]> git.sesse.net Git - vlc/blob - include/vlc_common.h
* src/misc/mtime.c, include/mtime.h: new common "date" API for date incrementation...
[vlc] / include / vlc_common.h
1 /*****************************************************************************
2  * common.h: common definitions
3  * Collection of useful common types and macros definitions
4  *****************************************************************************
5  * Copyright (C) 1998-2004 VideoLAN
6  * $Id$
7  *
8  * Authors: Samuel Hocevar <sam@via.ecp.fr>
9  *          Vincent Seguin <seguin@via.ecp.fr>
10  *          Gildas Bazin <gbazin@netcourrier.com>
11  *
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.
16  *
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.
21  *
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., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
25  *****************************************************************************/
26
27 /**
28  * \file
29  * This file is a collection of common definitions and types
30  */
31
32 /*****************************************************************************
33  * Required vlc headers
34  *****************************************************************************/
35 #if defined( __BORLANDC__ )
36 #   undef PACKAGE
37 #endif
38
39 #include "config.h"
40
41 #if defined( __BORLANDC__ )
42 #   undef HAVE_VARIADIC_MACROS
43 #   undef HAVE_STDINT_H
44 #   undef HAVE_INTTYPES_H
45 #   undef off_t
46 #elif defined( _MSC_VER )
47 #   pragma warning( disable : 4244 )
48 #endif
49
50 #include "vlc_config.h"
51 #include "modules_inner.h"
52
53 /*****************************************************************************
54  * Required system headers
55  *****************************************************************************/
56 #include <stdlib.h>
57 #include <stdarg.h>
58
59 #ifdef HAVE_STRING_H
60 #   include <string.h>                                         /* strerror() */
61 #endif
62
63 #ifdef HAVE_SYS_TYPES_H
64 #   include <sys/types.h>
65 #endif
66
67 /*****************************************************************************
68  * Basic types definitions
69  *****************************************************************************/
70 #if defined( HAVE_STDINT_H )
71 #   include <stdint.h>
72 #elif defined( HAVE_INTTYPES_H )
73 #   include <inttypes.h>
74 #elif defined( SYS_CYGWIN )
75 #   include <sys/types.h>
76     /* Cygwin only defines half of these... */
77     typedef u_int8_t            uint8_t;
78     typedef u_int16_t           uint16_t;
79     typedef u_int32_t           uint32_t;
80     typedef u_int64_t           uint64_t;
81 #else
82     /* Fallback types (very x86-centric, sorry) */
83     typedef unsigned char       uint8_t;
84     typedef signed char         int8_t;
85     typedef unsigned short      uint16_t;
86     typedef signed short        int16_t;
87     typedef unsigned int        uint32_t;
88     typedef signed int          int32_t;
89 #   if defined( _MSC_VER ) \
90       || defined( UNDER_CE ) \
91       || ( defined( WIN32 ) && !defined( __MINGW32__ ) )
92     typedef unsigned __int64    uint64_t;
93     typedef signed __int64      int64_t;
94 #   else
95     typedef unsigned long long  uint64_t;
96     typedef signed long long    int64_t;
97 #   endif
98     typedef uint32_t            uintptr_t;
99     typedef int32_t             intptr_t;
100 #endif
101
102 typedef uint8_t                 byte_t;
103
104 /* ptrdiff_t definition */
105 #ifdef HAVE_STDDEF_H
106 #   include <stddef.h>
107 #else
108 #   include <malloc.h>
109 #   ifndef _PTRDIFF_T
110 #       define _PTRDIFF_T
111 /* Not portable in a 64-bit environment. */
112 typedef int                 ptrdiff_t;
113 #   endif
114 #endif
115
116 #if defined( WIN32 )
117 #   include <malloc.h>
118 #   ifndef PATH_MAX
119 #       define PATH_MAX MAX_PATH
120 #   endif
121 #endif
122
123 #if (defined( WIN32 ) || defined( UNDER_CE )) && !defined( _SSIZE_T_ )
124 typedef int                 ssize_t;
125 #endif
126
127 /* Counter for statistics and profiling */
128 typedef unsigned long       count_t;
129
130 /* DCT elements types */
131 typedef int16_t             dctelem_t;
132
133 /* Video buffer types */
134 typedef uint8_t             yuv_data_t;
135
136 /* Audio volume */
137 typedef uint16_t            audio_volume_t;
138
139 #ifndef HAVE_SOCKLEN_T
140 typedef int                 socklen_t;
141 #endif
142
143 /**
144  * High precision date or time interval
145  *
146  * Store a high precision date or time interval. The maximum precision is the
147  * microsecond, and a 64 bits integer is used to avoid overflows (maximum
148  * time interval is then 292271 years, which should be long enough for any
149  * video). Dates are stored as microseconds since a common date (usually the
150  * epoch). Note that date and time intervals can be manipulated using regular
151  * arithmetic operators, and that no special functions are required.
