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