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 *****************************************************************************/
51 /*****************************************************************************
52 * Basic types definitions
53 *****************************************************************************/
54 #if defined( WIN32 ) || defined( UNDER_CE )
57 # define PATH_MAX MAX_PATH
61 /* Counter for statistics and profiling */
62 typedef unsigned long count_t;
64 /* DCT elements types */
65 typedef int16_t dctelem_t;
67 /* Video buffer types */
68 typedef uint8_t yuv_data_t;
71 typedef uint16_t audio_volume_t;
74 * High precision date or time interval
76 * Store a high precision date or time interval. The maximum precision is the
77 * microsecond, and a 64 bits integer is used to avoid overflows (maximum
78 * time interval is then 292271 years, which should be long enough for any
79 * video). Dates are stored as microseconds since a common date (usually the
80 * epoch). Note that date and time intervals can be manipulated using regular
81 * arithmetic operators, and that no special functions are required.
83 typedef int64_t mtime_t;
86 * The vlc_fourcc_t type.
88 * See http://www.webartz.com/fourcc/ for a very detailed list.
90 typedef uint32_t vlc_fourcc_t;
92 #ifdef WORDS_BIGENDIAN
93 # define VLC_FOURCC( a, b, c, d ) \
94 ( ((uint32_t)d) | ( ((uint32_t)c) << 8 ) \
95 | ( ((uint32_t)b) << 16 ) | ( ((uint32_t)a) << 24 ) )
96 # define VLC_TWOCC( a, b ) \
97 ( (uint16_t)(b) | ( (uint16_t)(a) << 8 ) )
100 # define VLC_FOURCC( a, b, c, d ) \
101 ( ((uint32_t)a) | ( ((uint32_t)b) << 8 ) \
102 | ( ((uint32_t)c) << 16 ) | ( ((uint32_t)d) << 24 ) )
103 # define VLC_TWOCC( a, b ) \
104 ( (uint16_t)(a) | ( (uint16_t)(b) << 8 ) )
108 static inline void __vlc_fourcc_to_char( vlc_fourcc_t fcc, char *psz_fourcc )
110 memcpy( psz_fourcc, &fcc, 4 );
113 #define vlc_fourcc_to_char( a, b ) \
114 __vlc_fourcc_to_char( (vlc_fourcc_t)(a), (char *)(b) )
116 /*****************************************************************************
117 * Classes declaration
118 *****************************************************************************/
121 typedef struct libvlc_int_t libvlc_int_t;
122 typedef struct variable_t variable_t;
123 typedef struct date_t date_t;
124 typedef struct dict_entry_t dict_entry_t;
125 typedef struct dict_t dict_t;
126 typedef struct gc_object_t gc_object_t ;
129 typedef struct msg_subscription_t msg_subscription_t;
138 PLAYLIST_PLAY, /**< No arg. res=can fail*/
139 PLAYLIST_VIEWPLAY, /**< arg1= playlist_item_t*,*/
140 /** arg2 = playlist_item_t* , res=can fail */
141 PLAYLIST_PAUSE, /**< No arg res=can fail*/
142 PLAYLIST_STOP, /**< No arg res=can fail*/
143 PLAYLIST_SKIP, /**< arg1=int, res=can fail*/
144 } playlist_command_t;
147 typedef struct playlist_t playlist_t;
148 typedef struct playlist_item_t playlist_item_t;
149 typedef struct playlist_view_t playlist_view_t;
150 typedef struct playlist_export_t playlist_export_t;
151 typedef struct services_discovery_t services_discovery_t;
152 typedef struct services_discovery_sys_t services_discovery_sys_t;
153 typedef struct playlist_add_t playlist_add_t;
154 typedef struct playlist_preparse_t playlist_preparse_t;
155 typedef struct playlist_fetcher_t playlist_fetcher_t;
158 typedef struct module_bank_t module_bank_t;
