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k9copy/libdvdnav/decoder.c

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/*
* Copyright (C) 2000, 2001 Martin Norbäck, Håkan Hjort
* 2002-2004 the dvdnav project
*
* This file is part of libdvdnav, a DVD navigation library. It is modified
* from a file originally part of the Ogle DVD player.
*
* libdvdnav is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* libdvdnav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*
* $Id: decoder.c,v 1.14 2004/03/16 11:43:38 mroi Exp $
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "common.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h> /* For memset */
#include "dvdnav_internal.h"
uint32_t vm_getbits(command_t *command, int32_t start, int32_t count) {
uint64_t result = 0;
uint64_t bit_mask = 0;
uint64_t examining = 0;
int32_t bits;
if (count == 0) return 0;
if ( ((start - count) < -1) ||
(count > 32) ||
(start > 63) ||
(count < 0) ||
(start < 0) ) {
fprintf(MSG_OUT, "libdvdnav: Bad call to vm_getbits. Parameter out of range\n");
abort();
}
/* all ones, please */
bit_mask = ~bit_mask;
bit_mask >>= 63 - start;
bits = start + 1 - count;
examining = ((bit_mask >> bits) << bits );
command->examined |= examining;
result = (command->instruction & bit_mask) >> bits;
return (uint32_t) result;
}
static uint16_t get_GPRM(registers_t* registers, uint8_t reg) {
if (registers->GPRM_mode[reg] & 0x01) {
struct timeval current_time, time_offset;
uint16_t result;
/* Counter mode */
/* fprintf(MSG_OUT, "libdvdnav: Getting counter %d\n",reg);*/
gettimeofday(&current_time, NULL);
time_offset.tv_sec = current_time.tv_sec - registers->GPRM_time[reg].tv_sec;
time_offset.tv_usec = current_time.tv_usec - registers->GPRM_time[reg].tv_usec;
if (time_offset.tv_usec < 0) {
time_offset.tv_sec--;
time_offset.tv_usec += 1000000;
}
result = (uint16_t) (time_offset.tv_sec & 0xffff);
registers->GPRM[reg]=result;
return result;
} else {
/* Register mode */
return registers->GPRM[reg];
}
}
static void set_GPRM(registers_t* registers, uint8_t reg, uint16_t value) {
if (registers->GPRM_mode[reg] & 0x01) {
struct timeval current_time;
/* Counter mode */
/* fprintf(MSG_OUT, "libdvdnav: Setting counter %d\n",reg); */
gettimeofday(&current_time, NULL);
registers->GPRM_time[reg] = current_time;
registers->GPRM_time[reg].tv_sec -= value;
}
registers->GPRM[reg] = value;
}
/* Eval register code, can either be system or general register.
SXXX_XXXX, where S is 1 if it is system register. */
static uint16_t eval_reg(command_t* command, uint8_t reg) {
if(reg & 0x80) {
if ((reg & 0x1f) == 20) {
fprintf(MSG_OUT, "libdvdnav: Suspected RCE Region Protection!!!\n");
}
return command->registers->SPRM[reg & 0x1f]; /* FIXME max 24 not 32 */
} else {
return get_GPRM(command->registers, reg & 0x0f) ;
}
}
/* Eval register or immediate data.
AAAA_AAAA BBBB_BBBB, if immediate use all 16 bits for data else use
lower eight bits for the system or general purpose register. */
static uint16_t eval_reg_or_data(command_t* command, int32_t imm, int32_t start) {
if(imm) { /* immediate */
return vm_getbits(command, start, 16);
} else {
return eval_reg(command, vm_getbits(command, (start - 8), 8));
}
}
/* Eval register or immediate data.
xBBB_BBBB, if immediate use all 7 bits for data else use
lower four bits for the general purpose register number. */
/* Evaluates gprm or data depending on bit, data is in byte n */
static uint16_t eval_reg_or_data_2(command_t* command,
int32_t imm, int32_t start) {
if(imm) /* immediate */
return vm_getbits(command, (start - 1), 7);
else
return get_GPRM(command->registers, (vm_getbits(command, (start - 4), 4)) );
}
/* Compare data using operation, return result from comparison.
