libvo/vo_xover.c

   1 /*
   2   XOver a general x11 vo for mplayer overlay drivers based on :
   3     VIDIX accelerated overlay in a X window
   4
   5     (C) Alex Beregszaszi & Zoltan Ponekker & Nick Kurshev
   6
   7     WS window manager by Pontscho/Fresh!
   8
   9     Based on vo_gl.c and vo_vesa.c and vo_xmga.c (.so mastah! ;))
  10 */
  11
  12 #include <stdio.h>
  13 #include <stdlib.h>
  14 #include <string.h>
  15 #include <math.h>
  16 #include <errno.h>
  17 #include <unistd.h>
  18
  19 #include "config.h"
  20 #include "video_out.h"
  21 #include "video_out_internal.h"
  22
  23 #include <X11/Xlib.h>
  24 #include <X11/Xutil.h>
  25 //#include <X11/keysym.h>
  26
  27 #ifdef CONFIG_XINERAMA
  28 #include <X11/extensions/Xinerama.h>
  29 #endif
  30
  31 #include "x11_common.h"
  32 #include "aspect.h"
  33 #include "mp_msg.h"
  34
  35 #ifdef CONFIG_GUI
  36 #include "gui/interface.h"
  37 #endif
  38
  39
  40 static const vo_info_t info =
  41 {
  42     "General X11 driver for overlay capable video output drivers",
  43     "xover",
  44     "Albeu",
  45     ""
  46 };
  47
  48 LIBVO_EXTERN(xover)
  49
  50 #define UNUSED(x) ((void)(x)) /* Removes warning about unused arguments */
  51
  52 /* X11 related variables */
  53 /* Colorkey handling */
  54 static int colorkey;
  55
  56 /* Image parameters */
  57 static uint32_t image_width;
  58 static uint32_t image_height;
  59 static uint32_t image_format;
  60
  61 /* Window parameters */
  62 static uint32_t window_x, window_y;
  63 static uint32_t window_width, window_height;
  64
  65 /* used by XGetGeometry & XTranslateCoordinates for moving/resizing window */
  66 static uint32_t drwX, drwY, drwWidth, drwHeight, drwBorderWidth,
  67     drwDepth, drwcX, drwcY, dwidth, dheight;
  68
  69 static const vo_functions_t* sub_vo = NULL;
  70
  71
  72 static void set_window(int force_update)
  73 {
  74   Window mRoot;
  75   if ( WinID )
  76     {
  77       XGetGeometry(mDisplay, vo_window, &mRoot, &drwX, &drwY, &drwWidth,
  78                    &drwHeight, &drwBorderWidth, &drwDepth);
  79       drwX = drwY = 0;
  80
  81       XTranslateCoordinates(mDisplay, vo_window, mRoot, 0, 0,
  82                             &drwcX, &drwcY, &mRoot);
  83       aspect(&dwidth,&dheight,A_NOZOOM);
  84       if (!vo_fs)
  85         mp_msg(MSGT_VO, MSGL_V, "[xvidix] dcx: %d dcy: %d dx: %d dy: %d dw: %d dh: %d\n",
  86                drwcX, drwcY, drwX, drwY, drwWidth, drwHeight);
  87
  88       /* following stuff copied from vo_xmga.c */
  89     }
  90   else
  91     {
  92       aspect(&dwidth,&dheight,A_NOZOOM);
  93       drwcX=drwX=vo_dx; drwcY=drwY=vo_dy; drwWidth=vo_dwidth; drwHeight=vo_dheight;
  94     }
  95
  96 #if X11_FULLSCREEN
  97   if (vo_fs)
  98     {
  99       aspect(&dwidth,&dheight,A_ZOOM);
 100       drwX = (vo_screenwidth - ((int)dwidth > vo_screenwidth ? vo_screenwidth : dwidth)) / 2;
 101       drwcX = drwX;
 102       drwY = (vo_screenheight - ((int)dheight > vo_screenheight ? vo_screenheight : dheight)) / 2;
 103       drwcY = drwY;
 104       drwWidth = ((int)dwidth > vo_screenwidth ? vo_screenwidth : dwidth);
 105       drwHeight = ((int)dheight > vo_screenheight ? vo_screenheight : dheight);
 106       mp_msg(MSGT_VO, MSGL_V, "[xvidix-fs] dcx: %d dcy: %d dx: %d dy: %d dw: %d dh: %d\n",
 107              drwcX, drwcY, drwX, drwY, drwWidth, drwHeight);
 108     }
 109 #endif
 110
 111   vo_dwidth=drwWidth; vo_dheight=drwHeight;
 112
 113 #ifdef CONFIG_XINERAMA