159 typedef struct module_t module_t;
160 typedef struct module_config_t module_config_t;
161 typedef struct module_symbols_t module_symbols_t;
162 typedef struct module_cache_t module_cache_t;
164 typedef struct config_category_t config_category_t;
167 typedef struct intf_thread_t intf_thread_t;
168 typedef struct intf_sys_t intf_sys_t;
169 typedef struct intf_console_t intf_console_t;
170 typedef struct intf_msg_t intf_msg_t;
171 typedef struct interaction_t interaction_t;
172 typedef struct interaction_dialog_t interaction_dialog_t;
173 typedef struct user_widget_t user_widget_t;
176 typedef struct input_thread_t input_thread_t;
177 typedef struct input_thread_sys_t input_thread_sys_t;
178 typedef struct input_item_t input_item_t;
179 typedef struct access_t access_t;
180 typedef struct access_sys_t access_sys_t;
181 typedef struct stream_t stream_t;
182 typedef struct stream_sys_t stream_sys_t;
183 typedef struct demux_t demux_t;
184 typedef struct demux_meta_t demux_meta_t;
185 typedef struct demux_sys_t demux_sys_t;
186 typedef struct es_out_t es_out_t;
187 typedef struct es_out_id_t es_out_id_t;
188 typedef struct es_out_sys_t es_out_sys_t;
189 typedef struct es_descriptor_t es_descriptor_t;
190 typedef struct seekpoint_t seekpoint_t;
191 typedef struct info_t info_t;
192 typedef struct info_category_t info_category_t;
193 typedef struct input_attachment_t input_attachment_t;
196 typedef struct audio_format_t audio_format_t;
197 typedef struct video_format_t video_format_t;
198 typedef struct subs_format_t subs_format_t;
199 typedef struct es_format_t es_format_t;
200 typedef struct video_palette_t video_palette_t;
203 typedef struct aout_instance_t aout_instance_t;
204 typedef struct aout_sys_t aout_sys_t;
205 typedef struct aout_fifo_t aout_fifo_t;
206 typedef struct aout_input_t aout_input_t;
207 typedef struct aout_buffer_t aout_buffer_t;
208 typedef audio_format_t audio_sample_format_t;
209 typedef struct audio_date_t audio_date_t;
210 typedef struct aout_filter_t aout_filter_t;
213 typedef struct vout_thread_t vout_thread_t;
214 typedef struct vout_sys_t vout_sys_t;
215 typedef struct chroma_sys_t chroma_sys_t;
217 typedef video_format_t video_frame_format_t;
218 typedef struct picture_t picture_t;
219 typedef struct picture_sys_t picture_sys_t;
220 typedef struct picture_heap_t picture_heap_t;
223 typedef struct spu_t spu_t;
224 typedef struct subpicture_t subpicture_t;
225 typedef struct subpicture_sys_t subpicture_sys_t;
226 typedef struct subpicture_region_t subpicture_region_t;
227 typedef struct text_style_t text_style_t;
229 typedef struct image_handler_t image_handler_t;
232 typedef struct sout_instance_t sout_instance_t;
233 typedef struct sout_instance_sys_t sout_instance_sys_t;
235 typedef struct sout_input_t sout_input_t;
236 typedef struct sout_packetizer_input_t sout_packetizer_input_t;
238 typedef struct sout_access_out_t sout_access_out_t;
239 typedef struct sout_access_out_sys_t sout_access_out_sys_t;
241 typedef struct sout_mux_t sout_mux_t;
242 typedef struct sout_mux_sys_t sout_mux_sys_t;
244 typedef struct sout_stream_t sout_stream_t;
245 typedef struct sout_stream_sys_t sout_stream_sys_t;
247 typedef struct config_chain_t config_chain_t;
248 typedef struct sap_session_t sap_session_t;
249 typedef struct sap_address_t sap_address_t;
