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
  38 #include "mp_msg.h"
  39
  40 #include "osdep/shmem.h"
  41 #ifdef CONFIG_X11
  42 #include "x11_common.h"
  43 #endif
  44 #ifdef CONFIG_GL_WIN32
  45 #include <windows.h>
  46 #endif
  47
  48 int xinerama_screen = -1;
  49 int xinerama_x;
  50 int xinerama_y;
  51
  52 int vo_nomouse_input = 0;
  53 int vo_grabpointer = 1;
  54 int vo_doublebuffering = 1;
  55 int vo_vsync = 0;
  56 int vo_fs = 0;
  57 int vo_fsmode = 0;
  58 float vo_panscan = 0.0f;
  59 int vo_adapter_num=0;
  60 int vo_refresh_rate=0;
  61 int vo_keepaspect=1;
  62 int vo_rootwin=0;
  63 int vo_border=1;
  64 int64_t WinID = -1;
  65
  66 int vo_pts=0; // for hw decoding
  67 float vo_fps=0;
  68
  69 char *vo_subdevice = NULL;
  70 int vo_directrendering=0;
  71
  72 int vo_colorkey = 0x0000ff00; // default colorkey is green
  73                               // (0xff000000 means that colorkey has been disabled)
  74
  75 // name to be used instead of the vo's default
  76 char *vo_winname;
  77 // title to be applied to movie window
  78 char *vo_wintitle;
  79
  80 //
  81 // Externally visible list of all vo drivers
  82 //
  83 extern struct vo_driver video_out_mga;
  84 extern struct vo_driver video_out_xmga;
  85 extern struct vo_driver video_out_x11;
  86 extern struct vo_driver video_out_xover;
  87 extern struct vo_driver video_out_xvmc;
  88 extern struct vo_driver video_out_vdpau;
  89 extern struct vo_driver video_out_xv;
  90 extern struct vo_driver video_out_gl_nosw;
  91 extern struct vo_driver video_out_gl;
  92 extern struct vo_driver video_out_gl2;
  93 extern struct vo_driver video_out_matrixview;
  94 extern struct vo_driver video_out_dga;
  95 extern struct vo_driver video_out_sdl;
  96 extern struct vo_driver video_out_3dfx;
  97 extern struct vo_driver video_out_tdfxfb;
  98 extern struct vo_driver video_out_s3fb;
  99 extern struct vo_driver video_out_wii;
 100 extern struct vo_driver video_out_null;
 101 extern struct vo_driver video_out_zr;
 102 extern struct vo_driver video_out_zr2;
 103 extern struct vo_driver video_out_bl;
 104 extern struct vo_driver video_out_fbdev;
 105 extern struct vo_driver video_out_fbdev2;
 106 extern struct vo_driver video_out_svga;
 107 extern struct vo_driver video_out_png;
 108 extern struct vo_driver video_out_ggi;
 109 extern struct vo_driver video_out_aa;
 110 extern struct vo_driver video_out_caca;
 111 extern struct vo_driver video_out_mpegpes;
 112 extern struct vo_driver video_out_yuv4mpeg;
 113 extern struct vo_driver video_out_direct3d;
 114 extern struct vo_driver video_out_directx;
 115 extern struct vo_driver video_out_kva;
 116 extern struct vo_driver video_out_dxr2;
 117 extern struct vo_driver video_out_dxr3;
 118 extern struct vo_driver video_out_ivtv;
 119 extern struct vo_driver video_out_v4l2;
 120 extern struct vo_driver video_out_jpeg;
 121 extern struct vo_driver video_out_gif89a;
 122 extern struct vo_driver video_out_vesa;
 123 extern struct vo_driver video_out_directfb;
 124 extern struct vo_driver video_out_dfbmga;
 125 extern struct vo_driver video_out_xvidix;
 126 extern struct vo_driver video_out_winvidix;
 127 extern struct vo_driver video_out_cvidix;
 128 extern struct vo_driver video_out_tdfx_vid;
 129 extern struct vo_driver video_out_xvr100;
