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     vlc_bool_t b_force;      /**< set by the outside (eg. module_Need()) */ \
 418                                                                             \
 419     /* Object variables */                                                  \
 420     vlc_mutex_t     var_lock;                                               \
 421     int             i_vars;                                                 \
 422     variable_t *    p_vars;                                                 \
 423                                                                             \
 424     /* Stuff related to the libvlc structure */                             \
 425     libvlc_t *      p_libvlc;                      /**< root of all evil */ \
 426     vlc_t *         p_vlc;                   /**< (root of all evil) - 1 */ \
 427                                                                             \
 428     volatile int    i_refcount;                         /**< usage count */ \
 429     vlc_object_t *  p_parent;                            /**< our parent */ \
 430     vlc_object_t ** pp_children;                       /**< our children */ \
 431     volatile int    i_children;                                             \
 432                                                                             \
 433     /* Private data */                                                      \
 434     void *          p_private;                                              \
 435                                                                             \
 436     /** Just a reminder so that people don't cast garbage */                \
 437     int be_sure_to_add_VLC_COMMON_MEMBERS_to_struct;                        \
 438 /**@}*/                                                                     \
 439
 440 /* VLC_OBJECT: attempt at doing a clever cast */
 441 #define VLC_OBJECT( x ) \
 442     ((vlc_object_t *)(x))+0*(x)->be_sure_to_add_VLC_COMMON_MEMBERS_to_struct
 443
 444 /*****************************************************************************
 445  * Macros and inline functions
 446  *****************************************************************************/
 447 #ifdef NTOHL_IN_SYS_PARAM_H
 448 #   include <sys/param.h>
 449
 450 #elif !defined(WIN32) && !defined( UNDER_CE )
 451 #   include <netinet/in.h>
 452
 453 #endif /* NTOHL_IN_SYS_PARAM_H || WIN32 */
 454
 455 /* CEIL: division with round to nearest greater integer */
 456 #define CEIL(n, d)  ( ((n) / (d)) + ( ((n) % (d)) ? 1 : 0) )
 457
 458 /* PAD: PAD(n, d) = CEIL(n ,d) * d */
 459 #define PAD(n, d)   ( ((n) % (d)) ? ((((n) / (d)) + 1) * (d)) : (n) )
 460
 461 /* __MAX and __MIN: self explanatory */
 462 #ifndef __MAX
 463 #   define __MAX(a, b)   ( ((a) > (b)) ? (a) : (b) )
 464 #endif
 465 #ifndef __MIN
 466 #   define __MIN(a, b)   ( ((a) < (b)) ? (a) : (b) )
 467 #endif
 468
 469 /* Dynamic array handling: realloc array, move data, increment position */
 470 #define INSERT_ELEM( p_ar, i_oldsize, i_pos, elem )                           \
 471     do                                                                        \
 472     {                                                                         \
 473         if( i_oldsize )                                                       \
 474         {                                                                     \
 475             (p_ar) = realloc( p_ar, ((i_oldsize) + 1) * sizeof( *(p_ar) ) );  \
 476         }                                                                     \
 477         else                                                                  \
 478         {                                                                     \
 479             (p_ar) = malloc( ((i_oldsize) + 1) * sizeof( *(p_ar) ) );         \
 480         }                                                                     \
 481         if( (i_oldsize) - (i_pos) )                                           \
 482         {                                                                     \
 483             memmove( (p_ar) + (i_pos) + 1,                                    \
