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 # if __GNUC__ > 3 || (__GNUC__ == 3 && (__GNUC_MINOR__ >= 4))
84 # define LIBVLC_USED __attribute__ ((warn_unused_result))
88 # define LIBVLC_MALLOC __attribute__ ((malloc))
90 # define LIBVLC_FORMAT(x,y)
91 # define LIBVLC_FORMAT_ARG(x)
93 # define LIBVLC_MALLOC
96 /* Branch prediction */
98 # define likely(p) __builtin_expect(!!(p), 1)
99 # define unlikely(p) __builtin_expect(!!(p), 0)
101 # define likely(p) (!!(p))
102 # define unlikely(p) (!!(p))
105 /*****************************************************************************
106 * Basic types definitions
107 *****************************************************************************/
108 #if defined( WIN32 ) || defined( UNDER_CE )
111 # define PATH_MAX MAX_PATH
115 /* Counter for statistics and profiling */
116 typedef unsigned long count_t;
119 typedef uint16_t audio_volume_t;
122 * High precision date or time interval
124 * Store a high precision date or time interval. The maximum precision is the
125 * microsecond, and a 64 bits integer is used to avoid overflows (maximum
126 * time interval is then 292271 years, which should be long enough for any
127 * video). Dates are stored as microseconds since a common date (usually the
128 * epoch). Note that date and time intervals can be manipulated using regular
129 * arithmetic operators, and that no special functions are required.
131 typedef int64_t mtime_t;
134 * The vlc_fourcc_t type.
136 * See http://www.webartz.com/fourcc/ for a very detailed list.
138 typedef uint32_t vlc_fourcc_t;
140 #ifdef WORDS_BIGENDIAN
141 # define VLC_FOURCC( a, b, c, d ) \
142 ( ((uint32_t)d) | ( ((uint32_t)c) << 8 ) \
143 | ( ((uint32_t)b) << 16 ) | ( ((uint32_t)a) << 24 ) )
144 # define VLC_TWOCC( a, b ) \
145 ( (uint16_t)(b) | ( (uint16_t)(a) << 8 ) )
148 # define VLC_FOURCC( a, b, c, d ) \
149 ( ((uint32_t)a) | ( ((uint32_t)b) << 8 ) \
150 | ( ((uint32_t)c) << 16 ) | ( ((uint32_t)d) << 24 ) )
151 # define VLC_TWOCC( a, b ) \
152 ( (uint16_t)(a) | ( (uint16_t)(b) << 8 ) )
157 * Translate a vlc_fourcc into its string representation. This function
158 * assumes there is enough room in psz_fourcc to store 4 characters in.
160 * \param fcc a vlc_fourcc_t
161 * \param psz_fourcc string to store string representation of vlc_fourcc in
163 static inline void vlc_fourcc_to_char( vlc_fourcc_t fcc, char *psz_fourcc )
165 memcpy( psz_fourcc, &fcc, 4 );
168 #define vlc_fourcc_to_char( a, b ) \
169 vlc_fourcc_to_char( (vlc_fourcc_t)(a), (char *)(b) )
171 /*****************************************************************************
172 * Classes declaration
173 *****************************************************************************/
176 typedef struct vlc_list_t vlc_list_t;
177 typedef struct vlc_object_t vlc_object_t;
178 typedef struct libvlc_int_t libvlc_int_t;
179 typedef struct date_t date_t;
180 typedef struct dict_entry_t dict_entry_t;
181 typedef struct dict_t dict_t;
190 PLAYLIST_PLAY, /**< No arg. res=can fail*/
191 PLAYLIST_VIEWPLAY, /**< arg1= playlist_item_t*,*/
192 /** arg2 = playlist_item_t* , res=can fail */
193 PLAYLIST_PAUSE, /**< No arg res=can fail*/
194 PLAYLIST_STOP, /**< No arg res=can fail*/
195 PLAYLIST_SKIP, /**< arg1=int, res=can fail*/
196 } playlist_command_t;
199 typedef struct playlist_t playlist_t;
200 typedef struct playlist_item_t playlist_item_t;
201 typedef struct playlist_view_t playlist_view_t;
