1 /*****************************************************************************
2 * common.h: common definitions
3 * Collection of useful common types and macros definitions
4 *****************************************************************************
5 * Copyright (C) 1998-2011 the VideoLAN team
7 * Authors: Samuel Hocevar <sam@via.ecp.fr>
8 * Vincent Seguin <seguin@via.ecp.fr>
9 * Gildas Bazin <gbazin@videolan.org>
10 * RĂ©mi Denis-Courmont
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
25 *****************************************************************************/
29 * This file is a collection of common definitions and types
33 # define VLC_COMMON_H 1
35 /*****************************************************************************
36 * Required vlc headers
37 *****************************************************************************/
38 #if defined( _MSC_VER )
39 # pragma warning( disable : 4244 )
42 #include "vlc_config.h"
44 /*****************************************************************************
45 * Required system headers
46 *****************************************************************************/
59 /* Helper for GCC version checks */
61 # define VLC_GCC_VERSION(maj,min) \
62 ((__GNUC__ > (maj)) || (__GNUC__ == (maj) && __GNUC_MINOR__ >= (min)))
64 # define VLC_GCC_VERSION(maj,min) (0)
67 /* Try to fix format strings for all versions of mingw and mingw64 */
68 #if defined( _WIN32 ) && defined( __USE_MINGW_ANSI_STDIO )
79 #define snprintf __mingw_snprintf
80 #define vsnprintf __mingw_vsnprintf
83 /* Function attributes for compiler warnings */
85 # define VLC_DEPRECATED __attribute__((deprecated))
87 # if defined( _WIN32 ) && VLC_GCC_VERSION(4,4)
88 # define VLC_FORMAT(x,y) __attribute__ ((format(gnu_printf,x,y)))
90 # define VLC_FORMAT(x,y) __attribute__ ((format(printf,x,y)))
92 # define VLC_FORMAT_ARG(x) __attribute__ ((format_arg(x)))
94 # define VLC_MALLOC __attribute__ ((malloc))
95 # define VLC_NORETURN __attribute__ ((noreturn))
97 # if VLC_GCC_VERSION(3,4)
98 # define VLC_USED __attribute__ ((warn_unused_result))
104 # define VLC_DEPRECATED
105 # define VLC_FORMAT(x,y)
106 # define VLC_FORMAT_ARG(x)
108 # define VLC_NORETURN
113 /* Branch prediction */
115 # define likely(p) __builtin_expect(!!(p), 1)
116 # define unlikely(p) __builtin_expect(!!(p), 0)
118 # define likely(p) (!!(p))
119 # define unlikely(p) (!!(p))
124 # define VLC_EXTERN extern "C"
129 #if defined (WIN32) && defined (DLL_EXPORT)
130 # define VLC_EXPORT __declspec(dllexport)
131 #elif VLC_GCC_VERSION(4,0)
132 # define VLC_EXPORT __attribute__((visibility("default")))
137 #define VLC_API VLC_EXTERN VLC_EXPORT
140 /*****************************************************************************
141 * Basic types definitions
142 *****************************************************************************/
143 #if defined( WIN32 ) || defined( UNDER_CE )
146 # define PATH_MAX MAX_PATH
151 #include <sys/syslimits.h>
154 /* Counter for statistics and profiling */
155 typedef unsigned long count_t;
158 typedef uint16_t audio_volume_t;
161 * High precision date or time interval
163 * Store a high precision date or time interval. The maximum precision is the
164 * microsecond, and a 64 bits integer is used to avoid overflows (maximum
165 * time interval is then 292271 years, which should be long enough for any
166 * video). Dates are stored as microseconds since a common date (usually the
167 * epoch). Note that date and time intervals can be manipulated using regular
168 * arithmetic operators, and that no special functions are required.
170 typedef int64_t mtime_t;
173 * The vlc_fourcc_t type.
175 * See http://www.webartz.com/fourcc/ for a very detailed list.