152  */
153 typedef int64_t mtime_t;
154
155 /**
156  * The vlc_fourcc_t type.
157  *
158  * See http://www.webartz.com/fourcc/ for a very detailed list.
159  */
160 typedef uint32_t vlc_fourcc_t;
161
162 #ifdef WORDS_BIGENDIAN
163 #   define VLC_FOURCC( a, b, c, d ) \
164         ( ((uint32_t)d) | ( ((uint32_t)c) << 8 ) \
165            | ( ((uint32_t)b) << 16 ) | ( ((uint32_t)a) << 24 ) )
166 #   define VLC_TWOCC( a, b ) \
167         ( (uint16_t)(b) | ( (uint16_t)(a) << 8 ) )
168
169 #else
170 #   define VLC_FOURCC( a, b, c, d ) \
171         ( ((uint32_t)a) | ( ((uint32_t)b) << 8 ) \
172            | ( ((uint32_t)c) << 16 ) | ( ((uint32_t)d) << 24 ) )
173 #   define VLC_TWOCC( a, b ) \
174         ( (uint16_t)(a) | ( (uint16_t)(b) << 8 ) )
175
176 #endif
177
178 /*****************************************************************************
179  * Classes declaration
180  *****************************************************************************/
181
182 /* Internal types */
183 typedef struct libvlc_t libvlc_t;
184 typedef struct vlc_t vlc_t;
185 typedef struct variable_t variable_t;
186 typedef struct date_t date_t;
187
188 /* Messages */
189 typedef struct msg_bank_t msg_bank_t;
190 typedef struct msg_subscription_t msg_subscription_t;
191
192 /* Playlist */
193
194 /* FIXME */
195 /**
196  * Playlist commands
197  */
198 typedef enum {
199     PLAYLIST_PLAY,                              /**< Starts playing. No arg. */
200     PLAYLIST_PAUSE,                     /**< Toggles playlist pause. No arg. */
201     PLAYLIST_STOP,                               /**< Stops playing. No arg. */
202     PLAYLIST_SKIP,                               /**< Skip X items and play. */
203     PLAYLIST_GOTO,                                       /**< Goto Xth item. */
204 } playlist_command_t;
205
206
207 typedef struct playlist_t playlist_t;
208 typedef struct playlist_item_t playlist_item_t;
209 typedef struct playlist_group_t playlist_group_t;
210 typedef struct playlist_export_t playlist_export_t;
211
212 /* Modules */
213 typedef struct module_bank_t module_bank_t;
214 typedef struct module_t module_t;
215 typedef struct module_config_t module_config_t;
216 typedef struct module_symbols_t module_symbols_t;
217 typedef struct module_cache_t module_cache_t;
218
219 /* Interface */
220 typedef struct intf_thread_t intf_thread_t;
221 typedef struct intf_sys_t intf_sys_t;
222 typedef struct intf_console_t intf_console_t;
223 typedef struct intf_msg_t intf_msg_t;
224 typedef struct intf_channel_t intf_channel_t;
225
226 /* Input */
227 typedef struct input_thread_t input_thread_t;
228 typedef struct input_thread_sys_t input_thread_sys_t;
229 typedef struct input_item_t input_item_t;
230 typedef struct input_area_t input_area_t;
231 typedef struct input_buffers_t input_buffers_t;
232 typedef struct input_socket_t input_socket_t;
233 typedef struct access_sys_t access_sys_t;
234 typedef struct demux_sys_t demux_sys_t;
235 typedef struct es_descriptor_t es_descriptor_t;
236 typedef struct es_sys_t es_sys_t;
237 typedef struct pgrm_descriptor_t pgrm_descriptor_t;
238 typedef struct pgrm_sys_t pgrm_sys_t;
239 typedef struct stream_descriptor_t stream_descriptor_t;
240 typedef struct seekpoint_t seekpoint_t;
241 typedef struct info_t info_t;
242 typedef struct info_category_t info_category_t;
243
244 /* Format */
245 typedef struct audio_format_t audio_format_t;
246 typedef struct video_format_t video_format_t;
247 typedef struct subs_format_t subs_format_t;
248 typedef struct es_format_t es_format_t;
249 typedef struct video_palette_t video_palette_t;
250
251 /* NInput */
252 typedef struct stream_sys_t stream_sys_t;
253 typedef struct stream_t     stream_t;
254 typedef struct es_out_t     es_out_t;
255 typedef struct es_out_id_t  es_out_id_t;
256 typedef struct es_out_sys_t es_out_sys_t;
257 typedef struct demux_t  demux_t;
258 typedef struct access_t access_t;
259
260 /* Audio */
261 typedef struct aout_instance_t aout_instance_t;
262 typedef struct aout_sys_t aout_sys_t;
263 typedef struct aout_fifo_t aout_fifo_t;
264 typedef struct aout_input_t aout_input_t;
265 typedef struct aout_buffer_t aout_buffer_t;
266 typedef audio_format_t audio_sample_format_t;
267 typedef struct audio_date_t audio_date_t;
268 typedef struct aout_filter_t aout_filter_t;
269
270 /* Video */
271 typedef struct vout_thread_t vout_thread_t;
272 typedef struct vout_sys_t vout_sys_t;
273 typedef struct chroma_sys_t chroma_sys_t;
274 typedef video_format_t video_frame_format_t;
275 typedef struct picture_t picture_t;
276 typedef struct picture_sys_t picture_sys_t;
277 typedef struct picture_heap_t picture_heap_t;
