1 /*****************************************************************************
2 * vlc_common.h: common definitions
3 * Collection of useful common types and macros definitions
4 *****************************************************************************
5 * Copyright (C) 1998-2011 VLC authors and VideoLAN
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 it
13 * under the terms of the GNU Lesser General Public License as published by
14 * the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
22 * You should have received a copy of the GNU Lesser General Public License
23 * along with this program; if not, write to the Free Software Foundation,
24 * 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>
155 typedef uint16_t audio_volume_t;
158 * High precision date or time interval
160 * Store a high precision date or time interval. The maximum precision is the
161 * microsecond, and a 64 bits integer is used to avoid overflows (maximum
162 * time interval is then 292271 years, which should be long enough for any
163 * video). Dates are stored as microseconds since a common date (usually the
164 * epoch). Note that date and time intervals can be manipulated using regular
165 * arithmetic operators, and that no special functions are required.
167 typedef int64_t mtime_t;
170 * The vlc_fourcc_t type.
172 * See http://www.webartz.com/fourcc/ for a very detailed list.
174 typedef uint32_t vlc_fourcc_t;
176 #ifdef WORDS_BIGENDIAN
177 # define VLC_FOURCC( a, b, c, d ) \
178 ( ((uint32_t)d) | ( ((uint32_t)c) << 8 ) \
179 | ( ((uint32_t)b) << 16 ) | ( ((uint32_t)a) << 24 ) )
180 # define VLC_TWOCC( a, b ) \
181 ( (uint16_t)(b) | ( (uint16_t)(a) << 8 ) )
184 # define VLC_FOURCC( a, b, c, d ) \
185 ( ((uint32_t)a) | ( ((uint32_t)b) << 8 ) \
186 | ( ((uint32_t)c) << 16 ) | ( ((uint32_t)d) << 24 ) )
187 # define VLC_TWOCC( a, b ) \
188 ( (uint16_t)(a) | ( (uint16_t)(b) << 8 ) )
193 * Translate a vlc_fourcc into its string representation. This function
194 * assumes there is enough room in psz_fourcc to store 4 characters in.
196 * \param fcc a vlc_fourcc_t
197 * \param psz_fourcc string to store string representation of vlc_fourcc in
199 static inline void vlc_fourcc_to_char( vlc_fourcc_t fcc, char *psz_fourcc )
201 memcpy( psz_fourcc, &fcc, 4 );
204 #define vlc_fourcc_to_char( a, b ) \
205 vlc_fourcc_to_char( (vlc_fourcc_t)(a), (char *)(b) )
207 /*****************************************************************************
208 * Classes declaration
209 *****************************************************************************/
212 typedef struct vlc_list_t vlc_list_t;
213 typedef struct vlc_object_t vlc_object_t;
214 typedef struct libvlc_int_t libvlc_int_t;
215 typedef struct date_t date_t;
224 PLAYLIST_PLAY, /**< No arg. res=can fail*/
225 PLAYLIST_VIEWPLAY, /**< arg1= playlist_item_t*,*/
226 /** arg2 = playlist_item_t* , res=can fail */
227 PLAYLIST_PAUSE, /**< No arg res=can fail*/
228 PLAYLIST_STOP, /**< No arg res=can fail*/
229 PLAYLIST_SKIP, /**< arg1=int, res=can fail*/
230 } playlist_command_t;
233 typedef struct playlist_t playlist_t;
234 typedef struct playlist_item_t playlist_item_t;
235 typedef struct playlist_view_t playlist_view_t;
236 typedef struct services_discovery_t services_discovery_t;
237 typedef struct services_discovery_sys_t services_discovery_sys_t;
238 typedef struct playlist_add_t playlist_add_t;
241 typedef struct module_t module_t;
242 typedef struct module_config_t module_config_t;
244 typedef struct config_category_t config_category_t;
247 typedef struct input_thread_t input_thread_t;
248 typedef struct input_item_t input_item_t;
249 typedef struct input_item_node_t input_item_node_t;
250 typedef struct access_t access_t;
251 typedef struct access_sys_t access_sys_t;
252 typedef struct stream_t stream_t;
253 typedef struct stream_sys_t stream_sys_t;