250 typedef struct session_descriptor_t session_descriptor_t;
251 typedef struct announce_method_t announce_method_t;
252 typedef struct announce_handler_t announce_handler_t;
253 typedef struct sap_handler_t sap_handler_t;
255 typedef struct sout_param_t sout_param_t;
256 typedef struct sout_pcat_t sout_pcat_t;
257 typedef struct sout_std_t sout_std_t;
258 typedef struct sout_display_t sout_display_t;
259 typedef struct sout_duplicate_t sout_duplicate_t;
260 typedef struct sout_transcode_t sout_transcode_t;
261 typedef struct sout_chain_t sout_chain_t;
262 typedef struct streaming_profile_t streaming_profile_t;
263 typedef struct sout_module_t sout_module_t;
264 typedef struct sout_gui_descr_t sout_gui_descr_t;
265 typedef struct profile_parser_t profile_parser_t;
268 typedef struct decoder_t decoder_t;
269 typedef struct decoder_sys_t decoder_sys_t;
270 typedef struct decoder_synchro_t decoder_synchro_t;
273 typedef struct encoder_t encoder_t;
274 typedef struct encoder_sys_t encoder_sys_t;
277 typedef struct filter_t filter_t;
278 typedef struct filter_sys_t filter_sys_t;
281 typedef struct network_socket_t network_socket_t;
282 typedef struct virtual_socket_t v_socket_t;
283 typedef struct sockaddr sockaddr;
284 typedef struct addrinfo addrinfo;
285 typedef struct vlc_acl_t vlc_acl_t;
286 typedef struct vlc_url_t vlc_url_t;
289 typedef struct iso639_lang_t iso639_lang_t;
290 typedef struct device_t device_t;
291 typedef struct device_probe_t device_probe_t;
292 typedef struct probe_sys_t probe_sys_t;
295 typedef struct block_t block_t;
296 typedef struct block_fifo_t block_fifo_t;
299 typedef struct httpd_t httpd_t;
300 typedef struct httpd_host_t httpd_host_t;
301 typedef struct httpd_url_t httpd_url_t;
302 typedef struct httpd_client_t httpd_client_t;
303 typedef struct httpd_callback_sys_t httpd_callback_sys_t;
304 typedef struct httpd_message_t httpd_message_t;
305 typedef int (*httpd_callback_t)( httpd_callback_sys_t *, httpd_client_t *, httpd_message_t *answer, const httpd_message_t *query );
306 typedef struct httpd_file_t httpd_file_t;
307 typedef struct httpd_file_sys_t httpd_file_sys_t;
308 typedef int (*httpd_file_callback_t)( httpd_file_sys_t *, httpd_file_t *, uint8_t *psz_request, uint8_t **pp_data, int *pi_data );
309 typedef struct httpd_handler_t httpd_handler_t;
310 typedef struct httpd_handler_sys_t httpd_handler_sys_t;
311 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 );
312 typedef struct httpd_redirect_t httpd_redirect_t;
313 typedef struct httpd_stream_t httpd_stream_t;
316 typedef struct tls_server_t tls_server_t;
317 typedef struct tls_session_t tls_session_t;
320 typedef struct md5_s md5_t;
323 typedef struct xml_t xml_t;
324 typedef struct xml_sys_t xml_sys_t;
325 typedef struct xml_reader_t xml_reader_t;
326 typedef struct xml_reader_sys_t xml_reader_sys_t;
329 typedef struct vod_t vod_t;
330 typedef struct vod_sys_t vod_sys_t;
331 typedef struct vod_media_t vod_media_t;
334 typedef struct opengl_t opengl_t;
335 typedef struct opengl_sys_t opengl_sys_t;
338 typedef struct osd_menu_t osd_menu_t;
339 typedef struct osd_state_t osd_state_t;
340 typedef struct osd_event_t osd_event_t;
341 typedef struct osd_button_t osd_button_t;
342 typedef struct osd_menu_state_t osd_menu_state_t;
345 typedef struct vlm_t vlm_t;
346 typedef struct vlm_message_t vlm_message_t;
