libvo/vo_xmga.c

   1 /*
   2  * copyright (C) 2001 Zoltan Ponekker
   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 //#define SHOW_TIME
  22
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <string.h>
  26
  27 #include "config.h"
  28
  29 #include "video_out.h"
  30 #include "video_out_internal.h"
  31
  32
  33 #include <sys/ioctl.h>
  34 #include <unistd.h>
  35 #include <fcntl.h>
  36 #include <sys/mman.h>
  37
  38 #include "drivers/mga_vid.h"
  39
  40 #include <X11/Xlib.h>
  41 #include <X11/Xutil.h>
  42 #include <errno.h>
  43
  44 #ifdef CONFIG_XINERAMA
  45 #include <X11/extensions/Xinerama.h>
  46 #endif
  47
  48 #include "x11_common.h"
  49 #include "sub.h"
  50 #include "aspect.h"
  51
  52 #ifdef SHOW_TIME
  53 #include "osdep/timer.h"
  54 static unsigned int timer = 0;
  55 static unsigned int timerd = 0;
  56 #endif
  57
  58 static const vo_info_t info = {
  59     "Matrox G200/G4x0/G550 overlay in X11 window (using /dev/mga_vid)",
  60     "xmga",
  61     "Zoltan Ponekker <pontscho@makacs.poliod.hu>",
  62     ""
  63 };
  64
  65 const LIBVO_EXTERN(xmga)
  66
  67 static uint32_t mDepth;
  68 static XWindowAttributes attribs;
  69 static int colorkey;
  70
  71 static uint32_t mvHeight;
  72 static uint32_t mvWidth;
  73
  74 static Window mRoot;
  75
  76 static XSetWindowAttributes xWAttribs;
  77
  78 static int initialized = 0;
  79
  80 #define VO_XMGA
  81 #include "mga_template.c"
  82 #undef  VO_XMGA
  83
  84 static void mDrawColorKey(void)
  85 {
  86     XSetBackground(mDisplay, vo_gc, 0);
  87     XClearWindow(mDisplay, vo_window);
  88     XSetForeground(mDisplay, vo_gc, colorkey);
  89     XFillRectangle(mDisplay, vo_window, vo_gc, drwX, drwY, drwWidth,
  90                    (vo_fs ? drwHeight - 1 : drwHeight));
  91     XFlush(mDisplay);
  92 }
  93
  94 static void check_events(void)
  95 {
  96     int e = vo_x11_check_events(mDisplay);
  97
  98     if (!(e & VO_EVENT_RESIZE) && !(e & VO_EVENT_EXPOSE))
  99         return;
 100     set_window();
 101     mDrawColorKey();
 102     if (ioctl(f, MGA_VID_CONFIG, &mga_vid_config))
 103         mp_msg(MSGT_VO, MSGL_WARN,
 104                "Error in mga_vid_config ioctl (wrong mga_vid.o version?)");
 105 }
 106
 107 static void flip_page(void)
 108 {
 109 #ifdef SHOW_TIME
 110     unsigned int t;
 111
 112     t = GetTimer();
 113     mp_msg(MSGT_VO, MSGL_STATUS,
 114            "  [timer: %08X  diff: %6d  dd: %6d ]  \n", t, t - timer,
 115            (t - timer) - timerd);
 116     timerd = t - timer;
 117     timer = t;
 118 #endif
 119
 120     vo_mga_flip_page();
 121 }
 122
 123 static int config(uint32_t width, uint32_t height, uint32_t d_width,
 124                        uint32_t d_height, uint32_t flags, char *title,
 125                        uint32_t format)
 126 {
 127     XVisualInfo vinfo;
 128     unsigned long xswamask;
 129     int r, g, b;
 130
 131     if (mga_init(width, height, format))
 132         return -1;              // ioctl errors?
