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MythTV
0.26-pre
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MythTV
0.26-pre
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00001 /* 00002 * Copyright (C) 2000, 2001, 2002, 2003 Håkan Hjort <d95hjort@dtek.chalmers.se> 00003 * 00004 * This file is part of libdvdread. 00005 * 00006 * libdvdread is free software; you can redistribute it and/or modify 00007 * it under the terms of the GNU General Public License as published by 00008 * the Free Software Foundation; either version 2 of the License, or 00009 * (at your option) any later version. 00010 * 00011 * libdvdread is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 * GNU General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU General Public License along 00017 * with libdvdread; if not, write to the Free Software Foundation, Inc., 00018 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 00019 */ 00020 00021 #include "config.h" 00022 00023 #include <stdio.h> 00024 #include <stdlib.h> 00025 #include <string.h> 00026 #include <inttypes.h> 00027 00028 #include "bswap.h" 00029 #include "dvdread/nav_types.h" 00030 #include "dvdread/nav_read.h" 00031 #include "dvdread_internal.h" 00032 #include "dvdread/bitreader.h" 00033 00034 #define getbits_init dvdread_getbits_init 00035 #define getbits dvdread_getbits 00036 00037 void navRead_PCI(pci_t *pci, unsigned char *buffer) { 00038 int32_t i, j; 00039 getbits_state_t state; 00040 if (!getbits_init(&state, buffer)) abort(); /* Passed NULL pointers */ 00041 00042 /* pci pci_gi */ 00043 pci->pci_gi.nv_pck_lbn = getbits(&state, 32 ); 00044 pci->pci_gi.vobu_cat = getbits(&state, 16 ); 00045 pci->pci_gi.zero1 = getbits(&state, 16 ); 00046 pci->pci_gi.vobu_uop_ctl.zero = getbits(&state, 7 ); 00047 pci->pci_gi.vobu_uop_ctl.video_pres_mode_change = getbits(&state, 1 ); 00048 00049 pci->pci_gi.vobu_uop_ctl.karaoke_audio_pres_mode_change = getbits(&state, 1 ); 00050 pci->pci_gi.vobu_uop_ctl.angle_change = getbits(&state, 1 ); 00051 pci->pci_gi.vobu_uop_ctl.subpic_stream_change = getbits(&state, 1 ); 00052 pci->pci_gi.vobu_uop_ctl.audio_stream_change = getbits(&state, 1 ); 00053 pci->pci_gi.vobu_uop_ctl.pause_on = getbits(&state, 1 ); 00054 pci->pci_gi.vobu_uop_ctl.still_off = getbits(&state, 1 ); 00055 pci->pci_gi.vobu_uop_ctl.button_select_or_activate = getbits(&state, 1 ); 00056 pci->pci_gi.vobu_uop_ctl.resume = getbits(&state, 1 ); 00057 00058 pci->pci_gi.vobu_uop_ctl.chapter_menu_call = getbits(&state, 1 ); 00059 pci->pci_gi.vobu_uop_ctl.angle_menu_call = getbits(&state, 1 ); 00060 pci->pci_gi.vobu_uop_ctl.audio_menu_call = getbits(&state, 1 ); 00061 pci->pci_gi.vobu_uop_ctl.subpic_menu_call = getbits(&state, 1 ); 00062 pci->pci_gi.vobu_uop_ctl.root_menu_call = getbits(&state, 1 ); 00063 pci->pci_gi.vobu_uop_ctl.title_menu_call = getbits(&state, 