/* * Copyright (C) 2000, 2001, 2002 Håkan Hjort * * The data structures in this file should represent the layout of the * pci and dsi packets as they are stored in the stream. Information * found by reading the source to VOBDUMP is the base for the structure * and names of these data types. * * VOBDUMP: a program for examining DVD .VOB files. * Copyright 1998, 1999 Eric Smith * * VOBDUMP is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. Note that I am not * granting permission to redistribute or modify VOBDUMP under the terms * of any later version of the General Public License. * * This program is distributed in the hope that it will be useful (or at * least amusing), 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. */ /* The length including the substream id byte. */ #define PCI_BYTES 0x3d4 #define DSI_BYTES 0x3fa #define PS2_PCI_SUBSTREAM_ID 0x00 #define PS2_DSI_SUBSTREAM_ID 0x01 /* Remove this */ #define DSI_START_BYTE 1031 /** * PCI General Information */ typedef struct { uint32_t nv_pck_lbn; /**< sector address of this nav pack */ uint16_t vobu_cat; /**< 'category' of vobu */ uint16_t zero1; /**< reserved */ user_ops_t vobu_uop_ctl; /**< UOP of vobu */ uint32_t vobu_s_ptm; /**< start presentation time of vobu */ uint32_t vobu_e_ptm; /**< end presentation time of vobu */ uint32_t vobu_se_e_ptm; /**< end ptm of sequence end in vobu */ dvd_time_t e_eltm; /**< Cell elapsed time */ char vobu_isrc[32]; } pci_gi_t; /** * Non Seamless Angle Information */ typedef struct { uint32_t nsml_agl_dsta[9]; /**< address of destination vobu in AGL_C#n */ } nsml_agli_t; /** * Highlight General Information * * For btngrX_dsp_ty the bits have the following meaning: * 000b: normal 4/3 only buttons * XX1b: wide (16/9) buttons * X1Xb: letterbox buttons * 1XXb: pan&scan buttons */ typedef struct { uint16_t hli_ss; /**< status, only low 2 bits 0: no buttons, 1: different 2: equal 3: eual except for button cmds */ uint32_t hli_s_ptm; /**< start ptm of hli */ uint32_t hli_e_ptm; /**< end ptm of hli */ uint32_t btn_se_e_ptm; /**< end ptm of button select */ unsigned int zero1 : 2; /**< reserved */ unsigned int btngr_ns : 2; /**< number of button groups 1, 2 or 3 with 36/18/12 buttons */ unsigned int zero2 : 1; /**< reserved */ unsigned int btngr1_dsp_ty : 3; /**< display type of subpic stream for button group 1 */ unsigned int zero3 : 1; /**< reserved */ unsigned int btngr2_dsp_ty : 3; /**< display type of subpic stream for button group 2 */ unsigned int zero4 : 1; /**< reserved */ unsigned int btngr3_dsp_ty : 3; /**< display type of subpic stream for button group 3 */ uint8_t btn_ofn; /**< button offset number range 0-255 */ uint8_t btn_ns; /**< number of valid buttons <= 36/18/12 (low 6 bits) */ uint8_t nsl_btn_ns; /**< number of buttons selectable by U_BTNNi (low 6 bits) nsl_btn_ns <= btn_ns */ uint8_t zero5; /**< reserved */ uint8_t fosl_btnn; /**< forcedly selected button (low 6 bits) */ uint8_t foac_btnn; /**< forcedly activated button (low 6 bits) */ } hl_gi_t; /** * Button Color Information Table * Each entry beeing a 32bit word that contains the color indexs and alpha * values to use. They are all represented by 4 bit number and stored * like this [Ci3, Ci2, Ci1, Ci0, A3, A2, A1, A0]. The actual palette * that the indexes reference is in the PGC. * @TODO split the uint32_t into a struct */ typedef struct { uint32_t btn_coli[3][2]; /**< [button color number-1][select:0/action:1] */ } btn_colit_t; /** * Button