254 typedef struct demux_t demux_t;
255 typedef struct demux_sys_t demux_sys_t;
256 typedef struct es_out_t es_out_t;
257 typedef struct es_out_id_t es_out_id_t;
258 typedef struct es_out_sys_t es_out_sys_t;
259 typedef struct seekpoint_t seekpoint_t;
260 typedef struct info_t info_t;
261 typedef struct info_category_t info_category_t;
262 typedef struct input_attachment_t input_attachment_t;
265 typedef struct audio_format_t audio_format_t;
266 typedef struct video_format_t video_format_t;
267 typedef struct subs_format_t subs_format_t;
268 typedef struct es_format_t es_format_t;
269 typedef struct video_palette_t video_palette_t;
272 typedef struct audio_output audio_output_t;
273 typedef struct aout_sys_t aout_sys_t;
274 typedef struct aout_fifo_t aout_fifo_t;
275 typedef struct aout_input_t aout_input_t;
276 typedef struct block_t aout_buffer_t;
277 typedef audio_format_t audio_sample_format_t;
280 typedef struct vout_thread_t vout_thread_t;
282 typedef video_format_t video_frame_format_t;
283 typedef struct picture_t picture_t;
284 typedef struct picture_sys_t picture_sys_t;
287 typedef struct spu_t spu_t;
288 typedef struct subpicture_t subpicture_t;
289 typedef struct subpicture_sys_t subpicture_sys_t;
290 typedef struct subpicture_region_t subpicture_region_t;
292 typedef struct image_handler_t image_handler_t;
295 typedef struct sout_instance_t sout_instance_t;
296 typedef struct sout_instance_sys_t sout_instance_sys_t;
298 typedef struct sout_input_t sout_input_t;
299 typedef struct sout_packetizer_input_t sout_packetizer_input_t;
301 typedef struct sout_access_out_t sout_access_out_t;
302 typedef struct sout_access_out_sys_t sout_access_out_sys_t;
304 typedef struct sout_mux_t sout_mux_t;
305 typedef struct sout_mux_sys_t sout_mux_sys_t;
307 typedef struct sout_stream_t sout_stream_t;
308 typedef struct sout_stream_sys_t sout_stream_sys_t;
310 typedef struct config_chain_t config_chain_t;
311 typedef struct session_descriptor_t session_descriptor_t;
314 typedef struct decoder_t decoder_t;
315 typedef struct decoder_sys_t decoder_sys_t;
316 typedef struct decoder_synchro_t decoder_synchro_t;
319 typedef struct encoder_t encoder_t;
320 typedef struct encoder_sys_t encoder_sys_t;
323 typedef struct filter_t filter_t;
324 typedef struct filter_sys_t filter_sys_t;
327 typedef struct virtual_socket_t v_socket_t;
328 typedef struct vlc_acl_t vlc_acl_t;
329 typedef struct vlc_url_t vlc_url_t;
332 typedef struct iso639_lang_t iso639_lang_t;
335 typedef struct block_t block_t;
336 typedef struct block_fifo_t block_fifo_t;
339 typedef struct httpd_t httpd_t;
340 typedef struct httpd_host_t httpd_host_t;
341 typedef struct httpd_url_t httpd_url_t;
342 typedef struct httpd_client_t httpd_client_t;
343 typedef struct httpd_callback_sys_t httpd_callback_sys_t;
344 typedef struct httpd_message_t httpd_message_t;
345 typedef int (*httpd_callback_t)( httpd_callback_sys_t *, httpd_client_t *, httpd_message_t *answer, const httpd_message_t *query );
346 typedef struct httpd_file_t httpd_file_t;
347 typedef struct httpd_file_sys_t httpd_file_sys_t;
348 typedef int (*httpd_file_callback_t)( httpd_file_sys_t *, httpd_file_t *, uint8_t *psz_request, uint8_t **pp_data, int *pi_data );
349 typedef struct httpd_handler_t httpd_handler_t;
350 typedef struct httpd_handler_sys_t httpd_handler_sys_t;
351 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 );
352 typedef struct httpd_redirect_t httpd_redirect_t;
353 typedef struct httpd_stream_t httpd_stream_t;
356 typedef struct md5_s md5_t;
359 typedef struct xml_t xml_t;
360 typedef struct xml_sys_t xml_sys_t;
361 typedef struct xml_reader_t xml_reader_t;
362 typedef struct xml_reader_sys_t xml_reader_sys_t;
365 typedef struct vod_t vod_t;
366 typedef struct vod_sys_t vod_sys_t;
367 typedef struct vod_media_t vod_media_t;
370 typedef struct osd_menu_t osd_menu_t;