 114   if (XineramaIsActive(mDisplay))
 115     {
 116       XineramaScreenInfo *screens;
 117       int num_screens;
 118       int i = 0;
 119
 120       screens = XineramaQueryScreens(mDisplay, &num_screens);
 121
 122       /* find the screen we are on */
 123       while (i<num_screens &&
 124              ((screens[i].x_org < (int)drwcX) ||
 125               (screens[i].y_org < (int)drwcY) ||
 126               (screens[i].x_org + screens[i].width >= (int)drwcX) ||
 127               (screens[i].y_org + screens[i].height >= (int)drwcY)))
 128         {
 129           i++;
 130         }
 131
 132       if(i<num_screens)
 133         {
 134           /* save the screen we are on */
 135           xinerama_screen = i;
 136         } else {
 137           /* oops.. couldnt find the screen we are on
 138            * because the upper left corner left the
 139            * visual range. assume we are still on the
 140            * same screen
 141            */
 142           i = xinerama_screen;
 143         }
 144
 145       /* set drwcX and drwcY to the right values */
 146       drwcX = drwcX - screens[i].x_org;
 147       drwcY = drwcY - screens[i].y_org;
 148       XFree(screens);
 149     }
 150 #endif
 151
 152   if ( vo_panscan > 0.0f && vo_fs )
 153     {
 154       drwcX-=vo_panscan_x >> 1;
 155       drwcY-=vo_panscan_y >> 1;
 156       drwX-=vo_panscan_x >> 1;
 157       drwY-=vo_panscan_y >> 1;
 158       drwWidth+=vo_panscan_x;
 159       drwHeight+=vo_panscan_y;
 160     }
 161
 162   /* set new values in VIDIX */
 163   if (force_update || (window_x != drwcX) || (window_y != drwcY) ||
 164       (window_width != drwWidth) || (window_height != drwHeight))
 165     {
 166       mp_win_t w;
 167       // do a backup of window coordinates
 168       w.x = window_x = drwcX;
 169       w.y = window_y = drwcY;
 170       vo_dx = drwcX;
 171       vo_dy = drwcY;
 172       w.w = window_width = drwWidth;
 173       w.h = window_height = drwHeight;
 174
 175       if(sub_vo->control(VOCTRL_XOVERLAY_SET_WIN,&w) != VO_TRUE)
 176         mp_msg(MSGT_VO, MSGL_ERR, "xvidx: set_overlay failed\n");
 177
 178       mp_msg(MSGT_VO, MSGL_V, "[xvidix] window properties: pos: %dx%d, size: %dx%d\n", vo_dx, vo_dy, window_width, window_height);
 179     }
 180
 181   /* mDrawColorKey: */
 182
 183   /* fill drawable with specified color */
 184   XSetBackground(mDisplay, vo_gc, 0L);
 185   XClearWindow( mDisplay,vo_window );
 186   XSetForeground(mDisplay, vo_gc, colorkey);
 187   XFillRectangle(mDisplay, vo_window, vo_gc, drwX, drwY, drwWidth,
 188                  (vo_fs ? drwHeight - 1 : drwHeight));
 189
 190   /* flush, update drawable */
 191   XFlush(mDisplay);
 192
 193   return;
 194 }
 195
 196 /* connect to server, create and map window,
 197  * allocate colors and (shared) memory
 198  */
 199 static int config(uint32_t width, uint32_t height, uint32_t d_width,
 200                        uint32_t d_height, uint32_t flags, char *title, uint32_t format)
 201 {
 202   XVisualInfo vinfo;
 203   //    XSizeHints hint;
 204   XSetWindowAttributes xswa;
 205   unsigned long xswamask;
 206   XWindowAttributes attribs;
 207   int window_depth, r, g, b;
 208   mp_colorkey_t colork;
 209   char _title[255];
 210
 211   sprintf(_title,"MPlayer %s X11 Overlay",sub_vo->info->name);
 212   title = _title;
 213
 214   panscan_init();
 215
 216   image_height = height;
 217   image_width = width;
 218   image_format = format;
 219
 220   aspect_save_orig(width, height);
