1 /*****************************************************************************
2 * Copyright (C) 2003, 2004 Rocky Bernstein (for the VideoLAN team)
5 * Authors: Rocky Bernstein <rocky@panix.com>
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.
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.
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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
20 *****************************************************************************/
22 /* VCD Player header. More or less media-player independent. Or at least
23 that is the goal. So we prefer bool to vlc_bool.
29 #include <libvcd/info.h>
32 #define INPUT_DBG_META 1 /* Meta information */
33 #define INPUT_DBG_EVENT 2 /* input (keyboard/mouse) events */
34 #define INPUT_DBG_MRL 4 /* MRL parsing */
35 #define INPUT_DBG_EXT 8 /* Calls from external routines */
36 #define INPUT_DBG_CALL 16 /* routine calls */
37 #define INPUT_DBG_LSN 32 /* LSN changes */
38 #define INPUT_DBG_PBC 64 /* Playback control */
39 #define INPUT_DBG_CDIO 128 /* Debugging from CDIO */
40 #define INPUT_DBG_SEEK 256 /* Seeks to set location */
41 #define INPUT_DBG_SEEK_CUR 512 /* Seeks to find current location */
42 #define INPUT_DBG_STILL 1024 /* Still-frame */
43 #define INPUT_DBG_VCDINFO 2048 /* Debugging from VCDINFO */
47 #define dbg_print(mask, s, args...) \
48 if (p_vcdplayer && p_vcdplayer->i_debug & mask) \
49 msg_Dbg(p_access, "%s: "s, __func__ , ##args)
51 #define dbg_print(mask, s, args...)
54 #define LOG_ERR(args...) msg_Err( p_access, args )
55 #define LOG_WARN(args...) msg_Warn( p_access, args )
57 /*------------------------------------------------------------------
58 General definitions and structures.
59 ---------------------------------------------------------------------*/
61 /* Value for indefinite wait period on a still frame */
62 #define STILL_INDEFINITE_WAIT 255
63 /* Value when we have yet to finish reading blocks of a frame. */
64 #define STILL_READING -5
67 lsn_t start_LSN; /* LSN where play item starts */
68 size_t size; /* size in sector units of play item. */
69 } vcdplayer_play_item_info_t;
71 /*****************************************************************************
72 * vcdplayer_t: VCD information
73 *****************************************************************************/
74 typedef struct vcdplayer_input_s
76 vcdinfo_obj_t *vcd; /* CD device descriptor */
78 /*------------------------------------------------------------------
80 --------------------------------------------------------------*/
81 unsigned int i_debug; /* Debugging mask */
82 unsigned int i_blocks_per_read; /* number of blocks per read */
84 /*-------------------------------------------------------------
85 Playback control fields
86 --------------------------------------------------------------*/
87 bool in_still; /* true if in still */
88 int i_lid; /* LID that play item is in. Implies
89 PBC is on. VCDPLAYER_BAD_ENTRY if
90 not none or not in PBC */
91 PsdListDescriptor_t pxd; /* If PBC is on, the relevant
93 int pdi; /* current pld index of pxd. -1 if
95 vcdinfo_itemid_t play_item; /* play-item, VCDPLAYER_BAD_ENTRY
97 vcdinfo_itemid_t loop_item; /* Where do we loop back to?
98 Meaningful only in a selection
100 int i_loop; /* # of times play-item has been
101 played. Meaningful only in a
103 track_t i_track; /* current track number */
105 /*-----------------------------------
107 ------------------------------------*/
108 lsn_t i_lsn; /* LSN of where we are right now */
109 lsn_t end_lsn; /* LSN of end of current
110 entry/segment/track. This block
111 can be read (and is not one after
114 lsn_t origin_lsn; /* LSN of start of seek/slider */
115 lsn_t track_lsn; /* LSN of start track origin of track
117 lsn_t track_end_lsn; /* LSN of end of current track (if
119 lsn_t * p_entries; /* Entry points */
120 lsn_t * p_segments; /* Segments */
121 bool b_valid_ep; /* Valid entry points flag */
122 bool b_end_of_track; /* If the end of track was reached */
124 /*--------------------------------------------------------------
125 (S)VCD Medium information
126 ---------------------------------------------------------------*/
128 char *psz_source; /* (S)VCD drive or image filename */
129 bool b_svd; /* true if we have SVD info */
131 track_t i_tracks; /* # of playable MPEG tracks. This is
132 generally one less than the number
133 of CD tracks as the first CD track
134 is an ISO-9660 track and is not
137 unsigned int i_segments; /* # of segments */
138 unsigned int i_entries; /* # of entries */
139 unsigned int i_lids; /* # of List IDs */
141 /* Tracks, segment, and entry information. The number of entries for
142 each is given by the corresponding i_* field above. */
143 vcdplayer_play_item_info_t *track;
144 vcdplayer_play_item_info_t *segment;
145 vcdplayer_play_item_info_t *entry;
147 unsigned int i_titles; /* # of navigatable titles. */
150 # tracks + menu for segments + menu for LIDs
152 input_title_t *p_title[CDIO_CD_MAX_TRACKS+2];
154 /* Probably gets moved into another structure...*/
155 intf_thread_t *p_intf;
159 bool b_track_length; /* Use track as max unit in seek */
160 input_thread_t *p_input;
165 /* vcdplayer_read return status */
171 } vcdplayer_read_status_t;
174 /* ----------------------------------------------------------------------
176 -----------------------------------------------------------------------*/
179 Return true if playback control (PBC) is on
181 bool vcdplayer_pbc_is_on(const vcdplayer_t *p_vcdplayer);
184 Play item assocated with the "default" selection.
186 Return false if there was some problem.
188 bool vcdplayer_play_default( access_t * p_access );
191 Play item assocated with the "next" selection.
193 Return false if there was some problem.
195 bool vcdplayer_play_next( access_t * p_access );
198 Play item assocated with the "prev" selection.
200 Return false if there was some problem.
202 bool vcdplayer_play_prev( access_t * p_access );
205 Play item assocated with the "return" selection.
207 Return false if there was some problem.
209 bool vcdplayer_play_return( access_t * p_access );
212 Set's start origin and size for subsequent seeks.
213 input: p_vcd->i_lsn, p_vcd->play_item
214 changed: p_vcd->origin_lsn, p_vcd->end_lsn
216 void vcdplayer_set_origin(access_t *p_access, lsn_t i_lsn, track_t i_track,
217 const vcdinfo_itemid_t *p_itemid);
219 void vcdplayer_play(access_t *p_access, vcdinfo_itemid_t itemid);
221 vcdplayer_read_status_t vcdplayer_read (access_t * p_access_t, uint8_t *p_buf);
223 #endif /* _VCDPLAYER_H_ */
226 * c-file-style: "gnu"
228 * indent-tabs-mode: nil