/***************************************************************************** * common.h: common definitions * Collection of useful common types and macros definitions ***************************************************************************** * Copyright (C) 1998-2011 VLC authors and VideoLAN * * Authors: Samuel Hocevar * Vincent Seguin * Gildas Bazin * Rémi Denis-Courmont * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser 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. *****************************************************************************/ /** * \file * This file is a collection of common definitions and types */ #ifndef VLC_COMMON_H # define VLC_COMMON_H 1 /***************************************************************************** * Required vlc headers *****************************************************************************/ #if defined( _MSC_VER ) # pragma warning( disable : 4244 ) #endif #include "vlc_config.h" /***************************************************************************** * Required system headers *****************************************************************************/ #include #include #include #include #include #include #ifndef __cplusplus # include #endif /* Helper for GCC version checks */ #ifdef __GNUC__ # define VLC_GCC_VERSION(maj,min) \ ((__GNUC__ > (maj)) || (__GNUC__ == (maj) && __GNUC_MINOR__ >= (min))) #else # define VLC_GCC_VERSION(maj,min) (0) #endif /* Try to fix format strings for all versions of mingw and mingw64 */ #if defined( _WIN32 ) && defined( __USE_MINGW_ANSI_STDIO ) #undef PRId64 #define PRId64 "lld" #undef PRIi64 #define PRIi64 "lli" #undef PRIu64 #define PRIu64 "llu" #undef PRIo64 #define PRIo64 "llo" #undef PRIx64 #define PRIx64 "llx" #define snprintf __mingw_snprintf #define vsnprintf __mingw_vsnprintf #endif /* Function attributes for compiler warnings */ #ifdef __GNUC__ # define VLC_DEPRECATED __attribute__((deprecated)) # if defined( _WIN32 ) && VLC_GCC_VERSION(4,4) # define VLC_FORMAT(x,y) __attribute__ ((format(gnu_printf,x,y))) # else # define VLC_FORMAT(x,y) __attribute__ ((format(printf,x,y))) # endif # define VLC_FORMAT_ARG(x) __attribute__ ((format_arg(x))) # define VLC_MALLOC __attribute__ ((malloc)) # define VLC_NORETURN __attribute__ ((noreturn)) # if VLC_GCC_VERSION(3,4) # define VLC_USED __attribute__ ((warn_unused_result)) # else # define VLC_USED # endif #else # define VLC_DEPRECATED # define VLC_FORMAT(x,y) # define VLC_FORMAT_ARG(x) # define VLC_MALLOC # define VLC_NORETURN # define VLC_USED #endif /* Branch prediction */ #ifdef __GNUC__ # define likely(p) __builtin_expect(!!(p), 1) # define unlikely(p) __builtin_expect(!!(p), 0) #else # define likely(p) (!!(p)) # define unlikely(p) (!!(p)) #endif /* Linkage */ #ifdef __cplusplus # define VLC_EXTERN extern "C" #else # define VLC_EXTERN #endif #if defined (WIN32) && defined (DLL_EXPORT) # define VLC_EXPORT __declspec(dllexport) #elif VLC_GCC_VERSION(4,0) # define VLC_EXPORT __attribute__((visibility("default"))) #else # define VLC_EXPORT #endif #define VLC_API VLC_EXTERN VLC_EXPORT /***************************************************************************** * Basic types definitions *****************************************************************************/ #if defined( WIN32 ) || defined( UNDER_CE ) # include # ifndef PATH_MAX # define PATH_MAX MAX_PATH # endif #endif #ifdef __SYMBIAN32__ #include #endif /* Counter for statistics and profiling */ typedef unsigned long count_t; /* Audio volume */ typedef uint16_t audio_volume_t; /** * High precision date or time