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 // name to be used instead of the vo's default
  74 char *vo_winname;
  75 // title to be applied to movie window
  76 char *vo_wintitle;
  77
  78 //
  79 // Externally visible list of all vo drivers
  80 //
  81 extern struct vo_driver video_out_mga;
  82 extern struct vo_driver video_out_xmga;
  83 extern struct vo_driver video_out_x11;
  84 extern struct vo_driver video_out_xover;
  85 extern struct vo_driver video_out_xvmc;
  86 extern struct vo_driver video_out_vdpau;
  87 extern struct vo_driver video_out_xv;
  88 extern struct vo_driver video_out_gl_nosw;
  89 extern struct vo_driver video_out_gl;
  90 extern struct vo_driver video_out_gl2;
  91 extern struct vo_driver video_out_matrixview;
  92 extern struct vo_driver video_out_dga;
  93 extern struct vo_driver video_out_sdl;
  94 extern struct vo_driver video_out_3dfx;
  95 extern struct vo_driver video_out_tdfxfb;
  96 extern struct vo_driver video_out_s3fb;
  97 extern struct vo_driver video_out_wii;
  98 extern struct vo_driver video_out_null;
  99 extern struct vo_driver video_out_zr;
 100 extern struct vo_driver video_out_zr2;
 101 extern struct vo_driver video_out_bl;
 102 extern struct vo_driver video_out_fbdev;
 103 extern struct vo_driver video_out_fbdev2;
 104 extern struct vo_driver video_out_svga;
 105 extern struct vo_driver video_out_png;
 106 extern struct vo_driver video_out_ggi;
 107 extern struct vo_driver video_out_aa;
 108 extern struct vo_driver video_out_caca;
 109 extern struct vo_driver video_out_mpegpes;
 110 extern struct vo_driver video_out_yuv4mpeg;
 111 extern struct vo_driver video_out_direct3d;
 112 extern struct vo_driver video_out_directx;
 113 extern struct vo_driver video_out_kva;
 114 extern struct vo_driver video_out_dxr2;
 115 extern struct vo_driver video_out_dxr3;
 116 extern struct vo_driver video_out_ivtv;
 117 extern struct vo_driver video_out_v4l2;
 118 extern struct vo_driver video_out_jpeg;
 119 extern struct vo_driver video_out_gif89a;
 120 extern struct vo_driver video_out_vesa;
 121 extern struct vo_driver video_out_directfb;
 122 extern struct vo_driver video_out_dfbmga;
 123 extern struct vo_driver video_out_xvidix;
 124 extern struct vo_driver video_out_winvidix;
 125 extern struct vo_driver video_out_cvidix;
 126 extern struct vo_driver video_out_tdfx_vid;
 127 extern struct vo_driver video_out_xvr100;
 128 extern struct vo_driver video_out_tga;
 129 extern struct vo_driver video_out_corevideo;
 130 extern struct vo_driver video_out_quartz;
 131 extern struct vo_driver video_out_pnm;
 132 extern struct vo_driver video_out_md5sum;
 133
 134 const struct vo_driver *video_out_drivers[] =
 135 {
 136 #ifdef CONFIG_XVR100
 137         &video_out_xvr100,
 138 #endif
 139 #ifdef CONFIG_TDFX_VID
 140         &video_out_tdfx_vid,
 141 #endif
 142 #ifdef CONFIG_DIRECTX
 143         &video_out_directx,
 144 #endif
 145 #ifdef CONFIG_DIRECT3D
 146         &video_out_direct3d,
 147 #endif
 148 #ifdef CONFIG_KVA
 149         &video_out_kva,
 150 #endif
 151 #ifdef CONFIG_COREVIDEO
 152         &video_out_corevideo,
 153 #endif
 154 #ifdef CONFIG_QUARTZ
 155         &video_out_quartz,
 156 #endif
 157 #ifdef CONFIG_XMGA
 158         &video_out_xmga,
 159 #endif
 160 #ifdef CONFIG_MGA
