git.sesse.net Git - vlc/blob - 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 subpicture_region_t subpicture_region_t;
 281 typedef struct vout_synchro_t vout_synchro_t;
 282 typedef struct text_renderer_sys_t text_renderer_sys_t;
 283 typedef struct text_style_t text_style_t;
 284
 285 /* Stream output */
 286 typedef struct sout_instance_t sout_instance_t;
 287 typedef struct sout_instance_sys_t sout_instance_sys_t;
 288
 289 typedef struct sout_input_t sout_input_t;
 290 typedef struct sout_packetizer_input_t sout_packetizer_input_t;
 291
 292 typedef struct sout_access_out_t sout_access_out_t;
 293 typedef struct sout_access_out_sys_t   sout_access_out_sys_t;
 294
 295 typedef struct sout_mux_t sout_mux_t;
 296 typedef struct sout_mux_sys_t sout_mux_sys_t;
 297
 298 typedef struct sout_stream_t    sout_stream_t;
 299 typedef struct sout_stream_sys_t sout_stream_sys_t;
 300
 301 typedef struct sout_cfg_t       sout_cfg_t;
 302 typedef struct sap_session_t    sap_session_t;
 303 typedef struct sap_address_t sap_address_t;
 304 typedef struct session_descriptor_t session_descriptor_t;
 305 typedef struct announce_method_t announce_method_t;
 306 typedef struct announce_handler_t announce_handler_t;
 307 typedef struct sap_handler_t sap_handler_t;
 308 //typedef struct slp_session_t    slp_session_t;
 309
 310 /* Decoders */
 311 typedef struct decoder_t      decoder_t;
 312 typedef struct decoder_sys_t  decoder_sys_t;
 313
 314 /* Encoders */
 315 typedef struct encoder_t      encoder_t;
 316 typedef struct encoder_sys_t  encoder_sys_t;
 317
 318 /* Filters */
 319 typedef struct filter_t filter_t;
 320 typedef struct filter_sys_t filter_sys_t;
 321
 322 /* Misc */
 323 typedef struct data_packet_t data_packet_t;
 324 typedef struct data_buffer_t data_buffer_t;
 325 typedef struct stream_ctrl_t stream_ctrl_t;
 326 typedef struct pes_packet_t pes_packet_t;
 327 typedef struct network_socket_t network_socket_t;
 328 typedef struct iso639_lang_t iso639_lang_t;
 329
 330 /* block */
 331 typedef struct block_t      block_t;
 332 typedef struct block_fifo_t block_fifo_t;
 333
 334 /* httpd */
 335 typedef struct httpd_t          httpd_t;
 336 typedef struct httpd_host_t     httpd_host_t;
 337 typedef struct httpd_url_t      httpd_url_t;
 338 typedef struct httpd_client_t   httpd_client_t;
 339 typedef struct httpd_callback_sys_t httpd_callback_sys_t;
 340 typedef struct httpd_message_t  httpd_message_t;
 341 typedef int    (*httpd_callback_t)( httpd_callback_sys_t *, httpd_client_t *, httpd_message_t *answer, httpd_message_t *query );
 342 typedef struct httpd_file_t     httpd_file_t;
 343 typedef struct httpd_file_sys_t httpd_file_sys_t;
 344 typedef int (*httpd_file_callback_t)( httpd_file_sys_t*, httpd_file_t *, uint8_t *psz_request, uint8_t **pp_data, int *pi_data );
 345 typedef struct httpd_redirect_t httpd_redirect_t;
 346 typedef struct httpd_stream_t httpd_stream_t;
 347
 348 /* opengl */
 349 typedef struct opengl_t     opengl_t;
 350 typedef struct opengl_sys_t opengl_sys_t;
 351
 352 /* divers */
 353 typedef struct vlc_meta_t    vlc_meta_t;
 354
 355 typedef struct vlm_t         vlm_t;
 356 typedef struct vlm_message_t vlm_message_t;
 357
 358
 359 /*****************************************************************************
 360  * Variable callbacks
 361  *****************************************************************************/
 362 typedef int ( * vlc_callback_t ) ( vlc_object_t *,      /* variable's object */
 363                                    char const *,            /* variable name */
 364                                    vlc_value_t,                 /* old value */
 365                                    vlc_value_t,                 /* new value */
 366                                    void * );                /* callback data */
 367
 368 /*****************************************************************************
 369  * Plug-in stuff
 370  *****************************************************************************/
 371 #ifndef __PLUGIN__
 372 #   define VLC_EXPORT( type, name, args ) type name args
 373 #else
 374 #   define VLC_EXPORT( type, name, args ) struct _u_n_u_s_e_d_
 375     extern module_symbols_t* p_symbols;
 376 #endif
 377
 378 /*****************************************************************************
 379  * OS-specific headers and thread types
 380  *****************************************************************************/
 381 #if defined( WIN32 ) || defined( UNDER_CE )
 382 #   define WIN32_LEAN_AND_MEAN
 383 #   include <windows.h>
 384 #   define IS_WINNT ( GetVersion() < 0x80000000 )
 385 #endif
 386
 387 #include "vlc_threads.h"
 388
 389 /*****************************************************************************
 390  * Common structure members
 391  *****************************************************************************/
