* Collection of useful common types and macros definitions
*****************************************************************************
* Copyright (C) 1998, 1999, 2000 VideoLAN
- * $Id: common.h,v 1.39 2001/08/22 17:21:45 massiot Exp $
+ * $Id: common.h,v 1.84 2002/03/04 23:56:37 massiot Exp $
*
* Authors: Samuel Hocevar <sam@via.ecp.fr>
* Vincent Seguin <seguin@via.ecp.fr>
+ * Gildas Bazin <gbazin@netcourrier.com>
*
* 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
*****************************************************************************/
/*****************************************************************************
- * required headers:
- * config.h
+ * Required system headers
*****************************************************************************/
+#include <string.h> /* strerror() */
+#include <sys/types.h>
/*****************************************************************************
* Basic types definitions
*****************************************************************************/
-#include "int_types.h"
+typedef unsigned char u8;
+typedef signed char s8;
+
+typedef unsigned short u16;
+typedef signed short s16;
+
+typedef unsigned int u32;
+typedef signed int s32;
+
+#if defined( _MSC_VER ) || ( defined( WIN32 ) && !defined( __MINGW32__ ) )
+typedef unsigned __int64 u64;
+typedef signed __int64 s64;
+#else
+typedef unsigned long long u64;
+typedef signed long long s64;
+#endif
typedef u8 byte_t;
/* Boolean type */
#ifdef BOOLEAN_T_IN_SYS_TYPES_H
-# include <sys/types.h>
+ /* <sys/types.h> already included */
#elif defined(BOOLEAN_T_IN_PTHREAD_H)
# include <pthread.h>
#elif defined(BOOLEAN_T_IN_CTHREADS_H)
# endif
#endif
+#if defined( WIN32 )
+typedef int ssize_t;
+#endif
+
/* Counter for statistics and profiling */
typedef unsigned long count_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 long 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 playlist_s;
struct playlist_item_s;
+struct module_s;
+struct module_config_s;
typedef struct playlist_s * p_playlist_t;
typedef struct playlist_item_s * p_playlist_item_t;
+typedef struct module_s * p_module_t;
+typedef struct module_config_s * p_module_config_t;
/* Interface */
struct intf_thread_s;
struct input_thread_s;
struct input_channel_s;
struct input_cfg_s;
+struct input_area_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;
+typedef struct input_area_s * p_input_area_t;
/* Audio */
struct aout_thread_s;
struct vout_thread_s;
struct vout_font_s;
struct vout_sys_s;
+struct chroma_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 chroma_sys_s * p_chroma_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;
+/* Decoders */
+struct decoder_config_s;
+struct decoder_fifo_s;
+
/* Misc */
struct macroblock_s;
struct data_packet_s;
+struct imdct_s;
+struct complex_s;
+struct dm_par_s;
+struct picture_s;
+struct picture_sys_s;
+struct picture_heap_s;
struct es_descriptor_s;
struct pgrm_descriptor_s;
+struct pes_packet_s;
+struct input_area_s;
+struct bit_stream_s;
+struct input_buffers_s;
+struct network_socket_s;
+struct intf_subscription_s;
/*****************************************************************************
* Macros and inline functions
*****************************************************************************/
#ifdef NTOHL_IN_SYS_PARAM_H
# include <sys/param.h>
+
#elif defined(WIN32)
-# include <winsock.h>
-#else
+/* Swap bytes in 16 bit value. */
+# define __bswap_constant_16(x) \
+ ((((x) >> 8) & 0xff) | (((x) & 0xff) << 8))
+
+# if defined __GNUC__ && __GNUC__ >= 2
+# define __bswap_16(x) \
+ (__extension__ \
+ ({ register unsigned short int __v; \
+ if (__builtin_constant_p (x)) \
+ __v = __bswap_constant_16 (x); \
+ else \
+ __asm__ __volatile__ ("rorw $8, %w0" \
