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 *****************************************************************************/
58 /*****************************************************************************
59 * Basic types definitions
60 *****************************************************************************/
61 #if defined( WIN32 ) || defined( UNDER_CE )
64 # define PATH_MAX MAX_PATH
68 /* Counter for statistics and profiling */
69 typedef unsigned long count_t;
72 typedef uint16_t audio_volume_t;
75 * High precision date or time interval
77 * Store a high precision date or time interval. The maximum precision is the
78 * microsecond, and a 64 bits integer is used to avoid overflows (maximum
79 * time interval is then 292271 years, which should be long enough for any
80 * video). Dates are stored as microseconds since a common date (usually the
81 * epoch). Note that date and time intervals can be manipulated using regular
82 * arithmetic operators, and that no special functions are required.
84 typedef int64_t mtime_t;
87 * The vlc_fourcc_t type.
89 * See http://www.webartz.com/fourcc/ for a very detailed list.
91 typedef uint32_t vlc_fourcc_t;
93 #ifdef WORDS_BIGENDIAN
94 # define VLC_FOURCC( a, b, c, d ) \
95 ( ((uint32_t)d) | ( ((uint32_t)c) << 8 ) \
96 | ( ((uint32_t)b) << 16 ) | ( ((uint32_t)a) << 24 ) )
97 # define VLC_TWOCC( a, b ) \
98 ( (uint16_t)(b) | ( (uint16_t)(a) << 8 ) )
101 # define VLC_FOURCC( a, b, c, d ) \
102 ( ((uint32_t)a) | ( ((uint32_t)b) << 8 ) \
103 | ( ((uint32_t)c) << 16 ) | ( ((uint32_t)d) << 24 ) )
104 # define VLC_TWOCC( a, b ) \
105 ( (uint16_t)(a) | ( (uint16_t)(b) << 8 ) )
110 * Translate a vlc_fourcc into its string representation. This function
111 * assumes there is enough room in psz_fourcc to store 4 characters in.
113 * \param fcc a vlc_fourcc_t
114 * \param psz_fourcc string to store string representation of vlc_fourcc in
116 static inline void __vlc_fourcc_to_char( vlc_fourcc_t fcc, char *psz_fourcc )
118 memcpy( psz_fourcc, &fcc, 4 );
121 #define vlc_fourcc_to_char( a, b ) \
122 __vlc_fourcc_to_char( (vlc_fourcc_t)(a), (char *)(b) )
124 /*****************************************************************************
125 * Classes declaration
126 *****************************************************************************/
129 typedef struct vlc_list_t vlc_list_t;
130 typedef struct vlc_object_t vlc_object_t;
131 typedef struct libvlc_int_t libvlc_int_t;
132 typedef struct variable_t variable_t;
133 typedef struct date_t date_t;
134 typedef struct dict_entry_t dict_entry_t;
135 typedef struct dict_t dict_t;
136 typedef struct gc_object_t gc_object_t ;
139 typedef struct msg_subscription_t msg_subscription_t;
148 PLAYLIST_PLAY, /**< No arg. res=can fail*/
149 PLAYLIST_VIEWPLAY, /**< arg1= playlist_item_t*,*/
150 /** arg2 = playlist_item_t* , res=can fail */
151 PLAYLIST_PAUSE, /**< No arg res=can fail*/
152 PLAYLIST_STOP, /**< No arg res=can fail*/
153 PLAYLIST_SKIP, /**< arg1=int, res=can fail*/
154 } playlist_command_t;
157 typedef struct playlist_t playlist_t;
158 typedef struct playlist_item_t playlist_item_t;
159 typedef struct playlist_view_t playlist_view_t;
160 typedef struct playlist_export_t playlist_export_t;
161 typedef struct services_discovery_t services_discovery_t;
162 typedef struct services_discovery_sys_t services_discovery_sys_t;
163 typedef struct playlist_add_t playlist_add_t;
164 typedef struct playlist_preparse_t playlist_preparse_t;
165 typedef struct playlist_fetcher_t playlist_fetcher_t;
168 typedef struct module_bank_t module_bank_t;
169 typedef struct module_t module_t;
170 typedef struct module_config_t module_config_t;
171 typedef struct module_symbols_t module_symbols_t;
