/xbmc/cores/dvdplayer/DVDInputStreams/dvdnav/dvdnav_internal.h
http://github.com/xbmc/xbmc · C Header · 225 lines · 139 code · 36 blank · 50 comment · 8 complexity · 6de9fa10ea87737f7845aff763a8a11f MD5 · raw file
- /*
- * Copyright (C) 2001-2004 Rich Wareham <richwareham@users.sourceforge.net>
- *
- * This file is part of libdvdnav, a DVD navigation library.
- *
- * libdvdnav 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.
- *
- * libdvdnav 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 libdvdnav; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
- #ifndef LIBDVDNAV_DVDNAV_INTERNAL_H
- #define LIBDVDNAV_DVDNAV_INTERNAL_H
- #ifdef HAVE_CONFIG_H
- #include "config.h"
- #endif
- #include <stdlib.h>
- #include <stdio.h>
- //#include <unistd.h>
- #include <limits.h>
- #include <string.h>
- #ifdef TARGET_WINDOWS
- /* pthread_mutex_* wrapper for win32 */
- #ifndef TARGET_POSIX
- #include <windows.h>
- #include <process.h>
- typedef CRITICAL_SECTION pthread_mutex_t;
- #define pthread_mutex_init(a, b) InitializeCriticalSection(a)
- #define pthread_mutex_lock(a) EnterCriticalSection(a)
- #define pthread_mutex_unlock(a) LeaveCriticalSection(a)
- #define pthread_mutex_destroy(a) DeleteCriticalSection(a)
- #endif // !TARGET_POSIX
- #ifndef HAVE_GETTIMEOFDAY
- /* replacement gettimeofday implementation */
- #include <sys/timeb.h>
- static inline int _private_gettimeofday( struct timeval *tv, void *tz )
- {
- struct timeb t;
- ftime( &t );
- tv->tv_sec = t.time;
- tv->tv_usec = t.millitm * 1000;
- return 0;
- }
- #define gettimeofday(TV, TZ) _private_gettimeofday((TV), (TZ))
- #endif
- #ifndef TARGET_POSIX
- #include <io.h> /* read() */
- #define lseek64 _lseeki64
- #endif // !TARGET_POSIX
- #else
- #include <pthread.h>
- #endif /* TARGET_WINDOWS */
- /* Uncomment for VM command tracing */
- /* #define TRACE */
- #include "decoder.h"
- #include "dvdnav.h"
- #include "vm.h"
- #include "vmcmd.h"
- /* where should libdvdnav write its messages (stdout/stderr) */
- #define MSG_OUT stderr
- /* Maximum length of an error string */
- #define MAX_ERR_LEN 255
- /* Use the POSIX PATH_MAX if available */
- #ifdef PATH_MAX
- #define MAX_PATH_LEN PATH_MAX
- #else
- #define MAX_PATH_LEN 255 /* Arbitrary */
- #endif
- #ifndef DVD_VIDEO_LB_LEN
- #define DVD_VIDEO_LB_LEN 2048
- #endif
- typedef struct read_cache_s read_cache_t;
- /*
- * These are defined here because they are
- * not in ifo_types.h, they maybe one day
- */
- #ifndef audio_status_t
- typedef struct {
- #ifdef WORDS_BIGENDIAN
- unsigned int available : 1;
- unsigned int zero1 : 4;
- unsigned int stream_number : 3;
- uint8_t zero2;
- #else
- uint8_t zero2;
- unsigned int stream_number : 3;
- unsigned int zero1 : 4;
- unsigned int available : 1;
- #endif
- } ATTRIBUTE_PACKED audio_status_t;
- #endif
- #ifndef spu_status_t
- typedef struct {
- #ifdef WORDS_BIGENDIAN
- unsigned int available : 1;
- unsigned int zero1 : 2;
- unsigned int stream_number_4_3 : 5;
- unsigned int zero2 : 3;
- unsigned int stream_number_wide : 5;
- unsigned int zero3 : 3;
- unsigned int stream_number_letterbox : 5;
- unsigned int zero4 : 3;
- unsigned int stream_number_pan_scan : 5;
- #else
- unsigned int stream_number_pan_scan : 5;
- unsigned int zero4 : 3;
- unsigned int stream_number_letterbox : 5;
- unsigned int zero3 : 3;
- unsigned int stream_number_wide : 5;
- unsigned int zero2 : 3;
- unsigned int stream_number_4_3 : 5;
- unsigned int zero1 : 2;
- unsigned int available : 1;
- #endif
- } ATTRIBUTE_PACKED spu_status_t;
- #endif
- typedef struct dvdnav_vobu_s {
- int32_t vobu_start; /* Logical Absolute. MAX needed is 0x300000 */
- int32_t vobu_length;
- int32_t blockN; /* Relative offset */
- int32_t vobu_next; /* Relative offset */
- } dvdnav_vobu_t;
-
- /** The main DVDNAV type **/
- struct dvdnav_s {
- /* General data */
- char path[MAX_PATH_LEN]; /* Path to DVD device/dir */
- dvd_file_t *file; /* Currently opened file */
-
- /* Position data */
- vm_position_t position_next;
- vm_position_t position_current;
- dvdnav_vobu_t vobu;
- /* NAV data */
- pci_t pci;
- dsi_t dsi;
- uint32_t last_cmd_nav_lbn; /* detects when a command is issued on an already left NAV */
-
- /* Flags */
- int skip_still; /* Set when skipping a still */
- int sync_wait; /* applications should wait till they are in sync with us */
- int sync_wait_skip; /* Set when skipping wait state */
- int spu_clut_changed; /* The SPU CLUT changed */
- int started; /* vm_start has been called? */
- int use_read_ahead; /* 1 - use read-ahead cache, 0 - don't */
- int pgc_based; /* positioning works PGC based instead of PG based */
- int cur_cell_time; /* time expired since the beginning of the current cell, read from the dsi */
-
- /* VM */
- vm_t *vm;
- pthread_mutex_t vm_lock;
- /* Read-ahead cache */
- read_cache_t *cache;
- /* Errors */
- char err_str[MAX_ERR_LEN];
- };
- /** HELPER FUNCTIONS **/
- /* converts a dvd_time_t to PTS ticks */
- int64_t dvdnav_convert_time(dvd_time_t *time);
- /* XBMC added functions */
- /*
- * Get current playback state
- */
- dvdnav_status_t dvdnav_get_state(dvdnav_t *self, dvd_state_t *save_state);
- /*
- * Resume playback state
- */
- dvdnav_status_t dvdnav_set_state(dvdnav_t *self, dvd_state_t *save_state);
- /* end XBMC */
- /** USEFUL MACROS **/
- #ifdef __GNUC__
- #define printerrf(format, args...) \
- do { if (this) snprintf(this->err_str, MAX_ERR_LEN, format, ## args); } while (0)
- #else
- #ifdef _MSC_VER
- #define printerrf(str) \
- do { if (this) snprintf(this->err_str, MAX_ERR_LEN, str); } while (0)
- #else
- #define printerrf(...) \
- do { if (this) snprintf(this->err_str, MAX_ERR_LEN, __VA_ARGS__); } while (0)
- #endif /* TARGET_WINDOWS */
- #endif
- #define printerr(str) \
- do { if (this) strncpy(this->err_str, str, MAX_ERR_LEN - 1); } while (0)
- #endif /* LIBDVDNAV_DVDNAV_INTERNAL_H */