371 typedef struct osd_state_t osd_state_t;
372 typedef struct osd_event_t osd_event_t;
373 typedef struct osd_button_t osd_button_t;
374 typedef struct osd_menu_state_t osd_menu_state_t;
377 typedef struct vlm_t vlm_t;
378 typedef struct vlm_message_t vlm_message_t;
381 typedef struct vlc_meta_t vlc_meta_t;
382 typedef struct input_stats_t input_stats_t;
385 typedef struct update_t update_t;
386 typedef struct update_iterator_t update_iterator_t;
389 typedef struct meta_engine_t meta_engine_t;
392 # include <sys/stat.h>
396 # define stat _stati64
397 # define fstat _fstati64
402 * VLC value structure
411 vlc_object_t * p_object;
414 struct { int32_t x; int32_t y; } coords;
424 vlc_value_t * p_values;
429 /*****************************************************************************
430 * Error values (shouldn't be exposed)
431 *****************************************************************************/
432 #define VLC_SUCCESS -0 /* No error */
433 #define VLC_ENOMEM -1 /* Not enough memory */
434 #define VLC_ETIMEOUT -3 /* Timeout */
436 #define VLC_ENOMOD -10 /* Module not found */
438 #define VLC_ENOOBJ -20 /* Object not found */
440 #define VLC_ENOVAR -30 /* Variable not found */
441 #define VLC_EBADVAR -31 /* Bad variable value */
443 #define VLC_ENOITEM -40 /**< Item not found */
445 #define VLC_EEXIT -255 /* Program exited */
446 #define VLC_EEXITSUCCESS -999 /* Program exited successfully */
447 #define VLC_EGENERIC -666 /* Generic error */
449 /*****************************************************************************
451 *****************************************************************************/
452 typedef int ( * vlc_callback_t ) ( vlc_object_t *, /* variable's object */
453 char const *, /* variable name */
454 vlc_value_t, /* old value */
455 vlc_value_t, /* new value */
456 void * ); /* callback data */
458 /*****************************************************************************
459 * OS-specific headers and thread types
460 *****************************************************************************/
461 #if defined( WIN32 ) || defined( UNDER_CE )
462 /* WIN32_LEAN_AND_MEAN is needed to be able to include winsock2.h because else,
463 * windows.h will also include winsock.h and declarations will conflict */
464 # define WIN32_LEAN_AND_MEAN
465 # include <windows.h>
469 # define OS2EMX_PLAIN_CHAR
475 #include "vlc_mtime.h"
476 #include "vlc_threads.h"
479 * Memory storage space for an atom. Never access it directly.
483 volatile uintptr_t u;
487 /*****************************************************************************
488 * Common structure members
489 *****************************************************************************/
491 /* VLC_COMMON_MEMBERS : members common to all basic vlc objects */
492 #define VLC_COMMON_MEMBERS \
493 /** \name VLC_COMMON_MEMBERS \
494 * these members are common for all vlc objects \
497 const char *psz_object_type; \
499 /* Messages header */ \
503 /* Object properties */ \
504 volatile bool b_die; /**< set by the outside */ \
505 bool b_force; /**< set by the outside (eg. module_need()) */ \
507 /* Stuff related to the libvlc structure */ \
508 libvlc_int_t *p_libvlc; /**< (root of all evil) - 1 */ \
510 vlc_object_t * p_parent; /**< our parent */ \
514 /* VLC_OBJECT: attempt at doing a clever cast */
515 #if VLC_GCC_VERSION(4,0)
517 # define VLC_OBJECT( x ) \
518 __builtin_choose_expr( \
519 __builtin_offsetof(__typeof__(*(x)), psz_object_type), \
520 (void)0 /* screw you */, \
523 # define VLC_OBJECT( x ) \
524 ((vlc_object_t *)(x) \
525 + 0 * __builtin_offsetof(__typeof__(*(x)), psz_object_type))
528 # define VLC_OBJECT( x ) ((vlc_object_t *)(x))
531 typedef struct gc_object_t
534 void (*pf_destructor) (struct gc_object_t *);
538 * These members are common to all objects that wish to be garbage-collected.
