git.sesse.net Git - vlc/blob - modules/access/vcdx/vcdplayer.h

   1 /*****************************************************************************
   2  * Copyright (C) 2003 Rocky Bernstein (for VideoLAN)
   3  * $Id: vcdplayer.h,v 1.1 2003/10/04 18:55:13 gbazin Exp $
   4  *
   5  * Authors: Rocky Bernstein <rocky@panix.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  20  *****************************************************************************/
  21
  22 /* VCD Player header. More or less media-player independent */
  23
  24 #ifndef _VCDPLAYER_H_
  25 #define _VCDPLAYER_H_
  26
  27 #include <libvcd/info.h>
  28
  29 #define INPUT_DBG_MRL         1
  30 #define INPUT_DBG_EXT         2 /* Calls from external routines */
  31 #define INPUT_DBG_CALL        4 /* all calls */
  32 #define INPUT_DBG_LSN         8 /* LSN changes */
  33 #define INPUT_DBG_PBC        16 /* Playback control */
  34 #define INPUT_DBG_CDIO       32 /* Debugging from CDIO */
  35 #define INPUT_DBG_SEEK       64 /* Seeks to set location */
  36 #define INPUT_DBG_STILL     128 /* Still-frame */
  37 #define INPUT_DBG_VCDINFO   256 /* Debugging from VCDINFO */
  38
  39 #define INPUT_DEBUG 1
  40 #if INPUT_DEBUG
  41 #define dbg_print(mask, s, args...) \
  42    if (p_vcd->i_debug & mask) \
  43      msg_Dbg(p_input, "%s: "s, __func__ , ##args)
  44 #else
  45 #define dbg_print(mask, s, args...)
  46 #endif
  47
  48 #define LOG_ERR(args...) msg_Err( p_input, args )
  49
  50 /* vcdplayer_read return status */
  51 typedef enum {
  52   READ_BLOCK,
  53   READ_STILL_FRAME,
  54   READ_ERROR,
  55   READ_END,
  56 } vcdplayer_read_status_t;
  57
  58 /*****************************************************************************
  59  * thread_vcd_data_t: VCD information
  60  *****************************************************************************/
  61 typedef struct thread_vcd_data_s
  62 {
  63   vcdinfo_obj_t *vcd;                   /* CD device descriptor */
  64   int            in_still;              /*  0 if not in still,
  65                                             -2 if in infinite loop
  66                                             -5 if a still but haven't
  67                                             read wait time yet
  68                                             >0 number of seconds yet to
  69                                             wait */
  70   unsigned int num_tracks;              /* Nb of tracks (titles) */
  71   unsigned int num_segments;            /* Nb of segments */
  72   unsigned int num_entries;             /* Nb of entries */
  73   unsigned int num_lids;                /* Nb of List IDs */
  74   vcdinfo_itemid_t play_item;           /* play-item, VCDPLAYER_BAD_ENTRY
  75                                            if none */
  76   int          cur_lid;                 /* LID that play item is in. Implies
  77                                            PBC is on. VCDPLAYER_BAD_ENTRY if
  78                                            not none or not in PBC */
  79   PsdListDescriptor pxd;                /* If PBC is on, the relevant
  80                                            PSD/PLD */
  81   int          pdi;                     /* current pld index of pxd. -1 if
  82                                            no index*/
  83   vcdinfo_itemid_t loop_item;           /* Where do we loop back to?
  84                                            Meaningful only in a selection
  85                                            list */
  86   int          loop_count;              /* # of times play-item has been
  87                                            played. Meaningful only in a
  88                                            selection list.              */
  89   track_t      cur_track;               /* Current track number */
  90   lsn_t        cur_lsn;                 /* Current logical sector number */
  91   lsn_t        end_lsn;                 /* LSN of end of current
  92                                            entry/segment/track. */
  93   lsn_t        origin_lsn;              /* LSN of start of seek/slider */
  94   lsn_t *      p_sectors;               /* Track sectors */
  95   lsn_t *      p_entries;               /* Entry points */
  96   lsn_t *      p_segments;              /* Segments */
  97   bool         b_valid_ep;              /* Valid entry points flag */
  98   vlc_bool_t   b_end_of_track;          /* If the end of track was reached */
  99   int          i_debug;                 /* Debugging mask */
 100
 101 } thread_vcd_data_t;
 102
 103 bool  vcdplayer_inc_play_item( input_thread_t *p_input );
 104 bool  vcdplayer_pbc_is_on(const thread_vcd_data_t *p_this);
 105
 106 vcdplayer_read_status_t vcdplayer_pbc_nav ( input_thread_t * p_input );
 107 vcdplayer_read_status_t vcdplayer_non_pbc_nav ( input_thread_t * p_input );
 108 lid_t vcdplayer_selection2lid ( input_thread_t *p_input, int entry_num ) ;
 109
 110 #endif /* _VCDPLAYER_H_ */
 111 /*
 112  * Local variables:
 113  *  c-file-style: "gnu"
 114  *  tab-width: 8
 115  *  indent-tabs-mode: nil
 116  * End:
 117  */