diff options
Diffstat (limited to 'libhb/dvdnav.c')
-rw-r--r-- | libhb/dvdnav.c | 437 |
1 files changed, 284 insertions, 153 deletions
diff --git a/libhb/dvdnav.c b/libhb/dvdnav.c index eee9d28b9..ee7398161 100644 --- a/libhb/dvdnav.c +++ b/libhb/dvdnav.c @@ -18,7 +18,7 @@ static char * hb_dvdnav_name( char * path ); static hb_dvd_t * hb_dvdnav_init( char * path ); static int hb_dvdnav_title_count( hb_dvd_t * d ); static hb_title_t * hb_dvdnav_title_scan( hb_dvd_t * d, int t ); -static int hb_dvdnav_start( hb_dvd_t * d, int title, int chapter ); +static int hb_dvdnav_start( hb_dvd_t * d, hb_title_t *title, int chapter ); static void hb_dvdnav_stop( hb_dvd_t * d ); static int hb_dvdnav_seek( hb_dvd_t * d, float f ); static int hb_dvdnav_read( hb_dvd_t * d, hb_buffer_t * b ); @@ -46,9 +46,11 @@ hb_dvd_func_t hb_dvdnav_func = /*********************************************************************** * Local prototypes **********************************************************************/ +static void PgcWalkInit( void ); +static int FindChapterIndex( hb_list_t * list, int pgcn, int pgn ); +static int NextPgcn( ifo_handle_t *ifo, int pgcn ); static int FindNextCell( pgc_t *pgc, int cell_cur ); static int dvdtime2msec( dvd_time_t * ); -//static int hb_dvdnav_is_break( hb_dvdnav_t * d ); hb_dvd_func_t * hb_dvdnav_methods( void ) { @@ -88,7 +90,7 @@ static char * hb_dvdnav_name( char * path ) static int hb_dvdnav_reset( hb_dvdnav_t * d ) { if ( d->dvdnav ) - dvdnav_close( d->dvdnav ); + dvdnav_close( d->dvdnav ); /* Open device */ if( dvdnav_open(&d->dvdnav, d->path) != DVDNAV_STATUS_OK ) @@ -119,7 +121,7 @@ static int hb_dvdnav_reset( hb_dvdnav_t * d ) dvdnav_err_to_string(d->dvdnav)); goto fail; } - return 1; + return 1; fail: if( d->dvdnav ) dvdnav_close( d->dvdnav ); @@ -210,6 +212,55 @@ static int hb_dvdnav_title_count( hb_dvd_t * e ) return titles; } +static uint64_t +PttDuration(ifo_handle_t *ifo, int ttn, int pttn, int *blocks, int *last_pgcn) +{ + int pgcn, pgn; + pgc_t * pgc; + uint64_t duration = 0; + int cell_start, cell_end; + int i; + + // Initialize map of visited pgc's to prevent loops + PgcWalkInit(); + pgcn = ifo->vts_ptt_srpt->title[ttn-1].ptt[pttn-1].pgcn; + pgn = ifo->vts_ptt_srpt->title[ttn-1].ptt[pttn-1].pgn; + if ( pgcn < 1 || pgcn > ifo->vts_pgcit->nr_of_pgci_srp ) + { + hb_error( "invalid PGC ID %d, skipping", pgcn ); + return 0; + } + + if( pgn <= 0 || pgn > 99 ) + { + hb_error( "scan: pgn %d not valid, skipping", pgn ); + return 0; + } + + *blocks = 0; + do + { + pgc = ifo->vts_pgcit->pgci_srp[pgcn-1].pgc; + if (!pgc) + { + hb_error( "scan: pgc not valid, skipping" ); + break; + } + duration += 90LL * dvdtime2msec( &pgc->playback_time ); + + cell_start = pgc->program_map[pgn-1] - 1; + cell_end = pgc->nr_of_cells - 1; + for(i = cell_start; i <= cell_end; i = FindNextCell(pgc, i)) + { + *blocks += pgc->cell_playback[i].last_sector + 1 - + pgc->cell_playback[i].first_sector; + } + *last_pgcn = pgcn; + pgn = 1; + } while((pgcn = NextPgcn(ifo, pgcn)) != 0); + return duration; +} + /*********************************************************************** * hb_dvdnav_title_scan **********************************************************************/ @@ -218,13 +269,15 @@ static hb_title_t * hb_dvdnav_title_scan( hb_dvd_t * e, int t ) hb_dvdnav_t * d = &(e->dvdnav); hb_title_t * title; - ifo_handle_t * vts = NULL; - int pgc_id, pgn, i; + ifo_handle_t * ifo = NULL; + int pgcn, pgn, pgcn_end, i, c; + int title_pgcn; pgc_t * pgc; int cell_cur; hb_chapter_t * chapter; - int c; - uint64_t duration; + int count; + uint64_t duration, longest; + int longest_pgcn, longest_pgn, longest_pgcn_end; float duration_correction; const char * name; @@ -259,7 +312,7 @@ static hb_title_t * hb_dvdnav_title_scan( hb_dvd_t * e, int t ) } hb_log( "scan: opening IFO for VTS %d", title->vts ); - if( !( vts = ifoOpen( d->reader, title->vts ) ) ) + if( !( ifo = ifoOpen( d->reader, title->vts ) ) ) { hb_error( "scan: ifoOpen failed" ); goto fail; @@ -267,31 +320,31 @@ static hb_title_t * hb_dvdnav_title_scan( hb_dvd_t * e, int t ) /* ignore titles with bogus cell addresses so we don't abort later ** in libdvdread. */ - for ( i = 0; i < vts->vts_c_adt->nr_of_vobs; ++i) + for ( i = 0; i < ifo->vts_c_adt->nr_of_vobs; ++i) { - if( (vts->vts_c_adt->cell_adr_table[i].start_sector & 0xffffff ) == + if( (ifo->vts_c_adt->cell_adr_table[i].start_sector & 0xffffff ) == 0xffffff ) { hb_error( "scan: cell_adr_table[%d].start_sector invalid (0x%x) " "- skipping title", i, - vts->vts_c_adt->cell_adr_table[i].start_sector ); + ifo->vts_c_adt->cell_adr_table[i].start_sector ); goto fail; } - if( (vts->vts_c_adt->cell_adr_table[i].last_sector & 0xffffff ) == + if( (ifo->vts_c_adt->cell_adr_table[i].last_sector & 0xffffff ) == 0xffffff ) { hb_error( "scan: cell_adr_table[%d].last_sector invalid (0x%x) " "- skipping title", i, - vts->vts_c_adt->cell_adr_table[i].last_sector ); + ifo->vts_c_adt->cell_adr_table[i].last_sector ); goto fail; } - if( vts->vts_c_adt->cell_adr_table[i].start_sector >= - vts->vts_c_adt->cell_adr_table[i].last_sector ) + if( ifo->vts_c_adt->cell_adr_table[i].start_sector >= + ifo->vts_c_adt->cell_adr_table[i].last_sector ) { hb_error( "scan: cell_adr_table[%d].start_sector (0x%x) " "is not before last_sector (0x%x) - skipping title", i, - vts->vts_c_adt->cell_adr_table[i].start_sector, - vts->vts_c_adt->cell_adr_table[i].last_sector ); + ifo->vts_c_adt->cell_adr_table[i].start_sector, + ifo->vts_c_adt->cell_adr_table[i].last_sector ); goto fail; } } @@ -303,55 +356,74 @@ static hb_title_t * hb_dvdnav_title_scan( hb_dvd_t * e, int t ) /* Position of the title in the VTS */ title->ttn = d->vmg->tt_srpt->title[t-1].vts_ttn; - if ( title->ttn < 1 || title->ttn > vts->vts_ptt_srpt->nr_of_srpts ) + if ( title->ttn < 1 || title->ttn > ifo->vts_ptt_srpt->nr_of_srpts ) { hb_error( "invalid VTS PTT offset %d for title %d, skipping", title->ttn, t ); goto fail; } - - /* Get pgc */ - pgc_id = vts->vts_ptt_srpt->title[title->ttn-1].ptt[0].pgcn; - if ( pgc_id < 1 || pgc_id > vts->vts_pgcit->nr_of_pgci_srp ) + longest = 0LL; + longest_pgcn = -1; + longest_pgn = 1; + longest_pgcn_end = -1; + pgcn_end = -1; + for( i = 0; i < ifo->vts_ptt_srpt->title[title->ttn-1].nr_of_ptts; i++ ) { - hb_error( "invalid PGC ID %d for title %d, skipping", pgc_id, t ); - goto fail; - } - pgn = vts->vts_ptt_srpt->title[title->ttn-1].ptt[0].pgn; - pgc = vts->vts_pgcit->pgci_srp[pgc_id-1].pgc; + int blocks = 0; - hb_log("pgc_id: %d, pgn: %d: pgc: 0x%x", pgc_id, pgn, pgc); + duration = PttDuration(ifo, title->ttn, i+1, &blocks, &pgcn_end); + pgcn = ifo->vts_ptt_srpt->title[title->ttn-1].ptt[i].pgcn; + pgn = ifo->vts_ptt_srpt->title[title->ttn-1].ptt[i].pgn; + if( duration > longest ) + { + longest_pgcn = pgcn; + longest_pgn = pgn; + longest_pgcn_end = pgcn_end; + longest = duration; + title->block_count = blocks; + } + else if (pgcn == longest_pgcn && pgn < longest_pgn) + { + longest_pgn = pgn; + title->block_count = blocks; + } + } - if( !pgc ) + /* ignore titles under 10 seconds because they're often stills or + * clips with no audio & our preview code doesn't currently handle + * either of these. */ + if( longest < 900000LL ) { - hb_error( "scan: pgc not valid, skipping" ); + hb_log( "scan: ignoring title (too short)" ); goto fail; } - if( pgn <= 0 || pgn > 99 ) + pgcn = longest_pgcn; + pgcn_end = longest_pgcn_end; + pgn = longest_pgn;; + title_pgcn = pgcn; + + + /* Get pgc */ + if ( pgcn < 1 || pgcn > ifo->vts_pgcit->nr_of_pgci_srp ) { - hb_error( "scan: pgn %d not valid, skipping", pgn ); + hb_error( "invalid PGC ID %d for title %d, skipping", pgcn, t ); goto fail; } - /* Start cell */ - title->cell_start = pgc->program_map[pgn-1] - 1; + pgc = ifo->vts_pgcit->pgci_srp[pgcn-1].pgc; + + hb_log("pgc_id: %d, pgn: %d: pgc: 0x%x", pgcn, pgn, pgc); + + /* Title start */ + title->cell_start = pgc->program_map[pgn-1] - 1; title->block_start = pgc->cell_playback[title->cell_start].first_sector; - /* End cell */ - title->cell_end = pgc->nr_of_cells - 1; - title->block_end = pgc->cell_playback[title->cell_end].last_sector; + pgc = ifo->vts_pgcit->pgci_srp[pgcn_end-1].pgc; - /* Block count */ - title->block_count = 0; - cell_cur = title->cell_start; - while( cell_cur <= title->cell_end ) - { -#define cp pgc->cell_playback[cell_cur] - title->block_count += cp.last_sector + 1 - cp.first_sector; -#undef cp - cell_cur = FindNextCell( pgc, cell_cur ); - } + /* Title end */ + title->cell_end = pgc->nr_of_cells - 1; + title->block_end = pgc->cell_playback[title->cell_end].last_sector; hb_log( "scan: vts=%d, ttn=%d, cells=%d->%d, blocks=%d->%d, " "%d blocks", title->vts, title->ttn, title->cell_start, @@ -359,7 +431,7 @@ static hb_title_t * hb_dvdnav_title_scan( hb_dvd_t * e, int t ) title->block_count ); /* Get duration */ - title->duration = 90LL * dvdtime2msec( &pgc->playback_time ); + title->duration = longest; title->hours = title->duration / 90000 / 3600; title->minutes = ( ( title->duration / 90000 ) % 3600 ) / 60; title->seconds = ( title->duration / 90000 ) % 60; @@ -367,17 +439,8 @@ static hb_title_t * hb_dvdnav_title_scan( hb_dvd_t * e, int t ) title->hours, title->minutes, title->seconds, title->duration / 90 ); - /* ignore titles under 10 seconds because they're often stills or - * clips with no audio & our preview code doesn't currently handle - * either of these. */ - if( title->duration < 900000LL ) - { - hb_log( "scan: ignoring title (too short)" ); - goto fail; - } - /* Detect languages */ - for( i = 0; i < vts->vtsi_mat->nr_of_vts_audio_streams; i++ ) + for( i = 0; i < ifo->vtsi_mat->nr_of_vts_audio_streams; i++ ) { hb_audio_t * audio, * audio_tmp; int audio_format, lang_code, audio_control, @@ -389,11 +452,11 @@ static hb_title_t * hb_dvdnav_title_scan( hb_dvd_t * e, int t ) audio = calloc( sizeof( hb_audio_t ), 1 ); - audio_format = vts->vtsi_mat->vts_audio_attr[i].audio_format; - lang_code = vts->vtsi_mat->vts_audio_attr[i].lang_code; - lang_extension = vts->vtsi_mat->vts_audio_attr[i].code_extension; + audio_format = ifo->vtsi_mat->vts_audio_attr[i].audio_format; + lang_code = ifo->vtsi_mat->vts_audio_attr[i].lang_code; + lang_extension = ifo->vtsi_mat->vts_audio_attr[i].code_extension; audio_control = - vts->vts_pgcit->pgci_srp[pgc_id-1].pgc->audio_control[i]; + ifo->vts_pgcit->pgci_srp[title_pgcn-1].pgc->audio_control[i]; if( !