vcdplayer.h
资源名称:vlc-1.0.5.zip [点击查看]
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上传日期:2020-07-06
资源大小:29949k
文件大小:9k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * Copyright (C) 2003, 2004 Rocky Bernstein (for the VideoLAN team)
- * $Id: 21f77e62784a273def4b77e4ac1914307603982a $
- *
- * Authors: Rocky Bernstein <rocky@panix.com>
- *
- * 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.
- *****************************************************************************/
- /* VCD Player header. More or less media-player independent. Or at least
- that is the goal. So we prefer bool to vlc_bool.
- */
- #ifndef _VCDPLAYER_H_
- #define _VCDPLAYER_H_
- #include <libvcd/info.h>
- #include <vlc_meta.h>
- #include <vlc_input.h>
- #include <vlc_access.h>
- #define INPUT_DBG_META 1 /* Meta information */
- #define INPUT_DBG_EVENT 2 /* input (keyboard/mouse) events */
- #define INPUT_DBG_MRL 4 /* MRL parsing */
- #define INPUT_DBG_EXT 8 /* Calls from external routines */
- #define INPUT_DBG_CALL 16 /* routine calls */
- #define INPUT_DBG_LSN 32 /* LSN changes */
- #define INPUT_DBG_PBC 64 /* Playback control */
- #define INPUT_DBG_CDIO 128 /* Debugging from CDIO */
- #define INPUT_DBG_SEEK 256 /* Seeks to set location */
- #define INPUT_DBG_SEEK_CUR 512 /* Seeks to find current location */
- #define INPUT_DBG_STILL 1024 /* Still-frame */
- #define INPUT_DBG_VCDINFO 2048 /* Debugging from VCDINFO */
- #define INPUT_DEBUG 1
- #if INPUT_DEBUG
- #define dbg_print(mask, s, args...)
- if (p_vcdplayer && p_vcdplayer->i_debug & mask)
- msg_Dbg(p_access, "%s: "s, __func__ , ##args)
- #else
- #define dbg_print(mask, s, args...)
- #endif
- #define LOG_ERR(...) msg_Err( p_access, __VA_ARGS__ )
- #define LOG_WARN(...) msg_Warn( p_access, __VA_ARGS__ )
- /*------------------------------------------------------------------
- General definitions and structures.
- ---------------------------------------------------------------------*/
- /* Value for indefinite wait period on a still frame */
- #define STILL_INDEFINITE_WAIT 255
- /* Value when we have yet to finish reading blocks of a frame. */
- #define STILL_READING -5
- typedef struct {
- lsn_t start_LSN; /* LSN where play item starts */
- size_t size; /* size in sector units of play item. */
- } vcdplayer_play_item_info_t;
- /*****************************************************************************
- * vcdplayer_t: VCD information
- *****************************************************************************/
- typedef struct vcdplayer_input_s
- {
- vcdinfo_obj_t *vcd; /* CD device descriptor */
- /*------------------------------------------------------------------
- User-settable options
- --------------------------------------------------------------*/
- unsigned int i_debug; /* Debugging mask */
- unsigned int i_blocks_per_read; /* number of blocks per read */
- /*-------------------------------------------------------------
- Playback control fields
- --------------------------------------------------------------*/
- bool in_still; /* true if in still */
- int i_lid; /* LID that play item is in. Implies
- PBC is on. VCDPLAYER_BAD_ENTRY if
- not none or not in PBC */
- PsdListDescriptor_t pxd; /* If PBC is on, the relevant
- PSD/PLD */
- int pdi; /* current pld index of pxd. -1 if
- no index*/
- vcdinfo_itemid_t play_item; /* play-item, VCDPLAYER_BAD_ENTRY
- if none */
- vcdinfo_itemid_t loop_item; /* Where do we loop back to?
