--- /dev/null
+/*****************************************************************************
+ * bd.c: BluRay Disc support (uncrypted)
+ *****************************************************************************
+ * Copyright (C) 2009 the VideoLAN team
+ * $Id$
+ *
+ * Authors: Laurent Aimar <fenrir _AT_ videolan _DOT_ org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#ifdef HAVE_SYS_STAT_H
+# include <sys/stat.h>
+#endif
+#include <limits.h>
+
+#include <vlc_common.h>
+#include <vlc_plugin.h>
+#include <vlc_input.h>
+#include <vlc_access.h>
+#include <vlc_demux.h>
+#include <vlc_charset.h>
+#include <vlc_bits.h>
+#include <assert.h>
+
+#include "mpls.h"
+#include "clpi.h"
+
+/*****************************************************************************
+ * Module descriptor
+ *****************************************************************************/
+#define CACHING_TEXT N_("Caching value in ms")
+#define CACHING_LONGTEXT N_( \
+ "Caching value for BDs. This "\
+ "value should be set in milliseconds." )
+
+static int Open ( vlc_object_t * );
+static void Close( vlc_object_t * );
+
+vlc_module_begin ()
+ set_shortname( N_("BD") )
+ set_description( N_("BD Input") )
+ set_category( CAT_INPUT )
+ set_subcategory( SUBCAT_INPUT_ACCESS )
+ add_integer( "bd-caching", DEFAULT_PTS_DELAY / 1000, NULL,
+ CACHING_TEXT, CACHING_LONGTEXT, true );
+ set_capability( "access_demux", 60 )
+ add_shortcut( "bd" )
+ set_callbacks( Open, Close )
+vlc_module_end ()
+
+/*****************************************************************************
+ * Documentation
+ * I have used:
+ * - http://www.stebbins.biz/source/bdtools.tgz
+ * - hdcookbook java code
+ * - BDInfo source code
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Local prototypes
+ *****************************************************************************/
+struct demux_sys_t
+{
+ char *psz_base;
+
+ /* */
+ int i_mpls;
+ bd_mpls_t **pp_mpls;
+
+ /* */
+ int i_clpi;
+ bd_clpi_t **pp_clpi;
+
+ /* */
+ int i_title;
+ input_title_t **pp_title;
+
+ /* */
+ es_out_t *p_out;
+
+ /* Current state */
+ const bd_clpi_t *p_clpi;
+ int i_clpi_ep;
+ stream_t *p_parser;
+ stream_t *p_m2ts;
+ int i_play_item;
+ int i_packet;
+ int i_packet_start;
+ int i_packet_stop;
+ int i_packet_headers;
+ int64_t i_atc_initial;
+ int64_t i_atc_current;
+ int64_t i_atc_wrap;
+ int64_t i_atc_last;
+};
+
+static int Control( demux_t *, int, va_list );
+static int Demux( demux_t * );
+
+static char *FindPathBase( const char * );
+
+static int LoadPlaylist( demux_t * );
+static int LoadClip( demux_t * );
+
+static void ReorderPlaylist( demux_t * );
+
+static void InitTitles( demux_t * );
+static int SetTitle( demux_t *, int );
+static int SetChapter( demux_t *, int );
+static int64_t GetTime( demux_t * );
+static double GetPosition( demux_t * );
+static int SetTime( demux_t *, int64_t );
+static int SetPosition( demux_t *, double );
+
+static int SetPlayItem( demux_t *p_demux, int i_mpls, int i_play_item );
+static void ClosePlayItem( demux_t * );
+
+/* */
+static int64_t GetClpiPacket( demux_t *p_demux, int *pi_ep, const bd_mpls_clpi_t *p_mpls_clpi, int64_t i_time /* in 45kHz */ );
+
+static es_out_t *EsOutNew( demux_t *p_demux );
+
+//#define BD_DEBUG
+
+/*****************************************************************************
+ * Open:
+ *****************************************************************************/
+static int Open( vlc_object_t *p_this )
+{
+ demux_t *p_demux = (demux_t*)p_this;
+ demux_sys_t *p_sys;
+
+ if( *p_demux->psz_access && strcmp( p_demux->psz_access, "bd" ) )
+ return VLC_EGENERIC;
+
+ /* */
+ char *psz_base = FindPathBase( p_demux->psz_path );
+ if( !psz_base )
+ return VLC_EGENERIC;
+
+ msg_Dbg( p_demux, "Using path '%s'", psz_base );
+
+ /* Fill p_demux field */
+ p_demux->p_sys = p_sys = malloc( sizeof(*p_sys) );
+ if( !p_sys )
+ return VLC_EGENERIC;
+ p_sys->psz_base = psz_base;
+ TAB_INIT( p_sys->i_mpls, p_sys->pp_mpls );
+ TAB_INIT( p_sys->i_clpi, p_sys->pp_clpi );
+ TAB_INIT( p_sys->i_title, p_sys->pp_title );
+ p_demux->info.i_title = -1;
+ p_sys->p_clpi = NULL;
+ p_sys->i_clpi_ep = -1;
+ p_sys->p_parser = NULL;
+ p_sys->p_m2ts = NULL;
+ p_sys->i_play_item = -1;
+ p_sys->i_packet = -1;
+ p_sys->i_packet_start = -1;
+ p_sys->i_packet_stop = -1;
+ p_sys->i_packet_headers = -1;
+ p_sys->p_out = EsOutNew( p_demux );
+ if( !p_sys->p_out )
+ goto error;
+
+ p_demux->pf_control = Control;
+ p_demux->pf_demux = Demux;
+
+ /* Load all clip/playlist files */
+ LoadClip( p_demux );
+ LoadPlaylist( p_demux );
+
+ /* Reorder playlist to have the most significant first
+ * (as we don't have menu support, no idea how to find the main title */
+ ReorderPlaylist( p_demux );
+
+ /* Setup variables (for TS demuxer) */
+ var_Create( p_demux, "ts-es-id-pid", VLC_VAR_BOOL );
+ var_SetBool( p_demux, "ts-es-id-pid", true );
+
+ /* */
+ InitTitles( p_demux );
+ if( SetTitle( p_demux, 0 ) )
+ goto error;
+
+ return VLC_SUCCESS;
+
+error:
+ Close( VLC_OBJECT(p_demux) );
+ return VLC_EGENERIC;
+}
+
+/*****************************************************************************
+ * Close:
+ *****************************************************************************/
+static void Close( vlc_object_t *p_this )
+{
+ demux_t *p_demux = (demux_t*)p_this;
+ demux_sys_t *p_sys = p_demux->p_sys;
+
+ /* */
+ ClosePlayItem( p_demux );
+
+ /* */
+ es_out_Delete( p_sys->p_out );
+
+ /* Titles */
+ for( int i = 0; i < p_sys->i_title; i++ )
+ vlc_input_title_Delete( p_sys->pp_title[i] );
+ TAB_CLEAN( p_sys->i_title, p_sys->pp_title );
+
+ /* CLPI */
+ for( int i = 0; i < p_sys->i_clpi; i++ )
+ {
+ bd_clpi_t *p_clpi = p_sys->pp_clpi[i];
+
+ bd_clpi_Clean( p_clpi );
+ free( p_clpi );
+ }
+ TAB_CLEAN( p_sys->i_clpi, p_sys->pp_clpi );
+
+ /* MPLS */