172 typedef struct module_cache_t module_cache_t;
174 typedef struct config_category_t config_category_t;
177 typedef struct intf_thread_t intf_thread_t;
178 typedef struct intf_sys_t intf_sys_t;
179 typedef struct intf_console_t intf_console_t;
180 typedef struct intf_msg_t intf_msg_t;
181 typedef struct interaction_t interaction_t;
182 typedef struct interaction_dialog_t interaction_dialog_t;
183 typedef struct user_widget_t user_widget_t;
186 typedef struct input_thread_t input_thread_t;
187 typedef struct input_thread_sys_t input_thread_sys_t;
188 typedef struct input_item_t input_item_t;
189 typedef struct access_t access_t;
190 typedef struct access_sys_t access_sys_t;
191 typedef struct stream_t stream_t;
192 typedef struct stream_sys_t stream_sys_t;
193 typedef struct demux_t demux_t;
194 typedef struct demux_meta_t demux_meta_t;
195 typedef struct demux_sys_t demux_sys_t;
196 typedef struct es_out_t es_out_t;
197 typedef struct es_out_id_t es_out_id_t;
198 typedef struct es_out_sys_t es_out_sys_t;
199 typedef struct es_descriptor_t es_descriptor_t;
200 typedef struct seekpoint_t seekpoint_t;
201 typedef struct info_t info_t;
202 typedef struct info_category_t info_category_t;
203 typedef struct input_attachment_t input_attachment_t;
206 typedef struct audio_format_t audio_format_t;
207 typedef struct video_format_t video_format_t;
208 typedef struct subs_format_t subs_format_t;
209 typedef struct es_format_t es_format_t;
210 typedef struct video_palette_t video_palette_t;
213 typedef struct aout_instance_t aout_instance_t;
214 typedef struct aout_sys_t aout_sys_t;
215 typedef struct aout_fifo_t aout_fifo_t;
216 typedef struct aout_input_t aout_input_t;
217 typedef struct aout_buffer_t aout_buffer_t;
218 typedef audio_format_t audio_sample_format_t;
219 typedef struct audio_date_t audio_date_t;
220 typedef struct aout_filter_t aout_filter_t;
223 typedef struct vout_thread_t vout_thread_t;
224 typedef struct vout_sys_t vout_sys_t;
226 typedef video_format_t video_frame_format_t;
227 typedef struct picture_t picture_t;
228 typedef struct picture_sys_t picture_sys_t;
229 typedef struct picture_heap_t picture_heap_t;
232 typedef struct spu_t spu_t;
233 typedef struct subpicture_t subpicture_t;
234 typedef struct subpicture_sys_t subpicture_sys_t;
235 typedef struct subpicture_region_t subpicture_region_t;
236 typedef struct text_style_t text_style_t;
238 typedef struct image_handler_t image_handler_t;
241 typedef struct sout_instance_t sout_instance_t;
242 typedef struct sout_instance_sys_t sout_instance_sys_t;
244 typedef struct sout_input_t sout_input_t;
245 typedef struct sout_packetizer_input_t sout_packetizer_input_t;
247 typedef struct sout_access_out_t sout_access_out_t;
248 typedef struct sout_access_out_sys_t sout_access_out_sys_t;
250 typedef struct sout_mux_t sout_mux_t;
251 typedef struct sout_mux_sys_t sout_mux_sys_t;
253 typedef struct sout_stream_t sout_stream_t;
254 typedef struct sout_stream_sys_t sout_stream_sys_t;
256 typedef struct config_chain_t config_chain_t;
257 typedef struct sap_session_t sap_session_t;
258 typedef struct sap_address_t sap_address_t;
259 typedef struct session_descriptor_t session_descriptor_t;
260 typedef struct announce_method_t announce_method_t;
261 typedef struct announce_handler_t announce_handler_t;
262 typedef struct sap_handler_t sap_handler_t;
264 typedef struct sout_param_t sout_param_t;
265 typedef struct sout_pcat_t sout_pcat_t;
266 typedef struct sout_std_t sout_std_t;
267 typedef struct sout_display_t sout_display_t;
268 typedef struct sout_duplicate_t sout_duplicate_t;
269 typedef struct sout_transcode_t sout_transcode_t;
270 typedef struct sout_chain_t sout_chain_t;
271 typedef struct streaming_profile_t streaming_profile_t;
