/*
Sets start origin for subsequent seeks/reads
*/
void
VCDSetOrigin( access_t *p_access, lsn_t i_lsn, track_t i_track,
const vcdinfo_itemid_t *p_itemid )
{
vcdplayer_t *p_vcdplayer= (vcdplayer_t *)p_access->p_sys;
dbg_print( (INPUT_DBG_CALL|INPUT_DBG_LSN),
"i_lsn: %lu, track: %d", (long unsigned int) i_lsn, i_track );
vcdplayer_set_origin(p_access, i_lsn, i_track, p_itemid);
switch (p_vcdplayer->play_item.type)
{
case VCDINFO_ITEM_TYPE_ENTRY:
VCDUpdateVar( p_access, p_itemid->num, VLC_VAR_SETVALUE,
"chapter", _("Entry"), "Setting entry/segment");
p_vcdplayer->i_cur_title = i_track - 1;
p_vcdplayer->i_cur_chapter = p_itemid->num;
break;
case VCDINFO_ITEM_TYPE_SEGMENT:
VCDUpdateVar( p_access, p_itemid->num, VLC_VAR_SETVALUE,
"chapter", _("Segment"), "Setting entry/segment");
/* The last title entry is the for segments (when segments exist
and they must here. The segment seekpoints are stored after
the entry seekpoints and (zeroed) lid seekpoints.
*/
p_vcdplayer->i_cur_title = p_vcdplayer->i_titles - 1;
p_vcdplayer->i_cur_chapter = p_vcdplayer->i_entries
+ p_vcdplayer->i_lids + p_itemid->num;
break;
case VCDINFO_ITEM_TYPE_TRACK:
p_vcdplayer->i_cur_title = i_track - 1;
p_vcdplayer->i_cur_chapter = vcdinfo_track_get_entry(p_vcdplayer->vcd,
i_track);
break;
default:
msg_Warn( p_access, "can't set origin for play type %d",
p_vcdplayer->play_item.type );
}
VCDUpdateTitle( p_access );
}
/*
Sets start origin for subsequent seeks/reads
*/
void
VCDSetOrigin( access_t *p_access, lsn_t i_lsn, track_t i_track,
const vcdinfo_itemid_t *p_itemid )
{
vcdplayer_t *p_vcdplayer= (vcdplayer_t *)p_access->p_sys;
dbg_print( (INPUT_DBG_CALL|INPUT_DBG_LSN),
"i_lsn: %lu, track: %d", (long unsigned int) i_lsn, i_track );
vcdplayer_set_origin(p_access, i_lsn, i_track, p_itemid);
switch (p_vcdplayer->play_item.type)
{
case VCDINFO_ITEM_TYPE_ENTRY:
VCDUpdateVar( p_access, p_itemid->num, VLC_VAR_SETVALUE,
"chapter", _("Entry"), "Setting entry/segment");
p_access->info.i_title = i_track-1;
if (p_vcdplayer->b_track_length)
{
p_vcdplayer->size = p_vcdplayer->p_title[i_track-1]->i_size;
p_access->info.i_pos = (uint64_t) M2F2_SECTOR_SIZE *
(vcdinfo_get_track_lsn(p_vcdplayer->vcd, i_track)-i_lsn);
} else {
p_vcdplayer->size = M2F2_SECTOR_SIZE * (int64_t)
vcdinfo_get_entry_sect_count(p_vcdplayer->vcd,p_itemid->num);
p_access->info.i_pos = 0;
}
dbg_print( (INPUT_DBG_LSN|INPUT_DBG_PBC), "size: %"PRIu64", pos: %"PRIu64,
p_vcdplayer->size, p_access->info.i_pos );
p_access->info.i_seekpoint = p_itemid->num;
break;
case VCDINFO_ITEM_TYPE_SEGMENT:
VCDUpdateVar( p_access, p_itemid->num, VLC_VAR_SETVALUE,
"chapter", _("Segment"), "Setting entry/segment");
/* The last title entry is the for segments (when segments exist
and they must here. The segment seekpoints are stored after
the entry seekpoints and (zeroed) lid seekpoints.