+ for( int i = 0; i < p_sys->i_mpls; i++ )
+ {
+ bd_mpls_t *p_mpls = p_sys->pp_mpls[i];
+
+ bd_mpls_Clean( p_mpls );
+ free( p_mpls );
+ }
+ TAB_CLEAN( p_sys->i_mpls, p_sys->pp_mpls );
+
+ free( p_sys->psz_base );
+ free( p_sys );
+}
+
+/*****************************************************************************
+ * Control:
+ *****************************************************************************/
+static int Control( demux_t *p_demux, int i_query, va_list args )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+
+ switch( i_query )
+ {
+ case DEMUX_GET_TIME:
+ {
+ int64_t *pi_time = (int64_t*)va_arg( args, int64_t * );
+ *pi_time = GetTime( p_demux );
+ return VLC_SUCCESS;;
+ }
+
+ case DEMUX_GET_POSITION:
+ {
+ double *pf_position = (double*)va_arg( args, double * );
+ *pf_position = GetPosition( p_demux );
+ return VLC_SUCCESS;
+ }
+
+ case DEMUX_SET_TIME:
+ {
+ int64_t i_time = (int64_t)va_arg( args, int64_t );
+ return SetTime( p_demux, i_time );
+ }
+ case DEMUX_SET_POSITION:
+ {
+ double f_position = (double)va_arg( args, double );
+ return SetPosition( p_demux, f_position );
+ }
+
+ case DEMUX_GET_LENGTH:
+ {
+ int64_t *pi_length = (int64_t*)va_arg( args, int64_t * );
+ *pi_length = p_sys->pp_title[p_demux->info.i_title]->i_length;
+ return VLC_SUCCESS;
+ }
+
+ /* Special for access_demux */
+ case DEMUX_CAN_PAUSE:
+ case DEMUX_CAN_SEEK:
+ case DEMUX_CAN_CONTROL_PACE:
+ {
+ bool *pb_bool = (bool*)va_arg( args, bool * );
+ *pb_bool = true;
+ return VLC_SUCCESS;
+ }
+
+ case DEMUX_SET_PAUSE_STATE:
+ return VLC_SUCCESS;
+
+ case DEMUX_GET_TITLE_INFO:
+ {
+ input_title_t ***ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
+ int *pi_int = (int*)va_arg( args, int* );
+ int *pi_title_offset = (int*)va_arg( args, int* );
+ int *pi_chapter_offset = (int*)va_arg( args, int* );
+
+ /* */
+ *pi_title_offset = 0;
+ *pi_chapter_offset = 0;
+
+ /* Duplicate title infos */
+ *pi_int = p_sys->i_title;
+ *ppp_title = calloc( p_sys->i_title, sizeof(input_title_t **) );
+ for( int i = 0; i < p_sys->i_title; i++ )
+ (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->pp_title[i] );
+
+ return VLC_SUCCESS;
+ }
+
+ case DEMUX_SET_TITLE:
+ {
+ int i_title = (int)va_arg( args, int );
+
+ if( SetTitle( p_demux, i_title ) )
+ return VLC_EGENERIC;
+ return VLC_SUCCESS;
+ }
+ case DEMUX_SET_SEEKPOINT:
+ {
+ int i_chapter = (int)va_arg( args, int );
+
+ if( SetChapter( p_demux, i_chapter ) )
+ return VLC_EGENERIC;
+ return VLC_SUCCESS;
+ }
+
+ case DEMUX_GET_PTS_DELAY:
+ {
+ int64_t *pi_delay = (int64_t*)va_arg( args, int64_t * );
+ *pi_delay = var_GetInteger( p_demux, "bd-caching" ) * INT64_C(1000);
+ return VLC_SUCCESS;
+ }
+
+ case DEMUX_GET_META:
+
+ default:
+ return VLC_EGENERIC;
+ }
+}
+
+/*****************************************************************************
+ * Demux:
+ *****************************************************************************/
+#define BD_TS_PACKET_HEADER (4)
+#define BD_TS_PACKET_SIZE (192)
+static int Demux( demux_t *p_demux )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+ if( !p_sys->p_m2ts )
+ return -1;
+
+ /* */
+ if( p_sys->i_packet == p_sys->i_packet_start )
+ {
+ stream_Seek( p_sys->p_m2ts, 0 );
+
+ block_t *p_block = stream_Block( p_sys->p_m2ts,
+ p_sys->i_packet_headers * (int64_t)BD_TS_PACKET_SIZE + BD_TS_PACKET_HEADER );
+ if( p_block )
+ {
+ p_block->i_buffer -= BD_TS_PACKET_HEADER;
+ p_block->p_buffer += BD_TS_PACKET_HEADER;
+ stream_DemuxSend( p_sys->p_parser, p_block );
+ }
+
+ stream_Seek( p_sys->p_m2ts, p_sys->i_packet_start * (int64_t)BD_TS_PACKET_SIZE );
+ }
+
+ /* */
+ const int i_packets = __MIN( 5, p_sys->i_packet_stop - p_sys->i_packet );
+ if( i_packets <= 0 )
+ {
+ const int i_title = p_demux->info.i_title;
+ const bd_mpls_t *p_mpls = p_sys->pp_mpls[i_title];
+
+ if( p_sys->i_play_item < p_mpls->i_play_item )
+ {
+ if( !SetPlayItem( p_demux, i_title, p_sys->i_play_item + 1 ) )
+ return 1;
+ msg_Warn( p_demux, "Failed to switch to the next play item" );
+ }
+
+ /* */
+ if( SetTitle( p_demux, i_title + 1 ) )
+ return 0; /* EOF */
+ return 1;
+ }
+
+ /* XXX
+ * we ensure that the TS packet start at the begining of the buffer,
+ * it ensure proper TS parsing */
+ block_t *p_block = block_New( p_demux, i_packets * BD_TS_PACKET_SIZE + BD_TS_PACKET_HEADER );
+ if( !p_block )
+ return -1;
+
+ const int i_read = stream_Read( p_sys->p_m2ts, p_block->p_buffer, p_block->i_buffer - BD_TS_PACKET_HEADER );
+ if( i_read <= 0 )
+ {
+ msg_Err( p_demux, "Error reading current title" );
+ return -1;
+ }
+
+ if( i_read > 4 )
+ {
+ const int64_t i_atc = GetDWBE( p_block->p_buffer ) & ( (1 << 30) - 1 );
+
+ if( i_atc < p_sys->i_atc_last )
+ p_sys->i_atc_wrap += 1 << 30;
+ p_sys->i_atc_last = i_atc;
+
+ if( p_sys->i_atc_initial < 0 )
+ p_sys->i_atc_initial = i_atc + p_sys->i_atc_wrap;
+
+ p_sys->i_atc_current = i_atc + p_sys->i_atc_wrap;
+ }
+
+ p_block->i_buffer = i_read;
+ p_block->p_buffer += BD_TS_PACKET_HEADER;
+ stream_DemuxSend( p_sys->p_parser, p_block );
+
+ p_sys->i_packet += i_read / BD_TS_PACKET_SIZE;
+
+ /* Update EP */
+ if( p_sys->p_clpi->i_ep_map > 0 )
+ {
+ const int i_old_clpi_ep = p_sys->i_clpi_ep;
+
+ const bd_clpi_ep_map_t *p_ep_map = &p_sys->p_clpi->p_ep_map[0];
+ for( ; p_sys->i_clpi_ep+1 < p_ep_map->i_ep; p_sys->i_clpi_ep++ )
+ {
+ const bd_clpi_ep_t *p_ep = &p_ep_map->p_ep[p_sys->i_clpi_ep+1];
+
+ if( p_ep->i_packet > p_sys->i_packet )
+ break;
+ }
+ if( i_old_clpi_ep != p_sys->i_clpi_ep )
+ {
+ /* We have changed of EP */
+ p_sys->i_atc_initial = p_sys->i_atc_current; /* FIXME not exact */
+
+ /* Update seekpoint */
+ const input_title_t *p_title = p_sys->pp_title[p_demux->info.i_title];
+ const int64_t i_time = GetTime( p_demux );
+
+ for( ; p_demux->info.i_seekpoint+1 < p_title->i_seekpoint; p_demux->info.i_seekpoint++ )