349 typedef struct vlc_meta_t vlc_meta_t;
350 typedef struct meta_export_t meta_export_t;
353 typedef struct counter_t counter_t;
354 typedef struct counter_sample_t counter_sample_t;
355 typedef struct stats_handler_t stats_handler_t;
356 typedef struct input_stats_t input_stats_t;
357 typedef struct global_stats_t global_stats_t;
360 typedef struct update_t update_t;
361 typedef struct update_iterator_t update_iterator_t;
364 typedef struct meta_engine_t meta_engine_t;
366 /* stat/lstat/fstat */
368 #include <sys/stat.h>
370 #define stat _stati64
371 #define fstat _fstati64
372 /* You should otherwise use utf8_stat and utf8_lstat. */
377 /*****************************************************************************
379 *****************************************************************************/
380 typedef int ( * vlc_callback_t ) ( vlc_object_t *, /* variable's object */
381 char const *, /* variable name */
382 vlc_value_t, /* old value */
383 vlc_value_t, /* new value */
384 void * ); /* callback data */
386 /*****************************************************************************
388 *****************************************************************************/
390 #if defined (WIN32) && defined (DLL_EXPORT)
392 # define VLC_PUBLIC_API extern "C" __declspec(dllexport)
393 # define VLC_PRIVATE_API extern "C" __declspec(dllexport)
394 # define VLC_EXPORT( type, name, args ) extern "C" __declspec(dllexport) type name args
395 # define VLC_INTERNAL( type, name, args ) extern "C" type name args
397 # define VLC_PUBLIC_API extern __declspec(dllexport)
398 # define VLC_PRIVATE_API extern __declspec(dllexport)
399 # define VLC_EXPORT( type, name, args ) __declspec(dllexport) type name args
400 # define VLC_INTERNAL( type, name, args ) type name args
404 # ifdef HAVE_ATTRIBUTE_VISIBILITY
405 # define VLC_PUBLIC_API extern "C" __attribute__((visibility("default")))
406 # define VLC_PRIVATE_API extern "C" __attribute__((visibility("default")))
407 # define VLC_EXPORT( type, name, args ) extern "C" __attribute__((visibility("default"))) type name args
408 # define VLC_INTERNAL( type, name, args ) extern "C" __attribute__((visibility("hidden"))) type name args
410 # define VLC_PUBLIC_API extern "C"
411 # define VLC_EXPORT( type, name, args ) extern "C" type name args
412 # define VLC_INTERNAL( type, name, args ) extern "C" type name args
415 # ifdef HAVE_ATTRIBUTE_VISIBILITY
416 # define VLC_PUBLIC_API extern __attribute__((visibility("default")))
417 # define VLC_PRIVATE_API extern __attribute__((visibility("default")))
418 # define VLC_EXPORT( type, name, args ) __attribute__((visibility("default"))) type name args
419 # define VLC_INTERNAL( type, name, args ) __attribute__((visibility("hidden"))) type name args
421 # define VLC_PUBLIC_API extern
422 # define VLC_PRIVATE_API extern
423 # define VLC_EXPORT( type, name, args ) extern type name args
424 # define VLC_INTERNAL( type, name, args ) type name args
429 /*****************************************************************************
430 * OS-specific headers and thread types
431 *****************************************************************************/
432 #if defined( WIN32 ) || defined( UNDER_CE )
433 # define WIN32_LEAN_AND_MEAN
434 # include <windows.h>
435 # if defined( UNDER_CE )
438 # define IS_WINNT ( GetVersion() < 0x80000000 )
