From 376951ca72da23438f68ee5fd01bb7a22561e27a Mon Sep 17 00:00:00 2001 From: diego Date: Fri, 3 Nov 2006 13:48:52 +0000 Subject: libmpdvdkit2 --> libdvdread, it just contains libdvdread now. git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@20631 b3059339-0415-0410-9bf9-f77b7e298cf2 --- Copyright | 2 +- Makefile | 12 +- configure | 2 +- libdvdread/Makefile | 58 + libdvdread/bswap.h | 144 +++ libdvdread/dvd_input.c | 353 ++++++ libdvdread/dvd_input.h | 47 + libdvdread/dvd_reader.c | 1156 +++++++++++++++++++ libdvdread/dvd_reader.h | 265 +++++ libdvdread/dvd_udf.c | 1002 +++++++++++++++++ libdvdread/dvd_udf.h | 59 + libdvdread/dvdread_internal.h | 8 + libdvdread/ifo_print.c | 1148 +++++++++++++++++++ libdvdread/ifo_print.h | 63 ++ libdvdread/ifo_read.c | 2018 ++++++++++++++++++++++++++++++++++ libdvdread/ifo_read.h | 231 ++++ libdvdread/ifo_types.h | 937 ++++++++++++++++ libdvdread/libdvdread_changes.diff | 504 +++++++++ libdvdread/md5.c | 417 +++++++ libdvdread/md5.h | 161 +++ libdvdread/nav_print.c | 279 +++++ libdvdread/nav_print.h | 54 + libdvdread/nav_read.c | 204 ++++ libdvdread/nav_read.h | 55 + libdvdread/nav_types.h | 311 ++++++ libmpdvdkit2/Makefile | 58 - libmpdvdkit2/bswap.h | 144 --- libmpdvdkit2/dvd_input.c | 353 ------ libmpdvdkit2/dvd_input.h | 47 - libmpdvdkit2/dvd_reader.c | 1156 ------------------- libmpdvdkit2/dvd_reader.h | 265 ----- libmpdvdkit2/dvd_udf.c | 1002 ----------------- libmpdvdkit2/dvd_udf.h | 59 - libmpdvdkit2/dvdread_internal.h | 8 - libmpdvdkit2/ifo_print.c | 1148 ------------------- libmpdvdkit2/ifo_print.h | 63 -- libmpdvdkit2/ifo_read.c | 2018 ---------------------------------- libmpdvdkit2/ifo_read.h | 231 ---- libmpdvdkit2/ifo_types.h | 937 ---------------- libmpdvdkit2/libdvdread_changes.diff | 504 --------- libmpdvdkit2/md5.c | 417 ------- libmpdvdkit2/md5.h | 161 --- libmpdvdkit2/nav_print.c | 279 ----- libmpdvdkit2/nav_print.h | 54 - libmpdvdkit2/nav_read.c | 204 ---- libmpdvdkit2/nav_read.h | 55 - libmpdvdkit2/nav_types.h | 311 ------ stream/stream_dvd.h | 8 +- 48 files changed, 9486 insertions(+), 9486 deletions(-) create mode 100644 libdvdread/Makefile create mode 100644 libdvdread/bswap.h create mode 100644 libdvdread/dvd_input.c create mode 100644 libdvdread/dvd_input.h create mode 100644 libdvdread/dvd_reader.c create mode 100644 libdvdread/dvd_reader.h create mode 100644 libdvdread/dvd_udf.c create mode 100644 libdvdread/dvd_udf.h create mode 100644 libdvdread/dvdread_internal.h create mode 100644 libdvdread/ifo_print.c create mode 100644 libdvdread/ifo_print.h create mode 100644 libdvdread/ifo_read.c create mode 100644 libdvdread/ifo_read.h create mode 100644 libdvdread/ifo_types.h create mode 100644 libdvdread/libdvdread_changes.diff create mode 100644 libdvdread/md5.c create mode 100644 libdvdread/md5.h create mode 100644 libdvdread/nav_print.c create mode 100644 libdvdread/nav_print.h create mode 100644 libdvdread/nav_read.c create mode 100644 libdvdread/nav_read.h create mode 100644 libdvdread/nav_types.h delete mode 100644 libmpdvdkit2/Makefile delete mode 100644 libmpdvdkit2/bswap.h delete mode 100644 libmpdvdkit2/dvd_input.c delete mode 100644 libmpdvdkit2/dvd_input.h delete mode 100644 libmpdvdkit2/dvd_reader.c delete mode 100644 libmpdvdkit2/dvd_reader.h delete mode 100644 libmpdvdkit2/dvd_udf.c delete mode 100644 libmpdvdkit2/dvd_udf.h delete mode 100644 libmpdvdkit2/dvdread_internal.h delete mode 100644 libmpdvdkit2/ifo_print.c delete mode 100644 libmpdvdkit2/ifo_print.h delete mode 100644 libmpdvdkit2/ifo_read.c delete mode 100644 libmpdvdkit2/ifo_read.h delete mode 100644 libmpdvdkit2/ifo_types.h delete mode 100644 libmpdvdkit2/libdvdread_changes.diff delete mode 100644 libmpdvdkit2/md5.c delete mode 100644 libmpdvdkit2/md5.h delete mode 100644 libmpdvdkit2/nav_print.c delete mode 100644 libmpdvdkit2/nav_print.h delete mode 100644 libmpdvdkit2/nav_read.c delete mode 100644 libmpdvdkit2/nav_read.h delete mode 100644 libmpdvdkit2/nav_types.h diff --git a/Copyright b/Copyright index 842846e50c..d396b9a396 100644 --- a/Copyright +++ b/Copyright @@ -58,7 +58,7 @@ License: GNU General Public License Name: libdvdread Version: 0.9.4 + patches Homepage: http://www.dtek.chalmers.se/groups/dvd/development.shtml -Directory: libmpdvdkit2 +Directory: libdvdread Copyright: 1998, 1999 Eric Smith 1999 Christian Wolff for convergence integrated media 2000-2001 Billy Biggs , diff --git a/Makefile b/Makefile index 3a1b7aae6c..5c1a54bab3 100644 --- a/Makefile +++ b/Makefile @@ -115,7 +115,7 @@ ifeq ($(FAME),yes) PARTS += libfame endif ifeq ($(DVDKIT2),yes) -PARTS += libmpdvdkit2 +PARTS += libdvdread PARTS += libdvdcss endif ifeq ($(GUI),yes) @@ -174,8 +174,8 @@ ifeq ($(FAME),yes) COMMON_DEPS += libfame/libfame.a endif ifeq ($(DVDKIT2),yes) -COMMON_DEPS += libmpdvdkit2/libmpdvdkit.a -COMMON_LIBS += libmpdvdkit2/libmpdvdkit.a +COMMON_DEPS += libdvdread/libdvdread.a +COMMON_LIBS += libdvdread/libdvdread.a COMMON_DEPS += libdvdcss/libdvdcss.a COMMON_LIBS += libdvdcss/libdvdcss.a endif @@ -207,8 +207,8 @@ all: $(ALL_PRG) libaf/libaf.a: $(MAKE) -C libaf -libmpdvdkit2/libmpdvdkit.a: - $(MAKE) -C libmpdvdkit2 +libdvdread/libdvdread.a: + $(MAKE) -C libdvdread libdvdcss/libdvdcss.a: $(MAKE) -C libdvdcss @@ -481,7 +481,7 @@ input/libinput.a: .norecurse $(wildcard input/*.[ch]) libmenu/libmenu.a: .norecurse $(wildcard libmenu/*.[ch]) libaf/libaf.a: .norecurse $(wildcard libaf/*.[ch]) -libmpdvdkit2/libmpdvdkit.a: .norecurse $(wildcard libmpdvdkit2/*.[ch]) +libdvdread/libdvdread.a: .norecurse $(wildcard libdvdread/*.[ch]) libdvdcss/libdvdcss.a: .norecurse $(wildcard libdvdcss/*.[ch]) libmpdemux/libmpdemux.a: .norecurse $(wildcard libmpdemux/*.[ch] libmpdemux/*/*.[ch]) diff --git a/configure b/configure index 109d03c461..c97c29f6e8 100755 --- a/configure +++ b/configure @@ -5198,7 +5198,7 @@ echocheck "DVD support (libmpdvdkit2)" if test "$_mpdvdkit" = auto ; then _mpdvdkit=no if linux || freebsd || netbsd || darwin || openbsd || win32 || sunos || hpux; then - test -f "./libmpdvdkit2/Makefile" && _mpdvdkit=yes + _mpdvdkit=yes fi fi if test "$_mpdvdkit" = yes ; then diff --git a/libdvdread/Makefile b/libdvdread/Makefile new file mode 100644 index 0000000000..0b9b7e47fc --- /dev/null +++ b/libdvdread/Makefile @@ -0,0 +1,58 @@ + +ifneq ($(wildcard ../config.mak),) +include ../config.mak +endif + +SRCS = dvd_input.c \ + dvd_reader.c \ + dvd_udf.c \ + ifo_print.c \ + ifo_read.c \ + nav_print.c \ + nav_read.c \ + md5.c \ + +OBJS = $(SRCS:.c=.o) + +LIB=libdvdread + +.SUFFIXES: .c .o + +ifeq ($(OPTFLAGS),) +OPTFLAGS = -mcpu=pentium -march=pentium -O4 +else +OPTFLAGS += -DHAVE_MPLAYER +endif + +# \ -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 + +# -funroll-loops removed, triggered gcc 3.0.4 (3.x?) bug +CFLAGS= -I../libdvdcss -I.. $(OPTFLAGS) -D__USE_UNIX98 -D_GNU_SOURCE \ + -DHAVE_DVDCSS_DVDCSS_H -DSTDC_HEADERS -DHAVE_LIMITS_H \ + +.c.o: + $(CC) $(CFLAGS) -c -o $@ $< + +all: $(LIB).a + +$(LIB).a: $(OBJS) + $(AR) rc $(LIB).a $(OBJS) + $(RANLIB) $(LIB).a + +clean: + rm -f *.o *.a *~ *.so + +distclean: clean + rm -f .depend + +dep: depend + +depend: + $(CC) -MM $(CFLAGS) $(SRCS) 1>.depend + +# +# include dependency files if they exist +# +ifneq ($(wildcard .depend),) +include .depend +endif diff --git a/libdvdread/bswap.h b/libdvdread/bswap.h new file mode 100644 index 0000000000..f121b06104 --- /dev/null +++ b/libdvdread/bswap.h @@ -0,0 +1,144 @@ +#ifndef BSWAP_H_INCLUDED +#define BSWAP_H_INCLUDED + +/* + * Copyright (C) 2000, 2001 Billy Biggs , + * Håkan Hjort + * + * Modified for use with MPlayer, changes contained in libdvdread_changes.diff. + * detailed changelog at http://svn.mplayerhq.hu/mplayer/trunk/ + * $Id$ + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#if defined(WORDS_BIGENDIAN) +/* All bigendian systems are fine, just ignore the swaps. */ +#define B2N_16(x) (void)(x) +#define B2N_32(x) (void)(x) +#define B2N_64(x) (void)(x) + +#else + +/* For __FreeBSD_version */ +#if defined(HAVE_SYS_PARAM_H) +#include +#endif + +#if defined(__linux__) +#include +#define B2N_16(x) x = bswap_16(x) +#define B2N_32(x) x = bswap_32(x) +#define B2N_64(x) x = bswap_64(x) + +#elif defined(__NetBSD__) +#include +#define B2N_16(x) BE16TOH(x) +#define B2N_32(x) BE32TOH(x) +#define B2N_64(x) BE64TOH(x) + +#elif defined(__OpenBSD__) +#include +#define B2N_16(x) x = swap16(x) +#define B2N_32(x) x = swap32(x) +#define B2N_64(x) x = swap64(x) + +#elif defined(__FreeBSD__) && __FreeBSD_version >= 470000 +#include +#define B2N_16(x) x = be16toh(x) +#define B2N_32(x) x = be32toh(x) +#define B2N_64(x) x = be64toh(x) + +#elif defined(__DragonFly__) +#include +#define B2N_16(x) x = be16toh(x) +#define B2N_32(x) x = be32toh(x) +#define B2N_64(x) x = be64toh(x) + +#elif defined(ARCH_X86) +inline static unsigned short bswap_16(unsigned short x) +{ + __asm("xchgb %b0,%h0" : + "=q" (x) : + "0" (x)); + return x; +} +#define B2N_16(x) x = bswap_16(x) + +inline static unsigned int bswap_32(unsigned int x) +{ + __asm( +#if __CPU__ > 386 + "bswap %0": + "=r" (x) : +#else + "xchgb %b0,%h0\n" + " rorl $16,%0\n" + " xchgb %b0,%h0": + "=q" (x) : +#endif + "0" (x)); + return x; +} +#define B2N_32(x) x = bswap_32(x) + +inline static unsigned long long int bswap_64(unsigned long long int x) +{ + register union { __extension__ uint64_t __ll; + uint32_t __l[2]; } __x; + asm("xchgl %0,%1": + "=r"(__x.__l[0]),"=r"(__x.__l[1]): + "0"(bswap_32((unsigned long)x)),"1"(bswap_32((unsigned long)(x>>32)))); + return __x.__ll; +} +#define B2N_64(x) x = bswap_64(x) + +/* This is a slow but portable implementation, it has multiple evaluation + * problems so beware. + * Old FreeBSD's and Solaris don't have or any other such + * functionality! + */ + +#elif defined(__FreeBSD__) || defined(__sun) || defined(__bsdi__) || defined(__CYGWIN__) +#define B2N_16(x) \ + x = ((((x) & 0xff00) >> 8) | \ + (((x) & 0x00ff) << 8)) +#define B2N_32(x) \ + x = ((((x) & 0xff000000) >> 24) | \ + (((x) & 0x00ff0000) >> 8) | \ + (((x) & 0x0000ff00) << 8) | \ + (((x) & 0x000000ff) << 24)) +#define B2N_64(x) \ + x = ((((x) & 0xff00000000000000) >> 56) | \ + (((x) & 0x00ff000000000000) >> 40) | \ + (((x) & 0x0000ff0000000000) >> 24) | \ + (((x) & 0x000000ff00000000) >> 8) | \ + (((x) & 0x00000000ff000000) << 8) | \ + (((x) & 0x0000000000ff0000) << 24) | \ + (((x) & 0x000000000000ff00) << 40) | \ + (((x) & 0x00000000000000ff) << 56)) + +#else + +/* If there isn't a header provided with your system with this functionality + * add the relevant || define( ) to the portable implementation above. + */ +#error "You need to add endian swap macros for you're system" + +#endif + +#endif /* WORDS_BIGENDIAN */ + +#endif /* BSWAP_H_INCLUDED */ diff --git a/libdvdread/dvd_input.c b/libdvdread/dvd_input.c new file mode 100644 index 0000000000..8478970a6d --- /dev/null +++ b/libdvdread/dvd_input.c @@ -0,0 +1,353 @@ +/* + * Copyright (C) 2002 Samuel Hocevar , + * Håkan Hjort + * + * Modified for use with MPlayer, changes contained in libdvdread_changes.diff. + * detailed changelog at http://svn.mplayerhq.hu/mplayer/trunk/ + * $Id$ + * + * 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA. + */ + +#include "config.h" + +#include +#include +#include +#include + +#include "dvd_reader.h" +#include "dvd_input.h" + +/* The function pointers that is the exported interface of this file. */ +dvd_input_t (*dvdinput_open) (const char *); +int (*dvdinput_close) (dvd_input_t); +int (*dvdinput_seek) (dvd_input_t, int); +int (*dvdinput_title) (dvd_input_t, int); +int (*dvdinput_read) (dvd_input_t, void *, int, int); +char * (*dvdinput_error) (dvd_input_t); + +#ifdef HAVE_DVDCSS_DVDCSS_H +/* linking to libdvdcss */ +#include "dvdcss/dvdcss.h" +#define DVDcss_open(a) dvdcss_open((char*)(a)) +#define DVDcss_close dvdcss_close +#define DVDcss_seek dvdcss_seek +#define DVDcss_title dvdcss_title +#define DVDcss_read dvdcss_read +#define DVDcss_error dvdcss_error +#else +/* dlopening libdvdcss */ +#include +typedef struct dvdcss_s *dvdcss_handle; +static dvdcss_handle (*DVDcss_open) (const char *); +static int (*DVDcss_close) (dvdcss_handle); +static int (*DVDcss_seek) (dvdcss_handle, int, int); +static int (*DVDcss_title) (dvdcss_handle, int); +static int (*DVDcss_read) (dvdcss_handle, void *, int, int); +static char * (*DVDcss_error) (dvdcss_handle); +#endif + +/* The DVDinput handle, add stuff here for new input methods. */ +struct dvd_input_s { + /* libdvdcss handle */ + dvdcss_handle dvdcss; + + /* dummy file input */ + int fd; +}; + + +/** + * initialize and open a DVD device or file. + */ +static dvd_input_t css_open(const char *target) +{ + dvd_input_t dev; + + /* Allocate the handle structure */ + dev = (dvd_input_t) malloc(sizeof(struct dvd_input_s)); + if(dev == NULL) { + fprintf(stderr, "libdvdread: Could not allocate memory.\n"); + return NULL; + } + + /* Really open it with libdvdcss */ + dev->dvdcss = DVDcss_open(target); + if(dev->dvdcss == 0) { + fprintf(stderr, "libdvdread: Could not open %s with libdvdcss.\n", target); + free(dev); + return NULL; + } + + return dev; +} + +/** + * return the last error message + */ +static char *css_error(dvd_input_t dev) +{ + return DVDcss_error(dev->dvdcss); +} + +/** + * seek into the device. + */ +static int css_seek(dvd_input_t dev, int blocks) +{ + /* DVDINPUT_NOFLAGS should match the DVDCSS_NOFLAGS value. */ + return DVDcss_seek(dev->dvdcss, blocks, DVDINPUT_NOFLAGS); +} + +/** + * set the block for the begining of a new title (key). + */ +static int css_title(dvd_input_t dev, int block) +{ + return DVDcss_title(dev->dvdcss, block); +} + +/** + * read data from the device. + */ +static int css_read(dvd_input_t dev, void *buffer, int blocks, int flags) +{ + return DVDcss_read(dev->dvdcss, buffer, blocks, flags); +} + +/** + * close the DVD device and clean up the library. + */ +static int css_close(dvd_input_t dev) +{ + int ret; + + ret = DVDcss_close(dev->dvdcss); + + if(ret < 0) + return ret; + + free(dev); + + return 0; +} + + + + + + +/** + * initialize and open a DVD device or file. + */ +static dvd_input_t file_open(const char *target) +{ + dvd_input_t dev; + + /* Allocate the library structure */ + dev = (dvd_input_t) malloc(sizeof(struct dvd_input_s)); + if(dev == NULL) { + fprintf(stderr, "libdvdread: Could not allocate memory.