 484                      (p_ar) + (i_pos),                                        \
 485                      ((i_oldsize) - (i_pos)) * sizeof( *(p_ar) ) );           \
 486         }                                                                     \
 487         (p_ar)[i_pos] = elem;                                                 \
 488         (i_oldsize)++;                                                        \
 489     }                                                                         \
 490     while( 0 )
 491
 492 #define REMOVE_ELEM( p_ar, i_oldsize, i_pos )                                 \
 493     do                                                                        \
 494     {                                                                         \
 495         if( (i_oldsize) - (i_pos) - 1 )                                       \
 496         {                                                                     \
 497             memmove( (p_ar) + (i_pos),                                        \
 498                      (p_ar) + (i_pos) + 1,                                    \
 499                      ((i_oldsize) - (i_pos) - 1) * sizeof( *(p_ar) ) );       \
 500         }                                                                     \
 501         if( i_oldsize > 1 )                                                   \
 502         {                                                                     \
 503             (p_ar) = realloc( p_ar, ((i_oldsize) - 1) * sizeof( *(p_ar) ) );  \
 504         }                                                                     \
 505         else                                                                  \
 506         {                                                                     \
 507             free( p_ar );                                                     \
 508             (p_ar) = NULL;                                                    \
 509         }                                                                     \
 510         (i_oldsize)--;                                                        \
 511     }                                                                         \
 512     while( 0 )
 513
 514
 515 #define TAB_APPEND( count, tab, p )             \
 516     if( (count) > 0 )                           \
 517     {                                           \
 518         (tab) = realloc( tab, sizeof( void ** ) * ( (count) + 1 ) ); \
 519     }                                           \
 520     else                                        \
 521     {                                           \
 522         (tab) = malloc( sizeof( void ** ) );    \
 523     }                                           \
 524     (tab)[count] = (p);        \
 525     (count)++
 526
 527 #define TAB_FIND( count, tab, p, index )        \
 528     {                                           \
 529         int _i_;                                \
 530         (index) = -1;                           \
 531         for( _i_ = 0; _i_ < (count); _i_++ )    \
 532         {                                       \
 533             if( (tab)[_i_] == (p) )  \
 534             {                                   \
 535                 (index) = _i_;                  \
 536                 break;                          \
 537             }                                   \
 538         }                                       \
 539     }
 540
 541 #define TAB_REMOVE( count, tab, p )             \
 542     {                                           \
 543         int _i_index_;                          \
 544         TAB_FIND( count, tab, p, _i_index_ );   \
 545         if( _i_index_ >= 0 )                    \
 546         {                                       \
 547             if( (count) > 1 )                     \
 548             {                                   \
 549                 memmove( ((void**)(tab) + _i_index_),    \
 550                          ((void**)(tab) + _i_index_+1),  \
 551                          ( (count) - _i_index_ - 1 ) * sizeof( void* ) );\
 552             }                                   \
 553             (count)--;                          \
 554             if( (count) == 0 )                  \
