From 97e5f304ce0e3693f72f44710e6d86e5f323bead Mon Sep 17 00:00:00 2001 From: rathann Date: Sat, 30 Aug 2008 12:22:21 +0000 Subject: Rename internal libdvdread fork from dvdread to libdvdread to avoid clashing with external libdvdread. (Sync with libdvdread r1122) git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@27498 b3059339-0415-0410-9bf9-f77b7e298cf2 --- libdvdread/bswap.h | 16 + libdvdread/cmd_print.c | 550 +++++++++ libdvdread/cmd_print.h | 51 + libdvdread/dvd_input.c | 414 +++++++ libdvdread/dvd_input.h | 55 + libdvdread/dvd_reader.c | 1611 ++++++++++++++++++++++++++ libdvdread/dvd_reader.h | 344 ++++++ libdvdread/dvd_udf.c | 1217 ++++++++++++++++++++ libdvdread/dvd_udf.h | 66 ++ libdvdread/dvdread_internal.h | 13 + libdvdread/ifo_print.c | 1190 ++++++++++++++++++++ libdvdread/ifo_print.h | 60 + libdvdread/ifo_read.c | 2185 ++++++++++++++++++++++++++++++++++++ libdvdread/ifo_read.h | 228 ++++ libdvdread/ifo_types.h | 897 +++++++++++++++ libdvdread/libdvdread_changes.diff | 514 +++++++++ libdvdread/md5.c | 418 +++++++ libdvdread/md5.h | 162 +++ libdvdread/nav_print.c | 286 +++++ libdvdread/nav_print.h | 51 + libdvdread/nav_read.c | 331 ++++++ libdvdread/nav_read.h | 52 + libdvdread/nav_types.h | 273 +++++ 23 files changed, 10984 insertions(+) create mode 100644 libdvdread/bswap.h create mode 100644 libdvdread/cmd_print.c create mode 100644 libdvdread/cmd_print.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 (limited to 'libdvdread') diff --git a/libdvdread/bswap.h b/libdvdread/bswap.h new file mode 100644 index 0000000000..92afd07c88 --- /dev/null +++ b/libdvdread/bswap.h @@ -0,0 +1,16 @@ +#ifndef DVDREAD_BSWAP_H +#define DVDREAD_BSWAP_H + +#include "libavutil/bswap.h" + +#ifdef WORDS_BIGENDIAN +#define B2N_16(x) +#define B2N_32(x) +#define B2N_64(x) +#else +#define B2N_16(x) x = bswap_16(x) +#define B2N_32(x) x = bswap_32(x) +#define B2N_64(x) x = bswap_64(x) +#endif + +#endif diff --git a/libdvdread/cmd_print.c b/libdvdread/cmd_print.c new file mode 100644 index 0000000000..fd3bdc1382 --- /dev/null +++ b/libdvdread/cmd_print.c @@ -0,0 +1,550 @@ +/* -*- c-basic-offset: 2; indent-tabs-mode: nil -*- */ +/* + * Copyright (C) 2000, 2001, 2002, 2003 Martin Norbäck, 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 02111-1307 USA + */ + +#include "config.h" + +#include +#include + +#if defined(HAVE_INTTYPES_H) +#include +#elif defined(HAVE_STDINT_H) +#include +#endif + +#include "cmd_print.h" + + +typedef struct +{ + uint8_t bits[8]; + uint8_t examined[8]; +} cmd_t; + + +static const char *cmp_op_table[] = { + NULL, "&", "==", "!=", ">=", ">", "<=", "<" +}; +static const char *set_op_table[] = { + NULL, "=", "<->", "+=", "-=", "*=", "/=", "%=", "rnd", "&=", "|=", "^=" +}; + +static const char *link_table[] = { + "LinkNoLink", "LinkTopC", "LinkNextC", "LinkPrevC", + NULL, "LinkTopPG", "LinkNextPG", "LinkPrevPG", + NULL, "LinkTopPGC", "LinkNextPGC", "LinkPrevPGC", + "LinkGoUpPGC", "LinkTailPGC", NULL, NULL, + "RSM" +}; + +static const char *system_reg_table[] = { + "Menu Description Language Code", + "Audio Stream Number", + "Sub-picture Stream Number", + "Angle Number", + "Title Track Number", + "VTS Title Track Number", + "VTS PGC Number", + "PTT Number for One_Sequential_PGC_Title", + "Highlighted Button Number", + "Navigation Timer", + "Title PGC Number for Navigation Timer", + "Audio Mixing Mode for Karaoke", + "Country Code for Parental Management", + "Parental Level", + "Player Configurations for Video", + "Player Configurations for Audio", + "Initial Language Code for Audio", + "Initial Language Code Extension for Audio", + "Initial Language Code for Sub-picture", + "Initial Language Code Extension for Sub-picture", + "Player Regional Code", + "Reserved 21", + "Reserved 22", + "Reserved 23" +}; + +static const char *system_reg_abbr_table[] = { + NULL, + "ASTN", + "SPSTN", + "AGLN", + "TTN", + "VTS_TTN", + "TT_PGCN", + "PTTN", + "HL_BTNN", + "NVTMR", + "NV_PGCN", + NULL, + "CC_PLT", + "PLT", + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, +}; + + + +static unsigned int bits(cmd_t *cmd, int byte, int bit, int count) { + unsigned int val = 0; + unsigned int