interval * * Store a high precision date or time interval. The maximum precision is the * microsecond, and a 64 bits integer is used to avoid overflows (maximum * time interval is then 292271 years, which should be long enough for any * video). Dates are stored as microseconds since a common date (usually the * epoch). Note that date and time intervals can be manipulated using regular * arithmetic operators, and that no special functions are required. */ typedef int64_t mtime_t; /** * The vlc_fourcc_t type. * * See http://www.webartz.com/fourcc/ for a very detailed list. */ typedef uint32_t vlc_fourcc_t; #ifdef WORDS_BIGENDIAN # define VLC_FOURCC( a, b, c, d ) \ ( ((uint32_t)d) | ( ((uint32_t)c) << 8 ) \ | ( ((uint32_t)b) << 16 ) | ( ((uint32_t)a) << 24 ) ) # define VLC_TWOCC( a, b ) \ ( (uint16_t)(b) | ( (uint16_t)(a) << 8 ) ) #else # define VLC_FOURCC( a, b, c, d ) \ ( ((uint32_t)a) | ( ((uint32_t)b) << 8 ) \ | ( ((uint32_t)c) << 16 ) | ( ((uint32_t)d) << 24 ) ) # define VLC_TWOCC( a, b ) \ ( (uint16_t)(a) | ( (uint16_t)(b) << 8 ) ) #endif /** * Translate a vlc_fourcc into its string representation. This function * assumes there is enough room in psz_fourcc to store 4 characters in. * * \param fcc a vlc_fourcc_t * \param psz_fourcc string to store string representation of vlc_fourcc in */ static inline void vlc_fourcc_to_char( vlc_fourcc_t fcc, char *psz_fourcc ) { memcpy( psz_fourcc, &fcc, 4 ); } #define vlc_fourcc_to_char( a, b ) \ vlc_fourcc_to_char( (vlc_fourcc_t)(a), (char *)(b) ) /***************************************************************************** * Classes declaration *****************************************************************************/ /* Internal types */ typedef struct vlc_list_t vlc_list_t; typedef struct vlc_object_t vlc_object_t; typedef struct libvlc_int_t libvlc_int_t; typedef struct date_t date_t; /* Playlist */ /* FIXME */ /** * Playlist commands */ typedef enum { PLAYLIST_PLAY, /**< No arg. res=can fail*/ PLAYLIST_VIEWPLAY, /**< arg1= playlist_item_t*,*/ /** arg2 = playlist_item_t* , res=can fail */ PLAYLIST_PAUSE, /**< No arg res=can fail*/ PLAYLIST_STOP, /**< No arg res=can fail*/ PLAYLIST_SKIP, /**< arg1=int, res=can fail*/ } playlist_command_t; typedef struct playlist_t playlist_t; typedef struct playlist_item_t playlist_item_t; typedef struct playlist_view_t playlist_view_t; typedef struct services_discovery_t services_discovery_t; typedef struct services_discovery_sys_t services_discovery_sys_t; typedef struct playlist_add_t playlist_add_t; /* Modules */ typedef struct module_t module_t; typedef struct module_config_t module_config_t; typedef struct config_category_t config_category_t; /* Input */ typedef struct input_thread_t input_thread_t; typedef struct input_item_t input_item_t; typedef struct input_item_node_t input_item_node_t; typedef struct access_t access_t; typedef struct access_sys_t access_sys_t; typedef struct stream_t stream_t; typedef struct stream_sys_t stream_sys_t; typedef struct demux_t demux_t; typedef struct demux_sys_t demux_sys_t; typedef struct es_out_t es_out_t; typedef struct es_out_id_t es_out_id_t; typedef struct es_out_sys_t es_out_sys_t; typedef struct seekpoint_t seekpoint_t; typedef struct info_t info_t; typedef struct info_category_t info_category_t; typedef struct input_attachment_t input_attachment_t; /* Format */ typedef struct audio_format_t audio_format_t; typedef struct video_format_t video_format_t; typedef struct subs_format_t subs_format_t; typedef struct es_format_t es_format_t; typedef struct video_palette_t video_palette_t; /* Audio */ typedef struct audio_output audio_output_t; typedef struct aout_sys_t aout_sys_t; typedef struct aout_fifo_t aout_fifo_t; typedef struct aout_input_t aout_input_t; typedef struct block_t aout_buffer_t; typedef audio_format_t audio_sample_format_t; /* Video */ typedef struct vout_thread_t vout_thread_t; typedef video_format_t video_frame_format_t; typedef struct picture_t picture_t; typedef struct picture_sys_t picture_sys_t; /* Subpictures */ typedef struct spu_t spu_t; typedef struct subpicture_t subpicture_t; typedef struct subpicture_sys_t subpicture_sys_t; typedef struct subpicture_region_t subpicture_region_t; typedef struct image_handler_t image_handler_t; /* Stream output */ typedef struct sout_instance_t sout_instance_t; typedef struct sout_instance_sys_t sout_instance_sys_t; typedef struct sout_input_t sout_input_t; typedef struct sout_packetizer_input_t sout_packetizer_input_t; typedef struct sout_access_out_t sout_access_out_t; typedef struct sout_access_out_sys_t sout_access_out_sys_t; typedef struct sout_mux_t sout_mux_t; typedef struct sout_mux_sys_t sout_mux_sys_t; typedef struct sout_stream_t sout_stream_t; typedef struct sout_stream_sys_t sout_stream_sys_t; typedef struct config_chain_t config_chain_t; typedef struct session_descriptor_t session_descriptor_t; /* Decoders */ typedef struct decoder_t decoder_t; typedef struct decoder_sys_t decoder_sys_t; typedef struct decoder_synchro_t decoder_synchro_t; /* Encoders */ typedef struct encoder_t encoder_t; typedef struct encoder_sys_t encoder_sys_t; /* Filters */ typedef struct filter_t filter_t; typedef struct filter_sys_t filter_sys_t; /* Network */ typedef struct virtual_socket_t v_socket_t; typedef struct vlc_acl_t vlc_acl_t; typedef struct vlc_url_t vlc_url_t; /* Misc */ typedef struct iso639_lang_t iso639_lang_t; /* block */ typedef struct block_t block_t; typedef struct block_fifo_t block_fifo_t; /* httpd */ typedef struct httpd_t httpd_t; typedef struct httpd_host_t httpd_host_t; typedef struct httpd_url_t httpd_url_t; typedef struct httpd_client_t httpd_client_t; typedef struct httpd_callback_sys_t httpd_callback_sys_t; typedef struct httpd_message_t httpd_message_t; typedef int (*httpd_callback_t)( httpd_callback_sys_t *, httpd_client_t *, httpd_message_t *answer, const httpd_message_t *query ); typedef struct httpd_file_t httpd_file_t; typedef struct httpd_file_sys_t httpd_file_sys_t; typedef int (*httpd_file_callback_t)( httpd_file_sys_t *, httpd_file_t *, uint8_t *psz_request, uint8_t **pp_data, int *pi_data ); typedef struct httpd_handler_t httpd_handler_t; typedef struct httpd_handler_sys_t httpd_handler_sys_t; typedef int (*httpd_handler_callback_t)( httpd_handler_sys_t *, httpd_handler_t *, char *psz_url, uint8_t *psz_request, int i_type, uint8_t *p_in, int i_in, char *psz_remote_addr, char *psz_remote_host, uint8_t **pp_data, int *pi_data ); typedef struct httpd_redirect_t httpd_redirect_t; typedef struct httpd_stream_t httpd_stream_t; /* Hashing */ typedef struct md5_s md5_t; /* XML */ typedef struct xml_t xml_t; typedef struct xml_sys_t xml_sys_t; typedef struct xml_reader_t xml_reader_t; typedef struct xml_reader_sys_t xml_reader_sys_t; /* vod server */ typedef struct vod_t vod_t; typedef struct vod_sys_t vod_sys_t; typedef struct vod_media_t vod_media_t; /* osdmenu */ typedef struct osd_menu_t osd_menu_t; typedef struct osd_state_t osd_state_t; typedef struct osd_event_t osd_event_t; typedef struct osd_button_t osd_button_t; typedef struct osd_menu_state_t osd_menu_state_t; /* VLM */ typedef struct vlm_t vlm_t; typedef struct vlm_message_t