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Diffstat (limited to 'libdvdread/nav_types.h')
| -rw-r--r-- | libdvdread/nav_types.h | 311 |
1 files changed, 311 insertions, 0 deletions
diff --git a/libdvdread/nav_types.h b/libdvdread/nav_types.h new file mode 100644 index 0000000000..8800e7f894 --- /dev/null +++ b/libdvdread/nav_types.h @@ -0,0 +1,311 @@ +#ifndef NAV_TYPES_H_INCLUDED +#define NAV_TYPES_H_INCLUDED + +/* + * Copyright (C) 2000, 2001, 2002 Håkan Hjort <d95hjort@dtek.chalmers.se> + * + * Modified for use with MPlayer, changes contained in libdvdread_changes.diff. + * detailed changelog at http://svn.mplayerhq.hu/mplayer/trunk/ + * $Id$ + * + * 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 <eric@brouhaha.com> + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + */ + +#include <inttypes.h> +#include "ifo_types.h" /* only dvd_time_t, vm_cmd_t and user_ops_t */ + + +#undef ATTRIBUTE_PACKED +#undef PRAGMA_PACK_BEGIN +#undef PRAGMA_PACK_END + +#if defined(__GNUC__) +#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95) +#define ATTRIBUTE_PACKED __attribute__ ((packed)) +#define PRAGMA_PACK 0 +#endif +#endif + +#if !defined(ATTRIBUTE_PACKED) +#define ATTRIBUTE_PACKED +#define PRAGMA_PACK 1 +#endif + + +/* 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 + + +#if PRAGMA_PACK +#pragma pack(1) +#endif + + +/** + * 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]; +} ATTRIBUTE_PACKED pci_gi_t; + +/** + * Non Seamless Angle Information + */ +typedef struct { + uint32_t nsml_agl_dsta[9]; /**< address of destination vobu in AGL_C#n */ +} ATTRIBUTE_PACKED 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 */ +#ifdef WORDS_BIGENDIAN + 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 */ +#else + unsigned int btngr1_dsp_ty : 3; + unsigned int zero2 : 1; + unsigned int btngr_ns : 2; + unsigned int zero1 : 2; + unsigned int btngr3_dsp_ty : 3; + unsigned int zero4 : 1; + unsigned int btngr2_dsp_ty : 3; + unsigned int zero3 : 1; +#endif + 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) */ +} ATTRIBUTE_PACKED 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] */ +} ATTRIBUTE_PACKED 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 { +#ifdef WORDS_BIGENDIAN + 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 zero3 : 2; /**< reserved */ + unsigned int up : 6; /**< button index when pressing up */ + + 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 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 */ +#else + unsigned int x_end : 10; + unsigned int zero1 : 2; + unsigned int x_start : 10; + unsigned int btn_coln : 2; + + unsigned int up : 6; + unsigned int zero3 : 2; + + unsigned int y_end : 10; + unsigned int zero2 : 2; + unsigned int y_start : 10; + unsigned int auto_action_mode : 2; + + unsigned int down : 6; + unsigned int zero4 : 2; + unsigned int left : 6; + unsigned int zero5 : 2; + unsigned int right : 6; + unsigned int zero6 : 2; +#endif + vm_cmd_t cmd; +} ATTRIBUTE_PACKED btni_t; + +/** + * Highlight Information + */ +typedef struct { + hl_gi_t hl_gi; + btn_colit_t btn_colit; + btni_t btnit[36]; +} ATTRIBUTE_PACKED hli_t; + +/** + * PCI packet + */ +typedef struct { + pci_gi_t pci_gi; + nsml_agli_t nsml_agli; + hli_t hli; + uint8_t zero1[189]; +} ATTRIBUTE_PACKED 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 */ +} ATTRIBUTE_PACKED 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]; +} ATTRIBUTE_PACKED sml_pbi_t; + +/** + * Seamless Angle Infromation 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 */ +} ATTRIBUTE_PACKED sml_agl_data_t; + +/** + * Seamless Angle Infromation + */ +typedef struct { + sml_agl_data_t data[9]; +} ATTRIBUTE_PACKED 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; +} ATTRIBUTE_PACKED 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 */ +} ATTRIBUTE_PACKED 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]; +} ATTRIBUTE_PACKED dsi_t; + + +#if PRAGMA_PACK +#pragma pack() +#endif + +#endif /* NAV_TYPES_H_INCLUDED */ |