1 /*****************************************************************************
2 * common.h: common definitions
3 * Collection of useful common types and macros definitions
4 *****************************************************************************
5 * Copyright (C) 1998-2005 the VideoLAN team
8 * Authors: Samuel Hocevar <sam@via.ecp.fr>
9 * Vincent Seguin <seguin@via.ecp.fr>
10 * Gildas Bazin <gbazin@videolan.org>
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 /* Try to fix format strings for all versions of mingw and mingw64 */
60 #if defined( _WIN32 ) && defined( __USE_MINGW_ANSI_STDIO )
71 #define snprintf __mingw_snprintf
72 #define vsnprintf __mingw_vsnprintf
75 /* Format string sanity checks */
77 # if defined( _WIN32 ) && (__GNUC__ > 4 || ( __GNUC__ == 4 && __GNUC_MINOR__ >= 4 ) )
78 # define LIBVLC_FORMAT(x,y) __attribute__ ((format(gnu_printf,x,y)))
80 # define LIBVLC_FORMAT(x,y) __attribute__ ((format(printf,x,y)))
82 # define LIBVLC_FORMAT_ARG(x) __attribute__ ((format_arg(x)))
83 # define LIBVLC_USED __attribute__ ((warn_unused_result))
84 # define LIBVLC_MALLOC __attribute__ ((malloc))
86 # define LIBVLC_FORMAT(x,y)
87 # define LIBVLC_FORMAT_ARG(x)
89 # define LIBVLC_MALLOC
92 /* Branch prediction */
94 # define likely(p) __builtin_expect(!!(p), 1)
95 # define unlikely(p) __builtin_expect(!!(p), 0)
97 # define likely(p) (!!(p))
98 # define unlikely(p) (!!(p))
101 /*****************************************************************************
102 * Basic types definitions
103 *****************************************************************************/
104 #if defined( WIN32 ) || defined( UNDER_CE )
107 # define PATH_MAX MAX_PATH
111 /* Counter for statistics and profiling */
112 typedef unsigned long count_t
;
115 typedef uint16_t audio_volume_t
;
118 * High precision date or time interval
120 * Store a high precision date or time interval. The maximum precision is the
121 * microsecond, and a 64 bits integer is used to avoid overflows (maximum
122 * time interval is then 292271 years, which should be long enough for any
123 * video). Dates are stored as microseconds since a common date (usually the
124 * epoch). Note that date and time intervals can be manipulated using regular
125 * arithmetic operators, and that no special functions are required.
127 typedef int64_t mtime_t
;
130 * The vlc_fourcc_t type.
132 * See http://www.webartz.com/fourcc/ for a very detailed list.
134 typedef uint32_t vlc_fourcc_t
;
136 #ifdef WORDS_BIGENDIAN
137 # define VLC_FOURCC( a, b, c, d ) \
138 ( ((uint32_t)d) | ( ((uint32_t)c) << 8 ) \
139 | ( ((uint32_t)b) << 16 ) | ( ((uint32_t)a) << 24 ) )
140 # define VLC_TWOCC( a, b ) \
141 ( (uint16_t)(b) | ( (uint16_t)(a) << 8 ) )
144 # define VLC_FOURCC( a, b, c, d ) \
145 ( ((uint32_t)a) | ( ((uint32_t)b) << 8 ) \
146 | ( ((uint32_t)c) << 16 ) | ( ((uint32_t)d) << 24 ) )
147 # define VLC_TWOCC( a, b ) \
148 ( (uint16_t)(a) | ( (uint16_t)(b) << 8 ) )
153 * Translate a vlc_fourcc into its string representation. This function
154 * assumes there is enough room in psz_fourcc to store 4 characters in.