 392
 393 /* VLC_COMMON_MEMBERS : members common to all basic vlc objects */
 394 #define VLC_COMMON_MEMBERS                                                  \
 395 /** \name VLC_COMMON_MEMBERS                                                \
 396  * these members are common for all vlc objects                             \
 397  */                                                                         \
 398 /**@{*/                                                                     \
 399     int   i_object_id;                                                      \
 400     int   i_object_type;                                                    \
 401     char *psz_object_type;                                                  \
 402     char *psz_object_name;                                                  \
 403                                                                             \
 404     /* Thread properties, if any */                                         \
 405     vlc_bool_t   b_thread;                                                  \
 406     vlc_thread_t thread_id;                                                 \
 407                                                                             \
 408     /* Object access lock */                                                \
 409     vlc_mutex_t  object_lock;                                               \
 410     vlc_cond_t   object_wait;                                               \
 411                                                                             \
 412     /* Object properties */                                                 \
 413     volatile vlc_bool_t b_error;                  /**< set by the object */ \
 414     volatile vlc_bool_t b_die;                   /**< set by the outside */ \
 415     volatile vlc_bool_t b_dead;                   /**< set by the object */ \
 416     volatile vlc_bool_t b_attached;               /**< set by the object */ \
 417                                                                             \
 418     /* Object variables */                                                  \
 419     vlc_mutex_t     var_lock;                                               \
 420     int             i_vars;                                                 \
 421     variable_t *    p_vars;                                                 \
 422                                                                             \
 423     /* Stuff related to the libvlc structure */                             \
 424     libvlc_t *      p_libvlc;                      /**< root of all evil */ \
 425     vlc_t *         p_vlc;                   /**< (root of all evil) - 1 */ \
 426                                                                             \
 427     volatile int    i_refcount;                         /**< usage count */ \
 428     vlc_object_t *  p_parent;                            /**< our parent */ \
 429     vlc_object_t ** pp_children;                       /**< our children */ \
 430     volatile int    i_children;                                             \
 431                                                                             \
 432     /* Private data */                                                      \
 433     void *          p_private;                                              \
 434                                                                             \
 435     /** Just a reminder so that people don't cast garbage */                \
 436     int be_sure_to_add_VLC_COMMON_MEMBERS_to_struct;                        \
 437 /**@}*/                                                                     \
 438
 439 /* VLC_OBJECT: attempt at doing a clever cast */
 440 #define VLC_OBJECT( x ) \
 441     ((vlc_object_t *)(x))+0*(x)->be_sure_to_add_VLC_COMMON_MEMBERS_to_struct
 442
 443 /*****************************************************************************
 444  * Macros and inline functions
 445  *****************************************************************************/
 446 #ifdef NTOHL_IN_SYS_PARAM_H
 447 #   include <sys/param.h>
 448
 449 #elif !defined(WIN32) && !defined( UNDER_CE )
 450 #   include <netinet/in.h>
 451
 452 #endif /* NTOHL_IN_SYS_PARAM_H || WIN32 */
 453
 454 /* CEIL: division with round to nearest greater integer */
 455 #define CEIL(n, d)  ( ((n) / (d)) + ( ((n) % (d)) ? 1 : 0) )
 456
 457 /* PAD: PAD(n, d) = CEIL(n ,d) * d */
 458 #define PAD(n, d)   ( ((n) % (d)) ? ((((n) / (d)) + 1) * (d)) : (n) )
 459
 460 /* __MAX and __MIN: self explanatory */
 461 #ifndef __MAX
 462 #   define __MAX(a, b)   ( ((a) > (b)) ? (a) : (b) )
 463 #endif
 464 #ifndef __MIN
 465 #   define __MIN(a, b)   ( ((a) < (b)) ? (a) : (b) )
 466 #endif
 467
 468 /* Dynamic array handling: realloc array, move data, increment position */
