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
32 /*****************************************************************************
33 * Required vlc headers
34 *****************************************************************************/
35 #if defined( _MSC_VER )
36 # pragma warning( disable : 4244 )
39 #include "vlc_config.h"
41 /*****************************************************************************
42 * Required system headers
43 *****************************************************************************/
50 #ifdef HAVE_SYS_TYPES_H
51 # include <sys/types.h>
54 /*****************************************************************************
55 * Basic types definitions
56 *****************************************************************************/
57 #if defined( HAVE_INTTYPES_H )
58 # include <inttypes.h>
59 #elif defined( SYS_CYGWIN )
60 /* Cygwin only defines half of these... */
61 typedef u_int8_t uint8_t;
62 typedef u_int16_t uint16_t;
63 typedef u_int32_t uint32_t;
64 typedef u_int64_t uint64_t;
66 /* Fallback types (very x86-centric, sorry) */
67 typedef unsigned char uint8_t;
68 typedef signed char int8_t;
69 typedef unsigned short uint16_t;
70 typedef signed short int16_t;
71 typedef unsigned int uint32_t;
72 typedef signed int int32_t;
73 # if defined( _MSC_VER ) \
74 || defined( UNDER_CE ) \
75 || ( defined( WIN32 ) && !defined( __MINGW32__ ) )
76 typedef unsigned __int64 uint64_t;
77 typedef signed __int64 int64_t;
79 typedef unsigned long long uint64_t;
80 typedef signed long long int64_t;
82 typedef uint32_t uintptr_t;
83 typedef int32_t intptr_t;
86 /* Systems that don't have stdint.h may not define INT64_MIN and
89 #define INT64_MIN (-9223372036854775807LL-1)
92 #define INT64_MAX (9223372036854775807LL)
95 #if defined( WIN32 ) || defined( UNDER_CE )
98 # define PATH_MAX MAX_PATH
102 /* Counter for statistics and profiling */
103 typedef unsigned long count_t;
105 /* DCT elements types */
106 typedef int16_t dctelem_t;
108 /* Video buffer types */
109 typedef uint8_t yuv_data_t;
112 typedef uint16_t audio_volume_t;
115 * High precision date or time interval
117 * Store a high precision date or time interval. The maximum precision is the
118 * microsecond, and a 64 bits integer is used to avoid overflows (maximum
119 * time interval is then 292271 years, which should be long enough for any
120 * video). Dates are stored as microseconds since a common date (usually the
121 * epoch). Note that date and time intervals can be manipulated using regular
122 * arithmetic operators, and that no special functions are required.
124 typedef int64_t mtime_t;
127 * The vlc_fourcc_t type.
129 * See http://www.webartz.com/fourcc/ for a very detailed list.
131 typedef uint32_t vlc_fourcc_t;
133 #ifdef WORDS_BIGENDIAN
134 # define VLC_FOURCC( a, b, c, d ) \
135 ( ((uint32_t)d) | ( ((uint32_t)c) << 8 ) \
136 | ( ((uint32_t)b) << 16 ) | ( ((uint32_t)a) << 24 ) )
137 # define VLC_TWOCC( a, b ) \
138 ( (uint16_t)(b) | ( (uint16_t)(a) << 8 ) )
141 # define VLC_FOURCC( a, b, c, d ) \
142 ( ((uint32_t)a) | ( ((uint32_t)b) << 8 ) \
143 | ( ((uint32_t)c) << 16 ) | ( ((uint32_t)d) << 24 ) )
144 # define VLC_TWOCC( a, b ) \
145 ( (uint16_t)(a) | ( (uint16_t)(b) << 8 ) )
149 static inline void __vlc_fourcc_to_char( vlc_fourcc_t fcc, char *psz_fourcc )
151 memcpy( psz_fourcc, &fcc, 4 );
154 #define vlc_fourcc_to_char( a, b ) \
155 __vlc_fourcc_to_char( (vlc_fourcc_t)(a), (char *)(b) )
157 /*****************************************************************************
158 * Classes declaration
159 *****************************************************************************/
162 typedef struct libvlc_global_data_t libvlc_global_data_t;