278 typedef struct subpicture_t subpicture_t;
279 typedef struct subpicture_sys_t subpicture_sys_t;
280 typedef struct vout_synchro_t vout_synchro_t;
281 typedef struct text_renderer_sys_t text_renderer_sys_t;
282 typedef struct text_style_t text_style_t;
283
284 /* Stream output */
285 typedef struct sout_instance_t sout_instance_t;
286 typedef struct sout_instance_sys_t sout_instance_sys_t;
287
288 typedef struct sout_input_t sout_input_t;
289 typedef struct sout_packetizer_input_t sout_packetizer_input_t;
290
291 typedef struct sout_access_out_t sout_access_out_t;
292 typedef struct sout_access_out_sys_t   sout_access_out_sys_t;
293
294 typedef struct sout_mux_t sout_mux_t;
295 typedef struct sout_mux_sys_t sout_mux_sys_t;
296
297 typedef struct sout_stream_t    sout_stream_t;
298 typedef struct sout_stream_sys_t sout_stream_sys_t;
299
300 typedef struct sout_cfg_t       sout_cfg_t;
301 typedef struct sap_session_t    sap_session_t;
302 typedef struct sap_address_t sap_address_t;
303 typedef struct session_descriptor_t session_descriptor_t;
304 typedef struct announce_method_t announce_method_t;
305 typedef struct announce_handler_t announce_handler_t;
306 typedef struct sap_handler_t sap_handler_t;
307 //typedef struct slp_session_t    slp_session_t;
308
309 /* Decoders */
310 typedef struct decoder_t      decoder_t;
311 typedef struct decoder_sys_t  decoder_sys_t;
312
313 /* Encoders */
314 typedef struct encoder_t      encoder_t;
315 typedef struct encoder_sys_t  encoder_sys_t;
316
317 /* Misc */
318 typedef struct data_packet_t data_packet_t;
319 typedef struct data_buffer_t data_buffer_t;
320 typedef struct stream_ctrl_t stream_ctrl_t;
321 typedef struct pes_packet_t pes_packet_t;
322 typedef struct network_socket_t network_socket_t;
323 typedef struct iso639_lang_t iso639_lang_t;
324
325 /* block */
326 typedef struct block_t      block_t;
327 typedef struct block_fifo_t block_fifo_t;
328
329 /* httpd */
330 typedef struct httpd_t          httpd_t;
331 typedef struct httpd_host_t     httpd_host_t;
332 typedef struct httpd_url_t      httpd_url_t;
333 typedef struct httpd_client_t   httpd_client_t;
334 typedef struct httpd_callback_sys_t httpd_callback_sys_t;
335 typedef struct httpd_message_t  httpd_message_t;
336 typedef int    (*httpd_callback_t)( httpd_callback_sys_t *, httpd_client_t *, httpd_message_t *answer, httpd_message_t *query );
337 typedef struct httpd_file_t     httpd_file_t;
338 typedef struct httpd_file_sys_t httpd_file_sys_t;
339 typedef int (*httpd_file_callback_t)( httpd_file_sys_t*, httpd_file_t *, uint8_t *psz_request, uint8_t **pp_data, int *pi_data );
340 typedef struct httpd_redirect_t httpd_redirect_t;
341 typedef struct httpd_stream_t httpd_stream_t;
342
343 /* divers */
344 typedef struct vlc_meta_t    vlc_meta_t;
345
346 typedef struct vlm_t         vlm_t;
347 typedef struct vlm_message_t vlm_message_t;
348
349
350 /*****************************************************************************
351  * Variable callbacks
352  *****************************************************************************/
353 typedef int ( * vlc_callback_t ) ( vlc_object_t *,      /* variable's object */
354                                    char const *,            /* variable name */
355                                    vlc_value_t,                 /* old value */
356                                    vlc_value_t,                 /* new value */
357                                    void * );                /* callback data */
358
359 /*****************************************************************************
360  * Plug-in stuff
361  *****************************************************************************/
362 #ifndef __PLUGIN__
363 #   define VLC_EXPORT( type, name, args ) type name args
364 #else
365 #   define VLC_EXPORT( type, name, args ) struct _u_n_u_s_e_d_
366     extern module_symbols_t* p_symbols;
367 #endif
368
369 /*****************************************************************************
370  * OS-specific headers and thread types
371  *****************************************************************************/
372 #if defined( WIN32 ) || defined( UNDER_CE )
373 #   define WIN32_LEAN_AND_MEAN
374 #   include <windows.h>
375 #   define IS_WINNT ( GetVersion() < 0x80000000 )
376 #endif
377
378 #include "vlc_threads.h"
379
380 /*****************************************************************************
381  * Common structure members
382  *****************************************************************************/
383
384 /* VLC_COMMON_MEMBERS : members common to all basic vlc objects */
385 #define VLC_COMMON_MEMBERS                                                  \