272 typedef struct sout_module_t sout_module_t;
273 typedef struct sout_gui_descr_t sout_gui_descr_t;
274 typedef struct profile_parser_t profile_parser_t;
277 typedef struct decoder_t decoder_t;
278 typedef struct decoder_sys_t decoder_sys_t;
279 typedef struct decoder_synchro_t decoder_synchro_t;
282 typedef struct encoder_t encoder_t;
283 typedef struct encoder_sys_t encoder_sys_t;
286 typedef struct filter_t filter_t;
287 typedef struct filter_sys_t filter_sys_t;
290 typedef struct network_socket_t network_socket_t;
291 typedef struct virtual_socket_t v_socket_t;
292 typedef struct sockaddr sockaddr;
293 typedef struct addrinfo addrinfo;
294 typedef struct vlc_acl_t vlc_acl_t;
295 typedef struct vlc_url_t vlc_url_t;
298 typedef struct iso639_lang_t iso639_lang_t;
299 typedef struct device_t device_t;
300 typedef struct device_probe_t device_probe_t;
301 typedef struct probe_sys_t probe_sys_t;
304 typedef struct block_t block_t;
305 typedef struct block_fifo_t block_fifo_t;
308 typedef struct httpd_t httpd_t;
309 typedef struct httpd_host_t httpd_host_t;
310 typedef struct httpd_url_t httpd_url_t;
311 typedef struct httpd_client_t httpd_client_t;
312 typedef struct httpd_callback_sys_t httpd_callback_sys_t;
313 typedef struct httpd_message_t httpd_message_t;
314 typedef int (*httpd_callback_t)( httpd_callback_sys_t *, httpd_client_t *, httpd_message_t *answer, const httpd_message_t *query );
315 typedef struct httpd_file_t httpd_file_t;
316 typedef struct httpd_file_sys_t httpd_file_sys_t;
317 typedef int (*httpd_file_callback_t)( httpd_file_sys_t *, httpd_file_t *, uint8_t *psz_request, uint8_t **pp_data, int *pi_data );
318 typedef struct httpd_handler_t httpd_handler_t;
319 typedef struct httpd_handler_sys_t httpd_handler_sys_t;
320 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 );
321 typedef struct httpd_redirect_t httpd_redirect_t;
322 typedef struct httpd_stream_t httpd_stream_t;
325 typedef struct tls_server_t tls_server_t;
326 typedef struct tls_session_t tls_session_t;
329 typedef struct md5_s md5_t;
332 typedef struct xml_t xml_t;
333 typedef struct xml_sys_t xml_sys_t;
334 typedef struct xml_reader_t xml_reader_t;
335 typedef struct xml_reader_sys_t xml_reader_sys_t;
338 typedef struct vod_t vod_t;
339 typedef struct vod_sys_t vod_sys_t;
340 typedef struct vod_media_t vod_media_t;
343 typedef struct opengl_t opengl_t;
344 typedef struct opengl_sys_t opengl_sys_t;
347 typedef struct osd_menu_t osd_menu_t;
348 typedef struct osd_state_t osd_state_t;
349 typedef struct osd_event_t osd_event_t;
350 typedef struct osd_button_t osd_button_t;
351 typedef struct osd_menu_state_t osd_menu_state_t;
354 typedef struct vlm_t vlm_t;
355 typedef struct vlm_message_t vlm_message_t;
358 typedef struct vlc_meta_t vlc_meta_t;
359 typedef struct meta_export_t meta_export_t;
362 typedef struct counter_t counter_t;
363 typedef struct counter_sample_t counter_sample_t;
364 typedef struct stats_handler_t stats_handler_t;
365 typedef struct input_stats_t input_stats_t;
366 typedef struct global_stats_t global_stats_t;
369 typedef struct update_t update_t;
370 typedef struct update_iterator_t update_iterator_t;
373 typedef struct meta_engine_t meta_engine_t;
375 /* stat/lstat/fstat */
377 #include <sys/stat.h>
379 #define stat _stati64
380 #define fstat _fstati64
381 /* You should otherwise use utf8_stat and utf8_lstat. */
387 * VLC value structure
396 vlc_object_t * p_object;
400 struct { char *psz_name; int i_object_id; } var;
402 /* Make sure the structure is at least 64bits */
403 struct { char a, b, c, d, e, f, g, h; } padding;
413 vlc_value_t * p_values;
419 * \defgroup var_type Variable types
420 * These are the different types a vlc variable can have.