442 #include "vlc_mtime.h"
443 #include "vlc_threads.h"
445 typedef struct vlc_object_internals_t vlc_object_internals_t;
447 /*****************************************************************************
448 * Common structure members
449 *****************************************************************************/
451 /* VLC_COMMON_MEMBERS : members common to all basic vlc objects */
452 #define VLC_COMMON_MEMBERS \
453 /** \name VLC_COMMON_MEMBERS \
454 * these members are common for all vlc objects \
459 const char *psz_object_type; \
460 char *psz_object_name; \
462 /* Messages header */ \
466 /* Object access lock */ \
467 vlc_mutex_t object_lock; \
468 vlc_cond_t object_wait; \
470 /* Object properties */ \
471 volatile bool b_error; /**< set by the object */ \
472 volatile bool b_die; /**< set by the outside */ \
473 volatile bool b_dead; /**< set by the object */ \
474 bool b_force; /**< set by the outside (eg. module_Need()) */ \
476 /* Stuff related to the libvlc structure */ \
477 libvlc_int_t *p_libvlc; /**< (root of all evil) - 1 */ \
479 vlc_object_t * p_parent; /**< our parent */ \
484 /** Just a reminder so that people don't cast garbage */ \
485 int be_sure_to_add_VLC_COMMON_MEMBERS_to_struct; \
488 /* VLC_OBJECT: attempt at doing a clever cast */
489 #define VLC_OBJECT( x ) \
490 (((vlc_object_t *)(x))+0*(x)->be_sure_to_add_VLC_COMMON_MEMBERS_to_struct)
492 #define VLC_GC_MEMBERS \
493 /** \name VLC_GC_MEMBERS \
494 * these members are common to all objects that wish to be garbage-collected \
498 void (*pf_destructor) ( gc_object_t * ); \
499 void *p_destructor_arg; \
507 static inline void __vlc_gc_incref( gc_object_t * p_gc )
509 p_gc->i_gc_refcount ++;
512 static inline void __vlc_gc_decref( gc_object_t *p_gc )
516 p_gc->i_gc_refcount -- ;
518 if( p_gc->i_gc_refcount == 0 )
520 p_gc->pf_destructor( p_gc );
521 /* Do not use the p_gc pointer from now on ! */
526 __vlc_gc_init( gc_object_t * p_gc, void (*pf_destructor)( gc_object_t * ),
529 p_gc->i_gc_refcount = 1;
530 p_gc->pf_destructor = pf_destructor;
531 p_gc->p_destructor_arg = arg;
534 #define vlc_gc_incref( a ) __vlc_gc_incref( (gc_object_t *)a )
535 #define vlc_gc_decref( a ) __vlc_gc_decref( (gc_object_t *)a )
536 #define vlc_gc_init( a,b,c ) __vlc_gc_init( (gc_object_t *)a,b,c )
539 /*****************************************************************************
540 * Macros and inline functions
541 *****************************************************************************/
542 #ifdef NTOHL_IN_SYS_PARAM_H
543 # include <sys/param.h>
545 #elif !defined(WIN32) && !defined( UNDER_CE )
546 # include <netinet/in.h>
548 #endif /* NTOHL_IN_SYS_PARAM_H || WIN32 */
550 /* CEIL: division with round to nearest greater integer */
551 #define CEIL(n, d) ( ((n) / (d)) + ( ((n) % (d)) ? 1 : 0) )
553 /* PAD: PAD(n, d) = CEIL(n ,d) * d */
554 #define PAD(n, d) ( ((n) % (d)) ? ((((n) / (d)) + 1) * (d)) : (n) )
556 /* __MAX and __MIN: self explanatory */
558 # define __MAX(a, b) ( ((a) > (b)) ? (a) : (b) )
561 # define __MIN(a, b) ( ((a) < (b)) ? (a) : (b) )
564 static inline int64_t GCD( int64_t a, int64_t b )
575 /* function imported from libavutil/common.h */
576 static inline uint8_t clip_uint8_vlc( int32_t a )
578 if( a&(~255) ) return (-a)>>31;
582 /* Malloc with automatic error */