177 typedef uint32_t vlc_fourcc_t;
179 #ifdef WORDS_BIGENDIAN
180 # define VLC_FOURCC( a, b, c, d ) \
181 ( ((uint32_t)d) | ( ((uint32_t)c) << 8 ) \
182 | ( ((uint32_t)b) << 16 ) | ( ((uint32_t)a) << 24 ) )
183 # define VLC_TWOCC( a, b ) \
184 ( (uint16_t)(b) | ( (uint16_t)(a) << 8 ) )
187 # define VLC_FOURCC( a, b, c, d ) \
188 ( ((uint32_t)a) | ( ((uint32_t)b) << 8 ) \
189 | ( ((uint32_t)c) << 16 ) | ( ((uint32_t)d) << 24 ) )
190 # define VLC_TWOCC( a, b ) \
191 ( (uint16_t)(a) | ( (uint16_t)(b) << 8 ) )
196 * Translate a vlc_fourcc into its string representation. This function
197 * assumes there is enough room in psz_fourcc to store 4 characters in.
199 * \param fcc a vlc_fourcc_t
200 * \param psz_fourcc string to store string representation of vlc_fourcc in
202 static inline void vlc_fourcc_to_char( vlc_fourcc_t fcc, char *psz_fourcc )
204 memcpy( psz_fourcc, &fcc, 4 );
207 #define vlc_fourcc_to_char( a, b ) \
208 vlc_fourcc_to_char( (vlc_fourcc_t)(a), (char *)(b) )
210 /*****************************************************************************
211 * Classes declaration
212 *****************************************************************************/
215 typedef struct vlc_list_t vlc_list_t;
216 typedef struct vlc_object_t vlc_object_t;
217 typedef struct libvlc_int_t libvlc_int_t;
218 typedef struct date_t date_t;
227 PLAYLIST_PLAY, /**< No arg. res=can fail*/
228 PLAYLIST_VIEWPLAY, /**< arg1= playlist_item_t*,*/
229 /** arg2 = playlist_item_t* , res=can fail */
230 PLAYLIST_PAUSE, /**< No arg res=can fail*/
231 PLAYLIST_STOP, /**< No arg res=can fail*/
232 PLAYLIST_SKIP, /**< arg1=int, res=can fail*/
233 } playlist_command_t;
236 typedef struct playlist_t playlist_t;
237 typedef struct playlist_item_t playlist_item_t;
238 typedef struct playlist_view_t playlist_view_t;
239 typedef struct services_discovery_t services_discovery_t;
240 typedef struct services_discovery_sys_t services_discovery_sys_t;
241 typedef struct playlist_add_t playlist_add_t;
244 typedef struct module_t module_t;
245 typedef struct module_config_t module_config_t;
247 typedef struct config_category_t config_category_t;
250 typedef struct input_thread_t input_thread_t;
251 typedef struct input_item_t input_item_t;
252 typedef struct input_item_node_t input_item_node_t;
253 typedef struct access_t access_t;
254 typedef struct access_sys_t access_sys_t;
255 typedef struct stream_t stream_t;
256 typedef struct stream_sys_t stream_sys_t;
257 typedef struct demux_t demux_t;
258 typedef struct demux_sys_t demux_sys_t;
259 typedef struct es_out_t es_out_t;
260 typedef struct es_out_id_t es_out_id_t;
261 typedef struct es_out_sys_t es_out_sys_t;
262 typedef struct seekpoint_t seekpoint_t;
263 typedef struct info_t info_t;
264 typedef struct info_category_t info_category_t;
265 typedef struct input_attachment_t input_attachment_t;
268 typedef struct audio_format_t audio_format_t;
269 typedef struct video_format_t video_format_t;
270 typedef struct subs_format_t subs_format_t;
271 typedef struct es_format_t es_format_t;
272 typedef struct video_palette_t video_palette_t;
275 typedef struct audio_output audio_output_t;
276 typedef struct aout_sys_t aout_sys_t;
277 typedef struct aout_fifo_t aout_fifo_t;
278 typedef struct aout_input_t aout_input_t;
279 typedef struct block_t aout_buffer_t;
280 typedef audio_format_t audio_sample_format_t;
283 typedef struct vout_thread_t vout_thread_t;
285 typedef video_format_t video_frame_format_t;