 161         &video_out_mga,
 162 #endif
 163 #ifdef CONFIG_TDFXFB
 164         &video_out_tdfxfb,
 165 #endif
 166 #ifdef CONFIG_S3FB
 167         &video_out_s3fb,
 168 #endif
 169 #ifdef CONFIG_WII
 170         &video_out_wii,
 171 #endif
 172 #ifdef CONFIG_3DFX
 173         &video_out_3dfx,
 174 #endif
 175 #if CONFIG_VDPAU
 176         &video_out_vdpau,
 177 #endif
 178 #ifdef CONFIG_XV
 179         &video_out_xv,
 180 #endif
 181 #ifdef CONFIG_X11
 182 #ifdef CONFIG_GL
 183         &video_out_gl_nosw,
 184 #endif
 185         &video_out_x11,
 186         &video_out_xover,
 187 #endif
 188 #ifdef CONFIG_SDL
 189         &video_out_sdl,
 190 #endif
 191 #ifdef CONFIG_GL
 192         &video_out_gl,
 193         &video_out_gl2,
 194 #endif
 195 #ifdef CONFIG_DGA
 196         &video_out_dga,
 197 #endif
 198 #ifdef CONFIG_GGI
 199         &video_out_ggi,
 200 #endif
 201 #ifdef CONFIG_FBDEV
 202         &video_out_fbdev,
 203         &video_out_fbdev2,
 204 #endif
 205 #ifdef CONFIG_SVGALIB
 206         &video_out_svga,
 207 #endif
 208 #ifdef CONFIG_MATRIXVIEW
 209         &video_out_matrixview,
 210 #endif
 211 #ifdef CONFIG_AA
 212         &video_out_aa,
 213 #endif
 214 #ifdef CONFIG_CACA
 215         &video_out_caca,
 216 #endif
 217 #ifdef CONFIG_DXR2
 218         &video_out_dxr2,
 219 #endif
 220 #ifdef CONFIG_DXR3
 221         &video_out_dxr3,
 222 #endif
 223 #ifdef CONFIG_IVTV
 224         &video_out_ivtv,
 225 #endif
 226 #ifdef CONFIG_V4L2_DECODER
 227         &video_out_v4l2,
 228 #endif
 229 #ifdef CONFIG_ZR
 230         &video_out_zr,
 231         &video_out_zr2,
 232 #endif
 233 #ifdef CONFIG_BL
 234         &video_out_bl,
 235 #endif
 236 #ifdef CONFIG_VESA
 237         &video_out_vesa,
 238 #endif
 239 #ifdef CONFIG_DFBMGA
 240         &video_out_dfbmga,
 241 #endif
 242 #ifdef CONFIG_VIDIX
 243 #ifdef CONFIG_X11
 244         &video_out_xvidix,
 245 #endif
 246 #if defined(__MINGW32__) || defined(__CYGWIN__)
 247         &video_out_winvidix,
 248 #endif
 249         &video_out_cvidix,
 250 #endif
 251         &video_out_null,
 252         // should not be auto-selected
 253 #ifdef CONFIG_DIRECTFB
 254         // vo directfb can call exit() if initialization fails
 255         &video_out_directfb,
 256 #endif
 257 #if CONFIG_XVMC
 258         &video_out_xvmc,
 259 #endif
 260         &video_out_mpegpes,
 261 #ifdef CONFIG_YUV4MPEG
 262         &video_out_yuv4mpeg,
 263 #endif
 264 #ifdef CONFIG_LIBAVCODEC
 265         &video_out_png,
 266 #endif
 267 #ifdef CONFIG_JPEG
 268         &video_out_jpeg,
 269 #endif
 270 #ifdef CONFIG_GIF
 271         &video_out_gif89a,
 272 #endif
 273 #ifdef CONFIG_TGA
 274         &video_out_tga,
 275 #endif
 276 #ifdef CONFIG_PNM
 277         &video_out_pnm,
 278 #endif
 279 #ifdef CONFIG_MD5SUM
 280         &video_out_md5sum,
 281 #endif
 282         NULL
 283 };
 284
 285
 286 static int vo_preinit(struct vo *vo, const char *arg)
 287 {
 288     return vo->driver->preinit(vo, arg);
 289 }
 290
 291 int vo_control(struct vo *vo, uint32_t request, void *data)
 292 {
 293     return vo->driver->control(vo, request, data);
 294 }
 295
 296 // Return -1 if driver appears not to support a draw_image interface,
 297 // 0 otherwise (whether the driver actually drew something or not).