 130 extern struct vo_driver video_out_tga;
 131 extern struct vo_driver video_out_corevideo;
 132 extern struct vo_driver video_out_quartz;
 133 extern struct vo_driver video_out_pnm;
 134 extern struct vo_driver video_out_md5sum;
 135
 136 const struct vo_driver *video_out_drivers[] =
 137 {
 138 #ifdef CONFIG_XVR100
 139         &video_out_xvr100,
 140 #endif
 141 #ifdef CONFIG_TDFX_VID
 142         &video_out_tdfx_vid,
 143 #endif
 144 #ifdef CONFIG_DIRECTX
 145         &video_out_directx,
 146 #endif
 147 #ifdef CONFIG_DIRECT3D
 148         &video_out_direct3d,
 149 #endif
 150 #ifdef CONFIG_KVA
 151         &video_out_kva,
 152 #endif
 153 #ifdef CONFIG_COREVIDEO
 154         &video_out_corevideo,
 155 #endif
 156 #ifdef CONFIG_QUARTZ
 157         &video_out_quartz,
 158 #endif
 159 #ifdef CONFIG_XMGA
 160         &video_out_xmga,
 161 #endif
 162 #ifdef CONFIG_MGA
 163         &video_out_mga,
 164 #endif
 165 #ifdef CONFIG_TDFXFB
 166         &video_out_tdfxfb,
 167 #endif
 168 #ifdef CONFIG_S3FB
 169         &video_out_s3fb,
 170 #endif
 171 #ifdef CONFIG_WII
 172         &video_out_wii,
 173 #endif
 174 #ifdef CONFIG_3DFX
 175         &video_out_3dfx,
 176 #endif
 177 #if CONFIG_VDPAU
 178         &video_out_vdpau,
 179 #endif
 180 #ifdef CONFIG_XV
 181         &video_out_xv,
 182 #endif
 183 #ifdef CONFIG_X11
 184 #ifdef CONFIG_GL
 185         &video_out_gl_nosw,
 186 #endif
 187         &video_out_x11,
 188         &video_out_xover,
 189 #endif
 190 #ifdef CONFIG_GL
 191         &video_out_gl,
 192         &video_out_gl2,
 193 #endif
 194 #ifdef CONFIG_DGA
 195         &video_out_dga,
 196 #endif
 197 #ifdef CONFIG_SDL
 198         &video_out_sdl,
 199 #endif
 200 #ifdef CONFIG_GGI
 201         &video_out_ggi,
 202 #endif
 203 #ifdef CONFIG_FBDEV
 204         &video_out_fbdev,
 205         &video_out_fbdev2,
 206 #endif
 207 #ifdef CONFIG_SVGALIB
 208         &video_out_svga,
 209 #endif
 210 #ifdef CONFIG_MATRIXVIEW
 211         &video_out_matrixview,
 212 #endif
 213 #ifdef CONFIG_AA
 214         &video_out_aa,
 215 #endif
 216 #ifdef CONFIG_CACA
 217         &video_out_caca,
 218 #endif
 219 #ifdef CONFIG_DXR2
 220         &video_out_dxr2,
 221 #endif
 222 #ifdef CONFIG_DXR3
 223         &video_out_dxr3,
 224 #endif
 225 #ifdef CONFIG_IVTV
 226         &video_out_ivtv,
 227 #endif
 228 #ifdef CONFIG_V4L2_DECODER
 229         &video_out_v4l2,
 230 #endif
 231 #ifdef CONFIG_ZR
 232         &video_out_zr,
 233         &video_out_zr2,
 234 #endif
 235 #ifdef CONFIG_BL
 236         &video_out_bl,
 237 #endif
 238 #ifdef CONFIG_VESA
 239         &video_out_vesa,
 240 #endif
 241 #ifdef CONFIG_DFBMGA
 242         &video_out_dfbmga,
 243 #endif
 244 #ifdef CONFIG_VIDIX
 245 #ifdef CONFIG_X11
 246         &video_out_xvidix,
 247 #endif
 248 #if defined(__MINGW32__) || defined(__CYGWIN__)
 249         &video_out_winvidix,
 250 #endif
 251         &video_out_cvidix,
 252 #endif
 253         &video_out_null,
 254         // should not be auto-selected
 255 #ifdef CONFIG_DIRECTFB
 256         // vo directfb can call exit() if initialization fails
 257         &video_out_directfb,
 258 #endif
 259 #if CONFIG_XVMC
 260         &video_out_xvmc,
 261 #endif
 262         &video_out_mpegpes,
 263 #ifdef CONFIG_YUV4MPEG
 264         &video_out_yuv4mpeg,
 265 #endif
