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-rw-r--r--libdvdnav/decoder.c777
1 files changed, 777 insertions, 0 deletions
diff --git a/libdvdnav/decoder.c b/libdvdnav/decoder.c
new file mode 100644
index 0000000..1c21f60
--- /dev/null
+++ b/libdvdnav/decoder.c
@@ -0,0 +1,777 @@
+/*
+ * Copyright (C) 2000, 2001 Martin Norb�k, H�an 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
+
generated by cgit v1.2.1 (git 2.18.0) at 2025-01-18 00:42:57 +0000