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_dxr2;
 104 extern struct vo_driver video_out_dxr3;
 105 extern struct vo_driver video_out_ivtv;
 106 extern struct vo_driver video_out_v4l2;
 107 extern struct vo_driver video_out_jpeg;
 108 extern struct vo_driver video_out_gif89a;
 109 extern struct vo_driver video_out_vesa;
 110 extern struct vo_driver video_out_directfb;
 111 extern struct vo_driver video_out_dfbmga;
 112 extern struct vo_driver video_out_xvidix;
 113 extern struct vo_driver video_out_winvidix;
 114 extern struct vo_driver video_out_cvidix;
 115 extern struct vo_driver video_out_tdfx_vid;
 116 extern struct vo_driver video_out_xvr100;
 117 extern struct vo_driver video_out_tga;
 118 extern struct vo_driver video_out_macosx;
 119 extern struct vo_driver video_out_quartz;
 120 extern struct vo_driver video_out_pnm;
 121 extern struct vo_driver video_out_md5sum;
 122
 123 const struct vo_driver *video_out_drivers[] =
 124 {
 125 #ifdef CONFIG_XVR100
 126         &video_out_xvr100,
 127 #endif
 128 #ifdef CONFIG_TDFX_VID
 129         &video_out_tdfx_vid,
 130 #endif
 131 #ifdef CONFIG_DIRECTX
 132         &video_out_directx,
 133 #endif
 134 #ifdef CONFIG_DIRECT3D
 135         &video_out_direct3d,
 136 #endif
 137 #ifdef CONFIG_COREVIDEO
 138         &video_out_macosx,
 139 #endif
 140 #ifdef CONFIG_QUARTZ
 141         &video_out_quartz,
 142 #endif
 143 #ifdef CONFIG_XMGA
 144         &video_out_xmga,
 145 #endif
 146 #ifdef CONFIG_MGA
 147         &video_out_mga,
 148 #endif
 149 #ifdef CONFIG_TDFXFB
 150         &video_out_tdfxfb,
 151 #endif
 152 #ifdef CONFIG_S3FB
 153         &video_out_s3fb,
 154 #endif
 155 #ifdef CONFIG_WII
 156         &video_out_wii,
 157 #endif
 158 #ifdef CONFIG_3DFX
 159         &video_out_3dfx,
 160 #endif
 161 #ifdef CONFIG_XV
 162         &video_out_xv,
 163 #endif
 164 #if CONFIG_VDPAU
 165         &video_out_vdpau,
 166 #endif
 167 #ifdef CONFIG_X11
 168         &video_out_x11,
 169         &video_out_xover,
 170 #endif
 171 #ifdef CONFIG_GL
 172         &video_out_gl,
 173         &video_out_gl2,
 174 #endif
 175 #ifdef CONFIG_DGA
 176         &video_out_dga,
 177 #endif
 178 #ifdef CONFIG_SDL
 179         &video_out_sdl,
 180 #endif
 181 #ifdef CONFIG_GGI
 182         &video_out_ggi,
 183 #endif
 184 #ifdef CONFIG_FBDEV
 185         &video_out_fbdev,
 186         &video_out_fbdev2,
 187 #endif
 188 #ifdef CONFIG_SVGALIB
 189         &video_out_svga,
 190 #endif
 191 #ifdef CONFIG_AA
 192         &video_out_aa,
 193 #endif
 194 #ifdef CONFIG_CACA
 195         &video_out_caca,
 196 #endif
 197 #ifdef CONFIG_DXR2
 198         &video_out_dxr2,
 199 #endif
 200 #ifdef CONFIG_DXR3
 201         &video_out_dxr3,
 202 #endif
 203 #ifdef CONFIG_IVTV
 204         &video_out_ivtv,
 205 #endif
 206 #ifdef CONFIG_V4L2_DECODER
 207         &video_out_v4l2,
 208 #endif
 209 #ifdef CONFIG_ZR
 210         &video_out_zr,
 211         &video_out_zr2,
 212 #endif
 213 #ifdef CONFIG_BL
 214         &video_out_bl,
 215 #endif
 216 #ifdef CONFIG_VESA
 217         &video_out_vesa,
 218 #endif
 219 #ifdef CONFIG_DIRECTFB
 220         &video_out_directfb,
 221 #endif
 222 #ifdef CONFIG_DFBMGA
 223         &video_out_dfbmga,
 224 #endif
 225 #ifdef CONFIG_VIDIX
 226 #ifdef CONFIG_X11
 227         &video_out_xvidix,
 228 #endif
 229 #if defined(__MINGW32__) || defined(__CYGWIN__)
 230         &video_out_winvidix,
 231 #endif
 232         &video_out_cvidix,
 233 #endif
 234         &video_out_null,
 235         // should not be auto-selected
 236 #if CONFIG_XVMC
 237         &video_out_xvmc,
 238 #endif
 239         &video_out_mpegpes,
 240 #ifdef CONFIG_YUV4MPEG
 241         &video_out_yuv4mpeg,
 242 #endif
 243 #ifdef CONFIG_PNG
 244         &video_out_png,
 245 #endif