\n"); + return NULL; + } + + /* Open the device */ + dev->fd = open(target, O_RDONLY); + if(dev->fd < 0) { + perror("libdvdread: Could not open input"); + free(dev); + return NULL; + } + + return dev; +} + +/** + * return the last error message + */ +static char *file_error(dvd_input_t dev) +{ + /* use strerror(errno)? */ + return (char *)"unknown error"; +} + +/** + * seek into the device. + */ +static int file_seek(dvd_input_t dev, int blocks) +{ + off_t pos; + + pos = lseek(dev->fd, (off_t)blocks * (off_t)DVD_VIDEO_LB_LEN, SEEK_SET); + if(pos < 0) { + return pos; + } + /* assert pos % DVD_VIDEO_LB_LEN == 0 */ + return (int) (pos / DVD_VIDEO_LB_LEN); +} + +/** + * set the block for the begining of a new title (key). + */ +static int file_title(dvd_input_t dev, int block) +{ + return -1; +} + +/** + * read data from the device. + */ +static int file_read(dvd_input_t dev, void *buffer, int blocks, int flags) +{ + size_t len; + ssize_t ret; + + len = (size_t)blocks * DVD_VIDEO_LB_LEN; + + while(len > 0) { + + ret = read(dev->fd, buffer, len); + + if(ret < 0) { + /* One of the reads failed, too bad. We won't even bother + * returning the reads that went ok, and as in the posix spec + * the file postition is left unspecified after a failure. */ + return ret; + } + + if(ret == 0) { + /* Nothing more to read. Return the whole blocks, if any, that we got. + and adjust the file possition back to the previous block boundary. */ + size_t bytes = (size_t)blocks * DVD_VIDEO_LB_LEN - len; + off_t over_read = -(bytes % DVD_VIDEO_LB_LEN); + /*off_t pos =*/ lseek(dev->fd, over_read, SEEK_CUR); + /* should have pos % 2048 == 0 */ + return (int) (bytes / DVD_VIDEO_LB_LEN); + } + + len -= ret; + } + + return blocks; +} + +/** + * close the DVD device and clean up. + */ +static int file_close(dvd_input_t dev) +{ + int ret; + + ret = close(dev->fd); + + if(ret < 0) + return ret; + + free(dev); + + return 0; +} + + +/** + * Setup read functions with either libdvdcss or minimal DVD access. + */ +int dvdinput_setup(void) +{ + void *dvdcss_library = NULL; + char **dvdcss_version = NULL; + +#ifdef HAVE_DVDCSS_DVDCSS_H + /* linking to libdvdcss */ + dvdcss_library = &dvdcss_library; /* Give it some value != NULL */ + /* the DVDcss_* functions have been #defined at the top */ + dvdcss_version = &dvdcss_interface_2; + +#else + /* dlopening libdvdcss */ + dvdcss_library = dlopen("libdvdcss.so.2", RTLD_LAZY); + + if(dvdcss_library != NULL) { +#if defined(__OpenBSD__) && !defined(__ELF__) +#define U_S "_" +#else +#define U_S +#endif + DVDcss_open = (dvdcss_handle (*)(const char*)) + dlsym(dvdcss_library, U_S "dvdcss_open"); + DVDcss_close = (int (*)(dvdcss_handle)) + dlsym(dvdcss_library, U_S "dvdcss_close"); + DVDcss_title = (int (*)(dvdcss_handle, int)) + dlsym(dvdcss_library, U_S "dvdcss_title"); + DVDcss_seek = (int (*)(dvdcss_handle, int, int)) + dlsym(dvdcss_library, U_S "dvdcss_seek"); + DVDcss_read = (int (*)(dvdcss_handle, void*, int, int)) + dlsym(dvdcss_library, U_S "dvdcss_read"); + DVDcss_error = (char* (*)(dvdcss_handle)) + dlsym(dvdcss_library, U_S "dvdcss_error"); + + dvdcss_version = (char **)dlsym(dvdcss_library, U_S "dvdcss_interface_2"); + + if(dlsym(dvdcss_library, U_S "dvdcss_crack")) { + fprintf(stderr, + "libdvdread: Old (pre-0.0.2) version of libdvdcss found.\n" + "libdvdread: You should get the latest version from " + "http://www.videolan.org/\n" ); + dlclose(dvdcss_library); + dvdcss_library = NULL; + } else if(!DVDcss_open || !DVDcss_close || !DVDcss_title || !DVDcss_seek + || !DVDcss_read || !DVDcss_error || !dvdcss_version) { + fprintf(stderr, "libdvdread: Missing symbols in libdvdcss.so.2, " + "this shouldn't happen !\n"); + dlclose(dvdcss_library); + } + } +#endif /* HAVE_DVDCSS_DVDCSS_H */ + + if(dvdcss_library != NULL) { + /* + char *psz_method = getenv( "DVDCSS_METHOD" ); + char *psz_verbose = getenv( "DVDCSS_VERBOSE" ); + fprintf(stderr, "DVDCSS_METHOD %s\n", psz_method); + fprintf(stderr, "DVDCSS_VERBOSE %s\n", psz_verbose); + */ + /* + fprintf(stderr, "libdvdread: Using libdvdcss version %s for DVD access\n", + *dvdcss_version); + */ + + /* libdvdcss wrapper functions */ + dvdinput_open = css_open; + dvdinput_close = css_close; + dvdinput_seek = css_seek; + dvdinput_title = css_title; + dvdinput_read = css_read; + dvdinput_error = css_error; + return 1; + + } else { + fprintf(stderr, "libdvdread: Encrypted DVD support unavailable.\n"); + + /* libdvdcss replacement functions */ + dvdinput_open = file_open; + dvdinput_close = file_close; + dvdinput_seek = file_seek; + dvdinput_title = file_title; + dvdinput_read = file_read; + dvdinput_error = file_error; + return 0; + } +} diff --git a/libdvdread/dvd_input.h b/libdvdread/dvd_input.h new file mode 100644 index 0000000000..e9e84917ea --- /dev/null +++ b/libdvdread/dvd_input.h @@ -0,0 +1,47 @@ +#ifndef DVD_INPUT_H_INCLUDED +#define DVD_INPUT_H_INCLUDED + +/* + * Copyright (C) 2001, 2002 Samuel Hocevar , + * Håkan Hjort + * + * 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA. + */ + +/** + * Defines and flags. Make sure they fit the libdvdcss API! + */ +#define DVDINPUT_NOFLAGS 0 + +#define DVDINPUT_READ_DECRYPT (1 << 0) + +typedef struct dvd_input_s *dvd_input_t; + +/** + * Pointers which will be filled either the input methods functions. + */ +extern dvd_input_t (*dvdinput_open) (const char *); +extern int (*dvdinput_close) (dvd_input_t); +extern int (*dvdinput_seek) (dvd_input_t, int); +extern int (*dvdinput_title) (dvd_input_t, int); +extern int (*dvdinput_read) (dvd_input_t, void *, int, int); +extern char * (*dvdinput_error) (dvd_input_t); + +/** + * Setup function accessed by dvd_reader.c. Returns 1 if there is CSS support. + */ +int dvdinput_setup(void); + +#endif /* DVD_INPUT_H_INCLUDED */ diff --git a/libdvdread/dvd_reader.c b/libdvdread/dvd_reader.c new file mode 100644 index 0000000000..996477ef2c --- /dev/null +++ b/libdvdread/dvd_reader.c @@ -0,0 +1,1156 @@ +/* + * Copyright (C) 2001, 2002, 2003 Billy Biggs , + * Håkan Hjort , + * Björn Englund + * + * Modified for use with MPlayer, changes contained in libdvdread_changes.diff. + * detailed changelog at http://svn.mplayerhq.hu/mplayer/trunk/ + * $Id$ + * + * 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA. + */ + +#include "config.h" + +#include +#include +#include /* For the timing of dvdcss_title crack. */ +#include +#include +#include +#include +#include +#include +#include +#include + +#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__bsdi__)|| defined(__DARWIN__) || defined(__DragonFly__) +#define