 266 #ifdef CONFIG_LIBAVCODEC
 267         &video_out_png,
 268 #endif
 269 #ifdef CONFIG_JPEG
 270         &video_out_jpeg,
 271 #endif
 272 #ifdef CONFIG_GIF
 273         &video_out_gif89a,
 274 #endif
 275 #ifdef CONFIG_TGA
 276         &video_out_tga,
 277 #endif
 278 #ifdef CONFIG_PNM
 279         &video_out_pnm,
 280 #endif
 281 #ifdef CONFIG_MD5SUM
 282         &video_out_md5sum,
 283 #endif
 284         NULL
 285 };
 286
 287
 288 static int vo_preinit(struct vo *vo, const char *arg)
 289 {
 290     return vo->driver->preinit(vo, arg);
 291 }
 292
 293 int vo_control(struct vo *vo, uint32_t request, void *data)
 294 {
 295     return vo->driver->control(vo, request, data);
 296 }
 297
 298 // Return -1 if driver appears not to support a draw_image interface,
 299 // 0 otherwise (whether the driver actually drew something or not).
 300 int vo_draw_image(struct vo *vo, struct mp_image *mpi, double pts)
 301 {
 302     if (!vo->config_ok)
 303         return 0;
 304     if (vo->driver->buffer_frames) {
 305         vo->driver->draw_image(vo, mpi, pts);
 306         return 0;
 307     }
 308     vo->frame_loaded = true;
 309     vo->next_pts = pts;
 310     if (vo_control(vo, VOCTRL_DRAW_IMAGE, mpi) == VO_NOTIMPL)
 311         return -1;
 312     return 0;
 313 }
 314
 315 int vo_get_buffered_frame(struct vo *vo, bool eof)
 316 {
 317     if (!vo->config_ok)
 318         return -1;
 319     if (vo->frame_loaded)
 320         return 0;
 321     if (!vo->driver->buffer_frames)
 322         return -1;
 323     vo->driver->get_buffered_frame(vo, eof);
 324     return vo->frame_loaded ? 0 : -1;
 325 }
 326
 327 int vo_draw_frame(struct vo *vo, uint8_t *src[])
 328 {
 329     assert(!vo->driver->is_new);
 330     if (!vo->config_ok)
 331         return 0;
 332     return old_vo_draw_frame(vo, src);
 333 }
 334
 335 int vo_draw_slice(struct vo *vo, uint8_t *src[], int stride[], int w, int h, int x, int y)
 336 {
 337     return vo->driver->draw_slice(vo, src, stride, w, h, x, y);
 338 }
 339
 340 void vo_draw_osd(struct vo *vo, struct osd_state *osd)
 341 {
 342     if (!vo->config_ok)
 343         return;
 344     vo->driver->draw_osd(vo, osd);
 345 }
 346
 347 void vo_flip_page(struct vo *vo, unsigned int pts_us, int duration)
 348 {
 349     if (!vo->config_ok)
 350         return;
 351     vo->frame_loaded = false;
 352     vo->next_pts = MP_NOPTS_VALUE;
 353     if (vo->driver->flip_page_timed)
 354         vo->driver->flip_page_timed(vo, pts_us, duration);
 355     else
 356         vo->driver->flip_page(vo);
 357 }
 358
 359 void vo_check_events(struct vo *vo)
 360 {
 361     if (!vo->config_ok)
 362         return;
 363     vo->driver->check_events(vo);
 364 }
 365
 366 void vo_seek_reset(struct vo *vo)
 367 {
 368     vo_control(vo, VOCTRL_RESET, NULL);
 369     vo->frame_loaded = false;
 370 }
 371
 372 void vo_destroy(struct vo *vo)
 373 {
 374     vo->driver->uninit(vo);
 375     talloc_free(vo);
 376 }
 377
 378 void list_video_out(void)
 379 {
 380     int i = 0;
 381     mp_tmsg(MSGT_CPLAYER, MSGL_INFO, "Available video output drivers:\n");
 382     mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_VIDEO_OUTPUTS\n");
 383     while (video_out_drivers[i]) {
 384         const vo_info_t *info = video_out_drivers[i++]->info;