+ {
+ const seekpoint_t *p_seekpoint = p_title->seekpoint[p_demux->info.i_seekpoint+1];
+ if( p_seekpoint->i_time_offset > i_time )
+ break;
+ p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
+ }
+ }
+ }
+ return 1;
+}
+
+/*****************************************************************************
+ *
+ *****************************************************************************/
+#define BD_45KHZ INT64_C(45000)
+static void InitTitles( demux_t *p_demux )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+
+ /* */
+ for( int i = 0; i < p_sys->i_mpls; i++ )
+ {
+ const bd_mpls_t *p_mpls = p_sys->pp_mpls[i];
+
+ input_title_t *t = vlc_input_title_New();
+ if( !t )
+ break;
+
+ /* */
+ t->i_length = 0;
+ for( int j = 0; j < p_mpls->i_play_item; j++ )
+ {
+ const bd_mpls_play_item_t *p_item = &p_mpls->p_play_item[j];
+
+ t->i_length += ( p_item->i_out_time - p_item->i_in_time ) * CLOCK_FREQ / BD_45KHZ;
+ }
+
+#ifdef BD_DEBUG
+ {
+ char psz_length[MSTRTIME_MAX_SIZE];
+ msg_Warn( p_demux, "TITLE[%d] %s", i, secstotimestr( psz_length, t->i_length / CLOCK_FREQ ) );
+ }
+#endif
+
+ /* Seekpoint */
+ for( int j = 0; j < p_mpls->i_mark; j++ )
+ {
+ bd_mpls_mark_t *p_mark = &p_mpls->p_mark[j];
+
+ if( p_mark->i_type == BD_MPLS_MARK_TYPE_BOOKMARK &&
+ p_mark->i_play_item_id >= 0 && p_mark->i_play_item_id < p_mpls->i_play_item )
+ {
+ seekpoint_t *s = vlc_seekpoint_New();
+ if( !s )
+ break;
+
+ for( int k = 0; k <= p_mark->i_play_item_id; k++ )
+ {
+ const bd_mpls_play_item_t *p_item = &p_mpls->p_play_item[k];
+ int64_t i_out_time;
+
+ if( k == p_mark->i_play_item_id )
+ i_out_time = p_mark->i_time;
+ else
+ i_out_time = p_item->i_out_time;
+ s->i_time_offset += ( i_out_time - p_item->i_in_time ) * CLOCK_FREQ / BD_45KHZ;
+ }
+#ifdef BD_DEBUG
+ {
+ char psz_time[MSTRTIME_MAX_SIZE];
+ msg_Warn( p_demux, " SEEKPOINT[%d] %s", j, secstotimestr( psz_time, s->i_time_offset / CLOCK_FREQ ) );
+ }
+#endif
+ TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
+ }
+ }
+ if( t->i_seekpoint <= 0 )
+ {
+ seekpoint_t *s = vlc_seekpoint_New();
+ if( s )
+ TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
+ }
+
+ TAB_APPEND( p_sys->i_title, p_sys->pp_title, t );
+ }
+}
+static int SetTitle( demux_t *p_demux, int i_title )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+
+ if( i_title < 0 || i_title >= p_sys->i_title )
+ return VLC_EGENERIC;
+
+
+ if( SetPlayItem( p_demux, i_title, 0 ) )
+ return VLC_EGENERIC;
+
+ /* */
+ p_demux->info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
+ p_demux->info.i_title = i_title;
+ p_demux->info.i_seekpoint = 0;
+
+ return VLC_SUCCESS;
+}
+static int SetChapter( demux_t *p_demux, int i_chapter )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+ const int i_title = p_demux->info.i_title;
+ const input_title_t *p_title = p_sys->pp_title[i_title];
+
+ if( i_chapter < 0 || i_chapter > p_title->i_seekpoint )
+ return VLC_EGENERIC;
+
+ if( SetTime( p_demux, p_title->seekpoint[i_chapter]->i_time_offset ) )
+ return VLC_EGENERIC;
+
+ return VLC_SUCCESS;
+}
+static int SetPlayItem( demux_t *p_demux, int i_mpls, int i_play_item )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+
+ /* FIXME TODO do not reopen everything when avoidable
+ * XXX becarefull that then the es_out wrapper need some sort of
+ * locking !!! */
+
+ /* */
+ const bool b_same_mpls = i_mpls == p_demux->info.i_title;
+ const bool b_same_play_item = b_same_mpls &&
+ i_play_item == p_sys->i_play_item;
+
+ /* */
+ const bd_mpls_t *p_mpls = p_sys->pp_mpls[i_mpls];
+
+ /* */
+ if( i_play_item < 0 || i_play_item >= p_mpls->i_play_item )
+ return VLC_EGENERIC;
+
+ const bd_mpls_play_item_t *p_item = &p_mpls->p_play_item[i_play_item];
+ const bd_mpls_clpi_t *p_mpls_clpi = &p_item->clpi;
+
+ const bd_clpi_t *p_clpi = NULL;
+ for( int i_clpi = 0; i_clpi < p_sys->i_clpi && !p_clpi; i_clpi++ )
+ {
+ if( p_sys->pp_clpi[i_clpi]->i_id == p_mpls_clpi->i_id )
+ p_clpi = p_sys->pp_clpi[i_clpi];
+ }
+
+ const bool b_same_clpi = b_same_mpls && p_sys->p_clpi->i_id == p_clpi->i_id;
+ stream_t *p_m2ts = NULL;
+ if( !b_same_clpi )
+ {
+ char *psz_m2ts;
+ if( asprintf( &psz_m2ts, "%s/STREAM/%05d.m2ts", p_sys->psz_base, p_mpls_clpi->i_id ) < 0 )
+ return VLC_EGENERIC;
+
+ p_m2ts = stream_UrlNew( p_demux, psz_m2ts );
+ if( !p_m2ts )
+ {
+ msg_Err( p_demux, "Failed to open %s", psz_m2ts );
+ free( psz_m2ts );
+ return VLC_EGENERIC;
+ }
+ free( psz_m2ts );
+ }
+
+ /* TODO avoid reopenning the parser when unneeded.
+ * - b_same_play_item is too strict, we should check the play_items connection.
+ * - a way to completely flush the demuxer is also needed !
+ */
+ const bool b_same_parser = b_same_play_item && false;
+ stream_t *p_parser = stream_DemuxNew( p_demux, "ts", p_sys->p_out );
+ if( !p_parser )
+ {
+ msg_Err( p_demux, "Failed to create TS demuxer" );
+ if( p_m2ts )
+ stream_Delete( p_m2ts );
+ return VLC_EGENERIC;
+ }
+
+ /* */
+ if( !p_m2ts )
+ {
+ msg_Dbg( p_demux, "Reusing stream file" );
+ p_m2ts = p_sys->p_m2ts;
+ p_sys->p_m2ts = NULL;
+ }
+
+ /* */
+ ClosePlayItem( p_demux );
+
+ /* */
+ p_sys->p_clpi = p_clpi;
+ p_sys->p_parser = p_parser;
+ p_sys->p_m2ts = p_m2ts;
+ p_sys->i_play_item = i_play_item;
+
+ p_sys->i_packet_start = GetClpiPacket( p_demux, &p_sys->i_clpi_ep, p_mpls_clpi, p_item->i_in_time );
+ if( p_sys->i_packet_start < 0 )
+ {
+ p_sys->i_packet_start = 0;
+ p_sys->i_clpi_ep = 0;
+ }
+
+ p_sys->i_packet_stop = GetClpiPacket( p_demux, NULL, p_mpls_clpi, p_item->i_out_time );
+ if( p_sys->i_packet_stop < 0 )
+ p_sys->i_packet_stop = stream_Size( p_m2ts ) / BD_TS_PACKET_SIZE;
+ p_sys->i_packet = p_sys->i_packet_start;
+
+ /* This is a hack to detect the number of packet to send before any data
+ * to have the PAT/PMT. I have no idea if it is the right, but seems to work.