 221   aspect_save_prescale(d_width, d_height);
 222   update_xinerama_info();
 223
 224   window_width = d_width;
 225   window_height = d_height;
 226
 227   r = (vo_colorkey & 0x00ff0000) >> 16;
 228   g = (vo_colorkey & 0x0000ff00) >> 8;
 229   b = vo_colorkey & 0x000000ff;
 230   switch(vo_depthonscreen)
 231     {
 232     case 32:
 233       colorkey = vo_colorkey;
 234       break;
 235     case 24:
 236       colorkey = vo_colorkey & 0x00ffffff;
 237       break;
 238     case 16:
 239       colorkey = ((r >> 3) << 11) | ((g >> 2) << 5) | (b >> 3);
 240       break;
 241     case 15:
 242       colorkey = ((r >> 3) << 10) | ((g >> 3) << 5) | (b >> 3);
 243       break;
 244     default:
 245       mp_msg(MSGT_VO, MSGL_ERR, "Sorry, this (%d) color depth is not supported\n",
 246              vo_depthonscreen);
 247     }
 248   mp_msg(MSGT_VO, MSGL_V, "Using colorkey: %x\n", colorkey);
 249
 250   aspect(&d_width, &d_height, A_NOZOOM);
 251
 252   vo_dx=( vo_screenwidth - d_width ) / 2; vo_dy=( vo_screenheight - d_height ) / 2;
 253   vo_dx += xinerama_x;
 254   vo_dy += xinerama_y;
 255   vo_dwidth=d_width; vo_dheight=d_height;
 256
 257 #ifdef CONFIG_GUI
 258   if(use_gui) guiGetEvent( guiSetShVideo,0 ); // the GUI will set up / resize the window
 259   else
 260     {
 261 #endif
 262
 263 #ifdef X11_FULLSCREEN
 264       if ( ( flags&VOFLAG_FULLSCREEN )||(flags & VOFLAG_SWSCALE) ) aspect(&d_width, &d_height, A_ZOOM);
 265 #endif
 266       dwidth = d_width;
 267       dheight = d_height;
 268       /* Make the window */
 269       XGetWindowAttributes(mDisplay, DefaultRootWindow(mDisplay), &attribs);
 270
 271       /* from vo_x11 */
 272       window_depth = attribs.depth;
 273       if ((window_depth != 15) && (window_depth != 16) && (window_depth != 24)
 274           && (window_depth != 32))
 275         window_depth = 24;
 276       XMatchVisualInfo(mDisplay, mScreen, window_depth, TrueColor, &vinfo);
 277
 278       xswa.background_pixel = BlackPixel(mDisplay, mScreen);
 279       xswa.border_pixel     = 0;
 280       xswa.colormap         = XCreateColormap(mDisplay, RootWindow(mDisplay, mScreen),
 281                                               vinfo.visual, AllocNone);
 282       xswamask = CWBackPixel | CWBorderPixel | CWColormap;
 283
 284             vo_x11_create_vo_window(&vinfo, vo_dx, vo_dy,
 285                   window_width, window_height, flags,
 286                   xswa.colormap, "xvidix", title);
 287             XChangeWindowAttributes(mDisplay, vo_window, xswamask, &xswa);
 288
 289 #ifdef CONFIG_GUI
 290     }
 291 #endif
 292
 293   if ( ( !WinID )&&( flags&VOFLAG_FULLSCREEN ) ) { vo_dx=0; vo_dy=0; vo_dwidth=vo_screenwidth; vo_dheight=vo_screenheight; vo_fs=1; }
 294
 295   if(sub_vo->config(image_width,image_height,vo_dwidth,vo_dheight,
 296                     flags | VOFLAG_XOVERLAY_SUB_VO,NULL,format)) {
 297     mp_msg(MSGT_VO, MSGL_ERR, "xover: sub vo config failed\n");
 298     return 1;
 299   }
 300   colork.x11 = colorkey;
 301   colork.r = r;
 302   colork.g = g;
 303   colork.b = b;
 304   if(sub_vo->control(VOCTRL_XOVERLAY_SET_COLORKEY,&colork) != VO_TRUE)
 305     mp_msg(MSGT_VO, MSGL_WARN, "xover: set_colorkey failed\n");
 306
 307   set_window(1);
 308
 309   XSync(mDisplay, False);
 310
 311   panscan_calc();
 312
 313   return 0;
 314 }
 315
 316 static void check_events(void)
 317 {
 318   const int event = vo_x11_check_events(mDisplay);
 319