Helper function for the different if functions. */
static int32_t eval_compare(uint8_t operation, uint16_t data1, uint16_t data2) {
switch(operation) {
case 1:
return data1 & data2;
case 2:
return data1 == data2;
case 3:
return data1 != data2;
case 4:
return data1 >= data2;
case 5:
return data1 > data2;
case 6:
return data1 <= data2;
case 7:
return data1 < data2;
}
fprintf(MSG_OUT, "libdvdnav: eval_compare: Invalid comparison code\n");
return 0;
}
/* Evaluate if version 1.
Has comparison data in byte 3 and 4-5 (immediate or register) */
static int32_t eval_if_version_1(command_t* command) {
uint8_t op = vm_getbits(command, 54, 3);
if(op) {
return eval_compare(op, eval_reg(command, vm_getbits(command, 39, 8)),
eval_reg_or_data(command, vm_getbits(command, 55, 1), 31));
}
return 1;
}
/* Evaluate if version 2.
This version only compares register which are in byte 6 and 7 */
static int32_t eval_if_version_2(command_t* command) {
uint8_t op = vm_getbits(command, 54, 3);
if(op) {
return eval_compare(op, eval_reg(command, vm_getbits(command, 15, 8)),
eval_reg(command, vm_getbits(command, 7, 8)));
}
return 1;
}
/* Evaluate if version 3.
Has comparison data in byte 2 and 6-7 (immediate or register) */
static int32_t eval_if_version_3(command_t* command) {
uint8_t op = vm_getbits(command, 54, 3);
if(op) {
return eval_compare(op, eval_reg(command, vm_getbits(command, 47, 8)),
eval_reg_or_data(command, vm_getbits(command, 55, 1), 15));
}
return 1;
}
/* Evaluate if version 4.
Has comparison data in byte 1 and 4-5 (immediate or register)
The register in byte 1 is only the lowe nibble (4 bits) */
static int32_t eval_if_version_4(command_t* command) {
uint8_t op = vm_getbits(command, 54, 3);
if(op) {
return eval_compare(op, eval_reg(command, vm_getbits(command, 51, 4)),
eval_reg_or_data(command, vm_getbits(command, 55, 1), 31));
}
return 1;
}
/* Evaluate special instruction.... returns the new row/line number,
0 if no new row and 256 if Break. */
static int32_t eval_special_instruction(command_t* command, int32_t cond) {
int32_t line, level;
switch(vm_getbits(command, 51, 4)) {
case 0: /* NOP */
line = 0;
return cond ? line : 0;
case 1: /* Goto line */
line = vm_getbits(command, 7, 8);
return cond ? line : 0;
case 2: /* Break */
/* max number of rows < 256, so we will end this set */
line = 256;
return cond ? 256 : 0;
case 3: /* Set temporary parental level and goto */
line = vm_getbits(command, 7, 8);
level = vm_getbits(command, 11, 4);
if(cond) {
/* This always succeeds now, if we want real parental protection */
/* we need to ask the user and have passwords and stuff. */
command->registers->SPRM[13] = level;
}
return cond ? line : 0;
}
return 0;
}
/* Evaluate link by subinstruction.
Return 1 if link, or 0 if no link
Actual link instruction is in return_values parameter */
static int32_t eval_link_subins(command_t* command, int32_t cond, link_t *return_values) {
uint16_t button = vm_getbits(command, 15, 6);
uint8_t linkop = vm_getbits(command, 4, 5);
if(linkop > 0x10)
return 0; /* Unknown Link by Sub-Instruction command */
/* Assumes that the link_cmd_t enum has the same values as the LinkSIns codes */
return_values->command = linkop;
return_values->data1 = button;
return cond;
}
/* Evaluate link instruction.
Return 1 if link, or 0 if no link
Actual link instruction is in return_values parameter */
static int32_t eval_link_instruction(command_t* command, int32_t cond, link_t *return_values) {
uint8_t op = vm_getbits(command, 51, 4);
switch(op) {
case 1:
return eval_link_subins(command, cond, return_values);
case 4:
return_values->command = LinkPGCN;
return_values->data1 = vm_getbits(command, 14, 15);
return cond;
case 5:
return_values->command = LinkPTTN;
return_values->data1 = vm_getbits(command, 9, 10);
return_values->data2 = vm_getbits(command, 15, 6);
return cond;
case 6:
return_values->command = LinkPGN;
return_values->data1 = vm_getbits(command, 6, 7);
return_values->data2 = vm_getbits(command, 15, 6);
return cond;
case 7:
return_values->command = LinkCN;
return_values->data1 = vm_getbits(command, 7, 8);
return_values->data2 = vm_getbits(command, 15, 6);
return cond;
}
return 0;
}
/* Evaluate a jump instruction.