 469 #define INSERT_ELEM( p_ar, i_oldsize, i_pos, elem )                           \
 470     do                                                                        \
 471     {                                                                         \
 472         if( i_oldsize )                                                       \
 473         {                                                                     \
 474             (p_ar) = realloc( p_ar, ((i_oldsize) + 1) * sizeof( *(p_ar) ) );  \
 475         }                                                                     \
 476         else                                                                  \
 477         {                                                                     \
 478             (p_ar) = malloc( ((i_oldsize) + 1) * sizeof( *(p_ar) ) );         \
 479         }                                                                     \
 480         if( (i_oldsize) - (i_pos) )                                           \
 481         {                                                                     \
 482             memmove( (p_ar) + (i_pos) + 1,                                    \
 483                      (p_ar) + (i_pos),                                        \
 484                      ((i_oldsize) - (i_pos)) * sizeof( *(p_ar) ) );           \
 485         }                                                                     \
 486         (p_ar)[i_pos] = elem;                                                 \
 487         (i_oldsize)++;                                                        \
 488     }                                                                         \
 489     while( 0 )
 490
 491 #define REMOVE_ELEM( p_ar, i_oldsize, i_pos )                                 \
 492     do                                                                        \
 493     {                                                                         \
 494         if( (i_oldsize) - (i_pos) - 1 )                                       \
 495         {                                                                     \
 496             memmove( (p_ar) + (i_pos),                                        \
 497                      (p_ar) + (i_pos) + 1,                                    \
 498                      ((i_oldsize) - (i_pos) - 1) * sizeof( *(p_ar) ) );       \
 499         }                                                                     \
 500         if( i_oldsize > 1 )                                                   \
 501         {                                                                     \
 502             (p_ar) = realloc( p_ar, ((i_oldsize) - 1) * sizeof( *(p_ar) ) );  \
 503         }                                                                     \
 504         else                                                                  \
 505         {                                                                     \
 506             free( p_ar );                                                     \
 507             (p_ar) = NULL;                                                    \
 508         }                                                                     \
 509         (i_oldsize)--;                                                        \
 510     }                                                                         \
 511     while( 0 )
 512
 513
 514 #define TAB_APPEND( count, tab, p )             \
 515     if( (count) > 0 )                           \
 516     {                                           \
 517         (tab) = realloc( tab, sizeof( void ** ) * ( (count) + 1 ) ); \
 518     }                                           \
 519     else                                        \
 520     {                                           \
 521         (tab) = malloc( sizeof( void ** ) );    \
 522     }                                           \
 523     (tab)[count] = (p);        \
 524     (count)++
 525
 526 #define TAB_FIND( count, tab, p, index )        \
 527     {                                           \
 528         int _i_;                                \
 529         (index) = -1;                           \
 530         for( _i_ = 0; _i_ < (count); _i_++ )    \
 531         {                                       \
 532             if( (tab)[_i_] == (p) )  \
 533             {                                   \
 534                 (index) = _i_;                  \
 535                 break;                          \
 536             }                                   \
 537         }                                       \
 538     }
 539
 540 #define TAB_REMOVE( count, tab, p )             \
 541     {                                           \
 542         int _i_index_;                          \