SYS_BSD 1 +#endif + +#if defined(__sun) +#include +#elif defined(hpux) +#include +#elif defined(SYS_BSD) +#include +#elif defined(__linux__) || defined(__CYGWIN__) +#include +#endif + +#if defined(__MINGW32__) && (__MINGW32_MAJOR_VERSION <= 3) && (__MINGW32_MINOR_VERSION < 10) +#include +static void gettimeofday(struct timeval* t,void* timezone){ + struct timeb timebuffer; + ftime( &timebuffer ); + t->tv_sec=timebuffer.time; + t->tv_usec=1000*timebuffer.millitm; +} +#endif + +#include "dvd_udf.h" +#include "dvd_input.h" +#include "dvd_reader.h" +#include "md5.h" + +#define DEFAULT_UDF_CACHE_LEVEL 0 + +struct dvd_reader_s { + /* Basic information. */ + int isImageFile; + + /* Hack for keeping track of the css status. + * 0: no css, 1: perhaps (need init of keys), 2: have done init */ + int css_state; + int css_title; /* Last title that we have called dvdinpute_title for. */ + + /* Information required for an image file. */ + dvd_input_t dev; + + /* Information required for a directory path drive. */ + char *path_root; + + /* Filesystem cache */ + int udfcache_level; /* 0 - turned off, 1 - on */ + void *udfcache; +}; + +struct dvd_file_s { + /* Basic information. */ + dvd_reader_t *dvd; + + /* Hack for selecting the right css title. */ + int css_title; + + /* Information required for an image file. */ + uint32_t lb_start; + uint32_t seek_pos; + + /* Information required for a directory path drive. */ + size_t title_sizes[ 9 ]; + dvd_input_t title_devs[ 9 ]; + + /* Calculated at open-time, size in blocks. */ + ssize_t filesize; +}; + +/** + * Set the level of caching on udf + * level = 0 (no caching) + * level = 1 (caching filesystem info) + */ +int DVDUDFCacheLevel(dvd_reader_t *device, int level) +{ + struct dvd_reader_s *dev = (struct dvd_reader_s *)device; + + if(level > 0) { + level = 1; + } else if(level < 0) { + return dev->udfcache_level; + } + + dev->udfcache_level = level; + + return level; +} + +void *GetUDFCacheHandle(dvd_reader_t *device) +{ + struct dvd_reader_s *dev = (struct dvd_reader_s *)device; + + return dev->udfcache; +} + +void SetUDFCacheHandle(dvd_reader_t *device, void *cache) +{ + struct dvd_reader_s *dev = (struct dvd_reader_s *)device; + + dev->udfcache = cache; +} + + + +/* Loop over all titles and call dvdcss_title to crack the keys. */ +static int initAllCSSKeys( dvd_reader_t *dvd ) +{ + struct timeval all_s, all_e; + struct timeval t_s, t_e; + char filename[ MAX_UDF_FILE_NAME_LEN ]; + uint32_t start, len; + int title; + + char *nokeys_str = getenv("DVDREAD_NOKEYS"); + if(nokeys_str != NULL) + return 0; + + fprintf( stderr, "\n" ); + fprintf( stderr, "libdvdread: Attempting to retrieve all CSS keys\n" ); + fprintf( stderr, "libdvdread: This can take a _long_ time, " + "please be patient\n\n" ); + + gettimeofday(&all_s, NULL); + + for( title = 0; title < 100; title++ ) { + gettimeofday( &t_s, NULL ); + if( title == 0 ) { + sprintf( filename, "/VIDEO_TS/VIDEO_TS.VOB" ); + } else { + sprintf( filename, "/VIDEO_TS/VTS_%02d_%d.VOB", title, 0 ); + } + start = UDFFindFile( dvd, filename, &len ); + if( start != 0 && len != 0 ) { + /* Perform CSS key cracking for this title. */ + fprintf( stderr, "libdvdread: Get key for %s at 0x%08x\n", + filename, start ); + if( dvdinput_title( dvd->dev, (int)start ) < 0 ) { + fprintf( stderr, "libdvdread: Error cracking CSS key for %s (0x%08x)\n", filename, start); + } + gettimeofday( &t_e, NULL ); + fprintf( stderr, "libdvdread: Elapsed time %ld\n", + (long int) t_e.tv_sec - t_s.tv_sec ); + } + + if( title == 0 ) continue; + + gettimeofday( &t_s, NULL ); + sprintf( filename, "/VIDEO_TS/VTS_%02d_%d.VOB", title, 1 ); + start = UDFFindFile( dvd, filename, &len ); + if( start == 0 || len == 0 ) break; + + /* Perform CSS key cracking for this title. */ + fprintf( stderr, "libdvdread: Get key for %s at 0x%08x\n", + filename, start ); + if( dvdinput_title( dvd->dev, (int)start ) < 0 ) { + fprintf( stderr, "libdvdread: Error cracking CSS key for %s (0x%08x)!!\n", filename, start); + } + gettimeofday( &t_e, NULL ); + fprintf( stderr, "libdvdread: Elapsed time %ld\n", + (long int) t_e.tv_sec - t_s.tv_sec ); + } + title--; + + fprintf( stderr, "libdvdread: Found %d VTS's\n", title ); + gettimeofday(&all_e, NULL); + fprintf( stderr, "libdvdread: Elapsed time %ld\n", + (long int) all_e.tv_sec - all_s.tv_sec ); + + return 0; +} + + +#ifndef HAVE_MPLAYER + #include "get_path.c" +#else + extern char * get_path( const char * filename ); +#endif + +//extern char * dvdcss_cache_dir; + +/** + * Open a DVD image or block device file. + */ +static dvd_reader_t *DVDOpenImageFile( const char *location, int have_css ) +{ + dvd_reader_t *dvd; + dvd_input_t dev; + + dev = dvdinput_open( location ); + if( !dev ) { + fprintf( stderr, "libdvdread: Can't open %s for reading\n", location ); + return 0; + } + + dvd = (dvd_reader_t *) malloc( sizeof( dvd_reader_t ) ); + if( !dvd ) return 0; + dvd->isImageFile = 1; + dvd->dev = dev; + dvd->path_root = 0; + + dvd->udfcache_level = DEFAULT_UDF_CACHE_LEVEL; + dvd->udfcache = NULL; + + if( have_css ) { + /* Only if DVDCSS_METHOD = title, a bit if it's disc or if + * DVDCSS_METHOD = key but region missmatch. Unfortunaly we + * don't have that information. */ + + dvd->css_state = 1; /* Need key init. */ + } + dvd->css_title = 0; + + return dvd; +} + +static dvd_reader_t *DVDOpenPath( const char *path_root ) +{ + dvd_reader_t *dvd; + + dvd = (dvd_reader_t *) malloc( sizeof( dvd_reader_t ) ); + if( !dvd ) return 0; + dvd->isImageFile = 0; + dvd->dev = 0; + dvd->path_root = strdup( path_root ); + + dvd->udfcache_level = DEFAULT_UDF_CACHE_LEVEL; + dvd->udfcache = NULL; + + dvd->css_state = 0; /* Only used in the UDF path */ + dvd->css_title = 0; /* Only matters in the UDF path */ + + return dvd; +} + +#if defined(__sun) +/* /dev/rdsk/c0t6d0s0 (link to /devices/...) + /vol/dev/rdsk/c0t6d0/?? + /vol/rdsk/ */ +static char *sun_block2char( const char *path ) +{ + char *new_path; + + /* Must contain "/dsk/" */ + if( !strstr( path, "/dsk/" ) ) return (char *) strdup( path ); + + /* Replace "/dsk/" with "/rdsk/" */ + new_path = malloc( strlen(path) + 2 ); + strcpy( new_path, path ); + strcpy( strstr( new_path, "/dsk/" ), "" ); + strcat( new_path, "/rdsk/" ); + strcat( new_path, strstr( path, "/dsk/" ) + strlen( "/dsk/" ) ); + + return new_path; +} +#endif + +#if defined(SYS_BSD) +/* FreeBSD /dev/(r)(a)cd0c (a is for atapi), recomended to _not_ use r + OpenBSD /dev/rcd0c, it needs to be the raw device + NetBSD /dev/rcd0[d|c|..] d for x86, c (for non x86), perhaps others + Darwin /dev/rdisk0, it needs to be the raw device + BSD/OS /dev/sr0c (if not mounted) or /dev/rsr0c ('c' any letter will do) */ +static char *bsd_block2char( const char *path ) +#if defined(__FreeBSD__) +{ + return (char *) strdup( path ); +} +#else +{ + char *new_path; + + /* If it doesn't start with "/dev/" or does start with "/dev/r" exit */ + if( strncmp( path, "/dev/", 