libvo/video_out.c

   1 /*
   2  * libvo common functions, variables used by many/all drivers.
   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 <assert.h>
  25 #include <stdbool.h>
  26
  27 #include <unistd.h>
  28 //#include <sys/mman.h>
  29
  30 #include "config.h"
  31 #include "options.h"
  32 #include "talloc.h"
  33 #include "video_out.h"
  34 #include "aspect.h"
  35 #include "geometry.h"
  36 #include "old_vo_wrapper.h"
  37 #include "input/input.h"
  38
  39 #include "mp_msg.h"
  40
  41 #include "osdep/shmem.h"
  42 #ifdef CONFIG_X11
  43 #include "x11_common.h"
  44 #endif
  45
  46 int xinerama_screen = -1;
  47 int xinerama_x;
  48 int xinerama_y;
  49
  50 int vo_nomouse_input = 0;
  51 int vo_grabpointer = 1;
  52 int vo_doublebuffering = 1;
  53 int vo_vsync = 0;
  54 int vo_fs = 0;
  55 int vo_fsmode = 0;
  56 float vo_panscan = 0.0f;
  57 int vo_adapter_num=0;
  58 int vo_refresh_rate=0;
  59 int vo_keepaspect=1;
  60 int vo_rootwin=0;
  61 int vo_border=1;
  62 int64_t WinID = -1;
  63
  64 int vo_pts=0; // for hw decoding
  65 float vo_fps=0;
  66
  67 char *vo_subdevice = NULL;
  68 int vo_directrendering=0;
  69
  70 int vo_colorkey = 0x0000ff00; // default colorkey is green
  71                               // (0xff000000 means that colorkey has been disabled)
  72
  73
  74 //
  75 // Externally visible list of all vo drivers
  76 //
  77 extern struct vo_driver video_out_mga;
  78 extern struct vo_driver video_out_xmga;
  79 extern struct vo_driver video_out_x11;
  80 extern struct vo_driver video_out_xover;
  81 extern struct vo_driver video_out_xvmc;
  82 extern struct vo_driver video_out_vdpau;
  83 extern struct vo_driver video_out_xv;
  84 extern struct vo_driver video_out_gl_nosw;
  85 extern struct vo_driver video_out_gl;
  86 extern struct vo_driver video_out_gl2;
  87 extern struct vo_driver video_out_matrixview;
  88 extern struct vo_driver video_out_dga;
  89 extern struct vo_driver video_out_sdl;
  90 extern struct vo_driver video_out_3dfx;
  91 extern struct vo_driver video_out_tdfxfb;
  92 extern struct vo_driver video_out_s3fb;
  93 extern struct vo_driver video_out_wii;
  94 extern struct vo_driver video_out_null;
  95 extern struct vo_driver video_out_zr;
  96 extern struct vo_driver video_out_zr2;
  97 extern struct vo_driver video_out_bl;
  98 extern struct vo_driver video_out_fbdev;
  99 extern struct vo_driver video_out_fbdev2;
 100 extern struct vo_driver video_out_svga;
 101 extern struct vo_driver video_out_png;
 102 extern struct vo_driver video_out_ggi;
 103 extern struct vo_driver video_out_aa;
 104 extern struct vo_driver video_out_caca;
 105 extern struct vo_driver video_out_mpegpes;
 106 extern struct vo_driver video_out_yuv4mpeg;
 107 extern struct vo_driver video_out_direct3d;
 108 extern struct vo_driver video_out_directx;
 109 extern struct vo_driver video_out_kva;
 110 extern struct vo_driver video_out_dxr2;
 111 extern struct vo_driver video_out_dxr3;
 112 extern struct vo_driver video_out_ivtv;
 113 extern struct vo_driver video_out_v4l2;
 114 extern struct vo_driver video_out_jpeg;
 115 extern struct vo_driver video_out_gif89a;
 116 extern struct vo_driver video_out_vesa;