156 * \param fcc a vlc_fourcc_t
157 * \param psz_fourcc string to store string representation of vlc_fourcc in
159 static inline void vlc_fourcc_to_char( vlc_fourcc_t fcc
, char *psz_fourcc
)
161 memcpy( psz_fourcc
, &fcc
, 4 );
164 #define vlc_fourcc_to_char( a, b ) \
165 vlc_fourcc_to_char( (vlc_fourcc_t)(a), (char *)(b) )
167 /*****************************************************************************
168 * Classes declaration
169 *****************************************************************************/
172 typedef struct vlc_list_t vlc_list_t
;
173 typedef struct vlc_object_t vlc_object_t
;
174 typedef struct libvlc_int_t libvlc_int_t
;
175 typedef struct date_t date_t
;
176 typedef struct dict_entry_t dict_entry_t
;
177 typedef struct dict_t dict_t
;
186 PLAYLIST_PLAY
, /**< No arg. res=can fail*/
187 PLAYLIST_VIEWPLAY
, /**< arg1= playlist_item_t*,*/
188 /** arg2 = playlist_item_t* , res=can fail */
189 PLAYLIST_PAUSE
, /**< No arg res=can fail*/
190 PLAYLIST_STOP
, /**< No arg res=can fail*/
191 PLAYLIST_SKIP
, /**< arg1=int, res=can fail*/
192 } playlist_command_t
;
195 typedef struct playlist_t playlist_t
;
196 typedef struct playlist_item_t playlist_item_t
;
197 typedef struct playlist_view_t playlist_view_t
;
198 typedef struct services_discovery_t services_discovery_t
;
199 typedef struct services_discovery_sys_t services_discovery_sys_t
;
200 typedef struct playlist_add_t playlist_add_t
;
203 typedef struct module_bank_t module_bank_t
;
204 typedef struct module_t module_t
;
205 typedef struct module_config_t module_config_t
;
206 typedef struct module_symbols_t module_symbols_t
;
207 typedef struct module_cache_t module_cache_t
;
209 typedef struct config_category_t config_category_t
;
212 typedef struct input_thread_t input_thread_t
;
213 typedef struct input_thread_sys_t input_thread_sys_t
;
214 typedef struct input_item_t input_item_t
;
215 typedef struct input_item_node_t input_item_node_t
;
216 typedef struct access_t access_t
;
217 typedef struct access_sys_t access_sys_t
;
218 typedef struct stream_t stream_t
;
219 typedef struct stream_sys_t stream_sys_t
;
220 typedef struct demux_t demux_t
;
221 typedef struct demux_sys_t demux_sys_t
;
222 typedef struct es_out_t es_out_t
;
223 typedef struct es_out_id_t es_out_id_t
;
224 typedef struct es_out_sys_t es_out_sys_t
;
225 typedef struct es_descriptor_t es_descriptor_t
;
226 typedef struct seekpoint_t seekpoint_t
;
227 typedef struct info_t info_t
;
228 typedef struct info_category_t info_category_t
;
229 typedef struct input_attachment_t input_attachment_t
;
232 typedef struct audio_format_t audio_format_t
;
233 typedef struct video_format_t video_format_t
;
234 typedef struct subs_format_t subs_format_t
;
235 typedef struct es_format_t es_format_t
;
236 typedef struct video_palette_t video_palette_t
;
239 typedef struct aout_instance_t aout_instance_t
;
240 typedef struct aout_sys_t aout_sys_t
;
241 typedef struct aout_fifo_t aout_fifo_t
;
242 typedef struct aout_input_t aout_input_t
;
243 typedef struct block_t aout_buffer_t
;
244 typedef audio_format_t audio_sample_format_t
;
245 typedef struct audio_date_t audio_date_t
;