583 #define MALLOC_VOID( var, type ) do { var = (type*)malloc( sizeof( type) ); \
584 if( !var ) return; } while(0)
585 #define MALLOC_NULL( var, type ) do { var = (type*)malloc( sizeof( type) ); \
586 if( !var ) return NULL; } while(0)
587 #define MALLOC_ERR( var, type ) do { var = (type*)malloc( sizeof( type) ); \
588 if( !var ) return VLC_ENOMEM; } while(0)
589 #define MALLOC_GOTOERR( var, type ) do { var = (type*)malloc( sizeof( type) ); \
590 if( !var ) goto error; } while(0)
591 #define DECMALLOC_VOID( var, type ) type* var = (type*)malloc( sizeof(type) );\
593 #define DECMALLOC_ERR( var, type ) type* var = (type*)malloc( sizeof(type) );\
594 if( !var ) return VLC_ENOMEM;
595 #define DECMALLOC_NULL( var, type ) type* var = (type*)malloc( sizeof(type) );\
596 if( !var ) return NULL;
598 #define FREENULL(a) do { free( a ); a = NULL; } while(0)
600 #define EMPTY_STR(str) (!str || !*str)
602 VLC_EXPORT( char const *, vlc_error, ( int ) );
604 #include <vlc_arrays.h>
606 /* MSB (big endian)/LSB (little endian) conversions - network order is always
607 * MSB, and should be used for both network communications and files. Note that
608 * byte orders other than little and big endians are not supported, but only
609 * the VAX seems to have such exotic properties. */
610 static inline uint16_t U16_AT( const void * _p )
612 const uint8_t * p = (const uint8_t *)_p;
613 return ( ((uint16_t)p[0] << 8) | p[1] );
615 static inline uint32_t U32_AT( const void * _p )
617 const uint8_t * p = (const uint8_t *)_p;
618 return ( ((uint32_t)p[0] << 24) | ((uint32_t)p[1] << 16)
619 | ((uint32_t)p[2] << 8) | p[3] );
621 static inline uint64_t U64_AT( const void * _p )
623 const uint8_t * p = (const uint8_t *)_p;
624 return ( ((uint64_t)p[0] << 56) | ((uint64_t)p[1] << 48)
625 | ((uint64_t)p[2] << 40) | ((uint64_t)p[3] << 32)
626 | ((uint64_t)p[4] << 24) | ((uint64_t)p[5] << 16)
627 | ((uint64_t)p[6] << 8) | p[7] );
630 static inline uint16_t GetWLE( const void * _p )
632 const uint8_t * p = (const uint8_t *)_p;
633 return ( ((uint16_t)p[1] << 8) | p[0] );
635 static inline uint32_t GetDWLE( const void * _p )
637 const uint8_t * p = (const uint8_t *)_p;
638 return ( ((uint32_t)p[3] << 24) | ((uint32_t)p[2] << 16)
639 | ((uint32_t)p[1] << 8) | p[0] );
641 static inline uint64_t GetQWLE( const void * _p )
643 const uint8_t * p = (const uint8_t *)_p;
644 return ( ((uint64_t)p[7] << 56) | ((uint64_t)p[6] << 48)
645 | ((uint64_t)p[5] << 40) | ((uint64_t)p[4] << 32)
646 | ((uint64_t)p[3] << 24) | ((uint64_t)p[2] << 16)
647 | ((uint64_t)p[1] << 8) | p[0] );
650 #define GetWBE( p ) U16_AT( p )
651 #define GetDWBE( p ) U32_AT( p )
652 #define GetQWBE( p ) U64_AT( p )
654 /* Helper writer functions */
655 #define SetWLE( p, v ) _SetWLE( (uint8_t*)(p), v)
656 static inline void _SetWLE( uint8_t *p, uint16_t i_dw )
658 p[1] = ( i_dw >> 8 )&0xff;
659 p[0] = ( i_dw )&0xff;
662 #define SetDWLE( p, v ) _SetDWLE( (uint8_t*)(p), v)
663 static inline void _SetDWLE( uint8_t *p, uint32_t i_dw )
665 p[3] = ( i_dw >> 24 )&0xff;
666 p[2] = ( i_dw >> 16 )&0xff;
667 p[1] = ( i_dw >> 8 )&0xff;
668 p[0] = ( i_dw )&0xff;
670 #define SetQWLE( p, v ) _SetQWLE( (uint8_t*)(p), v)
671 static inline void _SetQWLE( uint8_t *p, uint64_t i_qw )
673 SetDWLE( p, i_qw&0xffffffff );
674 SetDWLE( p+4, ( i_qw >> 32)&0xffffffff );
676 #define SetWBE( p, v ) _SetWBE( (uint8_t*)(p), v)