286 typedef struct picture_t picture_t;
287 typedef struct picture_sys_t picture_sys_t;
290 typedef struct spu_t spu_t;
291 typedef struct subpicture_t subpicture_t;
292 typedef struct subpicture_sys_t subpicture_sys_t;
293 typedef struct subpicture_region_t subpicture_region_t;
295 typedef struct image_handler_t image_handler_t;
298 typedef struct sout_instance_t sout_instance_t;
299 typedef struct sout_instance_sys_t sout_instance_sys_t;
301 typedef struct sout_input_t sout_input_t;
302 typedef struct sout_packetizer_input_t sout_packetizer_input_t;
304 typedef struct sout_access_out_t sout_access_out_t;
305 typedef struct sout_access_out_sys_t sout_access_out_sys_t;
307 typedef struct sout_mux_t sout_mux_t;
308 typedef struct sout_mux_sys_t sout_mux_sys_t;
310 typedef struct sout_stream_t sout_stream_t;
311 typedef struct sout_stream_sys_t sout_stream_sys_t;
313 typedef struct config_chain_t config_chain_t;
314 typedef struct session_descriptor_t session_descriptor_t;
317 typedef struct decoder_t decoder_t;
318 typedef struct decoder_sys_t decoder_sys_t;
319 typedef struct decoder_synchro_t decoder_synchro_t;
322 typedef struct encoder_t encoder_t;
323 typedef struct encoder_sys_t encoder_sys_t;
326 typedef struct filter_t filter_t;
327 typedef struct filter_sys_t filter_sys_t;
330 typedef struct virtual_socket_t v_socket_t;
331 typedef struct vlc_acl_t vlc_acl_t;
332 typedef struct vlc_url_t vlc_url_t;
335 typedef struct iso639_lang_t iso639_lang_t;
338 typedef struct block_t block_t;
339 typedef struct block_fifo_t block_fifo_t;
342 typedef struct httpd_t httpd_t;
343 typedef struct httpd_host_t httpd_host_t;
344 typedef struct httpd_url_t httpd_url_t;
345 typedef struct httpd_client_t httpd_client_t;
346 typedef struct httpd_callback_sys_t httpd_callback_sys_t;
347 typedef struct httpd_message_t httpd_message_t;
348 typedef int (*httpd_callback_t)( httpd_callback_sys_t *, httpd_client_t *, httpd_message_t *answer, const httpd_message_t *query );
349 typedef struct httpd_file_t httpd_file_t;
350 typedef struct httpd_file_sys_t httpd_file_sys_t;
351 typedef int (*httpd_file_callback_t)( httpd_file_sys_t *, httpd_file_t *, uint8_t *psz_request, uint8_t **pp_data, int *pi_data );
352 typedef struct httpd_handler_t httpd_handler_t;
353 typedef struct httpd_handler_sys_t httpd_handler_sys_t;
354 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 );
355 typedef struct httpd_redirect_t httpd_redirect_t;
356 typedef struct httpd_stream_t httpd_stream_t;
359 typedef struct md5_s md5_t;
362 typedef struct xml_t xml_t;
363 typedef struct xml_sys_t xml_sys_t;
364 typedef struct xml_reader_t xml_reader_t;
365 typedef struct xml_reader_sys_t xml_reader_sys_t;
368 typedef struct vod_t vod_t;
369 typedef struct vod_sys_t vod_sys_t;
370 typedef struct vod_media_t vod_media_t;
373 typedef struct osd_menu_t osd_menu_t;
374 typedef struct osd_state_t osd_state_t;
375 typedef struct osd_event_t osd_event_t;
376 typedef struct osd_button_t osd_button_t;
377 typedef struct osd_menu_state_t osd_menu_state_t;
380 typedef struct vlm_t vlm_t;
381 typedef struct vlm_message_t vlm_message_t;
384 typedef struct vlc_meta_t vlc_meta_t;
387 typedef struct counter_t counter_t;
388 typedef struct counter_sample_t counter_sample_t;
389 typedef struct stats_handler_t stats_handler_t;
390 typedef struct input_stats_t input_stats_t;
393 typedef struct update_t update_t;
394 typedef struct update_iterator_t update_iterator_t;
