int title_block_count;
int cell_cur;
int cell_next;
+ int cell_overlap;
int block;
int pack_len;
int next_vobu;
+ int in_cell;
+ int in_sync;
};
/***********************************************************************
/* Open device */
if( !( d->reader = DVDOpen( path ) ) )
{
- hb_log( "dvd: DVDOpen failed (%s)", path );
+ hb_error( "dvd: DVDOpen failed (%s)", path );
goto fail;
}
/* Open main IFO */
if( !( d->vmg = ifoOpen( d->reader, 0 ) ) )
{
- hb_log( "dvd: ifoOpen failed" );
+ hb_error( "dvd: ifoOpen failed" );
goto fail;
}
/* VTS which our title is in */
title->vts = d->vmg->tt_srpt->title[t-1].title_set_nr;
+ if ( !title->vts )
+ {
+ /* A VTS of 0 means the title wasn't found in the title set */
+ hb_error("Invalid VTS (title set) number: %i", title->vts);
+ goto fail;
+ }
+
hb_log( "scan: opening IFO for VTS %d", title->vts );
if( !( vts = ifoOpen( d->reader, title->vts ) ) )
{
- hb_log( "scan: ifoOpen failed" );
+ hb_error( "scan: ifoOpen failed" );
goto fail;
}
pgn = vts->vts_ptt_srpt->title[title->ttn-1].ptt[0].pgn;
d->pgc = vts->vts_pgcit->pgci_srp[pgc_id-1].pgc;
+ hb_log("pgc_id: %d, pgn: %d: pgc: 0x%x", pgc_id, pgn, d->pgc);
+
+ if( !d->pgc )
+ {
+ hb_error( "scan: pgc not valid, skipping" );
+ goto fail;
+ }
+
/* Start cell */
title->cell_start = d->pgc->program_map[pgn-1] - 1;
title->block_start = d->pgc->cell_playback[title->cell_start].first_sector;
title->cell_end, title->block_start, title->block_end,
title->block_count );
- if( title->block_count < 2048 )
+ if( title->block_count < 2048 )
{
hb_log( "scan: title too short (%d blocks), ignoring",
title->block_count );
hb_audio_t * audio, * audio_tmp;
int audio_format, lang_code, audio_control,
position, j;
+ iso639_lang_t * lang;
hb_log( "scan: checking audio %d", i + 1 );
audio->codec = HB_ACODEC_LPCM;
break;
+ case 0x06:
+ audio->id = ( ( 0x88 + position ) << 8 ) | 0xbd;
+ audio->codec = HB_ACODEC_DCA;
+ break;
+
default:
audio->id = 0;
audio->codec = 0;
continue;
}
+ lang = lang_for_code( vts->vtsi_mat->vts_audio_attr[i].lang_code );
+
snprintf( audio->lang, sizeof( audio->lang ), "%s (%s)",
- lang_for_code( vts->vtsi_mat->vts_audio_attr[i].lang_code ),
+ strlen(lang->native_name) ? lang->native_name : lang->eng_name,
audio->codec == HB_ACODEC_AC3 ? "AC3" : ( audio->codec ==
- HB_ACODEC_MPGA ? "MPEG" : "LPCM" ) );
+ HB_ACODEC_DCA ? "DTS" : ( audio->codec ==
+ HB_ACODEC_MPGA ? "MPEG" : "LPCM" ) ) );
snprintf( audio->lang_simple, sizeof( audio->lang_simple ), "%s",
- lang_for_code( vts->vtsi_mat->vts_audio_attr[i].lang_code ) );
+ strlen(lang->native_name) ? lang->native_name : lang->eng_name );
+ snprintf( audio->iso639_2, sizeof( audio->iso639_2 ), "%s",
+ lang->iso639_2);
- hb_log( "scan: id=%x, lang=%s", audio->id,
- audio->lang );
+ hb_log( "scan: id=%x, lang=%s, 3cc=%s", audio->id,
+ audio->lang, audio->iso639_2 );
hb_list_add( title->list_audio, audio );
}
hb_subtitle_t * subtitle;
int spu_control;
int position;
+ iso639_lang_t * lang;
hb_log( "scan: checking subtitle %d", i + 1 );