246 typedef struct aout_filter_t aout_filter_t
;
249 typedef struct vout_thread_t vout_thread_t
;
250 typedef struct vout_sys_t vout_sys_t
;
252 typedef video_format_t video_frame_format_t
;
253 typedef struct picture_t picture_t
;
254 typedef struct picture_sys_t picture_sys_t
;
255 typedef struct picture_heap_t picture_heap_t
;
258 typedef struct spu_t spu_t
;
259 typedef struct subpicture_t subpicture_t
;
260 typedef struct subpicture_sys_t subpicture_sys_t
;
261 typedef struct subpicture_region_t subpicture_region_t
;
262 typedef struct text_style_t text_style_t
;
264 typedef struct image_handler_t image_handler_t
;
267 typedef struct sout_instance_t sout_instance_t
;
268 typedef struct sout_instance_sys_t sout_instance_sys_t
;
270 typedef struct sout_input_t sout_input_t
;
271 typedef struct sout_packetizer_input_t sout_packetizer_input_t
;
273 typedef struct sout_access_out_t sout_access_out_t
;
274 typedef struct sout_access_out_sys_t sout_access_out_sys_t
;
276 typedef struct sout_mux_t sout_mux_t
;
277 typedef struct sout_mux_sys_t sout_mux_sys_t
;
279 typedef struct sout_stream_t sout_stream_t
;
280 typedef struct sout_stream_sys_t sout_stream_sys_t
;
282 typedef struct config_chain_t config_chain_t
;
283 typedef struct session_descriptor_t session_descriptor_t
;
284 typedef struct announce_method_t announce_method_t
;
286 typedef struct sout_param_t sout_param_t
;
287 typedef struct sout_pcat_t sout_pcat_t
;
288 typedef struct sout_std_t sout_std_t
;
289 typedef struct sout_display_t sout_display_t
;
290 typedef struct sout_duplicate_t sout_duplicate_t
;
291 typedef struct sout_transcode_t sout_transcode_t
;
292 typedef struct sout_chain_t sout_chain_t
;
293 typedef struct streaming_profile_t streaming_profile_t
;
294 typedef struct sout_module_t sout_module_t
;
295 typedef struct sout_gui_descr_t sout_gui_descr_t
;
296 typedef struct profile_parser_t profile_parser_t
;
299 typedef struct decoder_t decoder_t
;
300 typedef struct decoder_sys_t decoder_sys_t
;
301 typedef struct decoder_synchro_t decoder_synchro_t
;
304 typedef struct encoder_t encoder_t
;
305 typedef struct encoder_sys_t encoder_sys_t
;
308 typedef struct filter_t filter_t
;
309 typedef struct filter_sys_t filter_sys_t
;
312 typedef struct network_socket_t network_socket_t
;
313 typedef struct virtual_socket_t v_socket_t
;
314 typedef struct sockaddr sockaddr
;
315 typedef struct addrinfo addrinfo
;
316 typedef struct vlc_acl_t vlc_acl_t
;
317 typedef struct vlc_url_t vlc_url_t
;
320 typedef struct iso639_lang_t iso639_lang_t
;
321 typedef struct device_t device_t
;
322 typedef struct device_probe_t device_probe_t
;
323 typedef struct probe_sys_t probe_sys_t
;
326 typedef struct block_t block_t
;
327 typedef struct block_fifo_t block_fifo_t
;
330 typedef struct httpd_t httpd_t
;
331 typedef struct httpd_host_t httpd_host_t
;
332 typedef struct httpd_url_t httpd_url_t
;
333 typedef struct httpd_client_t httpd_client_t
;
334 typedef struct httpd_callback_sys_t httpd_callback_sys_t
;
335 typedef struct httpd_message_t httpd_message_t
;
336 typedef int (*httpd_callback_t
)( httpd_callback_sys_t
*, httpd_client_t
*, httpd_message_t
*answer
, const httpd_message_t
*query