 555             {                                   \
 556                 free( tab );                    \
 557                 (tab) = NULL;                   \
 558             }                                   \
 559         }                                       \
 560     }
 561
 562 /* MSB (big endian)/LSB (little endian) conversions - network order is always
 563  * MSB, and should be used for both network communications and files. Note that
 564  * byte orders other than little and big endians are not supported, but only
 565  * the VAX seems to have such exotic properties. */
 566 static inline uint16_t U16_AT( void const * _p )
 567 {
 568     uint8_t * p = (uint8_t *)_p;
 569     return ( ((uint16_t)p[0] << 8) | p[1] );
 570 }
 571 static inline uint32_t U32_AT( void const * _p )
 572 {
 573     uint8_t * p = (uint8_t *)_p;
 574     return ( ((uint32_t)p[0] << 24) | ((uint32_t)p[1] << 16)
 575               | ((uint32_t)p[2] << 8) | p[3] );
 576 }
 577 static inline uint64_t U64_AT( void const * _p )
 578 {
 579     uint8_t * p = (uint8_t *)_p;
 580     return ( ((uint64_t)p[0] << 56) | ((uint64_t)p[1] << 48)
 581               | ((uint64_t)p[2] << 40) | ((uint64_t)p[3] << 32)
 582               | ((uint64_t)p[4] << 24) | ((uint64_t)p[5] << 16)
 583               | ((uint64_t)p[6] << 8) | p[7] );
 584 }
 585
 586 static inline uint16_t GetWLE( void const * _p )
 587 {
 588     uint8_t * p = (uint8_t *)_p;
 589     return ( ((uint16_t)p[1] << 8) | p[0] );
 590 }
 591 static inline uint32_t GetDWLE( void const * _p )
 592 {
 593     uint8_t * p = (uint8_t *)_p;
 594     return ( ((uint32_t)p[3] << 24) | ((uint32_t)p[2] << 16)
 595               | ((uint32_t)p[1] << 8) | p[0] );
 596 }
 597 static inline uint64_t GetQWLE( void const * _p )
 598 {
 599     uint8_t * p = (uint8_t *)_p;
 600     return ( ((uint64_t)p[7] << 56) | ((uint64_t)p[6] << 48)
 601               | ((uint64_t)p[5] << 40) | ((uint64_t)p[4] << 32)
 602               | ((uint64_t)p[3] << 24) | ((uint64_t)p[2] << 16)
 603               | ((uint64_t)p[1] << 8) | p[0] );
 604 }
 605
 606 #define GetWBE( p )     U16_AT( p )
 607 #define GetDWBE( p )    U32_AT( p )
 608 #define GetQWBE( p )    U64_AT( p )
 609
 610 /* Helper writer functions */
 611
 612 #define SetWLE( p, v ) _SetWLE( (uint8_t*)p, v)
 613 static inline void _SetWLE( uint8_t *p, uint16_t i_dw )
 614 {
 615     p[1] = ( i_dw >>  8 )&0xff;
 616     p[0] = ( i_dw       )&0xff;
 617 }
 618
 619 #define SetDWLE( p, v ) _SetDWLE( (uint8_t*)p, v)
 620 static inline void _SetDWLE( uint8_t *p, uint32_t i_dw )
 621 {
 622     p[3] = ( i_dw >> 24 )&0xff;
 623     p[2] = ( i_dw >> 16 )&0xff;
 624     p[1] = ( i_dw >>  8 )&0xff;
 625     p[0] = ( i_dw       )&0xff;
 626 }
 627 #define SetQWLE( p, v ) _SetQWLE( (uint8_t*)p, v)
 628 static inline void _SetQWLE( uint8_t *p, uint64_t i_qw )
 629 {
 630     SetDWLE( p,   i_qw&0xffffffff );
 631     SetDWLE( p+4, ( i_qw >> 32)&0xffffffff );
 632 }
 633
 634 #if WORDS_BIGENDIAN
 635 #   define hton16(i)   ( i )
 636 #   define hton32(i)   ( i )
 637 #   define hton64(i)   ( i )
 638 #   define ntoh16(i)   ( i )
 639 #   define ntoh32(i)   ( i )
 640 #   define ntoh64(i)   ( i )
 641 #else
 642 #   define hton16(i)   U16_AT(&i)
 643 #   define hton32(i)   U32_AT(&i)
 644 #   define hton64(i)   U64_AT(&i)
 645 #   define ntoh16(i)   U16_AT(&i)
 646 #   define ntoh32(i)   U32_AT(&i)
 647 #   define ntoh64(i)   U64_AT(&i)
 648 #endif
 649
 650 /* Format string sanity checks */
 651 #ifdef HAVE_ATTRIBUTE_FORMAT
 652 #   define ATTRIBUTE_FORMAT(x,y) __attribute__ ((format(printf,x,y)))
 653 #else
 654 #   define ATTRIBUTE_FORMAT(x,y)
 655 #endif
 656
 657 /* Alignment of critical static data structures */
 658 #ifdef ATTRIBUTE_ALIGNED_MAX
 659 #   define ATTR_ALIGN(align) __attribute__ ((__aligned__ ((ATTRIBUTE_ALIGNED_MAX < align) ? ATTRIBUTE_ALIGNED_MAX : align)))
 660 #else
 661 #   define ATTR_ALIGN(align)
 662 #endif
 663
 664 /* Alignment of critical dynamic data structure
 665  *
 666  * Not all platforms support memalign so we provide a vlc_memalign wrapper
 667  * void *vlc_memalign( size_t align, size_t size, void **pp_orig )
 668  * *pp_orig is the pointer that has to be freed afterwards.
