libvo/vo_cvidix.c

   1 /*
   2     VIDIX accelerated overlay on (black) background
   3
   4     should work on any OS
   5
   6     (C) Sascha Sommer
   7
   8
   9 */
  10
  11 #include <stdio.h>
  12 #include <stdlib.h>
  13 #include <string.h>
  14 #include <math.h>
  15 #include <errno.h>
  16
  17 #include "config.h"
  18 #include "video_out.h"
  19 #include "video_out_internal.h"
  20 #include "aspect.h"
  21 #include "geometry.h"
  22
  23 #include "mp_msg.h"
  24
  25 #include "vosub_vidix.h"
  26 #include "vidix/vidix.h"
  27
  28
  29 static const vo_info_t info = {
  30     "console VIDIX",
  31     "cvidix",
  32     "Sascha Sommer",
  33     ""
  34 };
  35
  36 LIBVO_EXTERN(cvidix)
  37
  38 #define UNUSED(x) ((void)(x)) /* Removes warning about unused arguments */
  39
  40 /* VIDIX related */
  41 static char *vidix_name;
  42 static uint32_t swidth,sheight,sformat;
  43 /// center video only when screenw & height are set
  44 static uint32_t center=0;
  45 static vidix_grkey_t gr_key;
  46
  47
  48 static uint32_t setup_vidix(void){
  49   int x=vo_dx,y=vo_dy;
  50   aspect(&vo_dwidth,&vo_dheight,vo_fs ? A_ZOOM : A_NOZOOM);
  51   if(vo_fs || center){
  52     if(vo_dwidth <= vo_screenwidth)x = (vo_screenwidth - vo_dwidth)/2;
  53     else x=0;
  54     if(vo_dheight <= vo_screenheight)y = (vo_screenheight - vo_dheight)/2;
  55     else y=0;
  56   }
  57   if(vo_config_count)vidix_stop();
  58   if(vidix_init(swidth, sheight, x, y, vo_dwidth, vo_dheight, sformat, 32, vo_screenwidth,vo_screenheight)){
  59     mp_msg(MSGT_VO, MSGL_FATAL, "Can't setup VIDIX driver: %s\n", strerror(errno));
  60     return 1;
  61   }
  62   vidix_start();
  63   if(vidix_grkey_support()){
  64     vidix_grkey_get(&gr_key);
  65     gr_key.key_op = KEYS_PUT;
  66     if (!vo_fs && !(vo_colorkey & 0xff000000)){
  67           gr_key.ckey.op = CKEY_TRUE;
  68           gr_key.ckey.red = (vo_colorkey & 0x00FF0000) >> 16;
  69           gr_key.ckey.green = (vo_colorkey & 0x0000FF00) >> 8;
  70           gr_key.ckey.blue = vo_colorkey & 0x000000FF;
  71     }
  72     else gr_key.ckey.op = CKEY_FALSE;
  73     vidix_grkey_set(&gr_key);
  74   }
  75   return 0;
  76 }
  77
  78 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){
  79   vo_fs = flags & VOFLAG_FULLSCREEN;
  80   if(!vo_config_count){
  81     if(vo_screenwidth && vo_screenheight){
  82       if(!vo_geometry)center=1;
  83     }
  84   }
  85   if(!vo_screenwidth){
  86     mp_msg(MSGT_VO, MSGL_WARN, "vo_cvidix: Screen width not set (see -screenw), assuming 640 pixels.\n");
  87     vo_screenwidth = 640;
  88     }
  89   if(!vo_screenheight){
  90     mp_msg(MSGT_VO, MSGL_WARN, "vo_cvidix: Screen height not set (see -screenh), assuming 480 pixels.\n");
  91     vo_screenheight = 480;
  92   }
  93   swidth = width;
  94   sheight = height;
  95   sformat = format;
  96   vo_dwidth=d_width;
  97   vo_dheight=d_height;
  98   aspect_save_orig(width,height);
  99   aspect_save_prescale(d_width,d_height);
 100   aspect_save_screenres(vo_screenwidth,vo_screenheight);
 101   if(!vo_geometry){
 102     vo_dx=0;
 103     vo_dy=0;
 104   }
 105   else geometry(&vo_dx, &vo_dy, &vo_dwidth, &vo_dheight,vo_screenwidth,vo_screenheight);
 106   return setup_vidix();
 107 }
 108
 109 static void check_events(void){
 110 }
 111
 112 /* draw_osd, flip_page, draw_slice, draw_frame should be
 113    overwritten with vidix functions (vosub_vidix.c) */
 114 static void draw_osd(void){
 115   mp_msg(MSGT_VO, MSGL_FATAL, "vo_cvidix: error: didn't use vidix draw_osd!\n");
 116   return;
 117 }
 118
 119 static void flip_page(void){
 120   mp_msg(MSGT_VO, MSGL_FATAL, "vo_cvidix: error: didn't use vidix flip_page!\n");
 121   return;
 122 }
 123
 124 static int draw_slice(uint8_t *src[], int stride[],int w, int h, int x, int y){
 125   UNUSED(src);
 126   UNUSED(stride);
 127   UNUSED(w);
 128   UNUSED(h);
 129   UNUSED(x);
 130   UNUSED(y);
 131   mp_msg(MSGT_VO, MSGL_FATAL, "vo_cvidix: error: didn't use vidix draw_slice!\n");
 132   return -1;
 133 }
 134
 135 static int draw_frame(uint8_t *src[]){
 136   UNUSED(src);
 137   mp_msg(MSGT_VO, MSGL_FATAL, "vo_cvidix: error: didn't use vidix draw_frame!\n");
 138   return -1;
 139 }
 140
 141 static int query_format(uint32_t format){
 142   return vidix_query_fourcc(format);
 143 }
 144
 145 static void uninit(void){
 146   if(!vo_config_count) return;
 147   vidix_term();
 148   if(vidix_name){
 149     free(vidix_name);
 150         vidix_name = NULL;
 151   }
 152 }
 153
 154 static int preinit(const char *arg){
 155   if(arg)vidix_name = strdup(arg);
 156   else {
 157     mp_msg(MSGT_VO, MSGL_INFO, "vo_cvidix: No vidix driver name provided, probing available ones (-v option for details)!\n");
 158         vidix_name = NULL;
 159   }
 160   if (vidix_preinit(vidix_name, video_out_cvidix.old_functions))return 1;
 161   return 0;
 162 }
 163
 164 static int control(uint32_t request, void *data){
 165   switch (request) {
 166   case VOCTRL_QUERY_FORMAT:
 167     return query_format(*((uint32_t*)data));
 168   case VOCTRL_FULLSCREEN:
 169     if(vo_fs)vo_fs=0;
 170     else vo_fs=1;
 171     setup_vidix();
 172     return VO_TRUE;
 173   }
 174   return vidix_control(request, data);
 175 }