static void list_chapters(ifo_handle_t *vts_file, tt_srpt_t *tt_srpt, int title_no)
{
unsigned int i, cell, last_cell;
unsigned int t=0, t2=0;
ptt_info_t *ptt;
pgc_t *pgc;
title_no = tt_srpt->title[title_no].vts_ttn - 1;
if(vts_file->vts_ptt_srpt->title[title_no].nr_of_ptts < 2)
return;
ptt = vts_file->vts_ptt_srpt->title[title_no].ptt;
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "CHAPTERS: ");
for(i=0; i<vts_file->vts_ptt_srpt->title[title_no].nr_of_ptts; i++)
{
pgc = vts_file->vts_pgcit->pgci_srp[ptt[i].pgcn-1].pgc;
cell = pgc->program_map[ptt[i].pgn-1]; //here the cell is 1-based
if(ptt[i].pgn<pgc->nr_of_programs)
last_cell = pgc->program_map[ptt[i].pgn];
else
last_cell = 0;
t2 = t/1000;
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "%02d:%02d:%02d,", t2/3600, (t2/60)%60, t2%60);
do {
if(!(pgc->cell_playback[cell-1].block_type == BLOCK_TYPE_ANGLE_BLOCK &&
pgc->cell_playback[cell-1].block_mode != BLOCK_MODE_FIRST_CELL)
)
t += mp_dvdtimetomsec(&pgc->cell_playback[cell-1].playback_time);
cell++;
} while(cell < last_cell);
}
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "\n");
}
static double dvd_get_current_time(stream_t *stream, int cell)
{
int i, tm;
dvd_priv_t *d = stream->priv;
tm=0;
if(cell < 0) cell=d->cur_cell;
for(i=0; i<cell; i++) {
if(d->cur_pgc->cell_playback[i].block_type == BLOCK_TYPE_ANGLE_BLOCK &&
d->cur_pgc->cell_playback[i].block_mode != BLOCK_MODE_FIRST_CELL
)
continue;
tm += d->cell_times_table[i];
}
tm += mp_dvdtimetomsec(&d->dsi_pack.dsi_gi.c_eltm);
return (double)tm/1000.0;
}
static int mp_get_titleset_length(ifo_handle_t *vts_file, tt_srpt_t *tt_srpt, int title_no)
{
int vts_ttn; ///< title number within video title set
int pgc_no; ///< program chain number
int msec; ///< time length in milliseconds
msec=0;
if(!vts_file || !tt_srpt)
return 0;
if(vts_file->vtsi_mat && vts_file->vts_pgcit)
{
vts_ttn = tt_srpt->title[title_no].vts_ttn - 1;
pgc_no = vts_file->vts_ptt_srpt->title[vts_ttn].ptt[0].pgcn - 1;
msec = mp_dvdtimetomsec(&vts_file->vts_pgcit->pgci_srp[pgc_no].pgc->playback_time);
}
return msec;
}
// p: in=chapter number, out=PTS
static int get_chapter_time(ifo_handle_t *vts_file, tt_srpt_t *tt_srpt, int title_no, double *p)
{
unsigned int i, cell, last_cell;
unsigned int t=0;
ptt_info_t *ptt;
pgc_t *pgc;
title_no = tt_srpt->title[title_no].vts_ttn - 1;
if(vts_file->vts_ptt_srpt->title[title_no].nr_of_ptts < 2)
return 0;
ptt = vts_file->vts_ptt_srpt->title[title_no].ptt;
int cur = 0;
for(i=0; i<vts_file->vts_ptt_srpt->title[title_no].nr_of_ptts; i++)
{
pgc = vts_file->vts_pgcit->pgci_srp[ptt[i].pgcn-1].pgc;
cell = pgc->program_map[ptt[i].pgn-1]; //here the cell is 1-based
if(ptt[i].pgn<pgc->nr_of_programs)
last_cell = pgc->program_map[ptt[i].pgn];
else
last_cell = 0;
while (cell < last_cell) {
if(!(pgc->cell_playback[cell-1].block_type == BLOCK_TYPE_ANGLE_BLOCK &&
pgc->cell_playback[cell-1].block_mode != BLOCK_MODE_FIRST_CELL)
) {
if (cur == *p) {
*p = t / 1000.0;
return 1;
}
t += mp_dvdtimetomsec(&pgc->cell_playback[cell-1].playback_time);
cur++;
}
cell++;
}
}
return 0;
}
static int dvd_seek_to_time(stream_t *stream, ifo_handle_t *vts_file, double sec)
{
unsigned int i, j, k, timeunit, ac_time, tmap_sector=0, cell_sector=0, vobu_sector=0;
int t=0;
double tm, duration;
int64_t pos = -1;
dvd_priv_t *d = stream->priv;
vts_tmapt_t *vts_tmapt = vts_file->vts_tmapt;
if(!vts_file->vts_tmapt || sec < 0)
return 0;
duration = (double) mp_get_titleset_length(d->vts_file, d->tt_srpt, d->cur_title) / 1000.0f;
if(sec > duration)
return 0;
i=d->cur_pgc_idx;
timeunit = vts_tmapt->tmap[i].tmu;
for(j = 0; j < vts_tmapt->tmap[i].nr_of_entries; j++) {