 669  */
 670 #if 0
 671 #ifdef HAVE_POSIX_MEMALIGN
 672 #   define vlc_memalign(align,size,pp_orig) \
 673     ( !posix_memalign( pp_orig, align, size ) ? *(pp_orig) : NULL )
 674 #endif
 675 #endif
 676 #ifdef HAVE_MEMALIGN
 677     /* Some systems have memalign() but no declaration for it */
 678     void * memalign( size_t align, size_t size );
 679
 680 #   define vlc_memalign(pp_orig,align,size) \
 681     ( *(pp_orig) = memalign( align, size ) )
 682
 683 #else /* We don't have any choice but to align manually */
 684 #   define vlc_memalign(pp_orig,align,size) \
 685     (( *(pp_orig) = malloc( size + align - 1 )) \
 686         ? (void *)( (((unsigned long)*(pp_orig)) + (unsigned long)(align-1) ) \
 687                        & (~(unsigned long)(align-1)) ) \
 688         : NULL )
 689
 690 #endif
 691
 692 /* Stuff defined in src/extras/libc.c */
 693 #ifndef HAVE_STRDUP
 694 #   define strdup vlc_strdup
 695     VLC_EXPORT( char *, vlc_strdup, ( const char *s ) );
 696 #elif !defined(__PLUGIN__)
 697 #   define vlc_strdup NULL
 698 #endif
 699
 700 #if !defined(HAVE_VASPRINTF) || defined(SYS_DARWIN) || defined(SYS_BEOS)
 701 #   define vasprintf vlc_vasprintf
 702     VLC_EXPORT( int, vlc_vasprintf, (char **, const char *, va_list ) );
 703 #elif !defined(__PLUGIN__)
 704 #   define vlc_vasprintf NULL
 705 #endif
 706
 707 #if !defined(HAVE_ASPRINTF) || defined(SYS_DARWIN) || defined(SYS_BEOS)
 708 #   define asprintf vlc_asprintf
 709     VLC_EXPORT( int, vlc_asprintf, (char **, const char *, ... ) );
 710 #elif !defined(__PLUGIN__)
 711 #   define vlc_asprintf NULL
 712 #endif
 713
 714 #ifndef HAVE_STRNDUP
 715 #   if defined(STRNDUP_IN_GNOME_H) && \
 716         (defined(MODULE_NAME_IS_gnome)||defined(MODULE_NAME_IS_gnome_main)||\
 717          defined(MODULE_NAME_IS_gnome2)||defined(MODULE_NAME_IS_gnome2_main))
 718         /* Do nothing: gnome.h defines strndup for us */
 719 #   else
 720 #       define strndup vlc_strndup
 721         VLC_EXPORT( char *, vlc_strndup, ( const char *s, size_t n ) );
 722 #   endif
 723 #elif !defined(__PLUGIN__)
 724 #   define vlc_strndup NULL
 725 #endif
 726
 727 #ifndef HAVE_ATOF
 728 #   define atof vlc_atof
 729     VLC_EXPORT( double, vlc_atof, ( const char *nptr ) );
 730 #elif !defined(__PLUGIN__)
 731 #   define vlc_atof NULL
 732 #endif
 733
 734 #ifndef HAVE_ATOLL
 735 #   define atoll vlc_atoll
 736     VLC_EXPORT( int64_t, vlc_atoll, ( const char *nptr ) );
 737 #elif !defined(__PLUGIN__)
 738 #   define vlc_atoll NULL
 739 #endif
 740
 741 #ifndef HAVE_GETENV
 742 #   define getenv vlc_getenv
 743     VLC_EXPORT( char *, vlc_getenv, ( const char *name ) );
 744 #elif !defined(__PLUGIN__)
 745 #   define vlc_getenv NULL
 746 #endif
 747
 748 #ifndef HAVE_STRCASECMP
 749 #   ifndef HAVE_STRICMP
 750 #       define strcasecmp vlc_strcasecmp
 751         VLC_EXPORT( int, vlc_strcasecmp, ( const char *s1, const char *s2 ) );
 752 #   else
 753 #       define strcasecmp stricmp
 754 #       if !defined(__PLUGIN__)
 755 #           define vlc_strcasecmp NULL
 756 #       endif
 757 #   endif
 758 #elif !defined(__PLUGIN__)