returns 1 if jump or 0 if no jump
actual jump instruction is in return_values parameter */
static int32_t eval_jump_instruction(command_t* command, int32_t cond, link_t *return_values) {
switch(vm_getbits(command, 51, 4)) {
case 1:
return_values->command = Exit;
return cond;
case 2:
return_values->command = JumpTT;
return_values->data1 = vm_getbits(command, 22, 7);
return cond;
case 3:
return_values->command = JumpVTS_TT;
return_values->data1 = vm_getbits(command, 22, 7);
return cond;
case 5:
return_values->command = JumpVTS_PTT;
return_values->data1 = vm_getbits(command, 22, 7);
return_values->data2 = vm_getbits(command, 41, 10);
return cond;
case 6:
switch(vm_getbits(command, 23, 2)) {
case 0:
return_values->command = JumpSS_FP;
return cond;
case 1:
return_values->command = JumpSS_VMGM_MENU;
return_values->data1 = vm_getbits(command, 19, 4);
return cond;
case 2:
return_values->command = JumpSS_VTSM;
return_values->data1 = vm_getbits(command, 31, 8);
return_values->data2 = vm_getbits(command, 39, 8);
return_values->data3 = vm_getbits(command, 19, 4);
return cond;
case 3:
return_values->command = JumpSS_VMGM_PGC;
return_values->data1 = vm_getbits(command, 46, 15);
return cond;
}
break;
case 8:
switch(vm_getbits(command, 23, 2)) {
case 0:
return_values->command = CallSS_FP;
return_values->data1 = vm_getbits(command, 31, 8);
return cond;
case 1:
return_values->command = CallSS_VMGM_MENU;
return_values->data1 = vm_getbits(command, 19, 4);
return_values->data2 = vm_getbits(command, 31, 8);
return cond;
case 2:
return_values->command = CallSS_VTSM;
return_values->data1 = vm_getbits(command, 19, 4);
return_values->data2 = vm_getbits(command, 31, 8);
return cond;
case 3:
return_values->command = CallSS_VMGM_PGC;
return_values->data1 = vm_getbits(command, 46, 15);
return_values->data2 = vm_getbits(command, 31, 8);
return cond;
}
break;
}
return 0;
}
/* Evaluate a set sytem register instruction
May contain a link so return the same as eval_link */
static int32_t eval_system_set(command_t* command, int32_t cond, link_t *return_values) {
int32_t i;
uint16_t data, data2;
switch(vm_getbits(command, 59, 4)) {
case 1: /* Set system reg 1 &| 2 &| 3 (Audio, Subp. Angle) */
for(i = 1; i <= 3; i++) {
if(vm_getbits(command, 63 - ((2 + i)*8), 1)) {
data = eval_reg_or_data_2(command, vm_getbits(command, 60, 1), (47 - (i*8)));
if(cond) {
command->registers->SPRM[i] = data;
}
}
}
break;
case 2: /* Set system reg 9 & 10 (Navigation timer, Title PGC number) */
data = eval_reg_or_data(command, vm_getbits(command, 60, 1), 47);
data2 = vm_getbits(command, 23, 8); /* ?? size */
if(cond) {
command->registers->SPRM[9] = data; /* time */
command->registers->SPRM[10] = data2; /* pgcN */
}
break;
case 3: /* Mode: Counter / Register + Set */
data = eval_reg_or_data(command, vm_getbits(command, 60, 1), 47);
data2 = vm_getbits(command, 19, 4);
if(vm_getbits(command, 23, 1)) {
command->registers->GPRM_mode[data2] |= 1; /* Set bit 0 */
} else {
command->registers->GPRM_mode[data2] &= ~ 0x01; /* Reset bit 0 */
}
if(cond) {
set_GPRM(command->registers, data2, data);
}
break;
case 6: /* Set system reg 8 (Highlighted button) */
data = eval_reg_or_data(command, vm_getbits(command, 60, 1), 31); /* Not system reg!! */
if(cond) {
command->registers->SPRM[8] = data;
}
break;
}
if(vm_getbits(command, 51, 4)) {
return eval_link_instruction(command, cond, return_values);
}
return 0;
}
/* Evaluate set operation
Sets the register given to the value indicated by op and data.
For the swap case the contents of reg is stored in reg2.