( audio_control & 0x8000 ) ) { @@ -459,7 +522,7 @@ static hb_title_t * hb_dvdnav_title_scan( hb_dvd_t * e, int t ) audio->config.lang.type = lang_extension; - lang = lang_for_code( vts->vtsi_mat->vts_audio_attr[i].lang_code ); + lang = lang_for_code( ifo->vtsi_mat->vts_audio_attr[i].lang_code ); snprintf( audio->config.lang.description, sizeof( audio->config.lang.description ), "%s (%s)", strlen(lang->native_name) ? lang->native_name : lang->eng_name, @@ -504,11 +567,11 @@ static hb_title_t * hb_dvdnav_title_scan( hb_dvd_t * e, int t ) } memcpy( title->palette, - vts->vts_pgcit->pgci_srp[pgc_id-1].pgc->palette, + ifo->vts_pgcit->pgci_srp[title_pgcn-1].pgc->palette, 16 * sizeof( uint32_t ) ); /* Check for subtitles */ - for( i = 0; i < vts->vtsi_mat->nr_of_vts_subp_streams; i++ ) + for( i = 0; i < ifo->vtsi_mat->nr_of_vts_subp_streams; i++ ) { hb_subtitle_t * subtitle; int spu_control; @@ -519,7 +582,7 @@ static hb_title_t * hb_dvdnav_title_scan( hb_dvd_t * e, int t ) hb_log( "scan: checking subtitle %d", i + 1 ); spu_control = - vts->vts_pgcit->pgci_srp[pgc_id-1].pgc->subp_control[i]; + ifo->vts_pgcit->pgci_srp[title_pgcn-1].pgc->subp_control[i]; if( !( spu_control & 0x80000000 ) ) { @@ -527,9 +590,9 @@ static hb_title_t * hb_dvdnav_title_scan( hb_dvd_t * e, int t ) continue; } - if( vts->vtsi_mat->vts_video_attr.display_aspect_ratio ) + if( ifo->vtsi_mat->vts_video_attr.display_aspect_ratio ) { - switch( vts->vtsi_mat->vts_video_attr.permitted_df ) + switch( ifo->vtsi_mat->vts_video_attr.permitted_df ) { case 1: position = spu_control & 0xFF; @@ -546,9 +609,9 @@ static hb_title_t * hb_dvdnav_title_scan( hb_dvd_t * e, int t ) position = ( spu_control >> 24 ) & 0x7F; } - lang_extension = vts->vtsi_mat->vts_subp_attr[i].code_extension; + lang_extension = ifo->vtsi_mat->vts_subp_attr[i].code_extension; - lang = lang_for_code( vts->vtsi_mat->vts_subp_attr[i].lang_code ); + lang = lang_for_code( ifo->vtsi_mat->vts_subp_attr[i].lang_code ); subtitle = calloc( sizeof( hb_subtitle_t ), 1 ); subtitle->id = ( ( 0x20 + position ) << 8 ) | 0xbd; @@ -612,36 +675,66 @@ static hb_title_t * hb_dvdnav_title_scan( hb_dvd_t * e, int t ) } /* Chapters */ - hb_log( "scan: title %d has %d chapters", t, - vts->vts_ptt_srpt->title[title->ttn-1].nr_of_ptts ); - for( i = 0, c = 1; - i < vts->vts_ptt_srpt->title[title->ttn-1].nr_of_ptts; i++ ) + PgcWalkInit(); + c = 0; + do + { + pgc = ifo->vts_pgcit->pgci_srp[pgcn-1].pgc; + + for (i = pgn; i <= pgc->nr_of_programs; i++) + { + chapter = calloc( sizeof( hb_chapter_t ), 1 ); + + chapter->index = c + 1; + chapter->pgcn = pgcn; + chapter->pgn = i; + hb_list_add( title->list_chapter, chapter ); + c++; + } + + pgn = 1; + } while ((pgcn = NextPgcn(ifo, pgcn)) != 0); + + hb_log( "scan: title %d has %d chapters", t, c ); + + duration = 0; + count = hb_list_count( title->list_chapter ); + for (i = 0; i < count; i++) { - int pgc_id_next, pgn_next; + int pgcn_next, pgn_next; pgc_t * pgc_next; + hb_chapter_t *chapter_next; + int