image->data
 588                                + current_image->offsets[2];
 589                 mpi->stride[1] = current_image->pitches[1];
 590                 mpi->stride[2] = current_image->pitches[2];
 591             } else {
 592                 // YV12
 593                 mpi->planes[1] = current_image->data
 594                                + current_image->offsets[2];
 595                 mpi->planes[2] = current_image->data
 596                                + current_image->offsets[1];
 597                 mpi->stride[1] = current_image->pitches[2];
 598                 mpi->stride[2] = current_image->pitches[1];
 599             }
 600         }
 601         mpi->flags |= MP_IMGFLAG_DIRECT;
 602         mpi->priv = (void *) ctx->current_buf;
 603         return VO_TRUE;
 604     }
 605     return VO_FALSE;
 606 }
 607
 608 static int query_format(struct xvctx *ctx, uint32_t format)
 609 {
 610     uint32_t i;
 611     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
 612
 613     /* check image formats */
 614     for (i = 0; i < ctx->formats; i++) {
 615         if (ctx->fo[i].id == format)
 616             return flag;        //xv_format = fo[i].id;
 617     }
 618     return 0;
 619 }
 620
 621 static void uninit(struct vo *vo)
 622 {
 623     struct xvctx *ctx = vo->priv;
 624     int i;
 625
 626     ctx->visible_buf = -1;
 627     if (ctx->ai)
 628         XvFreeAdaptorInfo(ctx->ai);
 629     ctx->ai = NULL;
 630     if (ctx->fo) {
 631         XFree(ctx->fo);
 632         ctx->fo = NULL;
 633     }
 634     for (i = 0; i < ctx->total_buffers; i++)
 635         deallocate_xvimage(vo, i);
 636 #ifdef CONFIG_XF86VM
 637     if (ctx->mode_switched)
 638         vo_vm_close(vo);
 639 #endif
 640     if (ctx->event_fd_registered)
 641         mp_input_rm_key_fd(vo->input_ctx, ConnectionNumber(vo->x11->display));
 642     // uninit() shouldn't get called unless initialization went past vo_init()
 643     vo_x11_uninit(vo);
 644 }
 645
 646 static int x11_fd_callback(void *ctx, int fd)
 647 {
 648     struct vo *vo = ctx;
 649     check_events(vo);
 650     return mplayer_get_key(vo->key_fifo, 0);
 651 }
 652
 653 static int preinit(struct vo *vo, const char *arg)
 654 {
 655     XvPortID xv_p;
 656     int busy_ports = 0;
 657     unsigned int i;
 658     strarg_t ck_src_arg = { 0, NULL };
 659     strarg_t ck_method_arg = { 0, NULL };
 660     struct xvctx *ctx = talloc_zero(vo, struct xvctx);
 661     vo->priv = ctx;
 662     struct vo_x11_state *x11 = vo->x11;
 663     int xv_adaptor = -1;
 664
 665     const opt_t subopts[] =
 666     {
 667       /* name         arg type     arg var         test */
 668       {  "port",      OPT_ARG_INT, &x11->xv_port,  int_pos },
 669       {  "adaptor",   OPT_ARG_INT, &xv_adaptor,    int_non_neg },
 670       {  "ck",        OPT_ARG_STR, &ck_src_arg,    xv_test_ck },
 671       {  "ck-method", OPT_ARG_STR, &ck_method_arg, xv_test_ckm },
 672       {  NULL }
 673     };
 674
 675     x11->xv_port = 0;
 676
 677     /* parse suboptions */
 678     if (subopt_parse(arg, subopts) != 0) {
 679         return -1;
 680     }
 681
 682     /* modify colorkey settings according to the given options */
 683     xv_setup_colorkeyhandling(vo, ck_method_arg.str, ck_src_arg.str);
 684
 685     if (!vo_init(vo))
 686         return -1;
 687
 688     /* check for Xvideo extension */
 689     unsigned int ver, rel, req, ev, err;
 690     if (Success != XvQueryExtension(x11->display, &ver, &rel, &req, &ev, &err)) {
 691         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");
 692         goto error;
 693     }
 694
 695     /* check for Xvideo support */
 696     if (Success !=
 697         XvQueryAdaptors(x11->display, DefaultRootWindow(x11->display),
 698                         &ctx->adaptors, &ctx->ai)) {
 699         mp_tmsg(MSGT_VO, MSGL_ERR, "[VO_XV] XvQueryAdaptors failed.\n");
 700         goto error;
 701     }
 702
 703     /* check adaptors */
 704     if (x11->xv_port) {
 705         int port_found;
 706
 707         for (port_found = 0, i = 0; !port_found && i < ctx->adaptors; i++) {
 708             if ((ctx->ai[i].type & XvInputMask)
 709                 && (ctx->ai[i].type & XvImageMask)) {
 710                 for (xv_p = ctx->ai[i].base_id;
 711                      xv_p < ctx->ai[i].base_id + ctx->ai[i].num_ports;
 712                      ++xv_p) {
 713                     if (xv_p == x11->xv_port) {
 714                         port_found = 1;
 715                         break;
 716                     }
 717                 }
 718             }
 719         }
 720         if (port_found) {
 721             if (XvGrabPort(x11->display, x11->xv_port, CurrentTime))
 722                 x11->xv_port = 0;
 723         } else {
 724             mp_tmsg(MSGT_VO, MSGL_WARN, "[VO_XV] Invalid port parameter, overriding with port 0.\n");
 725             x11->xv_port = 0;
 726         }
 727     }
 728