 246 #ifdef CONFIG_JPEG
 247         &video_out_jpeg,
 248 #endif
 249 #ifdef CONFIG_GIF
 250         &video_out_gif89a,
 251 #endif
 252 #ifdef CONFIG_TGA
 253         &video_out_tga,
 254 #endif
 255 #ifdef CONFIG_PNM
 256         &video_out_pnm,
 257 #endif
 258 #ifdef CONFIG_MD5SUM
 259         &video_out_md5sum,
 260 #endif
 261         NULL
 262 };
 263
 264
 265 static int vo_preinit(struct vo *vo, const char *arg)
 266 {
 267     return vo->driver->preinit(vo, arg);
 268 }
 269
 270 int vo_control(struct vo *vo, uint32_t request, void *data)
 271 {
 272     return vo->driver->control(vo, request, data);
 273 }
 274
 275 int vo_draw_frame(struct vo *vo, uint8_t *src[])
 276 {
 277     if (!vo->config_ok)
 278         return 0;
 279     return vo->driver->draw_frame(vo, src);
 280 }
 281
 282 int vo_draw_slice(struct vo *vo, uint8_t *src[], int stride[], int w, int h, int x, int y)
 283 {
 284     return vo->driver->draw_slice(vo, src, stride, w, h, x, y);
 285 }
 286
 287 void vo_draw_osd(struct vo *vo, struct osd_state *osd)
 288 {
 289     if (!vo->config_ok)
 290         return;
 291     vo->driver->draw_osd(vo, osd);
 292 }
 293
 294 void vo_flip_page(struct vo *vo)
 295 {
 296     if (!vo->config_ok)
 297         return;
 298     vo->driver->flip_page(vo);
 299 }
 300
 301 void vo_check_events(struct vo *vo)
 302 {
 303     if (!vo->config_ok)
 304         return;
 305     vo->driver->check_events(vo);
 306 }
 307
 308 void vo_destroy(struct vo *vo)
 309 {
 310     vo->driver->uninit(vo);
 311     talloc_free(vo);
 312 }
 313
 314 void list_video_out(void)
 315 {
 316     int i = 0;
 317     mp_msg(MSGT_CPLAYER, MSGL_INFO, MSGTR_AvailableVideoOutputDrivers);
 318     mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_VIDEO_OUTPUTS\n");
 319     while (video_out_drivers[i]) {
 320         const vo_info_t *info = video_out_drivers[i++]->info;
 321         mp_msg(MSGT_GLOBAL, MSGL_INFO,"\t%s\t%s\n", info->short_name, info->name);
 322     }
 323     mp_msg(MSGT_GLOBAL, MSGL_INFO,"\n");
 324 }
 325
 326 struct vo *init_best_video_out(struct MPOpts *opts, struct vo_x11_state *x11,
 327                                struct mp_fifo *key_fifo,
 328                                struct input_ctx *input_ctx)
 329 {
 330     char **vo_list = opts->video_driver_list;
 331     int i;
 332     struct vo *vo = talloc_ptrtype(NULL, vo);
 333     struct vo initial_values = {
 334         .opts = opts,
 335         .x11 = x11,
 336         .key_fifo = key_fifo,
 337         .input_ctx = input_ctx,
 338     };
 339     // first try the preferred drivers, with their optional subdevice param:
 340     if (vo_list && vo_list[0])
 341         while (vo_list[0][0]) {
 342             char *name = strdup(vo_list[0]);
 343             vo_subdevice = strchr(name,':');
 344             if (!strcmp(name, "pgm"))
 345                 mp_msg(MSGT_CPLAYER, MSGL_ERR, MSGTR_VO_PGM_HasBeenReplaced);
 346             if (!strcmp(name, "md5"))
 347                 mp_msg(MSGT_CPLAYER, MSGL_ERR, MSGTR_VO_MD5_HasBeenReplaced);
 348             if (vo_subdevice) {
 349                 vo_subdevice[0] = 0;
 350                 ++vo_subdevice;
 351             }
 352             for (i = 0; video_out_drivers[i]; i++) {
 353                 const struct vo_driver *video_driver = video_out_drivers[i];
 354                 const vo_info_t *info = video_driver->info;
 355                 if (!strcmp(info->short_name, name)) {
 356                     // name matches, try it
 357                     *vo = initial_values;
 358                     vo->driver = video_driver;
 359                     if (!vo_preinit(vo, vo_subdevice)) {
 360                         free(name);
 361                         return vo; // success!