 320   if ((event & VO_EVENT_RESIZE) || (event & VO_EVENT_EXPOSE))
 321     set_window(0);
 322   sub_vo->check_events();
 323   return;
 324 }
 325
 326 /* draw_osd, flip_page, draw_slice, draw_frame should be
 327    overwritten with vidix functions (vosub_vidix.c) */
 328 static void draw_osd(void)
 329 {
 330   mp_msg(MSGT_VO, MSGL_FATAL, "xover error: didn't used sub vo draw_osd!\n");
 331 }
 332
 333 static void flip_page(void)
 334 {
 335   mp_msg(MSGT_VO, MSGL_FATAL, "xover error: didn't used sub vo flip_page!\n");
 336 }
 337
 338 static int draw_slice(uint8_t *src[], int stride[],
 339                            int w, int h, int x, int y)
 340 {
 341   UNUSED(src);
 342   UNUSED(stride);
 343   UNUSED(w);
 344   UNUSED(h);
 345   UNUSED(x);
 346   UNUSED(y);
 347   mp_msg(MSGT_VO, MSGL_FATAL, "xover error: didn't used sub vo draw_slice!\n");
 348   return 1;
 349 }
 350
 351 static int draw_frame(uint8_t *src[])
 352 {
 353   UNUSED(src);
 354   mp_msg(MSGT_VO, MSGL_FATAL, "xover error: didn't used sub vo draw_frame!\n");
 355   return 1;
 356 }
 357
 358 static void uninit(void)
 359 {
 360   if(!vo_config_count) return;
 361   if(sub_vo) sub_vo->uninit();
 362   sub_vo = NULL;
 363   vo_x11_uninit();
 364   // Restore our callbacks
 365   video_out_xover.draw_frame = draw_frame;
 366   video_out_xover.draw_slice = draw_slice;
 367   video_out_xover.flip_page = flip_page;
 368   video_out_xover.draw_osd  = draw_osd;
 369 }
 370
 371 static int preinit(const char *arg)
 372 {
 373   int i;
 374
 375   if(!arg) {
 376     mp_msg(MSGT_VO, MSGL_ERR, "VO XOverlay need a subdriver\n");
 377     return 1;
 378   }
 379
 380   for(i = 0 ; video_out_drivers[i] != NULL ; i++) {
 381     if(!strcmp(video_out_drivers[i]->info->short_name,arg) &&
 382        strcmp(video_out_drivers[i]->info->short_name,"xover"))
 383       break;
 384   }
 385   if(!video_out_drivers[i]) {
 386     mp_msg(MSGT_VO, MSGL_ERR, "VO XOverlay: Subdriver %s not found\n", arg);
 387     return 1;
 388   }
 389   if(video_out_drivers[i]->control(VOCTRL_XOVERLAY_SUPPORT,NULL) != VO_TRUE) {
 390     mp_msg(MSGT_VO, MSGL_ERR, "VO XOverlay: %s doesn't support XOverlay\n", arg);
 391     return 1;
 392   }
 393   // X11 init
 394   if (!vo_init()) return VO_FALSE;
 395   if(video_out_drivers[i]->preinit(NULL)) {
 396     mp_msg(MSGT_VO, MSGL_ERR, "VO XOverlay: Subvo init failed\n");
 397     return 1;
 398   }
 399   sub_vo = video_out_drivers[i];
 400   // Setup the sub vo callbacks
 401   video_out_xover.draw_frame = sub_vo->draw_frame;
 402   video_out_xover.draw_slice = sub_vo->draw_slice;
 403   video_out_xover.flip_page = sub_vo->flip_page;
 404   video_out_xover.draw_osd  = sub_vo->draw_osd;
 405   return 0;
 406 }
 407
 408 static int control(uint32_t request, void *data, ...)
 409 {
 410   if(!sub_vo) return VO_ERROR;
 411   switch (request) {
 412   case VOCTRL_GUISUPPORT:
 413     return VO_TRUE;
 414   case VOCTRL_GET_PANSCAN:
 415     if ( !vo_config_count || !vo_fs ) return VO_FALSE;
 416     return VO_TRUE;
 417   case VOCTRL_ONTOP:
 418     vo_x11_ontop();
 419     return VO_TRUE;
 420   case VOCTRL_FULLSCREEN:
 421     vo_x11_fullscreen();
 422   case VOCTRL_SET_PANSCAN:
 423     if ( vo_fs && ( vo_panscan != vo_panscan_amount ) )
 424       {
 425         panscan_calc();
 426         set_window(0);
 427       }
 428     return VO_TRUE;
 429   default:
 430     // Safe atm bcs nothing use more than 1 arg
 431     return sub_vo->control(request,data);
 432   }
 433   return VO_NOTIMPL;
 434 }