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