163 typedef struct libvlc_int_t libvlc_int_t;
164 typedef struct variable_t variable_t;
165 typedef struct date_t date_t;
166 typedef struct dict_entry_t dict_entry_t;
167 typedef struct dict_t dict_t;
168 typedef struct gc_object_t gc_object_t ;
171 typedef struct msg_bank_t msg_bank_t;
172 typedef struct msg_queue_t msg_queue_t;
173 typedef struct msg_subscription_t msg_subscription_t;
182 PLAYLIST_PLAY, /**< No arg. res=can fail*/
183 PLAYLIST_VIEWPLAY, /**< arg1= playlist_item_t*,*/
184 /** arg2 = playlist_item_t* , res=can fail */
185 PLAYLIST_PAUSE, /**< No arg res=can fail*/
186 PLAYLIST_STOP, /**< No arg res=can fail*/
187 PLAYLIST_SKIP, /**< arg1=int, res=can fail*/
188 } playlist_command_t;
191 typedef struct playlist_t playlist_t;
192 typedef struct playlist_item_t playlist_item_t;
193 typedef struct playlist_view_t playlist_view_t;
194 typedef struct playlist_export_t playlist_export_t;
195 typedef struct services_discovery_t services_discovery_t;
196 typedef struct services_discovery_sys_t services_discovery_sys_t;
197 typedef struct playlist_add_t playlist_add_t;
198 typedef struct playlist_preparse_t playlist_preparse_t;
199 typedef struct playlist_fetcher_t playlist_fetcher_t;
202 typedef struct module_bank_t module_bank_t;
203 typedef struct module_t module_t;
204 typedef struct module_config_t module_config_t;
205 typedef struct module_symbols_t module_symbols_t;
206 typedef struct module_cache_t module_cache_t;
208 typedef struct config_category_t config_category_t;
211 typedef struct intf_thread_t intf_thread_t;
212 typedef struct intf_sys_t intf_sys_t;
213 typedef struct intf_console_t intf_console_t;
214 typedef struct intf_msg_t intf_msg_t;
215 typedef struct interaction_t interaction_t;
216 typedef struct interaction_dialog_t interaction_dialog_t;
217 typedef struct user_widget_t user_widget_t;
220 typedef struct input_thread_t input_thread_t;
221 typedef struct input_thread_sys_t input_thread_sys_t;
222 typedef struct input_item_t input_item_t;
223 typedef struct access_t access_t;
224 typedef struct access_sys_t access_sys_t;
225 typedef struct stream_t stream_t;
226 typedef struct stream_sys_t stream_sys_t;
227 typedef struct demux_t demux_t;
228 typedef struct demux_meta_t demux_meta_t;
229 typedef struct demux_sys_t demux_sys_t;
230 typedef struct es_out_t es_out_t;
231 typedef struct es_out_id_t es_out_id_t;
232 typedef struct es_out_sys_t es_out_sys_t;
233 typedef struct es_descriptor_t es_descriptor_t;
234 typedef struct seekpoint_t seekpoint_t;
235 typedef struct info_t info_t;
236 typedef struct info_category_t info_category_t;
237 typedef struct input_attachment_t input_attachment_t;
240 typedef struct audio_format_t audio_format_t;
241 typedef struct video_format_t video_format_t;
242 typedef struct subs_format_t subs_format_t;
243 typedef struct es_format_t es_format_t;
244 typedef struct video_palette_t video_palette_t;
247 typedef struct aout_instance_t aout_instance_t;
248 typedef struct aout_sys_t aout_sys_t;
249 typedef struct aout_fifo_t aout_fifo_t;
250 typedef struct aout_input_t aout_input_t;
251 typedef struct aout_buffer_t aout_buffer_t;
252 typedef audio_format_t audio_sample_format_t;
253 typedef struct audio_date_t audio_date_t;
254 typedef struct aout_filter_t aout_filter_t;
257 typedef struct vout_thread_t vout_thread_t;
258 typedef struct vout_sys_t vout_sys_t;
259 typedef struct chroma_sys_t chroma_sys_t;
261 typedef video_format_t video_frame_format_t;
262 typedef struct picture_t picture_t;
263 typedef struct picture_sys_t picture_sys_t;
264 typedef struct picture_heap_t picture_heap_t;
267 typedef struct spu_t spu_t;
268 typedef struct subpicture_t subpicture_t;