+ * I used a limits of 10 packets, sufficient if it is really only headers */
+ p_sys->i_packet_headers = 0;
+ if( p_clpi->i_ep_map > 0 )
+ {
+ const bd_clpi_ep_map_t *p_ep_map = &p_clpi->p_ep_map[0];
+ if( p_ep_map->i_ep > 0 )
+ p_sys->i_packet_headers = __MIN( p_ep_map->p_ep[0].i_packet, 10 );
+ }
+
+ p_sys->i_atc_initial = -1;
+ p_sys->i_atc_current = -1;
+ p_sys->i_atc_last = -1;
+ p_sys->i_atc_wrap = 0;
+
+ return VLC_SUCCESS;
+}
+static void ClosePlayItem( demux_t *p_demux )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+
+ if( p_sys->p_m2ts )
+ stream_Delete( p_sys->p_m2ts );
+ if( p_sys->p_parser )
+ stream_Delete( p_sys->p_parser );
+
+ es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
+}
+
+static int64_t GetClpiPacket( demux_t *p_demux, int *pi_ep, const bd_mpls_clpi_t *p_mpls_clpi, int64_t i_time /* in 45kHz */ )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+
+ const bd_clpi_t *p_clpi = p_sys->p_clpi;
+ assert( p_clpi );
+
+ if( p_clpi->i_ep_map <= 0 )
+ return -1;
+ const bd_clpi_ep_map_t *p_ep_map = &p_clpi->p_ep_map[0];
+
+ if( p_mpls_clpi->i_stc_id < 0 || p_mpls_clpi->i_stc_id >= p_clpi->i_stc )
+ return -1;
+
+ const bd_clpi_stc_t *p_stc = &p_clpi->p_stc[p_mpls_clpi->i_stc_id];
+#if 0
+ /* Not sure it is right */
+ if( i_time < p_stc->i_start || i_time > p_stc->i_end )
+ return -1;
+#endif
+
+ const int64_t i_packet = p_stc->i_packet;
+ int i_ep;
+ for( i_ep = 0; i_ep < p_ep_map->i_ep; i_ep++ )
+ {
+ if( p_ep_map->p_ep[i_ep].i_packet >= i_packet )
+ break;
+ }
+ if( i_ep >= p_ep_map->i_ep )
+ return -1;
+
+ for( ; i_ep < p_ep_map->i_ep; i_ep++ )
+ {
+ const bd_clpi_ep_t *p_ep = &p_ep_map->p_ep[i_ep];
+ const bd_clpi_ep_t *p_ep_next = &p_ep_map->p_ep[i_ep+1];
+
+ if( i_ep+1 < p_ep_map->i_ep && p_ep_next->i_pts / 2 > i_time )
+ break;
+ if( p_ep->i_pts / 2 >= i_time )
+ break;
+ }
+ if( i_ep >= p_ep_map->i_ep )
+ return -1;
+
+ /* */
+ if( pi_ep )
+ *pi_ep = i_ep;
+ return p_ep_map->p_ep[i_ep].i_packet;
+}
+
+/**
+ * Retreive the current time using current EP + ATC delta
+ */
+static int64_t GetTime( demux_t *p_demux )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+ const int i_mpls = p_demux->info.i_title;
+
+ const bd_mpls_t *p_mpls = p_sys->pp_mpls[i_mpls];
+ const bd_mpls_play_item_t *p_item = &p_mpls->p_play_item[p_sys->i_play_item];
+
+ const bd_clpi_t *p_clpi = p_sys->p_clpi;
+ if( !p_clpi || p_clpi->i_ep_map <= 0 )
+ return 0;
+
+ /* */
+ const bd_clpi_ep_map_t *p_ep_map = &p_clpi->p_ep_map[0];
+ if( p_sys->i_clpi_ep < 0 || p_sys->i_clpi_ep >= p_ep_map->i_ep )
+ return 0;
+
+ const bd_clpi_ep_t *p_ep = &p_ep_map->p_ep[p_sys->i_clpi_ep];
+ int64_t i_time = p_ep->i_pts / 2 - p_item->i_in_time +
+ ( p_sys->i_atc_current - p_sys->i_atc_initial ) / 300 / 2;
+
+ for( int j = 0; j < p_sys->i_play_item; j++ )
+ {
+ const bd_mpls_play_item_t *p_item = &p_mpls->p_play_item[j];
+ i_time += ( p_item->i_out_time - p_item->i_in_time );
+ }
+
+ return i_time * CLOCK_FREQ / BD_45KHZ;
+}
+
+static double GetPosition( demux_t *p_demux )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+
+ const int64_t i_time = GetTime( p_demux );
+ const input_title_t *p_title = p_sys->pp_title[p_demux->info.i_title];
+
+ if( p_title->i_length <= 0 )
+ return 0.0;
+
+ return (double)i_time / p_title->i_length;
+}
+
+static int SetTime( demux_t *p_demux, int64_t i_time )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+ const int i_mpls = p_demux->info.i_title;
+ const input_title_t *p_title = p_sys->pp_title[i_mpls];
+ const bd_mpls_t *p_mpls = p_sys->pp_mpls[i_mpls];
+
+ /* Find the play item */
+ int i_item;
+ int64_t i_play_item_time = 0;
+ for( i_item = 0; i_item < p_mpls->i_play_item; i_item++ )
+ {
+ const bd_mpls_play_item_t *p_item = &p_mpls->p_play_item[i_item];
+ const int64_t i_duration = ( p_item->i_out_time - p_item->i_in_time ) * CLOCK_FREQ / BD_45KHZ;
+
+ if( i_time >= i_play_item_time && i_time < i_play_item_time + i_duration )
+ break;
+
+ i_play_item_time += i_duration;
+ }
+
+ if( i_item >= p_mpls->i_play_item )
+ return VLC_EGENERIC;
+
+ if( SetPlayItem( p_demux, i_mpls, i_item ) )
+ return VLC_EGENERIC;
+
+
+ /* Find the right entry point */
+ if( p_sys->p_clpi->i_ep_map <= 0 )
+ goto update;
+
+ const bd_clpi_ep_map_t *p_ep_map = &p_sys->p_clpi->p_ep_map[0];
+ if( p_ep_map->i_ep <= 0 )
+ goto update;
+
+ int64_t i_next_display_date = -1;
+ for( ; p_sys->i_clpi_ep+1 < p_ep_map->i_ep; p_sys->i_clpi_ep++ )
+ {
+ const bd_clpi_ep_t *p_next = &p_ep_map->p_ep[p_sys->i_clpi_ep+1];
+ const int64_t i_next_time = i_play_item_time + ( ( p_next->i_pts / 2 - p_mpls->p_play_item[i_item].i_in_time ) * CLOCK_FREQ / BD_45KHZ );
+
+ if( i_next_time > i_time )
+ {
+ const bd_clpi_ep_t *p_ep = &p_ep_map->p_ep[p_sys->i_clpi_ep];
+ const int64_t i_ep_time = i_play_item_time + ( ( p_ep->i_pts / 2 - p_mpls->p_play_item[i_item].i_in_time ) * CLOCK_FREQ / BD_45KHZ );
+
+
+ i_next_display_date = p_ep->i_pts * CLOCK_FREQ / 90000 + ( i_time - i_ep_time );
+ break;
+ }
+ }
+
+ const bd_clpi_ep_t *p_ep = &p_ep_map->p_ep[p_sys->i_clpi_ep];