540 #define VLC_GC_MEMBERS gc_object_t vlc_gc_data;
542 VLC_API void * vlc_gc_init(gc_object_t *, void (*)(gc_object_t *));
543 VLC_API void * vlc_hold(gc_object_t *);
544 VLC_API void vlc_release(gc_object_t *);
546 #define vlc_gc_init( a,b ) vlc_gc_init( &(a)->vlc_gc_data, (b) )
547 #define vlc_gc_incref( a ) vlc_hold( &(a)->vlc_gc_data )
548 #define vlc_gc_decref( a ) vlc_release( &(a)->vlc_gc_data )
549 #define vlc_priv( gc, t ) ((t *)(((char *)(gc)) - offsetof(t, vlc_gc_data)))
551 /*****************************************************************************
552 * Macros and inline functions
553 *****************************************************************************/
555 /* CEIL: division with round to nearest greater integer */
556 #define CEIL(n, d) ( ((n) / (d)) + ( ((n) % (d)) ? 1 : 0) )
558 /* PAD: PAD(n, d) = CEIL(n ,d) * d */
559 #define PAD(n, d) ( ((n) % (d)) ? ((((n) / (d)) + 1) * (d)) : (n) )
561 /* __MAX and __MIN: self explanatory */
563 # define __MAX(a, b) ( ((a) > (b)) ? (a) : (b) )
566 # define __MIN(a, b) ( ((a) < (b)) ? (a) : (b) )
569 /* clip v in [min, max] */
570 #define VLC_CLIP(v, min, max) __MIN(__MAX((v), (min)), (max))
573 static inline int64_t GCD ( int64_t a, int64_t b )
584 /* function imported from libavutil/common.h */
586 static inline uint8_t clip_uint8_vlc( int32_t a )
588 if( a&(~255) ) return (-a)>>31;
592 /** Count leading zeroes */
594 static inline unsigned clz (unsigned x)
596 #if VLC_GCC_VERSION(3,4)
597 return __builtin_clz (x);
599 unsigned i = sizeof (x) * 8;
610 #define clz8( x ) (clz(x) - ((sizeof(unsigned) - sizeof (uint8_t)) * 8))
611 #define clz16( x ) (clz(x) - ((sizeof(unsigned) - sizeof (uint16_t)) * 8))
612 /* XXX: this assumes that int is 32-bits or more */
613 #define clz32( x ) (clz(x) - ((sizeof(unsigned) - sizeof (uint32_t)) * 8))
617 static inline unsigned popcount (unsigned x)
619 #if VLC_GCC_VERSION(3,4)
620 return __builtin_popcount (x);
638 /** Byte swap (16 bits) */
640 static inline uint16_t bswap16 (uint16_t x)
642 return (x << 8) | (x >> 8);
645 /** Byte swap (32 bits) */
647 static inline uint32_t bswap32 (uint32_t x)
649 #if VLC_GCC_VERSION(4,3)
650 return __builtin_bswap32 (x);
652 return ((x & 0x000000FF) << 24)
653 | ((x & 0x0000FF00) << 8)
654 | ((x & 0x00FF0000) >> 8)
655 | ((x & 0xFF000000) >> 24);
659 /** Byte swap (64 bits) */
661 static inline uint64_t bswap64 (uint64_t x)
663 #if VLC_GCC_VERSION(4,3)
664 return __builtin_bswap64 (x);
665 #elif !defined (__cplusplus)
666 return ((x & 0x00000000000000FF) << 56)
667 | ((x & 0x000000000000FF00) << 40)
668 | ((x & 0x0000000000FF0000) << 24)
669 | ((x & 0x00000000FF000000) << 8)
670 | ((x & 0x000000FF00000000) >> 8)
671 | ((x & 0x0000FF0000000000) >> 24)
672 | ((x & 0x00FF000000000000) >> 40)
673 | ((x & 0xFF00000000000000) >> 56);
675 return ((x & 0x00000000000000FFLLU) << 56)
676 | ((x & 0x000000000000FF00LLU) << 40)
677 | ((x & 0x0000000000FF0000LLU) << 24)
678 | ((x & 0x00000000FF000000LLU) << 8)
679 | ((x & 0x000000FF00000000LLU) >> 8)
680 | ((x & 0x0000FF0000000000LLU) >> 24)
681 | ((x & 0x00FF000000000000LLU) >> 40)
682 | ((x & 0xFF00000000000000LLU) >> 56);
687 /* Free and set set the variable to NULL */
688 #define FREENULL(a) do { free( a ); a = NULL; } while(0)
690 #define EMPTY_STR(str) (!str || !*str)
692 VLC_API char const * vlc_error( int ) VLC_USED;
694 #include <vlc_arrays.h>
