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>
31 #include <vlc_input.h>
32 #include <vlc_access.h>
34 #define INPUT_DBG_META 1 /* Meta information */
35 #define INPUT_DBG_EVENT 2 /* input (keyboard/mouse) events */
36 #define INPUT_DBG_MRL 4 /* MRL parsing */
37 #define INPUT_DBG_EXT 8 /* Calls from external routines */
38 #define INPUT_DBG_CALL 16 /* routine calls */
39 #define INPUT_DBG_LSN 32 /* LSN changes */
40 #define INPUT_DBG_PBC 64 /* Playback control */
41 #define INPUT_DBG_CDIO 128 /* Debugging from CDIO */
42 #define INPUT_DBG_SEEK 256 /* Seeks to set location */
43 #define INPUT_DBG_SEEK_CUR 512 /* Seeks to find current location */
44 #define INPUT_DBG_STILL 1024 /* Still-frame */
45 #define INPUT_DBG_VCDINFO 2048 /* Debugging from VCDINFO */
49 #define dbg_print(mask, s, args...) \
50 if (p_vcdplayer && p_vcdplayer->i_debug & mask) \
51 msg_Dbg(p_access, "%s: "s, __func__ , ##args)
53 #define dbg_print(mask, s, args...)
56 #define LOG_ERR(...) msg_Err( p_access, __VA_ARGS__ )
57 #define LOG_WARN(...) msg_Warn( p_access, __VA_ARGS__ )
59 /*------------------------------------------------------------------
60 General definitions and structures.
61 ---------------------------------------------------------------------*/
63 /* Value for indefinite wait period on a still frame */
64 #define STILL_INDEFINITE_WAIT 255
65 /* Value when we have yet to finish reading blocks of a frame. */
66 #define STILL_READING -5
69 lsn_t start_LSN; /* LSN where play item starts */
70 size_t size; /* size in sector units of play item. */
71 } vcdplayer_play_item_info_t;
73 /*****************************************************************************
74 * vcdplayer_t: VCD information
75 *****************************************************************************/
76 typedef struct vcdplayer_input_s
78 vcdinfo_obj_t *vcd; /* CD device descriptor */
80 /*------------------------------------------------------------------
82 --------------------------------------------------------------*/
83 unsigned int i_debug; /* Debugging mask */
84 unsigned int i_blocks_per_read; /* number of blocks per read */
86 /*-------------------------------------------------------------
87 Playback control fields
88 --------------------------------------------------------------*/
89 bool in_still; /* true if in still */
90 int i_lid; /* LID that play item is in. Implies
91 PBC is on. VCDPLAYER_BAD_ENTRY if
92 not none or not in PBC */
93 PsdListDescriptor_t pxd; /* If PBC is on, the relevant
95 int pdi; /* current pld index of pxd. -1 if
97 vcdinfo_itemid_t play_item; /* play-item, VCDPLAYER_BAD_ENTRY
99 vcdinfo_itemid_t loop_item; /* Where do we loop back to?
100 Meaningful only in a selection
102 int i_loop; /* # of times play-item has been
103 played. Meaningful only in a
105 track_t i_track; /* current track number */
107 /*-----------------------------------
109 ------------------------------------*/
110 lsn_t i_lsn; /* LSN of where we are right now */
111 lsn_t end_lsn; /* LSN of end of current
112 entry/segment/track. This block
113 can be read (and is not one after
116 lsn_t origin_lsn; /* LSN of start of seek/slider */
117 lsn_t track_lsn; /* LSN of start track origin of track
119 lsn_t track_end_lsn; /* LSN of end of current track (if
121 lsn_t * p_entries; /* Entry points */
122 lsn_t * p_segments; /* Segments */
123 bool b_valid_ep; /* Valid entry points flag */
124 bool b_end_of_track; /* If the end of track was reached */
126 /*--------------------------------------------------------------
127 (S)VCD Medium information
128 ---------------------------------------------------------------*/
130 char *psz_source; /* (S)VCD drive or image filename */
131 bool b_svd; /* true if we have SVD info */
133 track_t i_tracks; /* # of playable MPEG tracks. This is
134 generally one less than the number
135 of CD tracks as the first CD track
136 is an ISO-9660 track and is not
139 unsigned int i_segments; /* # of segments */
140 unsigned int i_entries; /* # of entries */
141 unsigned int i_lids; /* # of List IDs */
143 /* Tracks, segment, and entry information. The number of entries for
144 each is given by the corresponding i_* field above. */
145 vcdplayer_play_item_info_t *track;
146 vcdplayer_play_item_info_t *segment;
147 vcdplayer_play_item_info_t *entry;
149 unsigned int i_titles; /* # of navigatable titles. */
152 # tracks + menu for segments + menu for LIDs
154 input_title_t *p_title[CDIO_CD_MAX_TRACKS+2];
156 /* Probably gets moved into another structure...*/
157 intf_thread_t *p_intf;
161 bool b_track_length; /* Use track as max unit in seek */
162 input_thread_t *p_input;
167 /* vcdplayer_read return status */
173 } vcdplayer_read_status_t;
176 /* ----------------------------------------------------------------------
178 -----------------------------------------------------------------------*/
181 Return true if playback control (PBC) is on
183 bool vcdplayer_pbc_is_on(const vcdplayer_t *p_vcdplayer);
186 Play item assocated with the "default" selection.
188 Return false if there was some problem.
190 bool vcdplayer_play_default( access_t * p_access );
193 Play item assocated with the "next" selection.
195 Return false if there was some problem.
197 bool vcdplayer_play_next( access_t * p_access );
200 Play item assocated with the "prev" selection.
202 Return false if there was some problem.
204 bool vcdplayer_play_prev( access_t * p_access );
207 Play item assocated with the "return" selection.
209 Return false if there was some problem.
211 bool vcdplayer_play_return( access_t * p_access );
214 Set's start origin and size for subsequent seeks.
215 input: p_vcd->i_lsn, p_vcd->play_item
216 changed: p_vcd->origin_lsn, p_vcd->end_lsn
218 void vcdplayer_set_origin(access_t *p_access, lsn_t i_lsn, track_t i_track,
219 const vcdinfo_itemid_t *p_itemid);
221 void vcdplayer_play(access_t *p_access, vcdinfo_itemid_t itemid);
223 vcdplayer_read_status_t vcdplayer_read (access_t * p_access_t, uint8_t *p_buf);
225 #endif /* _VCDPLAYER_H_ */
228 * c-file-style: "gnu"
230 * indent-tabs-mode: nil