5 ) || !strncmp( path, "/dev/r", 6 ) ) + return (char *) strdup( path ); + + /* Replace "/dev/" with "/dev/r" */ + new_path = malloc( strlen(path) + 2 ); + strcpy( new_path, "/dev/r" ); + strcat( new_path, path + strlen( "/dev/" ) ); + + return new_path; +} +#endif /* __FreeBSD__ */ +#endif + +dvd_reader_t *DVDOpen( const char *path ) +{ + struct stat fileinfo; + int ret, have_css; + char *dev_name = 0; + + if( path == NULL ) + return 0; + +#ifdef WIN32 + /* Stat doesn't work on devices under mingwin/cygwin. */ + if( path[0] && path[1] == ':' && path[2] == '\0' ) + { + /* Don't try to stat the file */ + fileinfo.st_mode = S_IFBLK; + } + else +#endif + { + ret = stat( path, &fileinfo ); + if( ret < 0 ) { + /* If we can't stat the file, give up */ + fprintf( stderr, "libdvdread: Can't stat %s\n", path ); + perror(""); + return 0; + } + } + + /* Try to open libdvdcss or fall back to standard functions */ + have_css = dvdinput_setup(); + + /* First check if this is a block/char device or a file*/ + if( S_ISBLK( fileinfo.st_mode ) || + S_ISCHR( fileinfo.st_mode ) || + S_ISREG( fileinfo.st_mode ) ) { + + /** + * Block devices and regular files are assumed to be DVD-Video images. + */ +#if defined(__sun) + return DVDOpenImageFile( sun_block2char( path ), have_css ); +#elif defined(SYS_BSD) + return DVDOpenImageFile( bsd_block2char( path ), have_css ); +#else + return DVDOpenImageFile( path, have_css ); +#endif + + } else if( S_ISDIR( fileinfo.st_mode ) ) { + dvd_reader_t *auth_drive = 0; + char *path_copy; +#if defined(SYS_BSD) + struct fstab* fe; +#elif defined(__sun) || defined(__linux__) || defined(__CYGWIN__) + FILE *mntfile; +#endif + + /* XXX: We should scream real loud here. */ + if( !(path_copy = strdup( path ) ) ) return 0; + + /* Resolve any symlinks and get the absolut dir name. */ + { + char *new_path; + int cdir = open( ".", O_RDONLY ); + + if( cdir >= 0 ) { + chdir( path_copy ); + new_path = getcwd( NULL, PATH_MAX ); +#ifndef __MINGW32__ + fchdir( cdir ); +#endif + close( cdir ); + if( new_path ) { + free( path_copy ); + path_copy = new_path; + } + } + } + + /** + * If we're being asked to open a directory, check if that directory + * is the mountpoint for a DVD-ROM which we can use instead. + */ + + if( strlen( path_copy ) > 1 ) { + if( path_copy[ strlen( path_copy ) - 1 ] == '/' ) + path_copy[ strlen( path_copy ) - 1 ] = '\0'; + } + + if( strlen( path_copy ) > 9 ) { + if( !strcasecmp( &(path_copy[ strlen( path_copy ) - 9 ]), + "/video_ts" ) ) { + path_copy[ strlen( path_copy ) - 9 ] = '\0'; + } + } + +#if defined(SYS_BSD) + if( ( fe = getfsfile( path_copy ) ) ) { + dev_name = bsd_block2char( fe->fs_spec ); + fprintf( stderr, + "libdvdread: Attempting to use device %s" + " mounted on %s for CSS authentication\n", + dev_name, + fe->fs_file ); + auth_drive = DVDOpenImageFile( dev_name, have_css ); + } +#elif defined(__sun) + mntfile = fopen( MNTTAB, "r" ); + if( mntfile ) { + struct mnttab mp; + int res; + + while( ( res = getmntent( mntfile, &mp ) ) != -1 ) { + if( res == 0 && !strcmp( mp.mnt_mountp, path_copy ) ) { + dev_name = sun_block2char( mp.mnt_special ); + fprintf( stderr, + "libdvdread: Attempting to use device %s" + " mounted on %s for CSS authentication\n", + dev_name, + mp.mnt_mountp ); + auth_drive = DVDOpenImageFile( dev_name, have_css ); + break; + } + } + fclose( mntfile ); + } +#elif defined(__linux__) || defined(__CYGWIN__) + mntfile = fopen( MOUNTED, "r" ); + if( mntfile ) { + struct mntent *me; + + while( ( me = getmntent( mntfile ) ) ) { + if( !strcmp( me->mnt_dir, path_copy ) ) { + fprintf( stderr, + "libdvdread: Attempting to use device %s" + " mounted on %s for CSS authentication\n", + me->mnt_fsname, + me->mnt_dir ); + auth_drive = DVDOpenImageFile( me->mnt_fsname, have_css ); + dev_name = strdup(me->mnt_fsname); + break; + } + } + fclose( mntfile ); + } +#elif defined(__MINGW32__) + dev_name = strdup(path); + auth_drive = DVDOpenImageFile( path, have_css ); +#endif + if( !dev_name ) { + fprintf( stderr, "libdvdread: Couldn't find device name.\n" ); + } else if( !auth_drive ) { + fprintf( stderr, "libdvdread: Device %s inaccessible, " + "CSS authentication not available.\n", dev_name ); + } + + free( dev_name ); + free( path_copy ); + + /** + * If we've opened a drive, just use that. + */ + if( auth_drive ) return auth_drive; + + /** + * Otherwise, we now try to open the directory tree instead. + */ + return DVDOpenPath( path ); + } + + /* If it's none of the above, screw it. */ + fprintf( stderr, "libdvdread: Could not open %s\n", path ); + return 0; +} + +void DVDClose( dvd_reader_t *dvd ) +{ + if( dvd ) { + if( dvd->dev ) dvdinput_close( dvd->dev ); + if( dvd->path_root ) free( dvd->path_root ); + if( dvd->udfcache ) FreeUDFCache( dvd->udfcache ); + free( dvd ); + } +} + +/** + * Open an unencrypted file on a DVD image file. + */ +static dvd_file_t *DVDOpenFileUDF( dvd_reader_t *dvd, char *filename ) +{ + uint32_t start, len; + dvd_file_t *dvd_file; + + start = UDFFindFile( dvd, filename, &len ); + if( !start ) return 0; + + dvd_file = (dvd_file_t *) malloc( sizeof( dvd_file_t ) ); + if( !dvd_file ) return 0; + dvd_file->dvd = dvd; + dvd_file->lb_start = start; + dvd_file->seek_pos = 0; + memset( dvd_file->title_sizes, 0, sizeof( dvd_file->title_sizes ) ); + memset( dvd_file->title_devs, 0, sizeof( dvd_file->title_devs ) ); + dvd_file->filesize = len / DVD_VIDEO_LB_LEN; + + return dvd_file; +} + +/** + * Searches for in directory , ignoring case. + * Returns 0 and full filename in . + * or -1 on file not found. + * or -2 on path not found. + */ +static int findDirFile( const char *path, const char *file, char *filename ) +{ + DIR *dir; + struct dirent *ent; + + dir = opendir( path ); + if( !dir ) return -2; + + while( ( ent = readdir( dir ) ) != NULL ) { + if( !strcasecmp( ent->d_name, file ) ) { + sprintf( filename, "%s%s%s", path, + ( ( path[ strlen( path ) - 1 ] == '/' ) ? "" : "/" ), + ent->d_name ); + return 0; + } + } + + return -1; +} + +static int findDVDFile( dvd_reader_t *dvd, const char *file, char *filename ) +{ + char video_path[ PATH_MAX + 1 ]; + const char *nodirfile; + int ret; + + /* Strip off the directory for our search */ + if( !strncasecmp( "/VIDEO_TS/", file, 10 ) ) { + nodirfile = &(file[ 10 ]); + } else { + nodirfile = file; + } + + ret = findDirFile( dvd->path_root, nodirfile, filename ); + if( ret < 0 ) { + /* Try also with adding the path, just in case. */ + sprintf( video_path, "%s/VIDEO_TS/", dvd->path_root ); + ret = findDirFile( video_path, nodirfile, filename ); + if( ret < 0 ) { + /* Try with the path, but in lower case. */ + sprintf( video_path, "%s/video_ts/", dvd->path_root ); + ret = findDirFile( video_path, nodirfile, filename ); + if( ret < 0 ) { + return 0; + } + } + } + + return 1; +} + +/** + * Open an unencrypted file from a DVD directory tree. + */ +static dvd_file_t *DVDOpenFilePath( dvd_reader_t *dvd, char *filename ) +{ + char full_path[ PATH_MAX + 1 ]; + dvd_file_t *dvd_file; + struct stat fileinfo; + dvd_input_t dev; + + /* Get the full path of the file. */ + if( !findDVDFile( dvd, filename, full_path ) ) return 0; + + dev = dvdinput_open( full_path ); + if( !dev ) return 0; + + dvd_file = (dvd_file_t *) malloc( sizeof( dvd_file_t ) ); + if( !dvd_file ) return 0; + dvd_file->dvd = dvd; + dvd_file->lb_start = 0; + dvd_file->seek_pos = 0; + memset( dvd_file->title_sizes, 0, sizeof( dvd_file->title_sizes ) ); + memset( dvd_file->title_devs, 0, sizeof( dvd_file->title_devs ) ); + dvd_file->filesize = 0; + + if( stat( full_path, &fileinfo ) < 0 ) { + fprintf( stderr, "libdvdread: Can't stat() %s.