 543         TAB_FIND( count, tab, p, _i_index_ );   \
 544         if( _i_index_ >= 0 )                    \
 545         {                                       \
 546             if( (count) > 1 )                     \
 547             {                                   \
 548                 memmove( ((void**)(tab) + _i_index_),    \
 549                          ((void**)(tab) + _i_index_+1),  \
 550                          ( (count) - _i_index_ - 1 ) * sizeof( void* ) );\
 551             }                                   \
 552             (count)--;                          \
 553             if( (count) == 0 )                  \
 554             {                                   \
 555                 free( tab );                    \
 556                 (tab) = NULL;                   \
 557             }                                   \
 558         }                                       \
 559     }
 560
 561 /* MSB (big endian)/LSB (little endian) conversions - network order is always
 562  * MSB, and should be used for both network communications and files. Note that
 563  * byte orders other than little and big endians are not supported, but only
 564  * the VAX seems to have such exotic properties. */
 565 static inline uint16_t U16_AT( void const * _p )
 566 {
 567     uint8_t * p = (uint8_t *)_p;
 568     return ( ((uint16_t)p[0] << 8) | p[1] );
 569 }
 570 static inline uint32_t U32_AT( void const * _p )
 571 {
 572     uint8_t * p = (uint8_t *)_p;
 573     return ( ((uint32_t)p[0] << 24) | ((uint32_t)p[1] << 16)
 574               | ((uint32_t)p[2] << 8) | p[3] );
 575 }
 576 static inline uint64_t U64_AT( void const * _p )
 577 {
 578     uint8_t * p = (uint8_t *)_p;
 579     return ( ((uint64_t)p[0] << 56) | ((uint64_t)p[1] << 48)
 580               | ((uint64_t)p[2] << 40) | ((uint64_t)p[3] << 32)
 581               | ((uint64_t)p[4] << 24) | ((uint64_t)p[5] << 16)
 582               | ((uint64_t)p[6] << 8) | p[7] );
 583 }
 584
 585 static inline uint16_t GetWLE( void const * _p )
 586 {
 587     uint8_t * p = (uint8_t *)_p;
 588     return ( ((uint16_t)p[1] << 8) | p[0] );
 589 }
 590 static inline uint32_t GetDWLE( void const * _p )
 591 {
 592     uint8_t * p = (uint8_t *)_p;
 593     return ( ((uint32_t)p[3] << 24) | ((uint32_t)p[2] << 16)
 594               | ((uint32_t)p[1] << 8) | p[0] );
 595 }
 596 static inline uint64_t GetQWLE( void const * _p )
 597 {
 598     uint8_t * p = (uint8_t *)_p;
 599     return ( ((uint64_t)p[7] << 56) | ((uint64_t)p[6] << 48)
 600               | ((uint64_t)p[5] << 40) | ((uint64_t)p[4] << 32)
 601               | ((uint64_t)p[3] << 24) | ((uint64_t)p[2] << 16)
 602               | ((uint64_t)p[1] << 8) | p[0] );
 603 }
 604
 605 #define GetWBE( p )     U16_AT( p )
 606 #define GetDWBE( p )    U32_AT( p )
 607 #define GetQWBE( p )    U64_AT( p )
 608
 609 /* Helper writer functions */
 610
 611 #define SetWLE( p, v ) _SetWLE( (uint8_t*)p, v)
 612 static inline void _SetWLE( uint8_t *p, uint16_t i_dw )
 613 {
 614     p[1] = ( i_dw >>  8 )&0xff;
 615     p[0] = ( i_dw       )&0xff;
 616 }
 617
 618 #define SetDWLE( p, v ) _SetDWLE( (uint8_t*)p, v)
 619 static inline void _SetDWLE( uint8_t *p, uint32_t i_dw )
 620 {
 621     p[3] = ( i_dw >> 24 )&0xff;
 622     p[2] = ( i_dw >> 16 )&0xff;
 623     p[1] = ( i_dw >>  8 )&0xff;
 624     p[0] = ( i_dw       )&0xff;
 625 }
 626 #define SetQWLE( p, v ) _SetQWLE( (uint8_t*)p, v)
 627 static inline void _SetQWLE( uint8_t *p, uint64_t i_qw )
 628 {
 629     SetDWLE( p,   i_qw&0xffffffff );
 630     SetDWLE( p+4, ( i_qw >> 32)&0xffffffff );
 631 }
 632
 633 #if WORDS_BIGENDIAN
 634 #   define hton16(i)   ( i )
 635 #   define hton32(i)   ( i )
 636 #   define hton64(i)   ( i )
 637 #   define ntoh16(i)   ( i )
 638 #   define ntoh32(i)   ( i )
 639 #   define ntoh64(i)   ( i )
 640 #else
 641 #   define hton16(i)   U16_AT(&i)
 642 #   define hton32(i)   U32_AT(&i)
 643 #   define hton64(i)   U64_AT(&i)
 644 #   define ntoh16(i)   U16_AT(&i)
 645 #   define ntoh32(i)   U32_AT(&i)
 646 #   define ntoh64(i)   U64_AT(&i)
 647 #endif
 648
 649 /* Format string sanity checks */
 650 #ifdef HAVE_ATTRIBUTE_FORMAT
 651 #   define ATTRIBUTE_FORMAT(x,y) __attribute__ ((format(printf,x,y)))
 652 #else
 653 #   define ATTRIBUTE_FORMAT(x,y)
 654 #endif
 655
 656 /* Alignment of critical static data structures */
 657 #ifdef ATTRIBUTE_ALIGNED_MAX
 658 #   define ATTR_ALIGN(align) __attribute__ ((__aligned__ ((ATTRIBUTE_ALIGNED_MAX < align) ? ATTRIBUTE_ALIGNED_MAX : align)))
 659 #else
 660 #   define ATTR_ALIGN(align)
 661 #endif
 662
 663 /* Alignment of critical dynamic data structure
 664  *
 665  * Not all platforms support memalign so we provide a vlc_memalign wrapper
 666  * void *vlc_memalign( size_t align, size_t size, void **pp_orig )
 667  * *pp_orig is the pointer that has to be freed afterwards.
