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/*****************************************************************************
* common.h: common definitions
* Collection of useful common types and macros definitions
*****************************************************************************
* Copyright (C) 1998, 1999, 2000 VideoLAN
* $Id: common.h,v 1.53.2.2 2001/12/31 01:21:44 massiot Exp $
*
* Authors: Samuel Hocevar <sam@via.ecp.fr>
* Vincent Seguin <seguin@via.ecp.fr>
*
* 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, USA.
*****************************************************************************/
/*****************************************************************************
* Required headers
*****************************************************************************/
#include "config.h"
#include "int_types.h"
/*****************************************************************************
* Basic types definitions
*****************************************************************************/
typedef u8 byte_t;
/* Boolean type */
#ifdef BOOLEAN_T_IN_SYS_TYPES_H
# include <sys/types.h>
#elif defined(BOOLEAN_T_IN_PTHREAD_H)
# include <pthread.h>
#elif defined(BOOLEAN_T_IN_CTHREADS_H)
# include <cthreads.h>
#else
typedef int boolean_t;
#endif
#ifdef SYS_GNU
# define _MACH_I386_BOOLEAN_H_
#endif
/* ptrdiff_t definition */
#ifdef HAVE_STDDEF_H
# include <stddef.h>
#else
# include <malloc.h>
# ifndef _PTRDIFF_T
# define _PTRDIFF_T
/* Not portable in a 64-bit environment. */
typedef int ptrdiff_t;
# endif
#endif
/* Counter for statistics and profiling */
typedef unsigned long count_t;
/* DCT elements types */
typedef s16 dctelem_t;
/* Video buffer types */
typedef u8 yuv_data_t;
/*****************************************************************************
* mtime_t: high precision date or time interval
*****************************************************************************
* Store an high precision date or time interval. The maximum precision is the
* micro-second, and a 64 bits integer is used to avoid any overflow (maximum
* time interval is then 292271 years, which should be length enough for any
* video). Date are stored as a time interval since a common date.
* Note that date and time intervals can be manipulated using regular arithmetic
* operators, and that no special functions are required.
*****************************************************************************/
typedef s64 mtime_t;
/*****************************************************************************
* Classes declaration
*****************************************************************************/
/* Plugins */
struct plugin_bank_s;
struct plugin_info_s;
typedef struct plugin_bank_s * p_plugin_bank_t;
typedef struct plugin_info_s * p_plugin_info_t;
/* Plugins */
struct playlist_s;
struct playlist_item_s;
struct module_s;
typedef struct playlist_s * p_playlist_t;
typedef struct playlist_item_s * p_playlist_item_t;
/* Interface */
struct intf_thread_s;
struct intf_sys_s;
struct intf_console_s;
struct intf_msg_s;
struct intf_channel_s;
typedef struct intf_thread_s * p_intf_thread_t;
typedef struct intf_sys_s * p_intf_sys_t;
typedef struct intf_console_s * p_intf_console_t;
typedef struct intf_msg_s * p_intf_msg_t;
typedef struct intf_channel_s * p_intf_channel_t;
/* Input */
struct input_thread_s;
struct input_channel_s;
struct input_cfg_s;
typedef struct input_thread_s * p_input_thread_t;
typedef struct input_channel_s * p_input_channel_t;
typedef struct input_cfg_s * p_input_cfg_t;
/* Audio */
struct aout_thread_s;
struct aout_sys_s;
typedef struct aout_thread_s * p_aout_thread_t;
typedef struct aout_sys_s * p_aout_sys_t;
/* Video */
struct vout_thread_s;
struct vout_font_s;
struct vout_sys_s;
struct vdec_thread_s;
struct vpar_thread_s;
struct video_parser_s;
typedef struct vout_thread_s * p_vout_thread_t;
typedef struct vout_font_s * p_vout_font_t;
typedef struct vout_sys_s * p_vout_sys_t;
typedef struct vdec_thread_s * p_vdec_thread_t;
typedef struct vpar_thread_s * p_vpar_thread_t;
typedef struct video_parser_s * p_video_parser_t;
/* Misc */
struct macroblock_s;