 362                     }
 363                 }
 364             }
 365             // continue...
 366             free(name);
 367             ++vo_list;
 368             if (!(vo_list[0]))
 369                 return NULL; // do NOT fallback to others
 370         }
 371     // now try the rest...
 372     vo_subdevice = NULL;
 373     for (i = 0; video_out_drivers[i]; i++) {
 374         const struct vo_driver *video_driver = video_out_drivers[i];
 375         *vo = initial_values;
 376         vo->driver = video_driver;
 377         if (!vo_preinit(vo, vo_subdevice))
 378             return vo; // success!
 379     }
 380     free(vo);
 381     return NULL;
 382 }
 383
 384 int vo_config(struct vo *vo, uint32_t width, uint32_t height,
 385                      uint32_t d_width, uint32_t d_height, uint32_t flags,
 386                      char *title, uint32_t format)
 387 {
 388     struct MPOpts *opts = vo->opts;
 389     panscan_init(vo);
 390     aspect_save_orig(vo, width, height);
 391     aspect_save_prescale(vo, d_width, d_height);
 392
 393     if (vo_control(vo, VOCTRL_UPDATE_SCREENINFO, NULL) == VO_TRUE) {
 394         aspect(vo, &d_width, &d_height, A_NOZOOM);
 395         vo->dx = (int)(opts->vo_screenwidth - d_width) / 2;
 396         vo->dy = (int)(opts->vo_screenheight - d_height) / 2;
 397         geometry(&vo->dx, &vo->dy, &d_width, &d_height,
 398                  opts->vo_screenwidth, opts->vo_screenheight);
 399         vo->dx += xinerama_x;
 400         vo->dy += xinerama_y;
 401         vo->dwidth = d_width;
 402         vo->dheight = d_height;
 403     }
 404
 405     int ret = vo->driver->config(vo, width, height, d_width, d_height, flags,
 406                                  title, format);
 407     vo->config_ok = (ret == 0);
 408     vo->config_count += vo->config_ok;
 409     return ret;
 410 }
 411
 412 /**
 413  * \brief lookup an integer in a table, table must have 0 as the last key
 414  * \param key key to search for
 415  * \result translation corresponding to key or "to" value of last mapping
 416  *         if not found.
 417  */
 418 int lookup_keymap_table(const struct keymap *map, int key) {
 419   while (map->from && map->from != key) map++;
 420   return map->to;
 421 }
 422
 423 /**
 424  * \brief helper function for the kind of panscan-scaling that needs a source
 425  *        and destination rectangle like Direct3D and VDPAU
 426  */
 427 static void src_dst_split_scaling(int src_size, int dst_size, int scaled_src_size,
 428                                   int *src_start, int *src_end, int *dst_start, int *dst_end) {
 429   if (scaled_src_size > dst_size) {
 430     int border = src_size * (scaled_src_size - dst_size) / scaled_src_size;
 431     // round to a multiple of 2, this is at least needed for vo_direct3d and ATI cards
 432     border = (border / 2 + 1) & ~1;
 433     *src_start = border;
 434     *src_end   = src_size - border;
 435     *dst_start = 0;
 436     *dst_end   = dst_size;
 437   } else {
 438     *src_start = 0;
 439     *src_end   = src_size;
 440     *dst_start = (dst_size - scaled_src_size) / 2;
 441     *dst_end   = *dst_start + scaled_src_size;
 442   }
 443 }
 444
 445 /**
 446  * Calculate the appropriate source and destination rectangle to
 447  * get a correctly scaled picture, including pan-scan.
 448  * Can be extended to take future cropping support into account.
 449  *
 450  * \param crop specifies the cropping border size in the left, right, top and bottom members, may be NULL
 451  * \param borders the border values as e.g. EOSD (ASS) and properly placed DVD highlight support requires,
 452  *                may be NULL and only left and top are currently valid.