 117 extern struct vo_driver video_out_directfb;
 118 extern struct vo_driver video_out_dfbmga;
 119 extern struct vo_driver video_out_xvidix;
 120 extern struct vo_driver video_out_winvidix;
 121 extern struct vo_driver video_out_cvidix;
 122 extern struct vo_driver video_out_tdfx_vid;
 123 extern struct vo_driver video_out_xvr100;
 124 extern struct vo_driver video_out_tga;
 125 extern struct vo_driver video_out_corevideo;
 126 extern struct vo_driver video_out_quartz;
 127 extern struct vo_driver video_out_pnm;
 128 extern struct vo_driver video_out_md5sum;
 129
 130 const struct vo_driver *video_out_drivers[] =
 131 {
 132 #ifdef CONFIG_XVR100
 133         &video_out_xvr100,
 134 #endif
 135 #ifdef CONFIG_TDFX_VID
 136         &video_out_tdfx_vid,
 137 #endif
 138 #ifdef CONFIG_DIRECTX
 139         &video_out_directx,
 140 #endif
 141 #ifdef CONFIG_DIRECT3D
 142         &video_out_direct3d,
 143 #endif
 144 #ifdef CONFIG_KVA
 145         &video_out_kva,
 146 #endif
 147 #ifdef CONFIG_COREVIDEO
 148         &video_out_corevideo,
 149 #endif
 150 #ifdef CONFIG_QUARTZ
 151         &video_out_quartz,
 152 #endif
 153 #ifdef CONFIG_XMGA
 154         &video_out_xmga,
 155 #endif
 156 #ifdef CONFIG_MGA
 157         &video_out_mga,
 158 #endif
 159 #ifdef CONFIG_TDFXFB
 160         &video_out_tdfxfb,
 161 #endif
 162 #ifdef CONFIG_S3FB
 163         &video_out_s3fb,
 164 #endif
 165 #ifdef CONFIG_WII
 166         &video_out_wii,
 167 #endif
 168 #ifdef CONFIG_3DFX
 169         &video_out_3dfx,
 170 #endif
 171 #if CONFIG_VDPAU
 172         &video_out_vdpau,
 173 #endif
 174 #ifdef CONFIG_XV
 175         &video_out_xv,
 176 #endif
 177 #ifdef CONFIG_X11
 178 #ifdef CONFIG_GL
 179         &video_out_gl_nosw,
 180 #endif
 181         &video_out_x11,
 182         &video_out_xover,
 183 #endif
 184 #ifdef CONFIG_SDL
 185         &video_out_sdl,
 186 #endif
 187 #ifdef CONFIG_GL
 188         &video_out_gl,
 189         &video_out_gl2,
 190 #endif
 191 #ifdef CONFIG_DGA
 192         &video_out_dga,
 193 #endif
 194 #ifdef CONFIG_GGI
 195         &video_out_ggi,
 196 #endif
 197 #ifdef CONFIG_FBDEV
 198         &video_out_fbdev,
 199         &video_out_fbdev2,
 200 #endif
 201 #ifdef CONFIG_SVGALIB
 202         &video_out_svga,
 203 #endif
 204 #ifdef CONFIG_MATRIXVIEW
 205         &video_out_matrixview,
 206 #endif
 207 #ifdef CONFIG_AA
 208         &video_out_aa,
 209 #endif
 210 #ifdef CONFIG_CACA
 211         &video_out_caca,
 212 #endif
 213 #ifdef CONFIG_DXR2
 214         &video_out_dxr2,
 215 #endif
 216 #ifdef CONFIG_DXR3
 217         &video_out_dxr3,
 218 #endif
 219 #ifdef CONFIG_IVTV
 220         &video_out_ivtv,
 221 #endif
 222 #ifdef CONFIG_V4L2_DECODER
 223         &video_out_v4l2,
 224 #endif
 225 #ifdef CONFIG_ZR
 226         &video_out_zr,
 227         &video_out_zr2,
 228 #endif
 229 #ifdef CONFIG_BL
 230         &video_out_bl,
 231 #endif
 232 #ifdef CONFIG_VESA
 233         &video_out_vesa,
 234 #endif
 235 #ifdef CONFIG_DIRECTFB
 236         &video_out_dfbmga,
 237 #endif
 238 #ifdef CONFIG_VIDIX
 239 #ifdef CONFIG_X11
 240         &video_out_xvidix,
 241 #endif
 242 #if defined(__MINGW32__) || defined(__CYGWIN__)