677 static inline void _SetWBE( uint8_t *p, uint16_t i_dw )
679 p[0] = ( i_dw >> 8 )&0xff;
680 p[1] = ( i_dw )&0xff;
683 #define SetDWBE( p, v ) _SetDWBE( (uint8_t*)(p), v)
684 static inline void _SetDWBE( uint8_t *p, uint32_t i_dw )
686 p[0] = ( i_dw >> 24 )&0xff;
687 p[1] = ( i_dw >> 16 )&0xff;
688 p[2] = ( i_dw >> 8 )&0xff;
689 p[3] = ( i_dw )&0xff;
691 #define SetQWBE( p, v ) _SetQWBE( (uint8_t*)(p), v)
692 static inline void _SetQWBE( uint8_t *p, uint64_t i_qw )
694 SetDWBE( p+4, i_qw&0xffffffff );
695 SetDWBE( p, ( i_qw >> 32)&0xffffffff );
698 #define hton16(i) htons(i)
699 #define hton32(i) htonl(i)
700 #define ntoh16(i) ntohs(i)
701 #define ntoh32(i) ntohl(i)
703 #ifdef WORDS_BIGENDIAN
704 # define hton64(i) ( i )
705 # define ntoh64(i) ( i )
707 # define hton64(i) U64_AT(&i)
708 # define ntoh64(i) U64_AT(&i)
711 /* Format string sanity checks */
712 #ifdef HAVE_ATTRIBUTE_FORMAT
713 # define ATTRIBUTE_FORMAT(x,y) __attribute__ ((format(printf,x,y)))
715 # define ATTRIBUTE_FORMAT(x,y)
718 /* Alignment of critical static data structures */
719 #ifdef ATTRIBUTE_ALIGNED_MAX
720 # define ATTR_ALIGN(align) __attribute__ ((__aligned__ ((ATTRIBUTE_ALIGNED_MAX < align) ? ATTRIBUTE_ALIGNED_MAX : align)))
722 # define ATTR_ALIGN(align)
725 #ifdef HAVE_ATTRIBUTE_PACKED
726 # define ATTR_PACKED __attribute__((__packed__))
730 #define VLC_UNUSED(x) (void)(x)
732 /* Stuff defined in src/extras/libc.c */
733 VLC_EXPORT( char *, vlc_strdup, ( const char *s ) );
734 VLC_EXPORT( int, vlc_vasprintf, (char **, const char *, va_list ) );
735 VLC_EXPORT( int, vlc_asprintf, (char **, const char *, ... ) ATTRIBUTE_FORMAT( 2, 3 ) );
736 VLC_EXPORT( char *, vlc_strndup, ( const char *s, size_t n ) );
737 VLC_EXPORT( size_t, vlc_strlcpy, ( char *, const char *, size_t ) );
738 VLC_EXPORT( double, vlc_atof, ( const char *nptr ) );
739 VLC_EXPORT( int64_t, vlc_atoll, ( const char *nptr ) );
740 VLC_EXPORT( int64_t, vlc_strtoll, ( const char *nptr, char **endptr, int base ) );
741 VLC_EXPORT( size_t, vlc_strnlen, ( const char *, size_t ) );
743 #if defined(SYS_BEOS) \
744 || (defined (__FreeBSD__) && (__FreeBSD__ < 5))
746 long long quot; /* Quotient. */
747 long long rem; /* Remainder. */
750 VLC_EXPORT( lldiv_t, vlc_lldiv, ( long long numer, long long denom ) );
753 VLC_EXPORT( int, vlc_scandir, ( const char *name, struct dirent ***namelist, int (*filter) ( const struct dirent * ), int (*compar) ( const struct dirent **, const struct dirent ** ) ) );
754 VLC_EXPORT( int, vlc_alphasort, ( const struct dirent **a, const struct dirent **b ) );
756 VLC_EXPORT( char *, vlc_getenv, ( const char *name ) );
758 VLC_EXPORT( int, vlc_strcasecmp, ( const char *s1, const char *s2 ) );
759 VLC_EXPORT( int, vlc_strncasecmp, ( const char *s1, const char *s2, size_t n ) );
760 VLC_EXPORT( char *, vlc_strcasestr, ( const char *s1, const char *s2 ) );
764 VLC_INTERNAL( void *, vlc_wopendir, ( const wchar_t * ) );
765 VLC_INTERNAL( struct _wdirent *, vlc_wreaddir, ( void * ) );
766 VLC_EXPORT( int, vlc_wclosedir, ( void * ) );
767 VLC_INTERNAL( void, vlc_rewinddir, ( void * ) );
768 VLC_INTERNAL( void, vlc_seekdir, ( void *, long ) );
769 VLC_INTERNAL( long, vlc_telldir, ( void * ) );
770 # define opendir Use_utf8_opendir_or_vlc_wopendir_instead!
771 # define readdir Use_utf8_readdir_or_vlc_wreaddir_instead!