bit_mask; + + while(count--) { + if(bit > 7) { + bit = 0; + byte++; + } + bit_mask = 0x01 << (7-bit); + val <<= 1; + if((cmd->bits[byte]) & bit_mask) + val |= 1; + cmd->examined[byte] |= bit_mask; + bit++; + } + return val; +} + + +static void print_system_reg(unsigned int reg) { + if(reg < sizeof(system_reg_abbr_table) / sizeof(char *)) + fprintf(stdout, system_reg_table[reg]); + else + fprintf(stdout, " WARNING: Unknown system register "); +} + +static void print_reg(unsigned int reg) { + if(reg & 0x80) + print_system_reg(reg & 0x7f); + else + if(reg < 16) + fprintf(stdout, "g[%u]", reg); + else + fprintf(stdout, " WARNING: Unknown general register "); +} + +static void print_cmp_op(unsigned int op) { + if(op < sizeof(cmp_op_table) / sizeof(char *) && cmp_op_table[op] != NULL) + fprintf(stdout, " %s ", cmp_op_table[op]); + else + fprintf(stdout, " WARNING: Unknown compare op "); +} + +static void print_set_op(unsigned int op) { + if(op < sizeof(set_op_table) / sizeof(char *) && set_op_table[op] != NULL) + fprintf(stdout, " %s ", set_op_table[op]); + else + fprintf(stdout, " WARNING: Unknown set op "); +} + +static void print_reg_or_data(cmd_t *cmd, unsigned int immediate, int byte) { + if(immediate) { + int i = bits(cmd,byte,0,16); + + fprintf(stdout, "0x%x", i); + if(isprint(i & 0xff) && isprint((i>>8) & 0xff)) + fprintf(stdout, " (\"%c%c\")", (char)((i>>8) & 0xff), (char)(i & 0xff)); + } else { + print_reg(bits(cmd,byte + 1,0,8)); + } +} + +static void print_reg_or_data_2(cmd_t *cmd, unsigned int immediate, int byte) { + if(immediate) + fprintf(stdout, "0x%x", bits(cmd,byte,1,7)); + else + fprintf(stdout, "g[%u]", bits(cmd,byte,4,4)); +} + +static void print_if_version_1(cmd_t *cmd) { + unsigned int op = bits(cmd,1,1,3); + + if(op) { + fprintf(stdout, "if ("); + print_reg(bits(cmd,3,0,8)); + print_cmp_op(op); + print_reg_or_data(cmd,bits(cmd,1,0,1), 4); + fprintf(stdout, ") "); + } +} + +static void print_if_version_2(cmd_t *cmd) { + unsigned int op = bits(cmd,1,1,3); + + if(op) { + fprintf(stdout, "if ("); + print_reg(bits(cmd,6,0,8)); + print_cmp_op(op); + print_reg(bits(cmd,7,0,8)); + fprintf(stdout, ") "); + } +} + +static void print_if_version_3(cmd_t *cmd) { + unsigned int op = bits(cmd,1,1,3); + + if(op) { + fprintf(stdout, "if ("); + print_reg(bits(cmd,2,0,8)); + print_cmp_op(op); + print_reg_or_data(cmd,bits(cmd,1,0,1), 6); + fprintf(stdout, ") "); + } +} + +static void print_if_version_4(cmd_t *cmd) { + unsigned int op = bits(cmd,1,1,3); + + if(op) { + fprintf(stdout, "if ("); + print_reg(bits(cmd,1,4,4)); + print_cmp_op(op); + print_reg_or_data(cmd,bits(cmd,1,0,1), 4); + fprintf(stdout, ") "); + } +} + +static void print_if_version_5(cmd_t *cmd) { + unsigned int op = bits(cmd,1,1,3); + + if(op) { + fprintf(stdout, "if ("); + print_reg(bits(cmd,4,0,8)); + print_cmp_op(op); + print_reg(bits(cmd,5,0,8)); + fprintf(stdout, ") "); + } +} + +static void print_special_instruction(cmd_t *cmd) { + unsigned int op = bits(cmd,1,4,4); + + switch(op) { + case 0: // NOP + fprintf(stdout, "Nop"); + break; + case 1: // Goto line + fprintf(stdout, "Goto %u", bits(cmd,7,0,8)); + break; + case 2: // Break + fprintf(stdout, "Break"); + break; + case 3: // Parental level + fprintf(stdout, "SetTmpPML %u, Goto %u", + bits(cmd,6,4,4), bits(cmd,7,0,8)); + break; + default: + fprintf(stdout, "WARNING: Unknown special instruction (%u)", + bits(cmd,1,4,4)); + } +} + +static void print_linksub_instruction(cmd_t *cmd) { + unsigned int linkop = bits(cmd,7,3,5); + unsigned int button = bits(cmd,6,0,6); + + if(linkop < sizeof(link_table)/sizeof(char *) && link_table[linkop] != NULL) + fprintf(stdout, "%s (button %u)", link_table[linkop], button); + else + fprintf(stdout, "WARNING: Unknown linksub instruction (%u)", linkop); +} + +static void print_link_instruction(cmd_t *cmd, int optional) { + unsigned int op = bits(cmd,1,4,4); + + if(optional && op) + fprintf(stdout, ", "); + + switch(op) { + case 0: + if(!optional) + fprintf(stdout, "WARNING: NOP (link)!"); + break; + case 1: + print_linksub_instruction(cmd); + break; + case 4: + fprintf(stdout, "LinkPGCN %u", bits(cmd,6,1,15)); + break; + case 5: + fprintf(stdout, "LinkPTT %u (button %u)", + bits(cmd,6,6,10), bits(cmd,6,0,6)); + break; + case 6: + fprintf(stdout, "LinkPGN %u (button %u)", + bits(cmd,7,1,7), bits(cmd,6,0,6)); + break; + case 7: + fprintf(stdout, "LinkCN %u (button %u)", + bits(cmd,7,0,8), bits(cmd,6,0,6)); + break; + default: + fprintf(stdout, "WARNING: Unknown link instruction"); + } +} + +static void print_jump_instruction(cmd_t *cmd) { + switch(bits(cmd,1,4,4)) { + case 1: + fprintf(stdout, "Exit"); + break; + case 2: + fprintf(stdout, "JumpTT %u", bits(cmd,5,1,7)); + break; + case 3: + fprintf(stdout, "JumpVTS_TT %u", bits(cmd,5,1,7)); + break; + case 5: + fprintf(stdout, "JumpVTS_PTT %u:%u", bits(cmd,5,1,7), bits(cmd,2,6,10)); + break; + case 6: + switch(bits(cmd,5,0,2)) { + case 0: + fprintf(stdout, "JumpSS FP"); + break; + case 1: + fprintf(stdout, "JumpSS VMGM (menu %u)", bits(cmd,5,4,4)); + break; + case 2: + fprintf(stdout, "JumpSS VTSM (vts %u, title %u, menu %u)", + bits(cmd,4,0,8), bits(cmd,3,0,8), bits(cmd,5,4,4)); + break; + case 3: + fprintf(stdout, "JumpSS VMGM (pgc %u)", bits(cmd,2,1,15)); + break; + } + break; + case 8: + switch(bits(cmd,5,0,2)) { + case 0: + fprintf(stdout, "CallSS FP (rsm_cell %u)", + bits(cmd,4,0,8)); + break; + case 1: + fprintf(stdout, "CallSS VMGM (menu %u, rsm_cell %u)", + bits(cmd,5,4,4), bits(cmd,4,0,8)); + break; + case 2: + fprintf(stdout, "CallSS VTSM (menu %u, rsm_cell %u)", + bits(cmd,5,4,4), bits(cmd,4,0,8)); + break; + case 3: + fprintf(stdout, "CallSS VMGM (pgc %u, rsm_cell %u)", + bits(cmd,2,1,15), bits(cmd,4,0,8)); + break; + } + break; + default: + fprintf(stdout, "WARNING: Unknown Jump/Call instruction"); + } +} + +static void print_system_set(cmd_t *cmd) { + int i; + + switch(bits(cmd,0,4,4)) { + case 1: // Set system reg 1 &| 2 &| 3 (Audio, Subp. Angle) + for(i = 1; i <= 3; i++) { + if(bits(cmd,2+i,0,1)) { + print_system_reg((unsigned int)i); + fprintf(stdout, " = "); + print_reg_or_data_2(cmd,bits(cmd,0,3,1), 2 + i); + fprintf(stdout, " "); + } + } + break; + case 2: // Set system reg 9 & 10 (Navigation timer, Title PGC number) + print_system_reg(9); + fprintf(stdout, " = "); + print_reg_or_data(cmd,bits(cmd,0,3,1), 2); + fprintf(stdout, " "); + print_system_reg(10); + fprintf(stdout, " = %u", bits(cmd,5,0,8)); // ?? + break; + case 3: // Mode: Counter / Register + Set + fprintf(stdout, "SetMode "); + if(bits(cmd,5,0,1)) + fprintf(stdout, "Counter "); + else + fprintf(stdout, "Register "); + print_reg(bits(cmd,5,4,4)); + print_set_op(0x1); // '=' + print_reg_or_data(cmd,bits(cmd,0,3,1), 2); + break; + case 6: // Set system reg 8 (Highlighted button) + print_system_reg(8); + if(bits(cmd,0,3,1)) // immediate + fprintf(stdout, " = 0x%x (button no %u)", + bits(cmd,4,0,16), bits(cmd,4,0,6)); + else + fprintf(stdout, " = g[%u]", bits(cmd,5,4,4)); + break; + default: + fprintf(stdout, "WARNING: Unknown system set instruction (%u)", + bits(cmd,0,4,4)); + } +} + +static void print_set_version_1(cmd_t *cmd) { + unsigned int set_op = bits(cmd,0,4,4); + + if(set_op) { + print_reg(bits(cmd,3,0,8)); + print_set_op(set_op); + print_reg_or_data(cmd,bits(cmd,0,3,1), 4); + } else { + fprintf(stdout, "NOP"); + } +} + +static void print_set_version_2(cmd_t *cmd) { + unsigned int set_op = bits(cmd,0,4,4); + + if(set_op) { + print_reg(bits(cmd,1,4,4)); + print_set_op(set_op); + print_reg_or_data(cmd,bits(cmd,0,3,1), 2); + } else { + fprintf(stdout, "NOP"); + } +} + +static void print_set_version_3(cmd_t *cmd) { + unsigned int set_op = bits(cmd,0,4,4); + + if(set_op) { + print_reg(bits(cmd,1,4,4)); + print_set_op(set_op); + if(bits(cmd,0,3,1)) { // print_reg_or_data + unsigned int i = bits(cmd,2,0,16); + + fprintf(stdout, "0x%x", i); + if(isprint(i & 0xff) && isprint((i>>8) & 0xff)) + fprintf(stdout, " (\"%c%c\")", + (char)((i>>8) & 0xff), (char)(i & 0xff)); + } else { + print_reg(bits(cmd,2,0,8)); + } + } else { + fprintf(stdout, "NOP"); + } +} + +static void print_command(cmd_t *cmd) { + switch(bits(cmd,0,0,3)) { /* three first bits */ + case 0: // Special instructions + print_if_version_1(cmd); + print_special_instruction(cmd); + break; + case 1: // Jump/Call or Link instructions + if(bits(cmd,0,3,1)) { + print_if_version_2(cmd); + print_jump_instruction(cmd); + } else { + print_if_version_1(cmd); + print_link_instruction(cmd,0); // must be pressent + } + break; + case 2: // Set System Parameters instructions + print_if_version_2(cmd); + print_system_set(cmd); + print_link_instruction(cmd,1); // either 'if' or 'link' + break; + case 3: // Set General Parameters instructions + print_if_version_3(cmd); + print_set_version_1(cmd); + print_link_instruction(cmd,1); // either 'if' or 'link' + break; + case 4: // Set, Compare -> LinkSub instructions + print_set_version_2(cmd); + fprintf(stdout, ", "); + print_if_version_4(cmd); + print_linksub_instruction(cmd); + break; + case 5: // Compare -> (Set and LinkSub) instructions + if(bits(cmd,0,3,1)) + print_if_version_5(cmd); + else + print_if_version_1(cmd); + fprintf(stdout, "{ "); + print_set_version_3(cmd); + fprintf(stdout, ", "); + print_linksub_instruction(cmd); + fprintf(stdout, " }"); + break; + case 6: // Compare -> Set, always LinkSub instructions + if(bits(cmd,0,3,1)) + print_if_version_5(cmd); + else + print_if_version_1(cmd); + fprintf(stdout, "{ "); + print_set_version_3(cmd); + fprintf(stdout, " } "); + print_linksub_instruction(cmd); + break; + default: + fprintf(stdout, "WARNING: Unknown instruction type (%i)", + bits(cmd,0,0,3)); + } +} + +void cmdPrint_mnemonic(vm_cmd_t *command) { + int i, extra_bits; + cmd_t cmd; + + for(i = 0; i < 8; i++) { + cmd.bits[i] = command->bytes[i]; + cmd.examined[i] = 0; + } + + print_command(&cmd); + + // Check if there still are bits set that were not examined + extra_bits = 0; + for(i = 0; i < 8; i++) + if(cmd.bits[i] & ~ cmd.examined[i]) { + extra_bits = 1; + break; + } + if(extra_bits) { + fprintf(stdout, " [WARNING, unknown bits:"); + for(i = 0; i < 8; i++) + fprintf(stdout, " %02x", cmd.bits[i] & ~ cmd.examined[i]); + fprintf(stdout, "]"); + } +} + +void cmdPrint_CMD(int row, vm_cmd_t *command) { + int i; + + fprintf(stdout, "(%03d) ", row + 1); + for(i = 0; i < 8; i++) + fprintf(stdout, "%02x ", command->bytes[i]); + fprintf(stdout, "| "); + + cmdPrint_mnemonic(command); + fprintf(stdout, "\n"); +} diff --git a/libdvdread/cmd_print.h b/libdvdread/cmd_print.h new file mode 100644 index 0000000000..0f1ee74ddb --- /dev/null +++ b/libdvdread/cmd_print.h @@ -0,0 +1,51 @@ +/* -*- c-basic-offset: 2; indent-tabs-mode: nil -*- */ +#ifndef CMD_PRINT_H_INCLUDED +#define CMD_PRINT_H_INCLUDED + +/* + * Copyright (C) 2000, 2001, 2002, 2003 Martin Norbäck, 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 02111-1307 USA + */ + +#include + +/** + * Pretty printing of the DVD commands (vm instructions). + */ + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * Prints a text representation of the commands to stdout. + * + * @param command Pointer to the DVD command to be printed. + */ +void cmdPrint_mnemonic(vm_cmd_t *command); + +/** + * Prints row, then a hex dump of the command followed by the text + * representation of the commands, as given by cmdPrint_mnemonic to + * stdout. + * + * @param command Pointer to the DVD command to be printed. */ +void cmdPrint_CMD(int row, vm_cmd_t *command); + +#ifdef __cplusplus +}; +#endif +#endif /* CMD_PRINT_H_INCLUDED */ diff --git a/libdvdread/dvd_input.c b/libdvdread/dvd_input.c new file mode 100644 index 0000000000..35359821bd --- /dev/null +++ b/libdvdread/dvd_input.c @@ -0,0 +1,414 @@ +/* -*- c-basic-offset: 2; indent-tabs-mode: nil -*- */ +/* + * Copyright (C) 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. + */ + +#include "config.h" + +#include +#include +#define __USE_GNU /* to get O_DIRECT in linux */ +#include +#include + +#include "dvd_reader.h" +#include "dvd_input.h" + +#include "dvdread_internal.