 243         &video_out_winvidix,
 244 #endif
 245         &video_out_cvidix,
 246 #endif
 247         &video_out_null,
 248         // should not be auto-selected
 249 #ifdef CONFIG_DIRECTFB
 250         // vo directfb can call exit() if initialization fails
 251         &video_out_directfb,
 252 #endif
 253 #if CONFIG_XVMC
 254         &video_out_xvmc,
 255 #endif
 256         &video_out_mpegpes,
 257 #ifdef CONFIG_YUV4MPEG
 258         &video_out_yuv4mpeg,
 259 #endif
 260 #ifdef CONFIG_FFMPEG
 261         &video_out_png,
 262 #endif
 263 #ifdef CONFIG_JPEG
 264         &video_out_jpeg,
 265 #endif
 266 #ifdef CONFIG_GIF
 267         &video_out_gif89a,
 268 #endif
 269 #ifdef CONFIG_TGA
 270         &video_out_tga,
 271 #endif
 272 #ifdef CONFIG_PNM
 273         &video_out_pnm,
 274 #endif
 275 #ifdef CONFIG_MD5SUM
 276         &video_out_md5sum,
 277 #endif
 278         NULL
 279 };
 280
 281
 282 static int vo_preinit(struct vo *vo, const char *arg)
 283 {
 284     return vo->driver->preinit(vo, arg);
 285 }
 286
 287 int vo_control(struct vo *vo, uint32_t request, void *data)
 288 {
 289     return vo->driver->control(vo, request, data);
 290 }
 291
 292 // Return -1 if driver appears not to support a draw_image interface,
 293 // 0 otherwise (whether the driver actually drew something or not).
 294 int vo_draw_image(struct vo *vo, struct mp_image *mpi, double pts)
 295 {
 296     if (!vo->config_ok)
 297         return 0;
 298     if (vo->driver->buffer_frames) {
 299         vo->driver->draw_image(vo, mpi, pts);
 300         return 0;
 301     }
 302     vo->frame_loaded = true;
 303     vo->next_pts = pts;
 304     if (vo_control(vo, VOCTRL_DRAW_IMAGE, mpi) == VO_NOTIMPL)
 305         return -1;
 306     return 0;
 307 }
 308
 309 int vo_get_buffered_frame(struct vo *vo, bool eof)
 310 {
 311     if (!vo->config_ok)
 312         return -1;
 313     if (vo->frame_loaded)
 314         return 0;
 315     if (!vo->driver->buffer_frames)
 316         return -1;
 317     vo->driver->get_buffered_frame(vo, eof);
 318     return vo->frame_loaded ? 0 : -1;
 319 }
 320
 321 int vo_draw_frame(struct vo *vo, uint8_t *src[])
 322 {
 323     assert(!vo->driver->is_new);
 324     if (!vo->config_ok)
 325         return 0;
 326     return old_vo_draw_frame(vo, src);
 327 }
 328
 329 int vo_draw_slice(struct vo *vo, uint8_t *src[], int stride[], int w, int h, int x, int y)
 330 {
 331     return vo->driver->draw_slice(vo, src, stride, w, h, x, y);
 332 }
 333
 334 void vo_draw_osd(struct vo *vo, struct osd_state *osd)
 335 {
 336     if (!vo->config_ok)
 337         return;
 338     vo->driver->draw_osd(vo, osd);
 339 }
 340
 341 void vo_flip_page(struct vo *vo, unsigned int pts_us, int duration)
 342 {
 343     if (!vo->config_ok)
 344         return;
 345     vo->frame_loaded = false;
 346     vo->next_pts = MP_NOPTS_VALUE;
 347     if (vo->driver->flip_page_timed)
 348         vo->driver->flip_page_timed(vo, pts_us, duration);
 349     else
 350         vo->driver->flip_page(vo);
 351 }
 352
 353 void vo_check_events(struct vo *vo)
 354 {
 355     if (!vo->config_ok)
 356         return;
 357     vo->driver->check_events(vo);
 358 }
 359
