/*!
Set reading to play an segment (e.g. still frame)
*/
static void
_vcdplayer_set_segment(access_t * p_access, unsigned int num)
{
vcdplayer_t *p_vcdplayer = (vcdplayer_t *)p_access->p_sys;
vcdinfo_obj_t *p_vcdinfo = p_vcdplayer->vcd;
segnum_t i_segs = vcdinfo_get_num_segments(p_vcdinfo);
if (num >= i_segs) {
LOG_ERR("%s %d", "bad segment number", num);
return;
} else {
vcdinfo_itemid_t itemid;
if (VCDINFO_NULL_LSN==p_vcdplayer->i_lsn) {
LOG_ERR("%s %d",
"Error in getting current segment number", num);
return;
}
itemid.num = num;
itemid.type = VCDINFO_ITEM_TYPE_SEGMENT;
VCDSetOrigin(p_access, vcdinfo_get_seg_lsn(p_vcdinfo, num), 0, &itemid);
dbg_print(INPUT_DBG_LSN, "LSN: %u", p_vcdplayer->i_lsn);
}
}
/*****************************************************************************
* VCDSegments: Reads the information about the segments the disc.
*****************************************************************************/
static bool
VCDSegments( access_t * p_access )
{
vcdplayer_t *p_vcdplayer = (vcdplayer_t *) p_access->p_sys;
unsigned int i;
input_title_t *t;
p_vcdplayer->i_segments = vcdinfo_get_num_segments(p_vcdplayer->vcd);
dbg_print( (INPUT_DBG_CALL|INPUT_DBG_MRL),
"Segments: %d", p_vcdplayer->i_segments);
if ( 0 == p_vcdplayer->i_segments ) return false;
t = p_vcdplayer->p_title[p_vcdplayer->i_titles] = vlc_input_title_New();
p_vcdplayer->i_titles++;
t->i_size = 0; /* Not sure Segments have a size associated */
t->psz_name = strdup(_("Segments"));
/* We have one additional segment allocated so we can get the size
by subtracting seg[i+1] - seg[i].
*/
p_vcdplayer->p_segments=malloc(sizeof(lsn_t)*(p_vcdplayer->i_segments+1));
if( p_vcdplayer->p_segments == NULL )
{
LOG_ERR ("not enough memory for segment treatment" );
return false;
}
for( i = 0 ; i < p_vcdplayer->i_segments ; i++ )
{
char psz_segment[100];
seekpoint_t *s = vlc_seekpoint_New();
p_vcdplayer->p_segments[i] = vcdinfo_get_seg_lsn(p_vcdplayer->vcd, i);
snprintf( psz_segment, sizeof(psz_segment), "%s %02d", _("Segment"),
i );
s->i_byte_offset = 0; /* Not sure what this would mean here */
s->psz_name = strdup(psz_segment);
TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
}
p_vcdplayer->p_segments[p_vcdplayer->i_segments] =
p_vcdplayer->p_segments[p_vcdplayer->i_segments-1]+
vcdinfo_get_seg_sector_count(p_vcdplayer->vcd,
p_vcdplayer->i_segments-1);
return true;
}
/*****************************************************************************
* vcd_Open: Opens a VCD device or file initializes, a list of
tracks, segements and entry lsns and sizes and returns an opaque handle.
*****************************************************************************/
static vcdinfo_obj_t *
vcd_Open( vlc_object_t *p_this, const char *psz_dev )
{
access_t *p_access = (access_t *)p_this;
vcdplayer_t *p_vcdplayer = (vcdplayer_t *) p_access->p_sys;
vcdinfo_obj_t *p_vcdobj;
char *actual_dev;
unsigned int i;
dbg_print(INPUT_DBG_CALL, "called with %s", psz_dev);
if( !psz_dev ) return NULL;
actual_dev= ToLocaleDup(psz_dev);
if( vcdinfo_open(&p_vcdobj, &actual_dev, DRIVER_UNKNOWN, NULL) !=
VCDINFO_OPEN_VCD)
{
free(actual_dev);
return NULL;
}
free(actual_dev);
/*
Save summary info on tracks, segments and entries...
*/
if ( 0 < (p_vcdplayer->i_tracks = vcdinfo_get_num_tracks(p_vcdobj)) )
{
p_vcdplayer->track = (vcdplayer_play_item_info_t *)
calloc(p_vcdplayer->i_tracks, sizeof(vcdplayer_play_item_info_t));
for (i=0; i<p_vcdplayer->i_tracks; i++)
{
unsigned int track_num=i+1;
p_vcdplayer->track[i].size =
vcdinfo_get_track_sect_count(p_vcdobj, track_num);
p_vcdplayer->track[i].start_LSN =
vcdinfo_get_track_lsn(p_vcdobj, track_num);
}
} else
p_vcdplayer->track = NULL;
if( 0 < (p_vcdplayer->i_entries = vcdinfo_get_num_entries(p_vcdobj)) )
{
p_vcdplayer->entry = (vcdplayer_play_item_info_t *)
calloc(p_vcdplayer->i_entries, sizeof(vcdplayer_play_item_info_t));
for (i=0; i<p_vcdplayer->i_entries; i++)
{
p_vcdplayer->entry[i].size =
vcdinfo_get_entry_sect_count(p_vcdobj, i);
p_vcdplayer->entry[i].start_LSN =
vcdinfo_get_entry_lsn(p_vcdobj, i);
}
} else
p_vcdplayer->entry = NULL;
if ( 0 < (p_vcdplayer->i_segments = vcdinfo_get_num_segments(p_vcdobj)) )
{
p_vcdplayer->segment = (vcdplayer_play_item_info_t *)
calloc(p_vcdplayer->i_segments, sizeof(vcdplayer_play_item_info_t));
for (i=0; i<p_vcdplayer->i_segments; i++)
{
p_vcdplayer->segment[i].size =
vcdinfo_get_seg_sector_count(p_vcdobj, i);
p_vcdplayer->segment[i].start_LSN =
vcdinfo_get_seg_lsn(p_vcdobj, i);
}
} else
p_vcdplayer->segment = NULL;
return p_vcdobj;
}