ac_time = timeunit * (j + 1);
if(ac_time >= sec)
break;
tmap_sector = vts_tmapt->tmap[i].map_ent[j] & 0x7fffffff;
}
//search enclosing cell
for(i=0; i<d->cur_pgc->nr_of_cells; i++) {
if(tmap_sector >= d->cur_pgc->cell_playback[i].first_sector && tmap_sector <= d->cur_pgc->cell_playback[i].last_sector) {
cell_sector = d->cur_pgc->cell_playback[i].first_sector;
break;
}
}
pos = ((int64_t)cell_sector)<<11;
do_seek(stream, pos);
do {
char buf[2048];
if (dvd_read_sector(stream, stream->priv, buf) < 0) // skip
break;
t = mp_dvdtimetomsec(&d->dsi_pack.dsi_gi.c_eltm);
} while(!t);
tm = dvd_get_current_time(stream, -1);
pos = ((int64_t)tmap_sector)<<11;
do_seek(stream, pos);
//now get current time in terms of the cell+cell time offset
memset(&d->dsi_pack.dsi_gi.c_eltm, 0, sizeof(dvd_time_t));
while(tm <= sec) {
char buf[2048];
if (dvd_read_sector(stream, stream->priv, buf) < 0) // skip
break;
pos += 2048;
tm = dvd_get_current_time(stream, -1);
};
tmap_sector = pos >> 11;
//search closest VOBU sector
k=(vts_file->vts_vobu_admap->last_byte + 1 - VOBU_ADMAP_SIZE)/4; //entries in the vobu admap
for(i=1; i<k; i++) {
if(vts_file->vts_vobu_admap->vobu_start_sectors[i] > tmap_sector)
break;
}
vobu_sector = vts_file->vts_vobu_admap->vobu_start_sectors[i-1];
pos = ((int64_t)vobu_sector) << 11;
do_seek(stream, pos);
return 1;
}
static int dvdnav_stream_read(dvdnav_priv_t * priv, unsigned char *buf, int *len) {
int event = DVDNAV_NOP;
*len=-1;
if (dvdnav_get_next_block(priv->dvdnav,buf,&event,len)!=DVDNAV_STATUS_OK) {
mp_msg(MSGT_OPEN,MSGL_V, "Error getting next block from DVD %d (%s)\n",event, dvdnav_err_to_string(priv->dvdnav) );
*len=-1;
}
else if (event!=DVDNAV_BLOCK_OK) {
// need to handle certain events internally (like skipping stills)
switch (event) {
case DVDNAV_NAV_PACKET:
return event;
case DVDNAV_STILL_FRAME: {
dvdnav_still_event_t *still_event = (dvdnav_still_event_t *) buf;
priv->still_length = still_event->length;
/* set still frame duration */
priv->duration = dvdnav_get_duration (priv->still_length);
if (priv->still_length <= 1) {
pci_t *pnavpci = dvdnav_get_current_nav_pci (priv->dvdnav);
priv->duration = mp_dvdtimetomsec (&pnavpci->pci_gi.e_eltm);
}
break;
}
case DVDNAV_HIGHLIGHT: {
dvdnav_get_highlight (priv, 1);
break;
}
case DVDNAV_CELL_CHANGE: {
dvdnav_cell_change_event_t *ev = (dvdnav_cell_change_event_t*)buf;
uint32_t nextstill;
priv->state &= ~NAV_FLAG_WAIT_SKIP;
priv->state |= NAV_FLAG_STREAM_CHANGE;
if(ev->pgc_length)
priv->duration = ev->pgc_length/90;
if (dvdnav_is_domain_vts(priv->dvdnav)) {
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "DVDNAV_TITLE_IS_MOVIE\n");
priv->state &= ~NAV_FLAG_VTS_DOMAIN;
} else {
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "DVDNAV_TITLE_IS_MENU\n");
priv->state |= NAV_FLAG_VTS_DOMAIN;
}
nextstill = dvdnav_get_next_still_flag (priv->dvdnav);
if (nextstill) {
priv->duration = dvdnav_get_duration (nextstill);
priv->still_length = nextstill;
if (priv->still_length <= 1) {
pci_t *pnavpci = dvdnav_get_current_nav_pci (priv->dvdnav);
priv->duration = mp_dvdtimetomsec (&pnavpci->pci_gi.e_eltm);
}
}
break;
}
case DVDNAV_SPU_CLUT_CHANGE: {
memcpy(priv->spu_clut, buf, 16*sizeof(unsigned int));
priv->state |= NAV_FLAG_SPU_SET;
break;
}
case DVDNAV_WAIT: {
if ((priv->state & NAV_FLAG_WAIT_SKIP) &&
!(priv->state & NAV_FLAG_WAIT))
dvdnav_wait_skip (priv->dvdnav);
else
priv->state |= NAV_FLAG_WAIT;
break;
}
case DVDNAV_VTS_CHANGE: {
priv->state &= ~NAV_FLAG_WAIT_SKIP;
priv->state |= NAV_FLAG_STREAM_CHANGE;
break;
}
case DVDNAV_SPU_STREAM_CHANGE: {
priv->state |= NAV_FLAG_STREAM_CHANGE;
break;
}
}
*len=0;
}
return event;
}