397 typedef struct meta_engine_t meta_engine_t;
399 /* stat/lstat/fstat */
401 # include <sys/stat.h>
405 # define stat _stati64
406 # define fstat _fstati64
409 /* You should otherwise use vlc_stat and vlc_lstat. */
415 * VLC value structure
424 vlc_object_t * p_object;
427 struct { int32_t x; int32_t y; } coords;
437 vlc_value_t * p_values;
442 /*****************************************************************************
443 * Error values (shouldn't be exposed)
444 *****************************************************************************/
445 #define VLC_SUCCESS -0 /* No error */
446 #define VLC_ENOMEM -1 /* Not enough memory */
447 #define VLC_ETIMEOUT -3 /* Timeout */
449 #define VLC_ENOMOD -10 /* Module not found */
451 #define VLC_ENOOBJ -20 /* Object not found */
453 #define VLC_ENOVAR -30 /* Variable not found */
454 #define VLC_EBADVAR -31 /* Bad variable value */
456 #define VLC_ENOITEM -40 /**< Item not found */
458 #define VLC_EEXIT -255 /* Program exited */
459 #define VLC_EEXITSUCCESS -999 /* Program exited successfully */
460 #define VLC_EGENERIC -666 /* Generic error */
462 /*****************************************************************************
464 *****************************************************************************/
465 typedef int ( * vlc_callback_t ) ( vlc_object_t *, /* variable's object */
466 char const *, /* variable name */
467 vlc_value_t, /* old value */
468 vlc_value_t, /* new value */
469 void * ); /* callback data */
471 /*****************************************************************************
472 * OS-specific headers and thread types
473 *****************************************************************************/
474 #if defined( WIN32 ) || defined( UNDER_CE )
475 /* WIN32_LEAN_AND_MEAN is needed to be able to include winsock2.h because else,
476 * windows.h will also include winsock.h and declarations will conflict */
477 # define WIN32_LEAN_AND_MEAN
478 # include <windows.h>
482 # define OS2EMX_PLAIN_CHAR
488 #include "vlc_mtime.h"
489 #include "vlc_threads.h"
492 * Memory storage space for an atom. Never access it directly.
496 volatile uintptr_t u;
500 /*****************************************************************************
501 * Common structure members
502 *****************************************************************************/
504 /* VLC_COMMON_MEMBERS : members common to all basic vlc objects */
505 #define VLC_COMMON_MEMBERS \
506 /** \name VLC_COMMON_MEMBERS \
507 * these members are common for all vlc objects \
510 const char *psz_object_type; \
512 /* Messages header */ \
516 /* Object properties */ \
517 volatile bool b_die; /**< set by the outside */ \
518 bool b_force; /**< set by the outside (eg. module_need()) */ \
520 /* Stuff related to the libvlc structure */ \
521 libvlc_int_t *p_libvlc; /**< (root of all evil) - 1 */ \
523 vlc_object_t * p_parent; /**< our parent */ \
527 /* VLC_OBJECT: attempt at doing a clever cast */
528 #if VLC_GCC_VERSION(4,0)
530 # define VLC_OBJECT( x ) \
531 __builtin_choose_expr( \
532 __builtin_offsetof(__typeof__(*(x)), psz_object_type), \
533 (void)0 /* screw you */, \
536 # define VLC_OBJECT( x ) \
537 ((vlc_object_t *)(x) \
538 + 0 * __builtin_offsetof(__typeof__(*(x)), psz_object_type))
541 # define VLC_OBJECT( x ) ((vlc_object_t *)(x))
544 typedef struct gc_object_t
547 void (*pf_destructor) (struct gc_object_t *);
551 * These members are common to all objects that wish to be garbage-collected.