);
337 typedef struct httpd_file_t httpd_file_t
;
338 typedef struct httpd_file_sys_t httpd_file_sys_t
;
339 typedef int (*httpd_file_callback_t
)( httpd_file_sys_t
*, httpd_file_t
*, uint8_t *psz_request
, uint8_t **pp_data
, int *pi_data
);
340 typedef struct httpd_handler_t httpd_handler_t
;
341 typedef struct httpd_handler_sys_t httpd_handler_sys_t
;
342 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
);
343 typedef struct httpd_redirect_t httpd_redirect_t
;
344 typedef struct httpd_stream_t httpd_stream_t
;
347 typedef struct tls_server_t tls_server_t
;
348 typedef struct tls_session_t tls_session_t
;
351 typedef struct md5_s md5_t
;
354 typedef struct xml_t xml_t
;
355 typedef struct xml_sys_t xml_sys_t
;
356 typedef struct xml_reader_t xml_reader_t
;
357 typedef struct xml_reader_sys_t xml_reader_sys_t
;
360 typedef struct vod_t vod_t
;
361 typedef struct vod_sys_t vod_sys_t
;
362 typedef struct vod_media_t vod_media_t
;
365 typedef struct opengl_t opengl_t
;
366 typedef struct opengl_sys_t opengl_sys_t
;
369 typedef struct osd_menu_t osd_menu_t
;
370 typedef struct osd_state_t osd_state_t
;
371 typedef struct osd_event_t osd_event_t
;
372 typedef struct osd_button_t osd_button_t
;
373 typedef struct osd_menu_state_t osd_menu_state_t
;
376 typedef struct vlm_t vlm_t
;
377 typedef struct vlm_message_t vlm_message_t
;
380 typedef struct vlc_meta_t vlc_meta_t
;
383 typedef struct counter_t counter_t
;
384 typedef struct counter_sample_t counter_sample_t
;
385 typedef struct stats_handler_t stats_handler_t
;
386 typedef struct input_stats_t input_stats_t
;
389 typedef struct update_t update_t
;
390 typedef struct update_iterator_t update_iterator_t
;
393 typedef struct meta_engine_t meta_engine_t
;
395 /* stat/lstat/fstat */
397 #include <sys/stat.h>
401 #define stat _stati64
402 #define fstat _fstati64
405 /* You should otherwise use vlc_stat and vlc_lstat. */
411 * VLC value structure
420 vlc_object_t
* p_object
;
423 struct { int32_t x
; int32_t y
; } coords
;
425 /* Make sure the structure is at least 64bits */
436 vlc_value_t
* p_values
;
442 * \defgroup var_type Variable types
443 * These are the different types a vlc variable can have.
446 #define VLC_VAR_VOID 0x0010
447 #define VLC_VAR_BOOL 0x0020
448 #define VLC_VAR_INTEGER 0x0030
449 #define VLC_VAR_HOTKEY 0x0031
450 #define VLC_VAR_STRING 0x0040
451 #define VLC_VAR_MODULE 0x0041
452 #define VLC_VAR_FILE 0x0042
453 #define VLC_VAR_DIRECTORY 0x0043
454 #define VLC_VAR_VARIABLE 0x0044
455 #define VLC_VAR_FLOAT 0x0050
456 #define VLC_VAR_TIME 0x0060
457 #define VLC_VAR_ADDRESS 0x0070
458 #define VLC_VAR_MUTEX 0x0080
459 #define VLC_VAR_LIST 0x0090
460 #define VLC_VAR_COORDS 0x00A0
463 /*****************************************************************************
464 * Error values (shouldn't be exposed)
465 *****************************************************************************/
466 #define VLC_SUCCESS -0 /* No error */
467 #define VLC_ENOMEM -1 /* Not enough memory */
468 #define VLC_ETIMEOUT -3 /* Timeout */
470 #define VLC_ENOMOD -10 /* Module not found */
472 #define VLC_ENOOBJ -20 /* Object not found */
474 #define VLC_ENOVAR -30 /* Variable not found */