 360 void vo_seek_reset(struct vo *vo)
 361 {
 362     vo_control(vo, VOCTRL_RESET, NULL);
 363     vo->frame_loaded = false;
 364 }
 365
 366 void vo_destroy(struct vo *vo)
 367 {
 368     vo->driver->uninit(vo);
 369     talloc_free(vo);
 370 }
 371
 372 void list_video_out(void)
 373 {
 374     int i = 0;
 375     mp_tmsg(MSGT_CPLAYER, MSGL_INFO, "Available video output drivers:\n");
 376     mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_VIDEO_OUTPUTS\n");
 377     while (video_out_drivers[i]) {
 378         const vo_info_t *info = video_out_drivers[i++]->info;
 379         mp_msg(MSGT_GLOBAL, MSGL_INFO,"\t%s\t%s\n", info->short_name, info->name);
 380     }
 381     mp_msg(MSGT_GLOBAL, MSGL_INFO,"\n");
 382 }
 383
 384 struct vo *init_best_video_out(struct MPOpts *opts, struct vo_x11_state *x11,
 385                                struct mp_fifo *key_fifo,
 386                                struct input_ctx *input_ctx)
 387 {
 388     char **vo_list = opts->video_driver_list;
 389     int i;
 390     struct vo *vo = talloc_ptrtype(NULL, vo);
 391     struct vo initial_values = {
 392         .opts = opts,
 393         .x11 = x11,
 394         .key_fifo = key_fifo,
 395         .input_ctx = input_ctx,
 396     };
 397     // first try the preferred drivers, with their optional subdevice param:
 398     if (vo_list && vo_list[0])
 399         while (vo_list[0][0]) {
 400             char *name = strdup(vo_list[0]);
 401             vo_subdevice = strchr(name,':');
 402             if (!strcmp(name, "pgm"))
 403                 mp_tmsg(MSGT_CPLAYER, MSGL_ERR, "The pgm video output driver has been replaced by -vo pnm:pgmyuv.\n");
 404             if (!strcmp(name, "md5"))
 405                 mp_tmsg(MSGT_CPLAYER, MSGL_ERR, "The md5 video output driver has been replaced by -vo md5sum.\n");
 406             if (vo_subdevice) {
 407                 vo_subdevice[0] = 0;
 408                 ++vo_subdevice;
 409             }
 410             for (i = 0; video_out_drivers[i]; i++) {
 411                 const struct vo_driver *video_driver = video_out_drivers[i];
 412                 const vo_info_t *info = video_driver->info;
 413                 if (!strcmp(info->short_name, name)) {
 414                     // name matches, try it
 415                     *vo = initial_values;
 416                     vo->driver = video_driver;
 417                     if (!vo_preinit(vo, vo_subdevice)) {
 418                         free(name);
 419                         return vo; // success!
 420                     }
 421                     talloc_free_children(vo);
 422                 }
 423             }
 424             // continue...
 425             free(name);
 426             ++vo_list;
 427             if (!(vo_list[0]))
 428                 return NULL; // do NOT fallback to others
 429         }
 430     // now try the rest...
 431     vo_subdevice = NULL;
 432     for (i = 0; video_out_drivers[i]; i++) {
 433         const struct vo_driver *video_driver = video_out_drivers[i];
 434         *vo = initial_values;
 435         vo->driver = video_driver;
 436         if (!vo_preinit(vo, vo_subdevice))
 437             return vo; // success!