553 #define VLC_GC_MEMBERS gc_object_t vlc_gc_data;
555 VLC_API void * vlc_gc_init(gc_object_t *, void (*)(gc_object_t *));
556 VLC_API void * vlc_hold(gc_object_t *);
557 VLC_API void vlc_release(gc_object_t *);
559 #define vlc_gc_init( a,b ) vlc_gc_init( &(a)->vlc_gc_data, (b) )
560 #define vlc_gc_incref( a ) vlc_hold( &(a)->vlc_gc_data )
561 #define vlc_gc_decref( a ) vlc_release( &(a)->vlc_gc_data )
562 #define vlc_priv( gc, t ) ((t *)(((char *)(gc)) - offsetof(t, vlc_gc_data)))
564 /*****************************************************************************
565 * Macros and inline functions
566 *****************************************************************************/
568 /* CEIL: division with round to nearest greater integer */
569 #define CEIL(n, d) ( ((n) / (d)) + ( ((n) % (d)) ? 1 : 0) )
571 /* PAD: PAD(n, d) = CEIL(n ,d) * d */
572 #define PAD(n, d) ( ((n) % (d)) ? ((((n) / (d)) + 1) * (d)) : (n) )
574 /* __MAX and __MIN: self explanatory */
576 # define __MAX(a, b) ( ((a) > (b)) ? (a) : (b) )
579 # define __MIN(a, b) ( ((a) < (b)) ? (a) : (b) )
582 /* clip v in [min, max] */
583 #define VLC_CLIP(v, min, max) __MIN(__MAX((v), (min)), (max))
586 static inline int64_t GCD ( int64_t a, int64_t b )
597 /* function imported from libavutil/common.h */
599 static inline uint8_t clip_uint8_vlc( int32_t a )
601 if( a&(~255) ) return (-a)>>31;
605 /** Count leading zeroes */
607 static inline unsigned clz (unsigned x)
609 #if VLC_GCC_VERSION(3,4)
610 return __builtin_clz (x);
612 unsigned i = sizeof (x) * 8;
623 #define clz8( x ) (clz(x) - ((sizeof(unsigned) - sizeof (uint8_t)) * 8))
624 #define clz16( x ) (clz(x) - ((sizeof(unsigned) - sizeof (uint16_t)) * 8))
625 /* XXX: this assumes that int is 32-bits or more */
626 #define clz32( x ) (clz(x) - ((sizeof(unsigned) - sizeof (uint32_t)) * 8))
630 static inline unsigned popcount (unsigned x)
632 #if VLC_GCC_VERSION(3,4)
633 return __builtin_popcount (x);
651 /** Byte swap (16 bits) */
653 static inline uint16_t bswap16 (uint16_t x)
655 return (x << 8) | (x >> 8);
658 /** Byte swap (32 bits) */
660 static inline uint32_t bswap32 (uint32_t x)
662 #if VLC_GCC_VERSION(4,3)
663 return __builtin_bswap32 (x);
665 return ((x & 0x000000FF) << 24)
666 | ((x & 0x0000FF00) << 8)
667 | ((x & 0x00FF0000) >> 8)
668 | ((x & 0xFF000000) >> 24);
672 /** Byte swap (64 bits) */
674 static inline uint64_t bswap64 (uint64_t x)
676 #if VLC_GCC_VERSION(4,3)
677 return __builtin_bswap64 (x);
678 #elif !defined (__cplusplus)
679 return ((x & 0x00000000000000FF) << 56)
680 | ((x & 0x000000000000FF00) << 40)
681 | ((x & 0x0000000000FF0000) << 24)
682 | ((x & 0x00000000FF000000) << 8)
683 | ((x & 0x000000FF00000000) >> 8)
684 | ((x & 0x0000FF0000000000) >> 24)
685 | ((x & 0x00FF000000000000) >> 40)
686 | ((x & 0xFF00000000000000) >> 56);
688 return ((x & 0x00000000000000FFLLU) << 56)
689 | ((x & 0x000000000000FF00LLU) << 40)
690 | ((x & 0x0000000000FF0000LLU) << 24)
691 | ((x & 0x00000000FF000000LLU) << 8)
692 | ((x & 0x000000FF00000000LLU) >> 8)
693 | ((x & 0x0000FF0000000000LLU) >> 24)
694 | ((x & 0x00FF000000000000LLU) >> 40)
695 | ((x & 0xFF00000000000000LLU) >> 56);
700 /* Free and set set the variable to NULL */
701 #define FREENULL(a) do { free( a ); a = NULL; } while(0)
703 #define EMPTY_STR(str) (!str || !*str)
705 VLC_API char const * vlc_error( int ) VLC_USED;
707 #include <vlc_arrays.h>