 729     for (i = 0; i < ctx->adaptors && x11->xv_port == 0; i++) {
 730         /* check if adaptor number has been specified */
 731         if (xv_adaptor != -1 && xv_adaptor != i)
 732             continue;
 733
 734         if ((ctx->ai[i].type & XvInputMask) && (ctx->ai[i].type & XvImageMask)) {
 735             for (xv_p = ctx->ai[i].base_id;
 736                  xv_p < ctx->ai[i].base_id + ctx->ai[i].num_ports; ++xv_p)
 737                 if (!XvGrabPort(x11->display, xv_p, CurrentTime)) {
 738                     x11->xv_port = xv_p;
 739                     mp_msg(MSGT_VO, MSGL_V,
 740                            "[VO_XV] Using Xv Adapter #%d (%s)\n",
 741                            i, ctx->ai[i].name);
 742                     break;
 743                 } else {
 744                     mp_tmsg(MSGT_VO, MSGL_WARN, "[VO_XV] Could not grab port %i.\n",
 745                            (int) xv_p);
 746                     ++busy_ports;
 747                 }
 748         }
 749     }
 750     if (!x11->xv_port) {
 751         if (busy_ports)
 752             mp_tmsg(MSGT_VO, MSGL_ERR,
 753                 "[VO_XV] Could not find free Xvideo port - maybe another process is already\n"\
 754                 "[VO_XV] using it. Close all video applications, and try again. If that does\n"\
 755                 "[VO_XV] not help, see 'mplayer -vo help' for other (non-xv) video out drivers.\n");
 756         else
 757             mp_tmsg(MSGT_VO, MSGL_ERR,
 758                 "[VO_XV] It seems there is no Xvideo support for your video card available.\n"\
 759                 "[VO_XV] Run 'xvinfo' to verify its Xv support and read\n"\
 760                 "[VO_XV] DOCS/HTML/en/video.html#xv!\n"\
 761                 "[VO_XV] See 'mplayer -vo help' for other (non-xv) video out drivers.\n"\
 762                 "[VO_XV] Try -vo x11.\n");
 763         goto error;
 764     }
 765
 766     if (!vo_xv_init_colorkey(vo)) {
 767         goto error;             // bail out, colorkey setup failed
 768     }
 769     vo_xv_enable_vsync(vo);
 770     vo_xv_get_max_img_dim(vo, &ctx->max_width, &ctx->max_height);
 771
 772     ctx->fo = XvListImageFormats(x11->display, x11->xv_port,
 773                                  (int *) &ctx->formats);
 774
 775     mp_input_add_key_fd(vo->input_ctx, ConnectionNumber(x11->display), 1,
 776                         x11_fd_callback, NULL, vo);
 777     ctx->event_fd_registered = 1;
 778     return 0;
 779
 780   error:
 781     uninit(vo);                 // free resources
 782     return -1;
 783 }
 784
 785 static int control(struct vo *vo, uint32_t request, void *data)
 786 {
 787     struct xvctx *ctx = vo->priv;
 788     struct vo_x11_state *x11 = vo->x11;
 789     switch (request) {
 790     case VOCTRL_PAUSE:
 791         return (ctx->is_paused = 1);
 792     case VOCTRL_RESUME:
 793         return (ctx->is_paused = 0);
 794     case VOCTRL_QUERY_FORMAT:
 795         return query_format(ctx, *((uint32_t *) data));
 796     case VOCTRL_GET_IMAGE:
 797         return get_image(ctx, data);
 798     case VOCTRL_DRAW_IMAGE:
 799         return draw_image(vo, data);
 800     case VOCTRL_GET_PANSCAN:
 801         return VO_TRUE;
 802     case VOCTRL_FULLSCREEN:
 803         vo_x11_fullscreen(vo);
 804         /* indended, fallthrough to update panscan on fullscreen/windowed switch */
 805     case VOCTRL_SET_PANSCAN:
 806         resize(vo);
 807         return VO_TRUE;
 808     case VOCTRL_SET_EQUALIZER:
 809         {
 810             struct voctrl_set_equalizer_args *args = data;
 811             return vo_xv_set_eq(vo, x11->xv_port, args->name, args->value);
 812         }
 813     case VOCTRL_GET_EQUALIZER:
 814         {
 815             struct voctrl_get_equalizer_args *args = data;
 816             return vo_xv_get_eq(vo, x11->xv_port, args->name, args->valueptr);
 817         }
 818     case VOCTRL_SET_YUV_COLORSPACE:;
 819         int given_cspc = *(int *)data % 2;
 820         return vo_xv_set_eq(vo, x11->xv_port, "bt_709", given_cspc * 200 - 100);
 821     case VOCTRL_GET_YUV_COLORSPACE:;
 822         int bt709_enabled;
 823         if (!vo_xv_get_eq(vo, x11->xv_port, "bt_709", &bt709_enabled))
 824             return false;
 825         *(int *)data = bt709_enabled == 100;
 826         return true;
 827     case VOCTRL_ONTOP:
 828         vo_x11_ontop(vo);
 829         return VO_TRUE;
 830     case VOCTRL_UPDATE_SCREENINFO:
 831         update_xinerama_info(vo);
 832         return VO_TRUE;
 833     case VOCTRL_REDRAW_OSD:
 834         return redraw_osd(vo, data);
 835     }
 836     return VO_NOTIMPL;
 837 }
 838
 839 const struct vo_driver video_out_xv = {
 840     .is_new = 1,
 841     .info = &info,
 842     .preinit = preinit,
 843     .config = config,
 844     .control = control,
 845     .draw_slice = draw_slice,
 846     .draw_osd = draw_osd,
 847     .flip_page = flip_page,
 848     .check_events = check_events,
 849     .uninit = uninit
 850 };