269 typedef struct subpicture_sys_t subpicture_sys_t;
270 typedef struct subpicture_region_t subpicture_region_t;
271 typedef struct text_style_t text_style_t;
273 typedef struct image_handler_t image_handler_t;
276 typedef struct sout_instance_t sout_instance_t;
277 typedef struct sout_instance_sys_t sout_instance_sys_t;
279 typedef struct sout_input_t sout_input_t;
280 typedef struct sout_packetizer_input_t sout_packetizer_input_t;
282 typedef struct sout_access_out_t sout_access_out_t;
283 typedef struct sout_access_out_sys_t sout_access_out_sys_t;
285 typedef struct sout_mux_t sout_mux_t;
286 typedef struct sout_mux_sys_t sout_mux_sys_t;
288 typedef struct sout_stream_t sout_stream_t;
289 typedef struct sout_stream_sys_t sout_stream_sys_t;
291 typedef struct config_chain_t config_chain_t;
292 typedef struct sap_session_t sap_session_t;
293 typedef struct sap_address_t sap_address_t;
294 typedef struct session_descriptor_t session_descriptor_t;
295 typedef struct announce_method_t announce_method_t;
296 typedef struct announce_handler_t announce_handler_t;
297 typedef struct sap_handler_t sap_handler_t;
299 typedef struct sout_param_t sout_param_t;
300 typedef struct sout_pcat_t sout_pcat_t;
301 typedef struct sout_std_t sout_std_t;
302 typedef struct sout_display_t sout_display_t;
303 typedef struct sout_duplicate_t sout_duplicate_t;
304 typedef struct sout_transcode_t sout_transcode_t;
305 typedef struct sout_chain_t sout_chain_t;
306 typedef struct streaming_profile_t streaming_profile_t;
307 typedef struct sout_module_t sout_module_t;
308 typedef struct sout_gui_descr_t sout_gui_descr_t;
309 typedef struct profile_parser_t profile_parser_t;
312 typedef struct decoder_t decoder_t;
313 typedef struct decoder_sys_t decoder_sys_t;
314 typedef struct decoder_synchro_t decoder_synchro_t;
317 typedef struct encoder_t encoder_t;
318 typedef struct encoder_sys_t encoder_sys_t;
321 typedef struct filter_t filter_t;
322 typedef struct filter_sys_t filter_sys_t;
325 typedef struct network_socket_t network_socket_t;
326 typedef struct virtual_socket_t v_socket_t;
327 typedef struct sockaddr sockaddr;
328 typedef struct addrinfo addrinfo;
329 typedef struct vlc_acl_t vlc_acl_t;
330 typedef struct vlc_url_t vlc_url_t;
333 typedef struct iso639_lang_t iso639_lang_t;
334 typedef struct device_t device_t;
335 typedef struct device_probe_t device_probe_t;
336 typedef struct probe_sys_t probe_sys_t;
339 typedef struct block_t block_t;
340 typedef struct block_fifo_t block_fifo_t;
343 typedef struct httpd_t httpd_t;
344 typedef struct httpd_host_t httpd_host_t;
345 typedef struct httpd_url_t httpd_url_t;
346 typedef struct httpd_client_t httpd_client_t;
347 typedef struct httpd_callback_sys_t httpd_callback_sys_t;
348 typedef struct httpd_message_t httpd_message_t;
349 typedef int (*httpd_callback_t)( httpd_callback_sys_t *, httpd_client_t *, httpd_message_t *answer, const httpd_message_t *query );
350 typedef struct httpd_file_t httpd_file_t;
351 typedef struct httpd_file_sys_t httpd_file_sys_t;
352 typedef int (*httpd_file_callback_t)( httpd_file_sys_t *, httpd_file_t *, uint8_t *psz_request, uint8_t **pp_data, int *pi_data );
353 typedef struct httpd_handler_t httpd_handler_t;
354 typedef struct httpd_handler_sys_t httpd_handler_sys_t;
355 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 );
356 typedef struct httpd_redirect_t httpd_redirect_t;
357 typedef struct httpd_stream_t httpd_stream_t;
360 typedef struct tls_server_t tls_server_t;
361 typedef struct tls_session_t tls_session_t;
364 typedef struct md5_s md5_t;
367 typedef struct xml_t xml_t;
368 typedef struct xml_sys_t xml_sys_t;
369 typedef struct xml_reader_t xml_reader_t;
370 typedef struct xml_reader_sys_t xml_reader_sys_t;