vlm_message_t; /* misc */ typedef struct vlc_meta_t vlc_meta_t; /* Stats */ typedef struct counter_t counter_t; typedef struct counter_sample_t counter_sample_t; typedef struct stats_handler_t stats_handler_t; typedef struct input_stats_t input_stats_t; /* Update */ typedef struct update_t update_t; typedef struct update_iterator_t update_iterator_t; /* Meta engine */ typedef struct meta_engine_t meta_engine_t; /* stat/lstat/fstat */ #ifdef WIN32 # include # ifndef UNDER_CE struct _stati64; # define stat _stati64 # define fstat _fstati64 #endif /* You should otherwise use vlc_stat and vlc_lstat. */ #else struct stat; #endif /** * VLC value structure */ typedef union { int64_t i_int; bool b_bool; float f_float; char * psz_string; void * p_address; vlc_object_t * p_object; vlc_list_t * p_list; mtime_t i_time; struct { int32_t x; int32_t y; } coords; } vlc_value_t; /** * VLC list structure */ struct vlc_list_t { int i_count; vlc_value_t * p_values; int * pi_types; }; /***************************************************************************** * Error values (shouldn't be exposed) *****************************************************************************/ #define VLC_SUCCESS -0 /* No error */ #define VLC_ENOMEM -1 /* Not enough memory */ #define VLC_ETIMEOUT -3 /* Timeout */ #define VLC_ENOMOD -10 /* Module not found */ #define VLC_ENOOBJ -20 /* Object not found */ #define VLC_ENOVAR -30 /* Variable not found */ #define VLC_EBADVAR -31 /* Bad variable value */ #define VLC_ENOITEM -40 /**< Item not found */ #define VLC_EEXIT -255 /* Program exited */ #define VLC_EEXITSUCCESS -999 /* Program exited successfully */ #define VLC_EGENERIC -666 /* Generic error */ /***************************************************************************** * Variable callbacks *****************************************************************************/ typedef int ( * vlc_callback_t ) ( vlc_object_t *, /* variable's object */ char const *, /* variable name */ vlc_value_t, /* old value */ vlc_value_t, /* new value */ void * ); /* callback data */ /***************************************************************************** * OS-specific headers and thread types *****************************************************************************/ #if defined( WIN32 ) || defined( UNDER_CE ) /* WIN32_LEAN_AND_MEAN is needed to be able to include winsock2.h because else, * windows.h will also include winsock.h and declarations will conflict */ # define WIN32_LEAN_AND_MEAN # include #endif #ifdef __OS2__ # define OS2EMX_PLAIN_CHAR # define INCL_BASE # define INCL_PM # include #endif #include "vlc_mtime.h" #include "vlc_threads.h" /** * Memory storage space for an atom. Never access it directly. */ typedef union { volatile uintptr_t u; volatile intptr_t s; } vlc_atomic_t; /***************************************************************************** * Common structure members *****************************************************************************/ /* VLC_COMMON_MEMBERS : members common to all basic vlc objects */ #define VLC_COMMON_MEMBERS \ /** \name VLC_COMMON_MEMBERS \ * these members are common for all vlc objects \ */ \ /**@{*/ \ const char *psz_object_type; \ \ /* Messages header */ \ char *psz_header; \ int i_flags; \ \ /* Object properties */ \ volatile bool b_die; /**< set by the outside */ \ bool b_force; /**< set by the outside (eg. module_need()) */ \ \ /* Stuff related to the libvlc structure */ \ libvlc_int_t *p_libvlc; /**< (root of all evil) - 1 */ \ \ vlc_object_t * p_parent; /**< our parent */ \ \ /**@}*/ \ /* VLC_OBJECT: attempt at