+ : "=r" (__v) \
+ : "0" ((unsigned short int) (x)) \
+ : "cc"); \
+ __v; }))
+# else
+/* This is better than nothing. */
+# define __bswap_16(x) __bswap_constant_16 (x)
+# endif
+
+/* Swap bytes in 32 bit value. */
+# define __bswap_constant_32(x) \
+ ((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >> 8) | \
+ (((x) & 0x0000ff00) << 8) | (((x) & 0x000000ff) << 24))
+
+# if defined __GNUC__ && __GNUC__ >= 2
+/* To swap the bytes in a word the i486 processors and up provide the
+ `bswap' opcode. On i386 we have to use three instructions. */
+# if !defined __i486__ && !defined __pentium__ && !defined __pentiumpro__
+# define __bswap_32(x) \
+ (__extension__ \
+ ({ register unsigned int __v; \
+ if (__builtin_constant_p (x)) \
+ __v = __bswap_constant_32 (x); \
+ else \
+ __asm__ __volatile__ ("rorw $8, %w0;" \
+ "rorl $16, %0;" \
+ "rorw $8, %w0" \
+ : "=r" (__v) \
+ : "0" ((unsigned int) (x)) \
+ : "cc"); \
+ __v; }))
+# else
+# define __bswap_32(x) \
+ (__extension__ \
+ ({ register unsigned int __v; \
+ if (__builtin_constant_p (x)) \
+ __v = __bswap_constant_32 (x); \
+ else \
+ __asm__ __volatile__ ("bswap %0" \
+ : "=r" (__v) \
+ : "0" ((unsigned int) (x))); \
+ __v; }))
+# endif
+# else
+# define __bswap_32(x) __bswap_constant_32 (x)
+# endif
+
+# if defined __GNUC__ && __GNUC__ >= 2
+/* Swap bytes in 64 bit value. */
+# define __bswap_constant_64(x) \
+ ((((x) & 0xff00000000000000ull) >> 56) \
+ | (((x) & 0x00ff000000000000ull) >> 40) \
+ | (((x) & 0x0000ff0000000000ull) >> 24) \
+ | (((x) & 0x000000ff00000000ull) >> 8) \
+ | (((x) & 0x00000000ff000000ull) << 8) \
+ | (((x) & 0x0000000000ff0000ull) << 24) \
+ | (((x) & 0x000000000000ff00ull) << 40) \
+ | (((x) & 0x00000000000000ffull) << 56))
+
+# define __bswap_64(x) \
+ (__extension__ \
+ ({ union { __extension__ unsigned long long int __ll; \
+ unsigned long int __l[2]; } __w, __r; \
+ if (__builtin_constant_p (x)) \
+ __r.__ll = __bswap_constant_64 (x); \
+ else \
+ { \
+ __w.__ll = (x); \
+ __r.__l[0] = __bswap_32 (__w.__l[1]); \
+ __r.__l[1] = __bswap_32 (__w.__l[0]); \
+ } \
+ __r.__ll; }))
+# endif
+
+#else /* NTOHL_IN_SYS_PARAM_H || WIN32 */
# include <netinet/in.h>
-#endif
+
+#endif /* NTOHL_IN_SYS_PARAM_H || WIN32 */
/* 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) )
+/* __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) )
+#ifndef __MIN
+# define __MIN(a, b) ( ((a) < (b)) ? (a) : (b) )
#endif
/* MSB (big endian)/LSB (little endian) conversions - network order is always
* 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 !defined( WIN32 )
#if WORDS_BIGENDIAN
# define hton16 htons
# define hton32 htonl
#else
# define hton16 htons
# define hton32 htonl
-# define hton64(i) ( ((u64)(htonl((i) & 0xffffffff)) << 32) | htonl(((i) >> 32) & 0xffffffff ) )
+ static __inline__ u64 __hton64( u64 i )
+ {
+ return ((u64)(htonl((i) & 0xffffffff)) << 32)
+ | htonl(((i) >> 32) & 0xffffffff );
+ }
+# define hton64(i) __hton64( i )
# define ntoh16 ntohs
# define ntoh32 ntohl
# define ntoh64 hton64
#endif
+#endif /* !defined( WIN32 ) */
/* Macros with automatic casts */
#define U64_AT(p) ( ntoh64 ( *( (u64 *)(p) ) ) )
# define ATTR_ALIGN(align)
#endif
-/* win32, cl and icl support */
-#if defined( _MSC_VER )
-# define __attribute__(x)
-# define __inline__ __inline
-# define strncasecmp strnicmp
-# define strcasecmp stricmp
-# define S_ISBLK(m) (0)
-# define S_ISCHR(m) (0)
-# define S_ISFIFO(m) (((m)&_S_IFMT) == _S_IFIFO)
-# define S_ISREG(m) (((m)&_S_IFMT) == _S_IFREG)
-# define I64C(x) x
+/* 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
-# define I64C(x) x##LL
+# 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
+
+
#if defined( WIN32 )
-# ifndef _OFF_T_DEFINED