pgc_cell_end; - chapter = calloc( sizeof( hb_chapter_t ), 1 ); - /* remember the on-disc chapter number */ - chapter->index = i + 1; + chapter = hb_list_item( title->list_chapter, i ); - pgc_id = vts->vts_ptt_srpt->title[title->ttn-1].ptt[i].pgcn; - pgn = vts->vts_ptt_srpt->title[title->ttn-1].ptt[i].pgn; - pgc = vts->vts_pgcit->pgci_srp[pgc_id-1].pgc; + pgcn = chapter->pgcn; + pgn = chapter->pgn; + pgc = ifo->vts_pgcit->pgci_srp[pgcn-1].pgc; /* Start cell */ chapter->cell_start = pgc->program_map[pgn-1] - 1; chapter->block_start = pgc->cell_playback[chapter->cell_start].first_sector; + pgc_cell_end = pgc->nr_of_cells - 1; /* End cell */ - if( i != vts->vts_ptt_srpt->title[title->ttn-1].nr_of_ptts - 1 ) + if( i < count - 1 ) { /* The cell before the starting cell of the next chapter, or... */ - pgc_id_next = vts->vts_ptt_srpt->title[title->ttn-1].ptt[i+1].pgcn; - pgn_next = vts->vts_ptt_srpt->title[title->ttn-1].ptt[i+1].pgn; - pgc_next = vts->vts_pgcit->pgci_srp[pgc_id_next-1].pgc; - chapter->cell_end = pgc_next->program_map[pgn_next-1] - 2; + chapter_next = hb_list_item( title->list_chapter, i+1 ); + pgcn_next = chapter_next->pgcn; + pgn_next = chapter_next->pgn; + pgc_next = ifo->vts_pgcit->pgci_srp[pgcn_next-1].pgc; + if (pgcn_next == pgcn) + { + chapter->cell_end = pgc_next->program_map[pgn_next-1] - 2; + } + else + { + chapter->cell_end = pgc_cell_end; + } if( chapter->cell_end < 0 ) { /* Huh? */ @@ -652,15 +745,12 @@ static hb_title_t * hb_dvdnav_title_scan( hb_dvd_t * e, int t ) else { /* ... the last cell of the title */ - chapter->cell_end = title->cell_end; + chapter->cell_end = pgc_cell_end; } chapter->block_end = pgc->cell_playback[chapter->cell_end].last_sector; /* Block count, duration */ - pgc_id = vts->vts_ptt_srpt->title[title->ttn-1].ptt[0].pgcn; - pgn = vts->vts_ptt_srpt->title[title->ttn-1].ptt[0].pgn; - pgc = vts->vts_pgcit->pgci_srp[pgc_id-1].pgc; chapter->block_count = 0; chapter->duration = 0; @@ -673,18 +763,11 @@ static hb_title_t * hb_dvdnav_title_scan( hb_dvd_t * e, int t ) #undef cp cell_cur = FindNextCell( pgc, cell_cur ); } - hb_list_add( title->list_chapter, chapter ); - c++; + duration += chapter->duration; } /* The durations we get for chapters aren't precise. Scale them so the total matches the title duration */ - duration = 0; - for( i = 0; i < hb_list_count( title->list_chapter ); i++ ) - { - chapter = hb_list_item( title->list_chapter, i ); - duration += chapter->duration; - } duration_correction = (float) title->duration / (float) duration; for( i = 0; i < hb_list_count( title->list_chapter ); i++ ) { @@ -704,7 +787,7 @@ static hb_title_t * hb_dvdnav_title_scan( hb_dvd_t * e, int t ) /* Get aspect. We don't get width/height/rate infos here as they tend to be wrong */ - switch( vts->vtsi_mat->vts_video_attr.display_aspect_ratio ) + switch( ifo->vtsi_mat->vts_video_attr.display_aspect_ratio ) { case 0: title->container_aspect = 4. / 3.; @@ -728,7 +811,7 @@ fail: title = NULL; cleanup: - if( vts ) ifoClose( vts ); + if( ifo ) ifoClose( ifo ); return title; } @@ -738,53 +821,33 @@ cleanup: *********************************************************************** * Title and chapter start at 1 **********************************************************************/ -static int hb_dvdnav_start( hb_dvd_t * e, int title, int chapter ) +static int hb_dvdnav_start( hb_dvd_t * e, hb_title_t *title, int c ) { hb_dvdnav_t * d = &(e->dvdnav); - ifo_handle_t *ifo; - int ii; - int vts, ttn, pgc_id, pgn; - pgc_t *pgc; - int cell_start, cell_end, title_start, title_end; - - vts = d->vmg->tt_srpt->title[title-1].title_set_nr; - ttn = d->vmg->tt_srpt->title[title-1].vts_ttn; - if( !