475 #define VLC_EBADVAR -31 /* Bad variable value */
477 #define VLC_ENOITEM -40 /**< Item not found */
479 #define VLC_EEXIT -255 /* Program exited */
480 #define VLC_EEXITSUCCESS -999 /* Program exited successfully */
481 #define VLC_EGENERIC -666 /* Generic error */
483 /*****************************************************************************
485 *****************************************************************************/
486 typedef int ( * vlc_callback_t
) ( vlc_object_t
*, /* variable's object */
487 char const *, /* variable name */
488 vlc_value_t
, /* old value */
489 vlc_value_t
, /* new value */
490 void * ); /* callback data */
492 /*****************************************************************************
494 *****************************************************************************/
497 # define LIBVLC_EXTERN extern "C"
499 # define LIBVLC_EXTERN extern
501 #if defined (WIN32) && defined (DLL_EXPORT)
502 #if defined (UNDER_CE)
505 # define LIBVLC_EXPORT __declspec(dllexport)
507 # define LIBVLC_EXPORT
509 #define VLC_EXPORT( type, name, args ) \
510 LIBVLC_EXTERN LIBVLC_EXPORT type name args
512 /*****************************************************************************
513 * OS-specific headers and thread types
514 *****************************************************************************/
515 #if defined( WIN32 ) || defined( UNDER_CE )
516 # define WIN32_LEAN_AND_MEAN
517 # include <windows.h>
520 #include "vlc_mtime.h"
521 #include "vlc_threads.h"
523 /*****************************************************************************
524 * Common structure members
525 *****************************************************************************/
527 /* VLC_COMMON_MEMBERS : members common to all basic vlc objects */
528 #define VLC_COMMON_MEMBERS \
529 /** \name VLC_COMMON_MEMBERS \
530 * these members are common for all vlc objects \
533 const char *psz_object_type; \
535 /* Messages header */ \
539 /* Object properties */ \
540 volatile bool b_die; /**< set by the outside */ \
541 bool b_force; /**< set by the outside (eg. module_need()) */ \
543 /* Stuff related to the libvlc structure */ \
544 libvlc_int_t *p_libvlc; /**< (root of all evil) - 1 */ \
546 vlc_object_t * p_parent; /**< our parent */ \
550 /* VLC_OBJECT: attempt at doing a clever cast */
551 #if defined( __GNUC__ ) && __GNUC__ > 3
553 # define VLC_OBJECT( x ) \
554 __builtin_choose_expr(__builtin_offsetof(__typeof__(*x), psz_object_type), \
555 (void)0 /* screw you */, (vlc_object_t *)(x))
557 # define VLC_OBJECT( x ) \
558 ((vlc_object_t *)(x) \
559 + 0 * __builtin_offsetof(__typeof__(*x), psz_object_type))
562 # define VLC_OBJECT( x ) ((vlc_object_t *)(x))
565 typedef struct gc_object_t
569 void (*pf_destructor
) (struct gc_object_t
*);
573 * These members are common to all objects that wish to be garbage-collected.
575 #define VLC_GC_MEMBERS gc_object_t vlc_gc_data;
577 VLC_EXPORT(void *, vlc_gc_init
, (gc_object_t
*, void (*)(gc_object_t
*)));
578 VLC_EXPORT(void *, vlc_hold
, (gc_object_t
*));
579 VLC_EXPORT(void, vlc_release
, (gc_object_t
*));
581 #define vlc_gc_init( a,b ) vlc_gc_init( &(a)->vlc_gc_data, (b) )