386 /** \name VLC_COMMON_MEMBERS                                                \
387  * these members are common for all vlc objects                             \
388  */                                                                         \
389 /**@{*/                                                                     \
390     int   i_object_id;                                                      \
391     int   i_object_type;                                                    \
392     char *psz_object_type;                                                  \
393     char *psz_object_name;                                                  \
394                                                                             \
395     /* Thread properties, if any */                                         \
396     vlc_bool_t   b_thread;                                                  \
397     vlc_thread_t thread_id;                                                 \
398                                                                             \
399     /* Object access lock */                                                \
400     vlc_mutex_t  object_lock;                                               \
401     vlc_cond_t   object_wait;                                               \
402                                                                             \
403     /* Object properties */                                                 \
404     volatile vlc_bool_t b_error;                  /**< set by the object */ \
405     volatile vlc_bool_t b_die;                   /**< set by the outside */ \
406     volatile vlc_bool_t b_dead;                   /**< set by the object */ \
407     volatile vlc_bool_t b_attached;               /**< set by the object */ \
408                                                                             \
409     /* Object variables */                                                  \
410     vlc_mutex_t     var_lock;                                               \
411     int             i_vars;                                                 \
412     variable_t *    p_vars;                                                 \
413                                                                             \
414     /* Stuff related to the libvlc structure */                             \
415     libvlc_t *      p_libvlc;                      /**< root of all evil */ \
416     vlc_t *         p_vlc;                   /**< (root of all evil) - 1 */ \
417                                                                             \
418     volatile int    i_refcount;                         /**< usage count */ \
419     vlc_object_t *  p_parent;                            /**< our parent */ \
420     vlc_object_t ** pp_children;                       /**< our children */ \
421     volatile int    i_children;                                             \
422                                                                             \
423     /* Private data */                                                      \
424     void *          p_private;                                              \
425                                                                             \
426     /** Just a reminder so that people don't cast garbage */                \
427     int be_sure_to_add_VLC_COMMON_MEMBERS_to_struct;                        \
428 /**@}*/                                                                     \
429
430 /* VLC_OBJECT: attempt at doing a clever cast */
431 #define VLC_OBJECT( x ) \
432     ((vlc_object_t *)(x))+0*(x)->be_sure_to_add_VLC_COMMON_MEMBERS_to_struct
433
434 /*****************************************************************************
435  * Macros and inline functions
436  *****************************************************************************/
437 #ifdef NTOHL_IN_SYS_PARAM_H
438 #   include <sys/param.h>
439
440 #elif !defined(WIN32) && !defined( UNDER_CE )
441 #   include <netinet/in.h>
442
443 #endif /* NTOHL_IN_SYS_PARAM_H || WIN32 */
444
445 /* CEIL: division with round to nearest greater integer */
446 #define CEIL(n, d)  ( ((n) / (d)) + ( ((n) % (d)) ? 1 : 0) )
447
448 /* PAD: PAD(n, d) = CEIL(n ,d) * d */
449 #define PAD(n, d)   ( ((n) % (d)) ? ((((n) / (d)) + 1) * (d)) : (n) )
450
451 /* __MAX and __MIN: self explanatory */
452 #ifndef __MAX
453 #   define __MAX(a, b)   ( ((a) > (b)) ? (a) : (b) )
454 #endif
455 #ifndef __MIN
456 #   define __MIN(a, b)   ( ((a) < (b)) ? (a) : (b) )
457 #endif
458
459 /* Dynamic array handling: realloc array, move data, increment position */