202 typedef struct services_discovery_t services_discovery_t;
203 typedef struct services_discovery_sys_t services_discovery_sys_t;
204 typedef struct playlist_add_t playlist_add_t;
207 typedef struct module_bank_t module_bank_t;
208 typedef struct module_t module_t;
209 typedef struct module_config_t module_config_t;
210 typedef struct module_symbols_t module_symbols_t;
211 typedef struct module_cache_t module_cache_t;
213 typedef struct config_category_t config_category_t;
216 typedef struct input_thread_t input_thread_t;
217 typedef struct input_thread_sys_t input_thread_sys_t;
218 typedef struct input_item_t input_item_t;
219 typedef struct input_item_node_t input_item_node_t;
220 typedef struct access_t access_t;
221 typedef struct access_sys_t access_sys_t;
222 typedef struct stream_t stream_t;
223 typedef struct stream_sys_t stream_sys_t;
224 typedef struct demux_t demux_t;
225 typedef struct demux_sys_t demux_sys_t;
226 typedef struct es_out_t es_out_t;
227 typedef struct es_out_id_t es_out_id_t;
228 typedef struct es_out_sys_t es_out_sys_t;
229 typedef struct es_descriptor_t es_descriptor_t;
230 typedef struct seekpoint_t seekpoint_t;
231 typedef struct info_t info_t;
232 typedef struct info_category_t info_category_t;
233 typedef struct input_attachment_t input_attachment_t;
236 typedef struct audio_format_t audio_format_t;
237 typedef struct video_format_t video_format_t;
238 typedef struct subs_format_t subs_format_t;
239 typedef struct es_format_t es_format_t;
240 typedef struct video_palette_t video_palette_t;
243 typedef struct aout_instance_t aout_instance_t;
244 typedef struct aout_sys_t aout_sys_t;
245 typedef struct aout_fifo_t aout_fifo_t;
246 typedef struct aout_input_t aout_input_t;
247 typedef struct block_t aout_buffer_t;
248 typedef audio_format_t audio_sample_format_t;
249 typedef struct audio_date_t audio_date_t;
250 typedef struct aout_filter_t aout_filter_t;
253 typedef struct vout_thread_t vout_thread_t;
255 typedef video_format_t video_frame_format_t;
256 typedef struct picture_t picture_t;
257 typedef struct picture_sys_t picture_sys_t;
260 typedef struct spu_t spu_t;
261 typedef struct subpicture_t subpicture_t;
262 typedef struct subpicture_sys_t subpicture_sys_t;
263 typedef struct subpicture_region_t subpicture_region_t;
265 typedef struct image_handler_t image_handler_t;
268 typedef struct sout_instance_t sout_instance_t;
269 typedef struct sout_instance_sys_t sout_instance_sys_t;
271 typedef struct sout_input_t sout_input_t;
272 typedef struct sout_packetizer_input_t sout_packetizer_input_t;
274 typedef struct sout_access_out_t sout_access_out_t;
275 typedef struct sout_access_out_sys_t sout_access_out_sys_t;
277 typedef struct sout_mux_t sout_mux_t;
278 typedef struct sout_mux_sys_t sout_mux_sys_t;
280 typedef struct sout_stream_t sout_stream_t;
281 typedef struct sout_stream_sys_t sout_stream_sys_t;
283 typedef struct config_chain_t config_chain_t;
284 typedef struct session_descriptor_t session_descriptor_t;
285 typedef struct announce_method_t announce_method_t;
287 typedef struct sout_param_t sout_param_t;
288 typedef struct sout_pcat_t sout_pcat_t;
289 typedef struct sout_std_t sout_std_t;
290 typedef struct sout_display_t sout_display_t;
291 typedef struct sout_duplicate_t sout_duplicate_t;
292 typedef struct sout_transcode_t sout_transcode_t;
293 typedef struct sout_chain_t sout_chain_t;
294 typedef struct streaming_profile_t streaming_profile_t;