\n", filename ); + free( dvd_file ); + return 0; + } + dvd_file->title_sizes[ 0 ] = fileinfo.st_size / DVD_VIDEO_LB_LEN; + dvd_file->title_devs[ 0 ] = dev; + dvd_file->filesize = dvd_file->title_sizes[ 0 ]; + + return dvd_file; +} + +static dvd_file_t *DVDOpenVOBUDF( dvd_reader_t *dvd, int title, int menu ) +{ + char filename[ MAX_UDF_FILE_NAME_LEN ]; + uint32_t start, len; + dvd_file_t *dvd_file; + + if( title == 0 ) { + sprintf( filename, "/VIDEO_TS/VIDEO_TS.VOB" ); + } else { + sprintf( filename, "/VIDEO_TS/VTS_%02d_%d.VOB", title, menu ? 0 : 1 ); + } + start = UDFFindFile( dvd, filename, &len ); + if( start == 0 ) return 0; + + dvd_file = (dvd_file_t *) malloc( sizeof( dvd_file_t ) ); + if( !dvd_file ) return 0; + dvd_file->dvd = dvd; + /*Hack*/ dvd_file->css_title = title << 1 | menu; + dvd_file->lb_start = start; + dvd_file->seek_pos = 0; + memset( dvd_file->title_sizes, 0, sizeof( dvd_file->title_sizes ) ); + memset( dvd_file->title_devs, 0, sizeof( dvd_file->title_devs ) ); + dvd_file->filesize = len / DVD_VIDEO_LB_LEN; + + /* Calculate the complete file size for every file in the VOBS */ + if( !menu ) { + int cur; + + for( cur = 2; cur < 10; cur++ ) { + sprintf( filename, "/VIDEO_TS/VTS_%02d_%d.VOB", title, cur ); + if( !UDFFindFile( dvd, filename, &len ) ) break; + dvd_file->filesize += len / DVD_VIDEO_LB_LEN; + } + } + + if( dvd->css_state == 1 /* Need key init */ ) { +// initAllCSSKeys( dvd ); +// dvd->css_state = 2; + } + /* + if( dvdinput_title( dvd_file->dvd->dev, (int)start ) < 0 ) { + fprintf( stderr, "libdvdread: Error cracking CSS key for %s\n", + filename ); + } + */ + + return dvd_file; +} + +static dvd_file_t *DVDOpenVOBPath( dvd_reader_t *dvd, int title, int menu ) +{ + char filename[ MAX_UDF_FILE_NAME_LEN ]; + char full_path[ PATH_MAX + 1 ]; + struct stat fileinfo; + dvd_file_t *dvd_file; + int i; + + dvd_file = (dvd_file_t *) malloc( sizeof( dvd_file_t ) ); + if( !dvd_file ) return 0; + dvd_file->dvd = dvd; + /*Hack*/ dvd_file->css_title = title << 1 | menu; + dvd_file->lb_start = 0; + dvd_file->seek_pos = 0; + memset( dvd_file->title_sizes, 0, sizeof( dvd_file->title_sizes ) ); + memset( dvd_file->title_devs, 0, sizeof( dvd_file->title_devs ) ); + dvd_file->filesize = 0; + + if( menu ) { + dvd_input_t dev; + + if( title == 0 ) { + sprintf( filename, "VIDEO_TS.VOB" ); + } else { + sprintf( filename, "VTS_%02i_0.VOB", title ); + } + if( !findDVDFile( dvd, filename, full_path ) ) { + free( dvd_file ); + return 0; + } + + dev = dvdinput_open( full_path ); + if( dev == NULL ) { + free( dvd_file ); + return 0; + } + + if( stat( full_path, &fileinfo ) < 0 ) { + fprintf( stderr, "libdvdread: Can't stat() %s.\n", filename ); + free( dvd_file ); + return 0; + } + dvd_file->title_sizes[ 0 ] = fileinfo.st_size / DVD_VIDEO_LB_LEN; + dvd_file->title_devs[ 0 ] = dev; + dvdinput_title( dvd_file->title_devs[0], 0); + dvd_file->filesize = dvd_file->title_sizes[ 0 ]; + + } else { + for( i = 0; i < 9; ++i ) { + + sprintf( filename, "VTS_%02i_%i.VOB", title, i + 1 ); + if( !findDVDFile( dvd, filename, full_path ) ) { + break; + } + + if( stat( full_path, &fileinfo ) < 0 ) { + fprintf( stderr, "libdvdread: Can't stat() %s.\n", filename ); + break; + } + + dvd_file->title_sizes[ i ] = fileinfo.st_size / DVD_VIDEO_LB_LEN; + dvd_file->title_devs[ i ] = dvdinput_open( full_path ); + dvdinput_title( dvd_file->title_devs[ i ], 0 ); + dvd_file->filesize += dvd_file->title_sizes[ i ]; + } + if( !dvd_file->title_devs[ 0 ] ) { + free( dvd_file ); + return 0; + } + } + + return dvd_file; +} + +dvd_file_t *DVDOpenFile( dvd_reader_t *dvd, int titlenum, + dvd_read_domain_t domain ) +{ + char filename[ MAX_UDF_FILE_NAME_LEN ]; + + /* Check arguments. */ + if( dvd == NULL || titlenum < 0 ) + return NULL; + + switch( domain ) { + case DVD_READ_INFO_FILE: + if( titlenum == 0 ) { + sprintf( filename, "/VIDEO_TS/VIDEO_TS.IFO" ); + } else { + sprintf( filename, "/VIDEO_TS/VTS_%02i_0.IFO", titlenum ); + } + break; + case DVD_READ_INFO_BACKUP_FILE: + if( titlenum == 0 ) { + sprintf( filename, "/VIDEO_TS/VIDEO_TS.BUP" ); + } else { + sprintf( filename, "/VIDEO_TS/VTS_%02i_0.BUP", titlenum ); + } + break; + case DVD_READ_MENU_VOBS: + if( dvd->isImageFile ) { + return DVDOpenVOBUDF( dvd, titlenum, 1 ); + } else { + return DVDOpenVOBPath( dvd, titlenum, 1 ); + } + break; + case DVD_READ_TITLE_VOBS: + if( titlenum == 0 ) return 0; + if( dvd->isImageFile ) { + return DVDOpenVOBUDF( dvd, titlenum, 0 ); + } else { + return DVDOpenVOBPath( dvd, titlenum, 0 ); + } + break; + default: + fprintf( stderr, "libdvdread: Invalid domain for file open.\n" ); + return NULL; + } + + if( dvd->isImageFile ) { + return DVDOpenFileUDF( dvd, filename ); + } else { + return DVDOpenFilePath( dvd, filename ); + } +} + +void DVDCloseFile( dvd_file_t *dvd_file ) +{ + int i; + + if( dvd_file ) { + if( dvd_file->dvd->isImageFile ) { + ; + } else { + for( i = 0; i < 9; ++i ) { + if( dvd_file->title_devs[ i ] ) { + dvdinput_close( dvd_file->title_devs[i] ); + } + } + } + + free( dvd_file ); + dvd_file = 0; + } +} + +/* Internal, but used from dvd_udf.c */ +int UDFReadBlocksRaw( dvd_reader_t *device, uint32_t lb_number, + size_t block_count, unsigned char *data, + int encrypted ) +{ + int ret; + + if( !device->dev ) { + fprintf( stderr, "libdvdread: Fatal error in block read.