423 #define VLC_VAR_VOID 0x0010
424 #define VLC_VAR_BOOL 0x0020
425 #define VLC_VAR_INTEGER 0x0030
426 #define VLC_VAR_HOTKEY 0x0031
427 #define VLC_VAR_STRING 0x0040
428 #define VLC_VAR_MODULE 0x0041
429 #define VLC_VAR_FILE 0x0042
430 #define VLC_VAR_DIRECTORY 0x0043
431 #define VLC_VAR_VARIABLE 0x0044
432 #define VLC_VAR_FLOAT 0x0050
433 #define VLC_VAR_TIME 0x0060
434 #define VLC_VAR_ADDRESS 0x0070
435 #define VLC_VAR_MUTEX 0x0080
436 #define VLC_VAR_LIST 0x0090
439 /*****************************************************************************
440 * Error values (shouldn't be exposed)
441 *****************************************************************************/
442 #define VLC_SUCCESS -0 /* No error */
443 #define VLC_ENOMEM -1 /* Not enough memory */
444 #define VLC_ETHREAD -2 /* Thread error */
445 #define VLC_ETIMEOUT -3 /* Timeout */
447 #define VLC_ENOMOD -10 /* Module not found */
449 #define VLC_ENOOBJ -20 /* Object not found */
451 #define VLC_ENOVAR -30 /* Variable not found */
452 #define VLC_EBADVAR -31 /* Bad variable value */
454 #define VLC_ENOITEM -40 /**< Item not found */
456 #define VLC_EEXIT -255 /* Program exited */
457 #define VLC_EEXITSUCCESS -999 /* Program exited successfully */
458 #define VLC_EGENERIC -666 /* Generic error */
460 /*****************************************************************************
462 *****************************************************************************/
463 typedef int ( * vlc_callback_t ) ( vlc_object_t *, /* variable's object */
464 char const *, /* variable name */
465 vlc_value_t, /* old value */
466 vlc_value_t, /* new value */
467 void * ); /* callback data */
469 /*****************************************************************************
471 *****************************************************************************/
474 # define LIBVLC_EXTERN extern "C"
476 # define LIBVLC_EXTERN extern
478 #if defined (WIN32) && defined (DLL_EXPORT)
479 # define LIBVLC_EXPORT __declspec(dllexport)
481 # define LIBVLC_EXPORT
483 #define VLC_EXPORT( type, name, args ) \
484 LIBVLC_EXTERN LIBVLC_EXPORT type name args
486 /*****************************************************************************
487 * OS-specific headers and thread types
488 *****************************************************************************/
489 #if defined( WIN32 ) || defined( UNDER_CE )
490 # define WIN32_LEAN_AND_MEAN
491 # include <windows.h>
492 # if defined( UNDER_CE )
495 # define IS_WINNT ( GetVersion() < 0x80000000 )
499 #include "vlc_mtime.h"
500 #include "vlc_threads.h"
502 typedef struct vlc_object_internals_t vlc_object_internals_t;
504 /*****************************************************************************
505 * Common structure members
506 *****************************************************************************/
508 /* VLC_COMMON_MEMBERS : members common to all basic vlc objects */
509 #define VLC_COMMON_MEMBERS \
510 /** \name VLC_COMMON_MEMBERS \