373 typedef struct vod_t vod_t;
374 typedef struct vod_sys_t vod_sys_t;
375 typedef struct vod_media_t vod_media_t;
378 typedef struct opengl_t opengl_t;
379 typedef struct opengl_sys_t opengl_sys_t;
382 typedef struct osd_menu_t osd_menu_t;
383 typedef struct osd_state_t osd_state_t;
384 typedef struct osd_event_t osd_event_t;
385 typedef struct osd_button_t osd_button_t;
386 typedef struct osd_menu_state_t osd_menu_state_t;
389 typedef struct vlm_t vlm_t;
390 typedef struct vlm_message_t vlm_message_t;
393 typedef struct vlc_meta_t vlc_meta_t;
394 typedef struct meta_export_t meta_export_t;
397 typedef struct counter_t counter_t;
398 typedef struct counter_sample_t counter_sample_t;
399 typedef struct stats_handler_t stats_handler_t;
400 typedef struct input_stats_t input_stats_t;
401 typedef struct global_stats_t global_stats_t;
404 typedef struct update_t update_t;
405 typedef struct update_iterator_t update_iterator_t;
408 typedef struct meta_engine_t meta_engine_t;
410 /* stat/lstat/fstat */
412 #include <sys/stat.h>
414 #define stat _stati64
415 #define fstat _fstati64
416 /* You should otherwise use utf8_stat and utf8_lstat. */
421 /*****************************************************************************
423 *****************************************************************************/
424 typedef int ( * vlc_callback_t ) ( vlc_object_t *, /* variable's object */
425 char const *, /* variable name */
426 vlc_value_t, /* old value */
427 vlc_value_t, /* new value */
428 void * ); /* callback data */
430 /*****************************************************************************
432 *****************************************************************************/
434 #include "vlc_modules_macros.h"
436 #if defined (WIN32) && defined (DLL_EXPORT)
438 # define VLC_PUBLIC_API extern "C" __declspec(dllexport)
439 # define VLC_PRIVATE_API extern "C" __declspec(dllexport)
440 # define VLC_EXPORT( type, name, args ) extern "C" __declspec(dllexport) type name args
441 # define VLC_INTERNAL( type, name, args ) extern "C" type name args
443 # define VLC_PUBLIC_API extern __declspec(dllexport)
444 # define VLC_PRIVATE_API extern __declspec(dllexport)
445 # define VLC_EXPORT( type, name, args ) __declspec(dllexport) type name args
446 # define VLC_INTERNAL( type, name, args ) type name args
450 # ifdef HAVE_ATTRIBUTE_VISIBILITY
451 # define VLC_PUBLIC_API extern "C" __attribute__((visibility("default")))
452 # define VLC_PRIVATE_API extern "C" __attribute__((visibility("default")))
453 # define VLC_EXPORT( type, name, args ) extern "C" __attribute__((visibility("default"))) type name args
454 # define VLC_INTERNAL( type, name, args ) extern "C" __attribute__((visibility("hidden"))) type name args
456 # define VLC_PUBLIC_API extern "C"
457 # define VLC_EXPORT( type, name, args ) extern "C" type name args
458 # define VLC_INTERNAL( type, name, args ) extern "C" type name args
461 # ifdef HAVE_ATTRIBUTE_VISIBILITY
462 # define VLC_PUBLIC_API extern __attribute__((visibility("default")))
463 # define VLC_PRIVATE_API extern __attribute__((visibility("default")))
464 # define VLC_EXPORT( type, name, args ) __attribute__((visibility("default"))) type name args
465 # define VLC_INTERNAL( type, name, args ) __attribute__((visibility("hidden"))) type name args
467 # define VLC_PUBLIC_API extern
468 # define VLC_PRIVATE_API extern
469 # define VLC_EXPORT( type, name, args ) extern type name args
470 # define VLC_INTERNAL( type, name, args ) type name args
475 /*****************************************************************************
476 * OS-specific headers and thread types
477 *****************************************************************************/