*/
static void eval_set_op(command_t* command, int32_t op, int32_t reg, int32_t reg2, int32_t data) {
const int32_t shortmax = 0xffff;
int32_t tmp;
switch(op) {
case 1:
set_GPRM(command->registers, reg, data);
break;
case 2: /* SPECIAL CASE - SWAP! */
set_GPRM(command->registers, reg2, get_GPRM(command->registers, reg));
set_GPRM(command->registers, reg, data);
break;
case 3:
tmp = get_GPRM(command->registers, reg) + data;
if(tmp > shortmax) tmp = shortmax;
set_GPRM(command->registers, reg, (uint16_t)tmp);
break;
case 4:
tmp = get_GPRM(command->registers, reg) - data;
if(tmp < 0) tmp = 0;
set_GPRM(command->registers, reg, (uint16_t)tmp);
break;
case 5:
tmp = get_GPRM(command->registers, reg) * data;
if(tmp > shortmax) tmp = shortmax;
set_GPRM(command->registers, reg, (uint16_t)tmp);
break;
case 6:
if (data != 0) {
set_GPRM(command->registers, reg, (get_GPRM(command->registers, reg) / data) );
} else {
set_GPRM(command->registers, reg, 0xffff); /* Avoid that divide by zero! */
}
break;
case 7:
if (data != 0) {
set_GPRM(command->registers, reg, (get_GPRM(command->registers, reg) % data) );
} else {
set_GPRM(command->registers, reg, 0xffff); /* Avoid that divide by zero! */
}
break;
case 8: /* SPECIAL CASE - RND! Return numbers between 1 and data. */
set_GPRM(command->registers, reg, 1 + ((uint16_t) ((float) data * rand()/(RAND_MAX+1.0))) );
break;
case 9:
set_GPRM(command->registers, reg, (get_GPRM(command->registers, reg) & data) );
break;
case 10:
set_GPRM(command->registers, reg, (get_GPRM(command->registers, reg) | data) );
break;
case 11:
set_GPRM(command->registers, reg, (get_GPRM(command->registers, reg) ^ data) );
break;
}
}
/* Evaluate set instruction, combined with either Link or Compare. */
static void eval_set_version_1(command_t* command, int32_t cond) {
uint8_t op = vm_getbits(command, 59, 4);
uint8_t reg = vm_getbits(command, 35, 4); /* FIXME: This is different from vmcmd.c!!! */
uint8_t reg2 = vm_getbits(command, 19, 4);
uint16_t data = eval_reg_or_data(command, vm_getbits(command, 60, 1), 31);
if(cond) {
eval_set_op(command, op, reg, reg2, data);
}
}
/* Evaluate set instruction, combined with both Link and Compare. */
static void eval_set_version_2(command_t* command, int32_t cond) {
uint8_t op = vm_getbits(command, 59, 4);
uint8_t reg = vm_getbits(command, 51, 4);
uint8_t reg2 = vm_getbits(command, 35, 4); /* FIXME: This is different from vmcmd.c!!! */
uint16_t data = eval_reg_or_data(command, vm_getbits(command, 60, 1), 47);
if(cond) {
eval_set_op(command, op, reg, reg2, data);
}
}
/* Evaluate a command
returns row number of goto, 0 if no goto, -1 if link.