\n" ); + return 0; + } + + ret = dvdinput_seek( device->dev, (int) lb_number ); + if( ret != (int) lb_number ) { + fprintf( stderr, "libdvdread: Can't seek to block %u\n", lb_number ); + return 0; + } + + return dvdinput_read( device->dev, (char *) data, + (int) block_count, encrypted ); +} + +/* This is using a single input and starting from 'dvd_file->lb_start' offset. + * + * Reads 'block_count' blocks from 'dvd_file' at block offset 'offset' + * into the buffer located at 'data' and if 'encrypted' is set + * descramble the data if it's encrypted. Returning either an + * negative error or the number of blocks read. */ +static int DVDReadBlocksUDF( dvd_file_t *dvd_file, uint32_t offset, + size_t block_count, unsigned char *data, + int encrypted ) +{ + return UDFReadBlocksRaw( dvd_file->dvd, dvd_file->lb_start + offset, + block_count, data, encrypted ); +} + +/* This is using possibly several inputs and starting from an offset of '0'. + * + * Reads 'block_count' blocks from 'dvd_file' at block offset 'offset' + * into the buffer located at 'data' and if 'encrypted' is set + * descramble the data if it's encrypted. Returning either an + * negative error or the number of blocks read. */ +static int DVDReadBlocksPath( dvd_file_t *dvd_file, unsigned int offset, + size_t block_count, unsigned char *data, + int encrypted ) +{ + int i; + int ret, ret2, off; + + ret = 0; + ret2 = 0; + for( i = 0; i < 9; ++i ) { + if( !dvd_file->title_sizes[ i ] ) return 0; /* Past end of file */ + + if( offset < dvd_file->title_sizes[ i ] ) { + if( ( offset + block_count ) <= dvd_file->title_sizes[ i ] ) { + off = dvdinput_seek( dvd_file->title_devs[ i ], (int)offset ); + if( off < 0 || off != (int)offset ) { + fprintf( stderr, "libdvdread: Can't seek to block %d\n", + offset ); + return off < 0 ? off : 0; + } + ret = dvdinput_read( dvd_file->title_devs[ i ], data, + (int)block_count, encrypted ); + break; + } else { + size_t part1_size = dvd_file->title_sizes[ i ] - offset; + /* FIXME: Really needs to be a while loop. + * (This is only true if you try and read >1GB at a time) */ + + /* Read part 1 */ + off = dvdinput_seek( dvd_file->title_devs[ i ], (int)offset ); + if( off < 0 || off != (int)offset ) { + fprintf( stderr, "libdvdread: Can't seek to block %d\n", + offset ); + return off < 0 ? off : 0; + } + ret = dvdinput_read( dvd_file->title_devs[ i ], data, + (int)part1_size, encrypted ); + if( ret < 0 ) return ret; + /* FIXME: This is wrong if i is the last file in the set. + * also error from this read will not show in ret. */ + + /* Does the next part exist? If not then return now. */ + if( !dvd_file->title_devs[ i + 1 ] ) return ret; + + /* Read part 2 */ + off = dvdinput_seek( dvd_file->title_devs[ i + 1 ], 0 ); + if( off < 0 || off != 0 ) { + fprintf( stderr, "libdvdread: Can't seek to block %d\n", + 0 ); + return off < 0 ? off : 0; + } + ret2 = dvdinput_read( dvd_file->title_devs[ i + 1 ], + data + ( part1_size + * (int64_t)DVD_VIDEO_LB_LEN ), + (int)(block_count - part1_size), + encrypted ); + if( ret2 < 0 ) return ret2; + break; + } + } else { + offset -= dvd_file->title_sizes[ i ]; + } + } + + return ret + ret2; +} + +/* This is broken reading more than 2Gb at a time is ssize_t is 32-bit. */ +ssize_t DVDReadBlocks( dvd_file_t *dvd_file, int offset, + size_t block_count, unsigned char *data ) +{ + int ret; + + /* Check arguments. */ + if( dvd_file == NULL || offset < 0 || data == NULL ) + return -1; + + /* Hack, and it will still fail for multiple opens in a threaded app ! */ + if( dvd_file->dvd->css_title != dvd_file->css_title ) { + dvd_file->dvd->css_title = dvd_file->css_title; + if( dvd_file->dvd->isImageFile ) { + dvdinput_title( dvd_file->dvd->dev, (int)dvd_file->lb_start ); + } + /* Here each vobu has it's own dvdcss handle, so no need to update + else { + dvdinput_title( dvd_file->title_devs[ 0 ], (int)dvd_file->lb_start ); + }*/ + } + + if( dvd_file->dvd->isImageFile ) { + ret = DVDReadBlocksUDF( dvd_file, (uint32_t)offset, + block_count, data, DVDINPUT_READ_DECRYPT ); + } else { + ret = DVDReadBlocksPath( dvd_file, (unsigned int)offset, + block_count, data, DVDINPUT_READ_DECRYPT ); + } + + return (ssize_t)ret; +} + +int DVDFileSeek( dvd_file_t *dvd_file, int offset ) +{ + /* Check arguments. */ + if( dvd_file == NULL || offset < 0 ) + return -1; + + if( offset > dvd_file->filesize * DVD_VIDEO_LB_LEN ) { + return -1; + } + dvd_file->seek_pos = (uint32_t) offset; + return offset; +} + +ssize_t DVDReadBytes( dvd_file_t *dvd_file, void *data, size_t byte_size ) +{ + unsigned char *secbuf; + unsigned int numsec, seek_sector, seek_byte; + int ret; + + /* Check arguments. */ + if( dvd_file == NULL || data == NULL ) + return -1; + + seek_sector = dvd_file->seek_pos / DVD_VIDEO_LB_LEN; + seek_byte = dvd_file->seek_pos % DVD_VIDEO_LB_LEN; + + numsec = ( ( seek_byte + byte_size ) / DVD_VIDEO_LB_LEN ) + + ( ( ( seek_byte + byte_size ) % DVD_VIDEO_LB_LEN ) ? 1 : 0 ); + + secbuf = (unsigned char *) malloc( numsec * DVD_VIDEO_LB_LEN ); + if( !secbuf ) { + fprintf( stderr, "libdvdread: Can't allocate memory " + "for file read!\n" ); + return 0; + } + + if( dvd_file->dvd->isImageFile ) { + ret = DVDReadBlocksUDF( dvd_file, (uint32_t) seek_sector, + (size_t) numsec, secbuf, DVDINPUT_NOFLAGS ); + } else { + ret = DVDReadBlocksPath( dvd_file, seek_sector, + (size_t) numsec, secbuf, DVDINPUT_NOFLAGS ); + } + + if( ret != (int) numsec ) { + free( secbuf ); + return ret < 0 ? ret : 0; + } + + memcpy( data, &(secbuf[ seek_byte ]), byte_size ); + free( secbuf ); + + dvd_file->seek_pos += byte_size; + return byte_size; +} + +ssize_t DVDFileSize( dvd_file_t *dvd_file ) +{ + /* Check arguments. */ + if( dvd_file == NULL ) + return -1; + + return dvd_file->filesize; +} + +int DVDDiscID( dvd_reader_t *dvd, unsigned char *discid ) +{ + struct md5_ctx ctx; + int title; + + /* Check arguments. */ + if( dvd == NULL || discid == NULL ) + return 0; + + /* Go through the first 10 IFO:s, in order, + * and md5sum them, i.e VIDEO_TS.IFO and VTS_0?_0.IFO */ + md5_init_ctx( &ctx ); + for( title = 0; title < 10; title++ ) { + dvd_file_t *dvd_file = DVDOpenFile( dvd, title, DVD_READ_INFO_FILE ); + if( dvd_file != NULL ) { + ssize_t bytes_read; + size_t file_size = dvd_file->filesize * DVD_VIDEO_LB_LEN; + char *buffer = malloc( file_size ); + + if( buffer == NULL ) { + fprintf( stderr, "libdvdread: DVDDiscId, failed to " + "allocate memory for file read!\n" ); + return -1; + } + bytes_read = DVDReadBytes( dvd_file, buffer, file_size ); + if( bytes_read != file_size ) { + fprintf( stderr, "libdvdread: DVDDiscId read returned %d bytes" + ", wanted %d\n", bytes_read, file_size ); + DVDCloseFile( dvd_file ); + return -1; + } + + md5_process_bytes( buffer, file_size, &ctx ); + + DVDCloseFile( dvd_file ); + free( buffer ); + } + } + md5_finish_ctx( &ctx, discid ); + + return 0; +} + + +int DVDISOVolumeInfo( dvd_reader_t *dvd, + char *volid, unsigned int volid_size, + unsigned char *volsetid, unsigned int volsetid_size ) +{ + unsigned char *buffer; + int ret; + + /* Check arguments. */ + if( dvd == NULL ) + return 0; + + if( dvd->dev == NULL ) { + /* No block access, so no ISO... */ + return -1; + } + + buffer = malloc( DVD_VIDEO_LB_LEN ); + if( buffer == NULL ) { + fprintf( stderr, "libdvdread: DVDISOVolumeInfo, failed to " + "allocate memory for file read!\n" ); + return -1; + } + + ret = UDFReadBlocksRaw( dvd, 16, 1, buffer, 0 ); + if( ret != 1 ) { + fprintf( stderr, "libdvdread: DVDISOVolumeInfo, failed to " + "read ISO9660 Primary Volume Descriptor!