 668  */
 669 #if 0
 670 #ifdef HAVE_POSIX_MEMALIGN
 671 #   define vlc_memalign(align,size,pp_orig) \
 672     ( !posix_memalign( pp_orig, align, size ) ? *(pp_orig) : NULL )
 673 #endif
 674 #endif
 675 #ifdef HAVE_MEMALIGN
 676     /* Some systems have memalign() but no declaration for it */
 677     void * memalign( size_t align, size_t size );
 678
 679 #   define vlc_memalign(pp_orig,align,size) \
 680     ( *(pp_orig) = memalign( align, size ) )
 681
 682 #else /* We don't have any choice but to align manually */
 683 #   define vlc_memalign(pp_orig,align,size) \
 684     (( *(pp_orig) = malloc( size + align - 1 )) \
 685         ? (void *)( (((unsigned long)*(pp_orig)) + (unsigned long)(align-1) ) \
 686                        & (~(unsigned long)(align-1)) ) \
 687         : NULL )
 688
 689 #endif
 690
 691 /* Stuff defined in src/extras/libc.c */
 692 #ifndef HAVE_STRDUP
 693 #   define strdup vlc_strdup
 694     VLC_EXPORT( char *, vlc_strdup, ( const char *s ) );
 695 #elif !defined(__PLUGIN__)
 696 #   define vlc_strdup NULL
 697 #endif
 698
 699 #if !defined(HAVE_VASPRINTF) || defined(SYS_DARWIN) || defined(SYS_BEOS)
 700 #   define vasprintf vlc_vasprintf
 701     VLC_EXPORT( int, vlc_vasprintf, (char **, const char *, va_list ) );
 702 #elif !defined(__PLUGIN__)
 703 #   define vlc_vasprintf NULL
 704 #endif
 705
 706 #if !defined(HAVE_ASPRINTF) || defined(SYS_DARWIN) || defined(SYS_BEOS)
 707 #   define asprintf vlc_asprintf
 708     VLC_EXPORT( int, vlc_asprintf, (char **, const char *, ... ) );
 709 #elif !defined(__PLUGIN__)
 710 #   define vlc_asprintf NULL
 711 #endif
 712
 713 #ifndef HAVE_STRNDUP
 714 #   if defined(STRNDUP_IN_GNOME_H) && \
 715         (defined(MODULE_NAME_IS_gnome)||defined(MODULE_NAME_IS_gnome_main)||\
 716          defined(MODULE_NAME_IS_gnome2)||defined(MODULE_NAME_IS_gnome2_main))
 717         /* Do nothing: gnome.h defines strndup for us */
 718 #   else
 719 #       define strndup vlc_strndup
 720         VLC_EXPORT( char *, vlc_strndup, ( const char *s, size_t n ) );
 721 #   endif
 722 #elif !defined(__PLUGIN__)
 723 #   define vlc_strndup NULL
 724 #endif
 725
 726 #ifndef HAVE_ATOF
 727 #   define atof vlc_atof
 728     VLC_EXPORT( double, vlc_atof, ( const char *nptr ) );
 729 #elif !defined(__PLUGIN__)
 730 #   define vlc_atof NULL
 731 #endif
 732
 733 #ifndef HAVE_ATOLL
 734 #   define atoll vlc_atoll
 735     VLC_EXPORT( int64_t, vlc_atoll, ( const char *nptr ) );
 736 #elif !defined(__PLUGIN__)
 737 #   define vlc_atoll NULL
 738 #endif
 739
 740 #ifndef HAVE_GETENV
 741 #   define getenv vlc_getenv
 742     VLC_EXPORT( char *, vlc_getenv, ( const char *name ) );
 743 #elif !defined(__PLUGIN__)
 744 #   define vlc_getenv NULL
 745 #endif
 746
 747 #ifndef HAVE_STRCASECMP
 748 #   ifndef HAVE_STRICMP
 749 #       define strcasecmp vlc_strcasecmp
 750         VLC_EXPORT( int, vlc_strcasecmp, ( const char *s1, const char *s2 ) );
 751 #   else
 752 #       define strcasecmp stricmp
 753 #       if !defined(__PLUGIN__)
 754 #           define vlc_strcasecmp NULL
 755 #       endif
 756 #   endif
 757 #elif !defined(__PLUGIN__)