+ p_sys->i_packet_start =
+ p_sys->i_packet = p_ep->i_packet;
+
+ if( i_next_display_date >= 0 )
+ es_out_Control( p_demux->out, ES_OUT_SET_NEXT_DISPLAY_TIME, i_next_display_date );
+
+update:
+ /* Update seekpoint */
+ for( p_demux->info.i_seekpoint = 0; p_demux->info.i_seekpoint+1 < p_title->i_seekpoint; p_demux->info.i_seekpoint++ )
+ {
+ const seekpoint_t *p_seekpoint = p_title->seekpoint[p_demux->info.i_seekpoint+1];
+ if( p_seekpoint->i_time_offset > i_time )
+ break;
+ }
+ p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
+ return VLC_SUCCESS;
+}
+
+static int SetPosition( demux_t *p_demux, double f_position )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+ const input_title_t *p_title = p_sys->pp_title[p_demux->info.i_title];
+
+ if( p_title->i_length <= 0 )
+ return VLC_EGENERIC;
+
+ return SetTime( p_demux, f_position * p_title->i_length );
+}
+
+/*****************************************************************************
+ * Mpls ordering
+ *****************************************************************************/
+static int64_t GetMplsUniqueDuration( const bd_mpls_t *p_mpls )
+{
+ int64_t i_length = 0;
+
+ for( int i = 0; i < p_mpls->i_play_item; i++ )
+ {
+ const bd_mpls_play_item_t *p_item0 = &p_mpls->p_play_item[i];
+ int j;
+ for( j = i+1; j < p_mpls->i_play_item; j++ )
+ {
+ const bd_mpls_play_item_t *p_item1 = &p_mpls->p_play_item[j];
+ if( p_item0->clpi.i_id == p_item1->clpi.i_id &&
+ p_item0->clpi.i_stc_id == p_item1->clpi.i_stc_id &&
+ p_item0->i_in_time == p_item1->i_in_time &&
+ p_item0->i_out_time == p_item1->i_out_time )
+ break;
+ }
+ if( j >= p_mpls->i_play_item )
+ i_length += p_item0->i_out_time - p_item0->i_in_time;
+ }
+ return i_length;
+}
+static int SortMpls( void **pp_a, void **pp_b )
+{
+ const int64_t i_length_a = GetMplsUniqueDuration( *pp_a );
+ const int64_t i_length_b = GetMplsUniqueDuration( *pp_b );
+
+ if( i_length_a == i_length_b )
+ return 0;
+ return i_length_a < i_length_b ? 1 : -1;
+}
+
+static void ReorderPlaylist( demux_t *p_demux )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+ qsort( p_sys->pp_mpls, p_sys->i_mpls, sizeof(*p_sys->pp_mpls), SortMpls );
+}
+/*****************************************************************************
+ * Helpers:
+ *****************************************************************************/
+/* */
+static char *FindPathBase( const char *psz_path )
+{
+ struct stat s;
+ char *psz_tmp;
+
+ /* */
+ char *psz_base = strdup( psz_path );
+ if( !psz_base )
+ return NULL;
+
+ /* */
+ while( *psz_base && psz_base[strlen(psz_base)-1] == '/' )
+ psz_base[strlen(psz_base)-1] = '\0';
+
+ /* */
+ if( utf8_stat( psz_base, &s ) || !S_ISDIR( s.st_mode ) )
+ goto error;
+
+ /* Check BDMV */
+ if( asprintf( &psz_tmp, "%s/BDMV", psz_base ) < 0 )
+ goto error;
+ if( !utf8_stat( psz_tmp, &s ) && S_ISDIR( s.st_mode ) )
+ {
+ free( psz_base );
+ psz_base = psz_tmp;
+ }
+ else
+ {
+ free( psz_tmp );
+ }
+
+ /* Check presence of mandatory files */
+ for( int i = 0;; i++ )
+ {
+ static const char *ppsz_name[] = {
+ "index.bdmv",
+ "MovieObject.bdmv",
+ NULL
+ };
+ if( !ppsz_name[i] )
+ break;
+
+ if( asprintf( &psz_tmp, "%s/%s", psz_base, ppsz_name[i] ) < 0 )
+ goto error;
+
+ bool b_ok = utf8_stat( psz_tmp, &s ) == 0 && S_ISREG( s.st_mode );
+
+ free( psz_tmp );
+ if( !b_ok )
+ goto error;
+ }
+
+ return psz_base;
+
+error:
+ free( psz_base );
+ return NULL;
+}
+
+/* */
+static block_t *LoadBlock( demux_t *p_demux, const char *psz_name )
+{
+ stream_t *s = stream_UrlNew( p_demux, psz_name );
+ if( !s )
+ return NULL;
+
+ const int64_t i_size = stream_Size( s );
+ block_t *p_block = NULL;
+
+ if( i_size > 0 && i_size < INT_MAX )
+ p_block = stream_Block( s, i_size );
+
+ stream_Delete( s );
+
+ return p_block;
+}
+
+/* */
+static int FilterMpls( const char *psz_name )
+{
+ return strlen( psz_name ) == strlen( "xxxxx.mpls" ) &&
+ !strcmp( &psz_name[5], ".mpls" );
+}
+
+static void LoadMpls( demux_t *p_demux, const char *psz_name, int i_id )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+
+#if defined(BD_DEBUG)
+ msg_Err( p_demux, "Loading %s", psz_name );
+#endif
+
+ block_t *p_block = LoadBlock( p_demux, psz_name );
+ if( !p_block )
+ goto error;
+
+ /* */
+ bd_mpls_t *p_mpls = malloc( sizeof(*p_mpls) );
+ if( !p_mpls )
+ goto error;
+
+ /* */
+ bs_t s;
+ bs_init( &s, p_block->p_buffer, p_block->i_buffer );
+
+ if( bd_mpls_Parse( p_mpls, &s, i_id ) )
+ goto error;
+
+#if defined(BD_DEBUG)
+ msg_Err( p_demux, "MPLS: id=%d", p_mpls->i_id );
+ msg_Err( p_demux, "MPLS: play_item=%d sub_path=%d",
+ p_mpls->i_play_item, p_mpls->i_sub_path );
+
+ for( int i = 0; i < p_mpls->i_play_item; i++ )
+ {
+ bd_mpls_play_item_t *p_item = &p_mpls->p_play_item[i];
+
+ msg_Err( p_demux, "PLAY_ITEM[%d] connection=%d in=%d out=%d still=%d(%d)",
+ i, p_item->i_connection,
+ (int)p_item->i_in_time, (int)p_item->i_out_time,
+ p_item->i_still, p_item->i_still_time );
+ msg_Err( p_demux, " clpi_default: id=%d stc_id=%d",
+ p_item->clpi.i_id, p_item->clpi.i_stc_id );