struct data_packet_s;
struct es_descriptor_s;
struct pgrm_descriptor_s;
struct pes_packet_s;
struct input_area_s;
struct bit_stream_s;
/* Decoders */
struct decoder_config_s;
struct decoder_fifo_s;
/*****************************************************************************
* Macros and inline functions
*****************************************************************************/
#ifdef NTOHL_IN_SYS_PARAM_H
# include <sys/param.h>
#elif defined(WIN32)
# include "bytes_swap.h"
#else
# include <netinet/in.h>
#endif
/* CEIL: division with round to nearest greater integer */
#define CEIL(n, d) ( ((n) / (d)) + ( ((n) % (d)) ? 1 : 0) )
/* PAD: PAD(n, d) = CEIL(n ,d) * d */
#define PAD(n, d) ( ((n) % (d)) ? ((((n) / (d)) + 1) * (d)) : (n) )
/* MAX and MIN: self explanatory */
#ifndef MAX
# define MAX(a, b) ( ((a) > (b)) ? (a) : (b) )
#endif
#ifndef MIN
# define MIN(a, b) ( ((a) < (b)) ? (a) : (b) )
#endif
/* MSB (big endian)/LSB (little endian) conversions - network order is always
* MSB, and should be used for both network communications and files. Note that
* byte orders other than little and big endians are not supported, but only
* the VAX seems to have such exotic properties - note that these 'functions'
* needs <netinet/in.h> or the local equivalent. */
/* FIXME: hton64 should be declared as an extern inline function to avoid
* border effects (see byteorder.h) */
#if WORDS_BIGENDIAN
# define hton16 htons
# define hton32 htonl
# define hton64(i) ( i )
# define ntoh16 ntohs
# define ntoh32 ntohl
# define ntoh64(i) ( i )
#else
# define hton16 htons
# define hton32 htonl
# define hton64(i) ( ((u64)(htonl((i) & 0xffffffff)) << 32) | htonl(((i) >> 32) & 0xffffffff ) )
# define ntoh16 ntohs
# define ntoh32 ntohl
# define ntoh64 hton64
#endif
/* Macros with automatic casts */
#define U64_AT(p) ( ntoh64 ( *( (u64 *)(p) ) ) )
#define U32_AT(p) ( ntoh32 ( *( (u32 *)(p) ) ) )
#define U16_AT(p) ( ntoh16 ( *( (u16 *)(p) ) ) )
/* Alignment of critical static data structures */
#ifdef ATTRIBUTE_ALIGNED_MAX
# define ATTR_ALIGN(align) __attribute__ ((__aligned__ ((ATTRIBUTE_ALIGNED_MAX < align) ? ATTRIBUTE_ALIGNED_MAX : align)))
#else
# define ATTR_ALIGN(align)
#endif
/* Alignment of critical dynamic data structure */
#ifdef HAVE_MEMALIGN
/* Some systems have memalign() but no declaration for it */
void * memalign( size_t align, size_t size );
#else
# ifdef HAVE_VALLOC
/* That's like using a hammer to kill a fly, but eh... */
# include <unistd.h>
# define memalign(align,size) valloc(size)
# else
/* Assume malloc alignment is sufficient */
# define memalign(align,size) malloc(size)
# endif
#endif
#define I64C(x) x##LL
/* The win32 specific stuff was getting really big so it has been moved */
#if defined( WIN32 )
# include "common_win32.h"
#endif
/*****************************************************************************
* Plug-in stuff
*****************************************************************************/
typedef struct module_symbols_s
{
struct main_s* p_main;
struct aout_bank_s* p_aout_bank;
struct vout_bank_s* p_vout_bank;
int ( * main_GetIntVariable ) ( char *, int );
char * ( * main_GetPszVariable ) ( char *, char * );
void ( * main_PutIntVariable ) ( char *, int );
void ( * main_PutPszVariable ) ( char *, char * );
int ( * TestProgram ) ( char * );
int ( * TestMethod ) ( char *, char * );
int ( * TestCPU ) ( int );
int ( * intf_ProcessKey ) ( struct intf_thread_s *, int );
void ( * intf_AssignKey ) ( struct intf_thread_s *, int, int, int );
void ( * intf_Msg ) ( char *, ... );
void ( * intf_ErrMsg ) ( char *, ... );
void ( * intf_StatMsg ) ( char *, ... );
void ( * intf_WarnMsg ) ( int, char *, ... );
void ( * intf_WarnMsgImm ) ( int, char *, ... );
#ifdef TRACE
void ( * intf_DbgMsg ) ( char *, char *, int, char *, ... );
void ( * intf_DbgMsgImm ) ( char *, char *, int, char *, ... );
#endif
int ( * intf_PlaylistAdd ) ( struct playlist_s *, int, const char* );
int ( * intf_PlaylistDelete ) ( struct playlist_s *, int );
void ( * intf_PlaylistNext ) ( struct playlist_s * );
void ( * intf_PlaylistPrev ) ( struct playlist_s * );
void ( * intf_PlaylistDestroy ) ( struct playlist_s * );