 133
 134     aspect_save_orig(width, height);
 135     aspect_save_prescale(d_width, d_height);
 136     update_xinerama_info();
 137
 138     mvWidth = width;
 139     mvHeight = height;
 140
 141     vo_panscan_x = vo_panscan_y = vo_panscan_amount = 0;
 142
 143     aspect(&d_width, &d_height, A_NOZOOM);
 144     vo_dx = (vo_screenwidth - d_width) / 2;
 145     vo_dy = (vo_screenheight - d_height) / 2;
 146     geometry(&vo_dx, &vo_dy, &d_width, &d_height, vo_screenwidth,
 147              vo_screenheight);
 148     vo_dx += xinerama_x;
 149     vo_dy += xinerama_y;
 150     vo_dwidth = d_width;
 151     vo_dheight = d_height;
 152
 153     r = (vo_colorkey & 0x00ff0000) >> 16;
 154     g = (vo_colorkey & 0x0000ff00) >> 8;
 155     b = vo_colorkey & 0x000000ff;
 156     switch (vo_depthonscreen)
 157     {
 158         case 32:
 159             colorkey = vo_colorkey;
 160             break;
 161         case 24:
 162             colorkey = vo_colorkey & 0x00ffffff;
 163             break;
 164         case 16:
 165             colorkey = ((r >> 3) << 11) | ((g >> 2) << 5) | (b >> 3);
 166             break;
 167         case 15:
 168             colorkey = ((r >> 3) << 10) | ((g >> 3) << 5) | (b >> 3);
 169             break;
 170         default:
 171             mp_msg(MSGT_VO, MSGL_ERR,
 172                    "Sorry, this (%d) color depth not supported.\n",
 173                    vo_depthonscreen);
 174             return -1;
 175     }
 176     mp_msg(MSGT_VO, MSGL_V, "Using colorkey: %x\n", colorkey);
 177
 178     initialized = 1;
 179
 180     {
 181         if (flags & VOFLAG_FULLSCREEN)
 182             aspect(&dwidth, &dheight, A_ZOOM);
 183
 184         XGetWindowAttributes(mDisplay, mRootWin, &attribs);
 185         mDepth = attribs.depth;
 186         if (mDepth != 15 && mDepth != 16 && mDepth != 24 && mDepth != 32)
 187             mDepth = 24;
 188         XMatchVisualInfo(mDisplay, mScreen, mDepth, TrueColor, &vinfo);
 189         xWAttribs.colormap =
 190             XCreateColormap(mDisplay, mRootWin, vinfo.visual, AllocNone);
 191         xWAttribs.background_pixel = 0;
 192         xWAttribs.border_pixel = 0;
 193         xswamask = CWBackPixel | CWBorderPixel | CWColormap;
 194
 195             vo_x11_create_vo_window(&vinfo, vo_dx, vo_dy, d_width, d_height,
 196                     flags, xWAttribs.colormap, "xmga", title);
 197             XChangeWindowAttributes(mDisplay, vo_window, xswamask, &xWAttribs);
 198
 199     }
 200
 201     if ((flags & VOFLAG_FULLSCREEN) && (!WinID))
 202     {
 203         vo_dx = 0;
 204         vo_dy = 0;
 205         vo_dwidth = vo_screenwidth;
 206         vo_dheight = vo_screenheight;
 207         vo_fs = 1;
 208     }
 209
 210     panscan_calc();
 211
 212     mga_vid_config.colkey_on = 1;
 213     mga_vid_config.colkey_red = r;
 214     mga_vid_config.colkey_green = g;
 215     mga_vid_config.colkey_blue = b;
 216
 217     set_window();               // set up mga_vid_config.dest_width etc
 218
 219     XSync(mDisplay, False);
 220
 221     ioctl(f, MGA_VID_ON, 0);
 222
 223     return 0;
 224 }
 225
 226 static void uninit(void)
 227 {
 228     mp_msg(MSGT_VO, MSGL_V, "vo: uninit!\n");
 229     mga_uninit();
 230     if (!initialized)
 231         return;                 // no window?
 232     initialized = 0;
 233     vo_x11_uninit();            // destroy the window
 234 }