Information * * NOTE: I've had to change the structure from the disk layout to get * the packing to work with Sun's Forte C compiler. * The 4 and 7 bytes are 'rotated' was: ABC DEF GHIJ is: ABCG DEFH IJ */ typedef struct { unsigned int btn_coln : 2; /**< button color number */ unsigned int x_start : 10; /**< x start offset within the overlay */ unsigned int zero1 : 2; /**< reserved */ unsigned int x_end : 10; /**< x end offset within the overlay */ unsigned int auto_action_mode : 2; /**< 0: no, 1: activated if selected */ unsigned int y_start : 10; /**< y start offset within the overlay */ unsigned int zero2 : 2; /**< reserved */ unsigned int y_end : 10; /**< y end offset within the overlay */ unsigned int zero3 : 2; /**< reserved */ unsigned int up : 6; /**< button index when pressing up */ unsigned int zero4 : 2; /**< reserved */ unsigned int down : 6; /**< button index when pressing down */ unsigned int zero5 : 2; /**< reserved */ unsigned int left : 6; /**< button index when pressing left */ unsigned int zero6 : 2; /**< reserved */ unsigned int right : 6; /**< button index when pressing right */ vm_cmd_t cmd; } btni_t; /** * Highlight Information */ typedef struct { hl_gi_t hl_gi; btn_colit_t btn_colit; btni_t btnit[36]; } hli_t; /** * PCI packet */ typedef struct { pci_gi_t pci_gi; nsml_agli_t nsml_agli; hli_t hli; uint8_t zero1[189]; } pci_t; /** * DSI General Information */ typedef struct { uint32_t nv_pck_scr; uint32_t nv_pck_lbn; /**< sector address of this nav pack */ uint32_t vobu_ea; /**< end address of this VOBU */ uint32_t vobu_1stref_ea; /**< end address of the 1st reference image */ uint32_t vobu_2ndref_ea; /**< end address of the 2nd reference image */ uint32_t vobu_3rdref_ea; /**< end address of the 3rd reference image */ uint16_t vobu_vob_idn; /**< VOB Id number that this VOBU is part of */ uint8_t zero1; /**< reserved */ uint8_t vobu_c_idn; /**< Cell Id number that this VOBU is part of */ dvd_time_t c_eltm; /**< Cell elapsed time */ } dsi_gi_t; /** * Seamless Playback Information */ typedef struct { uint16_t category; /**< 'category' of seamless VOBU */ uint32_t ilvu_ea; /**< end address of interleaved Unit */ uint32_t ilvu_sa; /**< start address of next interleaved unit */ uint16_t size; /**< size of next interleaved unit */ uint32_t vob_v_s_s_ptm; /**< video start ptm in vob */ uint32_t vob_v_e_e_ptm; /**< video end ptm in vob */ struct { uint32_t stp_ptm1; uint32_t stp_ptm2; uint32_t gap_len1; uint32_t gap_len2; } vob_a[8]; } sml_pbi_t; /** * Seamless Angle Information for one angle */ typedef struct { uint32_t address; /**< offset to next ILVU, high bit is before/after */ uint16_t size; /**< byte size of the ILVU pointed to by address */ } sml_agl_data_t; /** * Seamless Angle Information */ typedef struct { sml_agl_data_t data[9]; } sml_agli_t; /** * VOBU Search Information */ typedef struct { uint32_t next_video; /**< Next vobu that contains video */ uint32_t fwda[19]; /**< Forwards, time */ uint32_t next_vobu; uint32_t prev_vobu; uint32_t bwda[19]; /**< Backwards, time */ uint32_t prev_video; } vobu_sri_t; #define SRI_END_OF_CELL 0x3fffffff /** * Synchronous Information */ typedef struct { uint16_t a_synca[8]; /**< offset to first audio packet for this VOBU */ uint32_t sp_synca[32]; /**< offset to first subpicture packet */ } synci_t; /** * DSI packet */ typedef struct { dsi_gi_t dsi_gi; sml_pbi_t sml_pbi; sml_agli_t sml_agli; vobu_sri_t vobu_sri; synci_t synci; uint8_t zero1[471]; } dsi_t;