Link command in return_values */
static int32_t eval_command(uint8_t *bytes, registers_t* registers, link_t *return_values) {
int32_t cond, res = 0;
command_t command;
command.instruction =( (uint64_t) bytes[0] << 56 ) |
( (uint64_t) bytes[1] << 48 ) |
( (uint64_t) bytes[2] << 40 ) |
( (uint64_t) bytes[3] << 32 ) |
( (uint64_t) bytes[4] << 24 ) |
( (uint64_t) bytes[5] << 16 ) |
( (uint64_t) bytes[6] << 8 ) |
(uint64_t) bytes[7] ;
command.examined = 0;
command.registers = registers;
memset(return_values, 0, sizeof(link_t));
switch(vm_getbits(&command, 63, 3)) { /* three first old_bits */
case 0: /* Special instructions */
cond = eval_if_version_1(&command);
res = eval_special_instruction(&command, cond);
if(res == -1) {
fprintf(MSG_OUT, "libdvdnav: Unknown Instruction!\n");
abort();
}
break;
case 1: /* Link/jump instructions */
if(vm_getbits(&command, 60, 1)) {
cond = eval_if_version_2(&command);
res = eval_jump_instruction(&command, cond, return_values);
} else {
cond = eval_if_version_1(&command);
res = eval_link_instruction(&command, cond, return_values);
}
if(res)
res = -1;
break;
case 2: /* System set instructions */
cond = eval_if_version_2(&command);
res = eval_system_set(&command, cond, return_values);
if(res)
res = -1;
break;
case 3: /* Set instructions, either Compare or Link may be used */
cond = eval_if_version_3(&command);
eval_set_version_1(&command, cond);
if(vm_getbits(&command, 51, 4)) {
res = eval_link_instruction(&command, cond, return_values);
}
if(res)
res = -1;
break;
case 4: /* Set, Compare -> Link Sub-Instruction */
eval_set_version_2(&command, /*True*/ 1);
cond = eval_if_version_4(&command);
res = eval_link_subins(&command, cond, return_values);
if(res)
res = -1;
break;
case 5: /* Compare -> (Set and Link Sub-Instruction) */
/* FIXME: These are wrong. Need to be updated from vmcmd.c */
cond = eval_if_version_4(&command);
eval_set_version_2(&command, cond);
res = eval_link_subins(&command, cond, return_values);
if(res)
res = -1;
break;
case 6: /* Compare -> Set, allways Link Sub-Instruction */
/* FIXME: These are wrong. Need to be updated from vmcmd.c */
cond = eval_if_version_4(&command);
eval_set_version_2(&command, cond);
res = eval_link_subins(&command, /*True*/ 1, return_values);
if(res)
res = -1;
break;
default: /* Unknown command */
fprintf(MSG_OUT, "libdvdnav: WARNING: Unknown Command=%x\n", vm_getbits(&command, 63, 3));
abort();
}
/* Check if there are bits not yet examined */
if(command.instruction & ~ command.examined) {
fprintf(MSG_OUT, "libdvdnav: decoder.c: [WARNING, unknown bits:");
fprintf(MSG_OUT, " %08llx", (command.instruction & ~ command.examined) );
fprintf(MSG_OUT, "]\n");
}
return res;
}
/* Evaluate a set of commands in the given register set (which is modified) */
int32_t vmEval_CMD(vm_cmd_t commands[], int32_t num_commands,
registers_t *registers, link_t *return_values) {
int32_t i = 0;
int32_t total = 0;
#ifdef TRACE
/* DEBUG */
fprintf(MSG_OUT, "libdvdnav: Registers before transaction\n");
vm_print_registers( registers );
fprintf(MSG_OUT, "libdvdnav: Full list of commands to execute\n");
for(i = 0; i < num_commands; i++)
vm_print_cmd(i, &commands[i]);
fprintf(MSG_OUT, "libdvdnav: --------------------------------------------\n");
fprintf(MSG_OUT, "libdvdnav: Single stepping commands\n");
#endif
i = 0;
while(i < num_commands && total < 100000) {
int32_t line;
#ifdef TRACE
vm_print_cmd(i, &commands[i]);
#endif
line = eval_command(&commands[i].bytes[0], registers, return_values);
if (line < 0) { /* Link command */
#ifdef TRACE
fprintf(MSG_OUT, "libdvdnav: Registers after transaction\n");
vm_print_registers( registers );
fprintf(MSG_OUT, "libdvdnav: eval: Doing Link/Jump/Call\n");