511 * these members are common for all vlc objects \
516 const char *psz_object_type; \
517 char *psz_object_name; \
519 /* Messages header */ \
523 /* Object properties */ \
524 volatile bool b_error; /**< set by the object */ \
525 volatile bool b_die; /**< set by the outside */ \
526 volatile bool b_dead; /**< set by the object */ \
527 bool b_force; /**< set by the outside (eg. module_Need()) */ \
529 /* Stuff related to the libvlc structure */ \
530 libvlc_int_t *p_libvlc; /**< (root of all evil) - 1 */ \
532 vlc_object_t * p_parent; /**< our parent */ \
537 /** Just a reminder so that people don't cast garbage */ \
538 int be_sure_to_add_VLC_COMMON_MEMBERS_to_struct; \
541 /* VLC_OBJECT: attempt at doing a clever cast */
543 # define VLC_OBJECT( x ) \
544 (((vlc_object_t *)(x))+0*(((typeof(x))0)->be_sure_to_add_VLC_COMMON_MEMBERS_to_struct))
546 # define VLC_OBJECT( x ) ((vlc_object_t *)(x))
549 #define VLC_GC_MEMBERS \
550 /** \name VLC_GC_MEMBERS \
551 * these members are common to all objects that wish to be garbage-collected \
555 void (*pf_destructor) ( gc_object_t * ); \
556 void *p_destructor_arg; \
564 VLC_EXPORT(void, __vlc_gc_incref, ( gc_object_t * p_gc ));
565 VLC_EXPORT(void, __vlc_gc_decref, ( gc_object_t * p_gc ));
566 VLC_EXPORT(void, __vlc_gc_init, ( gc_object_t * p_gc,
567 void (*pf_destructor)( gc_object_t * ), void * arg));
569 #define vlc_gc_incref( a ) __vlc_gc_incref( (gc_object_t *)a )
570 #define vlc_gc_decref( a ) __vlc_gc_decref( (gc_object_t *)a )
571 #define vlc_gc_init( a,b,c ) __vlc_gc_init( (gc_object_t *)a,b,c )
574 /*****************************************************************************
575 * Macros and inline functions
576 *****************************************************************************/
578 /* CEIL: division with round to nearest greater integer */
579 #define CEIL(n, d) ( ((n) / (d)) + ( ((n) % (d)) ? 1 : 0) )
581 /* PAD: PAD(n, d) = CEIL(n ,d) * d */
582 #define PAD(n, d) ( ((n) % (d)) ? ((((n) / (d)) + 1) * (d)) : (n) )
584 /* __MAX and __MIN: self explanatory */
586 # define __MAX(a, b) ( ((a) > (b)) ? (a) : (b) )
589 # define __MIN(a, b) ( ((a) < (b)) ? (a) : (b) )
592 static inline int64_t GCD( int64_t a, int64_t b )
603 /* function imported from libavutil/common.h */
604 static inline uint8_t clip_uint8_vlc( int32_t a )
606 if( a&(~255) ) return (-a)>>31;
610 /* Malloc with automatic error */
611 #define MALLOC_VOID( var, type ) do { var = (type*)malloc( sizeof( type) ); \
612 if( !var ) return; } while(0)
613 #define MALLOC_NULL( var, type ) do { var = (type*)malloc( sizeof( type) ); \
614 if( !var ) return NULL; } while(0)
615 #define MALLOC_ERR( var, type ) do { var = (type*)malloc( sizeof( type) ); \
616 if( !var ) return VLC_ENOMEM; } while(0)
617 #define MALLOC_GOTOERR( var, type ) do { var = (type*)malloc( sizeof( type) ); \
618 if( !var ) goto error; } while(0)
619 #define DECMALLOC_VOID( var, type ) type* var = (type*)malloc( sizeof(type) );\