1 ); 00064 pci->pci_gi.vobu_uop_ctl.backward_scan = getbits(&state, 1 ); 00065 pci->pci_gi.vobu_uop_ctl.forward_scan = getbits(&state, 1 ); 00066 00067 pci->pci_gi.vobu_uop_ctl.next_pg_search = getbits(&state, 1 ); 00068 pci->pci_gi.vobu_uop_ctl.prev_or_top_pg_search = getbits(&state, 1 ); 00069 pci->pci_gi.vobu_uop_ctl.time_or_chapter_search = getbits(&state, 1 ); 00070 pci->pci_gi.vobu_uop_ctl.go_up = getbits(&state, 1 ); 00071 pci->pci_gi.vobu_uop_ctl.stop = getbits(&state, 1 ); 00072 pci->pci_gi.vobu_uop_ctl.title_play = getbits(&state, 1 ); 00073 pci->pci_gi.vobu_uop_ctl.chapter_search_or_play = getbits(&state, 1 ); 00074 pci->pci_gi.vobu_uop_ctl.title_or_time_play = getbits(&state, 1 ); 00075 pci->pci_gi.vobu_s_ptm = getbits(&state, 32 ); 00076 pci->pci_gi.vobu_e_ptm = getbits(&state, 32 ); 00077 pci->pci_gi.vobu_se_e_ptm = getbits(&state, 32 ); 00078 pci->pci_gi.e_eltm.hour = getbits(&state, 8 ); 00079 pci->pci_gi.e_eltm.minute = getbits(&state, 8 ); 00080 pci->pci_gi.e_eltm.second = getbits(&state, 8 ); 00081 pci->pci_gi.e_eltm.frame_u = getbits(&state, 8 ); 00082 for(i = 0; i < 32; i++) 00083 pci->pci_gi.vobu_isrc[i] = getbits(&state, 8 ); 00084 00085 /* pci nsml_agli */ 00086 for(i = 0; i < 9; i++) 00087 pci->nsml_agli.nsml_agl_dsta[i] = getbits(&state, 32 ); 00088 00089 /* pci hli hli_gi */ 00090 pci->hli.hl_gi.hli_ss = getbits(&state, 16 ); 00091 pci->hli.hl_gi.hli_s_ptm = getbits(&state, 32 ); 00092 pci->hli.hl_gi.hli_e_ptm = getbits(&state, 32 ); 00093 pci->hli.hl_gi.btn_se_e_ptm = getbits(&state, 32 ); 00094 pci->hli.hl_gi.zero1 = getbits(&state, 2 ); 00095 pci->hli.hl_gi.btngr_ns = getbits(&state, 2 ); 00096 pci->hli.hl_gi.zero2 = getbits(&state, 1 ); 00097 pci->hli.hl_gi.btngr1_dsp_ty = getbits(&state, 3 ); 00098 pci->hli.hl_gi.zero3 = getbits(&state, 1 ); 00099 pci->hli.hl_gi.btngr2_dsp_ty = getbits(&state, 3 ); 00100 pci->hli.hl_gi.zero4 = getbits(&state, 1 ); 00101 pci->hli.hl_gi.btngr3_dsp_ty = getbits(&state, 3 ); 00102 pci->hli.hl_gi.btn_ofn = getbits(&state, 8 ); 00103 pci->hli.hl_gi.btn_ns = getbits(&state, 8 ); 00104 pci->hli.hl_gi.nsl_btn_ns = getbits(&state, 8 ); 00105 pci->hli.hl_gi.zero5 = getbits(&state, 8 ); 00106 pci->hli.hl_gi.fosl_btnn = getbits(&state, 8 ); 00107 pci->hli.hl_gi.foac_btnn = getbits(&state, 8 ); 00108 00109 /* pci hli btn_colit */ 00110 for(i = 0; i < 3; i++) 00111 for(j = 0; j < 2; j++) 00112 pci->hli.btn_colit.btn_coli[i][j] = getbits(&state, 32 ); 00113 00114 /* NOTE: I've had to change the structure from the disk layout to get 00115 * the packing to work with Sun's Forte C compiler. */ 00116 00117 /* pci hli btni */ 00118 for(i = 0; i < 36; i++) { 00119 pci->hli.btnit[i].btn_coln = getbits(&state, 2 ); 00120 pci->hli.btnit[i].x_start = getbits(&state, 10 ); 00121 pci->hli.btnit[i].zero1 = getbits(&state, 2 ); 00122 pci->hli.btnit[i].x_end = getbits(&state, 10 ); 00123 00124 pci->hli.btnit[i].auto_action_mode = getbits(&state, 2 ); 00125 pci->hli.btnit[i].y_start = getbits(&state, 10 ); 00126 pci->hli.btnit[i].zero2 = getbits(&state, 2 ); 00127 pci->hli.btnit[i].y_end = getbits(&state, 10 ); 00128 00129 pci->hli.btnit[i].zero3 = getbits(&state, 2 ); 00130 pci->hli.btnit[i].up = getbits(&state, 6 ); 00131 pci->hli.btnit[i].zero4 = getbits(&state, 2 ); 00132 pci->hli.btnit[i].down = getbits(&state, 6 ); 00133 pci->hli.btnit[i].zero5 = getbits(&state, 2 ); 00134 pci->hli.btnit[i].left = getbits(&state, 6 ); 00135 pci->hli.btnit[i].zero6 = getbits(&state, 2 ); 00136 pci->hli.btnit[i].right = getbits(&state, 6 ); 00137 /* pci vm_cmd */ 00138 for(j = 0; j < 8; j++) 00139 pci->hli.btnit[i].cmd.bytes[j] = getbits(&state, 8 ); 00140 } 00141 00142 00143 #ifndef NDEBUG 00144 /* Asserts */ 00145 00146 /* pci pci gi */ 00147 CHECK_VALUE(pci->pci_gi.zero1 == 0); 00148 00149 /* pci hli hli_gi */ 00150 CHECK_VALUE(pci->hli.hl_gi.zero1 == 0); 00151 CHECK_VALUE(pci->hli.hl_gi.zero2 == 0); 00152 CHECK_VALUE(pci->hli.hl_gi.zero3 == 0); 00153 CHECK_VALUE(pci->hli.hl_gi.zero4 == 0); 00154 CHECK_VALUE(pci->hli.hl_gi.zero5 == 0); 00155 00156 /* Are there buttons defined here? */ 00157 if((pci->hli.hl_gi.hli_ss & 0x03) != 0) { 00158 CHECK_VALUE(pci->hli.hl_gi.btn_ns != 0); 00159 CHECK_VALUE(pci->hli.hl_gi.btngr_ns != 0); 00160 } else { 00161 CHECK_VALUE((pci->hli.hl_gi.btn_ns != 0 && pci->hli.hl_gi.btngr_ns != 0) 00162 || (pci->hli.hl_gi.btn_ns == 0 && pci->hli.hl_gi.btngr_ns == 0)); 00163 } 00164 00165 /* pci hli btnit */ 00166 for(i = 0; i < pci->hli.hl_gi.btngr_ns; i++) { 00167 for(j = 0; j < (36 / pci->hli.hl_gi.btngr_ns); j++) { 00168 int n = (36 / pci->hli.hl_gi.btngr_ns) * i + j; 00169 CHECK_VALUE(pci->hli.btnit[n].zero1 == 0); 00170 CHECK_VALUE(pci->hli.btnit[n].zero2 == 0); 00171 CHECK_VALUE(pci->hli.btnit[n].zero3 == 0); 00172 CHECK_VALUE(pci->hli.btnit[n].zero4 == 0); 00173 CHECK_VALUE(pci->hli.btnit[n].zero5 == 0); 00174 CHECK_VALUE(pci->hli.btnit[n].zero6 == 0); 00175 00176 if (j < pci->hli.hl_gi.btn_ns) { 00177 CHECK_VALUE(pci->hli.btnit[n].x_start <= pci->hli.btnit[n].x_end); 00178 CHECK_VALUE(pci->hli.btnit[n].y_start <= pci->hli.btnit[n].y_end); 00179 CHECK_VALUE(pci->hli.btnit[n].up <= pci->hli.hl_gi.btn_ns); 00180 CHECK_VALUE(pci->hli.btnit[n].down <= pci->hli.hl_gi.btn_ns); 00181 CHECK_VALUE(pci->hli.btnit[n].left <= pci->hli.hl_gi.btn_ns); 00182 CHECK_VALUE(pci->hli.btnit[n].right <= pci->hli.hl_gi.btn_ns); 00183 /* vmcmd_verify(pci->hli.btnit[n].cmd); */ 00184 } else { 00185 int k; 00186 CHECK_VALUE(pci->hli.btnit[n].btn_coln == 0); 00187 CHECK_VALUE(pci->hli.btnit[n].auto_action_mode == 0); 00188 CHECK_VALUE(pci->hli.btnit[n].x_start == 0); 00189 CHECK_VALUE(pci->hli.btnit[n].y_start == 0); 00190 CHECK_VALUE(pci->hli.btnit[n].x_end == 0); 00191 