709 /* MSB (big endian)/LSB (little endian) conversions - network order is always
710 * MSB, and should be used for both network communications and files. */
712 #ifdef WORDS_BIGENDIAN
713 # define hton16(i) ((uint16_t)(i))
714 # define hton32(i) ((uint32_t)(i))
715 # define hton64(i) ((uint64_t)(i))
717 # define hton16(i) bswap16(i)
718 # define hton32(i) bswap32(i)
719 # define hton64(i) bswap64(i)
721 #define ntoh16(i) hton16(i)
722 #define ntoh32(i) hton32(i)
723 #define ntoh64(i) hton64(i)
725 /** Reads 16 bits in network byte order */
727 static inline uint16_t U16_AT (const void *p)
731 memcpy (&x, p, sizeof (x));
735 /** Reads 32 bits in network byte order */
737 static inline uint32_t U32_AT (const void *p)
741 memcpy (&x, p, sizeof (x));
745 /** Reads 64 bits in network byte order */
747 static inline uint64_t U64_AT (const void *p)
751 memcpy (&x, p, sizeof (x));
755 #define GetWBE(p) U16_AT(p)
756 #define GetDWBE(p) U32_AT(p)
757 #define GetQWBE(p) U64_AT(p)
759 /** Reads 16 bits in little-endian order */
761 static inline uint16_t GetWLE (const void *p)
765 memcpy (&x, p, sizeof (x));
766 #ifdef WORDS_BIGENDIAN
772 /** Reads 32 bits in little-endian order */
774 static inline uint32_t GetDWLE (const void *p)
778 memcpy (&x, p, sizeof (x));
779 #ifdef WORDS_BIGENDIAN
785 /** Reads 64 bits in little-endian order */
787 static inline uint64_t GetQWLE (const void *p)
791 memcpy (&x, p, sizeof (x));
792 #ifdef WORDS_BIGENDIAN
798 /** Writes 16 bits in network byte order */
799 static inline void SetWBE (void *p, uint16_t w)
802 memcpy (p, &w, sizeof (w));
805 /** Writes 32 bits in network byte order */
806 static inline void SetDWBE (void *p, uint32_t dw)
809 memcpy (p, &dw, sizeof (dw));
812 /** Writes 64 bits in network byte order */
813 static inline void SetQWBE (void *p, uint64_t qw)
816 memcpy (p, &qw, sizeof (qw));
819 /** Writes 16 bits in little endian order */
820 static inline void SetWLE (void *p, uint16_t w)
822 #ifdef WORDS_BIGENDIAN
825 memcpy (p, &w, sizeof (w));
828 /** Writes 32 bits in little endian order */
829 static inline void SetDWLE (void *p, uint32_t dw)
831 #ifdef WORDS_BIGENDIAN
834 memcpy (p, &dw, sizeof (dw));
837 /** Writes 64 bits in little endian order */
838 static inline void SetQWLE (void *p, uint64_t qw)
840 #ifdef WORDS_BIGENDIAN
843 memcpy (p, &qw, sizeof (qw));
847 #define VLC_UNUSED(x) (void)(x)
849 /* Stuff defined in src/extras/libc.c */
851 #if defined(WIN32) || defined(UNDER_CE)
852 /* win32, cl and icl support */
853 # if defined( _MSC_VER ) || !defined( __MINGW32__ )
854 # define __attribute__(x)
855 # define S_IFBLK 0x3000 /* Block */
856 # define S_ISBLK(m) (0)
857 # define S_ISCHR(m) (0)
858 # define S_ISFIFO(m) (((m)&_S_IFMT) == _S_IFIFO)
859 # define S_ISREG(m) (((m)&_S_IFMT) == _S_IFREG)
862 /* several type definitions */
863 # if defined( __MINGW32__ )
864 # if !defined( _OFF_T_ )
865 typedef long long _off_t;
866 typedef _off_t off_t;
872 # define off_t long long
876 # if defined( _MSC_VER )
877 # if !defined( _OFF_T_DEFINED )
878 typedef __int64 off_t;
879 # define _OFF_T_DEFINED
881 /* for wx compatibility typedef long off_t; */
882 # define off_t __int64
886 # if defined( __BORLANDC__ )
888 # define off_t unsigned __int64
892 # define O_NONBLOCK 0
896 # define alloca _alloca
902 VLC_API bool vlc_ureduce( unsigned *, unsigned *, uint64_t, uint64_t, uint64_t );
904 /* Aligned memory allocator */