621 #define DECMALLOC_ERR( var, type ) type* var = (type*)malloc( sizeof(type) );\
622 if( !var ) return VLC_ENOMEM;
623 #define DECMALLOC_NULL( var, type ) type* var = (type*)malloc( sizeof(type) );\
624 if( !var ) return NULL;
626 #define FREENULL(a) do { free( a ); a = NULL; } while(0)
628 #define EMPTY_STR(str) (!str || !*str)
630 VLC_EXPORT( char const *, vlc_error, ( int ) );
632 #include <vlc_arrays.h>
634 /* MSB (big endian)/LSB (little endian) conversions - network order is always
635 * MSB, and should be used for both network communications and files. */
636 static inline uint16_t U16_AT( const void * _p )
638 const uint8_t * p = (const uint8_t *)_p;
639 return ( ((uint16_t)p[0] << 8) | p[1] );
641 static inline uint32_t U32_AT( const void * _p )
643 const uint8_t * p = (const uint8_t *)_p;
644 return ( ((uint32_t)p[0] << 24) | ((uint32_t)p[1] << 16)
645 | ((uint32_t)p[2] << 8) | p[3] );
647 static inline uint64_t U64_AT( const void * _p )
649 const uint8_t * p = (const uint8_t *)_p;
650 return ( ((uint64_t)p[0] << 56) | ((uint64_t)p[1] << 48)
651 | ((uint64_t)p[2] << 40) | ((uint64_t)p[3] << 32)
652 | ((uint64_t)p[4] << 24) | ((uint64_t)p[5] << 16)
653 | ((uint64_t)p[6] << 8) | p[7] );
656 static inline uint16_t GetWLE( const void * _p )
658 const uint8_t * p = (const uint8_t *)_p;
659 return ( ((uint16_t)p[1] << 8) | p[0] );
661 static inline uint32_t GetDWLE( const void * _p )
663 const uint8_t * p = (const uint8_t *)_p;
664 return ( ((uint32_t)p[3] << 24) | ((uint32_t)p[2] << 16)
665 | ((uint32_t)p[1] << 8) | p[0] );
667 static inline uint64_t GetQWLE( const void * _p )
669 const uint8_t * p = (const uint8_t *)_p;
670 return ( ((uint64_t)p[7] << 56) | ((uint64_t)p[6] << 48)
671 | ((uint64_t)p[5] << 40) | ((uint64_t)p[4] << 32)
672 | ((uint64_t)p[3] << 24) | ((uint64_t)p[2] << 16)
673 | ((uint64_t)p[1] << 8) | p[0] );
676 #define GetWBE( p ) U16_AT( p )
677 #define GetDWBE( p ) U32_AT( p )
678 #define GetQWBE( p ) U64_AT( p )
680 /* Helper writer functions */
681 #define SetWLE( p, v ) _SetWLE( (uint8_t*)(p), v)
682 static inline void _SetWLE( uint8_t *p, uint16_t i_dw )
684 p[1] = ( i_dw >> 8 )&0xff;
685 p[0] = ( i_dw )&0xff;
688 #define SetDWLE( p, v ) _SetDWLE( (uint8_t*)(p), v)
689 static inline void _SetDWLE( uint8_t *p, uint32_t i_dw )
691 p[3] = ( i_dw >> 24 )&0xff;
692 p[2] = ( i_dw >> 16 )&0xff;
693 p[1] = ( i_dw >> 8 )&0xff;
694 p[0] = ( i_dw )&0xff;
696 #define SetQWLE( p, v ) _SetQWLE( (uint8_t*)(p), v)
697 static inline void _SetQWLE( uint8_t *p, uint64_t i_qw )
699 SetDWLE( p, i_qw&0xffffffff );
700 SetDWLE( p+4, ( i_qw >> 32)&0xffffffff );
702 #define SetWBE( p, v ) _SetWBE( (uint8_t*)(p), v)
703 static inline void _SetWBE( uint8_t *p, uint16_t i_dw )
705 p[0] = ( i_dw >> 8 )&0xff;
706 p[1] = ( i_dw )&0xff;
709 #define SetDWBE( p, v ) _SetDWBE( (uint8_t*)(p), v)
710 static inline void _SetDWBE( uint8_t *p, uint32_t i_dw )
712 p[0] = ( i_dw >> 24 )&0xff;
713 p[1] = ( i_dw >> 16 )&0xff;