CHECK_VALUE(pci->hli.btnit[n].y_end == 0); 00192 CHECK_VALUE(pci->hli.btnit[n].up == 0); 00193 CHECK_VALUE(pci->hli.btnit[n].down == 0); 00194 CHECK_VALUE(pci->hli.btnit[n].left == 0); 00195 CHECK_VALUE(pci->hli.btnit[n].right == 0); 00196 for (k = 0; k < 8; k++) 00197 CHECK_VALUE(pci->hli.btnit[n].cmd.bytes[k] == 0); /* CHECK_ZERO? */ 00198 } 00199 } 00200 } 00201 #endif /* !NDEBUG */ 00202 } 00203 00204 void navRead_DSI(dsi_t *dsi, unsigned char *buffer) { 00205 int i; 00206 getbits_state_t state; 00207 if (!getbits_init(&state, buffer)) abort(); /* Passed NULL pointers */ 00208 00209 /* dsi dsi gi */ 00210 dsi->dsi_gi.nv_pck_scr = getbits(&state, 32 ); 00211 dsi->dsi_gi.nv_pck_lbn = getbits(&state, 32 ); 00212 dsi->dsi_gi.vobu_ea = getbits(&state, 32 ); 00213 dsi->dsi_gi.vobu_1stref_ea = getbits(&state, 32 ); 00214 dsi->dsi_gi.vobu_2ndref_ea = getbits(&state, 32 ); 00215 dsi->dsi_gi.vobu_3rdref_ea = getbits(&state, 32 ); 00216 dsi->dsi_gi.vobu_vob_idn = getbits(&state, 16 ); 00217 dsi->dsi_gi.zero1 = getbits(&state, 8 ); 00218 dsi->dsi_gi.vobu_c_idn = getbits(&state, 8 ); 00219 dsi->dsi_gi.c_eltm.hour = getbits(&state, 8 ); 00220 dsi->dsi_gi.c_eltm.minute = getbits(&state, 8 ); 00221 dsi->dsi_gi.c_eltm.second = getbits(&state, 8 ); 00222 dsi->dsi_gi.c_eltm.frame_u = getbits(&state, 8 ); 00223 00224 /* dsi sml pbi */ 00225 dsi->sml_pbi.category = getbits(&state, 16 ); 00226 dsi->sml_pbi.ilvu_ea = getbits(&state, 32 ); 00227 dsi->sml_pbi.ilvu_sa = getbits(&state, 32 ); 00228 dsi->sml_pbi.size = getbits(&state, 16 ); 00229 dsi->sml_pbi.vob_v_s_s_ptm = getbits(&state, 32 ); 00230 dsi->sml_pbi.vob_v_e_e_ptm = getbits(&state, 32 ); 00231 for(i = 0; i < 8; i++) { 00232 dsi->sml_pbi.vob_a[i].stp_ptm1 = getbits(&state, 32 ); 00233 dsi->sml_pbi.vob_a[i].stp_ptm2 = getbits(&state, 32 ); 00234 dsi->sml_pbi.vob_a[i].gap_len1 = getbits(&state, 32 ); 00235 dsi->sml_pbi.vob_a[i].gap_len2 = getbits(&state, 32 ); 00236 } 00237 00238 /* dsi sml agli */ 00239 for(i = 0; i < 9; i++) { 00240 dsi->sml_agli.data[ i ].address = getbits(&state, 32 ); 00241 dsi->sml_agli.data[ i ].size = getbits(&state, 16 ); 00242 } 00243 00244 /* dsi vobu sri */ 00245 dsi->vobu_sri.next_video = getbits(&state, 32 ); 00246 for(i = 0; i < 19; i++) 00247 dsi->vobu_sri.fwda[i] = getbits(&state, 32 ); 00248 dsi->vobu_sri.next_vobu = getbits(&state, 32 ); 00249 dsi->vobu_sri.prev_vobu = getbits(&state, 32 ); 00250 for(i = 0; i < 19; i++) 00251 dsi->vobu_sri.bwda[i] = getbits(&state, 32 ); 00252 dsi->vobu_sri.prev_video = getbits(&state, 32 ); 00253 00254 /* dsi synci */ 00255 for(i = 0; i < 8; i++) 00256 dsi->synci.a_synca[i] = getbits(&state, 16 ); 00257 for(i = 0; i < 32; i++) 00258 dsi->synci.sp_synca[i] = getbits(&state, 32 ); 00259 00260 00261 /* Asserts */ 00262 00263 /* dsi dsi gi */ 00264 CHECK_VALUE(dsi->dsi_gi.zero1 == 0); 00265 }
1.7.6.1