 758 #   define vlc_strcasecmp NULL
 759 #endif
 760
 761 #ifndef HAVE_STRNCASECMP
 762 #   ifndef HAVE_STRNICMP
 763 #       define strncasecmp vlc_strncasecmp
 764         VLC_EXPORT( int, vlc_strncasecmp, ( const char *s1, const char *s2, size_t n ) );
 765 #   else
 766 #       define strncasecmp strnicmp
 767 #       if !defined(__PLUGIN__)
 768 #           define vlc_strncasecmp NULL
 769 #       endif
 770 #   endif
 771 #elif !defined(__PLUGIN__)
 772 #   define vlc_strncasecmp NULL
 773 #endif
 774
 775 #ifndef HAVE_STRCASESTR
 776 #   ifndef HAVE_STRISTR
 777 #       define strcasestr vlc_strcasestr
 778         VLC_EXPORT( char *, vlc_strcasestr, ( const char *s1, const char *s2 ) );
 779 #   else
 780 #       define strcasestr stristr
 781 #       if !defined(__PLUGIN__)
 782 #           define vlc_strcasestr NULL
 783 #       endif
 784 #   endif
 785 #elif !defined(__PLUGIN__)
 786 #   define vlc_strcasestr NULL
 787 #endif
 788
 789 /* Format type specifiers for 64 bits numbers */
 790 #if !defined(WIN32) && !defined(UNDER_CE)
 791 #   define I64Fd "%lld"
 792 #   define I64Fi "%lli"
 793 #   define I64Fo "%llo"
 794 #   define I64Fu "%llu"
 795 #   define I64Fx "%llx"
 796 #   define I64FX "%llX"
 797 #else
 798 #   define I64Fd "%I64d"
 799 #   define I64Fi "%I64i"
 800 #   define I64Fo "%I64o"
 801 #   define I64Fu "%I64u"
 802 #   define I64Fx "%I64x"
 803 #   define I64FX "%I64X"
 804 #endif /* defined(WIN32)||defined(UNDER_CE) */
 805
 806 /* 64 bits integer constant suffix */
 807 #if defined( __MINGW32__ ) || (!defined(WIN32) && !defined(UNDER_CE))
 808 #   define I64C(x)         x##LL
 809 #   define UI64C(x)        x##ULL
 810 #else
 811 #   define I64C(x)         x##i64
 812 #   define UI64C(x)        x##ui64
 813 #endif /* defined(WIN32)||defined(UNDER_CE) */
 814
 815 #if defined(WIN32) || defined(UNDER_CE)
 816 /* win32, cl and icl support */
 817 #   if defined( _MSC_VER ) || !defined( __MINGW32__ )
 818 #       define __attribute__(x)
 819 #       define __inline__      __inline
 820 #       define S_IFBLK         0x3000  /* Block */
 821 #       define S_ISBLK(m)      (0)
 822 #       define S_ISCHR(m)      (0)
 823 #       define S_ISFIFO(m)     (((m)&_S_IFMT) == _S_IFIFO)
 824 #       define S_ISREG(m)      (((m)&_S_IFMT) == _S_IFREG)
 825 #   endif
 826
 827 /* several type definitions */
 828 #   if defined( __MINGW32__ )
 829 #       if !defined( _OFF_T_ )
 830 typedef long long _off_t;
 831 typedef _off_t off_t;
 832 #           define _OFF_T_
 833 #       else
 834 #           ifdef off_t
 835 #               undef off_t
 836 #           endif
 837 #           define off_t long long
 838 #       endif
 839 #   endif
 840
 841 #   if defined( _MSC_VER )
 842 #       if !defined( _OFF_T_DEFINED )
 843 typedef __int64 off_t;
 844 #           define _OFF_T_DEFINED
 845 #       else
 846 #           define off_t __int64
 847 #       endif
 848 #   endif
 849
 850 #   if defined( __BORLANDC__ )
 851 #       undef off_t
 852 #       define off_t unsigned __int64
 853 #   endif
 854
 855 #   ifndef O_NONBLOCK
 856 #       define O_NONBLOCK 0