906 #include <AvailabilityMacros.h>
911 # define vlc_memalign(align, size) (__mingw_aligned_malloc(size, align))
912 # define vlc_free(base) (__mingw_aligned_free(base))
913 #elif defined(__APPLE__) && !defined(MAC_OS_X_VERSION_10_6)
914 static inline void *vlc_memalign(size_t align, size_t size)
919 ptr = malloc(size+align);
922 diff = ((-(long)ptr - 1)&(align-1)) + 1;
923 ptr = (char*)ptr + diff;
924 ((char*)ptr)[-1]= diff;
928 static void vlc_free(void *ptr)
931 free((char*)ptr - ((char*)ptr)[-1]);
933 #elif defined(__ANDROID__)
934 # define vlc_memalign(align, size) memalign(align, size)
935 # define vlc_free(base) free(base)
937 static inline void *vlc_memalign(size_t align, size_t size)
940 if (unlikely(posix_memalign(&base, align, size)))
944 # define vlc_free(base) free(base)
947 VLC_API void vlc_tdestroy( void *, void (*)(void *) );
949 /* Fast large memory copy and memory set */
950 VLC_API void * vlc_memcpy( void *, const void *, size_t );
951 #define vlc_memset memset
953 /*****************************************************************************
955 *****************************************************************************/
956 VLC_API char * vlc_gettext( const char *msgid ) VLC_FORMAT_ARG(1);
958 #define vlc_pgettext( ctx, id ) \
959 vlc_pgettext_aux( ctx "\004" id, id )
962 static inline const char *vlc_pgettext_aux( const char *ctx, const char *id )
964 const char *tr = vlc_gettext( ctx );
965 return (tr == ctx) ? id : tr;
968 /*****************************************************************************
969 * Loosy memory allocation functions. Do not use in new code.
970 *****************************************************************************/
971 static inline void *xmalloc (size_t len)
973 void *ptr = malloc (len);
974 if (unlikely (ptr == NULL))
979 static inline void *xrealloc (void *ptr, size_t len)
981 void *nptr = realloc (ptr, len);
982 if (unlikely (nptr == NULL))
987 static inline void *xcalloc (size_t n, size_t size)
989 void *ptr = calloc (n, size);
990 if (unlikely (ptr == NULL))
995 /*****************************************************************************
997 *****************************************************************************/
998 VLC_API const char * VLC_CompileBy( void ) VLC_USED;
999 VLC_API const char * VLC_CompileHost( void ) VLC_USED;
1000 VLC_API const char * VLC_Compiler( void ) VLC_USED;
1002 /*****************************************************************************
1003 * Additional vlc stuff
1004 *****************************************************************************/
1005 #include "vlc_messages.h"
1006 #include "vlc_objects.h"
1007 #include "vlc_variables.h"
1008 #include "vlc_main.h"
1009 #include "vlc_configuration.h"
1011 #if defined( WIN32 ) || defined( UNDER_CE ) || defined( __SYMBIAN32__ ) || defined( __OS2__ )
1012 # define DIR_SEP_CHAR '\\'
1013 # define DIR_SEP "\\"
1014 # define PATH_SEP_CHAR ';'
1015 # define PATH_SEP ";"
1017 # define DIR_SEP_CHAR '/'
1018 # define DIR_SEP "/"
1019 # define PATH_SEP_CHAR ':'
1020 # define PATH_SEP ":"
1023 #define LICENSE_MSG \
1024 _("This program comes with NO WARRANTY, to the extent permitted by " \
1025 "law.\nYou may redistribute it under the terms of the GNU General " \
1026 "Public License;\nsee the file named COPYING for details.\n" \
1027 "Written by the VideoLAN team; see the AUTHORS file.\n")
1029 #endif /* !VLC_COMMON_H */