+ for( int j = 0; j < p_item->i_clpi; j++ )
+ msg_Err( p_demux, " clpi[%d]: id=%d stc_id=%d",
+ j, p_item->p_clpi[j].i_id, p_item->p_clpi[j].i_stc_id );
+ for( int j = 0; j < p_item->i_stream; j++ )
+ msg_Err( p_demux, " stream[%d]: type=%d class=%d stream_type=0x%x lang=%s charset=%d",
+ j,
+ p_item->p_stream[j].i_type,
+ p_item->p_stream[j].i_class,
+ p_item->p_stream[j].i_stream_type,
+ p_item->p_stream[j].psz_language,
+ p_item->p_stream[j].i_charset );
+ }
+
+ for( int i = 0; i < p_mpls->i_sub_path; i++ )
+ {
+ bd_mpls_sub_path_t *p_sub = &p_mpls->p_sub_path[i];
+
+ msg_Err( p_demux, "SUB_PATH[%d] type=%d repeat=%d item=%d",
+ i, p_sub->i_type, p_sub->b_repeat, p_sub->i_item );
+ }
+
+ for( int i = 0; i < p_mpls->i_mark; i++ )
+ {
+ bd_mpls_mark_t *p_mark = &p_mpls->p_mark[i];
+
+ msg_Err( p_demux, "M[%d] t=%d play_item_id=%d time=%d entry_es_pid=%d",
+ i, p_mark->i_type, p_mark->i_play_item_id, (int)p_mark->i_time, p_mark->i_entry_es_pid );
+ }
+#endif
+
+ /* */
+ TAB_APPEND( p_sys->i_mpls, p_sys->pp_mpls, p_mpls );
+
+ /* */
+ block_Release( p_block );
+ return;
+
+error:
+ msg_Err( p_demux, "Failed loading %s", psz_name );
+ if( p_block )
+ block_Release( p_block );
+}
+
+/* */
+static int FilterClpi( const char *psz_name )
+{
+ return strlen( psz_name ) == strlen( "xxxxx.clpi" ) &&
+ !strcmp( &psz_name[5], ".clpi" );
+}
+
+static void LoadClpi( demux_t *p_demux, const char *psz_name, int i_id )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+
+#if defined(BD_DEBUG)
+ msg_Err( p_demux, "Loading %s", psz_name );
+#endif
+
+ block_t *p_block = LoadBlock( p_demux, psz_name );
+ if( !p_block )
+ goto error;
+
+ /* */
+ bd_clpi_t *p_clpi = malloc( sizeof(*p_clpi) );
+ if( !p_clpi )
+ goto error;
+
+ /* */
+ bs_t s;
+ bs_init( &s, p_block->p_buffer, p_block->i_buffer );
+
+ if( bd_clpi_Parse( p_clpi, &s, i_id ) )
+ goto error;
+
+#if defined(BD_DEBUG)
+ msg_Err( p_demux, "CLPI: id=%d", p_clpi->i_id );
+ msg_Err( p_demux, "CLPI: STC=%d", p_clpi->i_stc );
+ for( int i = 0; i < p_clpi->i_stc; i++ )
+ msg_Err( p_demux, " STC[%d] pcr_pid=%d packet=%d start=%d end=%d",
+ i, p_clpi->p_stc[i].i_pcr_pid, (int)p_clpi->p_stc[i].i_packet,
+ (int)p_clpi->p_stc[i].i_start, (int)p_clpi->p_stc[i].i_end );
+ msg_Err( p_demux, "CLPI: Stream=%d", p_clpi->i_stream );
+ for( int i = 0; i < p_clpi->i_stream; i++ )
+ msg_Err( p_demux, " Stream[%d] pid=%d type=0x%x",
+ i, p_clpi->p_stream[i].i_pid, p_clpi->p_stream[i].i_type );
+ msg_Err( p_demux, "CLPI: Ep Map=%d", p_clpi->i_ep_map );
+ for( int i = 0; i < p_clpi->i_ep_map; i++ )
+ {
+ const bd_clpi_ep_map_t *p_ep_map = &p_clpi->p_ep_map[i];
+ msg_Err( p_demux, " Ep Map[%d] pid=%d type=0x%x entry_point=%d",
+ i, p_ep_map->i_pid, p_ep_map->i_type, p_ep_map->i_ep );
+ for( int j = 0; j < p_ep_map->i_ep; j++ )
+ {
+ msg_Err( p_demux, " Ep[%d] packet=%d pts=%d",
+ j, (int)p_ep_map->p_ep[j].i_packet, (int)p_ep_map->p_ep[j].i_pts );
+ }
+ }
+#endif
+
+ /* */
+ TAB_APPEND( p_sys->i_clpi, p_sys->pp_clpi, p_clpi );
+
+ /* */
+ block_Release( p_block );
+ return;
+
+error:
+ msg_Err( p_demux, "Failed loading %s", psz_name );
+ if( p_block )
+ block_Release( p_block );
+}
+
+/* */
+static int ScanSort( const char **ppsz_a, const char **ppsz_b )
+{
+ return strcmp( *ppsz_a, *ppsz_b );
+}
+
+static int Load( demux_t *p_demux,
+ const char *psz_dir,
+ int (*pf_filter)( const char * ),
+ void (*pf_load)( demux_t *p_demux, const char *psz_name, int i_id ) )
+{
+ char *psz_playlist;
+ if( asprintf( &psz_playlist, "%s/%s", p_demux->p_sys->psz_base, psz_dir ) < 0 )
+ return VLC_EGENERIC;
+
+ char **ppsz_list;
+
+ int i_list = utf8_scandir( psz_playlist, &ppsz_list, pf_filter, ScanSort );
+
+ for( int i = 0; i < i_list; i++ )
+ {
+ char *psz_file = ppsz_list[i];
+ if( !psz_file )
+ break;
+
+ char *psz_name;
+ if( asprintf( &psz_name, "%s/%s/%s", p_demux->p_sys->psz_base, psz_dir, psz_file ) >= 0)
+ {
+ const int i_id = strtol( psz_file, NULL, 10 );
+ pf_load( p_demux, psz_name, i_id );
+ free( psz_name );
+ }
+ free( psz_file );
+ }
+ free( ppsz_list );
+
+ free( psz_playlist );
+ return VLC_SUCCESS;
+}
+
+static int LoadPlaylist( demux_t *p_demux )
+{
+ return Load( p_demux, "PLAYLIST", FilterMpls, LoadMpls );
+}
+static int LoadClip( demux_t *p_demux )
+{
+ return Load( p_demux, "CLIPINF", FilterClpi, LoadClpi );
+}
+
+/* */
+struct es_out_sys_t
+{
+ demux_t *p_demux;
+};
+
+static es_out_id_t *EsOutAdd( es_out_t *p_out, const es_format_t *p_fmt )
+{
+ demux_t *p_demux = p_out->p_sys->p_demux;
+ const bd_mpls_t *p_mpls = p_demux->p_sys->pp_mpls[p_demux->info.i_title];
+ const bd_mpls_play_item_t *p_item = &p_mpls->p_play_item[p_demux->p_sys->i_play_item];
+
+ es_format_t fmt;
+
+ es_format_Copy( &fmt, p_fmt );
+ fmt.i_priority = -2;
+
+ for( int i = 0; i < p_item->i_stream; i++ )
+ {
+ const bd_mpls_stream_t *p_stream = &p_item->p_stream[i];
+ if( p_stream->i_type != BD_MPLS_STREAM_TYPE_PLAY_ITEM ||
+ p_stream->play_item.i_pid != fmt.i_id )
+ continue;
+
+ /* TODO improved priority for higher quality stream ?