position = ( spu_control >> 24 ) & 0x7F;
}
+ lang = lang_for_code( vts->vtsi_mat->vts_subp_attr[i].lang_code );
+
subtitle = calloc( sizeof( hb_subtitle_t ), 1 );
subtitle->id = ( ( 0x20 + position ) << 8 ) | 0xbd;
snprintf( subtitle->lang, sizeof( subtitle->lang ), "%s",
- lang_for_code( vts->vtsi_mat->vts_subp_attr[i].lang_code ) );
+ strlen(lang->native_name) ? lang->native_name : lang->eng_name);
+ snprintf( subtitle->iso639_2, sizeof( subtitle->iso639_2 ), "%s",
+ lang->iso639_2);
- hb_log( "scan: id=%x, lang=%s", subtitle->id,
- subtitle->lang );
+ hb_log( "scan: id=%x, lang=%s, 3cc=%s", subtitle->id,
+ subtitle->lang, subtitle->iso639_2 );
hb_list_add( title->list_subtitle, subtitle );
}
pgc_t * pgc_next;
chapter = calloc( sizeof( hb_chapter_t ), 1 );
- chapter->index = c;
+ /* remember the on-disc chapter number */
+ chapter->index = i + 1;
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;
d->cell_cur = d->cell_next;
}
- if( chapter->block_count < 2048 && chapter->index > 1 )
+ if( chapter->block_count < 2048 && c > 1 )
{
- hb_log( "scan: chapter %d too short (%d blocks, "
- "cells=%d->%d), merging", chapter->index,
+ hb_log( "scan: chapter %d(%d) too short (%d blocks, "
+ "cells=%d->%d), merging", c, chapter->index,
chapter->block_count, chapter->cell_start,
chapter->cell_end );
- chapter_old = hb_list_item( title->list_chapter,
- chapter->index - 2 );
+ chapter_old = hb_list_item( title->list_chapter, c - 2 );
chapter_old->cell_end = chapter->cell_end;
chapter_old->block_end = chapter->block_end;
chapter_old->block_count += chapter->block_count;
+ chapter_old->duration += chapter->duration;
free( chapter );
chapter = chapter_old;
}
d->ttn = d->vmg->tt_srpt->title[title-1].vts_ttn;
if( !( d->ifo = ifoOpen( d->reader, d->vts ) ) )
{
- hb_log( "dvd: ifoOpen failed for VTS %d", d->vts );
+ hb_error( "dvd: ifoOpen failed for VTS %d", d->vts );
return 0;
}
if( !( d->file = DVDOpenFile( d->reader, d->vts,
DVD_READ_TITLE_VOBS ) ) )
{
- hb_log( "dvd: DVDOpenFile failed for VTS %d", d->vts );
+ hb_error( "dvd: DVDOpenFile failed for VTS %d", d->vts );
return 0;
}
d->block = d->pgc->cell_playback[d->cell_cur].first_sector;
d->next_vobu = d->block;
d->pack_len = 0;
+ d->cell_overlap = 0;
+ d->in_cell = 0;
+ d->in_sync = 2;
return 1;
}
return 0;
}
+ /*
+ * Assume that we are in sync, even if we are not given that it is obvious
+ * that we are out of sync if we have just done a seek.
+ */
+ d->in_sync = 2;
+
return 1;
}
+
+/***********************************************************************
+ * is_nav_pack
+ ***********************************************************************/
+int is_nav_pack( unsigned char *buf )
+{
+ /*
+ * The NAV Pack is comprised of the PCI Packet and DSI Packet, both
+ * of these start at known offsets and start with a special identifier.
+ *
+ * NAV = {
+ * PCI = { 00 00 01 bf # private stream header
+ * ?? ?? # length
+ * 00 # substream
+ * ...
+ * }
+ * DSI = { 00 00 01 bf # private stream header
+ * ?? ?? # length
+ * 01 # substream
+ * ...