 385         mp_msg(MSGT_GLOBAL, MSGL_INFO,"\t%s\t%s\n", info->short_name, info->name);
 386     }
 387     mp_msg(MSGT_GLOBAL, MSGL_INFO,"\n");
 388 }
 389
 390 struct vo *init_best_video_out(struct MPOpts *opts, struct vo_x11_state *x11,
 391                                struct mp_fifo *key_fifo,
 392                                struct input_ctx *input_ctx)
 393 {
 394     char **vo_list = opts->video_driver_list;
 395     int i;
 396     struct vo *vo = talloc_ptrtype(NULL, vo);
 397     struct vo initial_values = {
 398         .opts = opts,
 399         .x11 = x11,
 400         .key_fifo = key_fifo,
 401         .input_ctx = input_ctx,
 402     };
 403     // first try the preferred drivers, with their optional subdevice param:
 404     if (vo_list && vo_list[0])
 405         while (vo_list[0][0]) {
 406             char *name = strdup(vo_list[0]);
 407
 408             vo_subdevice = strchr(name,':');
 409             if (!strcmp(name, "pgm"))
 410                 mp_tmsg(MSGT_CPLAYER, MSGL_ERR, "The pgm video output driver has been replaced by -vo pnm:pgmyuv.\n");
 411             if (!strcmp(name, "md5"))
 412                 mp_tmsg(MSGT_CPLAYER, MSGL_ERR, "The md5 video output driver has been replaced by -vo md5sum.\n");
 413             if (vo_subdevice) {
 414                 vo_subdevice[0] = 0;
 415                 ++vo_subdevice;
 416             }
 417             for (i = 0; video_out_drivers[i]; i++) {
 418                 const struct vo_driver *video_driver = video_out_drivers[i];
 419                 const vo_info_t *info = video_driver->info;
 420                 if (!strcmp(info->short_name, name)) {
 421                     // name matches, try it
 422                     *vo = initial_values;
 423                     vo->driver = video_driver;
 424                     if (!vo_preinit(vo, vo_subdevice)) {
 425                         free(name);
 426                         return vo; // success!
 427                     }
 428                     talloc_free_children(vo);
 429                 }
 430             }
 431             // continue...
 432             free(name);
 433             ++vo_list;
 434             if (!(vo_list[0]))
 435                 return NULL; // do NOT fallback to others
 436         }
 437
 438 #ifdef CONFIG_GL_WIN32
 439     OSVERSIONINFO winver;
 440     memset(&winver, 0, sizeof(OSVERSIONINFO));
 441     winver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
 442     GetVersionEx(&winver);
 443
 444     if(winver.dwMajorVersion >= 6) {    // If Vista+
 445         vo_subdevice = strdup("yuv=2"); // Use -vo gl:yuv=2 by default
 446         *vo = initial_values;           // Since directdraw is deprecated
 447         vo->driver = &video_out_gl;     // And direct3d is buggy
 448         if (!vo_preinit(vo, vo_subdevice)) {
 449             free(vo_subdevice);
 450             return vo; // it works!
 451         }
 452         talloc_free_children(vo);
 453     }
 454 #endif
 455
 456     // now try the rest...
 457     vo_subdevice = NULL;
 458     for (i = 0; video_out_drivers[i]; i++) {
 459         const struct vo_driver *video_driver = video_out_drivers[i];
 460         *vo = initial_values;
 461         vo->driver = video_driver;
 462         if (!vo_preinit(vo, vo_subdevice))
 463             return vo; // success!