 438         talloc_free_children(vo);
 439     }
 440     free(vo);
 441     return NULL;
 442 }
 443
 444 int vo_config(struct vo *vo, uint32_t width, uint32_t height,
 445                      uint32_t d_width, uint32_t d_height, uint32_t flags,
 446                      char *title, uint32_t format)
 447 {
 448     struct MPOpts *opts = vo->opts;
 449     panscan_init(vo);
 450     aspect_save_orig(vo, width, height);
 451     aspect_save_prescale(vo, d_width, d_height);
 452
 453     if (vo_control(vo, VOCTRL_UPDATE_SCREENINFO, NULL) == VO_TRUE) {
 454         aspect(vo, &d_width, &d_height, A_NOZOOM);
 455         vo->dx = (int)(opts->vo_screenwidth - d_width) / 2;
 456         vo->dy = (int)(opts->vo_screenheight - d_height) / 2;
 457         geometry(&vo->dx, &vo->dy, &d_width, &d_height,
 458                  opts->vo_screenwidth, opts->vo_screenheight);
 459         geometry_xy_changed |= xinerama_screen >= 0;
 460         vo->dx += xinerama_x;
 461         vo->dy += xinerama_y;
 462         vo->dwidth = d_width;
 463         vo->dheight = d_height;
 464     }
 465
 466     int ret = vo->driver->config(vo, width, height, d_width, d_height, flags,
 467                                  title, format);
 468     vo->config_ok = (ret == 0);
 469     vo->config_count += vo->config_ok;
 470     return ret;
 471 }
 472
 473 /**
 474  * \brief lookup an integer in a table, table must have 0 as the last key
 475  * \param key key to search for
 476  * \result translation corresponding to key or "to" value of last mapping
 477  *         if not found.
 478  */
 479 int lookup_keymap_table(const struct mp_keymap *map, int key) {
 480   while (map->from && map->from != key) map++;
 481   return map->to;
 482 }
 483
 484 /**
 485  * \brief helper function for the kind of panscan-scaling that needs a source
 486  *        and destination rectangle like Direct3D and VDPAU
 487  */
 488 static void src_dst_split_scaling(int src_size, int dst_size, int scaled_src_size,
 489                                   int *src_start, int *src_end, int *dst_start, int *dst_end) {
 490   if (scaled_src_size > dst_size) {
 491     int border = src_size * (scaled_src_size - dst_size) / scaled_src_size;
 492     // round to a multiple of 2, this is at least needed for vo_direct3d and ATI cards
 493     border = (border / 2 + 1) & ~1;
 494     *src_start = border;
 495     *src_end   = src_size - border;
 496     *dst_start = 0;
 497     *dst_end   = dst_size;
 498   } else {
 499     *src_start = 0;
 500     *src_end   = src_size;
 501     *dst_start = (dst_size - scaled_src_size) / 2;
 502     *dst_end   = *dst_start + scaled_src_size;
 503   }
 504 }
 505
 506 /**
 507  * Calculate the appropriate source and destination rectangle to
 508  * get a correctly scaled picture, including pan-scan.
 509  * Can be extended to take future cropping support into account.
 510  *
 511  * \param crop specifies the cropping border size in the left, right, top and bottom members, may be NULL
 512  * \param borders the border values as e.g. EOSD (ASS) and properly placed DVD highlight support requires,
 513  *                may be NULL and only left and top are currently valid.
 514  */
 515 void calc_src_dst_rects(struct vo *vo, int src_width, int src_height,
 516                         struct vo_rect *src, struct vo_rect *dst,
 517                         struct vo_rect *borders, const struct vo_rect *crop)
 518 {
 519   static const struct vo_rect no_crop = {0, 0, 0, 0, 0, 0};
 520   int scaled_width  = 0;
 521   int scaled_height = 0;
 522   if (!crop) crop = &no_crop;
 523   src_width  -= crop->left + crop->right;
 524   src_height -= crop->top  + crop->bottom;
 525   if (src_width  < 2) src_width  = 2;
 526   if (src_height < 2) src_height = 2;
 527   dst->left = 0; dst->right  = vo->dwidth;
 528   dst->top  = 0; dst->bottom = vo->dheight;
 529   src->left = 0; src->right  = src_width;
 530   src->top  = 0; src->bottom = src_height;
 531   if (borders) {
 532     borders->left = 0; borders->top = 0;
 533   }
 534   if (aspect_scaling()) {
 535     aspect(vo, &scaled_width, &scaled_height, A_WINZOOM);
 536     panscan_calc_windowed(vo);
 537     scaled_width  += vo->panscan_x;
 538     scaled_height += vo->panscan_y;
 539     if (borders) {
 540       borders->left = (vo->dwidth  - scaled_width ) / 2;
 541       borders->top  = (vo->dheight - scaled_height) / 2;
 542     }
 543     src_dst_split_scaling(src_width, vo->dwidth, scaled_width,
 544                           &src->left, &src->right, &dst->left, &dst->right);
 545     src_dst_split_scaling(src_height, vo->dheight, scaled_height,
 546                           &src->top, &src->bottom, &dst->top, &dst->bottom);
 547   }
 548   src->left += crop->left; src->right  += crop->left;
 549   src->top  += crop->top;  src->bottom += crop->top;
 550   src->width  = src->right  - src->left;
 551   src->height = src->bottom - src->top;
 552   dst->width  = dst->right  - dst->left;
 553   dst->height = dst->bottom - dst->top;
 554 }
 555
 556 /**
 557  * Generates a mouse movement message if those are enable and sends it
 558  * to the "main" MPlayer.
