00001 /***************************************************************************** 00002 * Copyright (C) 2003, 2004 Rocky Bernstein (for the VideoLAN team) 00003 * $Id$ 00004 * 00005 * Authors: Rocky Bernstein <rocky@panix.com> 00006 * 00007 * This program is free software; you can redistribute it and/or modify 00008 * it under the terms of the GNU General Public License as published by 00009 * the Free Software Foundation; either version 2 of the License, or 00010 * (at your option) any later version. 00011 * 00012 * This program is distributed in the hope that it will be useful, 00013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00015 * GNU General Public License for more details. 00016 * 00017 * You should have received a copy of the GNU General Public License 00018 * along with this program; if not, write to the Free Software 00019 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. 00020 *****************************************************************************/ 00021 00022 /* VCD Player header. More or less media-player independent. Or at least 00023 that is the goal. So we prefer bool to vlc_bool. 00024 */ 00025 00026 #ifndef _VCDPLAYER_H_ 00027 #define _VCDPLAYER_H_ 00028 00029 #include <libvcd/info.h> 00030 #include <vlc_meta.h> 00031 #include <vlc_input.h> 00032 #include <vlc_access.h> 00033 00034 #define INPUT_DBG_META 1 /* Meta information */ 00035 #define INPUT_DBG_EVENT 2 /* input (keyboard/mouse) events */ 00036 #define INPUT_DBG_MRL 4 /* MRL parsing */ 00037 #define INPUT_DBG_EXT 8 /* Calls from external routines */ 00038 #define INPUT_DBG_CALL 16 /* routine calls */ 00039 #define INPUT_DBG_LSN 32 /* LSN changes */ 00040 #define INPUT_DBG_PBC 64 /* Playback control */ 00041 #define INPUT_DBG_CDIO 128 /* Debugging from CDIO */ 00042 #define INPUT_DBG_SEEK 256 /* Seeks to set location */ 00043 #define INPUT_DBG_SEEK_CUR 512 /* Seeks to find current location */ 00044 #define INPUT_DBG_STILL 1024 /* Still-frame */ 00045 #define INPUT_DBG_VCDINFO 2048 /* Debugging from VCDINFO */ 00046 00047 #define INPUT_DEBUG 1 00048 #if INPUT_DEBUG 00049 #define dbg_print(mask, s, args...) \ 00050 if (p_vcdplayer && p_vcdplayer->i_debug & mask) \ 00051 msg_Dbg(p_access, "%s: "s, __func__ , ##args) 00052 #else 00053 #define dbg_print(mask, s, args...) 00054 #endif 00055 00056 #define LOG_ERR(args...) msg_Err( p_access, args ) 00057 #define LOG_WARN(args...) msg_Warn( p_access, args ) 00058 00059 /*------------------------------------------------------------------ 00060 General definitions and structures. 00061 ---------------------------------------------------------------------*/ 00062 00063 /* Value for indefinite wait period on a still frame */ 00064 #define STILL_INDEFINITE_WAIT 255 00065 /* Value when we have yet to finish reading blocks of a frame. */ 00066 #define STILL_READING -5 00067 00068 typedef struct { 00069 lsn_t start_LSN; /* LSN where play item starts */ 00070 size_t size; /* size in sector units of play item. */ 00071 } vcdplayer_play_item_info_t; 00072 00073 /***************************************************************************** 00074 * vcdplayer_t: VCD information 00075 *****************************************************************************/ 00076 typedef struct vcdplayer_input_s 00077 { 00078 vcdinfo_obj_t *vcd; /* CD device descriptor */ 00079 00080 /*------------------------------------------------------------------ 00081 User-settable options 00082 --------------------------------------------------------------*/ 00083 unsigned int i_debug; /* Debugging mask */ 00084 unsigned int i_blocks_per_read; /* number of blocks per read */ 00085 00086 /*------------------------------------------------------------- 00087 Playback control fields 00088 --------------------------------------------------------------*/ 00089 bool in_still; /* true if in still */ 00090 int i_lid; /* LID that play item is in. Implies 00091 PBC is on. VCDPLAYER_BAD_ENTRY if 00092 not none or not in PBC */ 00093 PsdListDescriptor_t pxd; /* If PBC is on, the relevant 00094 PSD/PLD */ 00095 int pdi; /* current pld index of pxd. -1 if 00096 no index*/ 00097 vcdinfo_itemid_t play_item; /* play-item, VCDPLAYER_BAD_ENTRY 00098 if none */ 00099 vcdinfo_itemid_t loop_item; /* Where do we loop back to? 00100 Meaningful only in a selection 00101 list */ 00102 int i_loop; /* # of times play-item has been 00103 played. Meaningful only in a 00104 selection list. */ 00105 track_t i_track; /* current track number */ 00106 00107 /*----------------------------------- 00108 location fields 00109 ------------------------------------*/ 00110 lsn_t i_lsn; /* LSN of where we are right now */ 00111 lsn_t end_lsn; /* LSN of end of current 00112 entry/segment/track. This block 00113 can be read (and is not one after 00114 the "end"). 