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); +/** + * pointer must be aligned to 2048 bytes + * if reading from a raw/O_DIRECT file + */ +int (*dvdinput_read) (dvd_input_t, void *, int, int); + +char * (*dvdinput_error) (dvd_input_t); + +#ifdef HAVE_DVDCSS_DVDCSS_H +/* linking to libdvdcss */ +#include +#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) { + /* malloc has set errno to ENOMEM */ + return NULL; + } + + /* Really open it with libdvdcss */ + dev->dvdcss = DVDcss_open(target); + if(dev->dvdcss == 0) { + free(dev); + dev = 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; +} + +/* Need to use O_BINARY for WIN32 */ +#ifndef O_BINARY +#ifdef _O_BINARY +#define O_BINARY _O_BINARY +#else +#define O_BINARY 0 +#endif +#endif + +/** + * initialize and open a DVD device or file. + */ +static dvd_input_t file_open(const char *target) +{ + dvd_input_t dev; + char *use_odirect; + int oflags; + + oflags = O_RDONLY | O_BINARY; + use_odirect = getenv("DVDREAD_USE_DIRECT"); + if(use_odirect) { +#ifndef O_DIRECT +#define O_DIRECT 0 +#endif + oflags |= O_DIRECT; + } + /* Allocate the library structure */ + dev = (dvd_input_t) malloc(sizeof(struct dvd_input_s)); + if(dev == NULL) { + return NULL; + } + + /* Open the device */ + dev->fd = open(target, oflags); + if(dev->fd < 0) { + 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 = (off_t)blocks * (off_t)DVD_VIDEO_LB_LEN; + + pos = lseek(dev->fd, pos, 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; + unsigned char *buf = buffer; + + len = (size_t)blocks * DVD_VIDEO_LB_LEN; + + while(len > 0) { + + ret = read(dev->fd, buf, 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); + } + + buf+=ret; + 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; +} + + +static void *dvdcss_library = NULL; +static int dvdcss_library_init = 0; + +/** + * Free any objects allocated by dvdinput_setup. + * Should only be called when libdvdread is not to be used any more. + * Closes dlopened libraries. + */ +void dvdinput_free(void) +{ +#ifdef HAVE_DVDCSS_DVDCSS_H + /* linked statically, nothing to free */ + return; +#else + if(dvdcss_library) { + dlclose(dvdcss_library); + dvdcss_library = NULL; + } + dvdcss_library_init = 0; + return; +#endif +} + + +/** + * Setup read functions with either libdvdcss or minimal DVD access. + */ +int dvdinput_setup(void) +{ + char **dvdcss_version = NULL; + int verbose; + + /* dlopening libdvdcss */ + if(dvdcss_library_init) { + /* libdvdcss is already dlopened, function ptrs set */ + if(dvdcss_library) { + return 1; /* css available */ + } else { + return 0; /* css not available */ + } + } + + verbose = get_verbose(); + +#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 + + 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")) { + if(verbose >= 0) { + 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) { + if(verbose >= 0) { + fprintf(stderr, "libdvdread: Missing symbols in libdvdcss.so.2, " + "this shouldn't happen !\n"); + } + dlclose(dvdcss_library); + dvdcss_library = NULL; + } + } +#endif /* HAVE_DVDCSS_DVDCSS_H */ + + dvdcss_library_init = 1; + + if(dvdcss_library) { + /* + 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); + */ + if(verbose >= 1) { + 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 { + if(verbose >= 1) { + 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..607619e2d0 --- /dev/null +++ b/libdvdread/dvd_input.h @@ -0,0 +1,55 @@ +/* -*- c-basic-offset: 2; indent-tabs-mode: nil -*- */ +#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); + +/** + * Free any objects allocated by dvdinput_setup. + * Should only be called when libdvdread is not to be used any more. + * Closes dlopened libraries. + */ +void dvdinput_free(void); + +/** + * 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..49140544e4 --- /dev/null +++ b/libdvdread/dvd_reader.c @@ -0,0 +1,1611 @@ +/* -*- c-basic-offset: 2; indent-tabs-mode: nil -*- */ +/* + * 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 + +#include "dvd_reader.h" +#include "dvd_input.h" +#include "dvd_udf.h" +#include "md5.h" + +#include "dvdread_internal.