MythTV: mobj_parse.h Source File

00001 /*
00002  * This file is part of libbluray
00003  * Copyright (C) 2010  hpi1
00004  *
00005  * This library is free software; you can redistribute it and/or
00006  * modify it under the terms of the GNU Lesser General Public
00007  * License as published by the Free Software Foundation; either
00008  * version 2.1 of the License, or (at your option) any later version.
00009  *
00010  * This library is distributed in the hope that it will be useful,
00011  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013  * Lesser General Public License for more details.
00014  *
00015  * You should have received a copy of the GNU Lesser General Public
00016  * License along with this library. If not, see
00017  * <http://www.gnu.org/licenses/>.
00018  */
00019 
00020 #if !defined(_MOBJ_PARSE_H_)
00021 #define _MOBJ_PARSE_H_
00022 
00023 #include <util/attributes.h>
00024 
00025 #include <stdint.h>
00026 
00027 typedef struct {
00028   uint8_t op_cnt     : 3;  /* operand count */
00029   uint8_t grp        : 2;  /* command group */
00030   uint8_t sub_grp    : 3;  /* command sub-group */
00031 
00032   uint8_t imm_op1    : 1;  /* I-flag for operand 1 */
00033   uint8_t imm_op2    : 1;  /* I-flag for operand 2 */
00034   uint8_t reserved1  : 2;
00035   uint8_t branch_opt : 4;  /* branch option */
00036 
00037   uint8_t reserved2  : 4;
00038   uint8_t cmp_opt    : 4;  /* compare option */
00039 
00040   uint8_t reserved3  : 3;
00041   uint8_t set_opt    : 5;  /* set option */
00042 } HDMV_INSN;
00043 
00044 typedef struct bd_mobj_cmd_s {
00045     HDMV_INSN insn;
00046     uint32_t  dst;
00047     uint32_t  src;
00048 } MOBJ_CMD;
00049 
00050 typedef struct {
00051     uint8_t     resume_intention_flag : 1;
00052     uint8_t     menu_call_mask        : 1;
00053     uint8_t     title_search_mask     : 1;
00054 
00055     uint16_t    num_cmds;
00056     MOBJ_CMD   *cmds;
00057 } MOBJ_OBJECT;
00058 
00059 typedef struct {
00060     uint16_t    num_objects;
00061     MOBJ_OBJECT objects[];
00062 } MOBJ_OBJECTS;
00063 
00064 
00065 BD_PRIVATE MOBJ_OBJECTS* mobj_parse(const char *path); /* parse MovieObject.bdmv */
00066 BD_PRIVATE void          mobj_parse_cmd(uint8_t *buf, MOBJ_CMD *cmd);
00067 BD_PRIVATE void          mobj_free(MOBJ_OBJECTS **index);
00068 
00069 BD_PRIVATE int mobj_sprint_cmd(char *buf, MOBJ_CMD *cmd); /* print MOBJ_CMD to string. buf is expected to be 256 bytes. */
00070 
00071 #endif // _MOBJ_PARSE_H_