478 #if defined( WIN32 ) || defined( UNDER_CE )
479 # define WIN32_LEAN_AND_MEAN
480 # include <windows.h>
481 # if defined( UNDER_CE )
484 # define IS_WINNT ( GetVersion() < 0x80000000 )
488 #include "vlc_threads.h"
490 typedef struct vlc_object_internals_t vlc_object_internals_t;
492 /*****************************************************************************
493 * Common structure members
494 *****************************************************************************/
496 /* VLC_COMMON_MEMBERS : members common to all basic vlc objects */
497 #define VLC_COMMON_MEMBERS \
498 /** \name VLC_COMMON_MEMBERS \
499 * these members are common for all vlc objects \
502 vlc_object_internals_t *p_internals; \
505 const char *psz_object_type; \
506 char *psz_object_name; \
508 /* Messages header */ \
512 /* Object access lock */ \
513 vlc_mutex_t object_lock; \
514 vlc_cond_t object_wait; \
516 /* Object properties */ \
517 volatile bool b_error; /**< set by the object */ \
518 volatile bool b_die; /**< set by the outside */ \
519 volatile bool b_dead; /**< set by the object */ \
520 bool b_force; /**< set by the outside (eg. module_Need()) */ \
522 /* Stuff related to the libvlc structure */ \
523 libvlc_int_t *p_libvlc; /**< (root of all evil) - 1 */ \
525 vlc_object_t * p_parent; /**< our parent */ \
526 vlc_object_t ** pp_children; /**< our children */ \
527 volatile int i_children; \
532 /** Just a reminder so that people don't cast garbage */ \
533 int be_sure_to_add_VLC_COMMON_MEMBERS_to_struct; \
536 /* VLC_OBJECT: attempt at doing a clever cast */
537 #define VLC_OBJECT( x ) \
538 ((vlc_object_t *)(x))+0*(x)->be_sure_to_add_VLC_COMMON_MEMBERS_to_struct
540 #define VLC_GC_MEMBERS \
541 /** \name VLC_GC_MEMBERS \
542 * these members are common to all objects that wish to be garbage-collected \
546 void (*pf_destructor) ( gc_object_t * ); \
547 void *p_destructor_arg; \
555 #include <assert.h> /* FIXME: should not be included here */
557 static inline void __vlc_gc_incref( gc_object_t * p_gc )
559 assert( p_gc->i_gc_refcount > 0 );
561 p_gc->i_gc_refcount ++;
564 static inline void __vlc_gc_decref( gc_object_t *p_gc )
568 assert( p_gc->i_gc_refcount > 0 );
570 p_gc->i_gc_refcount -- ;
572 if( p_gc->i_gc_refcount == 0 )
574 p_gc->pf_destructor( p_gc );
575 /* Do not use the p_gc pointer from now on ! */
580 __vlc_gc_init( gc_object_t * p_gc, void (*pf_destructor)( gc_object_t * ),
583 p_gc->i_gc_refcount = 1;
584 p_gc->pf_destructor = pf_destructor;
585 p_gc->p_destructor_arg = arg;
588 #define vlc_gc_incref( a ) __vlc_gc_incref( (gc_object_t *)a )
589 #define vlc_gc_decref( a ) __vlc_gc_decref( (gc_object_t *)a )
590 #define vlc_gc_init( a,b,c ) __vlc_gc_init( (gc_object_t *)a,b,c )
593 /*****************************************************************************
594 * Macros and inline functions
595 *****************************************************************************/
596 #ifdef NTOHL_IN_SYS_PARAM_H
597 # include <sys/param.h>
599 #elif !defined(WIN32) && !defined( UNDER_CE )
600 # include <netinet/in.h>
602 #endif /* NTOHL_IN_SYS_PARAM_H || WIN32 */
604 /* CEIL: division with round to nearest greater integer */
605 #define CEIL(n, d) ( ((n) / (d)) + ( ((n) % (d)) ? 1 : 0) )
607 /* PAD: PAD(n, d) = CEIL(n ,d) * d */
608 #define PAD(n, d) ( ((n) % (d)) ? ((((n) / (d)) + 1) * (d)) : (n) )
610 /* __MAX and __MIN: self explanatory */
612 # define __MAX(a, b) ( ((a) > (b)) ? (a) : (b) )
615 # define __MIN(a, b) ( ((a) < (b)) ? (a) : (b) )
618 static inline int64_t GCD( int64_t a, int64_t b )
629 /* function imported from libavutil/common.h */
630 static inline uint8_t clip_uint8_vlc( int32_t a )