 453  */
 454 void calc_src_dst_rects(struct vo *vo, int src_width, int src_height,
 455                         struct vo_rect *src, struct vo_rect *dst,
 456                         struct vo_rect *borders, const struct vo_rect *crop)
 457 {
 458   static const struct vo_rect no_crop = {0, 0, 0, 0, 0, 0};
 459   int scaled_width  = 0;
 460   int scaled_height = 0;
 461   if (!crop) crop = &no_crop;
 462   src_width  -= crop->left + crop->right;
 463   src_height -= crop->top  + crop->bottom;
 464   if (src_width  < 2) src_width  = 2;
 465   if (src_height < 2) src_height = 2;
 466   dst->left = 0; dst->right  = vo->dwidth;
 467   dst->top  = 0; dst->bottom = vo->dheight;
 468   src->left = 0; src->right  = src_width;
 469   src->top  = 0; src->bottom = src_height;
 470   if (borders) {
 471     borders->left = 0; borders->top = 0;
 472   }
 473   if (vo_fs) {
 474     aspect(vo, &scaled_width, &scaled_height, A_ZOOM);
 475     panscan_calc(vo);
 476     scaled_width  += vo->panscan_x;
 477     scaled_height += vo->panscan_y;
 478     if (borders) {
 479       borders->left = (vo->dwidth  - scaled_width ) / 2;
 480       borders->top  = (vo->dheight - scaled_height) / 2;
 481     }
 482     src_dst_split_scaling(src_width, vo->dwidth, scaled_width,
 483                           &src->left, &src->right, &dst->left, &dst->right);
 484     src_dst_split_scaling(src_height, vo->dheight, scaled_height,
 485                           &src->top, &src->bottom, &dst->top, &dst->bottom);
 486   }
 487   src->left += crop->left; src->right  += crop->left;
 488   src->top  += crop->top;  src->bottom += crop->top;
 489   src->width  = src->right  - src->left;
 490   src->height = src->bottom - src->top;
 491   dst->width  = dst->right  - dst->left;
 492   dst->height = dst->bottom - dst->top;
 493 }
 494
 495 #if defined(CONFIG_FBDEV) || defined(CONFIG_VESA)
 496 /* Borrowed from vo_fbdev.c
 497 Monitor ranges related functions*/
 498
 499 char *monitor_hfreq_str = NULL;
 500 char *monitor_vfreq_str = NULL;
 501 char *monitor_dotclock_str = NULL;
 502
 503 float range_max(range_t *r)
 504 {
 505 float max = 0;
 506
 507         for (/* NOTHING */; (r->min != -1 && r->max != -1); r++)
 508                 if (max < r->max) max = r->max;
 509         return max;
 510 }
 511
 512
 513 int in_range(range_t *r, float f)
 514 {
 515         for (/* NOTHING */; (r->min != -1 && r->max != -1); r++)
 516                 if (f >= r->min && f <= r->max)
 517                         return 1;
 518         return 0;
 519 }
 520
 521 range_t *str2range(char *s)
 522 {
 523         float tmp_min, tmp_max;
 524         char *endptr = s;       // to start the loop
 525         range_t *r = NULL;
 526         int i;
 527
 528         if (!s)
 529                 return NULL;
 530         for (i = 0; *endptr; i++) {
 531                 if (*s == ',')
 532                         goto out_err;
 533                 if (!(r = (range_t *) realloc(r, sizeof(*r) * (i + 2)))) {
 534                         mp_msg(MSGT_GLOBAL, MSGL_WARN,"can't realloc 'r'\n");
 535                         return NULL;
 536                 }
 537                 tmp_min = strtod(s, &endptr);
 538                 if (*endptr == 'k' || *endptr == 'K') {
 539                         tmp_min *= 1000.0;
 540                         endptr++;
 541                 } else if (*endptr == 'm' || *endptr == 'M') {
 542                         tmp_min *= 1000000.0;
 543                         endptr++;
 544                 }
 545                 if (*endptr == '-') {
 546                         tmp_max = strtod(endptr + 1, &endptr);
 547                         if (*endptr == 'k' || *endptr == 'K') {
 548                                 tmp_max *= 1000.0;
 549                                 endptr++;
 550                         } else if (*endptr == 'm' || *endptr == 'M') {
 551                                 tmp_max *= 1000000.0;
 552                                 endptr++;
 553                         }
 554                         if (*endptr != ',' && *endptr)
 555                                 goto out_err;
 556                 } else if (*endptr == ',' || !*endptr) {
 557                         tmp_max = tmp_min;
 558                 } else
 559                         goto out_err;
 560                 r[i].min = tmp_min;
 561                 r[i].max = tmp_max;
 562                 if (r[i].min < 0 || r[i].max < 0)
 563                         goto out_err;
 564                 s = endptr + 1;
 565         }
 566         r[i].min = r[i].max = -1;
 567         return r;
 568 out_err:
 569         if (r)
 570                 free(r);
 571         return NULL;
 572 }
 573
 574 /* Borrowed from vo_fbdev.c END */
 575 #endif
 576