+/* The ntoh* and hton* bytes swapping functions are provided by winsock
+ * but for conveniency and speed reasons it is better to implement them
+ * ourselves. ( several plugins use them and it is too much hassle to link
+ * winsock with each of them ;-)
+ */
+# ifdef WORDS_BIGENDIAN
+# define ntoh32(x) (x)
+# define ntoh16(x) (x)
+# define ntoh64(x) (x)
+# define hton32(x) (x)
+# define hton16(x) (x)
+# define hton64(x) (x)
+# else
+# define ntoh32(x) __bswap_32 (x)
+# define ntoh16(x) __bswap_16 (x)
+# define ntoh64(x) __bswap_32 (x)
+# define hton32(x) __bswap_32 (x)
+# define hton16(x) __bswap_16 (x)
+# define hton64(x) __bswap_64 (x)
+# endif
+
+/* win32, cl and icl support */
+# if defined( _MSC_VER ) || !defined( __MINGW32__ )
+# define __attribute__(x)
+# define __inline__ __inline
+# define strncasecmp strnicmp
+# define strcasecmp stricmp
+# define S_ISBLK(m) (0)
+# define S_ISCHR(m) (0)
+# define S_ISFIFO(m) (((m)&_S_IFMT) == _S_IFIFO)
+# define S_ISREG(m) (((m)&_S_IFMT) == _S_IFREG)
+# undef I64C(x)
+# define I64C(x) x##i64
+# endif
+
+/* several type definitions */
+# if defined( __MINGW32__ )
+# if !defined( _OFF_T_ )
+typedef long long _off_t;
+typedef _off_t off_t;
+# define _OFF_T_
+# else
+# define off_t long long
+# endif
+# endif
+
+# if defined( _MSC_VER )
+# if !defined( _OFF_T_DEFINED )
typedef __int64 off_t;
-# define _OFF_T_DEFINED
+# define _OFF_T_DEFINED
+# else
+# define off_t __int64
+# endif
+# define stat _stati64
+# endif
+
+# ifndef O_NONBLOCK
+# define O_NONBLOCK 0
# endif
+
# ifndef snprintf
# define snprintf _snprintf /* snprintf not defined in mingw32 (bug?) */
# endif
+
#endif
+
+/*****************************************************************************
+ * CPU capabilities
+ *****************************************************************************/
+#define CPU_CAPABILITY_NONE 0
+#define CPU_CAPABILITY_486 (1<<0)
+#define CPU_CAPABILITY_586 (1<<1)
+#define CPU_CAPABILITY_PPRO (1<<2)
+#define CPU_CAPABILITY_MMX (1<<3)
+#define CPU_CAPABILITY_3DNOW (1<<4)
+#define CPU_CAPABILITY_MMXEXT (1<<5)
+#define CPU_CAPABILITY_SSE (1<<6)
+#define CPU_CAPABILITY_ALTIVEC (1<<16)
+#define CPU_CAPABILITY_FPU (1<<31)
+
+/*****************************************************************************
+ * I18n stuff
+ *****************************************************************************/
+#if defined( ENABLE_NLS ) && defined ( HAVE_GETTEXT )
+# include <libintl.h>
+#else
+# define _(String) (String)
+# define N_(String) (String)
+#endif
+
+/*****************************************************************************
+ * Plug-in stuff
+ *****************************************************************************/
+typedef struct module_symbols_s
+{
+ struct main_s* p_main;
+ struct input_bank_s* p_input_bank;
+ struct aout_bank_s* p_aout_bank;
+ struct vout_bank_s* p_vout_bank;
+
+ int ( * config_GetIntVariable ) ( const char * );
+ char * ( * config_GetPszVariable ) ( const char * );
+ void ( * config_PutIntVariable ) ( const char *, int );
+ void ( * config_PutPszVariable ) ( const char *, char * );
+ struct module_config_s * ( * config_FindConfig ) ( const char * );
+ struct module_config_s * ( * config_Duplicate ) ( struct module_config_s *,
+ int );
+
+ struct intf_subscription_s * ( * intf_MsgSub ) ( void );
+ void ( * intf_MsgUnsub ) ( struct intf_subscription_s * );
+
+ void ( * intf_Msg ) ( char *, ... );
+ void ( * intf_ErrMsg ) ( char *, ... );
+ void ( * intf_StatMsg ) ( char *, ... );
+ void ( * intf_WarnMsg ) ( int, char *, ... );
+
+ 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 * );
+ int ( * intf_Eject ) ( const char * );
+
+ void ( * msleep ) ( mtime_t );
+ mtime_t ( * mdate ) ( void );