295 typedef struct sout_module_t sout_module_t;
296 typedef struct sout_gui_descr_t sout_gui_descr_t;
297 typedef struct profile_parser_t profile_parser_t;
300 typedef struct decoder_t decoder_t;
301 typedef struct decoder_sys_t decoder_sys_t;
302 typedef struct decoder_synchro_t decoder_synchro_t;
305 typedef struct encoder_t encoder_t;
306 typedef struct encoder_sys_t encoder_sys_t;
309 typedef struct filter_t filter_t;
310 typedef struct filter_sys_t filter_sys_t;
313 typedef struct network_socket_t network_socket_t;
314 typedef struct virtual_socket_t v_socket_t;
315 typedef struct vlc_acl_t vlc_acl_t;
316 typedef struct vlc_url_t vlc_url_t;
319 typedef struct iso639_lang_t iso639_lang_t;
320 typedef struct device_t device_t;
321 typedef struct device_probe_t device_probe_t;
322 typedef struct probe_sys_t probe_sys_t;
325 typedef struct block_t block_t;
326 typedef struct block_fifo_t block_fifo_t;
329 typedef struct httpd_t httpd_t;
330 typedef struct httpd_host_t httpd_host_t;
331 typedef struct httpd_url_t httpd_url_t;
332 typedef struct httpd_client_t httpd_client_t;
333 typedef struct httpd_callback_sys_t httpd_callback_sys_t;
334 typedef struct httpd_message_t httpd_message_t;
335 typedef int (*httpd_callback_t)( httpd_callback_sys_t *, httpd_client_t *, httpd_message_t *answer, const httpd_message_t *query );
336 typedef struct httpd_file_t httpd_file_t;
337 typedef struct httpd_file_sys_t httpd_file_sys_t;
338 typedef int (*httpd_file_callback_t)( httpd_file_sys_t *, httpd_file_t *, uint8_t *psz_request, uint8_t **pp_data, int *pi_data );
339 typedef struct httpd_handler_t httpd_handler_t;
340 typedef struct httpd_handler_sys_t httpd_handler_sys_t;
341 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 );
342 typedef struct httpd_redirect_t httpd_redirect_t;
343 typedef struct httpd_stream_t httpd_stream_t;
346 typedef struct tls_server_t tls_server_t;
347 typedef struct tls_session_t tls_session_t;
350 typedef struct md5_s md5_t;
353 typedef struct xml_t xml_t;
354 typedef struct xml_sys_t xml_sys_t;
355 typedef struct xml_reader_t xml_reader_t;
356 typedef struct xml_reader_sys_t xml_reader_sys_t;
359 typedef struct vod_t vod_t;
360 typedef struct vod_sys_t vod_sys_t;
361 typedef struct vod_media_t vod_media_t;
364 typedef struct opengl_t opengl_t;
365 typedef struct opengl_sys_t opengl_sys_t;
368 typedef struct osd_menu_t osd_menu_t;
369 typedef struct osd_state_t osd_state_t;
370 typedef struct osd_event_t osd_event_t;
371 typedef struct osd_button_t osd_button_t;
372 typedef struct osd_menu_state_t osd_menu_state_t;
375 typedef struct vlm_t vlm_t;
376 typedef struct vlm_message_t vlm_message_t;
379 typedef struct vlc_meta_t vlc_meta_t;
382 typedef struct counter_t counter_t;
383 typedef struct counter_sample_t counter_sample_t;
384 typedef struct stats_handler_t stats_handler_t;
385 typedef struct input_stats_t input_stats_t;
388 typedef struct update_t update_t;
389 typedef struct update_iterator_t update_iterator_t;
392 typedef struct meta_engine_t meta_engine_t;
394 /* stat/lstat/fstat */
396 #include <sys/stat.h>
400 #define stat _stati64
401 #define fstat _fstati64
404 /* You should otherwise use vlc_stat and vlc_lstat. */
410 * VLC value structure
419 vlc_object_t * p_object;
422 struct { int32_t x; int32_t y; } coords;
432 vlc_value_t * p_values;
438 * \defgroup var_type Variable types
439 * These are the different types a vlc variable can have.