doing a clever cast */ #if VLC_GCC_VERSION(4,0) # ifndef __cplusplus # define VLC_OBJECT( x ) \ __builtin_choose_expr( \ __builtin_offsetof(__typeof__(*(x)), psz_object_type), \ (void)0 /* screw you */, \ (vlc_object_t *)(x)) # else # define VLC_OBJECT( x ) \ ((vlc_object_t *)(x) \ + 0 * __builtin_offsetof(__typeof__(*(x)), psz_object_type)) # endif #else # define VLC_OBJECT( x ) ((vlc_object_t *)(x)) #endif typedef struct gc_object_t { vlc_atomic_t refs; void (*pf_destructor) (struct gc_object_t *); } gc_object_t; /** * These members are common to all objects that wish to be garbage-collected. */ #define VLC_GC_MEMBERS gc_object_t vlc_gc_data; VLC_API void * vlc_gc_init(gc_object_t *, void (*)(gc_object_t *)); VLC_API void * vlc_hold(gc_object_t *); VLC_API void vlc_release(gc_object_t *); #define vlc_gc_init( a,b ) vlc_gc_init( &(a)->vlc_gc_data, (b) ) #define vlc_gc_incref( a ) vlc_hold( &(a)->vlc_gc_data ) #define vlc_gc_decref( a ) vlc_release( &(a)->vlc_gc_data ) #define vlc_priv( gc, t ) ((t *)(((char *)(gc)) - offsetof(t, vlc_gc_data))) /***************************************************************************** * Macros and inline functions *****************************************************************************/ /* 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 /* clip v in [min, max] */ #define VLC_CLIP(v, min, max) __MIN(__MAX((v), (min)), (max)) VLC_USED static inline int64_t GCD ( int64_t a, int64_t b ) { while( b ) { int64_t c = a % b; a = b; b = c; } return a; } /* function imported from libavutil/common.h */ VLC_USED static inline uint8_t clip_uint8_vlc( int32_t a ) { if( a&(~255) ) return (-a)>>31; else return a; } /** Count leading zeroes */ VLC_USED static inline unsigned clz (unsigned x) { #if VLC_GCC_VERSION(3,4) return __builtin_clz (x); #else unsigned i = sizeof (x) * 8; while (x) { x = x >> 1; i--; } return i; #endif } #define clz8( x ) (clz(x) - ((sizeof(unsigned) - sizeof (uint8_t)) * 8)) #define clz16( x ) (clz(x) - ((sizeof(unsigned) - sizeof (uint16_t)) * 8)) /* XXX: this assumes that int is 32-bits or more */ #define clz32( x ) (clz(x) - ((sizeof(unsigned) - sizeof (uint32_t)) * 8)) /** Bit weight */ VLC_USED static inline unsigned popcount (unsigned x) { #if VLC_GCC_VERSION(3,4) return __builtin_popcount (x); #else unsigned count = 0; while (x) { count += x & 1; x = x >> 1; } return count; #endif } #ifdef __OS2__ # undef bswap16 # undef bswap32 # undef bswap64 #endif /** Byte swap (16 bits) */ VLC_USED static inline uint16_t bswap16 (uint16_t x) { return (x << 8) | (x >> 8); } /** Byte swap (32 bits) */ VLC_USED static inline uint32_t bswap32 (uint32_t x) { #if VLC_GCC_VERSION(4,3) return __builtin_bswap32 (x); #else return ((x & 0x000000FF) << 24) | ((x & 0x0000FF00) << 8) | ((x & 0x00FF0000) >> 8) | ((x & 0xFF000000) >> 24); #endif } /** Byte swap (64 bits) */ VLC_USED static inline uint64_t bswap64 (uint64_t x) { #if VLC_GCC_VERSION(4,3) return __builtin_bswap64 (x); #elif !defined (__cplusplus) return ((x & 0x00000000000000FF) << 56) | ((x & 0x000000000000FF00) << 40) | ((x & 0x0000000000FF0000) << 24) | ((x & 0x00000000FF000000) << 8) | ((x & 0x000000FF00000000) >> 8) | ((x & 0x0000FF0000000000) >> 24) | ((x & 0x00FF000000000000) >> 40) | ((x & 0xFF00000000000000) >> 56); #else return ((x & 0x00000000000000FFLLU) << 56) | ((x & 0x000000000000FF00LLU) << 40) | ((x & 0x0000000000FF0000LLU) << 24) | ((x & 0x00000000FF000000LLU) << 8) | ((x & 0x000000FF00000000LLU) >> 8) | ((x & 0x0000FF0000000000LLU) >> 24) | ((x & 0x00FF000000000000LLU) >> 40) | ((x & 0xFF00000000000000LLU) >> 56); #endif } /* Free and set set the variable to NULL */ #define FREENULL(a) do { free( a ); a = NULL; } while(0) #define EMPTY_STR(str) (!str || !