772 # define closedir vlc_wclosedir
773 # define _wopendir vlc_wopendir
774 # define _wreaddir vlc_wreaddir
775 # define _wclosedir vlc_wclosedir
776 # define rewinddir vlc_rewinddir
777 # define seekdir vlc_seekdir
778 # define telldir vlc_telldir
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
830 /* These two are not defined in mingw32 (bug?) */
832 # define snprintf _snprintf
835 # define vsnprintf _vsnprintf
841 VLC_EXPORT( bool, vlc_ureduce, ( unsigned *, unsigned *, uint64_t, uint64_t, uint64_t ) );
843 /* vlc_wraptext (defined in src/extras/libc.c) */
844 #define wraptext vlc_wraptext
845 VLC_EXPORT( char *, vlc_wraptext, ( const char *, int ) );
847 /* iconv wrappers (defined in src/extras/libc.c) */
848 typedef void *vlc_iconv_t;
849 VLC_EXPORT( vlc_iconv_t, vlc_iconv_open, ( const char *, const char * ) );
850 VLC_EXPORT( size_t, vlc_iconv, ( vlc_iconv_t, const char **, size_t *, char **, size_t * ) );
851 VLC_EXPORT( int, vlc_iconv_close, ( vlc_iconv_t ) );
853 /* execve wrapper (defined in src/extras/libc.c) */
854 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 ) );
855 #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)
857 /*****************************************************************************
859 *****************************************************************************/
860 #define CPU_CAPABILITY_NONE 0
861 #define CPU_CAPABILITY_486 (1<<0)
862 #define CPU_CAPABILITY_586 (1<<1)
863 #define CPU_CAPABILITY_PPRO (1<<2)
864 #define CPU_CAPABILITY_MMX (1<<3)
865 #define CPU_CAPABILITY_3DNOW (1<<4)
866 #define CPU_CAPABILITY_MMXEXT (1<<5)
867 #define CPU_CAPABILITY_SSE (1<<6)
868 #define CPU_CAPABILITY_SSE2 (1<<7)
869 #define CPU_CAPABILITY_ALTIVEC (1<<16)
870 #define CPU_CAPABILITY_FPU (1<<31)
871 VLC_EXPORT( unsigned, vlc_CPU, ( void ) );
873 typedef void *(*vlc_memcpy_t) (void *tgt, const void *src, size_t n);
874 typedef void *(*vlc_memset_t) (void *tgt, int c, size_t n);
876 VLC_EXPORT( void, vlc_fastmem_register, (vlc_memcpy_t cpy, vlc_memset_t set) );
877 VLC_EXPORT( void *, vlc_memcpy, ( void *, const void *, size_t ) );
878 VLC_EXPORT( void *, vlc_memset, ( void *, int, size_t ) );
880 /*****************************************************************************
882 *****************************************************************************/
884 VLC_EXPORT( char *, vlc_dgettext, ( const char *package, const char *msgid ) );
886 VLC_EXPORT( char *, vlc_gettext, ( const char *msgid ) );
888 /*****************************************************************************
890 *****************************************************************************/
891 VLC_EXPORT( const char *, VLC_Version, ( void ) );
892 VLC_EXPORT( const char *, VLC_CompileBy, ( void ) );
893 VLC_EXPORT( const char *, VLC_CompileHost, ( void ) );
894 VLC_EXPORT( const char *, VLC_CompileDomain, ( void ) );
895 VLC_EXPORT( const char *, VLC_Compiler, ( void ) );
896 VLC_EXPORT( const char *, VLC_Error, ( int ) );
897 VLC_EXPORT( const char *, VLC_Changeset, ( void ) );
899 /*****************************************************************************
900 * Additional vlc stuff
901 *****************************************************************************/
902 #include "vlc_messages.h"
903 #include "vlc_variables.h"
904 #include "vlc_objects.h"
905 #include "vlc_modules.h"
906 #include "vlc_main.h"
907 #include "vlc_configuration.h"
909 #if defined( WIN32 ) || defined( UNDER_CE )
910 # define DIR_SEP_CHAR '\\'
911 # define DIR_SEP "\\"
912 # define PATH_SEP_CHAR ';'
913 # define PATH_SEP ";"
915 # define DIR_SEP_CHAR '/'
917 # define PATH_SEP_CHAR ':'
918 # define PATH_SEP ":"