442 #define VLC_VAR_VOID 0x0010
443 #define VLC_VAR_BOOL 0x0020
444 #define VLC_VAR_INTEGER 0x0030
445 #define VLC_VAR_HOTKEY 0x0031
446 #define VLC_VAR_STRING 0x0040
447 #define VLC_VAR_MODULE 0x0041
448 #define VLC_VAR_FILE 0x0042
449 #define VLC_VAR_DIRECTORY 0x0043
450 #define VLC_VAR_VARIABLE 0x0044
451 #define VLC_VAR_FLOAT 0x0050
452 #define VLC_VAR_TIME 0x0060
453 #define VLC_VAR_ADDRESS 0x0070
454 #define VLC_VAR_MUTEX 0x0080
455 #define VLC_VAR_COORDS 0x00A0
458 /*****************************************************************************
459 * Error values (shouldn't be exposed)
460 *****************************************************************************/
461 #define VLC_SUCCESS -0 /* No error */
462 #define VLC_ENOMEM -1 /* Not enough memory */
463 #define VLC_ETIMEOUT -3 /* Timeout */
465 #define VLC_ENOMOD -10 /* Module not found */
467 #define VLC_ENOOBJ -20 /* Object not found */
469 #define VLC_ENOVAR -30 /* Variable not found */
470 #define VLC_EBADVAR -31 /* Bad variable value */
472 #define VLC_ENOITEM -40 /**< Item not found */
474 #define VLC_EEXIT -255 /* Program exited */
475 #define VLC_EEXITSUCCESS -999 /* Program exited successfully */
476 #define VLC_EGENERIC -666 /* Generic error */
478 /*****************************************************************************
480 *****************************************************************************/
481 typedef int ( * vlc_callback_t ) ( vlc_object_t *, /* variable's object */
482 char const *, /* variable name */
483 vlc_value_t, /* old value */
484 vlc_value_t, /* new value */
485 void * ); /* callback data */
487 /*****************************************************************************
489 *****************************************************************************/
492 # define LIBVLC_EXTERN extern "C"
494 # define LIBVLC_EXTERN extern
496 #if defined (WIN32) && defined (DLL_EXPORT)
497 #if defined (UNDER_CE)
500 # define LIBVLC_EXPORT __declspec(dllexport)
502 # define LIBVLC_EXPORT
504 #define VLC_EXPORT( type, name, args ) \
505 LIBVLC_EXTERN LIBVLC_EXPORT type name args
507 /*****************************************************************************
508 * OS-specific headers and thread types
509 *****************************************************************************/
510 #if defined( WIN32 ) || defined( UNDER_CE )
511 # define WIN32_LEAN_AND_MEAN
512 # include <windows.h>
515 #include "vlc_mtime.h"
516 #include "vlc_threads.h"
519 * Memory storage space for an atom. Never access it directly.
523 volatile uintptr_t u;
527 /*****************************************************************************
528 * Common structure members
529 *****************************************************************************/
531 /* VLC_COMMON_MEMBERS : members common to all basic vlc objects */
532 #define VLC_COMMON_MEMBERS \
533 /** \name VLC_COMMON_MEMBERS \
534 * these members are common for all vlc objects \
537 const char *psz_object_type; \
539 /* Messages header */ \
543 /* Object properties */ \
544 volatile bool b_die; /**< set by the outside */ \
545 bool b_force; /**< set by the outside (eg. module_need()) */ \
547 /* Stuff related to the libvlc structure */ \
548 libvlc_int_t *p_libvlc; /**< (root of all evil) - 1 */ \
550 vlc_object_t * p_parent; /**< our parent */ \
554 /* VLC_OBJECT: attempt at doing a clever cast */
555 #if defined( __GNUC__ ) && __GNUC__ > 3
557 # define VLC_OBJECT( x ) \
558 __builtin_choose_expr(__builtin_offsetof(__typeof__(*x), psz_object_type), \
559 (void)0 /* screw you */, (vlc_object_t *)(x))
561 # define VLC_OBJECT( x ) \
562 ((vlc_object_t *)(x) \
563 + 0 * __builtin_offsetof(__typeof__(*x), psz_object_type))
566 # define VLC_OBJECT( x ) ((vlc_object_t *)(x))
569 typedef struct gc_object_t
572 void (*pf_destructor) (struct gc_object_t *);
576 * These members are common to all objects that wish to be garbage-collected.