460 #define INSERT_ELEM( p_ar, i_oldsize, i_pos, elem )                           \
461     do                                                                        \
462     {                                                                         \
463         if( i_oldsize )                                                       \
464         {                                                                     \
465             (p_ar) = realloc( p_ar, ((i_oldsize) + 1) * sizeof( *(p_ar) ) );  \
466         }                                                                     \
467         else                                                                  \
468         {                                                                     \
469             (p_ar) = malloc( ((i_oldsize) + 1) * sizeof( *(p_ar) ) );         \
470         }                                                                     \
471         if( (i_oldsize) - (i_pos) )                                           \
472         {                                                                     \
473             memmove( (p_ar) + (i_pos) + 1,                                    \
474                      (p_ar) + (i_pos),                                        \
475                      ((i_oldsize) - (i_pos)) * sizeof( *(p_ar) ) );           \
476         }                                                                     \
477         (p_ar)[i_pos] = elem;                                                 \
478         (i_oldsize)++;                                                        \
479     }                                                                         \
480     while( 0 )
481
482 #define REMOVE_ELEM( p_ar, i_oldsize, i_pos )                                 \
483     do                                                                        \
484     {                                                                         \
485         if( (i_oldsize) - (i_pos) - 1 )                                       \
486         {                                                                     \
487             memmove( (p_ar) + (i_pos),                                        \
488                      (p_ar) + (i_pos) + 1,                                    \
489                      ((i_oldsize) - (i_pos) - 1) * sizeof( *(p_ar) ) );       \
490         }                                                                     \
491         if( i_oldsize > 1 )                                                   \
492         {                                                                     \
493             (p_ar) = realloc( p_ar, ((i_oldsize) - 1) * sizeof( *(p_ar) ) );  \
494         }                                                                     \
495         else                                                                  \
496         {                                                                     \
497             free( p_ar );                                                     \
498             (p_ar) = NULL;                                                    \
499         }                                                                     \
500         (i_oldsize)--;                                                        \
501     }                                                                         \
502     while( 0 )
503
504
505 #define TAB_APPEND( count, tab, p )             \
506     if( (count) > 0 )                           \
507     {                                           \
508         (tab) = realloc( tab, sizeof( void ** ) * ( (count) + 1 ) ); \
509     }                                           \
510     else                                        \
511     {                                           \
512         (tab) = malloc( sizeof( void ** ) );    \
513     }                                           \
514     (tab)[count] = (p);        \
515     (count)++
516
517 #define TAB_FIND( count, tab, p, index )        \
518     {                                           \
519         int _i_;                                \
520         (index) = -1;                           \
521         for( _i_ = 0; _i_ < (count); _i_++ )    \
522         {                                       \
523             if( (tab)[_i_] == (p) )  \
524             {                                   \
525                 (index) = _i_;                  \
526                 break;                          \
527             }                                   \
528         }                                       \
529     }
530
531 #define TAB_REMOVE( count, tab, p )             \