 559  *
 560  * \param posx new x position of mouse
 561  * \param posy new y position of mouse
 562  */
 563 void vo_mouse_movement(struct vo *vo, int posx, int posy)
 564 {
 565   char cmd_str[40];
 566   if (!enable_mouse_movements)
 567     return;
 568   snprintf(cmd_str, sizeof(cmd_str), "set_mouse_pos %i %i", posx, posy);
 569   mp_input_queue_cmd(vo->input_ctx, mp_input_parse_cmd(cmd_str));
 570 }
 571
 572 #if defined(CONFIG_FBDEV) || defined(CONFIG_VESA)
 573 /* Borrowed from vo_fbdev.c
 574 Monitor ranges related functions*/
 575
 576 char *monitor_hfreq_str = NULL;
 577 char *monitor_vfreq_str = NULL;
 578 char *monitor_dotclock_str = NULL;
 579
 580 float range_max(range_t *r)
 581 {
 582 float max = 0;
 583
 584         for (/* NOTHING */; (r->min != -1 && r->max != -1); r++)
 585                 if (max < r->max) max = r->max;
 586         return max;
 587 }
 588
 589
 590 int in_range(range_t *r, float f)
 591 {
 592         for (/* NOTHING */; (r->min != -1 && r->max != -1); r++)
 593                 if (f >= r->min && f <= r->max)
 594                         return 1;
 595         return 0;
 596 }
 597
 598 range_t *str2range(char *s)
 599 {
 600         float tmp_min, tmp_max;
 601         char *endptr = s;       // to start the loop
 602         range_t *r = NULL;
 603         int i;
 604
 605         if (!s)
 606                 return NULL;
 607         for (i = 0; *endptr; i++) {
 608                 if (*s == ',')
 609                         goto out_err;
 610                 if (!(r = realloc(r, sizeof(*r) * (i + 2)))) {
 611                         mp_msg(MSGT_GLOBAL, MSGL_WARN,"can't realloc 'r'\n");
 612                         return NULL;
 613                 }
 614                 tmp_min = strtod(s, &endptr);
 615                 if (*endptr == 'k' || *endptr == 'K') {
 616                         tmp_min *= 1000.0;
 617                         endptr++;
 618                 } else if (*endptr == 'm' || *endptr == 'M') {
 619                         tmp_min *= 1000000.0;
 620                         endptr++;
 621                 }
 622                 if (*endptr == '-') {
 623                         tmp_max = strtod(endptr + 1, &endptr);
 624                         if (*endptr == 'k' || *endptr == 'K') {
 625                                 tmp_max *= 1000.0;
 626                                 endptr++;
 627                         } else if (*endptr == 'm' || *endptr == 'M') {
 628                                 tmp_max *= 1000000.0;
 629                                 endptr++;
 630                         }
 631                         if (*endptr != ',' && *endptr)
 632                                 goto out_err;
 633                 } else if (*endptr == ',' || !*endptr) {
 634                         tmp_max = tmp_min;
 635                 } else
 636                         goto out_err;
 637                 r[i].min = tmp_min;
 638                 r[i].max = tmp_max;
 639                 if (r[i].min < 0 || r[i].max < 0)
 640                         goto out_err;
 641                 s = endptr + 1;
 642         }
 643         r[i].min = r[i].max = -1;
 644         return r;
 645 out_err:
 646         if (r)
 647                 free(r);
 648         return NULL;
 649 }
 650
 651 /* Borrowed from vo_fbdev.c END */
 652 #endif