+ * if so, extending stream attributes parsing might be a good idea
+ */
+ fmt.i_priority = 0;
+
+#if 0
+ /* Useless, and beside not sure it is the right thing to do */
+ free( fmt.psz_description );
+ switch( p_stream->i_class )
+ {
+ case BD_MPLS_STREAM_CLASS_SECONDARY_AUDIO:
+ fmt.psz_description = strdup( "Secondary audio" );
+ break;
+ default:
+ fmt.psz_description = NULL;
+ break;
+ }
+#endif
+
+ //msg_Err( p_demux, "Found ref for stream pid %d", fmt.i_id );
+ if( *p_stream->psz_language && ( !fmt.psz_language || *fmt.psz_language == '\0' ) )
+ {
+ free( fmt.psz_language );
+ fmt.psz_language = strdup( p_stream->psz_language );
+ }
+ switch( p_stream->i_charset )
+ {
+ /* TODO add all values */
+ default:
+ break;
+ }
+ break;
+ }
+ if( fmt.i_priority < 0 )
+ msg_Dbg( p_demux, "Hidding one stream (pid=%d)", fmt.i_id );
+
+ /* */
+ es_out_id_t *p_es = es_out_Add( p_demux->out, &fmt );
+
+ es_format_Clean( &fmt );
+ return p_es;
+}
+static int EsOutSend( es_out_t *p_out, es_out_id_t *p_es, block_t *p_block )
+{
+ return es_out_Send( p_out->p_sys->p_demux->out, p_es, p_block );
+}
+static void EsOutDel( es_out_t *p_out, es_out_id_t *p_es )
+{
+ es_out_Del( p_out->p_sys->p_demux->out, p_es );
+}
+static int EsOutControl( es_out_t *p_out, int i_query, va_list args )
+{
+ return es_out_vaControl( p_out->p_sys->p_demux->out, i_query, args );
+}
+static void EsOutDestroy( es_out_t *p_out )
+{
+ free( p_out->p_sys );
+ free( p_out );
+}
+
+static es_out_t *EsOutNew( demux_t *p_demux )
+{
+ es_out_t *p_out = malloc( sizeof(*p_out) );
+ es_out_sys_t *p_sys;
+
+ if( !p_out )
+ return NULL;
+
+ p_out->pf_add = EsOutAdd;
+ p_out->pf_send = EsOutSend;
+ p_out->pf_del = EsOutDel;
+ p_out->pf_control = EsOutControl;
+ p_out->pf_destroy = EsOutDestroy;
+ p_out->b_sout = false;
+
+ p_out->p_sys = p_sys = malloc( sizeof(*p_sys) );
+ if( !p_sys )
+ {
+ free( p_out );
+ return NULL;
+ }
+ p_sys->p_demux = p_demux;
+
+ return p_out;
+}
+
--- /dev/null
+/*****************************************************************************
+ * mpls.c: BluRay Disc MPLS
+ *****************************************************************************
+ * Copyright (C) 2009 the VideoLAN team
+ * $Id$
+ *
+ * Authors: Laurent Aimar <fenrir _AT_ videolan _DOT_ org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+#include <limits.h>
+
+#include <vlc_common.h>
+#include <vlc_bits.h>
+#include "mpls.h"
+
+
+/* MPLS */
+void bd_mpls_stream_Parse( bd_mpls_stream_t *p_stream, bs_t *s, int i_class )
+{
+ /* Stream entry parsing */
+ const int i_entry_length = bs_read( s, 8 );
+ const int i_entry_start = bs_pos( s ) / 8;
+
+ p_stream->i_type = bs_read( s, 8 );
+ p_stream->i_class = i_class;
+ if( p_stream->i_type == BD_MPLS_STREAM_TYPE_PLAY_ITEM )
+ {
+ p_stream->play_item.i_pid = bs_read( s, 16 );
+ }
+ else if( p_stream->i_type == BD_MPLS_STREAM_TYPE_SUB_PATH )
+ {
+ p_stream->sub_path.i_sub_path_id = bs_read( s, 8 );
+ p_stream->sub_path.i_sub_clip_id = bs_read( s, 8 );
+ p_stream->sub_path.i_pid = bs_read( s, 16 );
+ }
+ else if( p_stream->i_type == BD_MPLS_STREAM_TYPE_IN_MUX_SUB_PATH )
+ {
+ p_stream->in_mux_sub_path.i_sub_path_id = bs_read( s, 8 );
+ p_stream->in_mux_sub_path.i_pid = bs_read( s, 16 );
+ }
+ bs_skip( s, 8 * ( i_entry_start + i_entry_length ) - bs_pos( s ) );
+
+ /* Stream attributes parsing */
+ const int i_attributes_length = bs_read( s, 8 );
+ const int i_attributes_start = bs_pos( s ) / 8;
+
+ p_stream->i_stream_type = bs_read( s, 8 );
+ strcpy( p_stream->psz_language, "" );
+ p_stream->i_charset = -1;
+
+ if( p_stream->i_stream_type == 0x02 || /* MPEG-I/II */
+ p_stream->i_stream_type == 0x1b || /* AVC */
+ p_stream->i_stream_type == 0xea ) /* VC-1 */
+ {
+ /* Video */
+ }
+ else if( ( p_stream->i_stream_type >= 0x80 && p_stream->i_stream_type <= 0x8f ) ||
+ ( p_stream->i_stream_type >= 0xa0 && p_stream->i_stream_type <= 0xaf ) )
+ {
+ /* Audio */
+ bs_skip( s, 4 );
+ bs_skip( s, 4 );
+ for( int i = 0; i < 3; i++ )
+ p_stream->psz_language[i] = bs_read( s, 8 );
+ p_stream->psz_language[3] = '\0';
+ }
+ else if( p_stream->i_stream_type == 0x90 || /* PG stream */
+ p_stream->i_stream_type == 0x91 ) /* IG stream */
+ {
+ for( int i = 0; i < 3; i++ )
+ p_stream->psz_language[i] = bs_read( s, 8 );
+ p_stream->psz_language[3] = '\0';
+ }
+ else if( p_stream->i_stream_type == 0x92 ) /* Text stream */
+ {
+ p_stream->i_charset = bs_read( s, 8 );
+ for( int i = 0; i < 3; i++ )
+ p_stream->psz_language[i] = bs_read( s, 8 );
+ p_stream->psz_language[3] = '\0';
+ }
+
+ bs_skip( s, 8 * ( i_attributes_start + i_attributes_length ) - bs_pos( s ) );
+}
+
+void bd_mpls_play_item_Clean( bd_mpls_play_item_t *p_item )
+{
+ free( p_item->p_clpi );
+ free( p_item->p_stream );
+}
+void bd_mpls_play_item_Parse( bd_mpls_play_item_t *p_item, bs_t *s )
+{
+ const int i_length = bs_read( s, 16 );
+ const int i_start = bs_pos( s ) / 8;
+
+ char psz_name[5+1];
+ for( int j = 0; j < 5; j++ )
+ psz_name[j] = bs_read( s, 8 );
+ psz_name[5] = '\0';
+
+ p_item->clpi.i_id = strtol( psz_name, NULL, 10 );
+
+ bs_skip( s, 32 );
+
+ bs_skip( s, 11 );
+ const bool b_angle = bs_read( s, 1 );
+
+ p_item->i_connection = bs_read( s, 4 );
+ p_item->clpi.i_stc_id = bs_read( s, 8 );
+ p_item->i_in_time = bs_read( s, 32 );
+ p_item->i_out_time = bs_read( s, 32 );
+ bs_skip( s, 64 );
+ bs_skip( s, 1 );
+ bs_skip( s, 7 );
+ p_item->i_still = bs_read( s, 8 );
+ p_item->i_still_time = bs_read( s, 16 );
+ if( p_item->i_still == BD_MPLS_PLAY_ITEM_STILL_NONE )