 759 #   define vlc_strcasecmp NULL
 760 #endif
 761
 762 #ifndef HAVE_STRNCASECMP
 763 #   ifndef HAVE_STRNICMP
 764 #       define strncasecmp vlc_strncasecmp
 765         VLC_EXPORT( int, vlc_strncasecmp, ( const char *s1, const char *s2, size_t n ) );
 766 #   else
 767 #       define strncasecmp strnicmp
 768 #       if !defined(__PLUGIN__)
 769 #           define vlc_strncasecmp NULL
 770 #       endif
 771 #   endif
 772 #elif !defined(__PLUGIN__)
 773 #   define vlc_strncasecmp NULL
 774 #endif
 775
 776 #ifndef HAVE_STRCASESTR
 777 #   ifndef HAVE_STRISTR
 778 #       define strcasestr vlc_strcasestr
 779         VLC_EXPORT( char *, vlc_strcasestr, ( const char *s1, const char *s2 ) );
 780 #   else
 781 #       define strcasestr stristr
 782 #       if !defined(__PLUGIN__)
 783 #           define vlc_strcasestr NULL
 784 #       endif
 785 #   endif
 786 #elif !defined(__PLUGIN__)
 787 #   define vlc_strcasestr NULL
 788 #endif
 789
 790 /* Format type specifiers for 64 bits numbers */
 791 #if !defined(WIN32) && !defined(UNDER_CE)
 792 #   define I64Fd "%lld"
 793 #   define I64Fi "%lli"
 794 #   define I64Fo "%llo"
 795 #   define I64Fu "%llu"
 796 #   define I64Fx "%llx"
 797 #   define I64FX "%llX"
 798 #else
 799 #   define I64Fd "%I64d"
 800 #   define I64Fi "%I64i"
 801 #   define I64Fo "%I64o"
 802 #   define I64Fu "%I64u"
 803 #   define I64Fx "%I64x"
 804 #   define I64FX "%I64X"
 805 #endif /* defined(WIN32)||defined(UNDER_CE) */
 806
 807 /* 64 bits integer constant suffix */
 808 #if defined( __MINGW32__ ) || (!defined(WIN32) && !defined(UNDER_CE))
 809 #   define I64C(x)         x##LL
 810 #   define UI64C(x)        x##ULL
 811 #else
 812 #   define I64C(x)         x##i64
 813 #   define UI64C(x)        x##ui64
 814 #endif /* defined(WIN32)||defined(UNDER_CE) */
 815
 816 #if defined(WIN32) || defined(UNDER_CE)
 817 /* win32, cl and icl support */
 818 #   if defined( _MSC_VER ) || !defined( __MINGW32__ )
 819 #       define __attribute__(x)
 820 #       define __inline__      __inline
 821 #       define S_IFBLK         0x3000  /* Block */
 822 #       define S_ISBLK(m)      (0)
 823 #       define S_ISCHR(m)      (0)
 824 #       define S_ISFIFO(m)     (((m)&_S_IFMT) == _S_IFIFO)
 825 #       define S_ISREG(m)      (((m)&_S_IFMT) == _S_IFREG)
 826 #   endif
 827
 828 /* several type definitions */
 829 #   if defined( __MINGW32__ )
 830 #       if !defined( _OFF_T_ )
 831 typedef long long _off_t;
 832 typedef _off_t off_t;
 833 #           define _OFF_T_
 834 #       else
 835 #           ifdef off_t
 836 #               undef off_t
 837 #           endif
 838 #           define off_t long long
 839 #       endif
 840 #   endif
 841
 842 #   if defined( _MSC_VER )
 843 #       if !defined( _OFF_T_DEFINED )
 844 typedef __int64 off_t;
 845 #           define _OFF_T_DEFINED
 846 #       else
 847 #           define off_t __int64
 848 #       endif
 849 #   endif
 850
 851 #   if defined( __BORLANDC__ )
 852 #       undef off_t
 853 #       define off_t unsigned __int64
 854 #   endif
 855
 856 #   ifndef O_NONBLOCK
 857 #       define O_NONBLOCK 0