 464         talloc_free_children(vo);
 465     }
 466     free(vo);
 467     return NULL;
 468 }
 469
 470 int vo_config(struct vo *vo, uint32_t width, uint32_t height,
 471                      uint32_t d_width, uint32_t d_height, uint32_t flags,
 472                      char *title, uint32_t format)
 473 {
 474     struct MPOpts *opts = vo->opts;
 475     panscan_init(vo);
 476     aspect_save_orig(vo, width, height);
 477     aspect_save_prescale(vo, d_width, d_height);
 478
 479     if (vo_control(vo, VOCTRL_UPDATE_SCREENINFO, NULL) == VO_TRUE) {
 480         aspect(vo, &d_width, &d_height, A_NOZOOM);
 481         vo->dx = (int)(opts->vo_screenwidth - d_width) / 2;
 482         vo->dy = (int)(opts->vo_screenheight - d_height) / 2;
 483         geometry(&vo->dx, &vo->dy, &d_width, &d_height,
 484                  opts->vo_screenwidth, opts->vo_screenheight);
 485         vo->dx += xinerama_x;
 486         vo->dy += xinerama_y;
 487         vo->dwidth = d_width;
 488         vo->dheight = d_height;
 489     }
 490
 491     int ret = vo->driver->config(vo, width, height, d_width, d_height, flags,
 492                                  title, format);
 493     vo->config_ok = (ret == 0);
 494     vo->config_count += vo->config_ok;
 495     return ret;
 496 }
 497
 498 /**
 499  * \brief lookup an integer in a table, table must have 0 as the last key
 500  * \param key key to search for
 501  * \result translation corresponding to key or "to" value of last mapping
 502  *         if not found.
 503  */
 504 int lookup_keymap_table(const struct keymap *map, int key) {
 505   while (map->from && map->from != key) map++;
 506   return map->to;
 507 }
 508
 509 /**
 510  * \brief helper function for the kind of panscan-scaling that needs a source
 511  *        and destination rectangle like Direct3D and VDPAU
 512  */
 513 static void src_dst_split_scaling(int src_size, int dst_size, int scaled_src_size,
 514                                   int *src_start, int *src_end, int *dst_start, int *dst_end) {
 515   if (scaled_src_size > dst_size) {
 516     int border = src_size * (scaled_src_size - dst_size) / scaled_src_size;
 517     // round to a multiple of 2, this is at least needed for vo_direct3d and ATI cards
 518     border = (border / 2 + 1) & ~1;
 519     *src_start = border;
 520     *src_end   = src_size - border;
 521     *dst_start = 0;
 522     *dst_end   = dst_size;
 523   } else {
 524     *src_start = 0;
 525     *src_end   = src_size;
 526     *dst_start = (dst_size - scaled_src_size) / 2;
 527     *dst_end   = *dst_start + scaled_src_size;
 528   }
 529 }
 530
 531 /**
 532  * Calculate the appropriate source and destination rectangle to
 533  * get a correctly scaled picture, including pan-scan.
 534  * Can be extended to take future cropping support into account.
 535  *
 536  * \param crop specifies the cropping border size in the left, right, top and bottom members, may be NULL
 537  * \param borders the border values as e.g. EOSD (ASS) and properly placed DVD highlight support requires,
 538  *                may be NULL and only left and top are currently valid.
