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implement STREAM_CTRL_GET_TIME_LENGTH to return the duration of the dvd currently playing

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@17699 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
nicodvb 2006-02-27 21:11:28 +00:00
parent e9632a768b
commit f380dd575b
1 changed files with 60 additions and 19 deletions
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79
libmpdemux/stream_dvd.c
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@ -432,6 +432,63 @@ static int dvdtimetomsec(dvd_time_t *dt)
return msec;
}
static int mp_get_titleset_length(ifo_handle_t *vts_file, tt_srpt_t *tt_srpt, int vts_no, int title_no)
{
int vts_ttn; ///< title number within video title set
int pgc_no; ///< program chain number
int msec; ///< time length in milliseconds
if(!vts_file || !tt_srpt)
return 0;
if(vts_file->vtsi_mat && vts_file->vts_pgcit)
{
if(tt_srpt->title[title_no].title_set_nr == vts_no)
{
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 = dvdtimetomsec(&vts_file->vts_pgcit->pgci_srp[pgc_no].pgc->playback_time);
}
}
return msec;
}
static int mp_describe_titleset(dvd_reader_t *dvd, tt_srpt_t *tt_srpt, int vts_no)
{
ifo_handle_t *vts_file;
int title_no, msec=0;
vts_file = ifoOpen(dvd, vts_no);
if(!vts_file)
return 0;
if(!vts_file->vtsi_mat || !vts_file->vts_pgcit)
return 0;
for(title_no = 0; title_no < tt_srpt->nr_of_srpts; title_no++)
{
msec = mp_get_titleset_length(vts_file, tt_srpt, vts_no, title_no);
mp_msg(MSGT_GLOBAL, MSGL_INFO, "ID_DVD_TITLE_%d_LENGTH=%d.%03d\n", title_no + 1, msec / 1000, msec % 1000);
}
ifoClose(vts_file);
}
static int control(stream_t *stream,int cmd,void* arg)
{
switch(cmd)
{
case STREAM_CTRL_GET_TIME_LENGTH:
{
dvd_priv_t *d = stream->priv;
*((unsigned int *)arg) = mp_get_titleset_length(d->vts_file, d->tt_srpt, d->cur_title, d->cur_title-1);
return 1;
}
}
return STREAM_UNSUPORTED;
}
static int open_s(stream_t *stream,int mode, void* opts, int* file_format) {
struct stream_priv_s* p = (struct stream_priv_s*)opts;
char *filename;
@ -513,9 +570,6 @@ static int open_s(stream_t *stream,int mode, void* opts, int* file_format) {
unsigned char discid [16]; ///< disk ID, a 128 bit MD5 sum
int vts_no; ///< video title set number
int title_no; ///< title number
int vts_ttn; ///< title number within video title set
int pgc_no; ///< program chain number
int msec; ///< time length in milliseconds
mp_msg(MSGT_GLOBAL, MSGL_INFO, "ID_DVD_TITLES=%d\n", tt_srpt->nr_of_srpts);
for (title_no = 0; title_no < tt_srpt->nr_of_srpts; title_no++)
{
@ -523,22 +577,7 @@ static int open_s(stream_t *stream,int mode, void* opts, int* file_format) {
mp_msg(MSGT_GLOBAL, MSGL_INFO, "ID_DVD_TITLE_%d_ANGLES=%d\n", title_no + 1, tt_srpt->title[title_no].nr_of_angles);
}
for (vts_no = 1; vts_no <= vmg_file->vts_atrt->nr_of_vtss; vts_no++)
{
vts_file = ifoOpen(dvd, vts_no);
if (vts_file)
{
if (vts_file->vtsi_mat && vts_file->vts_pgcit)
for (title_no = 0; title_no < tt_srpt->nr_of_srpts; title_no++)
if (tt_srpt->title[title_no].title_set_nr == vts_no)
{
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 = dvdtimetomsec(&vts_file->vts_pgcit->pgci_srp[pgc_no].pgc->playback_time);
mp_msg(MSGT_GLOBAL, MSGL_INFO, "ID_DVD_TITLE_%d_LENGTH=%d.%03d\n", title_no + 1, msec / 1000, msec % 1000);
}
ifoClose(vts_file);
}
}
mp_describe_titleset(dvd, tt_srpt, vts_no);
if (DVDDiscID(dvd, discid) >= 0)
{
int i;
@ -628,6 +667,7 @@ static int open_s(stream_t *stream,int mode, void* opts, int* file_format) {
d->vmg_file=vmg_file;
d->tt_srpt=tt_srpt;
d->vts_file=vts_file;
d->cur_title = dvd_title+1;
/**
* Check number of audio channels and types
@ -780,6 +820,7 @@ static int open_s(stream_t *stream,int mode, void* opts, int* file_format) {
stream->flags = STREAM_READ | STREAM_SEEK;
stream->fill_buffer = fill_buffer;
stream->seek = seek;
stream->control = control;
stream->close = stream_dvd_close;
stream->start_pos = (off_t)d->cur_pack*2048;
stream->end_pos = (off_t)(d->cur_pgc->cell_playback[d->last_cell-1].last_sector)*2048;