Image *load(char *path, int index, int *nframes)
{
static video_t *v=NULL;
Image *im=NULL;
if(index>=0)
{ if(!v) TRY(v=video_open(path),ErrorOpen);
if(nframes) *nframes=video_frame_count(v);
TRY(im=video_get(v,index,1),ErrorRead);
} else
{ if(v) video_close(&v);
}
return im;
ErrorRead:
video_close(&v);
return NULL;
ErrorOpen:
return NULL;
}
/*
* DANG_BEGIN_FUNCTION video_init
*
* description:
* Set pointer to correct structure of functions to initialize, close,
* etc... video routines.
*
* DANG_END_FUNCTION
*/
static int video_init(void)
{
if ((config.vga == -1 || config.console_video == -1) && using_kms())
{
config.vga = config.console_video = config.mapped_bios = config.pci_video = 0;
warn("KMS detected: using SDL mode.\n");
load_plugin("sdl");
Video = video_get("sdl");
if (Video)
config.X = 1;
}
#if defined(USE_DL_PLUGINS)
if (!config.X)
load_plugin("console");
#endif
/* figure out which video front end we are to use */
if (no_real_terminal() || config.dumb_video || config.cardtype == CARD_NONE) {
v_printf("VID: Video set to Video_none\n");
config.cardtype = CARD_NONE;
config.X = config.console_video = config.mapped_bios = config.vga = 0;
Video=&Video_none;
}
else if (config.X) {
/* already initialized */
}
else if (config.vga) {
v_printf("VID: Video set to Video_graphics\n");
Video = video_get("graphics");
}
else if (config.console_video) {
if (config.cardtype == CARD_MDA)
{
v_printf("VID: Video set to Video_hgc\n");
Video = video_get("hgc");
}
else
{
v_printf("VID: Video set to Video_console\n");
Video = video_get("console");
}
}
else {
#if defined(USE_DL_PLUGINS) && defined(USE_SLANG)
if (!load_plugin("term")) {
error("Terminal (S-Lang library) support not compiled in.\n"
"Install slang-devel and recompile, use xdosemu or console "
"dosemu (needs root) instead.\n");
/* too early to call leavedos */
exit(1);
}
v_printf("VID: Video set to Video_term\n");
Video = video_get("term"); /* S-Lang */
#endif
}
if (Video->priv_init)
Video->priv_init(); /* call the specific init routine */
#if VIDEO_CHECK_DIRTY
if (!config_dualmon) {
vm86s.flags |= VM86_SCREEN_BITMAP;
}
#endif
return 0;
}