( ifo = ifoOpen( d->reader, vts ) ) ) - { - hb_error( "dvd: ifoOpen failed for VTS %d", vts ); - return 0; - } + int t = title->index; + hb_chapter_t *chapter; + dvdnav_status_t result; - /* Get title first and last blocks */ - pgc_id = ifo->vts_ptt_srpt->title[ttn-1].ptt[0].pgcn; - pgn = ifo->vts_ptt_srpt->title[ttn-1].ptt[0].pgn; - pgc = ifo->vts_pgcit->pgci_srp[pgc_id-1].pgc; - cell_start = pgc->program_map[pgn - 1] - 1; - cell_end = pgc->nr_of_cells - 1; - title_start = pgc->cell_playback[cell_start].first_sector; - title_end = pgc->cell_playback[cell_end].last_sector; - - /* Block count */ - d->title_block_count = 0; - for( ii = cell_start; ii <= cell_end; ii++ ) - { - d->title_block_count += pgc->cell_playback[ii].last_sector + 1 - - pgc->cell_playback[ii].first_sector; - } - ifoClose(ifo); + d->title_block_count = title->block_count; + d->list_chapter = title->list_chapter; - if ( d->stopped && !hb_dvdnav_reset(d) ) + if ( d->stopped && !hb_dvdnav_reset(d) ) { return 0; } - if ( dvdnav_part_play(d->dvdnav, title, chapter) != DVDNAV_STATUS_OK ) + chapter = hb_list_item( title->list_chapter, c - 1); + if (chapter != NULL) + result = dvdnav_program_play(d->dvdnav, t, chapter->pgcn, chapter->pgn); + else + result = dvdnav_part_play(d->dvdnav, t, 1); + if (result != DVDNAV_STATUS_OK) { - hb_error( "dvd: dvdnav_title_play failed - %s", + hb_error( "dvd: dvdnav_*_play failed - %s", dvdnav_err_to_string(d->dvdnav) ); return 0; } - d->title = title; - d->stopped = 0; + d->title = t; + d->stopped = 0; return 1; } @@ -795,7 +858,6 @@ static int hb_dvdnav_start( hb_dvd_t * e, int title, int chapter ) **********************************************************************/ static void hb_dvdnav_stop( hb_dvd_t * e ) { - hb_dvdnav_t * d = &(e->dvdnav); } /*********************************************************************** @@ -812,9 +874,10 @@ static int hb_dvdnav_seek( hb_dvd_t * e, float f ) int done = 0, ii; if (d->stopped) - { - return 0; - } + { + return 0; + } + // dvdnav will not let you seek or poll current position // till it reaches a certain point in parsing. so we // have to get blocks until we reach a cell @@ -842,7 +905,8 @@ static int hb_dvdnav_seek( hb_dvd_t * e, float f ) break; case DVDNAV_STOP: - d->stopped = 1; + hb_log("dvdnav: stop encountered during seek"); + d->stopped = 1; return 0; case DVDNAV_HOP_CHANNEL: @@ -881,10 +945,10 @@ static int hb_dvdnav_read( hb_dvd_t * e, hb_buffer_t * b ) while ( 1 ) { - if (d->stopped) - { - return 0; - } + if (d->stopped) + { + return 0; + } result = dvdnav_get_next_block( d->dvdnav, b->data, &event, &len ); if ( result == DVDNAV_STATUS_ERR ) { @@ -980,16 +1044,17 @@ static int hb_dvdnav_read( hb_dvd_t * e, hb_buffer_t * b ) * and update the decoding/displaying accordingly. */ { - int tt = 0, ptt = 0; + int tt = 0, pgcn = 0, pgn = 0, c; - dvdnav_current_title_info(d->dvdnav, &tt, &ptt); + dvdnav_current_title_program(d->dvdnav, &tt, &pgcn, &pgn); if (tt != d->title) { // Transition to another title signals that we are done. return 