532     {                                           \
533         int _i_index_;                          \
534         TAB_FIND( count, tab, p, _i_index_ );   \
535         if( _i_index_ >= 0 )                    \
536         {                                       \
537             if( (count) > 1 )                     \
538             {                                   \
539                 memmove( ((void**)(tab) + _i_index_),    \
540                          ((void**)(tab) + _i_index_+1),  \
541                          ( (count) - _i_index_ - 1 ) * sizeof( void* ) );\
542             }                                   \
543             (count)--;                          \
544             if( (count) == 0 )                  \
545             {                                   \
546                 free( tab );                    \
547                 (tab) = NULL;                   \
548             }                                   \
549         }                                       \
550     }
551
552 /* MSB (big endian)/LSB (little endian) conversions - network order is always
553  * MSB, and should be used for both network communications and files. Note that
554  * byte orders other than little and big endians are not supported, but only
555  * the VAX seems to have such exotic properties. */
556 static inline uint16_t U16_AT( void const * _p )
557 {
558     uint8_t * p = (uint8_t *)_p;
559     return ( ((uint16_t)p[0] << 8) | p[1] );
560 }
561 static inline uint32_t U32_AT( void const * _p )
562 {
563     uint8_t * p = (uint8_t *)_p;
564     return ( ((uint32_t)p[0] << 24) | ((uint32_t)p[1] << 16)
565               | ((uint32_t)p[2] << 8) | p[3] );
566 }
567 static inline uint64_t U64_AT( void const * _p )
568 {
569     uint8_t * p = (uint8_t *)_p;
570     return ( ((uint64_t)p[0] << 56) | ((uint64_t)p[1] << 48)
571               | ((uint64_t)p[2] << 40) | ((uint64_t)p[3] << 32)
572               | ((uint64_t)p[4] << 24) | ((uint64_t)p[5] << 16)
573               | ((uint64_t)p[6] << 8) | p[7] );
574 }
575
576 static inline uint16_t GetWLE( void const * _p )
577 {
578     uint8_t * p = (uint8_t *)_p;
579     return ( ((uint16_t)p[1] << 8) | p[0] );
580 }
581 static inline uint32_t GetDWLE( void const * _p )
582 {
583     uint8_t * p = (uint8_t *)_p;
584     return ( ((uint32_t)p[3] << 24) | ((uint32_t)p[2] << 16)
585               | ((uint32_t)p[1] << 8) | p[0] );
586 }
587 static inline uint64_t GetQWLE( void const * _p )
588 {
589     uint8_t * p = (uint8_t *)_p;
590     return ( ((uint64_t)p[7] << 56) | ((uint64_t)p[6] << 48)
591               | ((uint64_t)p[5] << 40) | ((uint64_t)p[4] << 32)
592               | ((uint64_t)p[3] << 24) | ((uint64_t)p[2] << 16)
593               | ((uint64_t)p[1] << 8) | p[0] );
594 }
595
596 #define GetWBE( p )     U16_AT( p )
597 #define GetDWBE( p )    U32_AT( p )
598 #define GetQWBE( p )    U64_AT( p )
599
600 /* Helper writer functions */
601
602 #define SetWLE( p, v ) _SetWLE( (uint8_t*)p, v)
603 static inline void _SetWLE( uint8_t *p, uint16_t i_dw )
604 {
605     p[1] = ( i_dw >>  8 )&0xff;
606     p[0] = ( i_dw       )&0xff;
607 }
608
609 #define SetDWLE( p, v ) _SetDWLE( (uint8_t*)p, v)
610 static inline void _SetDWLE( uint8_t *p, uint32_t i_dw )
611 {
612     p[3] = ( i_dw >> 24 )&0xff;
613     p[2] = ( i_dw >> 16 )&0xff;
614     p[1] = ( i_dw >>  8 )&0xff;
615     p[0] = ( i_dw       )&0xff;
616 }
617 #define SetQWLE( p, v ) _SetQWLE( (uint8_t*)p, v)
618 static inline void _SetQWLE( uint8_t *p, uint64_t i_qw )
619 {
620     SetDWLE( p,   i_qw&0xffffffff );
621     SetDWLE( p+4, ( i_qw >> 32)&0xffffffff );
622 }
623
624 #if WORDS_BIGENDIAN
625 #   define hton16(i)   ( i )
626 #   define hton32(i)   ( i )
627 #   define hton64(i)   ( i )
628 #   define ntoh16(i)   ( i )
629 #   define ntoh32(i)   ( i )
630 #   define ntoh64(i)   ( i )
631 #else
632 #   define hton16(i)   U16_AT(&i)
633 #   define hton32(i)   U32_AT(&i)
634 #   define hton64(i)   U64_AT(&i)
635 #   define ntoh16(i)   U16_AT(&i)
636 #   define ntoh32(i)   U32_AT(&i)
637 #   define ntoh64(i)   U64_AT(&i)
638 #endif
639
640 /* Format string sanity checks */
641 #ifdef HAVE_ATTRIBUTE_FORMAT
642 #   define ATTRIBUTE_FORMAT(x,y) __attribute__ ((format(printf,x,y)))
643 #else
644 #   define ATTRIBUTE_FORMAT(x,y)
645 #endif
646
647 /* Alignment of critical static data structures */
648 #ifdef ATTRIBUTE_ALIGNED_MAX
649 #   define ATTR_ALIGN(align) __attribute__ ((__aligned__ ((ATTRIBUTE_ALIGNED_MAX < align) ? ATTRIBUTE_ALIGNED_MAX : align)))
650 #else
651 #   define ATTR_ALIGN(align)
652 #endif
653
654 /* Alignment of critical dynamic data structure