00115 */ 00116 lsn_t origin_lsn; /* LSN of start of seek/slider */ 00117 lsn_t track_lsn; /* LSN of start track origin of track 00118 we are in. */ 00119 lsn_t track_end_lsn; /* LSN of end of current track (if 00120 entry). */ 00121 lsn_t * p_entries; /* Entry points */ 00122 lsn_t * p_segments; /* Segments */ 00123 bool b_valid_ep; /* Valid entry points flag */ 00124 bool b_end_of_track; /* If the end of track was reached */ 00125 00126 /*-------------------------------------------------------------- 00127 (S)VCD Medium information 00128 ---------------------------------------------------------------*/ 00129 00130 char *psz_source; /* (S)VCD drive or image filename */ 00131 bool b_svd; /* true if we have SVD info */ 00132 vlc_meta_t *p_meta; 00133 track_t i_tracks; /* # of playable MPEG tracks. This is 00134 generally one less than the number 00135 of CD tracks as the first CD track 00136 is an ISO-9660 track and is not 00137 playable. 00138 */ 00139 unsigned int i_segments; /* # of segments */ 00140 unsigned int i_entries; /* # of entries */ 00141 unsigned int i_lids; /* # of List IDs */ 00142 00143 /* Tracks, segment, and entry information. The number of entries for 00144 each is given by the corresponding i_* field above. */ 00145 vcdplayer_play_item_info_t *track; 00146 vcdplayer_play_item_info_t *segment; 00147 vcdplayer_play_item_info_t *entry; 00148 00149 unsigned int i_titles; /* # of navigatable titles. */ 00150 00151 /* 00152 # tracks + menu for segments + menu for LIDs 00153 */ 00154 input_title_t *p_title[CDIO_CD_MAX_TRACKS+2]; 00155 00156 /* Probably gets moved into another structure...*/ 00157 intf_thread_t *p_intf; 00158 int i_audio_nb; 00159 int i_still; 00160 bool b_end_of_cell; 00161 bool b_track_length; /* Use track as max unit in seek */ 00162 input_thread_t *p_input; 00163 access_t *p_access; 00164 00165 } vcdplayer_t; 00166 00167 /* vcdplayer_read return status */ 00168 typedef enum { 00169 READ_BLOCK, 00170 READ_STILL_FRAME, 00171 READ_ERROR, 00172 READ_END, 00173 } vcdplayer_read_status_t; 00174 00175 00176 /* ---------------------------------------------------------------------- 00177 Function Prototypes 00178 -----------------------------------------------------------------------*/ 00179 00180 /*! 00181 Return true if playback control (PBC) is on 00182 */ 00183 bool vcdplayer_pbc_is_on(const vcdplayer_t *p_vcdplayer); 00184 00185 /*! 00186 Play item assocated with the "default" selection. 00187 00188 Return false if there was some problem. 00189 */ 00190 bool vcdplayer_play_default( access_t * p_access ); 00191 00192 /*! 00193 Play item assocated with the "next" selection. 00194 00195 Return false if there was some problem. 00196 */ 00197 bool vcdplayer_play_next( access_t * p_access ); 00198 00199 /*! 00200 Play item assocated with the "prev" selection. 00201 00202 Return false if there was some problem. 00203 */ 00204 bool vcdplayer_play_prev( access_t * p_access ); 00205 00206 /*! 00207 Play item assocated with the "return" selection. 00208 00209 Return false if there was some problem. 00210 */ 00211 bool vcdplayer_play_return( access_t * p_access ); 00212 00213 /* 00214 Set's start origin and size for subsequent seeks. 00215 input: p_vcd->i_lsn, p_vcd->play_item 00216 changed: p_vcd->origin_lsn, p_vcd->end_lsn 00217 */ 00218 void vcdplayer_set_origin(access_t *p_access, lsn_t i_lsn, track_t i_track, 00219 const vcdinfo_itemid_t *p_itemid); 00220 00221 void vcdplayer_play(access_t *p_access, vcdinfo_itemid_t itemid); 00222 00223 vcdplayer_read_status_t vcdplayer_read (access_t * p_access_t, uint8_t *p_buf); 00224 00225 #endif /* _VCDPLAYER_H_ */ 00226 /* 00227 * Local variables: 00228 * c-file-style: "gnu" 00229 * tab-width: 8 00230 * indent-tabs-mode: nil 00231 * End: 00232 */
1.5.1