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; + + /* block aligned malloc */ + void *align; + + /* error message verbosity level */ + int verbose; +}; + +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; +}; + + +#define DVDREAD_VERBOSE_DEFAULT 0 + +int get_verbose(void) +{ + char *dvdread_verbose; + int verbose; + + dvdread_verbose = getenv("DVDREAD_VERBOSE"); + if(dvdread_verbose) { + verbose = (int)strtol(dvdread_verbose, NULL, 0); + } else { + verbose = DVDREAD_VERBOSE_DEFAULT; + } + return verbose; +} + +int dvdread_verbose(dvd_reader_t *dvd) +{ + return dvd->verbose; +} + +dvd_reader_t *device_of_file(dvd_file_t *file) +{ + return file->dvd; +} + +/** + * Returns the compiled version. (DVDREAD_VERSION as an int) + */ +int DVDVersion(void) +{ + return DVDREAD_VERSION; +} + + +/** + * 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; +} + +void *GetAlignHandle(dvd_reader_t *device) +{ + struct dvd_reader_s *dev = (struct dvd_reader_s *)device; + + return dev->align; +} + +void SetAlignHandle(dvd_reader_t *device, void *align) +{ + struct dvd_reader_s *dev = (struct dvd_reader_s *)device; + + dev->align = align; +} + + +/* 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; + + if(dvd->verbose >= 1) { + 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. */ + if(dvd->verbose >= 1) { + fprintf( stderr, "libdvdread: Get key for %s at 0x%08x\n", + filename, start ); + } + if( dvdinput_title( dvd->dev, (int)start ) < 0 ) { + if(dvd->verbose >= 0) { + fprintf( stderr, "libdvdread: Error cracking CSS key for %s (0x%08x)\n", filename, start); + } + } + gettimeofday( &t_e, NULL ); + if(dvd->verbose >= 1) { + 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. */ + if(dvd->verbose >= 1) { + fprintf( stderr, "libdvdread: Get key for %s at 0x%08x\n", + filename, start ); + } + if( dvdinput_title( dvd->dev, (int)start ) < 0 ) { + if(dvd->verbose >= 0) { + fprintf( stderr, "libdvdread: Error cracking CSS key for %s (0x%08x)!!\n", filename, start); + } + } + gettimeofday( &t_e, NULL ); + if(dvd->verbose >= 1) { + fprintf( stderr, "libdvdread: Elapsed time %ld\n", + (long int) t_e.tv_sec - t_s.tv_sec ); + } + } + title--; + + if(dvd->verbose >= 1) { + fprintf( stderr, "libdvdread: Found %d VTS's\n", title ); + } + gettimeofday(&all_e, NULL); + if(dvd->verbose >= 1) { + fprintf( stderr, "libdvdread: Elapsed time %ld\n", + (long int) all_e.tv_sec - all_s.tv_sec ); + } + return 0; +} + + + +/** + * Open a DVD image or block device file. + * Checks if the root directory in the udf image file can be found. + * If not it assumes this isn't a valid udf image and returns NULL + */ +static dvd_reader_t *DVDOpenImageFile( const char *location, int have_css ) +{ + dvd_reader_t *dvd; + dvd_input_t dev; + int verbose; + + verbose = get_verbose(); + + dev = dvdinput_open( location ); + if( !dev ) { + if(verbose >= 1) { + fprintf( stderr, "libdvdread: Can't open '%s' for reading: %s\n", + location, strerror(errno)); + } + return NULL; + } + + dvd = (dvd_reader_t *) malloc( sizeof( dvd_reader_t ) ); + if( !dvd ) { + int tmp_errno = errno; + dvdinput_close(dev); + errno = tmp_errno; + return NULL; + } + dvd->verbose = verbose; + dvd->isImageFile = 1; + dvd->dev = dev; + dvd->path_root = NULL; + + dvd->udfcache_level = DEFAULT_UDF_CACHE_LEVEL; + dvd->udfcache = NULL; + + dvd->align = 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; + + /* sanity check, is it a valid UDF image, can we find the root dir */ + if(!UDFFindFile(dvd, "/", NULL)) { + dvdinput_close(dvd->dev); + if(dvd->udfcache) { + FreeUDFCache(dvd, dvd->udfcache); + } + if(dvd->align) { + if(dvd->verbose >= 0) { + fprintf(stderr, "libdvdread: DVDOpenImageFile(): Memory leak in align functions 1\n"); + } + } + free(dvd); + return NULL; + } + 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 NULL; + } + dvd->verbose = get_verbose(); + dvd->isImageFile = 0; + dvd->dev = 0; + dvd->path_root = strdup( path_root ); + if(!dvd->path_root) { + free(dvd); + return 0; + } + dvd->udfcache_level = DEFAULT_UDF_CACHE_LEVEL; + dvd->udfcache = NULL; + + dvd->align = 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 + update: FreeBSD and DragonFly no longer uses the prefix so don't add it. + + 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) + + returns a string allocated with strdup which should be free()'d when + no longer used. +*/ +static char *bsd_block2char( const char *path ) +{ +#if defined(__FreeBSD__) || defined(__DragonFly__) + 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__ || __DragonFly__ */ +} +#endif + + +dvd_reader_t *DVDOpen( const char *path ) +{ + struct stat fileinfo; + int ret, have_css; + char *dev_name = NULL; + int internal_errno = 0; + int verbose; + + if( path == NULL ) { + errno = EINVAL; + return NULL; + } + + verbose = get_verbose(); + +#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 ) { + int tmp_errno = errno; + /* If we can't stat the file, give up */ + if(verbose >= 1) { + fprintf( stderr, "libdvdread: Can't stat '%s': %s\n", + path, strerror(errno)); + } + errno = tmp_errno; + return NULL; + } + } + + /* 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. + */ + dvd_reader_t *dvd = NULL; +#if defined(__sun) + dev_name = sun_block2char( path ); +#elif defined(SYS_BSD) + dev_name = bsd_block2char( path ); +#else + dev_name = strdup( path ); +#endif + dvd = DVDOpenImageFile( dev_name, have_css ); + free( dev_name ); + + return dvd; + } 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; + +#ifndef WIN32 /* don't have fchdir, and getcwd( NULL, ... ) is strange */ + /* Resolve any symlinks and get the absolut dir name. */ + { + char *new_path; + char *current_path; + + current_path = malloc(PATH_MAX); + if(current_path) { + if(!getcwd(current_path, PATH_MAX)) { + free(current_path); + current_path = NULL; + } + } + if(current_path) { + chdir( path_copy ); + new_path = malloc(PATH_MAX); + if(new_path) { + if(!getcwd(new_path, PATH_MAX )) { + free(new_path); + new_path = NULL; + } + } + + chdir(current_path); + free(current_path); + if( new_path ) { + free( path_copy ); + path_copy = new_path; + } + } + } +#endif + + /** + * 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(path_copy[0] == '\0') { + path_copy[0] = '/'; + path_copy[1] = '\0'; + } + } + } + +#if defined(SYS_BSD) + if( ( fe = getfsfile( path_copy ) ) ) { + dev_name = bsd_block2char( fe->fs_spec ); + if(verbose >= 1) { + fprintf( stderr, + "libdvdread: Attempting to use device %s" + " mounted on %s%s\n", + dev_name, + fe->fs_file, + have_css ? " for CSS authentication" : ""); + } + auth_drive = DVDOpenImageFile( dev_name, have_css ); + if(!auth_drive) { + internal_errno = errno; + } + } +#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 ); + if(verbose >= 1) { + fprintf( stderr, + "libdvdread: Attempting to use device %s" + " mounted on %s%s\n", + dev_name, + mp.mnt_mountp, + have_css ? " for CSS authentication" : ""); + } + auth_drive = DVDOpenImageFile( dev_name, have_css ); + if(!auth_drive) { + internal_errno = errno; + } + 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 ) ) { + if(verbose >= 1) { + fprintf( stderr, + "libdvdread: Attempting to use device %s" + " mounted on %s%s\n", + me->mnt_fsname, + me->mnt_dir, + have_css ? " for CSS authentication" : ""); + } + auth_drive = DVDOpenImageFile( me->mnt_fsname, have_css ); + if(!auth_drive) { + internal_errno = errno; + } + 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 ) { + if(verbose >= 1) { + fprintf( stderr, "libdvdread: Couldn't find device name.\n" ); + } + } else if( !auth_drive ) { + if(verbose >= 1) { + fprintf( stderr, "libdvdread: Device %s inaccessible%s: %s\n", + dev_name, + have_css ? ", CSS authentication not available" : "", + strerror(internal_errno)); + } + } + + 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. */ + if(verbose >= 1) { + 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, dvd->udfcache ); + if(dvd->align) { + if(dvd->verbose >= 0) { + fprintf(stderr, "libdvdread: DVDClose(): Memory leak in align functions\n"); + } + } + + free( dvd ); + } +} + +void DVDInit(void) +{ + dvdinput_setup(); +} + +void DVDFinish(void) +{ + dvdinput_free(); +} + +/** + * 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 ); + closedir(dir); + return 0; + } + } + closedir(dir); + 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 ) { + if(dvd->verbose >= 1) { + 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 ) { + if(dvd->verbose >= 1) { + 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 ) { + if(dvd->verbose >= 1) { + 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 ) { + errno = EINVAL; + 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: + if(dvd->verbose >= 1) { + fprintf( stderr, "libdvdread: Invalid domain for file open.