*/
p_access->info.i_title = p_vcdplayer->i_titles - 1;
p_vcdplayer->size = 0; /* No seeking on stills, please. */
p_access->info.i_pos = 0;
p_access->info.i_seekpoint = p_vcdplayer->i_entries
+ p_vcdplayer->i_lids + p_itemid->num;
break;
case VCDINFO_ITEM_TYPE_TRACK:
p_access->info.i_title = i_track-1;
p_vcdplayer->size = p_vcdplayer->p_title[i_track-1]->i_size;
p_access->info.i_pos = 0;
p_access->info.i_seekpoint = vcdinfo_track_get_entry(p_vcdplayer->vcd,
i_track);
break;
default:
msg_Warn( p_access, "can't set origin for play type %d",
p_vcdplayer->play_item.type );
}
p_access->info.i_update = INPUT_UPDATE_TITLE|INPUT_UPDATE_SEEKPOINT;
VCDUpdateTitle( p_access );
}
/****************************************************************************
* VCDSeek
****************************************************************************/
int
VCDSeek( access_t * p_access, uint64_t i_pos )
{
if (!p_access || !p_access->p_sys) return VLC_EGENERIC;
{
vcdplayer_t *p_vcdplayer = (vcdplayer_t *)p_vcd_access->p_sys;
const input_title_t *t = p_vcdplayer->p_title[p_access->info.i_title];
unsigned int i_entry = VCDINFO_INVALID_ENTRY;
int i_seekpoint;
/* Next sector to read */
p_access->info.i_pos = i_pos;
p_vcdplayer->i_lsn = (i_pos / (uint64_t) M2F2_SECTOR_SIZE) +
p_vcdplayer->origin_lsn;
switch (p_vcdplayer->play_item.type)
{
case VCDINFO_ITEM_TYPE_TRACK:
case VCDINFO_ITEM_TYPE_ENTRY:
break;
default:
p_vcdplayer->b_valid_ep = false;
break;
}
/* Find entry */
if( p_vcdplayer->b_valid_ep )
{
for( i_entry = 0 ; i_entry < p_vcdplayer->i_entries ; i_entry ++ )
{
if( p_vcdplayer->i_lsn < p_vcdplayer->p_entries[i_entry] )
{
VCDUpdateVar( p_access, i_entry, VLC_VAR_SETVALUE,
"chapter", _("Entry"), "Setting entry" );
break;
}
}
{
vcdinfo_itemid_t itemid;
itemid.num = i_entry;
itemid.type = VCDINFO_ITEM_TYPE_ENTRY;
VCDSetOrigin(p_access, p_vcdplayer->i_lsn,
p_vcdplayer->i_track, &itemid);
}
}
dbg_print( (INPUT_DBG_CALL|INPUT_DBG_EXT|INPUT_DBG_SEEK),
"orig %lu, cur: %lu, offset: %"PRIi64", entry %d",
(long unsigned int) p_vcdplayer->origin_lsn,
(long unsigned int) p_vcdplayer->i_lsn, i_pos,
i_entry );
/* Find seekpoint */
for( i_seekpoint = 0; i_seekpoint < t->i_seekpoint; i_seekpoint++ )
{
if( i_seekpoint + 1 >= t->i_seekpoint ) break;
if( i_pos < t->seekpoint[i_seekpoint + 1]->i_byte_offset ) break;
}
/* Update current seekpoint */
if( i_seekpoint != p_access->info.i_seekpoint )
{
dbg_print( (INPUT_DBG_SEEK), "seekpoint change %lu",
(long unsigned int) i_seekpoint );
p_access->info.i_update |= INPUT_UPDATE_SEEKPOINT;
p_access->info.i_seekpoint = i_seekpoint;
}
}
p_access->info.b_eof = false;
return VLC_SUCCESS;
}