582 #define vlc_gc_incref( a ) vlc_hold( &(a)->vlc_gc_data )
583 #define vlc_gc_decref( a ) vlc_release( &(a)->vlc_gc_data )
584 #define vlc_priv( gc, t ) ((t *)(((char *)(gc)) - offsetof(t, vlc_gc_data)))
586 /*****************************************************************************
587 * Macros and inline functions
588 *****************************************************************************/
590 /* CEIL: division with round to nearest greater integer */
591 #define CEIL(n, d) ( ((n) / (d)) + ( ((n) % (d)) ? 1 : 0) )
593 /* PAD: PAD(n, d) = CEIL(n ,d) * d */
594 #define PAD(n, d) ( ((n) % (d)) ? ((((n) / (d)) + 1) * (d)) : (n) )
596 /* __MAX and __MIN: self explanatory */
598 # define __MAX(a, b) ( ((a) > (b)) ? (a) : (b) )
601 # define __MIN(a, b) ( ((a) < (b)) ? (a) : (b) )
605 static inline int64_t GCD ( int64_t a
, int64_t b
)
616 /* function imported from libavutil/common.h */
618 static inline uint8_t clip_uint8_vlc( int32_t a
)
620 if( a
&(~255) ) return (-a
)>>31;
624 /* Count leading zeroes */
626 static inline unsigned clz (unsigned x
)
629 return __builtin_clz (x
);
631 unsigned i
= sizeof (x
) * 8;
642 #define clz8( x ) (clz(x) - ((sizeof(unsigned) - sizeof (uint8_t)) * 8))
643 #define clz16( x ) (clz(x) - ((sizeof(unsigned) - sizeof (uint16_t)) * 8))
644 /* XXX: this assumes that int is 32-bits or more */
645 #define clz32( x ) (clz(x) - ((sizeof(unsigned) - sizeof (uint32_t)) * 8))
647 /* Free and set set the variable to NULL */
648 #define FREENULL(a) do { free( a ); a = NULL; } while(0)
650 #define EMPTY_STR(str) (!str || !*str)
652 VLC_EXPORT( char const *, vlc_error
, ( int ) LIBVLC_USED
);
654 #include <vlc_arrays.h>
656 /* MSB (big endian)/LSB (little endian) conversions - network order is always
657 * MSB, and should be used for both network communications and files. */
659 static inline uint16_t U16_AT( const void * _p
)
661 const uint8_t * p
= (const uint8_t *)_p
;
662 return ( ((uint16_t)p
[0] << 8) | p
[1] );
666 static inline uint32_t U32_AT( const void * _p
)
668 const uint8_t * p
= (const uint8_t *)_p
;
669 return ( ((uint32_t)p
[0] << 24) | ((uint32_t)p
[1] << 16)
670 | ((uint32_t)p
[2] << 8) | p
[3] );
674 static inline uint64_t U64_AT( const void * _p
)
676 const uint8_t * p
= (const uint8_t *)_p
;
677 return ( ((uint64_t)p
[0] << 56) | ((uint64_t)p
[1] << 48)
678 | ((uint64_t)p
[2] << 40) | ((uint64_t)p
[3] << 32)
679 | ((uint64_t)p
[4] << 24) | ((uint64_t)p
[5] << 16)
680 | ((uint64_t)p
[6] << 8) | p
[7] );
684 static inline uint16_t GetWLE( const void * _p
)
686 const uint8_t * p
= (const uint8_t *)_p
;
687 return ( ((uint16_t)p
[1] << 8) | p
[0] );
691 static inline uint32_t GetDWLE( const void * _p
)
693 const uint8_t * p
= (const uint8_t *)_p
;
694 return ( ((uint32_t)p
[3] << 24) | ((uint32_t)p
[2] << 16)
695 | ((uint32_t)p
[1] << 8) | p
[0] );
699 static inline uint64_t GetQWLE( const void * _p
)
701 const uint8_t * p
= (const uint8_t *)_p
;
702 return ( ((uint64_t)p
[7] << 56) | ((uint64_t)p
[6] << 48)
703 | ((uint64_t)p
[5] << 40) | ((uint64_t)p
[4] << 32)
704 | ((uint64_t)p
[3] << 24) | ((uint64_t)p
[2] << 16)
705 | ((uint64_t)p
[1] << 8) | p
[0] );