578 #define VLC_GC_MEMBERS gc_object_t vlc_gc_data;
580 VLC_EXPORT(void *, vlc_gc_init, (gc_object_t *, void (*)(gc_object_t *)));
581 VLC_EXPORT(void *, vlc_hold, (gc_object_t *));
582 VLC_EXPORT(void, vlc_release, (gc_object_t *));
584 #define vlc_gc_init( a,b ) vlc_gc_init( &(a)->vlc_gc_data, (b) )
585 #define vlc_gc_incref( a ) vlc_hold( &(a)->vlc_gc_data )
586 #define vlc_gc_decref( a ) vlc_release( &(a)->vlc_gc_data )
587 #define vlc_priv( gc, t ) ((t *)(((char *)(gc)) - offsetof(t, vlc_gc_data)))
589 /*****************************************************************************
590 * Macros and inline functions
591 *****************************************************************************/
593 /* CEIL: division with round to nearest greater integer */
594 #define CEIL(n, d) ( ((n) / (d)) + ( ((n) % (d)) ? 1 : 0) )
596 /* PAD: PAD(n, d) = CEIL(n ,d) * d */
597 #define PAD(n, d) ( ((n) % (d)) ? ((((n) / (d)) + 1) * (d)) : (n) )
599 /* __MAX and __MIN: self explanatory */
601 # define __MAX(a, b) ( ((a) > (b)) ? (a) : (b) )
604 # define __MIN(a, b) ( ((a) < (b)) ? (a) : (b) )
608 static inline int64_t GCD ( int64_t a, int64_t b )
619 /* function imported from libavutil/common.h */
621 static inline uint8_t clip_uint8_vlc( int32_t a )
623 if( a&(~255) ) return (-a)>>31;
627 /* Count leading zeroes */
629 static inline unsigned clz (unsigned x)
632 return __builtin_clz (x);
634 unsigned i = sizeof (x) * 8;
645 #define clz8( x ) (clz(x) - ((sizeof(unsigned) - sizeof (uint8_t)) * 8))
646 #define clz16( x ) (clz(x) - ((sizeof(unsigned) - sizeof (uint16_t)) * 8))
647 /* XXX: this assumes that int is 32-bits or more */
648 #define clz32( x ) (clz(x) - ((sizeof(unsigned) - sizeof (uint32_t)) * 8))
650 /* Free and set set the variable to NULL */
651 #define FREENULL(a) do { free( a ); a = NULL; } while(0)
653 #define EMPTY_STR(str) (!str || !*str)
655 VLC_EXPORT( char const *, vlc_error, ( int ) LIBVLC_USED );
657 #include <vlc_arrays.h>
659 /* MSB (big endian)/LSB (little endian) conversions - network order is always
660 * MSB, and should be used for both network communications and files. */
662 static inline uint16_t U16_AT( const void * _p )
664 const uint8_t * p = (const uint8_t *)_p;
665 return ( ((uint16_t)p[0] << 8) | p[1] );
669 static inline uint32_t U32_AT( const void * _p )
671 const uint8_t * p = (const uint8_t *)_p;
672 return ( ((uint32_t)p[0] << 24) | ((uint32_t)p[1] << 16)
673 | ((uint32_t)p[2] << 8) | p[3] );
677 static inline uint64_t U64_AT( const void * _p )
679 const uint8_t * p = (const uint8_t *)_p;
680 return ( ((uint64_t)p[0] << 56) | ((uint64_t)p[1] << 48)
681 | ((uint64_t)p[2] << 40) | ((uint64_t)p[3] << 32)
682 | ((uint64_t)p[4] << 24) | ((uint64_t)p[5] << 16)
683 | ((uint64_t)p[6] << 8) | p[7] );
687 static inline uint16_t GetWLE( const void * _p )
689 const uint8_t * p = (const uint8_t *)_p;
690 return ( ((uint16_t)p[1] << 8) | p[0] );
694 static inline uint32_t GetDWLE( const void * _p )
696 const uint8_t * p = (const uint8_t *)_p;
697 return ( ((uint32_t)p[3] << 24) | ((uint32_t)p[2] << 16)
