github/mpv
1
Fork 0
mirror of https://github.com/mpv-player/mpv synced 2025-01-13 00:06:25 +01:00
Code Releases Activity

stream_dvd: Improve seeking by chapters

Browse Source 
The current code seeks to the start of the chapter. From this
position, it then tries to figure out the starting cell. This is
completely suboptimal and error prone since the starting cell can be
directly deduced from the chapter.

patch by Olivier Rolland, billl users.sourceforge net

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@31894 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
diego 2010-08-01 22:51:15 +00:00 committed by Uoti Urpala
parent fdb6ce15df
commit 0a321e01e3
1 changed files with 12 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
stream/stream_dvd.c
View File

@ -468,7 +468,7 @@ static int get_num_chapter(ifo_handle_t *vts_file, tt_srpt_t *tt_srpt, int title
static int seek_to_chapter(stream_t *stream, ifo_handle_t *vts_file, tt_srpt_t *tt_srpt, int title_no, int chapter)
{
int cell;
dvd_priv_t *d = stream->priv;
ptt_info_t ptt;
pgc_t *pgc;
off_t pos;
@ -491,11 +491,18 @@ static int seek_to_chapter(stream_t *stream, ifo_handle_t *vts_file, tt_srpt_t *
ptt = vts_file->vts_ptt_srpt->title[title_no].ptt[chapter];
pgc = vts_file->vts_pgcit->pgci_srp[ptt.pgcn-1].pgc;
cell = pgc->program_map[ptt.pgn - 1] - 1;
pos = (off_t) pgc->cell_playback[cell].first_sector * 2048;
d->cur_cell = pgc->program_map[ptt.pgn - 1] - 1;
if(pgc->cell_playback[d->cur_cell].block_type == BLOCK_TYPE_ANGLE_BLOCK)
d->cur_cell += dvd_angle;
d->cur_pack = pgc->cell_playback[d->cur_cell].first_sector;
d->cell_last_pack = pgc->cell_playback[d->cur_cell].last_sector;
d->packs_left = -1;
d->angle_seek = 0;
pos = (off_t) d->cur_pack * 2048;
mp_msg(MSGT_OPEN,MSGL_V,"\r\nSTREAM_DVD, seeked to chapter: %d, cell: %u, pos: %"PRIu64"\n",
chapter, pgc->cell_playback[cell].first_sector, pos);
stream_seek(stream, pos);
chapter, d->cur_pack, pos);
return chapter;
}