 298 int vo_draw_image(struct vo *vo, struct mp_image *mpi, double pts)
 299 {
 300     if (!vo->config_ok)
 301         return 0;
 302     if (vo->driver->buffer_frames) {
 303         vo->driver->draw_image(vo, mpi, pts);
 304         return 0;
 305     }
 306     vo->frame_loaded = true;
 307     vo->next_pts = pts;
 308     if (vo_control(vo, VOCTRL_DRAW_IMAGE, mpi) == VO_NOTIMPL)
 309         return -1;
 310     return 0;
 311 }
 312
 313 int vo_get_buffered_frame(struct vo *vo, bool eof)
 314 {
 315     if (!vo->config_ok)
 316         return -1;
 317     if (vo->frame_loaded)
 318         return 0;
 319     if (!vo->driver->buffer_frames)
 320         return -1;
 321     vo->driver->get_buffered_frame(vo, eof);
 322     return vo->frame_loaded ? 0 : -1;
 323 }
 324
 325 int vo_draw_frame(struct vo *vo, uint8_t *src[])
 326 {
 327     assert(!vo->driver->is_new);
 328     if (!vo->config_ok)
 329         return 0;
 330     return old_vo_draw_frame(vo, src);
 331 }
 332
 333 int vo_draw_slice(struct vo *vo, uint8_t *src[], int stride[], int w, int h, int x, int y)
 334 {
 335     return vo->driver->draw_slice(vo, src, stride, w, h, x, y);
 336 }
 337
 338 void vo_draw_osd(struct vo *vo, struct osd_state *osd)
 339 {
 340     if (!vo->config_ok)
 341         return;
 342     vo->driver->draw_osd(vo, osd);
 343 }
 344
 345 void vo_flip_page(struct vo *vo, unsigned int pts_us, int duration)
 346 {
 347     if (!vo->config_ok)
 348         return;
 349     vo->frame_loaded = false;
 350     vo->next_pts = MP_NOPTS_VALUE;
 351     if (vo->driver->flip_page_timed)
 352         vo->driver->flip_page_timed(vo, pts_us, duration);
 353     else
 354         vo->driver->flip_page(vo);
 355 }
 356
 357 void vo_check_events(struct vo *vo)
 358 {
 359     if (!vo->config_ok)
 360         return;
 361     vo->driver->check_events(vo);
 362 }
 363
 364 void vo_seek_reset(struct vo *vo)
 365 {
 366     vo_control(vo, VOCTRL_RESET, NULL);
 367     vo->frame_loaded = false;
 368 }
 369
 370 void vo_destroy(struct vo *vo)
 371 {
 372     vo->driver->uninit(vo);
 373     talloc_free(vo);
 374 }
 375
 376 void list_video_out(void)
 377 {
 378     int i = 0;
 379     mp_tmsg(MSGT_CPLAYER, MSGL_INFO, "Available video output drivers:\n");
 380     mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_VIDEO_OUTPUTS\n");
 381     while (video_out_drivers[i]) {
 382         const vo_info_t *info = video_out_drivers[i++]->info;
 383         mp_msg(MSGT_GLOBAL, MSGL_INFO,"\t%s\t%s\n", info->short_name, info->name);
 384     }
 385     mp_msg(MSGT_GLOBAL, MSGL_INFO,"\n");
 386 }
 387
 388 struct vo *init_best_video_out(struct MPOpts *opts, struct vo_x11_state *x11,
 389                                struct mp_fifo *key_fifo,
 390                                struct input_ctx *input_ctx)
 391 {
 392     char **vo_list = opts->video_driver_list;
 393     int i;
 394     struct vo *vo = talloc_ptrtype(NULL, vo);
 395     struct vo initial_values = {
 396         .opts = opts,
 397         .x11 = x11,
 398         .key_fifo = key_fifo,
 399         .input_ctx = input_ctx,
 400     };
 401     // first try the preferred drivers, with their optional subdevice param:
 402     if (vo_list && vo_list[0])
 403         while (vo_list[0][0]) {
 404             char *name = strdup(vo_list[0]);