+ * }
+ *
+ * The PCI starts at offset 0x26 into the sector, and the DSI starts at 0x400
+ *
+ * This information from: http://dvd.sourceforge.net/dvdinfo/
+ */
+ if( ( buf[0x26] == 0x00 && // PCI
+ buf[0x27] == 0x00 &&
+ buf[0x28] == 0x01 &&
+ buf[0x29] == 0xbf &&
+ buf[0x2c] == 0x00 ) &&
+ ( buf[0x400] == 0x00 && // DSI
+ buf[0x401] == 0x00 &&
+ buf[0x402] == 0x01 &&
+ buf[0x403] == 0xbf &&
+ buf[0x406] == 0x01 ) )
+ {
+ return ( 1 );
+ } else {
+ return ( 0 );
+ }
+}
+
+
/***********************************************************************
* hb_dvd_read
***********************************************************************
for( ;; )
{
- int block, pack_len, next_vobu;
+ int block, pack_len, next_vobu, read_retry;
- if( DVDReadBlocks( d->file, d->next_vobu, 1, b->data ) != 1 )
+ for( read_retry = 0; read_retry < 3; read_retry++ )
{
- hb_log( "dvd: DVDReadBlocks failed (%d)", d->next_vobu );
+ if( DVDReadBlocks( d->file, d->next_vobu, 1, b->data ) == 1 )
+ {
+ /*
+ * Successful read.
+ */
+ break;
+ } else {
+ hb_log( "dvd: Read Error on blk %d, attempt %d",
+ d->next_vobu, read_retry );
+ }
+ }
+
+ if( read_retry == 3 )
+ {
+ hb_log( "dvd: Unrecoverable Read Error from DVD, potential HD or DVD Failure (blk: %d)", d->next_vobu );
return 0;
}
+ if ( !is_nav_pack( b->data ) ) {
+ (d->next_vobu)++;
+ if( d->in_sync == 1 ) {
+ hb_log("DVD: Lost sync, searching for NAV pack at blk %d",
+ d->next_vobu);
+ d->in_sync = 0;
+ }
+ continue;
+ }
+
navRead_DSI( &dsi_pack, &b->data[DSI_START_BYTE] );
block = dsi_pack.dsi_gi.nv_pck_lbn;
d->next_vobu, block, pack_len, next_vobu );
#endif
}
+
d->block = block;
d->pack_len = pack_len;
d->next_vobu = next_vobu;
(d->next_vobu)++;
}
- if( dsi_pack.vobu_sri.next_vobu == SRI_END_OF_CELL )
+ if( d->in_sync == 0 || d->in_sync == 2 )
{
+ if( d->in_sync == 0 )
+ {
+ hb_log( "DVD: In sync with DVD at block %d", d->block );
+ }
+ d->in_sync = 1;
+ }
+
+ if( dsi_pack.vobu_sri.next_vobu == SRI_END_OF_CELL )
+ {
+ hb_log( "DVD: End of Cell (%d) at block %d", d->cell_cur,
+ d->block );
d->cell_cur = d->cell_next;
+ d->in_cell = 0;
d->next_vobu = d->pgc->cell_playback[d->cell_cur].first_sector;
FindNextCell( d );
+ d->cell_overlap = 1;
+
+ }
+
+ // Revert the cell overlap, and check for a chapter break
+ if( dsi_pack.vobu_sri.prev_vobu == SRI_END_OF_CELL )
+ {
+ hb_log( "DVD: Beginning of Cell (%d) at block %d", d->cell_cur,
+ d->block );
+ if( d->in_cell )
+ {
+ hb_error( "DVD: Assuming missed End of Cell (%d)", d->cell_cur );
+ d->cell_cur = d->cell_next;
+ d->next_vobu = d->pgc->cell_playback[d->cell_cur].first_sector;
+ FindNextCell( d );
+ d->cell_overlap = 1;
+ d->in_cell = 0;
+ } else {
+ d->in_cell = 1;
+ }
+
+ if( d->cell_overlap )
+ {
+ b->new_chap = hb_dvd_is_break( d );
+ d->cell_overlap = 0;
+ }
}
}
else
{
if( DVDReadBlocks( d->file, d->block, 1, b->data ) != 1 )