714 p[2] = ( i_dw >> 8 )&0xff;
715 p[3] = ( i_dw )&0xff;
717 #define SetQWBE( p, v ) _SetQWBE( (uint8_t*)(p), v)
718 static inline void _SetQWBE( uint8_t *p, uint64_t i_qw )
720 SetDWBE( p+4, i_qw&0xffffffff );
721 SetDWBE( p, ( i_qw >> 32)&0xffffffff );
724 #define hton16(i) htons(i)
725 #define hton32(i) htonl(i)
726 #define ntoh16(i) ntohs(i)
727 #define ntoh32(i) ntohl(i)
729 static inline uint64_t ntoh64 (uint64_t ll)
731 union { uint64_t qw; uint8_t b[16]; } v = { ll };
732 return ((uint64_t)v.b[0] << 56)
733 | ((uint64_t)v.b[1] << 48)
734 | ((uint64_t)v.b[2] << 40)
735 | ((uint64_t)v.b[3] << 32)
736 | ((uint64_t)v.b[4] << 24)
737 | ((uint64_t)v.b[5] << 16)
738 | ((uint64_t)v.b[6] << 8)
739 | ((uint64_t)v.b[7] << 0);
741 #define hton64(i) ntoh64(i)
743 /* Format string sanity checks */
745 # define LIBVLC_FORMAT(x,y) __attribute__ ((format(printf,x,y)))
747 # define LIBVLC_FORMAT(x,y)
751 #define VLC_UNUSED(x) (void)(x)
753 /* Stuff defined in src/extras/libc.c */
754 VLC_EXPORT( size_t, vlc_strlcpy, ( char *, const char *, size_t ) );
755 VLC_EXPORT( long long, vlc_strtoll, ( const char *nptr, char **endptr, int base ) );
757 VLC_EXPORT( char *, vlc_strcasestr, ( const char *s1, const char *s2 ) );
758 char *vlc_strsep( char **, const char * );
760 #if defined(WIN32) || defined(UNDER_CE)
761 /* win32, cl and icl support */
762 # if defined( _MSC_VER ) || !defined( __MINGW32__ )
763 # define __attribute__(x)
764 # define __inline__ __inline
765 # define S_IFBLK 0x3000 /* Block */
766 # define S_ISBLK(m) (0)
767 # define S_ISCHR(m) (0)
768 # define S_ISFIFO(m) (((m)&_S_IFMT) == _S_IFIFO)
769 # define S_ISREG(m) (((m)&_S_IFMT) == _S_IFREG)
772 /* several type definitions */
773 # if defined( __MINGW32__ )
774 # if !defined( _OFF_T_ )
775 typedef long long _off_t;
776 typedef _off_t off_t;
782 # define off_t long long
786 # if defined( _MSC_VER ) && !defined( __WXMSW__ )
787 # if !defined( _OFF_T_DEFINED )
788 typedef __int64 off_t;
789 # define _OFF_T_DEFINED
791 /* for wx compatibility typedef long off_t; */
792 # define off_t __int64
796 # if defined( __BORLANDC__ )
798 # define off_t unsigned __int64
802 # define O_NONBLOCK 0
806 # define alloca _alloca
809 /* These two are not defined in mingw32 (bug?) */
811 # define snprintf _snprintf
814 # define vsnprintf _vsnprintf
820 VLC_EXPORT( bool, vlc_ureduce, ( unsigned *, unsigned *, uint64_t, uint64_t, uint64_t ) );
822 /* vlc_wraptext (defined in src/extras/libc.c) */
823 #define wraptext vlc_wraptext
824 VLC_EXPORT( char *, vlc_wraptext, ( const char *, int ) );
826 /* iconv wrappers (defined in src/extras/libc.c) */
827 typedef void *vlc_iconv_t;
828 VLC_EXPORT( vlc_iconv_t, vlc_iconv_open, ( const char *, const char * ) );
829 VLC_EXPORT( size_t, vlc_iconv, ( vlc_iconv_t, const char **, size_t *, char **, size_t * ) );
830 VLC_EXPORT( int, vlc_iconv_close, ( vlc_iconv_t ) );
832 /* execve wrapper (defined in src/extras/libc.c) */