*str) VLC_API char const * vlc_error( int ) VLC_USED; #include /* MSB (big endian)/LSB (little endian) conversions - network order is always * MSB, and should be used for both network communications and files. */ #ifdef WORDS_BIGENDIAN # define hton16(i) ((uint16_t)(i)) # define hton32(i) ((uint32_t)(i)) # define hton64(i) ((uint64_t)(i)) #else # define hton16(i) bswap16(i) # define hton32(i) bswap32(i) # define hton64(i) bswap64(i) #endif #define ntoh16(i) hton16(i) #define ntoh32(i) hton32(i) #define ntoh64(i) hton64(i) /** Reads 16 bits in network byte order */ VLC_USED static inline uint16_t U16_AT (const void *p) { uint16_t x; memcpy (&x, p, sizeof (x)); return ntoh16 (x); } /** Reads 32 bits in network byte order */ VLC_USED static inline uint32_t U32_AT (const void *p) { uint32_t x; memcpy (&x, p, sizeof (x)); return ntoh32 (x); } /** Reads 64 bits in network byte order */ VLC_USED static inline uint64_t U64_AT (const void *p) { uint64_t x; memcpy (&x, p, sizeof (x)); return ntoh64 (x); } #define GetWBE(p) U16_AT(p) #define GetDWBE(p) U32_AT(p) #define GetQWBE(p) U64_AT(p) /** Reads 16 bits in little-endian order */ VLC_USED static inline uint16_t GetWLE (const void *p) { uint16_t x; memcpy (&x, p, sizeof (x)); #ifdef WORDS_BIGENDIAN x = bswap16 (x); #endif return x; } /** Reads 32 bits in little-endian order */ VLC_USED static inline uint32_t GetDWLE (const void *p) { uint32_t x; memcpy (&x, p, sizeof (x)); #ifdef WORDS_BIGENDIAN x = bswap32 (x); #endif return x; } /** Reads 64 bits in little-endian order */ VLC_USED static inline uint64_t GetQWLE (const void *p) { uint64_t x; memcpy (&x, p, sizeof (x)); #ifdef WORDS_BIGENDIAN x = bswap64 (x); #endif return x; } /** Writes 16 bits in network byte order */ static inline void SetWBE (void *p, uint16_t w) { w = hton16 (w); memcpy (p, &w, sizeof (w)); } /** Writes 32 bits in network byte order */ static inline void SetDWBE (void *p, uint32_t dw) { dw = hton32 (dw); memcpy (p, &dw, sizeof (dw)); } /** Writes 64 bits in network byte order */ static inline void SetQWBE (void *p, uint64_t qw) { qw = hton64 (qw); memcpy (p, &qw, sizeof (qw)); } /** Writes 16 bits in little endian order */ static inline void SetWLE (void *p, uint16_t w) { #ifdef WORDS_BIGENDIAN w = bswap16 (w); #endif memcpy (p, &w, sizeof (w)); } /** Writes 32 bits in little endian order */ static inline void SetDWLE (void *p, uint32_t dw) { #ifdef WORDS_BIGENDIAN dw = bswap32 (dw); #endif memcpy (p, &dw, sizeof (dw)); } /** Writes 64 bits in little endian order */ static inline void SetQWLE (void *p, uint64_t qw) { #ifdef WORDS_BIGENDIAN qw = bswap64 (qw); #endif memcpy (p, &qw, sizeof (qw)); } /* */ #define VLC_UNUSED(x) (void)(x) /* Stuff defined in src/extras/libc.c */ #if defined(WIN32) || defined(UNDER_CE) /* win32, cl and icl support */ # if defined( _MSC_VER ) || !defined( __MINGW32__ ) # define __attribute__(x) # define S_IFBLK 0x3000 /* Block */ # 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) # 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 # ifdef off_t # undef off_t # endif # define off_t long long # endif # endif # if defined( _MSC_VER ) # if !defined( _OFF_T_DEFINED ) typedef __int64 off_t; # define _OFF_T_DEFINED # else /* for wx compatibility typedef long off_t; */ # define off_t __int64 # endif # endif # if defined( __BORLANDC__ ) # undef off_t # define off_t unsigned __int64 # endif # ifndef O_NONBLOCK # define O_NONBLOCK 0 # endif # ifndef alloca # define alloca _alloca # endif # include #endif VLC_API bool vlc_ureduce( unsigned *, unsigned *, uint64_t, uint64_t, uint64_t ); /* Aligned memory allocator */ #ifdef __APPLE__ #include #endif #ifdef WIN32 # include # define vlc_memalign(align, size) (__mingw_aligned_malloc(size, align)) # define vlc_free(base) (__mingw_aligned_free(base)) #elif defined(__APPLE__) && !defined(MAC_OS_X_VERSION_10_6) static inline void *vlc_memalign(size_t align, size_t size) { long diff; void *ptr; ptr = malloc(size+align); if(!ptr) return ptr; diff = ((-(long)ptr - 1)&(align-1)) + 1; ptr = (char*)ptr + diff; ((char*)ptr)[-1]= diff; return ptr; } static void vlc_free(void *ptr) { if (ptr) free((char*)ptr - ((char*)ptr)[-1]); } #elif defined(__ANDROID__) # define vlc_memalign(align, size) memalign(align, size) # define vlc_free(base) free(base) #else static inline void *vlc_memalign(size_t align, size_t size) { void *base; if (unlikely(posix_memalign(&base, align, size))) base = NULL; return base; } # define vlc_free(base) free(base) #endif VLC_API void vlc_tdestroy( void *, void (*)(void *) ); /* Fast large memory copy and memory set */ VLC_API void * vlc_memcpy( void *, const void *, size_t ); #define vlc_memset memset /***************************************************************************** * I18n stuff *****************************************************************************/ VLC_API char * vlc_gettext( const char *msgid ) VLC_FORMAT_ARG(1); #define vlc_pgettext( ctx, id ) \ vlc_pgettext_aux( ctx "\004" id, id ) VLC_FORMAT_ARG(2) static inline const char *vlc_pgettext_aux( const char *ctx, const char *id ) { const char *tr = vlc_gettext( ctx ); return (tr == ctx) ? id : tr; } /***************************************************************************** * Loosy memory allocation functions. Do not use in new code. *****************************************************************************/ static inline void *xmalloc (size_t len) { void *ptr = malloc (len); if (unlikely (ptr == NULL)) abort (); return ptr; } static inline void *xrealloc (void *ptr, size_t len) { void *nptr = realloc (ptr, len); if (unlikely (nptr == NULL)) abort (); return nptr; } static inline void *xcalloc (size_t n, size_t size) { void *ptr = calloc (n, size); if (unlikely (ptr == NULL)) abort (); return ptr; } /***************************************************************************** * libvlc features *****************************************************************************/ VLC_API const char * VLC_CompileBy( void ) VLC_USED; VLC_API const char * VLC_CompileHost( void ) VLC_USED; VLC_API const char * VLC_Compiler( void ) VLC_USED; /***************************************************************************** * Additional vlc stuff *****************************************************************************/ #include "vlc_messages.h" #include "vlc_objects.h" #include "vlc_variables.h" #include "vlc_main.h" #include "vlc_configuration.h" #if defined( WIN32 ) || defined( UNDER_CE ) || defined( __SYMBIAN32__ ) || defined( __OS2__ ) # define DIR_SEP_CHAR '\\' # define DIR_SEP "\\" # define PATH_SEP_CHAR ';' # define PATH_SEP ";" #else # define DIR_SEP_CHAR '/' # define DIR_SEP "/" # define PATH_SEP_CHAR ':' # define PATH_SEP ":" #endif #define LICENSE_MSG \ _("This program comes with NO WARRANTY, to the extent permitted by " \ "law.\nYou may redistribute it under the terms of the GNU General " \ "Public License;\nsee the file named COPYING for details.\n" \ "Written by the VideoLAN team; see the AUTHORS file.\n") #endif /* !VLC_COMMON_H */