 405             vo_subdevice = strchr(name,':');
 406             if (!strcmp(name, "pgm"))
 407                 mp_tmsg(MSGT_CPLAYER, MSGL_ERR, "The pgm video output driver has been replaced by -vo pnm:pgmyuv.\n");
 408             if (!strcmp(name, "md5"))
 409                 mp_tmsg(MSGT_CPLAYER, MSGL_ERR, "The md5 video output driver has been replaced by -vo md5sum.\n");
 410             if (vo_subdevice) {
 411                 vo_subdevice[0] = 0;
 412                 ++vo_subdevice;
 413             }
 414             for (i = 0; video_out_drivers[i]; i++) {
 415                 const struct vo_driver *video_driver = video_out_drivers[i];
 416                 const vo_info_t *info = video_driver->info;
 417                 if (!strcmp(info->short_name, name)) {
 418                     // name matches, try it
 419                     *vo = initial_values;
 420                     vo->driver = video_driver;
 421                     if (!vo_preinit(vo, vo_subdevice)) {
 422                         free(name);
 423                         return vo; // success!
 424                     }
 425                     talloc_free_children(vo);
 426                 }
 427             }
 428             // continue...
 429             free(name);
 430             ++vo_list;
 431             if (!(vo_list[0]))
 432                 return NULL; // do NOT fallback to others
 433         }
 434     // now try the rest...
 435     vo_subdevice = NULL;
 436     for (i = 0; video_out_drivers[i]; i++) {
 437         const struct vo_driver *video_driver = video_out_drivers[i];
 438         *vo = initial_values;
 439         vo->driver = video_driver;
 440         if (!vo_preinit(vo, vo_subdevice))
 441             return vo; // success!
 442         talloc_free_children(vo);
 443     }
 444     free(vo);
 445     return NULL;
 446 }
 447
 448 int vo_config(struct vo *vo, uint32_t width, uint32_t height,
 449                      uint32_t d_width, uint32_t d_height, uint32_t flags,
 450                      char *title, uint32_t format)
 451 {
 452     struct MPOpts *opts = vo->opts;
 453     panscan_init(vo);
 454     aspect_save_orig(vo, width, height);
 455     aspect_save_prescale(vo, d_width, d_height);
 456
 457     if (vo_control(vo, VOCTRL_UPDATE_SCREENINFO, NULL) == VO_TRUE) {
 458         aspect(vo, &d_width, &d_height, A_NOZOOM);
 459         vo->dx = (int)(opts->vo_screenwidth - d_width) / 2;
 460         vo->dy = (int)(opts->vo_screenheight - d_height) / 2;
 461         geometry(&vo->dx, &vo->dy, &d_width, &d_height,
 462                  opts->vo_screenwidth, opts->vo_screenheight);
 463         geometry_xy_changed |= xinerama_screen >= 0;
 464         vo->dx += xinerama_x;
 465         vo->dy += xinerama_y;
 466         vo->dwidth = d_width;
 467         vo->dheight = d_height;
 468     }
 469
 470     int ret = vo->driver->config(vo, width, height, d_width, d_height, flags,
 471                                  title, format);
 472     vo->config_ok = (ret == 0);
 473     vo->config_count += vo->config_ok;
 474     return ret;
 475 }
 476
 477 /**
 478  * \brief lookup an integer in a table, table must have 0 as the last key
 479  * \param key key to search for
 480  * \result translation corresponding to key or "to" value of last mapping
 481  *         if not found.