{
- hb_log( "reader: DVDReadBlocks failed (%d)", d->block );
+ hb_error( "reader: DVDReadBlocks failed (%d)", d->block );
return 0;
}
d->pack_len--;
{
int i;
int pgc_id, pgn;
+ int nr_of_ptts = d->ifo->vts_ptt_srpt->title[d->ttn-1].nr_of_ptts;
pgc_t * pgc;
- for( i = 0;
- i < d->ifo->vts_ptt_srpt->title[d->ttn-1].nr_of_ptts;
- i++ )
+ for( i = nr_of_ptts - 1;
+ i >= 0;
+ i-- )
{
/* Get pgc for chapter (i+1) */
pgc_id = d->ifo->vts_ptt_srpt->title[d->ttn-1].ptt[i].pgcn;
pgn = d->ifo->vts_ptt_srpt->title[d->ttn-1].ptt[i].pgn;
pgc = d->ifo->vts_pgcit->pgci_srp[pgc_id-1].pgc;
- if( d->cell_cur >= pgc->program_map[pgn-1] - 1 &&
- d->cell_cur <= pgc->nr_of_cells - 1 )
+ if( d->cell_cur - d->cell_overlap >= pgc->program_map[pgn-1] - 1 &&
+ d->cell_cur - d->cell_overlap <= pgc->nr_of_cells - 1 )
{
/* We are in this chapter */
return i + 1;
}
/***********************************************************************
+ * hb_dvd_is_break
+ ***********************************************************************
+ * Returns 1 if the current block is a new chapter start
+ **********************************************************************/
+int hb_dvd_is_break( hb_dvd_t * d )
+{
+ int i, j;
+ int pgc_id, pgn;
+ int nr_of_ptts = d->ifo->vts_ptt_srpt->title[d->ttn-1].nr_of_ptts;
+ pgc_t * pgc;
+ int cell, chapter_length, cell_end;
+
+ for( i = nr_of_ptts - 1;
+ i > 0;
+ i-- )
+ {
+ /* Get pgc for chapter (i+1) */
+ pgc_id = d->ifo->vts_ptt_srpt->title[d->ttn-1].ptt[i].pgcn;
+ pgn = d->ifo->vts_ptt_srpt->title[d->ttn-1].ptt[i].pgn;
+ pgc = d->ifo->vts_pgcit->pgci_srp[pgc_id-1].pgc;
+ cell = pgc->program_map[pgn-1] - 1;
+
+ if( cell <= d->cell_start )
+ break;
+
+ // This must not match against the start cell.
+ if( pgc->cell_playback[cell].first_sector == d->block && cell != d->cell_start )
+ {
+ /* Check to see if we merged this chapter into the previous one... */
+ /* As a note, merging chapters is probably bad practice for this very reason */
+ chapter_length = 0;
+
+ if( i == nr_of_ptts - 1 )
+ {
+ cell_end = d->pgc->nr_of_cells;
+ }
+ else
+ {
+ cell_end = pgc->program_map[pgn] - 1;
+ }
+
+ for( j = cell; j < cell_end; j++ )
+ {
+ chapter_length += pgc->cell_playback[j].last_sector + 1 -
+ pgc->cell_playback[j].first_sector;
+ }
+
+ if( chapter_length >= 2048 )
+ {
+ hb_log("DVD: Chapter Break Cell Found");
+ /* We have a chapter break */
+ return 1;
+ }
+ else
+ {
+ hb_log("DVD: Cell Found (len=%d)", chapter_length);
+ }
+ }
+ }
+
+ return 0;
+}
+
+/***********************************************************************
* hb_dvd_close
***********************************************************************
* Closes and frees everything
i++;
}
d->cell_next = d->cell_cur + i + 1;
+ hb_log( "DVD: Skipping multi-angle cells %d-%d",
+ d->cell_cur,
+ d->cell_next - 1 );
}
else
{
OSDN Git Service
