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