 857 #   endif
 858
 859 #   ifndef alloca
 860 #       define alloca _alloca
 861 #   endif
 862
 863     /* These two are not defined in mingw32 (bug?) */
 864 #   ifndef snprintf
 865 #       define snprintf _snprintf
 866 #   endif
 867 #   ifndef vsnprintf
 868 #       define vsnprintf _vsnprintf
 869 #   endif
 870
 871 #endif
 872
 873 /* lseek (defined in src/extras/libc.c) */
 874 #ifndef HAVE_LSEEK
 875 #   define lseek vlc_lseek
 876     VLC_EXPORT( off_t, vlc_lseek, ( int fildes, off_t offset, int whence ) );
 877 #elif !defined(__PLUGIN__)
 878 #   define vlc_lseek NULL
 879 #endif
 880
 881 /* vlc_wraptext (defined in src/extras/libc.c) */
 882 #define wraptext vlc_wraptext
 883 VLC_EXPORT( char *, vlc_wraptext, ( const char *, int, vlc_bool_t ) );
 884
 885 /*****************************************************************************
 886  * CPU capabilities
 887  *****************************************************************************/
 888 #define CPU_CAPABILITY_NONE    0
 889 #define CPU_CAPABILITY_486     (1<<0)
 890 #define CPU_CAPABILITY_586     (1<<1)
 891 #define CPU_CAPABILITY_PPRO    (1<<2)
 892 #define CPU_CAPABILITY_MMX     (1<<3)
 893 #define CPU_CAPABILITY_3DNOW   (1<<4)
 894 #define CPU_CAPABILITY_MMXEXT  (1<<5)
 895 #define CPU_CAPABILITY_SSE     (1<<6)
 896 #define CPU_CAPABILITY_SSE2    (1<<7)
 897 #define CPU_CAPABILITY_ALTIVEC (1<<16)
 898 #define CPU_CAPABILITY_FPU     (1<<31)
 899
 900 /*****************************************************************************
 901  * I18n stuff
 902  *****************************************************************************/
 903 VLC_EXPORT( char *, vlc_dgettext, ( const char *package, const char *msgid ) );
 904
 905 #if defined( ENABLE_NLS ) && \
 906      (defined(MODULE_NAME_IS_gnome)||defined(MODULE_NAME_IS_gnome_main)||\
 907       defined(MODULE_NAME_IS_gnome2)||defined(MODULE_NAME_IS_gnome2_main)||\
 908       defined(MODULE_NAME_IS_pda))
 909     /* Declare nothing: gnome.h will do it for us */
 910 #elif defined( ENABLE_NLS )
 911 #if defined( HAVE_INCLUDED_GETTEXT )
 912 #   include "libintl.h"
 913 #else
 914 #   include <libintl.h>
 915 #endif
 916 #   undef _
 917 #if defined( __BORLANDC__ )
 918 #define _(String) vlc_dgettext (PACKAGE_TARNAME, String)
 919 #else
 920 #   define _(String) vlc_dgettext (PACKAGE, String)
 921 #endif
 922 #   define N_(String) ((char*)(String))
 923 #else
 924 #   define _(String) ((char*)(String))
 925 #   define N_(String) ((char*)(String))
 926 #endif
 927
 928 /*****************************************************************************
 929  * Additional vlc stuff
 930  *****************************************************************************/
 931 #include "vlc_symbols.h"
 932 #include "os_specific.h"
 933 #include "vlc_messages.h"
 934 #include "variables.h"
 935 #include "vlc_objects.h"
 936 #include "vlc_threads_funcs.h"
 937 #include "mtime.h"
 938 #include "modules.h"
 939 #include "main.h"
 940 #include "configuration.h"
 941
 942 #if defined( __BORLANDC__ )
 943 #   undef PACKAGE
 944 #   define PACKAGE
 945 #endif
 946