static void _fill_clip(NAV_TITLE *title,
MPLS_CLIP *mpls_clip,
uint8_t connection_condition, uint32_t in_time, uint32_t out_time,
unsigned pi_angle_count,
NAV_CLIP *clip,
unsigned ref, uint32_t *pos, uint32_t *time)
{
char *path;
clip->title = title;
clip->ref = ref;
if (title->angle >= pi_angle_count) {
clip->angle = 0;
} else {
clip->angle = title->angle;
}
strncpy(clip->name, mpls_clip[clip->angle].clip_id, 5);
strncpy(&clip->name[5], ".m2ts", 6);
clip->clip_id = atoi(mpls_clip[clip->angle].clip_id);
path = str_printf("%s"DIR_SEP"BDMV"DIR_SEP"CLIPINF"DIR_SEP"%s.clpi",
title->root, mpls_clip[clip->angle].clip_id);
clpi_free(clip->cl);
clip->cl = clpi_parse(path, 0);
X_FREE(path);
if (clip->cl == NULL) {
clip->start_pkt = 0;
clip->end_pkt = 0;
return;
}
switch (connection_condition) {
case 5:
case 6:
clip->start_pkt = 0;
clip->connection = CONNECT_SEAMLESS;
break;
default:
if (ref) {
clip->start_pkt = clpi_lookup_spn(clip->cl, in_time, 1,
mpls_clip[clip->angle].stc_id);
} else {
clip->start_pkt = 0;
}
clip->connection = CONNECT_NON_SEAMLESS;
break;
}
clip->end_pkt = clpi_lookup_spn(clip->cl, out_time, 0,
mpls_clip[clip->angle].stc_id);
clip->in_time = in_time;
clip->out_time = out_time;
clip->pos = *pos;
*pos += clip->end_pkt - clip->start_pkt;
clip->start_time = *time;
*time += clip->out_time - clip->in_time;
}
// Search for random access point closest to the requested time
// Time is in 45khz ticks
NAV_CLIP* nav_time_search(NAV_TITLE *title, uint32_t tick, uint32_t *clip_pkt, uint32_t *out_pkt)
{
uint32_t pos, len;
MPLS_PI *pi;
NAV_CLIP *clip;
unsigned ii;
pos = 0;
for (ii = 0; ii < title->pl->list_count; ii++) {
pi = &title->pl->play_item[ii];
len = pi->out_time - pi->in_time;
if (tick < pos + len)
break;
pos += len;
}
if (ii == title->pl->list_count) {
clip = &title->clip_list.clip[ii-1];
*clip_pkt = clip->end_pkt;
} else {
clip = &title->clip_list.clip[ii];
if (clip->cl != NULL) {
*clip_pkt = clpi_lookup_spn(clip->cl, tick - pos + pi->in_time, 1,
title->pl->play_item[clip->ref].clip[clip->angle].stc_id);
} else {
*clip_pkt = clip->start_pkt;
}
}
*out_pkt = clip->pos + *clip_pkt - clip->start_pkt;
return clip;
}
static void
_fill_mark(NAV_TITLE *title, NAV_MARK *mark, int entry)
{
MPLS_PL *pl = title->pl;
MPLS_PLM *plm;
MPLS_PI *pi;
NAV_CLIP *clip;
plm = &pl->play_mark[entry];
mark->plm = plm;
mark->mark_type = plm->mark_type;
mark->clip_ref = plm->play_item_ref;
clip = &title->clip_list.clip[mark->clip_ref];
if (clip->cl != NULL) {
mark->clip_pkt = clpi_lookup_spn(clip->cl, plm->time, 1,
title->pl->play_item[mark->clip_ref].clip[title->angle].stc_id);
} else {
mark->clip_pkt = clip->start_pkt;
}
mark->title_pkt = clip->title_pkt + mark->clip_pkt;
mark->clip_time = plm->time;
// Calculate start of mark relative to beginning of playlist
if (plm->play_item_ref < title->clip_list.count) {
clip = &title->clip_list.clip[plm->play_item_ref];
pi = &pl->play_item[plm->play_item_ref];
mark->title_time = clip->title_time + plm->time - pi->in_time;
}
}
// Search for random access point closest to the requested time
// Time is in 45khz ticks relative to the beginning of a specific clip