0; } - if (ptt > d->chapter) - chapter = d->chapter = ptt; + c = FindChapterIndex(d->list_chapter, pgcn, pgn); + if (c > d->chapter) + chapter = d->chapter = c; } break; @@ -1027,7 +1092,7 @@ static int hb_dvdnav_read( hb_dvd_t * e, hb_buffer_t * b ) /* * Playback should end here. */ - d->stopped = 1; + d->stopped = 1; return 0; default: @@ -1046,12 +1111,14 @@ static int hb_dvdnav_read( hb_dvd_t * e, hb_buffer_t * b ) static int hb_dvdnav_chapter( hb_dvd_t * e ) { hb_dvdnav_t * d = &(e->dvdnav); - int32_t t, c; + int32_t t, pgcn, pgn; + int32_t c; - if (dvdnav_current_title_info(d->dvdnav, &t, &c) != DVDNAV_STATUS_OK) + if (dvdnav_current_title_program(d->dvdnav, &t, &pgcn, &pgn) != DVDNAV_STATUS_OK) { return -1; } + c = FindChapterIndex( d->list_chapter, pgcn, pgn ); return c; } @@ -1106,6 +1173,27 @@ static void hb_dvdnav_set_angle( hb_dvd_t * e, int angle ) } /*********************************************************************** + * FindChapterIndex + *********************************************************************** + * Assumes pgc and cell_cur are correctly set, and sets cell_next to the + * cell to be read when we will be done with cell_cur. + **********************************************************************/ +static int FindChapterIndex( hb_list_t * list, int pgcn, int pgn ) +{ + int count, ii; + hb_chapter_t *chapter; + + count = hb_list_count( list ); + for (ii = 0; ii < count; ii++) + { + chapter = hb_list_item( list, ii ); + if (chapter->pgcn == pgcn && chapter->pgn == pgn) + return chapter->index; + } + return 0; +} + +/*********************************************************************** * FindNextCell *********************************************************************** * Assumes pgc and cell_cur are correctly set, and sets cell_next to the @@ -1137,6 +1225,49 @@ static int FindNextCell( pgc_t *pgc, int cell_cur ) return cell_next; } +static uint8_t pgcn_map[1280]; + +/*********************************************************************** + * NextPgcn + *********************************************************************** + * Assumes pgc and cell_cur are correctly set, and sets cell_next to the + * cell to be read when we will be done with cell_cur. + **********************************************************************/ +static int NextPgcn( ifo_handle_t *ifo, int pgcn ) +{ + int byte; + uint8_t bit; + int next_pgcn; + pgc_t *pgc; + + byte = pgcn >> 3; + bit = 1 << (pgcn & 0x7); + pgcn_map[byte] |= bit; + + pgc = ifo->vts_pgcit->pgci_srp[pgcn-1].pgc; + next_pgcn = pgc->next_pgc_nr; + if ( next_pgcn < 1 || next_pgcn > ifo->vts_pgcit->nr_of_pgci_srp ) + return 0; + + byte = next_pgcn >> 3; + bit = 1 << (pgcn & 0x7); + if (pgcn_map[byte] & bit) + return 0; + + return next_pgcn; +} + +/*********************************************************************** + * PgcWalkInit + *********************************************************************** + * Pgc links can loop. I track which have been visited in a bit vector + * Initialize the bit vector to empty. + **********************************************************************/ +static void PgcWalkInit( void ) +{ + memset(pgcn_map, 0, 128); +} + /*********************************************************************** * dvdtime2msec *********************************************************************** |