ID3V2::ID3V2(FXuchar *b,FXint len) : buffer(b),size(len),p(0),padstart(0),padend(0),length(-1) {
const FXchar & flags = buffer[5];
version = buffer[3];
GM_DEBUG_PRINT("[id3v2] version %d\n",version);
buffer+=10;
size-=10;
/// we can skip the footer
if (version>=4 && flags&HAS_FOOTER)
size-=10;
/// Apply unsync, according to spec 2.3, the extended header also needs unsyncing
if (flags&HAS_UNSYNC) {
unsync(buffer,size);
}
/// skip the extended header
if (version>=3 && flags&HAS_EXTENDED_HEADER) {
FXint header_size;
if (version==3)
header_size = ID3_INT32(buffer);
else
header_size = ID3_SYNCSAFE_INT32(buffer);
buffer+=header_size;
}
/// Parse
p=0;
while(p<size)
parse_frame();
}
/*
* Locks or unlocks the current state of the window tree while an
* application is responding to a window update message in his message
* pipe or is making some other direct screen update based on his current
* rectangle list.
*/
void wm_update(WORD beg_update)
{
if ( beg_update < 2)
{
if ( beg_update )
{
if ( !tak_flag(&wind_spb) )
ev_block(MU_MUTEX, (LONG)&wind_spb);
}
else
unsync(&wind_spb);
}
else
{
beg_update -= 2;
fm_own( beg_update );
}
}
void sh_ldapp()
{
WORD ret, badtry, retry;
SHELL *psh;
psh = &sh[rlr->p_pid];
strcpy(sh_apdir, D.s_cdir); /* initialize sh_apdir */
badtry = 0;
/* Set default DESKTOP if there isn't any yet: */
if(psh->sh_desk[0] == 0)
{
strcpy(&psh->sh_desk[0], DEF_DESKTOP);
strcpy(&psh->sh_cdir[0], &D.s_cdir[0]);
}
do
{
sh_chdef(psh);
/* set up so that we */
/* will exec the */
/* default next time */
/* unless the */
/* application does */
/* a set command */
psh->sh_dodef = TRUE;
/* init graph/char mode */
sh_chgrf(psh);
if (gl_shgem)
{
wm_start();
ratinit();
}
/* fix up/parse cmd tail*/
sh_fixtail(psh->sh_fullstep == 2);
sh_draw(D.s_cmd, 0, 0); /* redraw the desktop */
/* clear his desk field */
desk_tree[rlr->p_pid] = 0x0L;
/* exec it */
/* handle bad try msg */
if (badtry)
{
ret = fm_show(badtry, NULLPTR, 1);
if (badtry == ALNOFIT)
break;
badtry = 0;
}
do
{
retry = FALSE;
Dprintf(("sh_ldapp: Starting %s\n", D.s_cmd));
if(psh->sh_isdef && strcmp(D.s_cmd, DEF_DESKTOP) == 0)
{
/* Start the ROM desktop: */
sh_show(D.s_cmd);
p_nameit(rlr, sh_name(&D.s_cmd[0]));
p_setappdir(rlr, D.s_cmd);
aes_run_rom_program(deskstart);
}
#if WITH_CLI != 0
else if(strcmp(D.s_cmd, "EMUCON") == 0)
{
/* start the EmuCON shell: */
aes_run_rom_program(coma_start);
}
#endif
else if ( sh_find(D.s_cmd) )
{
/* Run a normal application: */
sh_show(D.s_cmd);
p_nameit(rlr, sh_name(&D.s_cmd[0]));
p_setappdir(rlr, D.s_cmd);
if (psh->sh_fullstep == 0)
{
dos_exec(0, D.s_cmd, ad_stail, ad_envrn); /* Run the APP */
/* If the user ran an alternative desktop and quitted it,
return now to the default desktop: (experimental) */
if(psh->sh_isdef && psh->sh_dodef)
{
Dprintf(("sh_ldapp: Returning to ROM desktop!\n"));
strcpy(&psh->sh_desk[0], DEF_DESKTOP);
strcpy(&psh->sh_cdir[0], &D.s_cdir[0]);
}
}
else if (psh->sh_fullstep == 1)
{
dos_exec(0, D.s_cmd, ad_stail, ad_envrn);
DOS_ERR = psh->sh_doexec = FALSE;
}
if (DOS_ERR)
badtry = (psh->sh_isdef) ? ALNOFIT : AL08ERR;
/* 02/11/86 LKW begin */
if (wind_spb.sy_owner == rlr) /* if he still owns screen*/
unsync(&wind_spb); /* then take him off. */
/* 02/11/86 LKW end */
}
else
{
if ( (gl_shgem) &&
(psh->sh_isdef) )
{
ret = fm_show(ALOKDESK, NULLPTR, 1);
if (ret == 1)
retry = TRUE;
else
retry = psh->sh_doexec = FALSE;
}
else
badtry = AL18ERR;
}
} while (retry && !badtry);
desk_tree[rlr->p_pid] = 0x0L; /* clear his desk field */
} while(psh->sh_doexec && !gl_changerez);
}