696 /* MSB (big endian)/LSB (little endian) conversions - network order is always
697 * MSB, and should be used for both network communications and files. */
699 #ifdef WORDS_BIGENDIAN
700 # define hton16(i) ((uint16_t)(i))
701 # define hton32(i) ((uint32_t)(i))
702 # define hton64(i) ((uint64_t)(i))
704 # define hton16(i) bswap16(i)
705 # define hton32(i) bswap32(i)
706 # define hton64(i) bswap64(i)
708 #define ntoh16(i) hton16(i)
709 #define ntoh32(i) hton32(i)
710 #define ntoh64(i) hton64(i)
712 /** Reads 16 bits in network byte order */
714 static inline uint16_t U16_AT (const void *p)
718 memcpy (&x, p, sizeof (x));
722 /** Reads 32 bits in network byte order */
724 static inline uint32_t U32_AT (const void *p)
728 memcpy (&x, p, sizeof (x));
732 /** Reads 64 bits in network byte order */
734 static inline uint64_t U64_AT (const void *p)
738 memcpy (&x, p, sizeof (x));
742 #define GetWBE(p) U16_AT(p)
743 #define GetDWBE(p) U32_AT(p)
744 #define GetQWBE(p) U64_AT(p)
746 /** Reads 16 bits in little-endian order */
748 static inline uint16_t GetWLE (const void *p)
752 memcpy (&x, p, sizeof (x));
753 #ifdef WORDS_BIGENDIAN
759 /** Reads 32 bits in little-endian order */
761 static inline uint32_t GetDWLE (const void *p)
765 memcpy (&x, p, sizeof (x));
766 #ifdef WORDS_BIGENDIAN
772 /** Reads 64 bits in little-endian order */
774 static inline uint64_t GetQWLE (const void *p)
778 memcpy (&x, p, sizeof (x));
779 #ifdef WORDS_BIGENDIAN
785 /** Writes 16 bits in network byte order */
786 static inline void SetWBE (void *p, uint16_t w)
789 memcpy (p, &w, sizeof (w));
792 /** Writes 32 bits in network byte order */
793 static inline void SetDWBE (void *p, uint32_t dw)
796 memcpy (p, &dw, sizeof (dw));
799 /** Writes 64 bits in network byte order */
800 static inline void SetQWBE (void *p, uint64_t qw)
803 memcpy (p, &qw, sizeof (qw));
806 /** Writes 16 bits in little endian order */
807 static inline void SetWLE (void *p, uint16_t w)
809 #ifdef WORDS_BIGENDIAN
812 memcpy (p, &w, sizeof (w));
815 /** Writes 32 bits in little endian order */
816 static inline void SetDWLE (void *p, uint32_t dw)
818 #ifdef WORDS_BIGENDIAN
821 memcpy (p, &dw, sizeof (dw));
824 /** Writes 64 bits in little endian order */
825 static inline void SetQWLE (void *p, uint64_t qw)
827 #ifdef WORDS_BIGENDIAN
830 memcpy (p, &qw, sizeof (qw));
834 #define VLC_UNUSED(x) (void)(x)
836 /* Stuff defined in src/extras/libc.c */
838 #if defined(WIN32) || defined(UNDER_CE)
839 /* win32, cl and icl support */
840 # if defined( _MSC_VER ) || !defined( __MINGW32__ )
841 # define __attribute__(x)
842 # define S_IFBLK 0x3000 /* Block */
843 # define S_ISBLK(m) (0)
844 # define S_ISCHR(m) (0)
845 # define S_ISFIFO(m) (((m)&_S_IFMT) == _S_IFIFO)
846 # define S_ISREG(m) (((m)&_S_IFMT) == _S_IFREG)
849 /* several type definitions */
850 # if defined( __MINGW32__ )
851 # if !defined( _OFF_T_ )
852 typedef long long _off_t;
853 typedef _off_t off_t;
859 # define off_t long long
863 # if defined( _MSC_VER )
864 # if !defined( _OFF_T_DEFINED )
865 typedef __int64 off_t;
866 # define _OFF_T_DEFINED
868 /* for wx compatibility typedef long off_t; */
869 # define off_t __int64
873 # if defined( __BORLANDC__ )
875 # define off_t unsigned __int64
879 # define O_NONBLOCK 0
883 # define alloca _alloca
889 VLC_API bool vlc_ureduce( unsigned *, unsigned *, uint64_t, uint64_t, uint64_t );
891 /* Aligned memory allocator */
