libvo/vo_cvidix.c

   1 /*
   2  * VIDIX-accelerated overlay on (black) background
   3  *
   4  * should work on any OS
   5  *
   6  * copyright (C) 2003 Sascha Sommer
   7  *
   8  * This file is part of MPlayer.
   9  *
  10  * MPlayer is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * MPlayer is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License along
  21  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  22  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  23  */
  24
  25 #include <stdio.h>
  26 #include <stdlib.h>
  27 #include <string.h>
  28 #include <math.h>
  29 #include <errno.h>
  30
  31 #include "config.h"
  32 #include "video_out.h"
  33 #include "video_out_internal.h"
  34 #include "aspect.h"
  35 #include "geometry.h"
  36
  37 #include "mp_msg.h"
  38
  39 #include "vosub_vidix.h"
  40 #include "vidix/vidix.h"
  41
  42
  43 static const vo_info_t info = {
  44     "console VIDIX",
  45     "cvidix",
  46     "Sascha Sommer",
  47     ""
  48 };
  49
  50 LIBVO_EXTERN(cvidix)
  51
  52 #define UNUSED(x) ((void)(x)) /* Removes warning about unused arguments */
  53
  54 /* VIDIX related */
  55 static char *vidix_name;
  56 static uint32_t swidth,sheight,sformat;
  57 /// center video only when screenw & height are set
  58 static uint32_t center=0;
  59 static vidix_grkey_t gr_key;
  60
  61
  62 static uint32_t setup_vidix(void){
  63   int x=vo_dx,y=vo_dy;
  64   aspect(&vo_dwidth,&vo_dheight,vo_fs ? A_ZOOM : A_NOZOOM);
  65   if(vo_fs || center){
  66     if(vo_dwidth <= vo_screenwidth)x = (vo_screenwidth - vo_dwidth)/2;
  67     else x=0;
  68     if(vo_dheight <= vo_screenheight)y = (vo_screenheight - vo_dheight)/2;
  69     else y=0;
  70   }
  71   if(vo_config_count)vidix_stop();
  72   if(vidix_init(swidth, sheight, x, y, vo_dwidth, vo_dheight, sformat, 32, vo_screenwidth,vo_screenheight)){
  73     mp_msg(MSGT_VO, MSGL_FATAL, "Can't setup VIDIX driver: %s\n", strerror(errno));
  74     return 1;
  75   }
  76   vidix_start();
  77   if(vidix_grkey_support()){
  78     vidix_grkey_get(&gr_key);
  79     gr_key.key_op = KEYS_PUT;
  80     if (!vo_fs && !(vo_colorkey & 0xff000000)){
  81           gr_key.ckey.op = CKEY_TRUE;
  82           gr_key.ckey.red = (vo_colorkey & 0x00FF0000) >> 16;
  83           gr_key.ckey.green = (vo_colorkey & 0x0000FF00) >> 8;
  84           gr_key.ckey.blue = vo_colorkey & 0x000000FF;
  85     }
  86     else gr_key.ckey.op = CKEY_FALSE;
  87     vidix_grkey_set(&gr_key);
  88   }
  89   return 0;
  90 }
  91
  92 static int config(uint32_t width, uint32_t height, uint32_t d_width,uint32_t d_height, uint32_t flags, char *title, uint32_t format){
  93   vo_fs = flags & VOFLAG_FULLSCREEN;
  94   if(!vo_config_count){
  95     if(vo_screenwidth && vo_screenheight){
  96       if(!vo_geometry)center=1;
  97     }
  98   }
  99   if(!vo_screenwidth){
 100     mp_msg(MSGT_VO, MSGL_WARN, "vo_cvidix: Screen width not set (see -screenw), assuming 640 pixels.\n");
 101     vo_screenwidth = 640;
 102     }
 103   if(!vo_screenheight){
 104     mp_msg(MSGT_VO, MSGL_WARN, "vo_cvidix: Screen height not set (see -screenh), assuming 480 pixels.\n");
 105     vo_screenheight = 480;
 106   }
 107   swidth = width;
 108   sheight = height;
 109   sformat = format;
 110   vo_dwidth=d_width;
 111   vo_dheight=d_height;
 112   aspect_save_orig(width,height);
 113   aspect_save_prescale(d_width,d_height);
 114   aspect_save_screenres(vo_screenwidth,vo_screenheight);
 115   if(!vo_geometry){
 116     vo_dx=0;
 117     vo_dy=0;
 118   }
 119   else geometry(&vo_dx, &vo_dy, &vo_dwidth, &vo_dheight,vo_screenwidth,vo_screenheight);
 120   return setup_vidix();
 121 }
 122
 123 static void check_events(void){
 124 }
 125
 126 /* draw_osd, flip_page, draw_slice, draw_frame should be
 127    overwritten with vidix functions (vosub_vidix.c) */
 128 static void draw_osd(void){
 129   mp_msg(MSGT_VO, MSGL_FATAL, "vo_cvidix: error: didn't use vidix draw_osd!\n");
 130   return;
 131 }
 132
 133 static void flip_page(void){
 134   mp_msg(MSGT_VO, MSGL_FATAL, "vo_cvidix: error: didn't use vidix flip_page!\n");
 135   return;
 136 }
 137
 138 static int draw_slice(uint8_t *src[], int stride[],int w, int h, int x, int y){
 139   UNUSED(src);
 140   UNUSED(stride);
 141   UNUSED(w);
 142   UNUSED(h);
 143   UNUSED(x);
 144   UNUSED(y);
 145   mp_msg(MSGT_VO, MSGL_FATAL, "vo_cvidix: error: didn't use vidix draw_slice!\n");
 146   return -1;
 147 }
 148
 149 static int draw_frame(uint8_t *src[]){
 150   UNUSED(src);
 151   mp_msg(MSGT_VO, MSGL_FATAL, "vo_cvidix: error: didn't use vidix draw_frame!\n");
 152   return -1;
 153 }
 154
 155 static int query_format(uint32_t format){
 156   return vidix_query_fourcc(format);
 157 }
 158
 159 static void uninit(void){
 160   if(!vo_config_count) return;
 161   vidix_term();
 162   if(vidix_name){
 163     free(vidix_name);
 164         vidix_name = NULL;
 165   }
 166 }
 167
 168 static int preinit(const char *arg){
 169   if(arg)vidix_name = strdup(arg);
 170   else {
 171     mp_msg(MSGT_VO, MSGL_INFO, "vo_cvidix: No vidix driver name provided, probing available ones (-v option for details)!\n");
 172         vidix_name = NULL;
 173   }
 174   if (vidix_preinit(vidix_name, video_out_cvidix.old_functions))return 1;
 175   return 0;
 176 }
 177
 178 static int control(uint32_t request, void *data){
 179   switch (request) {
 180   case VOCTRL_QUERY_FORMAT:
 181     return query_format(*((uint32_t*)data));
 182   case VOCTRL_FULLSCREEN:
 183     if(vo_fs)vo_fs=0;
 184     else vo_fs=1;
 185     setup_vidix();
 186     return VO_TRUE;
 187   }
 188   return vidix_control(request, data);
 189 }