\n" ); + return -1; + } + + if( (volid != NULL) && (volid_size > 0) ) { + unsigned int n; + for(n = 0; n < 32; n++) { + if(buffer[40+n] == 0x20) { + break; + } + } + + if(volid_size > n+1) { + volid_size = n+1; + } + + memcpy(volid, &buffer[40], volid_size-1); + volid[volid_size-1] = '\0'; + } + + if( (volsetid != NULL) && (volsetid_size > 0) ) { + if(volsetid_size > 128) { + volsetid_size = 128; + } + memcpy(volsetid, &buffer[190], volsetid_size); + } + return 0; +} + + +int DVDUDFVolumeInfo( dvd_reader_t *dvd, + char *volid, unsigned int volid_size, + unsigned char *volsetid, unsigned int volsetid_size ) +{ + int ret; + /* Check arguments. */ + if( dvd == NULL ) + return -1; + + if( dvd->dev == NULL ) { + /* No block access, so no UDF VolumeSet Identifier */ + return -1; + } + + if( (volid != NULL) && (volid_size > 0) ) { + ret = UDFGetVolumeIdentifier(dvd, volid, volid_size); + if(!ret) { + return -1; + } + } + if( (volsetid != NULL) && (volsetid_size > 0) ) { + ret = UDFGetVolumeSetIdentifier(dvd, volsetid, volsetid_size); + if(!ret) { + return -1; + } + } + + return 0; +} diff --git a/libdvdread/dvd_reader.h b/libdvdread/dvd_reader.h new file mode 100644 index 0000000000..cc4ba54895 --- /dev/null +++ b/libdvdread/dvd_reader.h @@ -0,0 +1,265 @@ +#ifndef DVD_READER_H_INCLUDED +#define DVD_READER_H_INCLUDED + +/* + * Copyright (C) 2001, 2002 Billy Biggs , + * Håkan Hjort , + * Björn Englund + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include + +/** + * The DVD access interface. + * + * This file contains the functions that form the interface to to + * reading files located on a DVD. + */ + +/** + * The current version. + */ +#define DVDREAD_VERSION 904 + +/** + * The length of one Logical Block of a DVD. + */ +#define DVD_VIDEO_LB_LEN 2048 + +/** + * Maximum length of filenames allowed in UDF. + */ +#define MAX_UDF_FILE_NAME_LEN 2048 + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * Opaque type that is used as a handle for one instance of an opened DVD. + */ +typedef struct dvd_reader_s dvd_reader_t; + +/** + * Opaque type for a file read handle, much like a normal fd or FILE *. + */ +typedef struct dvd_file_s dvd_file_t; + +/** + * Opens a block device of a DVD-ROM file, or an image file, or a directory + * name for a mounted DVD or HD copy of a DVD. + * + * If the given file is a block device, or is the mountpoint for a block + * device, then that device is used for CSS authentication using libdvdcss. + * If no device is available, then no CSS authentication is performed, + * and we hope that the image is decrypted. + * + * If the path given is a directory, then the files in that directory may be + * in any one of these formats: + * + * path/VIDEO_TS/VTS_01_1.VOB + * path/video_ts/vts_01_1.vob + * path/VTS_01_1.VOB + * path/vts_01_1.vob + * + * @param path Specifies the the device, file or directory to be used. + * @return If successful a a read handle is returned. Otherwise 0 is returned. + * + * dvd = DVDOpen(path); + */ +dvd_reader_t *DVDOpen( const char * ); + +/** + * Closes and cleans up the DVD reader object. + * + * You must close all open files before calling this function. + * + * @param dvd A read handle that should be closed. + * + * DVDClose(dvd); + */ +void DVDClose( dvd_reader_t * ); + +/** + * + */ +typedef enum { + DVD_READ_INFO_FILE, /**< VIDEO_TS.IFO or VTS_XX_0.IFO (title) */ + DVD_READ_INFO_BACKUP_FILE, /**< VIDEO_TS.BUP or VTS_XX_0.BUP (title) */ + DVD_READ_MENU_VOBS, /**< VIDEO_TS.VOB or VTS_XX_0.VOB (title) */ + DVD_READ_TITLE_VOBS /**< VTS_XX_[1-9].VOB (title). All files in + the title set are opened and read as a + single file. */ +} dvd_read_domain_t; + +/** + * Opens a file on the DVD given the title number and domain. + * + * If the title number is 0, the video manager information is opened + * (VIDEO_TS.[IFO,BUP,VOB]). Returns a file structure which may be + * used for reads, or 0 if the file was not found. + * + * @param dvd A dvd read handle. + * @param titlenum Which Video Title Set should be used, VIDEO_TS is 0. + * @param domain Which domain. + * @return If successful a a file read handle is returned, otherwise 0. + * + * dvd_file = DVDOpenFile(dvd, titlenum, domain); */ +dvd_file_t *DVDOpenFile( dvd_reader_t *, int, dvd_read_domain_t ); + +/** + * Closes a file and frees the associated structure. + * + * @param dvd_file The file read handle to be closed. + * + * DVDCloseFile(dvd_file); + */ +void DVDCloseFile( dvd_file_t * ); + +/** + * Reads block_count number of blocks from the file at the given block offset. + * Returns number of blocks read on success, -1 on error. This call is only + * for reading VOB data, and should not be used when reading the IFO files. + * When reading from an encrypted drive, blocks are decrypted using libdvdcss + * where required. + * + * @param dvd_file A file read handle. + * @param offset Block offset from the start of the file to start reading at. + * @param block_count Number of block to read. + * @param data Pointer to a buffer to write the data into. + * @return Returns number of blocks read on success, -1 on error. + * + * blocks_read = DVDReadBlocks(dvd_file, offset, block_count, data); + */ +ssize_t DVDReadBlocks( dvd_file_t *, int, size_t, unsigned char * ); + +/** + * Seek to the given position in the file. Returns the resulting position in + * bytes from the beginning of the file. The seek position is only used for + * byte reads from the file, the block read call always reads from the given + * offset. + * + * @param dvd_file A file read handle. + * @param seek_offset Byte offset from the start of the file to seek to. + * @return The resulting position in bytes from the beginning of the file. + * + * offset_set = DVDFileSeek(dvd_file, seek_offset); + */ +int DVDFileSeek( dvd_file_t *, int ); + +/** + * Reads the given number of bytes from the file. This call can only be used + * on the information files, and may not be used for reading from a VOB. This + * reads from and increments the currrent seek position for the file. + * + * @param dvd_file A file read handle. + * @param data Pointer to a buffer to write the data into. + * @param bytes Number of bytes to read. + * @return Returns number of bytes read on success, -1 on error. + * + * bytes_read = DVDReadBytes(dvd_file, data, bytes); + */ +ssize_t DVDReadBytes( dvd_file_t *, void *, size_t ); + +/** + * Returns the file size in blocks. + * + * @param dvd_file A file read handle. + * @return The size of the file in blocks, -1 on error. + * + * blocks = DVDFileSize(dvd_file); + */ +ssize_t DVDFileSize( dvd_file_t * ); + +/** + * Get a unique 128 bit disc ID. + * This is the MD5 sum of VIDEO_TS.IFO and the VTS_0?_0.IFO files + * in title order (those that exist). + * If you need a 'text' representation of the id, print it as a + * hexadecimal number, using lowercase letters, discid[0] first. + * I.e. the same format as the command-line 'md5sum' program uses. + * + * @param dvd A read handle to get the disc ID from + * @param discid The buffer to put the disc ID into. The buffer must + * have room for 128 bits (16 chars). + * @return 0 on success, -1 on error. + */ +int DVDDiscID( dvd_reader_t *, unsigned char * ); + +/** + * Get the UDF VolumeIdentifier and VolumeSetIdentifier + * from the