#endif
return 1;
}
if (line > 0) /* Goto command */
i = line - 1;
else /* Just continue on the next line */
i++;
total++;
}
memset(return_values, 0, sizeof(link_t));
#ifdef TRACE
fprintf(MSG_OUT, "libdvdnav: Registers after transaction\n");
vm_print_registers( registers );
#endif
return 0;
}
#ifdef TRACE
static char *linkcmd2str(link_cmd_t cmd) {
switch(cmd) {
case LinkNoLink:
return "LinkNoLink";
case LinkTopC:
return "LinkTopC";
case LinkNextC:
return "LinkNextC";
case LinkPrevC:
return "LinkPrevC";
case LinkTopPG:
return "LinkTopPG";
case LinkNextPG:
return "LinkNextPG";
case LinkPrevPG:
return "LinkPrevPG";
case LinkTopPGC:
return "LinkTopPGC";
case LinkNextPGC:
return "LinkNextPGC";
case LinkPrevPGC:
return "LinkPrevPGC";
case LinkGoUpPGC:
return "LinkGoUpPGC";
case LinkTailPGC:
return "LinkTailPGC";
case LinkRSM:
return "LinkRSM";
case LinkPGCN:
return "LinkPGCN";
case LinkPTTN:
return "LinkPTTN";
case LinkPGN:
return "LinkPGN";
case LinkCN:
return "LinkCN";
case Exit:
return "Exit";
case JumpTT:
return "JumpTT";
case JumpVTS_TT:
return "JumpVTS_TT";
case JumpVTS_PTT:
return "JumpVTS_PTT";
case JumpSS_FP:
return "JumpSS_FP";
case JumpSS_VMGM_MENU:
return "JumpSS_VMGM_MENU";
case JumpSS_VTSM:
return "JumpSS_VTSM";
case JumpSS_VMGM_PGC:
return "JumpSS_VMGM_PGC";
case CallSS_FP:
return "CallSS_FP";
case CallSS_VMGM_MENU:
return "CallSS_VMGM_MENU";
case CallSS_VTSM:
return "CallSS_VTSM";
case CallSS_VMGM_PGC:
return "CallSS_VMGM_PGC";
case PlayThis:
return "PlayThis";
}
return "*** (bug)";
}
void vm_print_link(link_t value) {
char *cmd = linkcmd2str(value.command);
switch(value.command) {
case LinkNoLink:
case LinkTopC:
case LinkNextC:
case LinkPrevC:
case LinkTopPG:
case LinkNextPG:
case LinkPrevPG:
case LinkTopPGC:
case LinkNextPGC:
case LinkPrevPGC:
case LinkGoUpPGC:
case LinkTailPGC:
case LinkRSM:
fprintf(MSG_OUT, "libdvdnav: %s (button %d)\n", cmd, value.data1);
break;
case LinkPGCN:
case JumpTT:
case JumpVTS_TT:
case JumpSS_VMGM_MENU: /* == 2 -> Title Menu */
case JumpSS_VMGM_PGC:
fprintf(MSG_OUT, "libdvdnav: %s %d\n", cmd, value.data1);
break;
case LinkPTTN:
case LinkPGN:
case LinkCN:
fprintf(MSG_OUT, "libdvdnav: %s %d (button %d)\n", cmd, value.data1, value.data2);
break;
case Exit:
case JumpSS_FP:
case PlayThis: /* Humm.. should we have this at all.. */
fprintf(MSG_OUT, "libdvdnav: %s\n", cmd);
break;
case JumpVTS_PTT:
fprintf(MSG_OUT, "libdvdnav: %s %d:%d\n", cmd, value.data1, value.data2);
break;
case JumpSS_VTSM:
fprintf(MSG_OUT, "libdvdnav: %s vts %d title %d menu %d\n",
cmd, value.data1, value.data2, value.data3);
break;
case CallSS_FP:
fprintf(MSG_OUT, "libdvdnav: %s resume cell %d\n", cmd, value.data1);
break;
case CallSS_VMGM_MENU: /* == 2 -> Title Menu */
case CallSS_VTSM:
fprintf(MSG_OUT, "libdvdnav: %s %d resume cell %d\n", cmd, value.data1, value.data2);
break;
case CallSS_VMGM_PGC:
fprintf(MSG_OUT, "libdvdnav: %s %d resume cell %d\n", cmd, value.data1, value.data2);
break;
}
}
void vm_print_registers( registers_t *registers ) {
int32_t i;
fprintf(MSG_OUT, "libdvdnav: # ");
for(i = 0; i < 24; i++)
fprintf(MSG_OUT, " %2d |", i);
fprintf(MSG_OUT, "\nlibdvdnav: SRPMS: ");
for(i = 0; i < 24; i++)
fprintf(MSG_OUT, "%04x|", registers->SPRM[i]);
fprintf(MSG_OUT, "\nlibdvdnav: GRPMS: ");
for(i = 0; i < 16; i++)
fprintf(MSG_OUT, "%04x|", get_GPRM(registers, i) );
fprintf(MSG_OUT, "\nlibdvdnav: Gmode: ");
for(i = 0; i < 16; i++)
fprintf(MSG_OUT, "%04x|", registers->GPRM_mode[i]);
fprintf(MSG_OUT, "\nlibdvdnav: Gtime: ");
for(i = 0; i < 16; i++)
fprintf(MSG_OUT, "%04lx|", registers->GPRM_time[i].tv_sec & 0xffff);
fprintf(MSG_OUT, "\n");
}
#endif
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