 539  */
 540 void calc_src_dst_rects(struct vo *vo, int src_width, int src_height,
 541                         struct vo_rect *src, struct vo_rect *dst,
 542                         struct vo_rect *borders, const struct vo_rect *crop)
 543 {
 544   static const struct vo_rect no_crop = {0, 0, 0, 0, 0, 0};
 545   int scaled_width  = 0;
 546   int scaled_height = 0;
 547   if (!crop) crop = &no_crop;
 548   src_width  -= crop->left + crop->right;
 549   src_height -= crop->top  + crop->bottom;
 550   if (src_width  < 2) src_width  = 2;
 551   if (src_height < 2) src_height = 2;
 552   dst->left = 0; dst->right  = vo->dwidth;
 553   dst->top  = 0; dst->bottom = vo->dheight;
 554   src->left = 0; src->right  = src_width;
 555   src->top  = 0; src->bottom = src_height;
 556   if (borders) {
 557     borders->left = 0; borders->top = 0;
 558   }
 559   if (aspect_scaling()) {
 560     aspect(vo, &scaled_width, &scaled_height, A_WINZOOM);
 561     panscan_calc_windowed(vo);
 562     scaled_width  += vo->panscan_x;
 563     scaled_height += vo->panscan_y;
 564     if (borders) {
 565       borders->left = (vo->dwidth  - scaled_width ) / 2;
 566       borders->top  = (vo->dheight - scaled_height) / 2;
 567     }
 568     src_dst_split_scaling(src_width, vo->dwidth, scaled_width,
 569                           &src->left, &src->right, &dst->left, &dst->right);
 570     src_dst_split_scaling(src_height, vo->dheight, scaled_height,
 571                           &src->top, &src->bottom, &dst->top, &dst->bottom);
 572   }
 573   src->left += crop->left; src->right  += crop->left;
 574   src->top  += crop->top;  src->bottom += crop->top;
 575   src->width  = src->right  - src->left;
 576   src->height = src->bottom - src->top;
 577   dst->width  = dst->right  - dst->left;
 578   dst->height = dst->bottom - dst->top;
 579 }
 580
 581 #if defined(CONFIG_FBDEV) || defined(CONFIG_VESA)
 582 /* Borrowed from vo_fbdev.c
 583 Monitor ranges related functions*/
 584
 585 char *monitor_hfreq_str = NULL;
 586 char *monitor_vfreq_str = NULL;
 587 char *monitor_dotclock_str = NULL;
 588
 589 float range_max(range_t *r)
 590 {
 591 float max = 0;
 592
 593         for (/* NOTHING */; (r->min != -1 && r->max != -1); r++)
 594                 if (max < r->max) max = r->max;
 595         return max;
 596 }
 597
 598
 599 int in_range(range_t *r, float f)
 600 {
 601         for (/* NOTHING */; (r->min != -1 && r->max != -1); r++)
 602                 if (f >= r->min && f <= r->max)
 603                         return 1;
 604         return 0;
 605 }
 606
 607 range_t *str2range(char *s)
 608 {
 609         float tmp_min, tmp_max;
 610         char *endptr = s;       // to start the loop
 611         range_t *r = NULL;
 612         int i;
 613
 614         if (!s)
 615                 return NULL;
 616         for (i = 0; *endptr; i++) {
 617                 if (*s == ',')
 618                         goto out_err;
 619                 if (!(r = realloc(r, sizeof(*r) * (i + 2)))) {
 620                         mp_msg(MSGT_GLOBAL, MSGL_WARN,"can't realloc 'r'\n");
 621                         return NULL;
 622                 }
 623                 tmp_min = strtod(s, &endptr);
 624                 if (*endptr == 'k' || *endptr == 'K') {
 625                         tmp_min *= 1000.0;
 626                         endptr++;
 627                 } else if (*endptr == 'm' || *endptr == 'M') {
 628                         tmp_min *= 1000000.0;
 629                         endptr++;
 630                 }
 631                 if (*endptr == '-') {
 632                         tmp_max = strtod(endptr + 1, &endptr);
 633                         if (*endptr == 'k' || *endptr == 'K') {
 634                                 tmp_max *= 1000.0;
 635                                 endptr++;
 636                         } else if (*endptr == 'm' || *endptr == 'M') {
 637                                 tmp_max *= 1000000.0;
 638                                 endptr++;
 639                         }
 640                         if (*endptr != ',' && *endptr)
 641                                 goto out_err;
 642                 } else if (*endptr == ',' || !*endptr) {
 643                         tmp_max = tmp_min;
 644                 } else
 645                         goto out_err;
 646                 r[i].min = tmp_min;
 647                 r[i].max = tmp_max;
 648                 if (r[i].min < 0 || r[i].max < 0)
 649                         goto out_err;
 650                 s = endptr + 1;
 651         }
 652         r[i].min = r[i].max = -1;
 653         return r;
 654 out_err:
 655         if (r)
 656                 free(r);
 657         return NULL;
 658 }
 659
 660 /* Borrowed from vo_fbdev.c END */
 661 #endif