655  *
656  * Not all platforms support memalign so we provide a vlc_memalign wrapper
657  * void *vlc_memalign( size_t align, size_t size, void **pp_orig )
658  * *pp_orig is the pointer that has to be freed afterwards.
659  */
660 #if 0
661 #ifdef HAVE_POSIX_MEMALIGN
662 #   define vlc_memalign(align,size,pp_orig) \
663     ( !posix_memalign( pp_orig, align, size ) ? *(pp_orig) : NULL )
664 #endif
665 #endif
666 #ifdef HAVE_MEMALIGN
667     /* Some systems have memalign() but no declaration for it */
668     void * memalign( size_t align, size_t size );
669
670 #   define vlc_memalign(pp_orig,align,size) \
671     ( *(pp_orig) = memalign( align, size ) )
672
673 #else /* We don't have any choice but to align manually */
674 #   define vlc_memalign(pp_orig,align,size) \
675     (( *(pp_orig) = malloc( size + align - 1 )) \
676         ? (void *)( (((unsigned long)*(pp_orig)) + (unsigned long)(align-1) ) \
677                        & (~(unsigned long)(align-1)) ) \
678         : NULL )
679
680 #endif
681
682 /* Stuff defined in src/extras/libc.c */
683 #ifndef HAVE_STRDUP
684 #   define strdup vlc_strdup
685     VLC_EXPORT( char *, vlc_strdup, ( const char *s ) );
686 #elif !defined(__PLUGIN__)
687 #   define vlc_strdup NULL
688 #endif
689
690 #if !defined(HAVE_VASPRINTF) || defined(SYS_DARWIN) || defined(SYS_BEOS)
691 #   define vasprintf vlc_vasprintf
692     VLC_EXPORT( int, vlc_vasprintf, (char **, const char *, va_list ) );
693 #elif !defined(__PLUGIN__)
694 #   define vlc_vasprintf NULL
695 #endif
696
697 #if !defined(HAVE_ASPRINTF) || defined(SYS_DARWIN) || defined(SYS_BEOS)
698 #   define asprintf vlc_asprintf
699     VLC_EXPORT( int, vlc_asprintf, (char **, const char *, ... ) );
700 #elif !defined(__PLUGIN__)
701 #   define vlc_asprintf NULL
702 #endif
703
704 #ifndef HAVE_STRNDUP
705 #   if defined(STRNDUP_IN_GNOME_H) && \
706         (defined(MODULE_NAME_IS_gnome)||defined(MODULE_NAME_IS_gnome_main)||\
707          defined(MODULE_NAME_IS_gnome2)||defined(MODULE_NAME_IS_gnome2_main))
708         /* Do nothing: gnome.h defines strndup for us */
709 #   else
710 #       define strndup vlc_strndup
711         VLC_EXPORT( char *, vlc_strndup, ( const char *s, size_t n ) );
712 #   endif
713 #elif !defined(__PLUGIN__)
714 #   define vlc_strndup NULL
715 #endif
716
717 #ifndef HAVE_ATOF
718 #   define atof vlc_atof
719     VLC_EXPORT( double, vlc_atof, ( const char *nptr ) );
720 #elif !defined(__PLUGIN__)
721 #   define vlc_atof NULL
722 #endif
723
724 #ifndef HAVE_ATOLL
725 #   define atoll vlc_atoll
726     VLC_EXPORT( int64_t, vlc_atoll, ( const char *nptr ) );
727 #elif !defined(__PLUGIN__)
728 #   define vlc_atoll NULL
729 #endif
730
731 #ifndef HAVE_GETENV
732 #   define getenv vlc_getenv
733     VLC_EXPORT( char *, vlc_getenv, ( const char *name ) );
734 #elif !defined(__PLUGIN__)
735 #   define vlc_getenv NULL
736 #endif
737
738 #ifndef HAVE_STRCASECMP
739 #   ifndef HAVE_STRICMP
740 #       define strcasecmp vlc_strcasecmp
741         VLC_EXPORT( int, vlc_strcasecmp, ( const char *s1, const char *s2 ) );
742 #   else
743 #       define strcasecmp stricmp
744 #       if !defined(__PLUGIN__)
745 #           define vlc_strcasecmp NULL
746 #       endif
747 #   endif
748 #elif !defined(__PLUGIN__)
749 #   define vlc_strcasecmp NULL
750 #endif
751
752 #ifndef HAVE_STRNCASECMP
753 #   ifndef HAVE_STRNICMP
754 #       define strncasecmp vlc_strncasecmp
755         VLC_EXPORT( int, vlc_strncasecmp, ( const char *s1, const char *s2, size_t n ) );
756 #   else
757 #       define strncasecmp strnicmp
758 #       if !defined(__PLUGIN__)
759 #           define vlc_strncasecmp NULL
760 #       endif
761 #   endif
762 #elif !defined(__PLUGIN__)
763 #   define vlc_strncasecmp NULL
764 #endif
765
766 #ifndef HAVE_STRCASESTR
767 #   ifndef HAVE_STRISTR
768 #       define strcasestr vlc_strcasestr
769         VLC_EXPORT( char *, vlc_strcasestr, ( const char *s1, const char *s2 ) );
770 #   else
771 #       define strcasestr stristr
772 #       if !defined(__PLUGIN__)
773 #           define vlc_strcasestr NULL
774 #       endif
775 #   endif
776 #elif !defined(__PLUGIN__)
777 #   define vlc_strcasestr NULL
778 #endif
779
780 /* Format type specifiers for 64 bits numbers */
781 #if !defined(WIN32) && !defined(UNDER_CE)
782 #   define I64Fd "%lld"
783 #   define I64Fi "%lli"
784 #   define I64Fo "%llo"
785 #   define I64Fu "%llu"
786 #   define I64Fx "%llx"
787 #   define I64FX "%llX"
788 #else
789 #   define I64Fd "%I64d"
790 #   define I64Fi "%I64i"
791 #   define I64Fo "%I64o"
792 #   define I64Fu "%I64u"
793 #   define I64Fx "%I64x"
794 #   define I64FX "%I64X"