698 | ((uint32_t)p[1] << 8) | p[0] );
702 static inline uint64_t GetQWLE( const void * _p )
704 const uint8_t * p = (const uint8_t *)_p;
705 return ( ((uint64_t)p[7] << 56) | ((uint64_t)p[6] << 48)
706 | ((uint64_t)p[5] << 40) | ((uint64_t)p[4] << 32)
707 | ((uint64_t)p[3] << 24) | ((uint64_t)p[2] << 16)
708 | ((uint64_t)p[1] << 8) | p[0] );
711 #define GetWBE( p ) U16_AT( p )
712 #define GetDWBE( p ) U32_AT( p )
713 #define GetQWBE( p ) U64_AT( p )
715 /* Helper writer functions */
716 #define SetWLE( p, v ) _SetWLE( (uint8_t*)(p), v)
717 static inline void _SetWLE( uint8_t *p, uint16_t i_dw )
719 p[1] = ( i_dw >> 8 )&0xff;
720 p[0] = ( i_dw )&0xff;
723 #define SetDWLE( p, v ) _SetDWLE( (uint8_t*)(p), v)
724 static inline void _SetDWLE( uint8_t *p, uint32_t i_dw )
726 p[3] = ( i_dw >> 24 )&0xff;
727 p[2] = ( i_dw >> 16 )&0xff;
728 p[1] = ( i_dw >> 8 )&0xff;
729 p[0] = ( i_dw )&0xff;
731 #define SetQWLE( p, v ) _SetQWLE( (uint8_t*)(p), v)
732 static inline void _SetQWLE( uint8_t *p, uint64_t i_qw )
734 SetDWLE( p, i_qw&0xffffffff );
735 SetDWLE( p+4, ( i_qw >> 32)&0xffffffff );
737 #define SetWBE( p, v ) _SetWBE( (uint8_t*)(p), v)
738 static inline void _SetWBE( uint8_t *p, uint16_t i_dw )
740 p[0] = ( i_dw >> 8 )&0xff;
741 p[1] = ( i_dw )&0xff;
744 #define SetDWBE( p, v ) _SetDWBE( (uint8_t*)(p), v)
745 static inline void _SetDWBE( uint8_t *p, uint32_t i_dw )
747 p[0] = ( i_dw >> 24 )&0xff;
748 p[1] = ( i_dw >> 16 )&0xff;
749 p[2] = ( i_dw >> 8 )&0xff;
750 p[3] = ( i_dw )&0xff;
752 #define SetQWBE( p, v ) _SetQWBE( (uint8_t*)(p), v)
753 static inline void _SetQWBE( uint8_t *p, uint64_t i_qw )
755 SetDWBE( p+4, i_qw&0xffffffff );
756 SetDWBE( p, ( i_qw >> 32)&0xffffffff );
759 #define hton16(i) htons(i)
760 #define hton32(i) htonl(i)
761 #define ntoh16(i) ntohs(i)
762 #define ntoh32(i) ntohl(i)
765 static inline uint64_t ntoh64 (uint64_t ll)
767 union { uint64_t qw; uint8_t b[16]; } v = { ll };
768 return ((uint64_t)v.b[0] << 56)
769 | ((uint64_t)v.b[1] << 48)
770 | ((uint64_t)v.b[2] << 40)
771 | ((uint64_t)v.b[3] << 32)
772 | ((uint64_t)v.b[4] << 24)
773 | ((uint64_t)v.b[5] << 16)
774 | ((uint64_t)v.b[6] << 8)
775 | ((uint64_t)v.b[7] << 0);
777 #define hton64(i) ntoh64(i)
780 #define VLC_UNUSED(x) (void)(x)
782 /* Stuff defined in src/extras/libc.c */
784 #if defined(WIN32) || defined(UNDER_CE)
785 /* win32, cl and icl support */
786 # if defined( _MSC_VER ) || !defined( __MINGW32__ )
787 # define __attribute__(x)
788 # define __inline__ __inline
789 # define S_IFBLK 0x3000 /* Block */
790 # define S_ISBLK(m) (0)
791 # define S_ISCHR(m) (0)
792 # define S_ISFIFO(m) (((m)&_S_IFMT) == _S_IFIFO)
793 # define S_ISREG(m) (((m)&_S_IFMT) == _S_IFREG)
796 /* several type definitions */
797 # if defined( __MINGW32__ )
798 # if !defined( _OFF_T_ )
799 typedef long long _off_t;
800 typedef _off_t off_t;
806 # define off_t long long
810 # if defined( _MSC_VER ) && !defined( __WXMSW__ )
811 # if !defined( _OFF_T_DEFINED )
812 typedef __int64 off_t;
813 # define _OFF_T_DEFINED
815 /* for wx compatibility typedef long off_t; */