void nav_clip_time_search(NAV_CLIP *clip, uint32_t tick, uint32_t *clip_pkt, uint32_t *out_pkt)
{
if (tick >= clip->out_time) {
*clip_pkt = clip->end_pkt;
} else {
if (clip->cl != NULL) {
*clip_pkt = clpi_lookup_spn(clip->cl, tick, 1,
clip->title->pl->play_item[clip->ref].clip[clip->angle].stc_id);
} else {
*clip_pkt = clip->start_pkt;
}
}
*out_pkt = clip->pos + *clip_pkt - clip->start_pkt;
}
// Search for random access point closest to the requested time
// Time is in 45khz ticks
NAV_CLIP* nav_time_search(NAV_TITLE *title, uint32_t tick, uint32_t *clip_pkt, uint32_t *out_pkt)
{
uint32_t pos, len;
MPLS_PI *pi = NULL;
NAV_CLIP *clip;
unsigned ii;
if (!title->pl) {
BD_DEBUG(DBG_NAV | DBG_CRIT, "Time search failed (title not opened)\n");
return NULL;
}
if (title->pl->list_count < 1) {
BD_DEBUG(DBG_NAV | DBG_CRIT, "Time search failed (empty playlist)\n");
return NULL;
}
pos = 0;
for (ii = 0; ii < title->pl->list_count; ii++) {
pi = &title->pl->play_item[ii];
len = pi->out_time - pi->in_time;
if (tick < pos + len)
break;
pos += len;
}
if (ii == title->pl->list_count) {
clip = &title->clip_list.clip[ii-1];
*clip_pkt = clip->end_pkt;
} else {
clip = &title->clip_list.clip[ii];
if (clip->cl != NULL) {
*clip_pkt = clpi_lookup_spn(clip->cl, tick - pos + pi->in_time, 1,
title->pl->play_item[clip->ref].clip[clip->angle].stc_id);
if (*clip_pkt < clip->start_pkt) {
*clip_pkt = clip->start_pkt;
}
} else {
*clip_pkt = clip->start_pkt;
}
}
*out_pkt = clip->title_pkt + *clip_pkt - clip->start_pkt;
return clip;
}
NAV_CLIP* nav_set_angle(NAV_TITLE *title, NAV_CLIP *clip, unsigned angle)
{
char *path;
int ii;
uint32_t pos = 0;
uint32_t time = 0;
if (title == NULL) {
return clip;
}
if (angle > 8) {
// invalid angle
return clip;
}
if (angle == title->angle) {
// no change
return clip;
}
title->angle = angle;
// Find length in packets and end_pkt for each clip
title->packets = 0;
for (ii = 0; ii < title->pl->list_count; ii++) {
MPLS_PI *pi;
NAV_CLIP *clip;
pi = &title->pl->play_item[ii];
clip = &title->clip_list.clip[ii];
if (title->angle >= pi->angle_count) {
clip->angle = 0;
} else {
clip->angle = title->angle;
}
clpi_free(clip->cl);
clip->ref = ii;
strncpy(clip->name, pi->clip[clip->angle].clip_id, 5);
strncpy(&clip->name[5], ".m2ts", 6);
clip->clip_id = atoi(pi->clip[clip->angle].clip_id);
path = str_printf("%s"DIR_SEP"BDMV"DIR_SEP"CLIPINF"DIR_SEP"%s.clpi",
title->root, pi->clip[clip->angle].clip_id);
clip->cl = clpi_parse(path, 0);
X_FREE(path);
if (clip->cl == NULL) {
clip->start_pkt = 0;
clip->end_pkt = 0;
continue;
}
switch (pi->connection_condition) {
case 5:
case 6:
clip->start_pkt = 0;
clip->connection = CONNECT_SEAMLESS;
break;
default:
clip->start_pkt = clpi_lookup_spn(clip->cl, pi->in_time, 1,
pi->clip[clip->angle].stc_id);
clip->connection = CONNECT_NON_SEAMLESS;
break;
}
clip->end_pkt = clpi_lookup_spn(clip->cl, pi->out_time, 0,
pi->clip[clip->angle].stc_id);
clip->in_time = pi->in_time;
clip->out_time = pi->out_time;
clip->pos = pos;
pos += clip->end_pkt - clip->start_pkt;
clip->start_time = time;
time += clip->out_time - clip->in_time;
}
_extrapolate_title(title);
return clip;
}