708 #define GetWBE( p ) U16_AT( p )
709 #define GetDWBE( p ) U32_AT( p )
710 #define GetQWBE( p ) U64_AT( p )
712 /* Helper writer functions */
713 #define SetWLE( p, v ) _SetWLE( (uint8_t*)(p), v)
714 static inline void _SetWLE( uint8_t *p
, uint16_t i_dw
)
716 p
[1] = ( i_dw
>> 8 )&0xff;
717 p
[0] = ( i_dw
)&0xff;
720 #define SetDWLE( p, v ) _SetDWLE( (uint8_t*)(p), v)
721 static inline void _SetDWLE( uint8_t *p
, uint32_t i_dw
)
723 p
[3] = ( i_dw
>> 24 )&0xff;
724 p
[2] = ( i_dw
>> 16 )&0xff;
725 p
[1] = ( i_dw
>> 8 )&0xff;
726 p
[0] = ( i_dw
)&0xff;
728 #define SetQWLE( p, v ) _SetQWLE( (uint8_t*)(p), v)
729 static inline void _SetQWLE( uint8_t *p
, uint64_t i_qw
)
731 SetDWLE( p
, i_qw
&0xffffffff );
732 SetDWLE( p
+4, ( i_qw
>> 32)&0xffffffff );
734 #define SetWBE( p, v ) _SetWBE( (uint8_t*)(p), v)
735 static inline void _SetWBE( uint8_t *p
, uint16_t i_dw
)
737 p
[0] = ( i_dw
>> 8 )&0xff;
738 p
[1] = ( i_dw
)&0xff;
741 #define SetDWBE( p, v ) _SetDWBE( (uint8_t*)(p), v)
742 static inline void _SetDWBE( uint8_t *p
, uint32_t i_dw
)
744 p
[0] = ( i_dw
>> 24 )&0xff;
745 p
[1] = ( i_dw
>> 16 )&0xff;
746 p
[2] = ( i_dw
>> 8 )&0xff;
747 p
[3] = ( i_dw
)&0xff;
749 #define SetQWBE( p, v ) _SetQWBE( (uint8_t*)(p), v)
750 static inline void _SetQWBE( uint8_t *p
, uint64_t i_qw
)
752 SetDWBE( p
+4, i_qw
&0xffffffff );
753 SetDWBE( p
, ( i_qw
>> 32)&0xffffffff );
756 #define hton16(i) htons(i)
757 #define hton32(i) htonl(i)
758 #define ntoh16(i) ntohs(i)
759 #define ntoh32(i) ntohl(i)
762 static inline uint64_t ntoh64 (uint64_t ll
)
764 union { uint64_t qw
; uint8_t b
[16]; } v
= { ll
};
765 return ((uint64_t)v
.b
[0] << 56)
766 | ((uint64_t)v
.b
[1] << 48)
767 | ((uint64_t)v
.b
[2] << 40)
768 | ((uint64_t)v
.b
[3] << 32)
769 | ((uint64_t)v
.b
[4] << 24)
770 | ((uint64_t)v
.b
[5] << 16)
771 | ((uint64_t)v
.b
[6] << 8)
772 | ((uint64_t)v
.b
[7] << 0);
774 #define hton64(i) ntoh64(i)
777 #define VLC_UNUSED(x) (void)(x)
779 /* Stuff defined in src/extras/libc.c */
781 #if defined(WIN32) || defined(UNDER_CE)
782 /* win32, cl and icl support */
783 # if defined( _MSC_VER ) || !defined( __MINGW32__ )
784 # define __attribute__(x)
785 # define __inline__ __inline
786 # define S_IFBLK 0x3000 /* Block */
787 # define S_ISBLK(m) (0)
788 # define S_ISCHR(m) (0)
789 # define S_ISFIFO(m) (((m)&_S_IFMT) == _S_IFIFO)
790 # define S_ISREG(m) (((m)&_S_IFMT) == _S_IFREG)
793 /* several type definitions */
794 # if defined( __MINGW32__ )
795 # if !defined( _OFF_T_ )
796 typedef long long _off_t
;
797 typedef _off_t off_t
;
803 # define off_t long long
807 # if defined( _MSC_VER ) && !defined( __WXMSW__ )
808 # if !defined( _OFF_T_DEFINED )
809 typedef __int64 off_t
;
810 # define _OFF_T_DEFINED
812 /* for wx compatibility typedef long off_t; */
813 # define off_t __int64
817 # if defined( __BORLANDC__ )
819 # define off_t unsigned __int64
823 # define O_NONBLOCK 0
827 # define alloca _alloca
833 VLC_EXPORT( bool, vlc_ureduce
, ( unsigned *, unsigned *, uint64_t, uint64_t, uint64_t ) );
835 /* iconv wrappers (defined in src/extras/libc.c) */
836 typedef void *vlc_iconv_t
;
837 VLC_EXPORT( vlc_iconv_t
, vlc_iconv_open
, ( const char *, const char * ) LIBVLC_USED