816 # define off_t __int64
820 # if defined( __BORLANDC__ )
822 # define off_t unsigned __int64
826 # define O_NONBLOCK 0
830 # define alloca _alloca
836 VLC_EXPORT( bool, vlc_ureduce, ( unsigned *, unsigned *, uint64_t, uint64_t, uint64_t ) );
838 VLC_EXPORT( void *, vlc_memalign, ( void **base, size_t alignment, size_t size ) LIBVLC_USED );
840 /* execve wrapper (defined in src/extras/libc.c) */
841 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 );
842 #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)
844 VLC_EXPORT( void, vlc_tdestroy, ( void *, void (*)(void *) ) );
846 /* Fast large memory copy and memory set */
847 VLC_EXPORT( void *, vlc_memcpy, ( void *, const void *, size_t ) );
848 VLC_EXPORT( void *, vlc_memset, ( void *, int, size_t ) );
850 /*****************************************************************************
852 *****************************************************************************/
853 VLC_EXPORT( char *, vlc_gettext, ( const char *msgid ) LIBVLC_FORMAT_ARG(1) );
855 #define vlc_pgettext( ctx, id ) \
856 vlc_pgettext_aux( ctx "\004" id, id )
859 static inline const char *vlc_pgettext_aux( const char *ctx, const char *id )
861 const char *tr = vlc_gettext( ctx );
862 return (tr == ctx) ? id : tr;
865 /*****************************************************************************
866 * Loosy memory allocation functions. Do not use in new code.
867 *****************************************************************************/
868 static inline void *xmalloc (size_t len)
870 void *ptr = malloc (len);
871 if (unlikely (ptr == NULL))
876 static inline void *xrealloc (void *ptr, size_t len)
878 void *nptr = realloc (ptr, len);
879 if (unlikely (nptr == NULL))
884 /*****************************************************************************
886 *****************************************************************************/
887 VLC_EXPORT( const char *, VLC_Version, ( void ) LIBVLC_USED );
888 VLC_EXPORT( const char *, VLC_CompileBy, ( void ) LIBVLC_USED );
889 VLC_EXPORT( const char *, VLC_CompileHost, ( void ) LIBVLC_USED );
890 VLC_EXPORT( const char *, VLC_Compiler, ( void ) LIBVLC_USED );
892 /*****************************************************************************
893 * Additional vlc stuff
894 *****************************************************************************/
895 #include "vlc_messages.h"
896 #include "vlc_objects.h"
897 #include "vlc_variables.h"
898 #include "vlc_main.h"
899 #include "vlc_configuration.h"
901 #if defined( WIN32 ) || defined( UNDER_CE )
902 # define DIR_SEP_CHAR '\\'
903 # define DIR_SEP "\\"
904 # define PATH_SEP_CHAR ';'
905 # define PATH_SEP ";"
907 # define DIR_SEP_CHAR '/'
909 # define PATH_SEP_CHAR ':'
910 # define PATH_SEP ":"
913 #define LICENSE_MSG \
914 _("This program comes with NO WARRANTY, to the extent permitted by " \
915 "law.\nYou may redistribute it under the terms of the GNU General " \
916 "Public License;\nsee the file named COPYING for details.\n" \
917 "Written by the VideoLAN team; see the AUTHORS file.\n")
919 #endif /* !VLC_COMMON_H */