 482  */
 483 int lookup_keymap_table(const struct mp_keymap *map, int key) {
 484   while (map->from && map->from != key) map++;
 485   return map->to;
 486 }
 487
 488 /**
 489  * \brief helper function for the kind of panscan-scaling that needs a source
 490  *        and destination rectangle like Direct3D and VDPAU
 491  */
 492 static void src_dst_split_scaling(int src_size, int dst_size, int scaled_src_size,
 493                                   int *src_start, int *src_end, int *dst_start, int *dst_end) {
 494   if (scaled_src_size > dst_size) {
 495     int border = src_size * (scaled_src_size - dst_size) / scaled_src_size;
 496     // round to a multiple of 2, this is at least needed for vo_direct3d and ATI cards
 497     border = (border / 2 + 1) & ~1;
 498     *src_start = border;
 499     *src_end   = src_size - border;
 500     *dst_start = 0;
 501     *dst_end   = dst_size;
 502   } else {
 503     *src_start = 0;
 504     *src_end   = src_size;
 505     *dst_start = (dst_size - scaled_src_size) / 2;
 506     *dst_end   = *dst_start + scaled_src_size;
 507   }
 508 }
 509
 510 /**
 511  * Calculate the appropriate source and destination rectangle to
 512  * get a correctly scaled picture, including pan-scan.
 513  * Can be extended to take future cropping support into account.
 514  *
 515  * \param crop specifies the cropping border size in the left, right, top and bottom members, may be NULL
 516  * \param borders the border values as e.g. EOSD (ASS) and properly placed DVD highlight support requires,
 517  *                may be NULL and only left and top are currently valid.
 518  */
 519 void calc_src_dst_rects(struct vo *vo, int src_width, int src_height,
 520                         struct vo_rect *src, struct vo_rect *dst,
 521                         struct vo_rect *borders, const struct vo_rect *crop)
 522 {
 523   static const struct vo_rect no_crop = {0, 0, 0, 0, 0, 0};
 524   int scaled_width  = 0;
 525   int scaled_height = 0;
 526   if (!crop) crop = &no_crop;
 527   src_width  -= crop->left + crop->right;
 528   src_height -= crop->top  + crop->bottom;
 529   if (src_width  < 2) src_width  = 2;
 530   if (src_height < 2) src_height = 2;
 531   dst->left = 0; dst->right  = vo->dwidth;
 532   dst->top  = 0; dst->bottom = vo->dheight;
 533   src->left = 0; src->right  = src_width;
 534   src->top  = 0; src->bottom = src_height;
 535   if (borders) {
 536     borders->left = 0; borders->top = 0;
 537   }
 538   if (aspect_scaling()) {
 539     aspect(vo, &scaled_width, &scaled_height, A_WINZOOM);
 540     panscan_calc_windowed(vo);
 541     scaled_width  += vo->panscan_x;
 542     scaled_height += vo->panscan_y;
 543     if (borders) {
 544       borders->left = (vo->dwidth  - scaled_width ) / 2;
 545       borders->top  = (vo->dheight - scaled_height) / 2;
 546     }
 547     src_dst_split_scaling(src_width, vo->dwidth, scaled_width,
 548                           &src->left, &src->right, &dst->left, &dst->right);
 549     src_dst_split_scaling(src_height, vo->dheight, scaled_height,
 550                           &src->top, &src->bottom, &dst->top, &dst->bottom);
 551   }
 552   src->left += crop->left; src->right  += crop->left;
 553   src->top  += crop->top;  src->bottom += crop->top;
 554   src->width  = src->right  - src->left;
 555   src->height = src->bottom - src->top;
 556   dst->width  = dst->right  - dst->left;
 557   dst->height = dst->bottom - dst->top;
 558 }
 559
 560 /**
 561  * Generates a mouse movement message if those are enable and sends it
 562  * to the "main" MPlayer.