632 if( a&(~255) ) return (-a)>>31;
636 /* Malloc with automatic error */
637 #define MALLOC_VOID( var, type ) do { var = (type*)malloc( sizeof( type) ); \
638 if( !var ) return; } while(0)
639 #define MALLOC_NULL( var, type ) do { var = (type*)malloc( sizeof( type) ); \
640 if( !var ) return NULL; } while(0)
641 #define MALLOC_ERR( var, type ) do { var = (type*)malloc( sizeof( type) ); \
642 if( !var ) return VLC_ENOMEM; } while(0)
643 #define MALLOC_GOTOERR( var, type ) do { var = (type*)malloc( sizeof( type) ); \
644 if( !var ) goto error; } while(0)
645 #define DECMALLOC_VOID( var, type ) type* var = (type*)malloc( sizeof(type) );\
647 #define DECMALLOC_ERR( var, type ) type* var = (type*)malloc( sizeof(type) );\
648 if( !var ) return VLC_ENOMEM;
649 #define DECMALLOC_NULL( var, type ) type* var = (type*)malloc( sizeof(type) );\
650 if( !var ) return NULL;
652 #define FREENULL(a) do { free( a ); a = NULL; } while(0)
654 #define EMPTY_STR(str) (!str || !*str)
656 VLC_EXPORT( char const *, vlc_error, ( int ) );
658 #include <vlc_arrays.h>
660 /* MSB (big endian)/LSB (little endian) conversions - network order is always
661 * MSB, and should be used for both network communications and files. Note that
662 * byte orders other than little and big endians are not supported, but only
663 * the VAX seems to have such exotic properties. */
664 static inline uint16_t U16_AT( const void * _p )
666 const uint8_t * p = (const uint8_t *)_p;
667 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] );
675 static inline uint64_t U64_AT( const void * _p )
677 const uint8_t * p = (const uint8_t *)_p;
678 return ( ((uint64_t)p[0] << 56) | ((uint64_t)p[1] << 48)
679 | ((uint64_t)p[2] << 40) | ((uint64_t)p[3] << 32)
680 | ((uint64_t)p[4] << 24) | ((uint64_t)p[5] << 16)
681 | ((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] );
689 static inline uint32_t GetDWLE( const void * _p )
691 const uint8_t * p = (const uint8_t *)_p;
692 return ( ((uint32_t)p[3] << 24) | ((uint32_t)p[2] << 16)
693 | ((uint32_t)p[1] << 8) | p[0] );
695 static inline uint64_t GetQWLE( const void * _p )
697 const uint8_t * p = (const uint8_t *)_p;
698 return ( ((uint64_t)p[7] << 56) | ((uint64_t)p[6] << 48)
699 | ((uint64_t)p[5] << 40) | ((uint64_t)p[4] << 32)
700 | ((uint64_t)p[3] << 24) | ((uint64_t)p[2] << 16)
701 | ((uint64_t)p[1] << 8) | p[0] );
704 #define GetWBE( p ) U16_AT( p )
705 #define GetDWBE( p ) U32_AT( p )
706 #define GetQWBE( p ) U64_AT( p )
708 /* Helper writer functions */
709 #define SetWLE( p, v ) _SetWLE( (uint8_t*)(p), v)
710 static inline void _SetWLE( uint8_t *p, uint16_t i_dw )
712 p[1] = ( i_dw >> 8 )&0xff;
713 p[0] = ( i_dw )&0xff;
716 #define SetDWLE( p, v ) _SetDWLE( (uint8_t*)(p), v)
717 static inline void _SetDWLE( uint8_t *p, uint32_t i_dw )
719 p[3] = ( i_dw >> 24 )&0xff;
720 p[2] = ( i_dw >> 16 )&0xff;
721 p[1] = ( i_dw >> 8 )&0xff;
722 p[0] = ( i_dw )&0xff;
724 #define SetQWLE( p, v ) _SetQWLE( (uint8_t*)(p), v)
725 static inline void _SetQWLE( uint8_t *p, uint64_t i_qw )
727 SetDWLE( p, i_qw&0xffffffff );
728 SetDWLE( p+4, ( i_qw >> 32)&0xffffffff );
730 #define SetWBE( p, v ) _SetWBE( (uint8_t*)(p), v)
731 static inline void _SetWBE( uint8_t *p, uint16_t i_dw )
733 p[0] = ( i_dw >> 8 )&0xff;
734 p[1] = ( i_dw )&0xff;
737 #define SetDWBE( p, v ) _SetDWBE( (uint8_t*)(p), v)
738 static inline void _SetDWBE( uint8_t *p, uint32_t i_dw )
740 p[0] = ( i_dw >> 24 )&0xff;
741 p[1] = ( i_dw >> 16 )&0xff;
742 p[2] = ( i_dw >> 8 )&0xff;
743 p[3] = ( i_dw )&0xff;
745 #define SetQWBE( p, v ) _SetQWBE( (uint8_t*)(p), v)
746 static inline void _SetQWBE( uint8_t *p, uint64_t i_qw )
748 SetDWBE( p+4, i_qw&0xffffffff );
749 SetDWBE( p, ( i_qw >> 32)&0xffffffff );