+ char * ( * mstrtime ) ( char *, mtime_t );
+
+ int ( * network_ChannelCreate )( void );
+ int ( * network_ChannelJoin ) ( int );
+
+ int ( * input_SetProgram ) ( struct input_thread_s *,
+ struct pgrm_descriptor_s * );
+ 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 * );
+ int ( * input_ChangeProgram ) ( struct input_thread_s *, u16 );
+ 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 ( * BitstreamNextDataPacket )( struct bit_stream_s * );
+ boolean_t ( * NextDataPacket ) ( struct decoder_fifo_s *,
+ struct data_packet_s ** );
+ 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 * );
+ ssize_t ( * input_ReadPS ) ( struct input_thread_s *,
+ struct data_packet_s ** );
+ void ( * input_DemuxPS ) ( struct input_thread_s *,
+ struct data_packet_s * );
+ ssize_t ( * input_ReadTS ) ( 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 );
+ void ( * input_FDSeek ) ( struct input_thread_s *, off_t );
+ void ( * input_FDClose ) ( struct input_thread_s * );
+ ssize_t ( * input_FDRead ) ( struct input_thread_s *, byte_t *,
+ size_t );
+ ssize_t ( * input_FDNetworkRead ) ( struct input_thread_s *, byte_t *,
+ size_t );
+
+ void * ( * input_BuffersInit )( void );
+ void ( * input_BuffersEnd )( struct input_buffers_s * );
+ struct data_buffer_s * ( * input_NewBuffer )( struct input_buffers_s *, size_t );
+ void ( * input_ReleaseBuffer )( struct input_buffers_s *, struct data_buffer_s * );
+ struct data_packet_s * ( * input_ShareBuffer )( struct input_buffers_s *,
+ struct data_buffer_s * );
+ struct data_packet_s * ( * input_NewPacket )( struct input_buffers_s *, size_t );
+ void ( * input_DeletePacket )( struct input_buffers_s *, struct data_packet_s * );
+ struct pes_packet_s * ( * input_NewPES )( struct input_buffers_s * );
+ void ( * input_DeletePES )( struct input_buffers_s *, struct pes_packet_s * );
+ ssize_t ( * input_FillBuffer )( struct input_thread_s * );
+ ssize_t ( * input_Peek )( struct input_thread_s *, byte_t **, size_t );
+ ssize_t ( * input_SplitBuffer )( struct input_thread_s *, struct data_packet_s **, size_t );
+ int ( * input_AccessInit )( struct input_thread_s * );
+ void ( * input_AccessReinit )( struct input_thread_s * );
+ void ( * input_AccessEnd )( struct input_thread_s * );
+
+ struct aout_fifo_s * ( * aout_CreateFifo ) ( int, int, int, int, void * );
+ void ( * aout_DestroyFifo ) ( struct aout_fifo_s * );
+
+ struct vout_thread_s * (* vout_CreateThread) ( int *, int, int, u32, int );
+ void ( * vout_DestroyThread ) ( struct vout_thread_s *, int * );
+
+ struct picture_s * ( * vout_CreatePicture )
+ ( struct vout_thread_s *,
+ boolean_t, boolean_t, boolean_t );
+ void ( * vout_AllocatePicture )( struct picture_s *, int, int, u32 );
+ 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 *,
+ struct picture_s *, mtime_t );
+ void ( * vout_PlacePicture ) ( struct vout_thread_s *, int, int,
+ int *, int *, int *, int * );
+
+ struct subpicture_s * (* vout_CreateSubPicture)
+ ( struct vout_thread_s *, int, int );
+ void ( * vout_DestroySubPicture ) ( struct vout_thread_s *,
+ struct subpicture_s * );
+ void ( * vout_DisplaySubPicture ) ( struct vout_thread_s *,
+ struct subpicture_s * );
+
+ u32 ( * UnalignedShowBits ) ( struct bit_stream_s *, unsigned int );
+ void ( * UnalignedRemoveBits ) ( struct bit_stream_s * );
+ u32 ( * UnalignedGetBits ) ( struct bit_stream_s *, unsigned int );
+ void ( * CurrentPTS ) ( struct bit_stream_s *, mtime_t *,
+ mtime_t * );
+
+ char * ( * DecodeLanguage ) ( u16 );
+
+ struct module_s * ( * module_Need ) ( int, char *, void * );
+ void ( * module_Unneed ) ( struct module_s * );
+
+} module_symbols_t;
+
+#ifdef PLUGIN
+extern module_symbols_t* p_symbols;
+#endif
+
projects / vlc / blobdiff