[MPlayer-cvslog] r24068 - in trunk/dvdread: cmd_print.c cmd_print.h
diego
subversion at mplayerhq.hu
Wed Aug 15 13:48:23 CEST 2007
Author: diego
Date: Wed Aug 15 13:48:23 2007
New Revision: 24068
Log:
1000l: Forgot to add new files, *sigh*.
Added:
trunk/dvdread/cmd_print.c
trunk/dvdread/cmd_print.h
Added: trunk/dvdread/cmd_print.c
==============================================================================
--- (empty file)
+++ trunk/dvdread/cmd_print.c Wed Aug 15 13:48:23 2007
@@ -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 <stdio.h>
+#include <ctype.h>
+
+#if defined(HAVE_INTTYPES_H)
+#include <inttypes.h>
+#elif defined(HAVE_STDINT_H)
+#include <stdint.h>
+#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");
+}
Added: trunk/dvdread/cmd_print.h
==============================================================================
--- (empty file)
+++ trunk/dvdread/cmd_print.h Wed Aug 15 13:48:23 2007
@@ -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 <dvdread/ifo_types.h>
+
+/**
+ * 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 */
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