893 #include <AvailabilityMacros.h>
898 # define vlc_memalign(align, size) (__mingw_aligned_malloc(size, align))
899 # define vlc_free(base) (__mingw_aligned_free(base))
900 #elif defined(__APPLE__) && !defined(MAC_OS_X_VERSION_10_6)
901 static inline void *vlc_memalign(size_t align, size_t size)
906 ptr = malloc(size+align);
909 diff = ((-(long)ptr - 1)&(align-1)) + 1;
910 ptr = (char*)ptr + diff;
911 ((char*)ptr)[-1]= diff;
915 static void vlc_free(void *ptr)
918 free((char*)ptr - ((char*)ptr)[-1]);
920 #elif defined(__ANDROID__)
921 # define vlc_memalign(align, size) memalign(align, size)
922 # define vlc_free(base) free(base)
924 static inline void *vlc_memalign(size_t align, size_t size)
927 if (unlikely(posix_memalign(&base, align, size)))
931 # define vlc_free(base) free(base)
934 VLC_API void vlc_tdestroy( void *, void (*)(void *) );
936 /* Fast large memory copy and memory set */
937 VLC_API void * vlc_memcpy( void *, const void *, size_t );
938 #define vlc_memset memset
940 /*****************************************************************************
942 *****************************************************************************/
943 VLC_API char * vlc_gettext( const char *msgid ) VLC_FORMAT_ARG(1);
945 #define vlc_pgettext( ctx, id ) \
946 vlc_pgettext_aux( ctx "\004" id, id )
949 static inline const char *vlc_pgettext_aux( const char *ctx, const char *id )
951 const char *tr = vlc_gettext( ctx );
952 return (tr == ctx) ? id : tr;
955 /*****************************************************************************
956 * Loosy memory allocation functions. Do not use in new code.
957 *****************************************************************************/
958 static inline void *xmalloc (size_t len)
960 void *ptr = malloc (len);
961 if (unlikely (ptr == NULL))
966 static inline void *xrealloc (void *ptr, size_t len)
968 void *nptr = realloc (ptr, len);
969 if (unlikely (nptr == NULL))
974 static inline void *xcalloc (size_t n, size_t size)
976 void *ptr = calloc (n, size);
977 if (unlikely (ptr == NULL))
982 /*****************************************************************************
984 *****************************************************************************/
985 VLC_API const char * VLC_CompileBy( void ) VLC_USED;
986 VLC_API const char * VLC_CompileHost( void ) VLC_USED;
987 VLC_API const char * VLC_Compiler( void ) VLC_USED;
989 /*****************************************************************************
990 * Additional vlc stuff
991 *****************************************************************************/
992 #include "vlc_messages.h"
993 #include "vlc_objects.h"
994 #include "vlc_variables.h"
995 #include "vlc_main.h"
996 #include "vlc_configuration.h"
998 #if defined( WIN32 ) || defined( UNDER_CE ) || defined( __SYMBIAN32__ ) || defined( __OS2__ )
999 # define DIR_SEP_CHAR '\\'
1000 # define DIR_SEP "\\"
1001 # define PATH_SEP_CHAR ';'
1002 # define PATH_SEP ";"
1004 # define DIR_SEP_CHAR '/'
1005 # define DIR_SEP "/"
1006 # define PATH_SEP_CHAR ':'
1007 # define PATH_SEP ":"
1010 #define LICENSE_MSG \
1011 _("This program comes with NO WARRANTY, to the extent permitted by " \
1012 "law.\nYou may redistribute it under the terms of the GNU General " \
1013 "Public License;\nsee the file named COPYING for details.\n" \
1014 "Written by the VideoLAN team; see the AUTHORS file.\n")
1016 #endif /* !VLC_COMMON_H */