diff options
Diffstat (limited to 'dvdread/nav_read.c')
-rw-r--r-- | dvdread/nav_read.c | 331 |
1 files changed, 0 insertions, 331 deletions
diff --git a/dvdread/nav_read.c b/dvdread/nav_read.c deleted file mode 100644 index 9ba685bdca..0000000000 --- a/dvdread/nav_read.c +++ /dev/null @@ -1,331 +0,0 @@ -/* -*- c-basic-offset: 2; indent-tabs-mode: nil -*- */ -/* - * Copyright (C) 2000, 2001, 2002, 2003 Håkan Hjort <d95hjort@dtek.chalmers.se> - * - * 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 <string.h> -#if defined(HAVE_INTTYPES_H) -#include <inttypes.h> -#elif defined(HAVE_STDINT_H) -#include <stdint.h> -#endif - -#include "bswap.h" -#include "nav_types.h" -#include "nav_read.h" -#include "dvdread_internal.h" - -typedef struct { - uint8_t *start; - uint32_t byte_position; - uint32_t bit_position; - uint8_t byte; -} getbits_state_t; - -static int getbits_init(getbits_state_t *state, uint8_t *start) { - if ((state == NULL) || (start == NULL)) return 0; - state->start = start; - state->bit_position = 0; - state->byte_position = 0; - state->byte = start[0]; - return 1; -} - -/* Non-optimized getbits. */ -/* This can easily be optimized for particular platforms. */ -static uint32_t getbits(getbits_state_t *state, uint32_t number_of_bits) { - uint32_t result=0; - uint8_t byte=0; - if (number_of_bits > 32) { - printf("Number of bits > 32 in getbits\n"); - abort(); - } - - if ((state->bit_position) > 0) { /* Last getbits left us in the middle of a byte. */ - if (number_of_bits > (8-state->bit_position)) { /* this getbits will span 2 or more bytes. */ - byte = state->byte; - byte = byte >> (state->bit_position); - result = byte; - number_of_bits -= (8-state->bit_position); - state->bit_position = 0; - state->byte_position++; - state->byte = state->start[state->byte_position]; - } else { - byte=state->byte; - state->byte = state->byte << number_of_bits; - byte = byte >> (8 - number_of_bits); - result = byte; - state->bit_position += number_of_bits; /* Here it is impossible for bit_position > 8 */ - if (state->bit_position == 8) { - state->bit_position = 0; - state->byte_position++; - state->byte = state->start[state->byte_position]; - } - number_of_bits = 0; - } - } - if ((state->bit_position) == 0) { - while (number_of_bits > 7) { - result = (result << 8) + state->byte; - state->byte_position++; - state->byte = state->start[state->byte_position]; - number_of_bits -= 8; - } - if (number_of_bits > 0) { /* number_of_bits < 8 */ - byte = state->byte; - state->byte = state->byte << number_of_bits; - state->bit_position += number_of_bits; /* Here it is impossible for bit_position > 7 */ - byte = byte >> (8 - number_of_bits); - result = (result << number_of_bits) + byte; - number_of_bits = 0; - } - } - - return result; -} - - -void navRead_PCI(pci_t *pci, unsigned char *buffer) { - int i, j; - getbits_state_t state; - if (!getbits_init(&state, buffer)) abort(); /* Passed NULL pointers */ - - /* pci pci_gi */ - pci->pci_gi.nv_pck_lbn = getbits(&state, 32 ); - pci->pci_gi.vobu_cat = getbits(&state, 16 ); - pci->pci_gi.zero1 = getbits(&state, 16 ); - pci->pci_gi.vobu_uop_ctl.zero = getbits(&state, 7 ); - pci->pci_gi.vobu_uop_ctl.video_pres_mode_change = getbits(&state, 1 ); - - pci->pci_gi.vobu_uop_ctl.karaoke_audio_pres_mode_change = getbits(&state, 1 ); - pci->pci_gi.vobu_uop_ctl.angle_change = getbits(&state, 1 ); - pci->pci_gi.vobu_uop_ctl.subpic_stream_change = getbits(&state, 1 ); - pci->pci_gi.vobu_uop_ctl.audio_stream_change = getbits(&state, 1 ); - pci->pci_gi.vobu_uop_ctl.pause_on = getbits(&state, 1 ); - pci->pci_gi.vobu_uop_ctl.still_off = getbits(&state, 1 ); - pci->pci_gi.vobu_uop_ctl.button_select_or_activate = getbits(&state, 1 ); - pci->pci_gi.vobu_uop_ctl.resume = getbits(&state, 1 ); - - pci->pci_gi.vobu_uop_ctl.chapter_menu_call = getbits(&state, 1 ); - pci->pci_gi.vobu_uop_ctl.angle_menu_call = getbits(&state, 1 ); - pci->pci_gi.vobu_uop_ctl.audio_menu_call = getbits(&state, 1 ); - pci->pci_gi.vobu_uop_ctl.subpic_menu_call = getbits(&state, 1 ); - pci->pci_gi.vobu_uop_ctl.root_menu_call = getbits(&state, 1 ); - pci->pci_gi.vobu_uop_ctl.title_menu_call = getbits(&state, 1 ); - pci->pci_gi.vobu_uop_ctl.backward_scan = getbits(&state, 1 ); - pci->pci_gi.vobu_uop_ctl.forward_scan = getbits(&state, 1 ); - - pci->pci_gi.vobu_uop_ctl.next_pg_search = getbits(&state, 1 ); - pci->pci_gi.vobu_uop_ctl.prev_or_top_pg_search = getbits(&state, 1 ); - pci->pci_gi.vobu_uop_ctl.time_or_chapter_search = getbits(&state, 1 ); - pci->pci_gi.vobu_uop_ctl.go_up = getbits(&state, 1 ); - pci->pci_gi.vobu_uop_ctl.stop = getbits(&state, 1 ); - pci->pci_gi.vobu_uop_ctl.title_play = getbits(&state, 1 ); - pci->pci_gi.vobu_uop_ctl.chapter_search_or_play = getbits(&state, 1 ); - pci->pci_gi.vobu_uop_ctl.title_or_time_play = getbits(&state, 1 ); - pci->pci_gi.vobu_s_ptm = getbits(&state, 32 ); - pci->pci_gi.vobu_e_ptm = getbits(&state, 32 ); - pci->pci_gi.vobu_se_e_ptm = getbits(&state, 32 ); - pci->pci_gi.e_eltm.hour = getbits(&state, 8 ); - pci->pci_gi.e_eltm.minute = getbits(&state, 8 ); - pci->pci_gi.e_eltm.second = getbits(&state, 8 ); - pci->pci_gi.e_eltm.frame_u = getbits(&state, 8 ); - for(i = 0; i < 32; i++) - pci->pci_gi.vobu_isrc[i] = getbits(&state, 8 ); - - /* pci nsml_agli */ - for(i = 0; i < 9; i++) - pci->nsml_agli.nsml_agl_dsta[i] = getbits(&state, 32 ); - - /* pci hli hli_gi */ - pci->hli.hl_gi.hli_ss = getbits(&state, 16 ); - pci->hli.hl_gi.hli_s_ptm = getbits(&state, 32 ); - pci->hli.hl_gi.hli_e_ptm = getbits(&state, 32 ); - pci->hli.hl_gi.btn_se_e_ptm = getbits(&state, 32 ); - pci->hli.hl_gi.zero1 = getbits(&state, 2 ); - pci->hli.hl_gi.btngr_ns = getbits(&state, 2 ); - pci->hli.hl_gi.zero2 = getbits(&state, 1 ); - pci->hli.hl_gi.btngr1_dsp_ty = getbits(&state, 3 ); - pci->hli.hl_gi.zero3 = getbits(&state, 1 ); - pci->hli.hl_gi.btngr2_dsp_ty = getbits(&state, 3 ); - pci->hli.hl_gi.zero4 = getbits(&state, 1 ); - pci->hli.hl_gi.btngr3_dsp_ty = getbits(&state, 3 ); - pci->hli.hl_gi.btn_ofn = getbits(&state, 8 ); - pci->hli.hl_gi.btn_ns = getbits(&state, 8 ); - pci->hli.hl_gi.nsl_btn_ns = getbits(&state, 8 ); - pci->hli.hl_gi.zero5 = getbits(&state, 8 ); - pci->hli.hl_gi.fosl_btnn = getbits(&state, 8 ); - pci->hli.hl_gi.foac_btnn = getbits(&state, 8 ); - - /* pci hli btn_colit */ - for(i = 0; i < 3; i++) - for(j = 0; j < 2; j++) - pci->hli.btn_colit.btn_coli[i][j] = getbits(&state, 32 ); - - /* pci hli btni */ - for(i = 0; i < 36; i++) { - pci->hli.btnit[i].btn_coln = getbits(&state, 2 ); - pci->hli.btnit[i].x_start = getbits(&state, 10 ); - pci->hli.btnit[i].zero1 = getbits(&state, 2 ); - pci->hli.btnit[i].x_end = getbits(&state, 10 ); - - pci->hli.btnit[i].auto_action_mode = getbits(&state, 2 ); - pci->hli.btnit[i].y_start = getbits(&state, 10 ); - pci->hli.btnit[i].zero2 = getbits(&state, 2 ); - pci->hli.btnit[i].y_end = getbits(&state, 10 ); - - pci->hli.btnit[i].zero3 = getbits(&state, 2 ); - pci->hli.btnit[i].up = getbits(&state, 6 ); - pci->hli.btnit[i].zero4 = getbits(&state, 2 ); - pci->hli.btnit[i].down = getbits(&state, 6 ); - pci->hli.btnit[i].zero5 = getbits(&state, 2 ); - pci->hli.btnit[i].left = getbits(&state, 6 ); - pci->hli.btnit[i].zero6 = getbits(&state, 2 ); - pci->hli.btnit[i].right = getbits(&state, 6 ); - /* pci vm_cmd */ - for(j = 0; j < 8; j++) - pci->hli.btnit[i].cmd.bytes[j] = getbits(&state, 8 ); - } - - -#ifndef NDEBUG - /* Asserts */ - - /* pci pci gi */ - CHECK_VALUE(pci->pci_gi.zero1 == 0); - - /* pci hli hli_gi */ - CHECK_VALUE(pci->hli.hl_gi.zero1 == 0); - CHECK_VALUE(pci->hli.hl_gi.zero2 == 0); - CHECK_VALUE(pci->hli.hl_gi.zero3 == 0); - CHECK_VALUE(pci->hli.hl_gi.zero4 == 0); - CHECK_VALUE(pci->hli.hl_gi.zero5 == 0); - - /* Are there buttons defined here? */ - if((pci->hli.hl_gi.hli_ss & 0x03) != 0) { - CHECK_VALUE(pci->hli.hl_gi.btn_ns != 0); - CHECK_VALUE(pci->hli.hl_gi.btngr_ns != 0); - } else { - CHECK_VALUE((pci->hli.hl_gi.btn_ns != 0 && pci->hli.hl_gi.btngr_ns != 0) - || (pci->hli.hl_gi.btn_ns == 0 && pci->hli.hl_gi.btngr_ns == 0)); - } - - /* pci hli btnit */ - for(i = 0; i < pci->hli.hl_gi.btngr_ns; i++) { - for(j = 0; j < (36 / pci->hli.hl_gi.btngr_ns); j++) { - int n = (36 / pci->hli.hl_gi.btngr_ns) * i + j; - CHECK_VALUE(pci->hli.btnit[n].zero1 == 0); - CHECK_VALUE(pci->hli.btnit[n].zero2 == 0); - CHECK_VALUE(pci->hli.btnit[n].zero3 == 0); - CHECK_VALUE(pci->hli.btnit[n].zero4 == 0); - CHECK_VALUE(pci->hli.btnit[n].zero5 == 0); - CHECK_VALUE(pci->hli.btnit[n].zero6 == 0); - - if (j < pci->hli.hl_gi.btn_ns) { - CHECK_VALUE(pci->hli.btnit[n].x_start <= pci->hli.btnit[n].x_end); - CHECK_VALUE(pci->hli.btnit[n].y_start <= pci->hli.btnit[n].y_end); - CHECK_VALUE(pci->hli.btnit[n].up <= pci->hli.hl_gi.btn_ns); - CHECK_VALUE(pci->hli.btnit[n].down <= pci->hli.hl_gi.btn_ns); - CHECK_VALUE(pci->hli.btnit[n].left <= pci->hli.hl_gi.btn_ns); - CHECK_VALUE(pci->hli.btnit[n].right <= pci->hli.hl_gi.btn_ns); - //vmcmd_verify(pci->hli.btnit[n].cmd); - } else { - int k; - CHECK_VALUE(pci->hli.btnit[n].btn_coln == 0); - CHECK_VALUE(pci->hli.btnit[n].auto_action_mode == 0); - CHECK_VALUE(pci->hli.btnit[n].x_start == 0); - CHECK_VALUE(pci->hli.btnit[n].y_start == 0); - CHECK_VALUE(pci->hli.btnit[n].x_end == 0); - CHECK_VALUE(pci->hli.btnit[n].y_end == 0); - CHECK_VALUE(pci->hli.btnit[n].up == 0); - CHECK_VALUE(pci->hli.btnit[n].down == 0); - CHECK_VALUE(pci->hli.btnit[n].left == 0); - CHECK_VALUE(pci->hli.btnit[n].right == 0); - for (k = 0; k < 8; k++) - CHECK_VALUE(pci->hli.btnit[n].cmd.bytes[k] == 0); //CHECK_ZERO? - } - } - } -#endif /* !NDEBUG */ -} - -void navRead_DSI(dsi_t *dsi, unsigned char *buffer) { - int i; - getbits_state_t state; - if (!getbits_init(&state, buffer)) abort(); /* Passed NULL pointers */ - - /* dsi dsi gi */ - dsi->dsi_gi.nv_pck_scr = getbits(&state, 32 ); - dsi->dsi_gi.nv_pck_lbn = getbits(&state, 32 ); - dsi->dsi_gi.vobu_ea = getbits(&state, 32 ); - dsi->dsi_gi.vobu_1stref_ea = getbits(&state, 32 ); - dsi->dsi_gi.vobu_2ndref_ea = getbits(&state, 32 ); - dsi->dsi_gi.vobu_3rdref_ea = getbits(&state, 32 ); - dsi->dsi_gi.vobu_vob_idn = getbits(&state, 16 ); - dsi->dsi_gi.zero1 = getbits(&state, 8 ); - dsi->dsi_gi.vobu_c_idn = getbits(&state, 8 ); - dsi->dsi_gi.c_eltm.hour = getbits(&state, 8 ); - dsi->dsi_gi.c_eltm.minute = getbits(&state, 8 ); - dsi->dsi_gi.c_eltm.second = getbits(&state, 8 ); - dsi->dsi_gi.c_eltm.frame_u = getbits(&state, 8 ); - - /* dsi sml pbi */ - dsi->sml_pbi.category = getbits(&state, 16 ); - dsi->sml_pbi.ilvu_ea = getbits(&state, 32 ); - dsi->sml_pbi.ilvu_sa = getbits(&state, 32 ); - dsi->sml_pbi.size = getbits(&state, 16 ); - dsi->sml_pbi.vob_v_s_s_ptm = getbits(&state, 32 ); - dsi->sml_pbi.vob_v_e_e_ptm = getbits(&state, 32 ); - for(i = 0; i < 8; i++) { - dsi->sml_pbi.vob_a[i].stp_ptm1 = getbits(&state, 32 ); - dsi->sml_pbi.vob_a[i].stp_ptm2 = getbits(&state, 32 ); - dsi->sml_pbi.vob_a[i].gap_len1 = getbits(&state, 32 ); - dsi->sml_pbi.vob_a[i].gap_len2 = getbits(&state, 32 ); - } - - /* dsi sml agli */ - for(i = 0; i < 9; i++) { - dsi->sml_agli.data[ i ].address = getbits(&state, 32 ); - dsi->sml_agli.data[ i ].size = getbits(&state, 16 ); - } - - /* dsi vobu sri */ - dsi->vobu_sri.next_video = getbits(&state, 32 ); - for(i = 0; i < 19; i++) - dsi->vobu_sri.fwda[i] = getbits(&state, 32 ); - dsi->vobu_sri.next_vobu = getbits(&state, 32 ); - dsi->vobu_sri.prev_vobu = getbits(&state, 32 ); - for(i = 0; i < 19; i++) - dsi->vobu_sri.bwda[i] = getbits(&state, 32 ); - dsi->vobu_sri.prev_video = getbits(&state, 32 ); - - /* dsi synci */ - for(i = 0; i < 8; i++) - dsi->synci.a_synca[i] = getbits(&state, 16 ); - for(i = 0; i < 32; i++) - dsi->synci.sp_synca[i] = getbits(&state, 32 ); - - - /* Asserts */ - - /* dsi dsi gi */ - CHECK_VALUE(dsi->dsi_gi.zero1 == 0); -} - |