+ p_item->i_still_time = 0;
+ else if( p_item->i_still == BD_MPLS_PLAY_ITEM_STILL_INFINITE )
+ p_item->i_still_time = INT_MAX;
+
+ if( b_angle )
+ {
+ const int i_angle = bs_read( s, 8 );
+ bs_skip( s, 6 );
+ p_item->b_angle_different_audio = bs_read( s, 1 );
+ p_item->b_angle_seamless = bs_read( s, 1 );
+
+ p_item->p_clpi = calloc( i_angle, sizeof(*p_item->p_clpi) );
+ for( p_item->i_clpi = 0; p_item->i_clpi < i_angle; p_item->i_clpi++ )
+ {
+ if( !p_item->p_clpi )
+ break;
+
+ bd_mpls_clpi_t *p_clpi = &p_item->p_clpi[p_item->i_clpi];
+
+ char psz_name[5+1];
+ for( int j = 0; j < 5; j++ )
+ psz_name[j] = bs_read( s, 8 );
+ psz_name[5] = '\0';
+
+ p_clpi->i_id = strtol( psz_name, NULL, 10 );
+
+ bs_skip( s, 32 );
+
+ p_clpi->i_stc_id = bs_read( s, 8 );
+ }
+ }
+ else
+ {
+ p_item->i_clpi = 0;
+ p_item->p_clpi = NULL;
+ p_item->b_angle_different_audio = false;
+ p_item->b_angle_seamless = true;
+ }
+
+ /* STN Table */
+ bs_skip( s, 16 ); /* Length */
+ bs_skip( s, 16 );
+
+ const int i_video = bs_read( s, 8 );
+ const int i_audio = bs_read( s, 8 );
+ const int i_pg = bs_read( s, 8 );
+ const int i_ig = bs_read( s, 8 );
+ const int i_audio_2 = bs_read( s, 8 );
+ const int i_video_2 = bs_read( s, 8 );
+ const int i_pip_pg = bs_read( s, 8 );
+ bs_skip( s, 40 );
+
+ p_item->i_stream = 0;
+ p_item->p_stream = calloc( i_video + i_audio + i_pg + i_ig,
+ sizeof(*p_item->p_stream) );
+
+ for( int j = 0; j < i_video; j++, p_item->i_stream++ )
+ {
+ if( !p_item->p_stream )
+ break;
+
+ bd_mpls_stream_Parse( &p_item->p_stream[p_item->i_stream], s,
+ BD_MPLS_STREAM_CLASS_PRIMARY_VIDEO );
+ }
+ for( int j = 0; j < i_audio; j++, p_item->i_stream++ )
+ {
+ if( !p_item->p_stream )
+ break;
+
+ bd_mpls_stream_Parse( &p_item->p_stream[p_item->i_stream], s,
+ BD_MPLS_STREAM_CLASS_PRIMARY_AUDIO );
+ }
+ for( int j = 0; j < i_pg; j++, p_item->i_stream++ )
+ {
+ if( !p_item->p_stream )
+ break;
+
+ bd_mpls_stream_Parse( &p_item->p_stream[p_item->i_stream], s,
+ BD_MPLS_STREAM_CLASS_PG );
+ }
+ for( int j = 0; j < i_ig; j++, p_item->i_stream++ )
+ {
+ if( !p_item->p_stream )
+ break;
+
+ bd_mpls_stream_Parse( &p_item->p_stream[p_item->i_stream], s,
+ BD_MPLS_STREAM_CLASS_IG );
+ }
+ for( int j = 0; j < i_audio_2; j++ )
+ {
+ /* TODO I need samples */
+ }
+ for( int j = 0; j < i_video_2; j++ )
+ {
+ /* TODO I need samples */
+ }
+ for( int j = 0; j < i_pip_pg; j++ )
+ {
+ /* TODO I need samples */
+ }
+
+ bs_skip( s, 8 * ( i_start + i_length ) - bs_pos( s ) );
+}
+
+void bd_mpls_sub_path_Parse( bd_mpls_sub_path_t *p_path, bs_t *s )
+{
+ const uint32_t i_length = bs_read( s, 32 );
+ const int i_start = bs_pos( s ) / 8;
+
+ bs_skip( s, 8 );
+ p_path->i_type = bs_read( s, 8 );
+ bs_skip( s, 15 );
+ p_path->b_repeat = bs_read( s, 1 );
+ bs_skip( s, 8 );
+ p_path->i_item = bs_read( s, 8 );
+
+ for( int j = 0; j < p_path->i_item; j++ )
+ {
+ const int i_length = bs_read( s, 16 );
+ const int i_start = bs_pos( s ) / 8;
+
+ /* TODO */
+
+ bs_skip( s, 8 * ( i_start + i_length ) - bs_pos( s ) );
+ }
+
+ bs_skip( s, 8 * ( i_start + i_length ) - bs_pos( s ) );
+}
+
+void bd_mpls_mark_Parse( bd_mpls_mark_t *p_mark, bs_t *s )
+{
+ bs_skip( s, 8 );
+ p_mark->i_type = bs_read( s, 8 );
+ p_mark->i_play_item_id = bs_read( s, 16 );
+ p_mark->i_time = bs_read( s, 32 );
+ p_mark->i_entry_es_pid = bs_read( s, 16 );
+ bs_skip( s, 32 );
+}
+
+void bd_mpls_Clean( bd_mpls_t *p_mpls )
+{
+ for( int i = 0; i < p_mpls->i_play_item; i++ )
+ bd_mpls_play_item_Clean( &p_mpls->p_play_item[i] );
+ free( p_mpls->p_play_item );
+
+ free( p_mpls->p_sub_path );
+
+ free( p_mpls->p_mark );
+}
+
+int bd_mpls_Parse( bd_mpls_t *p_mpls, bs_t *s, int i_id )
+{
+ const int i_start = bs_pos( s ) / 8;
+
+ /* */
+ if( bs_read( s, 32 ) != 0x4d504c53 )
+ return VLC_EGENERIC;
+ if( bs_read( s, 32 ) != 0x30323030 )
+ return VLC_EGENERIC;
+
+ const uint32_t i_play_item_start = bs_read( s, 32 );
+ const uint32_t i_mark_start = bs_read( s, 32 );
+ bs_skip( s, 32 ); /* Extension start */
+
+ /* */
+ p_mpls->i_id = i_id;
+
+ /* Read AppInfo: ignored */
+
+ /* Read Playlist */
+ bs_t ps = *s;
+ bs_skip( &ps, 8 * ( i_start + i_play_item_start ) - bs_pos( s ) );
+ bs_skip( &ps, 32 ); /* Length */
+ bs_skip( &ps, 16 );
+ const int i_play_item = bs_read( &ps, 16 );
+ const int i_sub_path = bs_read( &ps, 16 );
+
+ p_mpls->p_play_item = calloc( i_play_item, sizeof(*p_mpls->p_play_item) );
+ for( p_mpls->i_play_item = 0; p_mpls->i_play_item < i_play_item; p_mpls->i_play_item++ )
+ {
+ if( !p_mpls->p_play_item )
+ break;
+ bd_mpls_play_item_t *p_item = &p_mpls->p_play_item[p_mpls->i_play_item];
+
+ bd_mpls_play_item_Parse( p_item, &ps );
+ }
+ p_mpls->p_sub_path = calloc( i_sub_path, sizeof(*p_mpls->p_sub_path) );
+ for( p_mpls->i_sub_path = 0; p_mpls->i_sub_path < i_sub_path; p_mpls->i_sub_path++ )
+ {
+ if( !p_mpls->p_sub_path )
+ break;
+ bd_mpls_sub_path_t *p_sub = &p_mpls->p_sub_path[p_mpls->i_sub_path];
+
+ bd_mpls_sub_path_Parse( p_sub, &ps );
+ }
+
+ /* Read Mark */
+ bs_t ms = *s;
+ bs_skip( &ms, 8 * ( i_start + i_mark_start ) - bs_pos( s ) );
+ bs_skip( &ms, 32 );
+ const int i_mark = bs_read( &ms, 16 );
+
+ p_mpls->p_mark = calloc( i_mark, sizeof(*p_mpls->p_mark) );
+ for( p_mpls->i_mark = 0; p_mpls->i_mark < i_mark; p_mpls->i_mark++ )
+ {
+ if( !p_mpls->p_mark )
+ break;
+ bd_mpls_mark_t *p_mark = &p_mpls->p_mark[p_mpls->i_mark];
+
+ bd_mpls_mark_Parse( p_mark, &ms );
+ }
+
+ /* Read Extension: ignored */
+
+ return VLC_SUCCESS;
+}
projects / vlc / commitdiff