 563  *
 564  * \param posx new x position of mouse
 565  * \param posy new y position of mouse
 566  */
 567 void vo_mouse_movement(struct vo *vo, int posx, int posy)
 568 {
 569   char cmd_str[40];
 570   if (!enable_mouse_movements)
 571     return;
 572   snprintf(cmd_str, sizeof(cmd_str), "set_mouse_pos %i %i", posx, posy);
 573   mp_input_queue_cmd(vo->input_ctx, mp_input_parse_cmd(cmd_str));
 574 }
 575
 576 #if defined(CONFIG_FBDEV) || defined(CONFIG_VESA)
 577 /* Borrowed from vo_fbdev.c
 578 Monitor ranges related functions*/
 579
 580 char *monitor_hfreq_str = NULL;
 581 char *monitor_vfreq_str = NULL;
 582 char *monitor_dotclock_str = NULL;
 583
 584 float range_max(range_t *r)
 585 {
 586 float max = 0;
 587
 588         for (/* NOTHING */; (r->min != -1 && r->max != -1); r++)
 589                 if (max < r->max) max = r->max;
 590         return max;
 591 }
 592
 593
 594 int in_range(range_t *r, float f)
 595 {
 596         for (/* NOTHING */; (r->min != -1 && r->max != -1); r++)
 597                 if (f >= r->min && f <= r->max)
 598                         return 1;
 599         return 0;
 600 }
 601
 602 range_t *str2range(char *s)
 603 {
 604         float tmp_min, tmp_max;
 605         char *endptr = s;       // to start the loop
 606         range_t *r = NULL;
 607         int i;
 608
 609         if (!s)
 610                 return NULL;
 611         for (i = 0; *endptr; i++) {
 612                 if (*s == ',')
 613                         goto out_err;
 614                 if (!(r = realloc(r, sizeof(*r) * (i + 2)))) {
 615                         mp_msg(MSGT_GLOBAL, MSGL_WARN,"can't realloc 'r'\n");
 616                         return NULL;
 617                 }
 618                 tmp_min = strtod(s, &endptr);
 619                 if (*endptr == 'k' || *endptr == 'K') {
 620                         tmp_min *= 1000.0;
 621                         endptr++;
 622                 } else if (*endptr == 'm' || *endptr == 'M') {
 623                         tmp_min *= 1000000.0;
 624                         endptr++;
 625                 }
 626                 if (*endptr == '-') {
 627                         tmp_max = strtod(endptr + 1, &endptr);
 628                         if (*endptr == 'k' || *endptr == 'K') {
 629                                 tmp_max *= 1000.0;
 630                                 endptr++;
 631                         } else if (*endptr == 'm' || *endptr == 'M') {
 632                                 tmp_max *= 1000000.0;
 633                                 endptr++;
 634                         }
 635                         if (*endptr != ',' && *endptr)
 636                                 goto out_err;
 637                 } else if (*endptr == ',' || !*endptr) {
 638                         tmp_max = tmp_min;
 639                 } else
 640                         goto out_err;
 641                 r[i].min = tmp_min;
 642                 r[i].max = tmp_max;
 643                 if (r[i].min < 0 || r[i].max < 0)
 644                         goto out_err;
 645                 s = endptr + 1;
 646         }
 647         r[i].min = r[i].max = -1;
 648         return r;
 649 out_err:
 650         if (r)
 651                 free(r);
 652         return NULL;
 653 }
 654
 655 /* Borrowed from vo_fbdev.c END */
 656 #endif