752 #ifdef WORDS_BIGENDIAN
753 # define hton16(i) ( i )
754 # define hton32(i) ( i )
755 # define hton64(i) ( i )
756 # define ntoh16(i) ( i )
757 # define ntoh32(i) ( i )
758 # define ntoh64(i) ( i )
760 # define hton16(i) U16_AT(&i)
761 # define hton32(i) U32_AT(&i)
762 # define hton64(i) U64_AT(&i)
763 # define ntoh16(i) U16_AT(&i)
764 # define ntoh32(i) U32_AT(&i)
765 # define ntoh64(i) U64_AT(&i)
768 /* Format string sanity checks */
769 #ifdef HAVE_ATTRIBUTE_FORMAT
770 # define ATTRIBUTE_FORMAT(x,y) __attribute__ ((format(printf,x,y)))
772 # define ATTRIBUTE_FORMAT(x,y)
775 /* Alignment of critical static data structures */
776 #ifdef ATTRIBUTE_ALIGNED_MAX
777 # define ATTR_ALIGN(align) __attribute__ ((__aligned__ ((ATTRIBUTE_ALIGNED_MAX < align) ? ATTRIBUTE_ALIGNED_MAX : align)))
779 # define ATTR_ALIGN(align)
782 #ifdef HAVE_ATTRIBUTE_PACKED
783 # define ATTR_PACKED __attribute__((__packed__))
787 #define VLC_UNUSED(x) (void)(x)
789 /* Stuff defined in src/extras/libc.c */
790 VLC_EXPORT( char *, vlc_strdup, ( const char *s ) );
791 VLC_EXPORT( int, vlc_vasprintf, (char **, const char *, va_list ) );
792 VLC_EXPORT( int, vlc_asprintf, (char **, const char *, ... ) ATTRIBUTE_FORMAT( 2, 3 ) );
793 VLC_EXPORT( char *, vlc_strndup, ( const char *s, size_t n ) );
794 VLC_EXPORT( size_t, vlc_strlcpy, ( char *, const char *, size_t ) );
795 VLC_EXPORT( double, vlc_atof, ( const char *nptr ) );
796 VLC_EXPORT( int64_t, vlc_atoll, ( const char *nptr ) );
797 VLC_EXPORT( int64_t, vlc_strtoll, ( const char *nptr, char **endptr, int base ) );
798 VLC_EXPORT( size_t, vlc_strnlen, ( const char *, size_t ) );
800 #if defined(SYS_BEOS) \
801 || (defined (__FreeBSD__) && (__FreeBSD__ < 5))
803 long long quot; /* Quotient. */
804 long long rem; /* Remainder. */
807 VLC_EXPORT( lldiv_t, vlc_lldiv, ( long long numer, long long denom ) );
810 VLC_EXPORT( int, vlc_scandir, ( const char *name, struct dirent ***namelist, int (*filter) ( const struct dirent * ), int (*compar) ( const struct dirent **, const struct dirent ** ) ) );
811 VLC_EXPORT( int, vlc_alphasort, ( const struct dirent **a, const struct dirent **b ) );
813 VLC_EXPORT( char *, vlc_getenv, ( const char *name ) );
815 VLC_EXPORT( int, vlc_strcasecmp, ( const char *s1, const char *s2 ) );
816 VLC_EXPORT( int, vlc_strncasecmp, ( const char *s1, const char *s2, size_t n ) );
817 VLC_EXPORT( char *, vlc_strcasestr, ( const char *s1, const char *s2 ) );
819 #ifndef HAVE_DIRENT_H
821 # ifndef FILENAME_MAX
822 # define FILENAME_MAX (260)
826 long d_ino; /* Always zero. */
827 unsigned short d_reclen; /* Always zero. */
828 unsigned short d_namlen; /* Length of name in d_name. */
829 char d_name[FILENAME_MAX]; /* File name. */
831 # define opendir vlc_opendir
832 # define readdir vlc_readdir
833 # define closedir vlc_closedir
834 # define rewinddir vlc_rewindir
835 # define seekdir vlc_seekdir
836 # define telldir vlc_telldir
837 VLC_EXPORT( void *, vlc_opendir, ( const char * ) );
838 VLC_EXPORT( void *, vlc_readdir, ( void * ) );
839 VLC_EXPORT( int, vlc_closedir, ( void * ) );
840 VLC_INTERNAL( void, vlc_rewinddir, ( void * ) );
841 VLC_INTERNAL( void, vlc_seekdir, ( void *, long ) );
842 VLC_INTERNAL( long, vlc_telldir, ( void * ) );
847 VLC_INTERNAL( void *, vlc_wopendir, ( const wchar_t * ) );
848 VLC_INTERNAL( struct _wdirent *, vlc_wreaddir, ( void * ) );
849 VLC_EXPORT( int, vlc_wclosedir, ( void * ) );
850 VLC_INTERNAL( void, vlc_rewinddir, ( void * ) );
851 VLC_INTERNAL( void, vlc_seekdir, ( void *, long ) );
852 VLC_INTERNAL( long, vlc_telldir, ( void * ) );
853 # define opendir Use_utf8_opendir_or_vlc_wopendir_instead!
854 # define readdir Use_utf8_readdir_or_vlc_wreaddir_instead!