- Meaningful only in a selection
- list */
- int i_loop; /* # of times play-item has been
- played. Meaningful only in a
- selection list. */
- track_t i_track; /* current track number */
- /*-----------------------------------
- location fields
- ------------------------------------*/
- lsn_t i_lsn; /* LSN of where we are right now */
- lsn_t end_lsn; /* LSN of end of current
- entry/segment/track. This block
- can be read (and is not one after
- the "end").
- */
- lsn_t origin_lsn; /* LSN of start of seek/slider */
- lsn_t track_lsn; /* LSN of start track origin of track
- we are in. */
- lsn_t track_end_lsn; /* LSN of end of current track (if
- entry). */
- lsn_t * p_entries; /* Entry points */
- lsn_t * p_segments; /* Segments */
- bool b_valid_ep; /* Valid entry points flag */
- bool b_end_of_track; /* If the end of track was reached */
- /*--------------------------------------------------------------
- (S)VCD Medium information
- ---------------------------------------------------------------*/
- char *psz_source; /* (S)VCD drive or image filename */
- bool b_svd; /* true if we have SVD info */
- vlc_meta_t *p_meta;
- track_t i_tracks; /* # of playable MPEG tracks. This is
- generally one less than the number
- of CD tracks as the first CD track
- is an ISO-9660 track and is not
- playable.
- */
- unsigned int i_segments; /* # of segments */
- unsigned int i_entries; /* # of entries */
- unsigned int i_lids; /* # of List IDs */
- /* Tracks, segment, and entry information. The number of entries for
- each is given by the corresponding i_* field above. */
- vcdplayer_play_item_info_t *track;
- vcdplayer_play_item_info_t *segment;
- vcdplayer_play_item_info_t *entry;
- unsigned int i_titles; /* # of navigatable titles. */
- /*
- # tracks + menu for segments + menu for LIDs
- */
- input_title_t *p_title[CDIO_CD_MAX_TRACKS+2];
- /* Probably gets moved into another structure...*/
- intf_thread_t *p_intf;
- int i_audio_nb;
- int i_still;
- bool b_end_of_cell;
- bool b_track_length; /* Use track as max unit in seek */
- input_thread_t *p_input;
- access_t *p_access;
- } vcdplayer_t;
- /* vcdplayer_read return status */
- typedef enum {
- READ_BLOCK,
- READ_STILL_FRAME,
- READ_ERROR,
- READ_END,
- } vcdplayer_read_status_t;
- /* ----------------------------------------------------------------------
- Function Prototypes
- -----------------------------------------------------------------------*/
- /*!
- Return true if playback control (PBC) is on
- */
- bool vcdplayer_pbc_is_on(const vcdplayer_t *p_vcdplayer);
- /*!
- Play item assocated with the "default" selection.
- Return false if there was some problem.
- */
- bool vcdplayer_play_default( access_t * p_access );
- /*!
- Play item assocated with the "next" selection.
- Return false if there was some problem.
- */
- bool vcdplayer_play_next( access_t * p_access );
- /*!
- Play item assocated with the "prev" selection.
- Return false if there was some problem.
- */
- bool vcdplayer_play_prev( access_t * p_access );
- /*!
- Play item assocated with the "return" selection.
- Return false if there was some problem.
- */
- bool vcdplayer_play_return( access_t * p_access );
- /*
- Set's start origin and size for subsequent seeks.
- input: p_vcd->i_lsn, p_vcd->play_item
- changed: p_vcd->origin_lsn, p_vcd->end_lsn
- */
- void vcdplayer_set_origin(access_t *p_access, lsn_t i_lsn, track_t i_track,
- const vcdinfo_itemid_t *p_itemid);
- void vcdplayer_play(access_t *p_access, vcdinfo_itemid_t itemid);
- vcdplayer_read_status_t vcdplayer_read (access_t * p_access_t, uint8_t *p_buf);
- #endif /* _VCDPLAYER_H_ */
- /*
- * Local variables:
- * c-file-style: "gnu"
- * tab-width: 8
- * indent-tabs-mode: nil
- * End:
- */