 858 #   endif
 859
 860 #   ifndef alloca
 861 #       define alloca _alloca
 862 #   endif
 863
 864     /* These two are not defined in mingw32 (bug?) */
 865 #   ifndef snprintf
 866 #       define snprintf _snprintf
 867 #   endif
 868 #   ifndef vsnprintf
 869 #       define vsnprintf _vsnprintf
 870 #   endif
 871
 872 #endif
 873
 874 /* lseek (defined in src/extras/libc.c) */
 875 #ifndef HAVE_LSEEK
 876 #   define lseek vlc_lseek
 877     VLC_EXPORT( off_t, vlc_lseek, ( int fildes, off_t offset, int whence ) );
 878 #elif !defined(__PLUGIN__)
 879 #   define vlc_lseek NULL
 880 #endif
 881
 882 /* vlc_wraptext (defined in src/extras/libc.c) */
 883 #define wraptext vlc_wraptext
 884 VLC_EXPORT( char *, vlc_wraptext, ( const char *, int, vlc_bool_t ) );
 885
 886 /*****************************************************************************
 887  * CPU capabilities
 888  *****************************************************************************/
 889 #define CPU_CAPABILITY_NONE    0
 890 #define CPU_CAPABILITY_486     (1<<0)
 891 #define CPU_CAPABILITY_586     (1<<1)
 892 #define CPU_CAPABILITY_PPRO    (1<<2)
 893 #define CPU_CAPABILITY_MMX     (1<<3)
 894 #define CPU_CAPABILITY_3DNOW   (1<<4)
 895 #define CPU_CAPABILITY_MMXEXT  (1<<5)
 896 #define CPU_CAPABILITY_SSE     (1<<6)
 897 #define CPU_CAPABILITY_SSE2    (1<<7)
 898 #define CPU_CAPABILITY_ALTIVEC (1<<16)
 899 #define CPU_CAPABILITY_FPU     (1<<31)
 900
 901 /*****************************************************************************
 902  * I18n stuff
 903  *****************************************************************************/
 904 VLC_EXPORT( char *, vlc_dgettext, ( const char *package, const char *msgid ) );
 905
 906 #if defined( ENABLE_NLS ) && \
 907      (defined(MODULE_NAME_IS_gnome)||defined(MODULE_NAME_IS_gnome_main)||\
 908       defined(MODULE_NAME_IS_gnome2)||defined(MODULE_NAME_IS_gnome2_main)||\
 909       defined(MODULE_NAME_IS_pda))
 910     /* Declare nothing: gnome.h will do it for us */
 911 #elif defined( ENABLE_NLS )
 912 #if defined( HAVE_INCLUDED_GETTEXT )
 913 #   include "libintl.h"
 914 #else
 915 #   include <libintl.h>
 916 #endif
 917 #   undef _
 918 #if defined( __BORLANDC__ )
 919 #define _(String) vlc_dgettext (PACKAGE_TARNAME, String)
 920 #else
 921 #   define _(String) vlc_dgettext (PACKAGE, String)
 922 #endif
 923 #   define N_(String) ((char*)(String))
 924 #else
 925 #   define _(String) ((char*)(String))
 926 #   define N_(String) ((char*)(String))
 927 #endif
 928
 929 /*****************************************************************************
 930  * Additional vlc stuff
 931  *****************************************************************************/
 932 #include "vlc_symbols.h"
 933 #include "os_specific.h"
 934 #include "vlc_messages.h"
 935 #include "variables.h"
 936 #include "vlc_objects.h"
 937 #include "vlc_threads_funcs.h"
 938 #include "mtime.h"
 939 #include "modules.h"
 940 #include "main.h"
 941 #include "configuration.h"
 942
 943 #if defined( __BORLANDC__ )
 944 #   undef PACKAGE
 945 #   define PACKAGE
 946 #endif
 947