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Diffstat (limited to 'libdvdnav/dvdnav_internal.h')
| -rw-r--r-- | libdvdnav/dvdnav_internal.h | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/libdvdnav/dvdnav_internal.h b/libdvdnav/dvdnav_internal.h new file mode 100644 index 0000000..efa8708 --- /dev/null +++ b/libdvdnav/dvdnav_internal.h @@ -0,0 +1,199 @@ +/* + * 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 this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA + * + * $Id: dvdnav_internal.h,v 1.15 2004/09/20 19:30:04 valtri Exp $ + * + */ + +#ifndef DVDNAV_INTERNAL_H_INCLUDED +#define DVDNAV_INTERNAL_H_INCLUDED + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif +#include "common.h" +#include <stdlib.h> +#include <stdio.h> +#include <unistd.h> +#include <limits.h> +#include <string.h> + +#ifdef WIN32 + +/* pthread_mutex_* wrapper for win32 */ +#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) + +/* 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)) +#include <io.h> /* read() */ +#define lseek64 _lseeki64 + +#else + +#include <pthread.h> + +#endif /* WIN32 */ + +/* 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 */ + + /* VM */ + vm_t *vm; + pthread_mutex_t vm_lock; + + /* Read-ahead cache */ + read_cache_t *cache; + + /* Errors */ + char err_str[MAX_ERR_LEN]; +}; + +/** USEFUL MACROS **/ + +#ifdef __GNUC__ +#define printerrf(format, args...) snprintf(this->err_str, MAX_ERR_LEN, format, ## args); +#else +#ifdef _MSC_VER +#define printerrf(str) snprintf(this->err_str, MAX_ERR_LEN, str); +#else +#define printerrf(...) snprintf(this->err_str, MAX_ERR_LEN, __VA_ARGS__); +#endif /* WIN32 */ +#endif +#define printerr(str) strncpy(this->err_str, str, MAX_ERR_LEN); + +#endif /* DVDNAV_INTERNAL_H_INCLUDED */ |