void ( * intf_PlaylistJumpto ) ( struct playlist_s *, int );
void ( * intf_UrlDecode ) ( char * );
void ( * msleep ) ( mtime_t );
mtime_t ( * mdate ) ( void );
int ( * network_ChannelCreate )( void );
int ( * network_ChannelJoin ) ( int );
void ( * input_SetStatus ) ( struct input_thread_s *, int );
void ( * input_Seek ) ( struct input_thread_s *, off_t );
void ( * input_DumpStream ) ( struct input_thread_s * );
char * ( * input_OffsetToTime ) ( struct input_thread_s *, char *, off_t );
int ( * input_ChangeES ) ( struct input_thread_s *,
struct es_descriptor_s *, u8 );
int ( * input_ToggleES ) ( struct input_thread_s *,
struct es_descriptor_s *, boolean_t );
int ( * input_ChangeArea ) ( struct input_thread_s *,
struct input_area_s * );
struct es_descriptor_s * ( * input_FindES ) ( struct input_thread_s *,
u16 );
struct es_descriptor_s * ( * input_AddES ) ( struct input_thread_s *,
struct pgrm_descriptor_s *, u16, size_t );
void ( * input_DelES ) ( struct input_thread_s *,
struct es_descriptor_s * );
int ( * input_SelectES ) ( struct input_thread_s *,
struct es_descriptor_s * );
int ( * input_UnselectES ) ( struct input_thread_s *,
struct es_descriptor_s * );
struct pgrm_descriptor_s* ( * input_AddProgram ) ( struct input_thread_s *,
u16, size_t );
void ( * input_DelProgram ) ( struct input_thread_s *,
struct pgrm_descriptor_s * );
struct input_area_s * ( * input_AddArea ) ( struct input_thread_s * );
void ( * input_DelArea ) ( struct input_thread_s *,
struct input_area_s * );
void ( * InitBitstream ) ( struct bit_stream_s *,
struct decoder_fifo_s *,
void ( * ) ( struct bit_stream_s *,
boolean_t ),
void * );
void ( * DecoderError ) ( struct decoder_fifo_s * p_fifo );
int ( * input_InitStream ) ( struct input_thread_s *, size_t );
void ( * input_EndStream ) ( struct input_thread_s * );
void ( * input_ParsePES ) ( struct input_thread_s *,
struct es_descriptor_s * );
void ( * input_GatherPES ) ( struct input_thread_s *,
struct data_packet_s *,
struct es_descriptor_s *,
boolean_t, boolean_t );
void ( * input_DecodePES ) ( struct decoder_fifo_s *,
struct pes_packet_s * );
struct es_descriptor_s * ( * input_ParsePS ) ( struct input_thread_s *,
struct data_packet_s * );
void ( * input_DemuxPS ) ( struct input_thread_s *,
struct data_packet_s * );
void ( * input_DemuxTS ) ( struct input_thread_s *,
struct data_packet_s * );
void ( * input_DemuxPSI ) ( struct input_thread_s *,
struct data_packet_s *,
struct es_descriptor_s *,
boolean_t, boolean_t );
int ( * input_ClockManageControl ) ( struct input_thread_s *,
struct pgrm_descriptor_s *,
mtime_t );
struct aout_fifo_s * ( * aout_CreateFifo )
( int, int, long, long, long, void * );
void ( * aout_DestroyFifo ) ( struct aout_fifo_s * );
struct vout_thread_s * (* vout_CreateThread) ( int *, int, int );
struct subpicture_s * (* vout_CreateSubPicture) ( struct vout_thread_s *,
int, int );
struct picture_s * ( * vout_CreatePicture ) ( struct vout_thread_s *,
int, int, int );
void ( * vout_DestroySubPicture ) ( struct vout_thread_s *,
struct subpicture_s * );
void ( * vout_DisplaySubPicture ) ( struct vout_thread_s *,
struct subpicture_s * );
void ( * vout_DisplayPicture ) ( struct vout_thread_s *,
struct picture_s * );
void ( * vout_DestroyPicture ) ( struct vout_thread_s *,
struct picture_s * );
void ( * vout_LinkPicture ) ( struct vout_thread_s *,
struct picture_s * );
void ( * vout_UnlinkPicture ) ( struct vout_thread_s *,
struct picture_s * );
void ( * vout_DatePicture ) ( struct vout_thread_s *p_vout,
struct picture_s *p_pic, mtime_t );
u32 ( * UnalignedShowBits ) ( struct bit_stream_s *, unsigned int );
void ( * UnalignedRemoveBits ) ( struct bit_stream_s * );
u32 ( * UnalignedGetBits ) ( struct bit_stream_s *, unsigned int );
char * ( * DecodeLanguage ) ( u16 );
struct module_s * ( * module_Need ) ( int, void * );
void ( * module_Unneed ) ( struct module_s * );
} module_symbols_t;
#ifdef PLUGIN
extern module_symbols_t* p_symbols;
#endif
/*****************************************************************************
* Global headers
*****************************************************************************/
#include "main.h"
|