833 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 ) );
834 #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)
836 /* dir wrappers (defined in src/extras/libc.c) */
837 VLC_EXPORT(int, vlc_wclosedir, ( void *_p_dir ));
839 /*****************************************************************************
841 *****************************************************************************/
842 #define CPU_CAPABILITY_NONE 0
843 #define CPU_CAPABILITY_486 (1<<0)
844 #define CPU_CAPABILITY_586 (1<<1)
845 #define CPU_CAPABILITY_PPRO (1<<2)
846 #define CPU_CAPABILITY_MMX (1<<3)
847 #define CPU_CAPABILITY_3DNOW (1<<4)
848 #define CPU_CAPABILITY_MMXEXT (1<<5)
849 #define CPU_CAPABILITY_SSE (1<<6)
850 #define CPU_CAPABILITY_SSE2 (1<<7)
851 #define CPU_CAPABILITY_ALTIVEC (1<<16)
852 #define CPU_CAPABILITY_FPU (1<<31)
853 VLC_EXPORT( unsigned, vlc_CPU, ( void ) );
855 typedef void *(*vlc_memcpy_t) (void *tgt, const void *src, size_t n);
856 typedef void *(*vlc_memset_t) (void *tgt, int c, size_t n);
858 VLC_EXPORT( void, vlc_fastmem_register, (vlc_memcpy_t cpy, vlc_memset_t set) );
859 VLC_EXPORT( void *, vlc_memcpy, ( void *, const void *, size_t ) );
860 VLC_EXPORT( void *, vlc_memset, ( void *, int, size_t ) );
862 /*****************************************************************************
864 *****************************************************************************/
865 VLC_EXPORT( char *, vlc_gettext, ( const char *msgid ) );
867 /*****************************************************************************
869 *****************************************************************************/
870 VLC_EXPORT( const char *, VLC_Version, ( void ) );
871 VLC_EXPORT( const char *, VLC_CompileBy, ( void ) );
872 VLC_EXPORT( const char *, VLC_CompileHost, ( void ) );
873 VLC_EXPORT( const char *, VLC_CompileDomain, ( void ) );
874 VLC_EXPORT( const char *, VLC_Compiler, ( void ) );
875 VLC_EXPORT( const char *, VLC_Error, ( int ) );
876 VLC_EXPORT( const char *, VLC_Changeset, ( void ) );
878 /*****************************************************************************
879 * Additional vlc stuff
880 *****************************************************************************/
881 #include "vlc_messages.h"
882 #include "vlc_variables.h"
883 #include "vlc_objects.h"
884 #include "vlc_modules.h"
885 #include "vlc_main.h"
886 #include "vlc_configuration.h"
888 #if defined( WIN32 ) || defined( UNDER_CE )
889 # define DIR_SEP_CHAR '\\'
890 # define DIR_SEP "\\"
891 # define PATH_SEP_CHAR ';'
892 # define PATH_SEP ";"
894 # define DIR_SEP_CHAR '/'
896 # define PATH_SEP_CHAR ':'
897 # define PATH_SEP ":"
900 #define LICENSE_MSG \
901 _("This program comes with NO WARRANTY, to the extent permitted by " \
902 "law.\nYou may redistribute it under the terms of the GNU General " \
903 "Public License;\nsee the file named COPYING for details.\n" \
904 "Written by the VideoLAN team; see the AUTHORS file.\n")
906 #endif /* !VLC_COMMON_H */