855 # define closedir vlc_wclosedir
856 # define _wopendir vlc_wopendir
857 # define _wreaddir vlc_wreaddir
858 # define _wclosedir vlc_wclosedir
859 # define rewinddir vlc_rewinddir
860 # define seekdir vlc_seekdir
861 # define telldir vlc_telldir
864 #if defined(WIN32) || defined(UNDER_CE)
865 /* win32, cl and icl support */
866 # if defined( _MSC_VER ) || !defined( __MINGW32__ )
867 # define __attribute__(x)
868 # define __inline__ __inline
869 # define S_IFBLK 0x3000 /* Block */
870 # define S_ISBLK(m) (0)
871 # define S_ISCHR(m) (0)
872 # define S_ISFIFO(m) (((m)&_S_IFMT) == _S_IFIFO)
873 # define S_ISREG(m) (((m)&_S_IFMT) == _S_IFREG)
876 /* several type definitions */
877 # if defined( __MINGW32__ )
878 # if !defined( _OFF_T_ )
879 typedef long long _off_t;
880 typedef _off_t off_t;
886 # define off_t long long
890 # if defined( _MSC_VER ) && !defined( __WXMSW__ )
891 # if !defined( _OFF_T_DEFINED )
892 typedef __int64 off_t;
893 # define _OFF_T_DEFINED
895 /* for wx compatibility typedef long off_t; */
896 # define off_t __int64
900 # if defined( __BORLANDC__ )
902 # define off_t unsigned __int64
906 # define O_NONBLOCK 0
910 # define alloca _alloca
913 /* These two are not defined in mingw32 (bug?) */
915 # define snprintf _snprintf
918 # define vsnprintf _vsnprintf
924 VLC_EXPORT( bool, vlc_ureduce, ( unsigned *, unsigned *, uint64_t, uint64_t, uint64_t ) );
925 VLC_EXPORT( char **, vlc_parse_cmdline, ( const char *, int * ) );
927 /* vlc_wraptext (defined in src/extras/libc.c) */
928 #define wraptext vlc_wraptext
929 VLC_EXPORT( char *, vlc_wraptext, ( const char *, int ) );
931 /* iconv wrappers (defined in src/extras/libc.c) */
932 typedef void *vlc_iconv_t;
933 VLC_EXPORT( vlc_iconv_t, vlc_iconv_open, ( const char *, const char * ) );
934 VLC_EXPORT( size_t, vlc_iconv, ( vlc_iconv_t, const char **, size_t *, char **, size_t * ) );
935 VLC_EXPORT( int, vlc_iconv_close, ( vlc_iconv_t ) );
937 /* execve wrapper (defined in src/extras/libc.c) */
938 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 ) );
939 #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)
941 /*****************************************************************************
943 *****************************************************************************/
944 #define CPU_CAPABILITY_NONE 0
945 #define CPU_CAPABILITY_486 (1<<0)
946 #define CPU_CAPABILITY_586 (1<<1)
947 #define CPU_CAPABILITY_PPRO (1<<2)
948 #define CPU_CAPABILITY_MMX (1<<3)
949 #define CPU_CAPABILITY_3DNOW (1<<4)
950 #define CPU_CAPABILITY_MMXEXT (1<<5)
951 #define CPU_CAPABILITY_SSE (1<<6)
952 #define CPU_CAPABILITY_SSE2 (1<<7)
953 #define CPU_CAPABILITY_ALTIVEC (1<<16)
954 #define CPU_CAPABILITY_FPU (1<<31)
955 VLC_EXPORT( unsigned, vlc_CPU, ( void ) );
957 /*****************************************************************************
959 *****************************************************************************/
961 VLC_EXPORT( char *, vlc_dgettext, ( const char *package, const char *msgid ) );
964 #if defined( ENABLE_NLS ) && \
965 (defined(MODULE_NAME_IS_gnome)||defined(MODULE_NAME_IS_gnome_main)||\
966 defined(MODULE_NAME_IS_gnome2)||defined(MODULE_NAME_IS_gnome2_main)||\
967 defined(MODULE_NAME_IS_pda))
968 /* Declare nothing: gnome.h will do it for us */
969 #elif defined( ENABLE_NLS )
970 # include <libintl.h>
973 # define _(String) vlc_dgettext (PACKAGE_NAME, String)
975 # define _(String) dgettext(PACKAGE_NAME, String)
977 # define N_(String) (String)
979 # define _(String) (String)
980 # define N_(String) (String)
983 /*****************************************************************************
985 *****************************************************************************/
986 VLC_EXPORT( const char *, VLC_Version, ( void ) );
987 VLC_EXPORT( const char *, VLC_CompileBy, ( void ) );
988 VLC_EXPORT( const char *, VLC_CompileHost, ( void ) );
989 VLC_EXPORT( const char *, VLC_CompileDomain, ( void ) );
990 VLC_EXPORT( const char *, VLC_Compiler, ( void ) );
991 VLC_EXPORT( const char *, VLC_Error, ( int ) );
992 VLC_EXPORT( const char *, VLC_Changeset, ( void ) );
994 /*****************************************************************************
995 * Additional vlc stuff
996 *****************************************************************************/
997 #include "vlc_messages.h"
998 #include "vlc_variables.h"
999 #include "vlc_objects.h"
1000 #include "vlc_mtime.h"
1001 #include "vlc_threads_funcs.h"
1002 #include "vlc_modules.h"
1004 #include "vlc_configuration.h"
1006 #if defined( WIN32 ) || defined( UNDER_CE )
1007 # define DIR_SEP_CHAR '\\'
1008 # define DIR_SEP "\\"
1009 # define PATH_SEP_CHAR ';'
1010 # define PATH_SEP ";"
1012 # define DIR_SEP_CHAR '/'
1013 # define DIR_SEP "/"
1014 # define PATH_SEP_CHAR ':'
1015 # define PATH_SEP ":"