\n" ); + } + errno = EINVAL; + 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; + } +} + +static int DVDFileStatVOBUDF(dvd_reader_t *dvd, int title, + int menu, dvd_stat_t *statbuf) +{ + char filename[ MAX_UDF_FILE_NAME_LEN ]; + uint32_t size; + off_t tot_size; + off_t parts_size[9]; + int nr_parts = 0; + int n; + + if( title == 0 ) { + sprintf( filename, "/VIDEO_TS/VIDEO_TS.VOB" ); + } else { + sprintf( filename, "/VIDEO_TS/VTS_%02d_%d.VOB", title, menu ? 0 : 1 ); + } + if(!UDFFindFile( dvd, filename, &size )) { + return -1; + } + tot_size = size; + nr_parts = 1; + parts_size[0] = size; + + if( !menu ) { + int cur; + + for( cur = 2; cur < 10; cur++ ) { + sprintf( filename, "/VIDEO_TS/VTS_%02d_%d.VOB", title, cur ); + if( !UDFFindFile( dvd, filename, &size ) ) { + break; + } + parts_size[nr_parts] = size; + tot_size += size; + nr_parts++; + } + } + + statbuf->size = tot_size; + statbuf->nr_parts = nr_parts; + for(n = 0; n < nr_parts; n++) { + statbuf->parts_size[n] = parts_size[n]; + } + return 0; +} + + +static int DVDFileStatVOBPath( dvd_reader_t *dvd, int title, + int menu, dvd_stat_t *statbuf ) +{ + char filename[ MAX_UDF_FILE_NAME_LEN ]; + char full_path[ PATH_MAX + 1 ]; + struct stat fileinfo; + off_t tot_size; + off_t parts_size[9]; + int nr_parts = 0; + int n; + + + + if( title == 0 ) { + sprintf( filename, "VIDEO_TS.VOB" ); + } else { + sprintf( filename, "VTS_%02d_%d.VOB", title, menu ? 0 : 1 ); + } + if( !findDVDFile( dvd, filename, full_path ) ) { + return -1; + } + + if( stat( full_path, &fileinfo ) < 0 ) { + if(dvd->verbose >= 1) { + fprintf( stderr, "libdvdread: Can't stat() %s.\n", filename ); + } + return -1; + } + + + tot_size = fileinfo.st_size; + nr_parts = 1; + parts_size[0] = fileinfo.st_size; + + if( !menu ) { + int cur; + + for( cur = 2; cur < 10; cur++ ) { + + sprintf( filename, "VTS_%02d_%d.VOB", title, cur ); + if( !findDVDFile( dvd, filename, full_path ) ) { + break; + } + + if( stat( full_path, &fileinfo ) < 0 ) { + if(dvd->verbose >= 1) { + fprintf( stderr, "libdvdread: Can't stat() %s.\n", filename ); + } + break; + } + + parts_size[nr_parts] = fileinfo.st_size; + tot_size += parts_size[nr_parts]; + nr_parts++; + } + } + + statbuf->size = tot_size; + statbuf->nr_parts = nr_parts; + for(n = 0; n < nr_parts; n++) { + statbuf->parts_size[n] = parts_size[n]; + } + return 0; +} + + +int DVDFileStat(dvd_reader_t *dvd, int titlenum, + dvd_read_domain_t domain, dvd_stat_t *statbuf) +{ + char filename[ MAX_UDF_FILE_NAME_LEN ]; + char full_path[ PATH_MAX + 1 ]; + struct stat fileinfo; + uint32_t size; + + /* Check arguments. */ + if( dvd == NULL || titlenum < 0 ) { + errno = EINVAL; + return -1; + } + + 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 DVDFileStatVOBUDF( dvd, titlenum, 1, statbuf ); + } else { + return DVDFileStatVOBPath( dvd, titlenum, 1, statbuf ); + } + break; + case DVD_READ_TITLE_VOBS: + if( titlenum == 0 ) { + return -1; + } + if( dvd->isImageFile ) { + return DVDFileStatVOBUDF( dvd, titlenum, 0, statbuf ); + } else { + return DVDFileStatVOBPath( dvd, titlenum, 0, statbuf ); + } + break; + default: + if(dvd->verbose >= 1) { + fprintf( stderr, "libdvdread: Invalid domain for file stat.\n" ); + } + errno = EINVAL; + return -1; + } + + if( dvd->isImageFile ) { + if( UDFFindFile( dvd, filename, &size ) ) { + statbuf->size = size; + statbuf->nr_parts = 1; + statbuf->parts_size[0] = size; + return 0; + } + } else { + if( findDVDFile( dvd, filename, full_path ) ) { + if( stat( full_path, &fileinfo ) < 0 ) { + if(dvd->verbose >= 1) { + fprintf( stderr, "libdvdread: Can't stat() %s.\n", filename ); + } + } else { + statbuf->size = fileinfo.st_size; + statbuf->nr_parts = 1; + statbuf->parts_size[0] = statbuf->size; + return 0; + } + } + } + return -1; +} + +/** + * Internal, but used from dvd_udf.c + * + * @param device A read handle. + * @param lb_number Logical block number to start read from. + * @param block_count Number of logical blocks to read. + * @param data Pointer to buffer where read data should be stored. + * This buffer must be large enough to hold lb_number*2048 bytes. + * The pointer must be aligned to the logical block size when + * reading from a raw/O_DIRECT device. + * @param encrypted 0 if no decryption shall be performed, + *