795 #endif /* defined(WIN32)||defined(UNDER_CE) */
796
797 /* 64 bits integer constant suffix */
798 #if defined( __MINGW32__ ) || (!defined(WIN32) && !defined(UNDER_CE))
799 #   define I64C(x)         x##LL
800 #   define UI64C(x)        x##ULL
801 #else
802 #   define I64C(x)         x##i64
803 #   define UI64C(x)        x##ui64
804 #endif /* defined(WIN32)||defined(UNDER_CE) */
805
806 #if defined(WIN32) || defined(UNDER_CE)
807 /* win32, cl and icl support */
808 #   if defined( _MSC_VER ) || !defined( __MINGW32__ )
809 #       define __attribute__(x)
810 #       define __inline__      __inline
811 #       define S_IFBLK         0x3000  /* Block */
812 #       define S_ISBLK(m)      (0)
813 #       define S_ISCHR(m)      (0)
814 #       define S_ISFIFO(m)     (((m)&_S_IFMT) == _S_IFIFO)
815 #       define S_ISREG(m)      (((m)&_S_IFMT) == _S_IFREG)
816 #   endif
817
818 /* several type definitions */
819 #   if defined( __MINGW32__ )
820 #       if !defined( _OFF_T_ )
821 typedef long long _off_t;
822 typedef _off_t off_t;
823 #           define _OFF_T_
824 #       else
825 #           ifdef off_t
826 #               undef off_t
827 #           endif
828 #           define off_t long long
829 #       endif
830 #   endif
831
832 #   if defined( _MSC_VER )
833 #       if !defined( _OFF_T_DEFINED )
834 typedef __int64 off_t;
835 #           define _OFF_T_DEFINED
836 #       else
837 #           define off_t __int64
838 #       endif
839 #   endif
840
841 #   if defined( __BORLANDC__ )
842 #       undef off_t
843 #       define off_t unsigned __int64
844 #   endif
845
846 #   ifndef O_NONBLOCK
847 #       define O_NONBLOCK 0
848 #   endif
849
850 #   ifndef alloca
851 #       define alloca _alloca
852 #   endif
853
854     /* These two are not defined in mingw32 (bug?) */
855 #   ifndef snprintf
856 #       define snprintf _snprintf
857 #   endif
858 #   ifndef vsnprintf
859 #       define vsnprintf _vsnprintf
860 #   endif
861
862 #endif
863
864 /* lseek (defined in src/extras/libc.c) */
865 #ifndef HAVE_LSEEK
866 #   define lseek vlc_lseek
867     VLC_EXPORT( off_t, vlc_lseek, ( int fildes, off_t offset, int whence ) );
868 #elif !defined(__PLUGIN__)
869 #   define vlc_lseek NULL
870 #endif
871
872 /* vlc_wraptext (defined in src/extras/libc.c) */
873 #define wraptext vlc_wraptext
874 VLC_EXPORT( char *, vlc_wraptext, ( const char *, int, vlc_bool_t ) );
875
876 /*****************************************************************************
877  * CPU capabilities
878  *****************************************************************************/
879 #define CPU_CAPABILITY_NONE    0
880 #define CPU_CAPABILITY_486     (1<<0)
881 #define CPU_CAPABILITY_586     (1<<1)
882 #define CPU_CAPABILITY_PPRO    (1<<2)
883 #define CPU_CAPABILITY_MMX     (1<<3)
884 #define CPU_CAPABILITY_3DNOW   (1<<4)
885 #define CPU_CAPABILITY_MMXEXT  (1<<5)
886 #define CPU_CAPABILITY_SSE     (1<<6)
887 #define CPU_CAPABILITY_SSE2    (1<<7)
888 #define CPU_CAPABILITY_ALTIVEC (1<<16)
889 #define CPU_CAPABILITY_FPU     (1<<31)
890
891 /*****************************************************************************
892  * I18n stuff
893  *****************************************************************************/
894 VLC_EXPORT( char *, vlc_dgettext, ( const char *package, const char *msgid ) );
895
896 #if defined( ENABLE_NLS ) && \
897      (defined(MODULE_NAME_IS_gnome)||defined(MODULE_NAME_IS_gnome_main)||\
898       defined(MODULE_NAME_IS_gnome2)||defined(MODULE_NAME_IS_gnome2_main)||\
899       defined(MODULE_NAME_IS_pda))
900     /* Declare nothing: gnome.h will do it for us */
901 #elif defined( ENABLE_NLS )
902 #if defined( HAVE_INCLUDED_GETTEXT )
903 #   include "libintl.h"
904 #else
905 #   include <libintl.h>
906 #endif
907 #   undef _
908 #if defined( __BORLANDC__ )
909 #define _(String) vlc_dgettext (PACKAGE_TARNAME, String)
910 #else
911 #   define _(String) vlc_dgettext (PACKAGE, String)
912 #endif
913 #   define N_(String) ((char*)(String))
914 #else
915 #   define _(String) ((char*)(String))
916 #   define N_(String) ((char*)(String))
917 #endif
918
919 /*****************************************************************************
920  * Additional vlc stuff
921  *****************************************************************************/
922 #include "vlc_symbols.h"
923 #include "os_specific.h"
924 #include "vlc_messages.h"
925 #include "variables.h"
926 #include "vlc_objects.h"
927 #include "vlc_threads_funcs.h"
928 #include "mtime.h"
929 #include "modules.h"
930 #include "main.h"
931 #include "configuration.h"
932
933 #if defined( __BORLANDC__ )
934 #   undef PACKAGE
935 #   define PACKAGE
936 #endif
937