);
838 VLC_EXPORT( size_t, vlc_iconv
, ( vlc_iconv_t
, const char **, size_t *, char **, size_t * ) LIBVLC_USED
);
839 VLC_EXPORT( int, vlc_iconv_close
, ( vlc_iconv_t
) );
841 /* execve wrapper (defined in src/extras/libc.c) */
842 VLC_EXPORT( int, vlc_execve
, ( vlc_object_t
*p_object
, int i_argc
, char *const *pp_argv
, char *const *pp_env
, const char *psz_cwd
, const char *p_in
, size_t i_in
, char **pp_data
, size_t *pi_data
) LIBVLC_USED
);
843 #define vlc_execve(a,b,c,d,e,f,g,h,i) vlc_execve(VLC_OBJECT(a),b,c,d,e,f,g,h,i)
845 /* dir wrappers (defined in src/extras/libc.c) */
846 VLC_EXPORT(int, vlc_wclosedir
, ( void *_p_dir
));
848 VLC_EXPORT( void, vlc_tdestroy
, ( void *, void (*)(void *) ) );
850 /* Fast large memory copy and memory set */
851 VLC_EXPORT( void *, vlc_memcpy
, ( void *, const void *, size_t ) );
852 VLC_EXPORT( void *, vlc_memset
, ( void *, int, size_t ) );
854 /*****************************************************************************
856 *****************************************************************************/
857 VLC_EXPORT( char *, vlc_gettext
, ( const char *msgid
) LIBVLC_FORMAT_ARG(1) );
860 static inline const char *vlc_pgettext( const char *ctx
, const char *id
)
862 const char *tr
= vlc_gettext( id
);
863 return (tr
== ctx
) ? id
: tr
;
866 /*****************************************************************************
867 * Loosy memory allocation functions. Do not use in new code.
868 *****************************************************************************/
869 static inline void *xmalloc (size_t len
)
871 void *ptr
= malloc (len
);
872 if (unlikely (ptr
== NULL
))
877 static inline void *xrealloc (void *ptr
, size_t len
)
879 void *nptr
= realloc (ptr
, len
);
880 if (unlikely (nptr
== NULL
))
885 /*****************************************************************************
887 *****************************************************************************/
888 VLC_EXPORT( const char *, VLC_Version
, ( void ) LIBVLC_USED
);
889 VLC_EXPORT( const char *, VLC_CompileBy
, ( void ) LIBVLC_USED
);
890 VLC_EXPORT( const char *, VLC_CompileHost
, ( void ) LIBVLC_USED
);
891 VLC_EXPORT( const char *, VLC_Compiler
, ( void ) LIBVLC_USED
);
893 /*****************************************************************************
894 * Additional vlc stuff
895 *****************************************************************************/
896 #include "vlc_messages.h"
897 #include "vlc_objects.h"
898 #include "vlc_variables.h"
899 #include "vlc_modules.h"
900 #include "vlc_main.h"
901 #include "vlc_configuration.h"
903 #if defined( WIN32 ) || defined( UNDER_CE )
904 # define DIR_SEP_CHAR '\\'
905 # define DIR_SEP "\\"
906 # define PATH_SEP_CHAR ';'
907 # define PATH_SEP ";"
909 # define DIR_SEP_CHAR '/'
911 # define PATH_SEP_CHAR ':'
912 # define PATH_SEP ":"
915 #define LICENSE_MSG \
916 _("This program comes with NO WARRANTY, to the extent permitted by " \
917 "law.\nYou may redistribute it under the terms of the GNU General " \
918 "Public License;\nsee the file named COPYING for details.\n" \
919 "Written by the VideoLAN team; see the AUTHORS file.\n")
921 #endif /* !VLC_COMMON_H */