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